From 1c93fca14d9ce37499bcfdf994c660186a0b6f17 Mon Sep 17 00:00:00 2001
From: tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Thu, 14 Apr 2011 20:16:30 +0000
Subject: Enable kdepim compilation under Qt4 This will likely break Qt3
 compilation temporarily, which is an unintended side effect. A third and
 final kdepim commit will repair Qt3 compilation shortly.

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1227946 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kmail/CMakeLists.txt                  |   1 +
 kmail/accountdialog.cpp               |  24 +--
 kmail/accountmanager.cpp              |   6 +-
 kmail/accountwizard.cpp               |  10 +-
 kmail/actionscheduler.cpp             |  24 +--
 kmail/antispamconfig.cpp              |   2 +-
 kmail/antispamwizard.cpp              |  10 +-
 kmail/archivefolderdialog.cpp         |   4 +-
 kmail/backupjob.cpp                   |  26 +--
 kmail/bodypartformatterfactory.cpp    |  12 +-
 kmail/cachedimapjob.cpp               |  22 +--
 kmail/callback.cpp                    |  12 +-
 kmail/chiasmuskeyselector.cpp         |   2 +-
 kmail/compactionjob.cpp               |  10 +-
 kmail/configuredialog.cpp             |  38 ++---
 kmail/configuredialog_p.cpp           |  12 +-
 kmail/csshelper.cpp                   |   2 +-
 kmail/customtemplates.cpp             |   2 +-
 kmail/distributionlistdialog.cpp      |   2 +-
 kmail/expirejob.cpp                   |  18 +-
 kmail/favoritefolderview.cpp          |   6 +-
 kmail/filehtmlwriter.cpp              |   2 +-
 kmail/filterlogdlg.cpp                |   2 +-
 kmail/folderdiaacltab.cpp             |   8 +-
 kmail/folderdiaquotatab.cpp           |   6 +-
 kmail/folderpropertiesdialog.ui       |  12 +-
 kmail/folderrequester.cpp             |   4 +-
 kmail/foldershortcutdialog.cpp        |   2 +-
 kmail/folderstorage.cpp               |   4 +-
 kmail/foldertreebase.cpp              |   6 +-
 kmail/folderutil.cpp                  |   2 +-
 kmail/folderviewtooltip.h             |  10 +-
 kmail/headeritem.cpp                  |   2 +-
 kmail/headerlistquicksearch.cpp       |   6 +-
 kmail/headerstyle.cpp                 | 114 ++++++-------
 kmail/identitydialog.cpp              |  16 +-
 kmail/identitylistview.cpp            |   2 +-
 kmail/imapaccountbase.cpp             |  28 ++--
 kmail/imapjob.cpp                     |   8 +-
 kmail/importjob.cpp                   |  20 +--
 kmail/index.cpp                       |   8 +-
 kmail/interfaces/bodypart.h           |   3 +-
 kmail/keyresolver.cpp                 |  34 ++--
 kmail/kmaccount.cpp                   |   8 +-
 kmail/kmacctimap.cpp                  |  20 +--
 kmail/kmacctlocal.cpp                 |  16 +-
 kmail/kmacctmaildir.cpp               |  12 +-
 kmail/kmail.kcfg                      |   8 +-
 kmail/kmail_part.cpp                  |   4 +-
 kmail/kmailicalifaceimpl.cpp          |  26 +--
 kmail/kmcommands.cpp                  |  46 ++---
 kmail/kmcomposewin.cpp                | 274 +++++++++++++++---------------
 kmail/kmedit.cpp                      |  22 +--
 kmail/kmfilter.cpp                    |  10 +-
 kmail/kmfilteraction.cpp              |  50 +++---
 kmail/kmfilterdlg.cpp                 |  14 +-
 kmail/kmfolder.cpp                    |   6 +-
 kmail/kmfoldercachedimap.cpp          |  46 ++---
 kmail/kmfoldercombobox.cpp            |   4 +-
 kmail/kmfolderdir.cpp                 |   6 +-
 kmail/kmfolderimap.cpp                |  12 +-
 kmail/kmfolderindex.cpp               |   4 +-
 kmail/kmfoldermaildir.cpp             |  20 +--
 kmail/kmfoldermbox.cpp                |  18 +-
 kmail/kmfoldermgr.cpp                 |   8 +-
 kmail/kmfoldersearch.cpp              |   4 +-
 kmail/kmfoldertree.cpp                |  24 +--
 kmail/kmheaders.cpp                   |  44 ++---
 kmail/kmkernel.cpp                    |  44 ++---
 kmail/kmlineeditspell.cpp             |   2 +-
 kmail/kmmainwidget.cpp                | 306 +++++++++++++++++-----------------
 kmail/kmmainwin.cpp                   |  12 +-
 kmail/kmmessage.cpp                   |  56 +++----
 kmail/kmmimeparttree.cpp              |   8 +-
 kmail/kmmsgbase.cpp                   |  30 ++--
 kmail/kmmsginfo.cpp                   |   2 +-
 kmail/kmmsgpartdlg.cpp                |  12 +-
 kmail/kmpopfiltercnfrmdlg.cpp         |   4 +-
 kmail/kmreadermainwin.cpp             |  30 ++--
 kmail/kmreaderwin.cpp                 | 200 +++++++++++-----------
 kmail/kmsearchpatternedit.cpp         |   8 +-
 kmail/kmsender.cpp                    |  30 ++--
 kmail/kmservertest.cpp                |   2 +-
 kmail/kmstartup.cpp                   |  16 +-
 kmail/kmsystemtray.cpp                |   6 +-
 kmail/kmtransport.cpp                 |  10 +-
 kmail/listjob.cpp                     |   4 +-
 kmail/mailinglistpropertiesdialog.cpp |  20 +--
 kmail/mailserviceimpl.h               |   5 +-
 kmail/managesievescriptsdialog.cpp    |   2 +-
 kmail/messagecomposer.cpp             |   8 +-
 kmail/networkaccount.cpp              |   2 +-
 kmail/newfolderdialog.cpp             |   6 +-
 kmail/objecttreeparser.cpp            | 114 ++++++-------
 kmail/partNode.cpp                    |   8 +-
 kmail/partnodebodypart.cpp            |   4 +-
 kmail/popaccount.cpp                  |  26 +--
 kmail/quotajobs.h                     |   4 +-
 kmail/recipientseditor.cpp            |   4 +-
 kmail/recipientspicker.cpp            |   4 +-
 kmail/regexplineedit.cpp              |   2 +-
 kmail/rulewidgethandlermanager.cpp    |  54 +++---
 kmail/searchjob.cpp                   |   4 +-
 kmail/searchwindow.cpp                |  88 +++++-----
 kmail/sievedebugdialog.cpp            |   8 +-
 kmail/snippetwidget.cpp               |  40 ++---
 kmail/subscriptiondialog.cpp          |   2 +-
 kmail/templateparser.cpp              |  26 +--
 kmail/templatesconfiguration.cpp      |  12 +-
 kmail/templatesinsertcommand.cpp      |   4 +-
 kmail/urlhandlermanager.cpp           |  10 +-
 kmail/util.cpp                        |  10 +-
 kmail/util.h                          |   2 +-
 kmail/vacation.cpp                    |   6 +-
 kmail/vacationdialog.cpp              |   2 +-
 kmail/xfaceconfigurator.cpp           |   2 +-
 116 files changed, 1256 insertions(+), 1255 deletions(-)

(limited to 'kmail')

diff --git a/kmail/CMakeLists.txt b/kmail/CMakeLists.txt
index 0dddc98c..c2edd238 100644
--- a/kmail/CMakeLists.txt
+++ b/kmail/CMakeLists.txt
@@ -227,6 +227,7 @@ tde_add_kpart( libkmailpart AUTOMOC
 
 tde_add_kpart( libkmail_bodypartformatter_application_octetstream
   SOURCES app_octetstream.cpp
+  LINK ${TQT_LIBRARIES}
   DESTINATION ${PLUGIN_INSTALL_DIR}
 )
 
diff --git a/kmail/accountdialog.cpp b/kmail/accountdialog.cpp
index 4dab221b..2782bfa9 100644
--- a/kmail/accountdialog.cpp
+++ b/kmail/accountdialog.cpp
@@ -181,7 +181,7 @@ void
 ProcmailRCParser::processLocalLock(const TQString &s)
 {
   TQString val;
-  int colonPos = s.findRev(':');
+  int colonPos = s.tqfindRev(':');
 
   if (colonPos > 0) { // we don't care about the leading one
     val = s.mid(colonPos + 1).stripWhiteSpace();
@@ -357,7 +357,7 @@ void AccountDialog::makeLocalAccountPage()
   topLayout->addWidget( choose, 3, 2 );
 
   TQButtonGroup *group = new TQButtonGroup(i18n("Locking Method"), page );
-  group->setColumnLayout(0, TQt::Horizontal);
+  group->setColumnLayout(0, Qt::Horizontal);
   group->tqlayout()->setSpacing( 0 );
   group->tqlayout()->setMargin( 0 );
   TQGridLayout *groupLayout = new TQGridLayout( group->tqlayout() );
@@ -618,7 +618,7 @@ void AccountDialog::makePopAccountPage()
   label = new TQLabel( i18n("&Port:"), page1 );
   grid->addWidget( label, 4, 0 );
   mPop.portEdit = new KLineEdit( page1 );
-  mPop.portEdit->setValidator( new TQIntValidator(this) );
+  mPop.portEdit->setValidator( new TQIntValidator(TQT_TQOBJECT(this)) );
   label->setBuddy( mPop.portEdit );
   grid->addWidget( mPop.portEdit, 4, 1 );
 
@@ -778,7 +778,7 @@ void AccountDialog::makePopAccountPage()
 
   vlay->addSpacing( KDialog::spacingHint() );
 
-  mPop.encryptionGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mPop.encryptionGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Encryption"), page2 );
   mPop.encryptionNone =
     new TQRadioButton( i18n("&None"), mPop.encryptionGroup );
@@ -792,7 +792,7 @@ void AccountDialog::makePopAccountPage()
     TQT_SLOT(slotPopEncryptionChanged(int)));
   vlay->addWidget( mPop.encryptionGroup );
 
-  mPop.authGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mPop.authGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Authentication Method"), page2 );
   mPop.authUser = new TQRadioButton( i18n("Clear te&xt") , mPop.authGroup,
                                     "auth clear text" );
@@ -891,7 +891,7 @@ void AccountDialog::makeImapAccountPage( bool connected )
   label = new TQLabel( i18n("&Port:"), page1 );
   grid->addWidget( label, row, 0 );
   mImap.portEdit = new KLineEdit( page1 );
-  mImap.portEdit->setValidator( new TQIntValidator(this) );
+  mImap.portEdit->setValidator( new TQIntValidator(TQT_TQOBJECT(this)) );
   label->setBuddy( mImap.portEdit );
   grid->addWidget( mImap.portEdit, row, 1 );
 
@@ -1093,7 +1093,7 @@ void AccountDialog::makeImapAccountPage( bool connected )
 
   vlay->addSpacing( KDialog::spacingHint() );
 
-  mImap.encryptionGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mImap.encryptionGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Encryption"), page2 );
   mImap.encryptionNone =
     new TQRadioButton( i18n("&None"), mImap.encryptionGroup );
@@ -1107,7 +1107,7 @@ void AccountDialog::makeImapAccountPage( bool connected )
     TQT_SLOT(slotImapEncryptionChanged(int)));
   vlay->addWidget( mImap.encryptionGroup );
 
-  mImap.authGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mImap.authGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Authentication Method"), page2 );
   mImap.authUser = new TQRadioButton( i18n("Clear te&xt"), mImap.authGroup );
   mImap.authLogin = new TQRadioButton( i18n("Please translate this "
@@ -1191,7 +1191,7 @@ void AccountDialog::setupSettings()
     mPop.loginEdit->setText( ap.login() );
     mPop.passwordEdit->setText( ap.passwd());
     mPop.hostEdit->setText( ap.host() );
-    mPop.portEdit->setText( TQString("%1").arg( ap.port() ) );
+    mPop.portEdit->setText( TQString("%1").tqarg( ap.port() ) );
     mPop.usePipeliningCheck->setChecked( ap.usePipelining() );
     mPop.storePasswordCheck->setChecked( ap.storePasswd() );
     mPop.leaveOnServerCheck->setChecked( ap.leaveOnServer() );
@@ -1256,7 +1256,7 @@ void AccountDialog::setupSettings()
     mImap.loginEdit->setText( ai.login() );
     mImap.passwordEdit->setText( ai.passwd());
     mImap.hostEdit->setText( ai.host() );
-    mImap.portEdit->setText( TQString("%1").arg( ai.port() ) );
+    mImap.portEdit->setText( TQString("%1").tqarg( ai.port() ) );
     mImap.autoExpungeCheck->setChecked( ai.autoExpunge() );
     mImap.hiddenFoldersCheck->setChecked( ai.hiddenFolders() );
     mImap.subscribedFoldersCheck->setChecked( ai.onlySubscribedFolders() );
@@ -1309,7 +1309,7 @@ void AccountDialog::setupSettings()
     mImap.loginEdit->setText( ai.login() );
     mImap.passwordEdit->setText( ai.passwd());
     mImap.hostEdit->setText( ai.host() );
-    mImap.portEdit->setText( TQString("%1").arg( ai.port() ) );
+    mImap.portEdit->setText( TQString("%1").tqarg( ai.port() ) );
 #if 0
     mImap.resourceCheck->setChecked( ai.resource() );
 #endif
@@ -2293,7 +2293,7 @@ NamespaceEditDialog::NamespaceEditDialog( TQWidget *tqparent,
   } else {
     ns = i18n("Shared");
   }
-  setCaption( i18n("Edit Namespace '%1'").arg(ns) );
+  setCaption( i18n("Edit Namespace '%1'").tqarg(ns) );
   TQGrid* grid = new TQGrid( 2, page );
 
   mBg = new TQButtonGroup( 0 );
diff --git a/kmail/accountmanager.cpp b/kmail/accountmanager.cpp
index d62280fd..40d95b29 100644
--- a/kmail/accountmanager.cpp
+++ b/kmail/accountmanager.cpp
@@ -100,7 +100,7 @@ void AccountManager::readConfig(void)
       acctType = "pop";
     acctName = config->readEntry("Name");
     id = config->readUnsignedNumEntry("Id", 0);
-    if (acctName.isEmpty()) acctName = i18n("Account %1").arg(i);
+    if (acctName.isEmpty()) acctName = i18n("Account %1").tqarg(i);
     acct = create(acctType, acctName, id);
     if (!acct) continue;
     add(acct);
@@ -183,7 +183,7 @@ void AccountManager::processNextCheck( bool _newMail )
     TQString tmp = i18n("Account %1 has no mailbox defined:\n"
         "mail checking aborted;\n"
         "check your account settings.")
-      .arg(curAccount->name());
+      .tqarg(curAccount->name());
     KMessageBox::information(0,tmp);
     emit checkedMail( false, mInteractive, mTotalNewInFolder );
     mTotalNewMailsArrived = 0;
@@ -223,7 +223,7 @@ void AccountManager::processNextCheck( bool _newMail )
                 this, TQT_SLOT( processNextCheck( bool ) ) );
 
   KPIM::BroadcastqStatus::instance()->seStatusMsg(
-      i18n("Checking account %1 for new mail").arg(curAccount->name()));
+      i18n("Checking account %1 for new mail").tqarg(curAccount->name()));
 
   kdDebug(5006) << "processing next mail check for " << curAccount->name() << endl;
 
diff --git a/kmail/accountwizard.cpp b/kmail/accountwizard.cpp
index e4e8b833..0ae07d6c 100644
--- a/kmail/accountwizard.cpp
+++ b/kmail/accountwizard.cpp
@@ -516,7 +516,7 @@ void AccountWizard::checkPopCapabilities( const TQString &server, int port )
   connect( mServerTest, TQT_SIGNAL( capabilities( const TQStringList&, const TQStringList& ) ),
            this, TQT_SLOT( popCapabilities( const TQStringList&, const TQStringList& ) ) );
 
-  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).arg( server ) );
+  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).tqarg( server ) );
 }
 
 void AccountWizard::checkImapCapabilities( const TQString &server, int port )
@@ -527,7 +527,7 @@ void AccountWizard::checkImapCapabilities( const TQString &server, int port )
   connect( mServerTest, TQT_SIGNAL( capabilities( const TQStringList&, const TQStringList& ) ),
            this, TQT_SLOT( imapCapabilities( const TQStringList&, const TQStringList& ) ) );
 
-  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).arg( server ) );
+  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).tqarg( server ) );
 }
 
 void AccountWizard::checkSmtpCapabilities( const TQString &server, int port )
@@ -540,7 +540,7 @@ void AccountWizard::checkSmtpCapabilities( const TQString &server, int port )
            this, TQT_SLOT( smtpCapabilities( const TQStringList&, const TQStringList&,
                                          const TQString&, const TQString&, const TQString& ) ) );
 
-  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).arg( server ) );
+  mAuthInfoLabel = createInfoLabel( i18n( "Check for supported security capabilities of %1..." ).tqarg( server ) );
 }
 
 void AccountWizard::popCapabilities( const TQStringList &capaNormalList,
@@ -652,7 +652,7 @@ void AccountWizard::smtpCapabilities( const TQStringList &capaNormal,
   if ( authNone.isEmpty() && authSSL.isEmpty() && authTLS.isEmpty() ) {
     // slave doesn't seem to support "* AUTH METHODS" metadata (or server can't do AUTH)
     authBitsNone = authMethodsFromStringList( capaNormal );
-    if ( capaNormal.findIndex( "STARTTLS" ) != -1 )
+    if ( capaNormal.tqfindIndex( "STARTTLS" ) != -1 )
       authBitsTLS = authBitsNone;
     else
       authBitsTLS = 0;
@@ -664,7 +664,7 @@ void AccountWizard::smtpCapabilities( const TQStringList &capaNormal,
   }
 
   uint authBits = 0;
-  if ( capaNormal.findIndex( "STARTTLS" ) != -1 ) {
+  if ( capaNormal.tqfindIndex( "STARTTLS" ) != -1 ) {
     mTransportInfo->encryption = "TLS";
     authBits = authBitsTLS;
   } else if ( !capaSSL.isEmpty() ) {
diff --git a/kmail/actionscheduler.cpp b/kmail/actionscheduler.cpp
index 77685ee4..3d1c8688 100644
--- a/kmail/actionscheduler.cpp
+++ b/kmail/actionscheduler.cpp
@@ -625,7 +625,7 @@ void ActionScheduler::actionMessage(KMFilterAction::ReturnCode res)
     if (msg) {
       if ( FilterLog::instance()->isLogging() ) {
         TQString logText( i18n( "<b>Applying filter action:</b> %1" )
-                        .arg( mFilterAction->displayString() ) );
+                        .tqarg( mFilterAction->displayString() ) );
         FilterLog::instance()->add( logText, FilterLog::appliedAction );
       }
       KMFilterAction *action = mFilterAction;
@@ -786,19 +786,19 @@ TQString ActionScheduler::debug()
     TQValueList<ActionScheduler*>::iterator it;
     int i = 1;
     for ( it = schedulerList->begin(); it != schedulerList->end(); ++it ) {
-	res.append( TQString( "ActionScheduler #%1.\n" ).arg( i ) );
-	if ((*it)->mAccount && kmkernel->tqfind( (*it)->mAccountId )) {
+	res.append( TQString( "ActionScheduler #%1.\n" ).tqarg( i ) );
+	if ((*it)->mAccount && kmkernel->find( (*it)->mAccountId )) {
 	    res.append( TQString( "Account %1, Name %2.\n" )
-			.arg( (*it)->mAccountId )
-			.arg( kmkernel->acctMgr()->tqfind( (*it)->mAccountId )->name() ) );
+			.tqarg( (*it)->mAccountId )
+			.tqarg( kmkernel->acctMgr()->tqfind( (*it)->mAccountId )->name() ) );
 	}
-	res.append( TQString( "mExecuting %1, " ).arg( (*it)->mExecuting ? "true" : "false" ) );
-	res.append( TQString( "mExecutingLock %1, " ).arg( (*it)->mExecutingLock ? "true" : "false" ) );
-	res.append( TQString( "mFetchExecuting %1.\n" ).arg( (*it)->mFetchExecuting ? "true" : "false" ) );
-	res.append( TQString( "mOriginalSerNum %1.\n" ).arg( (*it)->mOriginalSerNum ) );
-	res.append( TQString( "mMessageIt %1.\n" ).arg( ((*it)->mMessageIt != 0) ? *(*it)->mMessageIt : 0 ) );
-	res.append( TQString( "mSerNums count %1, " ).arg( (*it)->mSerNums.count() ) );
-	res.append( TQString( "mFetchSerNums count %1.\n" ).arg( (*it)->mFetchSerNums.count() ) );
+	res.append( TQString( "mExecuting %1, " ).tqarg( (*it)->mExecuting ? "true" : "false" ) );
+	res.append( TQString( "mExecutingLock %1, " ).tqarg( (*it)->mExecutingLock ? "true" : "false" ) );
+	res.append( TQString( "mFetchExecuting %1.\n" ).tqarg( (*it)->mFetchExecuting ? "true" : "false" ) );
+	res.append( TQString( "mOriginalSerNum %1.\n" ).tqarg( (*it)->mOriginalSerNum ) );
+	res.append( TQString( "mMessageIt %1.\n" ).tqarg( ((*it)->mMessageIt != 0) ? *(*it)->mMessageIt : 0 ) );
+	res.append( TQString( "mSerNums count %1, " ).tqarg( (*it)->mSerNums.count() ) );
+	res.append( TQString( "mFetchSerNums count %1.\n" ).tqarg( (*it)->mFetchSerNums.count() ) );
 	res.append( TQString( "mResult " ) );
 	if ((*it)->mResult == ResultOk)
 	    res.append( TQString( "ResultOk.\n" ) );
diff --git a/kmail/antispamconfig.cpp b/kmail/antispamconfig.cpp
index 384752c2..19198e11 100644
--- a/kmail/antispamconfig.cpp
+++ b/kmail/antispamconfig.cpp
@@ -59,7 +59,7 @@ void AntiSpamConfig::readConfig()
   KConfigGroup general( &config, "General" );
   unsigned int totalTools = general.readUnsignedNumEntry( "tools", 0 );
   for ( unsigned int i = 1; i <= totalTools; ++i ) {
-    KConfigGroup tool( &config, TQString("Spamtool #%1").arg( i ) );
+    KConfigGroup tool( &config, TQString("Spamtool #%1").tqarg( i ) );
     if ( tool.hasKey( "ScoreHeader" ) ) {
       TQString name      = tool.readEntry( "ScoreName" );
       TQCString header   = tool.readEntry( "ScoreHeader" ).latin1();
diff --git a/kmail/antispamwizard.cpp b/kmail/antispamwizard.cpp
index af32ec48..1e5e912b 100644
--- a/kmail/antispamwizard.cpp
+++ b/kmail/antispamwizard.cpp
@@ -495,7 +495,7 @@ void AntiSpamWizard::checkToolAvailability()
   bool found = false;
   for ( TQValueListIterator<SpamToolConfig> it = mToolList.begin();
         it != mToolList.end(); ++it ) {
-    TQString text( i18n("Scanning for %1...").arg( (*it).getId() ) );
+    TQString text( i18n("Scanning for %1...").tqarg( (*it).getId() ) );
     mInfoPage->setScanProgressText( text );
     if ( (*it).isSpamTool() && (*it).isServerBased() ) {
       // check the configured account for pattern in <server>
@@ -517,7 +517,7 @@ void AntiSpamWizard::checkToolAvailability()
     }
     else {
       // check the availability of the application
-      KApplication::kApplication()->processEvents( 200 );
+      KApplication::kApplication()->tqprocessEvents( 200 );
       if ( !checkForProgram( (*it).getExecutable() ) ) {
         mInfoPage->addAvailableTool( (*it).getVisibleName() );
         found = true;
@@ -702,7 +702,7 @@ void AntiSpamWizard::ConfigReader::readAndMergeConfig()
   int registeredTools = general.readNumEntry( "tools", 0 );
   for (int i = 1; i <= registeredTools; i++)
   {
-    KConfigGroup toolConfig( mConfig, groupName.arg( i ) );
+    KConfigGroup toolConfig( mConfig, groupName.tqarg( i ) );
     if( !toolConfig.readBoolEntry( "HeadersOnly", false ) )
       mToolList.append( readToolConfig( toolConfig ) );
   }
@@ -714,7 +714,7 @@ void AntiSpamWizard::ConfigReader::readAndMergeConfig()
   int user_registeredTools = user_general.readNumEntry( "tools", 0 );
   for (int i = 1; i <= user_registeredTools; i++)
   {
-    KConfigGroup toolConfig( mConfig, groupName.arg( i ) );
+    KConfigGroup toolConfig( mConfig, groupName.tqarg( i ) );
     if( !toolConfig.readBoolEntry( "HeadersOnly", false ) )
       mergeToolConfig( readToolConfig( toolConfig ) );
   }
@@ -925,7 +925,7 @@ void ASWizInfoPage::addAvailableTool( const TQString &visibleName )
 bool ASWizInfoPage::isProgramSelected( const TQString &visibleName )
 {
   TQString listName = visibleName;
-  return mToolsList->isSelected( mToolsList->findItem( listName ) );
+  return mToolsList->isSelected( mToolsList->tqfindItem( listName ) );
 }
 
 
diff --git a/kmail/archivefolderdialog.cpp b/kmail/archivefolderdialog.cpp
index ca10bd44..b1422f47 100644
--- a/kmail/archivefolderdialog.cpp
+++ b/kmail/archivefolderdialog.cpp
@@ -46,7 +46,7 @@ static TQString standardArchivePath( const TQString &folderName )
   }
   return currentPath +
     i18n( "Start of the filename for a mail archive file" , "Archive" ) + "_" + folderName +
-    "_" + TQDate::tqcurrentDate().toString( TQt::ISODate ) + ".tar.bz2";
+    "_" + TQDate::tqcurrentDate().toString( Qt::ISODate ) + ".tar.bz2";
 }
 
 ArchiveFolderDialog::ArchiveFolderDialog( TQWidget *tqparent )
@@ -194,7 +194,7 @@ void ArchiveFolderDialog::slotFixFileExtension()
 
   // First, try to find the extension of the file name and remove it
   for( int i = 0; i < numExtensions; i++ ) {
-    int index = fileName.lower().findRev( sortedExtensions[i] );
+    int index = fileName.lower().tqfindRev( sortedExtensions[i] );
     if ( index != -1 ) {
       fileName = fileName.left( fileName.length() - TQString( sortedExtensions[i] ).length() );
       break;
diff --git a/kmail/backupjob.cpp b/kmail/backupjob.cpp
index 3953f3bc..e3a2ac0d 100644
--- a/kmail/backupjob.cpp
+++ b/kmail/backupjob.cpp
@@ -148,7 +148,7 @@ void BackupJob::abort( const TQString &errorMessage )
     // The progressmanager will delete it
   }
 
-  TQString text = i18n( "Failed to archive the folder '%1'." ).arg( mRootFolder->name() );
+  TQString text = i18n( "Failed to archive the folder '%1'." ).tqarg( mRootFolder->name() );
   text += "\n" + errorMessage;
   KMessageBox::sorry( mParentWidget, text, i18n( "Archiving failed." ) );
   deleteLater();
@@ -172,12 +172,12 @@ void BackupJob::finish()
   TQFileInfo archiveFileInfo( mMailArchivePath.path() );
   TQString text = i18n( "Archiving folder '%1' successfully completed. "
                        "The archive was written to the file '%2'." )
-                   .arg( mRootFolder->name() ).arg( mMailArchivePath.path() );
+                   .tqarg( mRootFolder->name() ).tqarg( mMailArchivePath.path() );
   text += "\n" + i18n( "1 message of size %1 was archived.",
                        "%n messages with the total size of %1 were archived.", mArchivedMessages )
-                   .arg( KIO::convertSize( mArchivedSize ) );
+                   .tqarg( KIO::convertSize( mArchivedSize ) );
   text += "\n" + i18n( "The archive file has a size of %1." )
-                   .arg( KIO::convertSize( archiveFileInfo.size() ) );
+                   .tqarg( KIO::convertSize( archiveFileInfo.size() ) );
   KMessageBox::information( mParentWidget, text, i18n( "Archiving finished." ) );
 
   if ( mDeleteFoldersAfterCompletion ) {
@@ -213,7 +213,7 @@ void BackupJob::archiveNextMessage()
   KMMsgDict::instance()->getLocation( serNum, &folder, &mMessageIndex );
   if ( mMessageIndex == -1 ) {
     kdWarning(5006) << "Failed to get message location for sernum " << serNum << endl;
-    abort( i18n( "Unable to retrieve a message for folder '%1'." ).arg( mCurrentFolder->name() ) );
+    abort( i18n( "Unable to retrieve a message for folder '%1'." ).tqarg( mCurrentFolder->name() ) );
     return;
   }
 
@@ -223,7 +223,7 @@ void BackupJob::archiveNextMessage()
   KMMessage *message = mCurrentFolder->getMsg( mMessageIndex );
   if ( !message ) {
     kdWarning(5006) << "Failed to retrieve message with index " << mMessageIndex << endl;
-    abort( i18n( "Unable to retrieve a message for folder '%1'." ).arg( mCurrentFolder->name() ) );
+    abort( i18n( "Unable to retrieve a message for folder '%1'." ).tqarg( mCurrentFolder->name() ) );
     return;
   }
 
@@ -249,7 +249,7 @@ void BackupJob::archiveNextMessage()
     kdWarning(5006) << "Message with subject " << mCurrentMessage->subject()
                     << " is neither complete nor has a tqparent!" << endl;
     abort( i18n( "Internal error while trying to retrieve a message from folder '%1'." )
-              .arg( mCurrentFolder->name() ) );
+              .tqarg( mCurrentFolder->name() ) );
   }
 
   mProgressItem->setProgress( ( mProgressItem->progress() + 5 ) );
@@ -318,7 +318,7 @@ void BackupJob::processCurrentMessage()
 
     if ( !mArchive->writeFile( fileName, user, group, messageSize, permissions, accessTime,
                                modificationTime, creationTime, messageString ) ) {
-      abort( i18n( "Failed to write a message into the archive folder '%1'." ).arg( mCurrentFolder->name() ) );
+      abort( i18n( "Failed to write a message into the archive folder '%1'." ).tqarg( mCurrentFolder->name() ) );
       return;
     }
 
@@ -357,7 +357,7 @@ void BackupJob::folderJobFinished( KMail::FolderJob *job )
 
   if ( job->error() ) {
     if ( mCurrentFolder )
-      abort( i18n( "Downloading a message in folder '%1' failed." ).arg( mCurrentFolder->name() ) );
+      abort( i18n( "Downloading a message in folder '%1' failed." ).tqarg( mCurrentFolder->name() ) );
     else
       abort( i18n( "Downloading a message in the current folder failed." ) );
   }
@@ -388,9 +388,9 @@ void BackupJob::archiveNextFolder()
 
   mCurrentFolder = mPendingFolders.take( 0 );
   kdDebug(5006) << "===> Archiving next folder: " << mCurrentFolder->name() << endl;
-  mProgressItem->setqStatus( i18n( "Archiving folder %1" ).arg( mCurrentFolder->name() ) );
+  mProgressItem->setqStatus( i18n( "Archiving folder %1" ).tqarg( mCurrentFolder->name() ) );
   if ( mCurrentFolder->open( "BackupJob" ) != 0 ) {
-    abort( i18n( "Unable to open folder '%1'.").arg( mCurrentFolder->name() ) );
+    abort( i18n( "Unable to open folder '%1'.").tqarg( mCurrentFolder->name() ) );
     return;
   }
   mCurrentFolderOpen = true;
@@ -411,7 +411,7 @@ void BackupJob::archiveNextFolder()
     success = false;
   if ( !success ) {
     abort( i18n( "Unable to create folder structure for folder '%1' within archive file." )
-              .arg( mCurrentFolder->name() ) );
+              .tqarg( mCurrentFolder->name() ) );
     return;
   }
 
@@ -423,7 +423,7 @@ void BackupJob::archiveNextFolder()
                       << " at index " << i << "!" << endl;
       // TODO: handle error in a nicer way. this is _very_ bad
       abort( i18n( "Unable to backup messages in folder '%1', the index file is corrupted." )
-               .arg( mCurrentFolder->name() ) );
+               .tqarg( mCurrentFolder->name() ) );
       return;
     }
     else
diff --git a/kmail/bodypartformatterfactory.cpp b/kmail/bodypartformatterfactory.cpp
index f11690d5..5f6feea7 100644
--- a/kmail/bodypartformatterfactory.cpp
+++ b/kmail/bodypartformatterfactory.cpp
@@ -83,7 +83,7 @@ static void insertBodyPartFormatter( const char * type, const char * subtype,
   if ( !type || !*type || !subtype || !*subtype || !formatter || !all )
     return;
 
-  TypeRegistry::iterator type_it = all->tqfind( type );
+  TypeRegistry::iterator type_it = all->find( type );
   if ( type_it == all->end() ) {
     kdDebug( 5006 ) << "BodyPartFormatterFactory: instantiating new Subtype Registry for \""
 		    << type << "\"" << endl;
@@ -92,7 +92,7 @@ static void insertBodyPartFormatter( const char * type, const char * subtype,
   }
 
   SubtypeRegistry & subtype_reg = type_it->second;
-  SubtypeRegistry::iterator subtype_it = subtype_reg.tqfind( subtype );
+  SubtypeRegistry::iterator subtype_it = subtype_reg.find( subtype );
   if ( subtype_it != subtype_reg.end() ) {
     kdDebug( 5006 ) << "BodyPartFormatterFactory: overwriting previously registered formatter for \""
 		    << type << "/" << subtype << "\"" << endl;
@@ -159,9 +159,9 @@ const KMail::Interface::BodyPartFormatter * KMail::BodyPartFormatterFactory::cre
   if ( all->empty() )
     return 0;
 
-  TypeRegistry::const_iterator type_it = all->tqfind( type );
+  TypeRegistry::const_iterator type_it = all->find( type );
   if ( type_it == all->end() )
-    type_it = all->tqfind( "*" );
+    type_it = all->find( "*" );
   if ( type_it == all->end() )
     return 0;
 
@@ -169,9 +169,9 @@ const KMail::Interface::BodyPartFormatter * KMail::BodyPartFormatterFactory::cre
   if ( subtype_reg.empty() )
     return 0;
 
-  SubtypeRegistry::const_iterator subtype_it = subtype_reg.tqfind( subtype );
+  SubtypeRegistry::const_iterator subtype_it = subtype_reg.find( subtype );
   if ( subtype_it == subtype_reg.end() )
-    subtype_it = subtype_reg.tqfind( "*" );
+    subtype_it = subtype_reg.find( "*" );
   if ( subtype_it == subtype_reg.end() )
     return 0;
 
diff --git a/kmail/cachedimapjob.cpp b/kmail/cachedimapjob.cpp
index 2b9ab2a8..ca95344c 100644
--- a/kmail/cachedimapjob.cpp
+++ b/kmail/cachedimapjob.cpp
@@ -234,7 +234,7 @@ void CachedImapJob::slotDeleteNextMessages( KIO::Job* job )
 
   KURL url = mAccount->getUrl();
   url.setPath( mFolder->imapPath() +
-               TQString::tqfromLatin1(";UID=%1").arg(uids) );
+               TQString::tqfromLatin1(";UID=%1").tqarg(uids) );
 
   KIO::SimpleJob *simpleJob = KIO::file_delete( url, false );
   KIO::Scheduler::assignJobToSlave( mAccount->slave(), simpleJob );
@@ -341,7 +341,7 @@ void CachedImapJob::slotGetNextMessage(KIO::Job * job)
   if( mfd.flags > 0 )
     KMFolderImap::flagsTotqStatus(mMsg, mfd.flags, true, GlobalSettings::allowLocalFlags() ? mFolder->permanentFlags() : INT_MAX);
   KURL url = mAccount->getUrl();
-  url.setPath(mFolder->imapPath() + TQString(";UID=%1;SECTION=BODY.PEEK[]").arg(mfd.uid));
+  url.setPath(mFolder->imapPath() + TQString(";UID=%1;SECTION=BODY.PEEK[]").tqarg(mfd.uid));
 
   ImapAccountBase::jobData jd( url.url(), mFolder->folder() );
   jd.cancellable = true;
@@ -408,10 +408,10 @@ void CachedImapJob::slotPutNextMessage()
   unsigned int i = 0;
   for( char *ch = cstr.data(); *ch; ch++ ) {
     if ( *ch == '\n' ) {
-      mData.at(i) = '\r';
+      mData.tqat(i) = '\r';
       i++;
     }
-    mData.at(i) = *ch; i++;
+    mData.tqat(i) = *ch; i++;
   }
   jd.data = mData;
   jd.msgList.append( mMsg );
@@ -539,7 +539,7 @@ void CachedImapJob::slotAddNextSubfolder( KIO::Job * job )
 
     if ( job->error() && !silentUpload ) {
       TQString myError = "<p><b>" + i18n("Error while uploading folder")
-        + "</b></p><p>" + i18n("Could not make the folder <b>%1</b> on the server.").arg((*it).items[0])
+        + "</b></p><p>" + i18n("Could not make the folder <b>%1</b> on the server.").tqarg((*it).items[0])
         + "</p><p>" + i18n("This could be because you do not have permission to do this, or because the folder is already present on the server; the error message from the server communication is here:") + "</p>";
       mAccount->handleJobError( job, myError );
     }
@@ -597,8 +597,8 @@ void CachedImapJob::slotAddNextSubfolder( KIO::Job * job )
     TQDataStream stream( packedArgs, IO_WriteOnly );
 
     const TQString command = TQString( "X-CREATE-SPECIAL" );
-    const TQString argument = TQString( "%1 %2" ).arg( Scalix::Utils::contentsTypeToScalixId( folder->contentsType() ) )
-                                               .arg( path );
+    const TQString argument = TQString( "%1 %2" ).tqarg( Scalix::Utils::contentsTypeToScalixId( folder->contentsType() ) )
+                                               .tqarg( path );
 
     stream << (int) 'X' << 'N' << command << argument;
 
@@ -626,7 +626,7 @@ void CachedImapJob::slotDeleteNextFolder( KIO::Job *job )
     mAccount->removeDeletedFolder( (*it).path );
 
     if( job->error() ) {
-      mAccount->handleJobError( job, i18n( "Error while deleting folder %1 on the server: " ).arg( (*it).path ) + '\n' );
+      mAccount->handleJobError( job, i18n( "Error while deleting folder %1 on the server: " ).tqarg( (*it).path ) + '\n' );
       delete this;
       return;
     }
@@ -679,7 +679,7 @@ void CachedImapJob::slotCheckUidValidityResult(KIO::Job * job)
 
   if( job->error() ) {
     mErrorCode = job->error();
-    mAccount->handleJobError( job, i18n( "Error while reading folder %1 on the server: " ).arg( (*it).tqparent->label() ) + '\n' );
+    mAccount->handleJobError( job, i18n( "Error while reading folder %1 on the server: " ).tqarg( (*it).tqparent->label() ) + '\n' );
     delete this;
     return;
   }
@@ -813,7 +813,7 @@ void CachedImapJob::slotSubscribtionChange1Failed( const TQString &errorMessage
                                "from the folder list after the next sync since it is unsubscribed on the server.\n"
                                "You can try to manually subscribe to the folder yourself.\n\n"
                                "%2" )
-      .arg( mFolder->label() ).arg( errorMessage ) );
+      .tqarg( mFolder->label() ).tqarg( errorMessage ) );
   delete this;
 }
 
@@ -854,7 +854,7 @@ void CachedImapJob::slotRenameFolderResult( KIO::Job *job )
 
   if( job->error() ) {
     revertLabelChange();
-    const TQString errorMessage = i18n( "Error while trying to rename folder %1" ).arg( mFolder->label() );
+    const TQString errorMessage = i18n( "Error while trying to rename folder %1" ).tqarg( mFolder->label() );
     mAccount->handleJobError( job, errorMessage );
     delete this;
   } else {
diff --git a/kmail/callback.cpp b/kmail/callback.cpp
index 037f8090..923ff6be 100644
--- a/kmail/callback.cpp
+++ b/kmail/callback.cpp
@@ -64,7 +64,7 @@ TQString Callback::askForTransport( bool nullIdentity ) const
     return transports.first();
 
   const TQString defaultTransport = GlobalSettings::self()->defaultTransport();
-  const int defaultIndex = TQMAX( 0, transports.findIndex( defaultTransport ) );
+  const int defaultIndex = TQMAX( 0, transports.tqfindIndex( defaultTransport ) );
 
   TQString text;
   if ( nullIdentity )
@@ -94,13 +94,13 @@ bool Callback::mailICal( const TQString& to, const TQString &iCal,
   msg->setSubject( subject );
   if ( GlobalSettings::self()->exchangeCompatibleInvitations() ) {
     if ( status == TQString("cancel") )
-      msg->setSubject( i18n( "Declined: %1" ).arg(subject).tqreplace("Answer: ","") );
+      msg->setSubject( i18n( "Declined: %1" ).tqarg(subject).tqreplace("Answer: ","") );
     else if ( status == TQString("tentative") )
-      msg->setSubject( i18n( "Tentative: %1" ).arg(subject).tqreplace("Answer: ","") );
+      msg->setSubject( i18n( "Tentative: %1" ).tqarg(subject).tqreplace("Answer: ","") );
     else if ( status == TQString("accepted") )
-      msg->setSubject( i18n( "Accepted: %1" ).arg(subject).tqreplace("Answer: ","") );
+      msg->setSubject( i18n( "Accepted: %1" ).tqarg(subject).tqreplace("Answer: ","") );
     else if ( status == TQString("delegated") )
-      msg->setSubject( i18n( "Delegated: %1" ).arg(subject).tqreplace("Answer: ","") );
+      msg->setSubject( i18n( "Delegated: %1" ).tqarg(subject).tqreplace("Answer: ","") );
   }
   msg->setTo( to );
   msg->setFrom( receiver() );
@@ -227,7 +227,7 @@ TQString Callback::receiver() const
 
     // select default identity by default
     const TQString defaultAddr = kmkernel->identityManager()->defaultIdentity().primaryEmailAddress();
-    const int defaultIndex = TQMAX( 0, addrs.findIndex( defaultAddr ) );
+    const int defaultIndex = TQMAX( 0, addrs.tqfindIndex( defaultAddr ) );
 
     mReceiver =
       KInputDialog::getItem( i18n( "Select Address" ),
diff --git a/kmail/chiasmuskeyselector.cpp b/kmail/chiasmuskeyselector.cpp
index d88c3164..9fde31bb 100644
--- a/kmail/chiasmuskeyselector.cpp
+++ b/kmail/chiasmuskeyselector.cpp
@@ -21,7 +21,7 @@ ChiasmusKeySelector::ChiasmusKeySelector( TQWidget* tqparent, const TQString& ca
 
   mListBox = new KListBox( page );
   mListBox->insertStringList( keys );
-  const int current = keys.findIndex( currentKey );
+  const int current = keys.tqfindIndex( currentKey );
   mListBox->setSelected( TQMAX( 0, current ), true );
   mListBox->ensureCurrentVisible();
   tqlayout->addWidget( mListBox, 1 );
diff --git a/kmail/compactionjob.cpp b/kmail/compactionjob.cpp
index 3d3dd6ac..5de762e9 100644
--- a/kmail/compactionjob.cpp
+++ b/kmail/compactionjob.cpp
@@ -96,7 +96,7 @@ int MboxCompactionJob::executeNow( bool silent )
   if (!storage->compactable()) {
     kdDebug(5006) << storage->location() << " compaction skipped." << endl;
     if ( !mSilent ) {
-      TQString str = i18n( "For safety reasons, compaction has been disabled for %1" ).arg( mbox->label() );
+      TQString str = i18n( "For safety reasons, compaction has been disabled for %1" ).tqarg( mbox->label() );
       BroadcastqStatus::instance()->seStatusMsg( str );
     }
     return 0;
@@ -173,11 +173,11 @@ void MboxCompactionJob::done( int rc )
     mbox->close("mboxcompact", true);
     mbox->setAutoCreateIndex( autoCreate );
     mbox->setNeedsCompacting( false );            // We are clean now
-    str = i18n( "Folder \"%1\" successfully compacted" ).arg( mSrcFolder->label() );
+    str = i18n( "Folder \"%1\" successfully compacted" ).tqarg( mSrcFolder->label() );
     kdDebug(5006) << str << endl;
   } else {
     mbox->close("mboxcompact");
-    str = i18n( "Error occurred while compacting \"%1\". Compaction aborted." ).arg( mSrcFolder->label() );
+    str = i18n( "Error occurred while compacting \"%1\". Compaction aborted." ).tqarg( mSrcFolder->label() );
     kdDebug(5006) << "Error occurred while compacting " << mbox->location() << endl;
     kdDebug(5006) << "Compaction aborted." << endl;
     TQFile::remove( mTempName );
@@ -256,9 +256,9 @@ void MaildirCompactionJob::done( int rc )
   mCancellable = false;
   TQString str;
   if ( !rc ) {
-    str = i18n( "Folder \"%1\" successfully compacted" ).arg( mSrcFolder->label() );
+    str = i18n( "Folder \"%1\" successfully compacted" ).tqarg( mSrcFolder->label() );
   } else {
-    str = i18n( "Error occurred while compacting \"%1\". Compaction aborted." ).arg( mSrcFolder->label() );
+    str = i18n( "Error occurred while compacting \"%1\". Compaction aborted." ).tqarg( mSrcFolder->label() );
   }
   mErrorCode = rc;
   storage->setNeedsCompacting( false );
diff --git a/kmail/configuredialog.cpp b/kmail/configuredialog.cpp
index bc415a88..993c6c74 100644
--- a/kmail/configuredialog.cpp
+++ b/kmail/configuredialog.cpp
@@ -451,7 +451,7 @@ void IdentityPage::slotRemoveIdentity()
   if ( !item ) return;
 
   TQString msg = i18n("<qt>Do you really want to remove the identity named "
-                     "<b>%1</b>?</qt>").arg( item->identity().identityName() );
+                     "<b>%1</b>?</qt>").tqarg( item->identity().identityName() );
   if( KMessageBox::warningContinueCancel( this, msg, i18n("Remove Identity"),
    KGuiItem(i18n("&Remove"),"editdelete") ) == KMessageBox::Continue )
     if ( im->removeIdentity( item->identity().identityName() ) ) {
@@ -649,7 +649,7 @@ AccountsPageSendingTab::AccountsPageSendingTab( TQWidget * tqparent, const char
   btn_vlay->addStretch( 1 ); // spacer
 
   // "Common options" groupbox:
-  group = new TQGroupBox( 0, TQt::Vertical,
+  group = new TQGroupBox( 0, Qt::Vertical,
                          i18n("Common Options"), this );
   vlay->addWidget(group);
 
@@ -742,7 +742,7 @@ static inline TQString uniqueName( const TQStringList & list,
   while ( list.tqfind( result ) != list.end() ) {
     result = i18n("%1: name; %2: number appended to it to make it unique "
                   "among a list of names", "%1 %2")
-      .arg( name ).arg( suffix );
+      .tqarg( name ).tqarg( suffix );
     suffix++;
   }
   return result;
@@ -830,7 +830,7 @@ void AccountsPage::SendingTab::slotAddTransport()
                            "Configure->Accounts->Sending listview, \"type\" "
                            "column, first row, to indicate that this is the "
                            "default transport", "%1 (Default)")
-      .arg( transportInfo->type );
+      .tqarg( transportInfo->type );
     GlobalSettings::self()->setDefaultTransport( transportInfo->name );
   }
   (void) new TQListViewItem( mTransportList, lastItem, transportInfo->name,
@@ -1364,7 +1364,7 @@ void AccountsPage::ReceivingTab::slotRemoveSelectedAccount() {
   if ( !acct ) {
     // ### FIXME: see above
     KMessageBox::sorry( this, i18n("<qt>Unable to locate account <b>%1</b>.</qt>")
-                        .arg(listItem->text(0)) );
+                        .tqarg(listItem->text(0)) );
     return;
   }
 
@@ -1444,7 +1444,7 @@ void AccountsPage::ReceivingTab::save() {
     kmkernel->acctMgr()->writeConfig( true );
     if ( (*it) && !kmkernel->acctMgr()->remove(*it) )
       KMessageBox::sorry( this, i18n("<qt>Unable to locate account <b>%1</b>.</qt>")
-                          .arg( (*it)->name() ) );
+                          .tqarg( (*it)->name() ) );
   }
   mAccountsToDelete.clear();
 
@@ -1667,7 +1667,7 @@ void AppearancePage::FontsTab::installProfile( KConfig * profile ) {
       needChange = true;
       mFont[i] = fonts.readFontEntry( fontNames[i].configName );
       kdDebug(5006) << "got font \"" << fontNames[i].configName
-                << "\" thusly: \"" << mFont[i].toString() << "\"" << endl;
+                << "\" thusly: \"" << TQString(mFont[i].toString()) << "\"" << endl;
     }
   if ( needChange && mFontLocationCombo->currentItem() > 0 )
     mFontChooser->setFont( mFont[ mFontLocationCombo->currentItem() ],
@@ -1793,9 +1793,9 @@ void AppearancePage::ColorsTab::doLoadOther() {
   mCloseToQuotaThreshold->setValue( GlobalSettings::closeToQuotaThreshold() );
 
   static const TQColor defaultColor[ numColorNames ] = {
-    kapp->palette().active().base(), // bg
+    kapp->tqpalette().active().base(), // bg
     KGlobalSettings::alternateBackgroundColor(), // alt bg
-    kapp->palette().active().text(), // fg
+    kapp->tqpalette().active().text(), // fg
     TQColor( 0x00, 0x80, 0x00 ), // quoted l1
     TQColor( 0x00, 0x70, 0x00 ), // quoted l2
     TQColor( 0x00, 0x60, 0x00 ), // quoted l3
@@ -2058,7 +2058,7 @@ AppearancePageHeadersTab::AppearancePageHeadersTab( TQWidget * tqparent, const c
   for ( int i = 0 ; i < numDateDisplayConfig ; i++ ) {
     TQString buttonLabel = i18n(dateDisplayConfig[i].displayName);
     if ( buttonLabel.tqcontains("%1") )
-      buttonLabel = buttonLabel.arg( DateFormatter::formatCurrentDate( dateDisplayConfig[i].dateDisplay ) );
+      buttonLabel = buttonLabel.tqarg( DateFormatter::formatCurrentDate( dateDisplayConfig[i].dateDisplay ) );
     radio = new TQRadioButton( buttonLabel, mDateDisplay );
     mDateDisplay->insert( radio, i );
     if ( dateDisplayConfig[i].dateDisplay == DateFormatter::Custom ) {
@@ -3304,7 +3304,7 @@ void ComposerPage::CharsetTab::slotVerifyCharset( TQString & charset ) {
 
   if ( charset.lower() == TQString::tqfromLatin1("locale") ) {
     charset =  TQString::tqfromLatin1("%1 (locale)")
-      .arg( TQCString( kmkernel->networkCodec()->mimeName() ).lower() );
+      .tqarg( TQString( kmkernel->networkCodec()->mimeName() ).lower() );
     return;
   }
 
@@ -3328,7 +3328,7 @@ void ComposerPage::CharsetTab::doLoadOther() {
     if ( (*it) == TQString::tqfromLatin1("locale") ) {
       TQCString cset = kmkernel->networkCodec()->mimeName();
       KPIM::kAsciiToLower( cset.data() );
-      (*it) = TQString("%1 (locale)").arg( cset );
+      (*it) = TQString("%1 (locale)").tqarg( TQString(cset) );
     }
 
   mCharsetListEditor->setStringList( charsets );
@@ -3376,7 +3376,7 @@ ComposerPageHeadersTab::ComposerPageHeadersTab( TQWidget * tqparent, const char
   mMessageIdSuffixEdit = new KLineEdit( this );
   // only ASCII letters, digits, plus, minus and dots are allowed
   mMessageIdSuffixValidator =
-    new TQRegExpValidator( TQRegExp( "[a-zA-Z0-9+-]+(?:\\.[a-zA-Z0-9+-]+)*" ), this );
+    new TQRegExpValidator( TQRegExp( "[a-zA-Z0-9+-]+(?:\\.[a-zA-Z0-9+-]+)*" ), TQT_TQOBJECT(this) );
   mMessageIdSuffixEdit->setValidator( mMessageIdSuffixValidator );
   label = new TQLabel( mMessageIdSuffixEdit,
                       i18n("Custom message-&id suffix:"), this );
@@ -3815,7 +3815,7 @@ SecurityPageGeneralTab::SecurityPageGeneralTab( TQWidget * tqparent, const char
                            "exploits. <a href=\"whatsthis:%1\">More about "
                            "HTML mails...</a> <a href=\"whatsthis:%2\">More "
                            "about external references...</a>")
-                           .arg(htmlWhatsThis).arg(externalWhatsThis),
+                           .tqarg(htmlWhatsThis).tqarg(externalWhatsThis),
                            group );
 
   vlay->addWidget( group );
@@ -3890,7 +3890,7 @@ SecurityPageGeneralTab::SecurityPageGeneralTab( TQWidget * tqparent, const char
   label = new KActiveLabel( i18n("<b>WARNING:</b> Unconditionally returning "
                            "confirmations undermines your privacy. "
                            "<a href=\"whatsthis:%1\">More...</a>")
-                             .arg(receiptWhatsThis),
+                             .tqarg(receiptWhatsThis),
                            group );
 
   vlay->addWidget( group );
@@ -4358,7 +4358,7 @@ void SecurityPage::SMimeTab::doLoadOther() {
     TQString systemProxy = TQString::fromLocal8Bit( getenv( "http_proxy" ) );
     if ( systemProxy.isEmpty() )
       systemProxy = i18n( "no proxy" );
-    mWidget->systemHTTPProxy->setText( i18n( "(Current system setting: %1)" ).arg( systemProxy ) );
+    mWidget->systemHTTPProxy->setText( i18n( "(Current system setting: %1)" ).tqarg( systemProxy ) );
     bool honor = e.mHonorHTTPProxy && e.mHonorHTTPProxy->boolValue();
     mWidget->honorHTTPProxyRB->setChecked( honor );
     mWidget->useCustomHTTPProxyRB->setChecked( !honor );
@@ -4482,11 +4482,11 @@ Kleo::CryptoConfigEntry* SMIMECryptoConfigEntries::configEntry( const char* comp
 {
     Kleo::CryptoConfigEntry* entry = mConfig->entry( componentName, groupName, entryName );
     if ( !entry ) {
-        kdWarning(5006) << TQString( "Backend error: gpgconf doesn't seem to know the entry for %1/%2/%3" ).arg( componentName, groupName, entryName ) << endl;
+        kdWarning(5006) << TQString( "Backend error: gpgconf doesn't seem to know the entry for %1/%2/%3" ).tqarg( componentName, groupName, entryName ) << endl;
         return 0;
     }
     if( entry->argType() != argType || entry->isList() != isList ) {
-        kdWarning(5006) << TQString( "Backend error: gpgconf has wrong type for %1/%2/%3: %4 %5" ).arg( componentName, groupName, entryName ).arg( entry->argType() ).arg( entry->isList() ) << endl;
+        kdWarning(5006) << TQString( "Backend error: gpgconf has wrong type for %1/%2/%3: %4 %5" ).tqarg( componentName, groupName, entryName ).tqarg( entry->argType() ).tqarg( entry->isList() ) << endl;
         return 0;
     }
     return entry;
@@ -5135,7 +5135,7 @@ void MiscPage::GroupwareTab::save() {
     // Inbox folder of the selected account
     KMAccount* acct = mAccountCombo->currentAccount();
     if (  acct ) {
-      folderId = TQString( ".%1.directory/INBOX" ).arg( acct->id() );
+      folderId = TQString( ".%1.directory/INBOX" ).tqarg( acct->id() );
       GlobalSettings::self()->setTheIMAPResourceAccount( acct->id() );
     }
   }
diff --git a/kmail/configuredialog_p.cpp b/kmail/configuredialog_p.cpp
index ff473f66..098e9087 100644
--- a/kmail/configuredialog_p.cpp
+++ b/kmail/configuredialog_p.cpp
@@ -225,7 +225,7 @@ NewLanguageDialog::NewLanguageDialog( LanguageItemList & suppressedLangs,
     if ( suppressedAcronyms.tqfind( acronym ) == suppressedAcronyms.end() ) {
       // not found:
       TQString displayname = TQString::tqfromLatin1("%1 (%2)")
-	.arg( name ).arg( acronym );
+	.tqarg( name ).tqarg( acronym );
       TQPixmap flag( locate("locale", acronym + flagPng ) );
       mComboBox->insertItem( flag, displayname );
     }
@@ -239,7 +239,7 @@ NewLanguageDialog::NewLanguageDialog( LanguageItemList & suppressedLangs,
 TQString NewLanguageDialog::language() const
 {
   TQString s = mComboBox->currentText();
-  int i = s.findRev( '(' );
+  int i = s.tqfindRev( '(' );
   return s.mid( i + 1, s.length() - i - 2 );
 }
 
@@ -255,21 +255,21 @@ int LanguageComboBox::insertLanguage( const TQString & language )
   KSimpleConfig entry( locate("locale", language + entryDesktop) );
   entry.setGroup( "KCM Locale" );
   TQString name = entry.readEntry( "Name" );
-  TQString output = TQString::tqfromLatin1("%1 (%2)").arg( name ).arg( language );
+  TQString output = TQString::tqfromLatin1("%1 (%2)").tqarg( name ).tqarg( language );
   insertItem( TQPixmap( locate("locale", language + flagPng ) ), output );
-  return listBox()->index( listBox()->findItem(output) );
+  return listBox()->index( listBox()->tqfindItem(output) );
 }
 
 TQString LanguageComboBox::language() const
 {
   TQString s = currentText();
-  int i = s.findRev( '(' );
+  int i = s.tqfindRev( '(' );
   return s.mid( i + 1, s.length() - i - 2 );
 }
 
 void LanguageComboBox::setLanguage( const TQString & language )
 {
-  TQString tqparenthizedLanguage = TQString::tqfromLatin1("(%1)").arg( language );
+  TQString tqparenthizedLanguage = TQString::tqfromLatin1("(%1)").tqarg( language );
   for (int i = 0; i < count(); i++)
     // ### FIXME: use .endWith():
     if ( text(i).tqfind( tqparenthizedLanguage ) >= 0 ) {
diff --git a/kmail/csshelper.cpp b/kmail/csshelper.cpp
index 3fe2fd78..86166dbc 100644
--- a/kmail/csshelper.cpp
+++ b/kmail/csshelper.cpp
@@ -77,7 +77,7 @@ namespace KMail {
       TQFont defaultFont = mBodyFont;
       defaultFont.setItalic( true );
       for ( int i = 0 ; i < 3 ; ++i ) {
-        const TQString key = TQString( "quote%1-font" ).arg( i+1 );
+        const TQString key = TQString( "quote%1-font" ).tqarg( i+1 );
         mQuoteFont[i] = fonts.readFontEntry( key, &defaultFont );
       }
     }
diff --git a/kmail/customtemplates.cpp b/kmail/customtemplates.cpp
index ef3668df..4f168490 100644
--- a/kmail/customtemplates.cpp
+++ b/kmail/customtemplates.cpp
@@ -117,7 +117,7 @@ CustomTemplates::CustomTemplates( TQWidget *tqparent, const char *name )
             "<i>Universal</i> which can be used for all kind of operations. "
             "You cannot bind keyboard shortcut to <i>Universal</i> templates.</p>"
             "</qt>" );
-  mHelp->setText( i18n( "<a href=\"whatsthis:%1\">How does this work?</a>" ).arg( help ) );
+  mHelp->setText( i18n( "<a href=\"whatsthis:%1\">How does this work?</a>" ).tqarg( help ) );
 
   const TQString toToolTip = i18n( "Additional recipients of the message when forwarding" );
   const TQString ccToolTip = i18n( "Additional recipients who get a copy of the message when forwarding" );
diff --git a/kmail/distributionlistdialog.cpp b/kmail/distributionlistdialog.cpp
index 62b4fcee..6ee1492a 100644
--- a/kmail/distributionlistdialog.cpp
+++ b/kmail/distributionlistdialog.cpp
@@ -196,7 +196,7 @@ void DistributionListDialog::slotUser1()
 #endif
     KMessageBox::information( this,
       i18n( "<qt>Distribution list with the given name <b>%1</b> "
-        "already exists. Please select a different name.</qt>" ).arg( name ) );
+        "already exists. Please select a different name.</qt>" ).tqarg( name ) );
     return;
   }
 
diff --git a/kmail/expirejob.cpp b/kmail/expirejob.cpp
index 6d634d8f..30ab9cd7 100644
--- a/kmail/expirejob.cpp
+++ b/kmail/expirejob.cpp
@@ -162,7 +162,7 @@ void ExpireJob::done()
       moving = true;
       str = i18n( "Removing 1 old message from folder %1...",
                   "Removing %n old messages from folder %1...", count )
-            .arg( mSrcFolder->label() );
+            .tqarg( mSrcFolder->label() );
     } else {
       // Expire by moving
       mMoveToFolder =
@@ -170,7 +170,7 @@ void ExpireJob::done()
       if ( !mMoveToFolder ) {
         str = i18n( "Cannot expire messages from folder %1: destination "
                     "folder %2 not found" )
-              .arg( mSrcFolder->label(), mSrcFolder->expireToFolderId() );
+              .tqarg( mSrcFolder->label(), mSrcFolder->expireToFolderId() );
         kdWarning(5006) << str << endl;
       } else {
         kdDebug(5006) << "ExpireJob: finished expiring in folder "
@@ -185,7 +185,7 @@ void ExpireJob::done()
         str = i18n( "Moving 1 old message from folder %1 to folder %2...",
                     "Moving %n old messages from folder %1 to folder %2...",
                     count )
-              .arg( mSrcFolder->label(), mMoveToFolder->label() );
+              .tqarg( mSrcFolder->label(), mMoveToFolder->label() );
       }
     }
   }
@@ -213,34 +213,34 @@ void ExpireJob::slotMessagesMoved( KMCommand *command )
       msg = i18n( "Removed 1 old message from folder %1.",
                   "Removed %n old messages from folder %1.",
                   mRemovedMsgs.count() )
-            .arg( mSrcFolder->label() );
+            .tqarg( mSrcFolder->label() );
     }
     else {
       msg = i18n( "Moved 1 old message from folder %1 to folder %2.",
                   "Moved %n old messages from folder %1 to folder %2.",
                   mRemovedMsgs.count() )
-            .arg( mSrcFolder->label(), mMoveToFolder->label() );
+            .tqarg( mSrcFolder->label(), mMoveToFolder->label() );
     }
     break;
   case KMCommand::Failed:
     if ( mSrcFolder->expireAction() == KMFolder::ExpireDelete ) {
       msg = i18n( "Removing old messages from folder %1 failed." )
-            .arg( mSrcFolder->label() );
+            .tqarg( mSrcFolder->label() );
     }
     else {
       msg = i18n( "Moving old messages from folder %1 to folder %2 failed." )
-            .arg( mSrcFolder->label(), mMoveToFolder->label() );
+            .tqarg( mSrcFolder->label(), mMoveToFolder->label() );
     }
     break;
   case KMCommand::Canceled:
     if ( mSrcFolder->expireAction() == KMFolder::ExpireDelete ) {
       msg = i18n( "Removing old messages from folder %1 was canceled." )
-            .arg( mSrcFolder->label() );
+            .tqarg( mSrcFolder->label() );
     }
     else {
       msg = i18n( "Moving old messages from folder %1 to folder %2 was "
                   "canceled." )
-            .arg( mSrcFolder->label(), mMoveToFolder->label() );
+            .tqarg( mSrcFolder->label(), mMoveToFolder->label() );
     }
   default: ;
   }
diff --git a/kmail/favoritefolderview.cpp b/kmail/favoritefolderview.cpp
index 7176cdeb..5c5cfa66 100644
--- a/kmail/favoritefolderview.cpp
+++ b/kmail/favoritefolderview.cpp
@@ -405,13 +405,13 @@ TQString FavoriteFolderView::prettyName(KMFolderTreeItem * fti)
     if ( fti->protocol() == KFolderTreeItem::Local || fti->protocol() == KFolderTreeItem::NONE ) {
       name = i18n( "Local Inbox" );
     } else {
-      name = i18n( "Inbox of %1" ).arg( accountFti->text( 0 ) );
+      name = i18n( "Inbox of %1" ).tqarg( accountFti->text( 0 ) );
     }
   } else {
     if ( fti->protocol() != KFolderTreeItem::Local && fti->protocol() != KFolderTreeItem::NONE ) {
-      name = i18n( "%1 on %2" ).arg( fti->text( 0 ) ).arg( accountFti->text( 0 ) );
+      name = i18n( "%1 on %2" ).tqarg( fti->text( 0 ) ).tqarg( accountFti->text( 0 ) );
     } else {
-      name = i18n( "%1 (local)" ).arg( fti->text( 0 ) );
+      name = i18n( "%1 (local)" ).tqarg( fti->text( 0 ) );
     }
   }
   return name;
diff --git a/kmail/filehtmlwriter.cpp b/kmail/filehtmlwriter.cpp
index 479e6d3e..c4f2d214 100644
--- a/kmail/filehtmlwriter.cpp
+++ b/kmail/filehtmlwriter.cpp
@@ -96,7 +96,7 @@ namespace KMail {
     if ( !mFile.open( IO_WriteOnly ) )
       kdWarning( 5006 ) << "FileHtmlWriter: Cannot open file " << mFile.name() << endl;
     else
-      mStream.setDevice( &mFile );
+      mStream.setDevice( &TQT_TQIODEVICE_OBJECT(mFile) );
   }
 
   void FileHtmlWriter::embedPart( const TQCString & contentId, const TQString & url ) {
diff --git a/kmail/filterlogdlg.cpp b/kmail/filterlogdlg.cpp
index 441390fb..c387b2e1 100644
--- a/kmail/filterlogdlg.cpp
+++ b/kmail/filterlogdlg.cpp
@@ -257,7 +257,7 @@ void FilterLogDialog::slotUser2()
       KMessageBox::error( this,
                           i18n( "Could not write the file %1:\n"
                                 "\"%2\" is the detailed error description." )
-                          .arg( fileName,
+                          .tqarg( fileName,
                                 TQString::fromLocal8Bit( strerror( errno ) ) ),
                           i18n( "KMail Error" ) );
     }
diff --git a/kmail/folderdiaacltab.cpp b/kmail/folderdiaacltab.cpp
index 90903fdb..c850cf2e 100644
--- a/kmail/folderdiaacltab.cpp
+++ b/kmail/folderdiaacltab.cpp
@@ -244,7 +244,7 @@ static TQString permissionsToUserString( unsigned int permissions, const TQStrin
   if ( internalRightsList.isEmpty() )
     return i18n( "Custom Permissions" ); // not very helpful, but shouldn't happen
   else
-    return i18n( "Custom Permissions (%1)" ).arg( internalRightsList );
+    return i18n( "Custom Permissions (%1)" ).tqarg( internalRightsList );
 }
 
 void KMail::FolderDiaACLTab::ListViewItem::setPermissions( unsigned int permissions )
@@ -453,7 +453,7 @@ void KMail::FolderDiaACLTab::load()
   KMFolder* folder = mDlg->folder() ? mDlg->folder() : mDlg->tqparentFolder();
   if ( folder && folder->storage() == mImapAccount->rootFolder() )
     return; // nothing to be done for the (virtual) account folder
-  mLabel->setText( i18n( "Connecting to server %1, please wait..." ).arg( mImapAccount->host() ) );
+  mLabel->setText( i18n( "Connecting to server %1, please wait..." ).tqarg( mImapAccount->host() ) );
   ImapAccountBase::ConnectionState state = mImapAccount->makeConnection();
   if ( state == ImapAccountBase::Error ) { // Cancelled by user, or slave can't start
     slotConnectionResult( -1, TQString() );
@@ -471,7 +471,7 @@ void KMail::FolderDiaACLTab::slotConnectionResult( int errorCode, const TQString
               this, TQT_SLOT( slotConnectionResult(int, const TQString&) ) );
   if ( errorCode ) {
     if ( errorCode == -1 ) // unspecified error
-      mLabel->setText( i18n( "Error connecting to server %1" ).arg( mImapAccount->host() ) );
+      mLabel->setText( i18n( "Error connecting to server %1" ).tqarg( mImapAccount->host() ) );
     else
       // Connection error (error message box already shown by the account)
       mLabel->setText( KIO::buildErrorString( errorCode, errorMsg ) );
@@ -521,7 +521,7 @@ void KMail::FolderDiaACLTab::slotReceivedACL( KMFolder* folder, KIO::Job* job, c
       if ( job->error() == KIO::ERR_UNSUPPORTED_ACTION )
         mLabel->setText( i18n( "This IMAP server does not have support for access control lists (ACL)" ) );
       else
-        mLabel->setText( i18n( "Error retrieving access control list (ACL) from server\n%1" ).arg( job->errorString() ) );
+        mLabel->setText( i18n( "Error retrieving access control list (ACL) from server\n%1" ).tqarg( job->errorString() ) );
       return;
     }
 
diff --git a/kmail/folderdiaquotatab.cpp b/kmail/folderdiaquotatab.cpp
index 4215ba72..ac93431f 100644
--- a/kmail/folderdiaquotatab.cpp
+++ b/kmail/folderdiaquotatab.cpp
@@ -117,7 +117,7 @@ void KMail::FolderDiaQuotaTab::load()
   KMFolder* folder = mDlg->folder() ? mDlg->folder() : mDlg->tqparentFolder();
   if ( folder && folder->storage() == mImapAccount->rootFolder() )
     return; // nothing to be done for the (virtual) account folder
-  mLabel->setText( i18n( "Connecting to server %1, please wait..." ).arg( mImapAccount->host() ) );
+  mLabel->setText( i18n( "Connecting to server %1, please wait..." ).tqarg( mImapAccount->host() ) );
   ImapAccountBase::ConnectionState state = mImapAccount->makeConnection();
   if ( state == ImapAccountBase::Error ) { // Cancelled by user, or slave can't start
     slotConnectionResult( -1, TQString() );
@@ -136,7 +136,7 @@ void KMail::FolderDiaQuotaTab::slotConnectionResult( int errorCode, const TQStri
               this, TQT_SLOT( slotConnectionResult(int, const TQString&) ) );
   if ( errorCode ) {
     if ( errorCode == -1 )  // unspecified error
-      mLabel->setText( i18n( "Error connecting to server %1" ).arg( mImapAccount->host() ) );
+      mLabel->setText( i18n( "Error connecting to server %1" ).tqarg( mImapAccount->host() ) );
     else
       // Connection error (error message box already shown by the account)
       mLabel->setText( KIO::buildErrorString( errorCode, errorMsg ) );
@@ -162,7 +162,7 @@ void KMail::FolderDiaQuotaTab::slotReceivedQuotaInfo( KMFolder* folder,
       if ( job->error() == KIO::ERR_UNSUPPORTED_ACTION )
         mLabel->setText( i18n( "This account does not have support for quota information." ) );
       else
-        mLabel->setText( i18n( "Error retrieving quota information from server\n%1" ).arg( job->errorString() ) );
+        mLabel->setText( i18n( "Error retrieving quota information from server\n%1" ).tqarg( job->errorString() ) );
     } else {
       mQuotaInfo = info;
     }
diff --git a/kmail/folderpropertiesdialog.ui b/kmail/folderpropertiesdialog.ui
index 984885c1..1966944a 100644
--- a/kmail/folderpropertiesdialog.ui
+++ b/kmail/folderpropertiesdialog.ui
@@ -608,13 +608,13 @@
     </connection>
     <connection>
         <sender>mNormalIconButton</sender>
-        <signal>iconChanged(QString)</signal>
+        <signal>iconChanged(TQString)</signal>
         <receiver>KMFolderDialogUI</receiver>
-        <slot>slotChangeIcon(QString)</slot>
+        <slot>slotChangeIcon(TQString)</slot>
     </connection>
 </connections>
 <includes>
-    <include location="global" impldecl="in declaration">qvaluelist.h</include>
+    <include location="global" impldecl="in declaration">tqvaluelist.h</include>
     <include location="local" impldecl="in implementation">kmfolderdir.h</include>
     <include location="local" impldecl="in implementation">kmfolder.h</include>
     <include location="global" impldecl="in implementation">kdialog.h</include>
@@ -622,16 +622,16 @@
 </includes>
 <forwards>
     <forward>class KMFolderDir;</forward>
-    <forward>template &lt;typename T&gt; class QGuardedPtr; </forward>
+    <forward>template &lt;typename T&gt; class TQGuardedPtr; </forward>
     <forward>class KMFolder; </forward>
 </forwards>
 <variables>
     <variable>KMFolder *mFolder;</variable>
-    <variable>QValueList&lt;QGuardedPtr&lt;KMFolder&gt; &gt; mFolders;</variable>
+    <variable>TQValueList&lt;TQGuardedPtr&lt;KMFolder&gt; &gt; mFolders;</variable>
     <variable>KMFolderDir *mFolderDIr;</variable>
 </variables>
 <Q_SLOTS>
-    <slot access="protected">slotChangeIcon( QString )</slot>
+    <slot access="protected">slotChangeIcon( TQString )</slot>
 </Q_SLOTS>
 <tqlayoutdefaults spacing="6" margin="11"/>
 <tqlayoutfunctions spacing="KDialog::spacingHint" margin="KDialog::marginHint"/>
diff --git a/kmail/folderrequester.cpp b/kmail/folderrequester.cpp
index 06374664..b04022bb 100644
--- a/kmail/folderrequester.cpp
+++ b/kmail/folderrequester.cpp
@@ -57,7 +57,7 @@ FolderRequester::FolderRequester( TQWidget *tqparent, KMFolderTree *tree )
 
   tqsetSizePolicy( TQSizePolicy( TQSizePolicy::MinimumExpanding,
         TQSizePolicy::Fixed ) );
-  setFocusPolicy( TQWidget::StrongFocus );
+  setFocusPolicy( Qt::StrongFocus );
 }
 
 //-----------------------------------------------------------------------------
@@ -104,7 +104,7 @@ void FolderRequester::setFolder( const TQString &idString )
     setFolder( folder );
   } else {
     if ( !idString.isEmpty() ) {
-      edit->setText( i18n( "Unknown folder '%1'" ).arg( idString ) );
+      edit->setText( i18n( "Unknown folder '%1'" ).tqarg( idString ) );
     } else {
       edit->setText( i18n( "Please select a folder" ) );
     }
diff --git a/kmail/foldershortcutdialog.cpp b/kmail/foldershortcutdialog.cpp
index b4897afe..f9bbed20 100644
--- a/kmail/foldershortcutdialog.cpp
+++ b/kmail/foldershortcutdialog.cpp
@@ -56,7 +56,7 @@ FolderShortcutDialog::FolderShortcutDialog( KMFolder *folder,
                                             TQWidget *tqparent,
                                             const char *name )
 :  KDialogBase( tqparent, name, true,
-               i18n( "Shortcut for Folder %1" ).arg( folder->label() ),
+               i18n( "Shortcut for Folder %1" ).tqarg( folder->label() ),
                KDialogBase::Ok | KDialogBase::Cancel ),
    mFolder( folder ), mMainWidget( mainwidget )
 {
diff --git a/kmail/folderstorage.cpp b/kmail/folderstorage.cpp
index e1a7f364..72547d8d 100644
--- a/kmail/folderstorage.cpp
+++ b/kmail/folderstorage.cpp
@@ -725,11 +725,11 @@ int FolderStorage::rename(const TQString& newName, KMFolderDir *newParent)
     // if the folder is being moved then move its node and, if necessary, also
     // the associated subfolder directory node to the new tqparent
     if (newParent) {
-      if (oldParent->findRef( folder() ) != -1)
+      if (oldParent->tqfindRef( folder() ) != -1)
         oldParent->take();
       newParent->inSort( folder() );
       if ( child ) {
-        if ( child->tqparent()->findRef( child ) != -1 )
+        if ( child->tqparent()->tqfindRef( child ) != -1 )
           child->tqparent()->take();
         newParent->inSort( child );
         child->setParent( newParent );
diff --git a/kmail/foldertreebase.cpp b/kmail/foldertreebase.cpp
index 0397692a..87084b7b 100644
--- a/kmail/foldertreebase.cpp
+++ b/kmail/foldertreebase.cpp
@@ -108,9 +108,9 @@ void FolderTreeBase::readColorConfig()
   KConfig* conf = KMKernel::config();
   // Custom/System color support
   KConfigGroupSaver saver(conf, "Reader");
-  TQColor c1=TQColor(kapp->palette().active().text());
+  TQColor c1=TQColor(kapp->tqpalette().active().text());
   TQColor c2=TQColor("blue");
-  TQColor c4=TQColor(kapp->palette().active().base());
+  TQColor c4=TQColor(kapp->tqpalette().active().base());
   TQColor c5=TQColor("red");
 
   if (!conf->readBoolEntry("defaultColors",true)) {
@@ -235,7 +235,7 @@ void FolderTreeBase::handleMailListDrop(TQDropEvent * event, KMFolder *destinati
     else
       action = dndMode();
     if ( action == DRAG_COPY || action == DRAG_MOVE ) {
-      new MessageCopyHelper( serNums, destination, action == DRAG_MOVE, this );
+      new MessageCopyHelper( serNums, destination, action == DRAG_MOVE, TQT_TQOBJECT(this) );
     }
   }
 }
diff --git a/kmail/folderutil.cpp b/kmail/folderutil.cpp
index e5a604b8..e227113d 100644
--- a/kmail/folderutil.cpp
+++ b/kmail/folderutil.cpp
@@ -92,7 +92,7 @@ void KMail::FolderUtil::deleteFolder( KMFolder *folderToDelete, TQWidget *tqpare
       KMessageBox::information(tqparent,
           i18n("<qt>The folder you deleted was associated with the account "
             "<b>%1</b> which delivered mail into it. The folder the account "
-            "delivers new mail into was reset to the main Inbox folder.</qt>").arg( (*it)->name()));
+            "delivers new mail into was reset to the main Inbox folder.</qt>").tqarg( (*it)->name()));
     }
   }
   if (folderToDelete->folderType() == KMFolderTypeImap)
diff --git a/kmail/folderviewtooltip.h b/kmail/folderviewtooltip.h
index 5ffac8d4..a60e60c6 100644
--- a/kmail/folderviewtooltip.h
+++ b/kmail/folderviewtooltip.h
@@ -32,15 +32,15 @@ class FolderViewToolTip : public TQToolTip
       
       item->updateCount();
       TQString tipText = i18n("<qt><b>%1</b><br>Total: %2<br>Unread: %3<br>Size: %4" )
-          .arg( item->folder()->prettyURL().tqreplace( " ", "&nbsp;" ) )
-          .arg( item->totalCount() < 0 ? "-" : TQString::number( item->totalCount() ) )
-          .arg( item->unreadCount() < 0 ? "-" : TQString::number( item->unreadCount() ) )
-          .arg( KIO::convertSize( item->folderSize() ) );
+          .tqarg( item->folder()->prettyURL().tqreplace( " ", "&nbsp;" ) )
+          .tqarg( item->totalCount() < 0 ? "-" : TQString::number( item->totalCount() ) )
+          .tqarg( item->unreadCount() < 0 ? "-" : TQString::number( item->unreadCount() ) )
+          .tqarg( KIO::convertSize( item->folderSize() ) );
       
       if ( KMFolderCachedImap* imap = dynamic_cast<KMFolderCachedImap*>( item->folder()->storage() ) ) {
           QuotaInfo info = imap->quotaInfo();
           if ( info.isValid() && !info.isEmpty() )
-              tipText += i18n("<br>Quota: %1").arg( info.toString() );
+              tipText += i18n("<br>Quota: %1").tqarg( info.toString() );
       }
       
       tip( TQRect( headerRect.left(), tqitemRect.top(), headerRect.width(), tqitemRect.height() ), tipText );
diff --git a/kmail/headeritem.cpp b/kmail/headeritem.cpp
index 230b6499..7742e3ba 100644
--- a/kmail/headeritem.cpp
+++ b/kmail/headeritem.cpp
@@ -458,7 +458,7 @@ TQString HeaderItem::generate_key( KMHeaders *headers,
 
   int column = sortOrder & ((1 << 5) - 1);
   TQString ret = TQChar( (char)sortOrder );
-  TQString sortArrival = TQString( "%1" ).arg( msg->getMsgSerNum(), 0, 36 );
+  TQString sortArrival = TQString( "%1" ).tqarg( msg->getMsgSerNum(), 0, 36 );
   while (sortArrival.length() < 7) sortArrival = '0' + sortArrival;
 
   if (column == paintInfo->dateCol) {
diff --git a/kmail/headerlistquicksearch.cpp b/kmail/headerlistquicksearch.cpp
index 39df6dc9..2ed869b6 100644
--- a/kmail/headerlistquicksearch.cpp
+++ b/kmail/headerlistquicksearch.cpp
@@ -57,7 +57,7 @@ HeaderListQuickSearch::HeaderListQuickSearch( TQWidget *tqparent,
                                            TQApplication::reverseLayout()
                                            ? "clear_left"
                                            : "locationbar_erase",
-                                           0, this,
+                                           0, TQT_TQOBJECT(this),
                                            TQT_SLOT( reset() ),
                                            actionCollection,
                                            "reset_quicksearch" );
@@ -112,12 +112,12 @@ HeaderListQuickSearch::~HeaderListQuickSearch()
 
 bool HeaderListQuickSearch::eventFilter( TQObject *watched, TQEvent *event )
 {
-  if ( watched == mStatusCombo ) {
+  if ( TQT_BASE_OBJECT(watched) == TQT_BASE_OBJECT(mStatusCombo) ) {
     KMMainWidget *mainWidget = 0;
 
     // Travel up the tqparents list until we find the main widget
     for ( TQWidget *curWidget = tqparentWidget(); curWidget; curWidget = curWidget->tqparentWidget() ) {
-      mainWidget = ::qt_cast<KMMainWidget *>( curWidget );
+      mainWidget = ::tqqt_cast<KMMainWidget *>( curWidget );
       if ( mainWidget )
         break;
     }
diff --git a/kmail/headerstyle.cpp b/kmail/headerstyle.cpp
index 0b728444..6e459c7a 100644
--- a/kmail/headerstyle.cpp
+++ b/kmail/headerstyle.cpp
@@ -82,10 +82,10 @@ namespace KMail {
   static TQString convertToHtmlBlock( const TQString & str, bool useSpan=false ) {
     TQString dir = directionOf( str );
     TQString format = "<%1 dir=\"%3\">%4</%2>";
-    return format.arg( useSpan ? "span" : "div" )
-                 .arg( useSpan ? "span" : "div" )
-                 .arg( dir )
-                 .arg( LinkLocator::convertToHtml( str ) );
+    return format.tqarg( useSpan ? "span" : "div" )
+                 .tqarg( useSpan ? "span" : "div" )
+                 .tqarg( dir )
+                 .tqarg( LinkLocator::convertToHtml( str ) );
   }
 #endif
 
@@ -262,13 +262,13 @@ namespace KMail {
       return headerStr + "</div>";
     }
 
-    headerStr = TQString("<div class=\"header\" dir=\"%1\">").arg(dir);
+    headerStr = TQString("<div class=\"header\" dir=\"%1\">").tqarg(dir);
 
     //case HdrLong:
     if ( strategy->showHeader( "subject" ) )
       headerStr += TQString("<div dir=\"%1\"><b style=\"font-size:130%\">" +
                            strToHtml(message->subject()) + "</b></div>\n")
-                        .arg(subjectDir);
+                        .tqarg(subjectDir);
 
     if ( strategy->showHeader( "date" ) )
       headerStr.append(i18n("Date: ") + strToHtml(dateString)+"<br>\n");
@@ -408,9 +408,9 @@ namespace KMail {
       }
     }
     TQString titleText = i18n("%1% probability of being spam.\n\nFull report:\n%2")
-                     .arg( TQString::number( percent ), filterHeader );
+                     .tqarg( TQString::number( percent ), filterHeader );
     return TQString("<img src=\"%1\" width=\"%2\" height=\"%3\" style=\"border: 1px solid black;\" title=\"%4\"> &nbsp;")
-      .arg( imgToDataUrl( meterBar, "PPM" ), TQString::number( 20 ),
+      .tqarg( imgToDataUrl( meterBar, "PPM" ), TQString::number( 20 ),
             TQString::number( 5 ), titleText );
   }
 
@@ -430,7 +430,7 @@ namespace KMail {
     // of the application tqlayout.
 
     TQString dir = ( TQApplication::reverseLayout() ? "rtl" : "ltr" );
-    TQString headerStr = TQString("<div class=\"fancy header\" dir=\"%1\">\n").arg(dir);
+    TQString headerStr = TQString("<div class=\"fancy header\" dir=\"%1\">\n").tqarg(dir);
 
     // However, the direction of the message subject within the header is
     // determined according to the contents of the subject itself. Since
@@ -494,7 +494,7 @@ namespace KMail {
           if ( !presence.isEmpty() )
           {
             TQString presenceIcon = TQString::tqfromLatin1( " <img src=\"%1\"/>" )
-                .arg( imgToDataUrl( imProxy->presenceIcon( kabcUid ).convertToImage() ) );
+                .tqarg( imgToDataUrl( imProxy->presenceIcon( kabcUid ).convertToImage() ) );
             presence += presenceIcon;
           }
       }
@@ -585,26 +585,26 @@ namespace KMail {
     {
         //kdDebug( 5006 ) << "Got a photo: " << photoURL << endl;
       userHTML = TQString("<img src=\"%1\" width=\"%2\" height=\"%3\">")
-          .arg( photoURL ).arg( photoWidth ).arg( photoHeight );
+          .tqarg( photoURL ).tqarg( photoWidth ).tqarg( photoHeight );
       if ( presence.isEmpty() ) {
         userHTML = TQString("<div class=\"senderpic\">") + userHTML + "</div>";
       } else {
         userHTML = TQString( "<div class=\"senderpic\">"
             "<a href=\"im:%1\">%2<div class=\"senderstatus\">"
             "<span name=\"presence-%3\">%4</span></div></a>"
-            "</div>" ).arg( kabcUid )
-            .arg( userHTML )
-             .arg( kabcUid )
-            .arg( presence );
+            "</div>" ).tqarg( kabcUid )
+            .tqarg( userHTML )
+             .tqarg( kabcUid )
+            .tqarg( presence );
       }
     } else {
        // we don't have a photo, just show presence, if we have it
       if ( !presence.isEmpty() )
         userHTML = TQString( "<a href=\"im:%1\"><div class=\"senderstatus\">"
             "<span name=\"presence-%2\">%3</span></div></a>" )
-            .arg( kabcUid )
-            .arg( kabcUid )
-            .arg( presence );
+            .tqarg( kabcUid )
+            .tqarg( kabcUid )
+            .tqarg( presence );
     }
 #if 0
     // Disabled 'Launch IM' link in headers - Will
@@ -646,7 +646,7 @@ namespace KMail {
 				
 				// kdDebug() << "FancyHeaderStyle::format() local zone offset (in minutes): " << lzone << endl;
 				
-				TQTime currTime = TQTime::currentTime( TQt::UTC );
+				TQTime currTime = TQTime::currentTime( Qt::UTC );
 				
 				// kdDebug() << "FancyHeaderStyle::format() current time: " << currTime << endl;
 				
@@ -662,7 +662,7 @@ namespace KMail {
 				  color = "white";
 				  bg_color = "#000B6B";
 				  bg_image = "url(data:image/png;base64,"
-				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAIAAAASmSbdAAAAS0lETQVQI11WOsRGATQAzDOG/LHoz9"
+				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAIAAAASmSbdAAAAS0lEQVQI11WOsRGAQAzDOG/LHoz9"
 				    "kikIcF+kSBxbPs7LoNGVapAI0Zn+O+8NUwldozn6io7G7kdS/5zi7i+BvUM/5uSXlIfzMHx/bmWR"
 				    "k++yj9rZAAAAAElFTkSuQmCC)";
 				}
@@ -671,8 +671,8 @@ namespace KMail {
 				  color = "white";
 				  bg_color = "#00A6FF";
 				  bg_image = "url(data:image/png;base64,"
-				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAWklETQVQI122OQQ7DMAzDaP3/dfuO"
-				    "pWSHJgva7iZIBk3m/Ew5hexCHVCilewzFHKEbFZqgxJTQWyzKhWKl9unqddJj8+L9sl0oR2gUim+o"
+				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAWklEQVQI122OQQ7DMAzDaP3/dfuO"
+				    "pWSHJgva7iZIBk3m/Ew5hexCHVCilewzFHKEbFZqgxJQWyzKhWKl9unqddJj8+L9sl0oR2gUim+o"
 				    "zu4uSh7kn67/DNv+C4tsZOtjAWEHAAAAAElFTkSuQmCC)";
 				}
 				else if ( currTime > TQTime( 12, 0, 0 ) && currTime <= TQTime( 18, 0, 0 ) ) {
@@ -680,8 +680,8 @@ namespace KMail {
 				  color = "black";
 				  bg_color = "#00A6FF";
 				  bg_image = "url(data:image/png;base64,"
-				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAPUlETQVQI132OwQ0AIAwCSfcfw91c"
-				    "QsCfRm399HFwoWjdDhMICQhxHSWMTQPhkTCoqWRZU2h5i9tr4GZfmV5t3wWUI3h+NugAAAABJRU5E"
+				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAPUlEQVQI132OwQ0AIAwCSfcfw91c"
+				    "QsCfRm399HFwoWjdDhMICQhxHSWMQPhkTCoqWRZU2h5i9tr4GZfmV5t3wWUI3h+NugAAAABJRU5E"
 				    "rkJggg==)";
 				}
 				else {
@@ -689,8 +689,8 @@ namespace KMail {
 				  color = "white";
 				  bg_color = "#0014CC";
 				  bg_image = "url(data:image/png;base64,"
-				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAWklETQVQI11WOyRHAMAgDNQuUlBrS"
-				    "fyFpAfKwje0PwyEt0vN+hVsJpzS6TQML2ziWcFI6mZBZNSVDXYehyUgI1XsLI9eimHDH6kW0ddVIO"
+				    "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAyCAYAAACd+7GKAAAAWklEQVQI11WOyRHAMAgDNQuUlBrS"
+				    "fyFpAfKwje0PwyEt0vN+hVsJpzS6QML2ziWcFI6mZBZNSVDXYehyUgI1XsLI9eimHDH6kW0ddVIO"
 				    "xx7JjrtshlbXlLDSD+WhJ+hwqWo8AAAAAElFTkSuQmCC)";
 				}
 				
@@ -719,12 +719,12 @@ namespace KMail {
 				  "margin: 0px 0px 3px 0px;"
 				  "\" class=\"curtime\">%4<br />%5<br />%6</div>"
 				  )
-				  .arg( bg_color )
-				  .arg( color )
-				  .arg( bg_image )
-				  .arg( i18n( "Now:" ) )
-				  .arg( currTime.toString( tformat ) )
-				  .arg( timeofday )
+				  .tqarg( bg_color )
+				  .tqarg( color )
+				  .tqarg( bg_image )
+				  .tqarg( i18n( "Now:" ) )
+				  .tqarg( currTime.toString( tformat ) )
+				  .tqarg( timeofday )
 				  );
 			}
 			else {
@@ -739,8 +739,8 @@ namespace KMail {
                         ( GlobalSettings::self()->showEmoticons() ?
                           LinkLocator::ReplaceSmileys : 0 );
       headerStr += TQString("<div dir=\"%1\">%2</div>\n")
-                        .arg(subjectDir)
-                        .arg(message->subject().isEmpty()?
+                        .tqarg(subjectDir)
+                        .tqarg(message->subject().isEmpty()?
                              i18n("No Subject") :
                              strToHtml( message->subject(), flags ));
     }
@@ -755,11 +755,11 @@ namespace KMail {
         fromStr = message->fromStrip(); // let's use that
       headerStr += TQString("<tr><th>%1</th>\n"
                            "<td>")
-                           .arg(i18n("From: "))
+                           .tqarg(i18n("From: "))
                  + KMMessage::emailAddrAsAnchor( fromStr, false )
                  + ( !message->headerField( "Resent-From" ).isEmpty() ? "&nbsp;"
                                 + i18n("(resent from %1)")
-                                  .arg( KMMessage::emailAddrAsAnchor(
+                                  .tqarg( KMMessage::emailAddrAsAnchor(
                                     message->headerField( "Resent-From" ),false) )
                               : TQString("") )
                  + ( !vCardName.isEmpty() ? "&nbsp;&nbsp;<a href=\"" + vCardName + "\">"
@@ -781,37 +781,37 @@ namespace KMail {
     if ( strategy->showHeader( "to" ) )
       headerStr.append(TQString("<tr><th>%1</th>\n"
                                "<td>%2</td></tr>\n")
-                       .arg(i18n("To: "))
-                       .arg(KMMessage::emailAddrAsAnchor(message->to(),false)));
+                       .tqarg(i18n("To: "))
+                       .tqarg(KMMessage::emailAddrAsAnchor(message->to(),false)));
 
     // cc line, if any
     if ( strategy->showHeader( "cc" ) && !message->cc().isEmpty())
       headerStr.append(TQString("<tr><th>%1</th>\n"
                                "<td>%2</td></tr>\n")
-                       .arg(i18n("CC: "))
-                       .arg(KMMessage::emailAddrAsAnchor(message->cc(),false)));
+                       .tqarg(i18n("CC: "))
+                       .tqarg(KMMessage::emailAddrAsAnchor(message->cc(),false)));
 
     // Bcc line, if any
     if ( strategy->showHeader( "bcc" ) && !message->bcc().isEmpty())
       headerStr.append(TQString("<tr><th>%1</th>\n"
                                "<td>%2</td></tr>\n")
-                       .arg(i18n("BCC: "))
-                       .arg(KMMessage::emailAddrAsAnchor(message->bcc(),false)));
+                       .tqarg(i18n("BCC: "))
+                       .tqarg(KMMessage::emailAddrAsAnchor(message->bcc(),false)));
 
     if ( strategy->showHeader( "date" ) )
       headerStr.append(TQString("<tr><th>%1</th>\n"
                                "<td dir=\"%2\">%3</td></tr>\n")
-                       .arg(i18n("Date: "))
-                       .arg( directionOf( message->dateStr() ) )
-                       .arg(strToHtml(dateString)));
+                       .tqarg(i18n("Date: "))
+                       .tqarg( directionOf( message->dateStr() ) )
+                       .tqarg(strToHtml(dateString)));
 
     if ( GlobalSettings::self()->showUserAgent() ) {
       if ( strategy->showHeader( "user-agent" ) ) {
         if ( !message->headerField("User-Agent").isEmpty() ) {
           headerStr.append(TQString("<tr><th>%1</th>\n"
                                    "<td>%2</td></tr>\n")
-                           .arg(i18n("User-Agent: "))
-                           .arg( strToHtml( message->headerField("User-Agent") ) ) );
+                           .tqarg(i18n("User-Agent: "))
+                           .tqarg( strToHtml( message->headerField("User-Agent") ) ) );
         }
       }
 
@@ -819,8 +819,8 @@ namespace KMail {
         if ( !message->headerField("X-Mailer").isEmpty() ) {
           headerStr.append(TQString("<tr><th>%1</th>\n"
                                    "<td>%2</td></tr>\n")
-                           .arg(i18n("X-Mailer: "))
-                           .arg( strToHtml( message->headerField("X-Mailer") ) ) );
+                           .tqarg(i18n("X-Mailer: "))
+                           .tqarg( strToHtml( message->headerField("X-Mailer") ) ) );
         }
       }
     }
@@ -829,19 +829,19 @@ namespace KMail {
     /*    if( strategy->showHeader( "status" ) )
       headerStr.append( TQString( "<tr><th>%1</th>\n"
                                  "<td dir=\"%2\">%3</td></tr>\n")
-                                    .arg(i18n("Sender status: "))
-                                    .arg( directionOf( onlinetqStatus ) )
-                                    .arg(onlinetqStatus));
+                                    .tqarg(i18n("Sender status: "))
+                                    .tqarg( directionOf( onlinetqStatus ) )
+                                    .tqarg(onlinetqStatus));
     */
     headerStr.append( TQString("<tr><td colspan=\"2\"><div id=\"attachmentInjectionPoint\"></div></td></tr>" ) );
     headerStr.append(
           TQString( "</table></td><td align=\"center\" valign=\"top\">%1%2</td></tr></table>\n" )
-          .arg(timeHTML)
-          .arg(userHTML) );
+          .tqarg(timeHTML)
+          .tqarg(userHTML) );
 
     if ( !spamHTML.isEmpty() )
       headerStr.append( TQString( "<div class=\"spamheader\" dir=\"%1\"><b>%2</b>&nbsp;<span style=\"padding-left: 20px;\">%3</span></div>\n")
-                        .arg( subjectDir, i18n("Spam tqStatus:"), spamHTML ) );
+                        .tqarg( subjectDir, i18n("Spam tqStatus:"), spamHTML ) );
 
     headerStr += "</div>\n\n";
     return headerStr;
@@ -854,7 +854,7 @@ namespace KMail {
     buffer.open( IO_WriteOnly );
     image.save( &buffer, fmt );
     return TQString::tqfromLatin1("data:image/%1;base64,%2")
-           .arg( fmt, KCodecs::base64Encode( ba ) );
+           .tqarg( fmt, KCodecs::base64Encode( ba ).data() );
   }
 
 // #####################
@@ -901,7 +901,7 @@ namespace KMail {
 	// colors depend on if its encapsulated or not
         TQColor fontColor(TQt::white);
 	TQString linkColor = "class =\"white\"";
-	const TQColor activeColor = tqApp->palette().active().highlight();
+	const TQColor activeColor = tqApp->tqpalette().active().highlight();
 	TQColor activeColorDark = activeColor.dark(130);
         // reverse colors for encapsulated
         if( !topLevel ){
diff --git a/kmail/identitydialog.cpp b/kmail/identitydialog.cpp
index 1ec367ee..ca8fa8dc 100644
--- a/kmail/identitydialog.cpp
+++ b/kmail/identitydialog.cpp
@@ -527,7 +527,7 @@ void IdentityDialog::slotOk() {
     for ( TQStringList::const_iterator it = aliases.begin(), end = aliases.end() ; it != end ; ++it ) {
       if ( !isValidSimpleEmailAddress( *it ) ) {
         TQString errorMsg( simpleEmailAddressErrorMsg());
-        KMessageBox::sorry( this, errorMsg, i18n("Invalid Email Alias \"%1\"").arg( *it ) );
+        KMessageBox::sorry( this, errorMsg, i18n("Invalid Email Alias \"%1\"").tqarg( *it ) );
         return;
       }
     }
@@ -580,7 +580,7 @@ void IdentityDialog::slotOk() {
     }
 
     if ( err )
-      if ( KMessageBox::warningContinueCancel( this, msg.arg( email ),
+      if ( KMessageBox::warningContinueCancel( this, msg.tqarg( email ),
                                           i18n("Email Address Not Found in Key/Certificates"),
                                           KStdGuiItem::cont(), "warn_email_not_in_certificate" )
 	 != KMessageBox::Continue)
@@ -612,7 +612,7 @@ void IdentityDialog::slotOk() {
 
   void IdentityDialog::setIdentity( KPIM::Identity & ident ) {
 
-    setCaption( i18n("Edit Identity \"%1\"").arg( ident.identityName() ) );
+    setCaption( i18n("Edit Identity \"%1\"").tqarg( ident.identityName() ) );
 
     // "General" tab:
     mNameEdit->setText( ident.fullName() );
@@ -641,7 +641,7 @@ void IdentityDialog::slotOk() {
                                   "\"%1\" does not exist (anymore); "
                                   "therefore, the default sent-mail folder "
                                   "will be used.")
-                             .arg( ident.identityName() ) ) )
+                             .tqarg( ident.identityName() ) ) )
       mFccCombo->setFolder( kmkernel->sentFolder() );
     else
       mFccCombo->setFolder( ident.fcc() );
@@ -652,7 +652,7 @@ void IdentityDialog::slotOk() {
                                   "\"%1\" does not exist (anymore); "
                                   "therefore, the default drafts folder "
                                   "will be used.")
-                             .arg( ident.identityName() ) ) )
+                             .tqarg( ident.identityName() ) ) )
       mDraftsCombo->setFolder( kmkernel->draftsFolder() );
     else
       mDraftsCombo->setFolder( ident.drafts() );
@@ -663,14 +663,14 @@ void IdentityDialog::slotOk() {
                                   "\"%1\" does not exist (anymore); "
                                   "therefore, the default templates folder "
                                   "will be used.")
-                             .arg( ident.identityName() ) ) )
+                             .tqarg( ident.identityName() ) ) )
       mTemplatesCombo->setFolder( kmkernel->templatesFolder() );
     else
       mTemplatesCombo->setFolder( ident.templates() );
     
     // "Templates" tab:
     uint identity = ident.uoid();
-		TQString iid = TQString("IDENTITY_%1").arg( identity );
+		TQString iid = TQString("IDENTITY_%1").tqarg( identity );
 		Templates t( iid );
 		mCustom->setChecked(t.useCustomTemplates());
 		mWidget->loadFromIdentity( identity );
@@ -709,7 +709,7 @@ void IdentityDialog::slotOk() {
                      mTemplatesCombo->folder()->idString() : TQString() );
     // "Templates" tab:
     uint identity = ident.uoid();
-    TQString iid = TQString("IDENTITY_%1").arg( identity );
+    TQString iid = TQString("IDENTITY_%1").tqarg( identity );
     Templates t( iid );
 		kdDebug() << "use custom templates for identity " << identity << ": " << mCustom->isChecked() << endl;
 		t.setUseCustomTemplates(mCustom->isChecked());
diff --git a/kmail/identitylistview.cpp b/kmail/identitylistview.cpp
index 319bd32a..695c8da7 100644
--- a/kmail/identitylistview.cpp
+++ b/kmail/identitylistview.cpp
@@ -83,7 +83,7 @@ namespace KMail {
       setText( 0, i18n("%1: identity name. Used in the config "
 		       "dialog, section Identity, to indicate the "
 		       "default identity", "%1 (Default)")
-	       .arg( ident.identityName() ) );
+	       .tqarg( ident.identityName() ) );
     else
       setText( 0, ident.identityName() );
     setText( 1, ident.fullEmailAddr() );
diff --git a/kmail/imapaccountbase.cpp b/kmail/imapaccountbase.cpp
index 04dc2933..84da936e 100644
--- a/kmail/imapaccountbase.cpp
+++ b/kmail/imapaccountbase.cpp
@@ -318,7 +318,7 @@ namespace KMail {
     mSlave = KIO::Scheduler::getConnectedSlave( getUrl(), slaveConfig() );
     if ( !mSlave ) {
       KMessageBox::error(0, i18n("Could not start process for %1.")
-			 .arg( getUrl().protocol() ) );
+			 .tqarg( getUrl().protocol() ) );
       return Error;
     }
     if ( mSlave->isConnected() ) {
@@ -400,7 +400,7 @@ namespace KMail {
     if (job->error())
     {
       if ( !(*it).quiet )
-        handleJobError( job, i18n( "Error while trying to subscribe to %1:" ).arg( path ) + '\n' );
+        handleJobError( job, i18n( "Error while trying to subscribe to %1:" ).tqarg( path ) + '\n' );
       emit subscriptionChangeFailed( job->errorString() );
       // ## emit subscriptionChanged here in case anyone needs it to support continue/cancel
     }
@@ -735,7 +735,7 @@ namespace KMail {
       if ( !done ) {
         TQString msg = i18n("KMail has detected a prefix entry in the "
             "configuration of the account \"%1\" which is obsolete with the "
-            "support of IMAP namespaces.").arg( name() );
+            "support of IMAP namespaces.").tqarg( name() );
         if ( list.tqcontains( "" ) ) {
           // replace empty entry with the old prefix
           list.remove( "" );
@@ -879,13 +879,13 @@ namespace KMail {
     KMMessage* msg = jd.msgList.first();
     // Use double-quotes around the subject to keep the sentence readable,
     // but don't use double quotes around the sender since from() might return a double-quoted name already
-    const TQString subject = msg->subject().isEmpty() ? i18n( "<unknown>" ) : TQString("\"%1\"").arg( msg->subject() );
+    const TQString subject = msg->subject().isEmpty() ? i18n( "<unknown>" ) : TQString("\"%1\"").tqarg( msg->subject() );
     const TQString from = msg->from().isEmpty() ? i18n( "<unknown>" ) : msg->from();
     TQString myError = "<p><b>" + i18n("Error while uploading message")
       + "</b></p><p>"
-      + i18n("Could not upload the message dated %1 from <i>%2</i> with subject <i>%3</i> to the server.").arg( msg->dateStr(), TQStyleSheet::escape( from ), TQStyleSheet::escape( subject ) )
+      + i18n("Could not upload the message dated %1 from <i>%2</i> with subject <i>%3</i> to the server.").tqarg( msg->dateStr(), TQStyleSheet::escape( from ), TQStyleSheet::escape( subject ) )
       + "</p><p>"
-      + i18n("The destination folder was: <b>%1</b>.").arg( TQStyleSheet::escape( folder->prettyURL() ) )
+      + i18n("The destination folder was: <b>%1</b>.").tqarg( TQStyleSheet::escape( folder->prettyURL() ) )
       + "</p><p>"
       + i18n("The server reported:") + "</p>";
     return handleJobError( job, myError );
@@ -908,7 +908,7 @@ namespace KMail {
           }
           readOnly = folder->isReadOnly();
       }
-      error = i18n("The folder is too close to its quota limit. (%1)").arg( quotaAsString );
+      error = i18n("The folder is too close to its quota limit. (%1)").tqarg( quotaAsString );
       if ( readOnly ) {
           error += i18n("\nSince you do not have write privileges on this folder, "
                         "please ask the owner of the folder to free up some space in it.");
@@ -958,19 +958,19 @@ namespace KMail {
         if ( errorCode == KIO::ERR_SERVER_TIMEOUT || errorCode == KIO::ERR_CONNECTION_BROKEN ) {
           msg = i18n("The connection to the server %1 was unexpectedly closed or timed out. It will be re-established automatically if possible.").
             arg( name() );
-          KMessageBox::information( kapp->activeWindow(), msg, caption, "kmailConnectionBrokenErrorDialog" );
+          KMessageBox::information( TQT_TQWIDGET(kapp->activeWindow()), msg, caption, "kmailConnectionBrokenErrorDialog" );
           // Show it in the status bar, in case the user has ticked "don't show again"
           if ( errorCode == KIO::ERR_CONNECTION_BROKEN )
             KPIM::BroadcastqStatus::instance()->seStatusMsg(
-                i18n(  "The connection to account %1 was broken." ).arg( name() ) );
+                i18n(  "The connection to account %1 was broken." ).tqarg( name() ) );
           else if ( errorCode == KIO::ERR_SERVER_TIMEOUT )
             KPIM::BroadcastqStatus::instance()->seStatusMsg(
-                i18n(  "The connection to account %1 timed out." ).arg( name() ) );
+                i18n(  "The connection to account %1 timed out." ).tqarg( name() ) );
         } else {
           if ( !errors.isEmpty() )
-              KMessageBox::detailedError( kapp->activeWindow(), msg, errors.join("\n").prepend("<qt>"), caption );
+              KMessageBox::detailedError( TQT_TQWIDGET(kapp->activeWindow()), msg, errors.join("\n").prepend("<qt>"), caption );
           else
-              KMessageBox::error( kapp->activeWindow(), msg, caption );
+              KMessageBox::error( TQT_TQWIDGET(kapp->activeWindow()), msg, caption );
           }
       } else { // i.e. we have a chance to continue, ask the user about it
         if ( errors.count() >= 3 ) { // there is no detailedWarningContinueCancel... (#86517)
@@ -978,7 +978,7 @@ namespace KMail {
           msg = TQString( "<qt>") + context + error + '\n' + errors[2];
           caption = errors[0];
         }
-        int ret = KMessageBox::warningContinueCancel( kapp->activeWindow(), msg, caption );
+        int ret = KMessageBox::warningContinueCancel( TQT_TQWIDGET(kapp->activeWindow()), msg, caption );
         if ( ret == KMessageBox::Cancel ) {
           jobsKilled = true;
           killAllJobs( false );
@@ -1418,7 +1418,7 @@ namespace KMail {
 
   bool ImapAccountBase::locallySubscribedTo( const TQString& imapPath )
   {
-      return mLocalSubscriptionBlackList.tqfind( imapPath ) == mLocalSubscriptionBlackList.end();
+      return mLocalSubscriptionBlackList.find( imapPath ) == mLocalSubscriptionBlackList.end();
   }
 
   void ImapAccountBase::changeLocalSubscription( const TQString& imapPath, bool subscribe )
diff --git a/kmail/imapjob.cpp b/kmail/imapjob.cpp
index fe773a9d..be94557d 100644
--- a/kmail/imapjob.cpp
+++ b/kmail/imapjob.cpp
@@ -140,10 +140,10 @@ void ImapJob::init( JobType jt, TQString sets, KMFolderImap* folder,
       for ( char *ch = cstr.data(); *ch; ch++ )
       {
         if ( *ch == '\n' && (prevChar != '\r') ) {
-          jd.data.at( i ) = '\r';
+          jd.data.tqat( i ) = '\r';
           i++;
         }
-        jd.data.at( i ) = *ch;
+        jd.data.tqat( i ) = *ch;
         prevChar = *ch;
         i++;
       }
@@ -191,7 +191,7 @@ void ImapJob::init( JobType jt, TQString sets, KMFolderImap* folder,
                           "ImapJobCopyMove"+ProgressManager::getUniqueID(),
                           i18n("Server operation"),
                           i18n("Source folder: %1 - Destination folder: %2")
-                            .arg( TQStyleSheet::escape( msg_tqparent->prettyURL() ),
+                            .tqarg( TQStyleSheet::escape( msg_tqparent->prettyURL() ),
                                   TQStyleSheet::escape( mDestFolder->prettyURL() ) ),
                           true,
                           account->useSSL() || account->useTLS() );
@@ -598,7 +598,7 @@ void ImapJob::slotCopyMessageInfoData(KIO::Job * job, const TQString & data)
     for ( msg = (*it).msgList.first(); msg; msg = (*it).msgList.next() )
     {
       ulong uid = msg->UID();
-      index = olduids.findIndex(uid);
+      index = olduids.tqfindIndex(uid);
       if (index > -1)
       {
         // found, get the new uid
diff --git a/kmail/importjob.cpp b/kmail/importjob.cpp
index f7c44d19..9aaf4b95 100644
--- a/kmail/importjob.cpp
+++ b/kmail/importjob.cpp
@@ -78,7 +78,7 @@ void KMail::ImportJob::finish()
   mProgressItem->setComplete();
   mProgressItem = 0;
   TQString text = i18n( "Importing the archive file '%1' into the folder '%2' succeeded." )
-                     .arg( mArchiveFile.path() ).arg( mRootFolder->name() );
+                     .tqarg( mArchiveFile.path() ).tqarg( mRootFolder->name() );
   text += "\n" + i18n( "1 message was imported.", "%n messages were imported.", mNumberOfImportedMessages );
   KMessageBox::information( mParentWidget, text, i18n( "Import finished." ) );
   deleteLater();
@@ -95,7 +95,7 @@ void KMail::ImportJob::abort( const TQString &errorMessage )
     return;
 
   mAborted = true;
-  TQString text = i18n( "Failed to import the archive into folder '%1'." ).arg( mRootFolder->name() );
+  TQString text = i18n( "Failed to import the archive into folder '%1'." ).tqarg( mRootFolder->name() );
   text += "\n" + errorMessage;
   if ( mProgressItem ) {
     mProgressItem->setComplete();
@@ -111,7 +111,7 @@ KMFolder * KMail::ImportJob::createSubFolder( KMFolder *tqparent, const TQString
   KMFolder *newFolder = FolderUtil::createSubFolder( tqparent, tqparent->child(), folderName, TQString(),
                                                      KMFolderTypeMaildir );
   if ( !newFolder ) {
-    abort( i18n( "Unable to create subfolder for folder '%1'." ).arg( tqparent->name() ) );
+    abort( i18n( "Unable to create subfolder for folder '%1'." ).tqarg( tqparent->name() ) );
     return 0;
   }
   else {
@@ -207,11 +207,11 @@ void KMail::ImportJob::importNextMessage()
     }
     mCurrentFolder = folder;
     if ( mCurrentFolder->open( "ImportJob" ) != 0 ) {
-      abort( i18n( "Unable to open folder '%1'." ).arg( mCurrentFolder->name() ) );
+      abort( i18n( "Unable to open folder '%1'." ).tqarg( mCurrentFolder->name() ) );
       return;
     }
     kdDebug(5006) << "importNextMessage(): Current folder of queue is now: " << mCurrentFolder->name() << endl;
-    mProgressItem->setqStatus( i18n( "Importing folder %1" ).arg( mCurrentFolder->name() ) );
+    mProgressItem->setqStatus( i18n( "Importing folder %1" ).tqarg( mCurrentFolder->name() ) );
   }
 
   mProgressItem->setProgress( ( mProgressItem->progress() + 5 ) );
@@ -231,7 +231,7 @@ void KMail::ImportJob::importNextMessage()
   // uploaded.
   if ( mCurrentFolder->folderType() != KMFolderTypeImap ) {
     if ( mCurrentFolder->addMsg( mCurrentMessage, &retIndex ) != 0 ) {
-      abort( i18n( "Failed to add a message to the folder '%1'." ).arg( mCurrentFolder->name() ) );
+      abort( i18n( "Failed to add a message to the folder '%1'." ).tqarg( mCurrentFolder->name() ) );
       return;
     }
     messageAdded();
@@ -284,7 +284,7 @@ KMFolder* KMail::ImportJob::getOrCreateSubFolder( KMFolder *tqparentFolder, cons
                                            mode_t subFolderPermissions )
 {
   if ( !tqparentFolder->createChildFolder() ) {
-    abort( i18n( "Unable to create subfolder for folder '%1'." ).arg( tqparentFolder->name() ) );
+    abort( i18n( "Unable to create subfolder for folder '%1'." ).tqarg( tqparentFolder->name() ) );
     return 0;
   }
 
@@ -334,7 +334,7 @@ void KMail::ImportJob::importNextDirectory()
 
         const TQString folderName = folderNameForDirectoryName( entry->name() );
         if ( folderName.isEmpty() ) {
-          abort( i18n( "Unexpected subdirectory named '%1'." ).arg( entry->name() ) );
+          abort( i18n( "Unexpected subdirectory named '%1'." ).tqarg( entry->name() ) );
           return;
         }
         KMFolder *subFolder = getOrCreateSubFolder( currentFolder, folderName, entry->permissions() );
@@ -368,12 +368,12 @@ void KMail::ImportJob::start()
   else if ( !mimeType->patterns().grep( "zip", false ).isEmpty() )
     mArchive = new KZip( mArchiveFile.path() );
   else {
-    abort( i18n( "The file '%1' does not appear to be a valid archive." ).arg( mArchiveFile.path() ) );
+    abort( i18n( "The file '%1' does not appear to be a valid archive." ).tqarg( mArchiveFile.path() ) );
     return;
   }
 
   if ( !mArchive->open( IO_ReadOnly ) ) {
-    abort( i18n( "Unable to open archive file '%1'" ).arg( mArchiveFile.path() ) );
+    abort( i18n( "Unable to open archive file '%1'" ).tqarg( mArchiveFile.path() ) );
     return;
   }
 
diff --git a/kmail/index.cpp b/kmail/index.cpp
index f824880f..a71d27e9 100644
--- a/kmail/index.cpp
+++ b/kmail/index.cpp
@@ -219,9 +219,9 @@ void KMMsgIndex::setIndexingEnabled( KMFolder* folder, bool e ) {
 				// create() will notice that folder is disabled
 				break;
 			case s_creating:
-				if ( std::tqfind( mPendingFolders.begin(), mPendingFolders.end(), folder ) != mPendingFolders.end() ) {
+				if ( std::find( mPendingFolders.begin(), mPendingFolders.end(), folder ) != mPendingFolders.end() ) {
 					// easy:
-					mPendingFolders.erase( std::tqfind( mPendingFolders.begin(), mPendingFolders.end(), folder ) );
+					mPendingFolders.erase( std::find( mPendingFolders.begin(), mPendingFolders.end(), folder ) );
 					break;
 				}
 				//else  fall-through
@@ -433,7 +433,7 @@ bool KMMsgIndex::startQuery( KMSearch* s ) {
 //}
 
 void KMMsgIndex::removeSearch( TQObject* destroyed ) {
-	mSearches.erase( std::tqfind( mSearches.begin(), mSearches.end(), destroyed ) );
+	mSearches.erase( std::find( mSearches.begin(), mSearches.end(), destroyed ) );
 }
 
 
@@ -550,7 +550,7 @@ void KMMsgIndex::Search::act() {
 			TQString terms;
 			for ( KMSearchRule* rule = pat->first(); rule; rule = pat->next() ) {
 				Q_ASSERT( rule->function() == KMSearchRule::FuncContains );
-				terms += TQString::tqfromLatin1( " %1 " ).arg( rule->contents() );
+				terms += TQString::tqfromLatin1( " %1 " ).tqarg( rule->contents() );
 			}
 
 			mValues = kmkernel->msgIndex()->simpleSearch( terms, 0  );
diff --git a/kmail/interfaces/bodypart.h b/kmail/interfaces/bodypart.h
index 251d61af..43490632 100644
--- a/kmail/interfaces/bodypart.h
+++ b/kmail/interfaces/bodypart.h
@@ -34,8 +34,9 @@
 #ifndef __KMAIL_INTERFACES_BODYPART_H__
 #define __KMAIL_INTERFACES_BODYPART_H__
 
+#include <tqcstring.h>
+
 template <typename T> class TQMemArray;
-typedef TQMemArray<char> TQByteArray;
 class TQString;
 
 namespace KMail {
diff --git a/kmail/keyresolver.cpp b/kmail/keyresolver.cpp
index bd4d4a51..2135a9e7 100644
--- a/kmail/keyresolver.cpp
+++ b/kmail/keyresolver.cpp
@@ -308,7 +308,7 @@ static std::vector<GpgME::Key> trustedOrConfirmed( const std::vector<GpgME::Key>
              "for encryption.")
       : i18n("One or more of the OpenPGP encryption keys or S/MIME "
              "certificates for recipient \"%1\" is not fully trusted "
-             "for encryption.").arg(address) ;
+             "for encryption.").tqarg(address) ;
 
   if ( !fishies.empty() ) {
     // certificates can't have marginal trust
@@ -651,7 +651,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
                      "<p>expired less than a day ago.</p>",
                      "<p>The OpenPGP key for</p><p align=center><b>%1</b> (KeyID 0x%2)</p>"
                      "<p>expired %n days ago.</p>",
-                     daysSinceExpiry ) ).arg( TQString::fromUtf8( key.userID(0).id() ),
+                     daysSinceExpiry ) ).tqarg( TQString::fromUtf8( key.userID(0).id() ),
 					 key.shortKeyID() )
           : ( ca
               ? ( key.isRoot()
@@ -698,7 +698,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
                              "<p>The intermediate CA certificate</p><p align=center><b>%3</b></p>"
                              "<p>for S/MIME certificate</p><p align=center><b>%1</b> (serial number %2)</p>"
                              "<p>expired %n days ago.</p>",
-                             daysSinceExpiry ) ) ).arg( Kleo::DN( orig.userID(0).id() ).prettyDN(),
+                             daysSinceExpiry ) ) ).tqarg( Kleo::DN( orig.userID(0).id() ).prettyDN(),
                                                        orig.issuerSerial(),
                                                        Kleo::DN( key.userID(0).id() ).prettyDN() )
               : ( mine ? sign
@@ -716,7 +716,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
                          "<p>expired less than a day ago.</p>",
                          "<p>The S/MIME certificate for</p><p align=center><b>%1</b> (serial number %2)</p>"
                          "<p>expired %n days ago.</p>",
-                         daysSinceExpiry ) ).arg( Kleo::DN( key.userID(0).id() ).prettyDN(),
+                         daysSinceExpiry ) ).tqarg( Kleo::DN( key.userID(0).id() ).prettyDN(),
                                                  key.issuerSerial() ) );
       d->alreadyWarnedFingerprints.insert( subkey.fingerprint() );
       if ( KMessageBox::warningContinueCancel( 0, msg,
@@ -759,7 +759,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
 		 "<p>expires in less than a day.</p>",
 		 "<p>The OpenPGP key for</p><p align=center><b>%1</b> (KeyID 0x%2)</p>"
 		 "<p>expires in less than %n days.</p>",
-		 daysTillExpiry ) ).arg( TQString::fromUtf8( key.userID(0).id() ),
+		 daysTillExpiry ) ).tqarg( TQString::fromUtf8( key.userID(0).id() ),
 					 key.shortKeyID() )
       : ( ca
 	  ? ( key.isRoot()
@@ -806,7 +806,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
 			 "<p>The intermediate CA certificate</p><p align=center><b>%3</b></p>"
 			 "<p>for S/MIME certificate</p><p align=center><b>%1</b> (serial number %2)</p>"
 			 "<p>expires in less than %n days.</p>",
-			 daysTillExpiry ) ) ).arg( Kleo::DN( orig.userID(0).id() ).prettyDN(),
+			 daysTillExpiry ) ) ).tqarg( Kleo::DN( orig.userID(0).id() ).prettyDN(),
 						   orig.issuerSerial(),
 						   Kleo::DN( key.userID(0).id() ).prettyDN() )
 	  : ( mine ? sign
@@ -824,7 +824,7 @@ Kpgp::Result Kleo::KeyResolver::checkKeyNearExpiry( const GpgME::Key & key, cons
 		     "<p>expires in less than a day.</p>",
 		     "<p>The S/MIME certificate for</p><p align=center><b>%1</b> (serial number %2)</p>"
 		     "<p>expires in less than %n days.</p>",
-		     daysTillExpiry ) ).arg( Kleo::DN( key.userID(0).id() ).prettyDN(),
+		     daysTillExpiry ) ).tqarg( Kleo::DN( key.userID(0).id() ).prettyDN(),
 					     key.issuerSerial() ) );
     d->alreadyWarnedFingerprints.insert( subkey.fingerprint() );
     if ( KMessageBox::warningContinueCancel( 0, msg,
@@ -1370,7 +1370,7 @@ void Kleo::KeyResolver::collapseAllSplitInfos() {
   dump();
   for ( unsigned int i = 0 ; i < numConcreteCryptoMessageFormats ; ++i ) {
     std::map<CryptoMessageFormat,FormatInfo>::iterator pos =
-      d->mFormatInfoMap.tqfind( concreteCryptoMessageFormats[i] );
+      d->mFormatInfoMap.find( concreteCryptoMessageFormats[i] );
     if ( pos == d->mFormatInfoMap.end() )
       continue;
     std::vector<SplitInfo> & v = pos->second.splitInfos;
@@ -1394,7 +1394,7 @@ void Kleo::KeyResolver::addToAllSplitInfos( const std::vector<GpgME::Key> & keys
     if ( !( f & concreteCryptoMessageFormats[i] ) )
       continue;
     std::map<CryptoMessageFormat,FormatInfo>::iterator pos =
-      d->mFormatInfoMap.tqfind( concreteCryptoMessageFormats[i] );
+      d->mFormatInfoMap.find( concreteCryptoMessageFormats[i] );
     if ( pos == d->mFormatInfoMap.end() )
       continue;
     std::vector<SplitInfo> & v = pos->second.splitInfos;
@@ -1422,7 +1422,7 @@ void Kleo::KeyResolver::dump() const {
 	std::cerr << kit->shortKeyID() << " ";
       std::cerr << std::endl
 		<< "  SplitInfo #" << i << " recipients: "
-		<< sit->recipients.join(", ").utf8() << std::endl;
+		<< sit->recipients.join(", ").utf8().data() << std::endl;
     }
   }
 #endif
@@ -1560,14 +1560,14 @@ Kpgp::Result Kleo::KeyResolver::showKeyApprovalDialog() {
 std::vector<Kleo::KeyResolver::SplitInfo> Kleo::KeyResolver::encryptionItems( Kleo::CryptoMessageFormat f ) const {
   dump();
   std::map<CryptoMessageFormat,FormatInfo>::const_iterator it =
-    d->mFormatInfoMap.tqfind( f );
+    d->mFormatInfoMap.find( f );
   return it != d->mFormatInfoMap.end() ? it->second.splitInfos : std::vector<SplitInfo>() ;
 }
 
 std::vector<GpgME::Key> Kleo::KeyResolver::signingKeys( CryptoMessageFormat f ) const {
   dump();
   std::map<CryptoMessageFormat,FormatInfo>::const_iterator it =
-    d->mFormatInfoMap.tqfind( f );
+    d->mFormatInfoMap.find( f );
   return it != d->mFormatInfoMap.end() ? it->second.signKeys : std::vector<GpgME::Key>() ;
 }
 
@@ -1628,7 +1628,7 @@ std::vector<GpgME::Key> Kleo::KeyResolver::getEncryptionKeys( const TQString & p
               "There is a problem with the "
               "encryption certificate(s) for \"%1\".\n\n"
               "Please re-select the certificate(s) which should "
-              "be used for this recipient.").arg(person),
+              "be used for this recipient.").tqarg(person),
             keys );
       }
       bool canceled = false;
@@ -1680,13 +1680,13 @@ std::vector<GpgME::Key> Kleo::KeyResolver::getEncryptionKeys( const TQString & p
               "Select the certificate(s) which should "
               "be used for this recipient. If there is no suitable certificate in the list "
               "you can also search for external certificates by clicking the button: search for external certificates.</qt>")
-             .arg( TQStyleSheet::escape(person) )
+             .tqarg( TQStyleSheet::escape(person) )
           : i18n("if in your language something like "
               "'certificate(s)' isn't possible please "
               "use the plural in the translation",
               "More than one certificate matches \"%1\".\n\n"
               "Select the certificate(s) which should "
-              "be used for this recipient.").arg( TQStyleSheet::escape(person) ),
+              "be used for this recipient.").tqarg( TQStyleSheet::escape(person) ),
           matchingKeys ), address, canceled );
   // we can ignore 'canceled' here, since trustedOrConfirmed() returns
   // an empty vector when canceled == true, and we'd just do the same
@@ -1765,7 +1765,7 @@ void Kleo::KeyResolver::addKeys( const std::vector<Item> & items ) {
 Kleo::KeyResolver::ContactPreferences Kleo::KeyResolver::lookupContactPreferences( const TQString& address ) const
 {
   const Private::ContactPreferencesMap::iterator it =
-    d->mContactPreferencesMap.tqfind( address );
+    d->mContactPreferencesMap.find( address );
   if ( it != d->mContactPreferencesMap.end() )
     return it->second;
 
@@ -1797,7 +1797,7 @@ void Kleo::KeyResolver::saveContactPreference( const TQString& email, const Cont
   KABC::Addressee addr;
   if ( res.isEmpty() ) {
      bool ok = true;
-     TQString fullName = KInputDialog::getText( i18n( "Name Selection" ), i18n( "Which name shall the contact '%1' have in your addressbook?" ).arg( email ), TQString(), &ok );
+     TQString fullName = KInputDialog::getText( i18n( "Name Selection" ), i18n( "Which name shall the contact '%1' have in your addressbook?" ).tqarg( email ), TQString(), &ok );
     if ( ok ) {
       addr.setNameFromString( fullName );
       addr.insertEmail( email, true );
diff --git a/kmail/kmaccount.cpp b/kmail/kmaccount.cpp
index eebe99f7..6c7950ae 100644
--- a/kmail/kmaccount.cpp
+++ b/kmail/kmaccount.cpp
@@ -46,7 +46,7 @@ KMPrecommand::KMPrecommand(const TQString &precommand, TQObject *tqparent)
   : TQObject(tqparent), mPrecommand(precommand)
 {
   BroadcastqStatus::instance()->seStatusMsg(
-      i18n("Executing precommand %1").arg(precommand ));
+      i18n("Executing precommand %1").tqarg(precommand ));
 
   mPrecommandProcess.setUseShell(true);
   mPrecommandProcess << precommand;
@@ -66,7 +66,7 @@ bool KMPrecommand::start()
 {
   bool ok = mPrecommandProcess.start( KProcess::NotifyOnExit );
   if (!ok) KMessageBox::error(0, i18n("Could not execute precommand '%1'.")
-    .arg(mPrecommand));
+    .tqarg(mPrecommand));
   return ok;
 }
 
@@ -77,7 +77,7 @@ void KMPrecommand::precommandExited(KProcess *p)
   int exitCode = p->normalExit() ? p->exitStatus() : -1;
   if (exitCode)
     KMessageBox::error(0, i18n("The precommand exited with code %1:\n%2")
-      .arg(exitCode).arg(strerror(exitCode)));
+      .tqarg(exitCode).tqarg(strerror(exitCode)));
   emit finished(!exitCode);
 }
 
@@ -378,7 +378,7 @@ bool KMAccount::runPrecommand(const TQString &precommand)
   KMPrecommand precommandProcess(precommand, this);
 
   BroadcastqStatus::instance()->seStatusMsg(
-      i18n("Executing precommand %1").arg(precommand ));
+      i18n("Executing precommand %1").tqarg(precommand ));
 
   connect(&precommandProcess, TQT_SIGNAL(finished(bool)),
           TQT_SLOT(precommandExited(bool)));
diff --git a/kmail/kmacctimap.cpp b/kmail/kmacctimap.cpp
index 6942bab5..b16dc0b3 100644
--- a/kmail/kmacctimap.cpp
+++ b/kmail/kmacctimap.cpp
@@ -69,7 +69,7 @@ KMAcctImap::KMAcctImap(AccountManager* aOwner, const TQString& aAccountName, uin
   connect(&mErrorTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotResetConnectionError()));
 
   TQString serNumUri = locateLocal( "data", "kmail/unfiltered." +
-				   TQString("%1").arg(KAccount::id()) );
+				   TQString("%1").tqarg(KAccount::id()) );
   KConfig config( serNumUri );
   TQStringList serNums = config.readListEntry( "unfiltered" );
   mFilterSerNumsToSave.setAutoDelete( false );
@@ -88,7 +88,7 @@ KMAcctImap::~KMAcctImap()
   killAllJobs( true );
 
   TQString serNumUri = locateLocal( "data", "kmail/unfiltered." +
-				   TQString("%1").arg(KAccount::id()) );
+				   TQString("%1").tqarg(KAccount::id()) );
   KConfig config( serNumUri );
   TQStringList serNums;
   TQDictIterator<int> it( mFilterSerNumsToSave );
@@ -297,7 +297,7 @@ void KMAcctImap::processNewMail(bool interactive)
   mMailCheckProgressItem =
     ProgressManager::createProgressItem(
         "MailCheckAccount" + name(),
-        i18n("Checking account: %1" ).arg( TQStyleSheet::escape( name() ) ),
+        i18n("Checking account: %1" ).tqarg( TQStyleSheet::escape( name() ) ),
         TQString(), // status
         true, // can be canceled
         useSSL() || useTLS() );
@@ -434,7 +434,7 @@ void KMAcctImap::postProcessNewMail( KMFolder * folder )
     // It's possible that the message has been deleted or moved into a
     // different folder, or that the serNum is stale
     if ( !folder ) {
-      mFilterSerNumsToSave.remove( TQString( "%1" ).arg( *filterIt ) );
+      mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( *filterIt ) );
       ++filterIt;
       continue;
     }
@@ -443,7 +443,7 @@ void KMAcctImap::postProcessNewMail( KMFolder * folder )
     if (!imapFolder ||
 	!imapFolder->folder()->isSystemFolder() ||
         !(imapFolder->imapPath() == "/INBOX/") ) { // sanity checking
-      mFilterSerNumsToSave.remove( TQString( "%1" ).arg( *filterIt ) );
+      mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( *filterIt ) );
       ++filterIt;
       continue;
     }
@@ -452,7 +452,7 @@ void KMAcctImap::postProcessNewMail( KMFolder * folder )
 
       msg = folder->getMsg( idx );
       if (!msg) { // sanity checking
-        mFilterSerNumsToSave.remove( TQString( "%1" ).arg( *filterIt ) );
+        mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( *filterIt ) );
         ++filterIt;
         continue;
       }
@@ -473,7 +473,7 @@ void KMAcctImap::postProcessNewMail( KMFolder * folder )
 		  TQT_SLOT(slotFilterMsg(KMMessage*)));
 	  job->start();
 	} else {
-	  mFilterSerNumsToSave.remove( TQString( "%1" ).arg( *filterIt ) );
+	  mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( *filterIt ) );
 	  if (slotFilterMsg(msg) == 2) break;
 	}
       }
@@ -498,7 +498,7 @@ void KMAcctImap::postProcessNewMail( KMFolder * folder )
 //-----------------------------------------------------------------------------
 void KMAcctImap::slotFiltered(TQ_UINT32 serNum)
 {
-    mFilterSerNumsToSave.remove( TQString( "%1" ).arg( serNum ) );
+    mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( serNum ) );
 }
 
 //-----------------------------------------------------------------------------
@@ -584,7 +584,7 @@ void KMAcctImap::execFilters(TQ_UINT32 serNum)
   if ( findIt != mFilterSerNums.end() )
       return;
   mFilterSerNums.append( serNum );
-  mFilterSerNumsToSave.insert( TQString( "%1" ).arg( serNum ), (const int *)1 );
+  mFilterSerNumsToSave.insert( TQString( "%1" ).tqarg( serNum ), (const int *)1 );
 }
 
 int KMAcctImap::slotFilterMsg( KMMessage *msg )
@@ -596,7 +596,7 @@ int KMAcctImap::slotFilterMsg( KMMessage *msg )
   msg->setTransferInProgress(false);
   TQ_UINT32 serNum = msg->getMsgSerNum();
   if ( serNum )
-    mFilterSerNumsToSave.remove( TQString( "%1" ).arg( serNum ) );
+    mFilterSerNumsToSave.remove( TQString( "%1" ).tqarg( serNum ) );
 
   int filterResult = kmkernel->filterMgr()->process(msg,
 						    KMFilterMgr::Inbound,
diff --git a/kmail/kmacctlocal.cpp b/kmail/kmacctlocal.cpp
index 6062f354..5c842b1d 100644
--- a/kmail/kmacctlocal.cpp
+++ b/kmail/kmacctlocal.cpp
@@ -125,7 +125,7 @@ bool KMAcctLocal::preProcess()
 
   //BroadcastqStatus::instance()->reset();
   BroadcastqStatus::instance()->seStatusMsg(
-        i18n("Preparing transmission from \"%1\"...").arg(mName));
+        i18n("Preparing transmission from \"%1\"...").tqarg(mName));
 
 
   Q_ASSERT( !mMailCheckProgressItem );
@@ -133,7 +133,7 @@ bool KMAcctLocal::preProcess()
   mMailCheckProgressItem = KPIM::ProgressManager::createProgressItem(
     "MailCheck" + mName,
     escapedName,
-    i18n("Preparing transmission from \"%1\"...").arg( escapedName ),
+    i18n("Preparing transmission from \"%1\"...").tqarg( escapedName ),
     false, // cannot be canceled
     false ); // no tls/ssl
 
@@ -164,7 +164,7 @@ bool KMAcctLocal::preProcess()
     mMailFolder->close("acctlocalMail");
     checkDone( mHasNewMail, CheckError );
     TQString errMsg = i18n( "Transmission failed: Could not lock %1." )
-      .arg( mMailFolder->location() );
+      .tqarg( mMailFolder->location() );
     BroadcastqStatus::instance()->seStatusMsg( errMsg );
     return false;
   }
@@ -177,7 +177,7 @@ bool KMAcctLocal::preProcess()
 
   // prepare the static parts of the status message:
   mStatusMsgStub = i18n("Moving message %3 of %2 from %1.")
-    .arg(mMailFolder->location()).arg( mNumMsgs );
+    .tqarg(mMailFolder->location()).tqarg( mNumMsgs );
 
   //BroadcastqStatus::instance()->seStatusProgressEnable( "L" + mName, true );
   return true;
@@ -192,7 +192,7 @@ bool KMAcctLocal::fetchMsg()
   /* This causes mail eating
   if (kmkernel->mailCheckAborted()) break; */
 
-  const TQString statusMsg = mStatusMsgStub.arg( mMsgsFetched );
+  const TQString statusMsg = mStatusMsgStub.tqarg( mMsgsFetched );
   //BroadcastqStatus::instance()->seStatusMsg( statusMsg );
   mMailCheckProgressItem->incCompletedItems();
   mMailCheckProgressItem->updateProgress();
@@ -244,8 +244,8 @@ void KMAcctLocal::postProcess()
       KMessageBox::queuedMessageBox( 0, KMessageBox::Information,
                                      i18n( "<qt>Cannot remove mail from "
                                            "mailbox <b>%1</b>:<br>%2</qt>" )
-                                     .arg( mMailFolder->location() )
-                                     .arg( strerror( rc ) ) );
+                                     .tqarg( mMailFolder->location() )
+                                     .tqarg( strerror( rc ) ) );
     }
 
     if( mMailCheckProgressItem ) { // do this only once...
@@ -253,7 +253,7 @@ void KMAcctLocal::postProcess()
       mMailCheckProgressItem->setqStatus(
         i18n( "Fetched 1 message from mailbox %1.",
               "Fetched %n messages from mailbox %1.",
-              mNumMsgs ).arg( mMailFolder->location() ) );
+              mNumMsgs ).tqarg( mMailFolder->location() ) );
       mMailCheckProgressItem->setComplete();
       mMailCheckProgressItem = 0;
     }
diff --git a/kmail/kmacctmaildir.cpp b/kmail/kmacctmaildir.cpp
index 7b83dcf8..07391a58 100644
--- a/kmail/kmacctmaildir.cpp
+++ b/kmail/kmacctmaildir.cpp
@@ -107,14 +107,14 @@ void KMAcctMaildir::processNewMail(bool)
   }
 
   BroadcastqStatus::instance()->seStatusMsg(
-	i18n("Preparing transmission from \"%1\"...").arg(mName));
+	i18n("Preparing transmission from \"%1\"...").tqarg(mName));
 
   Q_ASSERT( !mMailCheckProgressItem );
   TQString escapedName = TQStyleSheet::escape( mName );
   mMailCheckProgressItem = KPIM::ProgressManager::createProgressItem(
     "MailCheck" + mName,
     escapedName,
-    i18n("Preparing transmission from \"%1\"...").arg( escapedName ),
+    i18n("Preparing transmission from \"%1\"...").tqarg( escapedName ),
     false, // cannot be canceled
     false ); // no tls/ssl
 
@@ -130,7 +130,7 @@ void KMAcctMaildir::processNewMail(bool)
   rc = mailFolder.open("acctmaildirMail");
   if (rc)
   {
-    TQString aStr = i18n("<qt>Cannot open folder <b>%1</b>.</qt>").arg( mailFolder.location() );
+    TQString aStr = i18n("<qt>Cannot open folder <b>%1</b>.</qt>").tqarg( mailFolder.location() );
     KMessageBox::sorry(0, aStr);
     kdDebug(5006) << "cannot open folder " << mailFolder.location() << endl;
     checkDone( hasNewMail, CheckError );
@@ -148,7 +148,7 @@ void KMAcctMaildir::processNewMail(bool)
 
   // prepare the static parts of the status message:
   TQString statusMsgStub = i18n("Moving message %3 of %2 from %1.")
-    .arg(mailFolder.location()).arg(num);
+    .tqarg(mailFolder.location()).tqarg(num);
 
   mMailCheckProgressItem->setTotalItems( num );
 
@@ -162,7 +162,7 @@ void KMAcctMaildir::processNewMail(bool)
     }
     if (!addedOk) break;
 
-    TQString statusMsg = statusMsgStub.arg(i);
+    TQString statusMsg = statusMsgStub.tqarg(i);
     mMailCheckProgressItem->incCompletedItems();
     mMailCheckProgressItem->updateProgress();
     mMailCheckProgressItem->setqStatus( statusMsg );
@@ -192,7 +192,7 @@ void KMAcctMaildir::processNewMail(bool)
     mMailCheckProgressItem->setqStatus(
       i18n( "Fetched 1 message from maildir folder %1.",
             "Fetched %n messages from maildir folder %1.",
-            num ).arg(mailFolder.location() ) );
+            num ).tqarg(mailFolder.location() ) );
 
     mMailCheckProgressItem->setComplete();
     mMailCheckProgressItem = 0;
diff --git a/kmail/kmail.kcfg b/kmail/kmail.kcfg
index 88370a45..52a30a4d 100644
--- a/kmail/kmail.kcfg
+++ b/kmail/kmail.kcfg
@@ -3,7 +3,7 @@
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
       http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
-  <include>qtextcodec.h</include>
+  <include>tqtextcodec.h</include>
   <include>kapplication.h</include>
   <kcfgfile name="kmailrc"/>
     <group name="Behaviour">
@@ -561,13 +561,13 @@
        <default>true</default>
      </entry>
      <entry name="ForegroundColor" type="Color" key="ForegroundColor">
-       <default code="true">kapp->palette().active().text()</default>
+       <default code="true">kapp->tqpalette().active().text()</default>
      </entry>
      <entry name="BackgroundColor" type="Color" key="BackgroundColor">
-       <default code="true">kapp->palette().active().base()</default>
+       <default code="true">kapp->tqpalette().active().base()</default>
      </entry>
      <entry name="FallbackCharacterEncoding" type="String" key="FallbackCharacterEncoding">
-       <default code="true"> QCString(QTextCodec::codecForLocale()->name()).lower() == "eucjp"? QCString("jis7") : QCString(QTextCodec::codecForLocale()->name()).lower()</default>
+       <default code="true"> TQCString(TQTextCodec::codecForLocale()->name()).lower() == "eucjp"? TQCString("jis7") : TQCString(TQTextCodec::codecForLocale()->name()).lower()</default>
        <label></label>
        <whatsthis>Some emails, especially those generated automatically, do not specify the character encoding which needs to be used to properly display them. In such cases a fallback character encoding will be used, which you can configure here. Set it to the character encoding most commonly used in your part of the world. As a default the encoding configured for the whole system is used.</whatsthis>
      </entry>
diff --git a/kmail/kmail_part.cpp b/kmail/kmail_part.cpp
index 70c90cb0..0a895d9b 100644
--- a/kmail/kmail_part.cpp
+++ b/kmail/kmail_part.cpp
@@ -100,7 +100,7 @@ KMailPart::KMailPart(TQWidget *tqparentWidget, const char *widgetName,
 
   // create a canvas to insert our widget
   TQWidget *canvas = new TQWidget(tqparentWidget, widgetName);
-  canvas->setFocusPolicy(TQWidget::ClickFocus);
+  canvas->setFocusPolicy(Qt::ClickFocus);
   setWidget(canvas);
   KGlobal::iconLoader()->addAppDir("kmail");
 #if 0
@@ -125,7 +125,7 @@ KMailPart::KMailPart(TQWidget *tqparentWidget, const char *widgetName,
                                  kapp->config());
   TQVBoxLayout *topLayout = new TQVBoxLayout(canvas);
   topLayout->addWidget(mainWidget);
-  mainWidget->setFocusPolicy(TQWidget::ClickFocus);
+  mainWidget->setFocusPolicy(Qt::ClickFocus);
   mStatusBar  = new KMailStatusBarExtension(this);
   mStatusBar->addStatusBarItem( mainWidget->vacationScriptIndicator(), 2, false );
 
diff --git a/kmail/kmailicalifaceimpl.cpp b/kmail/kmailicalifaceimpl.cpp
index 81237473..25a90fd7 100644
--- a/kmail/kmailicalifaceimpl.cpp
+++ b/kmail/kmailicalifaceimpl.cpp
@@ -682,8 +682,8 @@ static TQString subresourceLabelForPresentation( const KMFolder * folder )
         remainder.pop_front();
         remainder.pop_front();
         label = i18n("%1's %2")
-            .arg( parts[2] )
-            .arg( remainder.join( TQString::tqfromLatin1("/") ) );
+            .tqarg( parts[2] )
+            .tqarg( remainder.join( TQString::tqfromLatin1("/") ) );
     }
     // Another special case is our own folders, under the imap INBOX, make
     // those prettier too
@@ -698,15 +698,15 @@ static TQString subresourceLabelForPresentation( const KMFolder * folder )
           // Fix kolab issue 2531 folder->storage() )->account() can be null
           if( folder->storage() && static_cast<const KMFolderCachedImap*>( folder->storage() )->account() ) {
           label = i18n( "My %1 (%2)")
-              .arg( remainder.join( TQString::tqfromLatin1("/") ),
+              .tqarg( remainder.join( TQString::tqfromLatin1("/") ),
                     static_cast<const KMFolderCachedImap*>( folder->storage() )->account()->name() );
           } else {
             label = i18n("My %1")
-              .arg( remainder.join( TQString::tqfromLatin1("/") ) );
+              .tqarg( remainder.join( TQString::tqfromLatin1("/") ) );
           }
         } else {
           label = i18n("My %1")
-              .arg( remainder.join( TQString::tqfromLatin1("/") ) );
+              .tqarg( remainder.join( TQString::tqfromLatin1("/") ) );
         }
         break;
       }
@@ -1574,7 +1574,7 @@ void KMailICalIfaceImpl::triggerKolabFreeBusy( const KURL& folderURL )
     kdWarning() << "KCal::ResourceKolab::fromKMailFolderSynced path is too short: " << path << endl;
     return;
   }
-  if ( path.startsWith( "/INBOX/", false ) ) {
+  if ( path.tqstartsWith( "/INBOX/", false ) ) {
     // If INBOX, replace it with the username (which is user@domain)
     path = path.mid( secondSlash );
     path.prepend( folderURL.user() );
@@ -1776,7 +1776,7 @@ void KMailICalIfaceImpl::readConfig()
         // No subfolder was found, so ask if we can make them
         msg = i18n("KMail will now create the required groupware folders"
                    " as subfolders of %1; if you do not want this, cancel"
-                   " and the IMAP resource will be disabled").arg(tqparentFolderName);
+                   " and the IMAP resource will be disabled").tqarg(tqparentFolderName);
       } else {
         // Some subfolders were found, be more precise
         TQString operations = "<ul>";
@@ -1784,17 +1784,17 @@ void KMailICalIfaceImpl::readConfig()
           if ( i != KMail::ContentsTypeMail ) {
             TQString typeName = localizedDefaultFolderName( static_cast<KMail::FolderContentsType>( i ) );
             if ( results[i].found == StandardFolderSearchResult::NotFound )
-              operations += "<li>" + i18n( "%1: no folder found. It will be created." ).arg( typeName ) + "</li>";
+              operations += "<li>" + i18n( "%1: no folder found. It will be created." ).tqarg( typeName ) + "</li>";
             else if ( results[i].found == StandardFolderSearchResult::FoundByType || results[i].found == StandardFolderSearchResult::FoundByName )
               operations += "<li>" + i18n( "%1: found folder %2. It will be set as the main groupware folder." ).
-                            arg( typeName ).arg( results[i].folder->label() ) + "</li>";
+                            tqarg( typeName ).tqarg( results[i].folder->label() ) + "</li>";
           }
         }
         operations += "</ul>";
 
         msg = i18n("<qt>KMail found the following groupware folders in %1 and needs to perform the following operations: %2"
                    "<br>If you do not want this, cancel"
-                   " and the IMAP resource will be disabled").arg(tqparentFolderName, operations);
+                   " and the IMAP resource will be disabled").tqarg(tqparentFolderName, operations);
 
       }
 
@@ -1991,9 +1991,9 @@ KMFolder* KMailICalIfaceImpl::initFolder( KMail::FolderContentsType contentsType
       labels << (*it)->prettyURL();
     const TQString selected = KInputDialog::getItem( i18n("Default folder"),
         i18n("There are multiple %1 default folders, please choose one:")
-        .arg( localizedDefaultFolderName( contentsType ) ), labels );
+        .tqarg( localizedDefaultFolderName( contentsType ) ), labels );
     if ( !selected.isEmpty() )
-      result.folder = result.folders[ labels.findIndex( selected ) ];
+      result.folder = result.folders[ labels.tqfindIndex( selected ) ];
   }
 
   KMFolder* folder = result.folder;
@@ -2017,7 +2017,7 @@ KMFolder* KMailICalIfaceImpl::initFolder( KMail::FolderContentsType contentsType
 
   if( folder->canAccess() != 0 ) {
     KMessageBox::sorry(0, i18n("You do not have read/write permission to your %1 folder.")
-                       .arg( folderName( itemType ) ) );
+                       .tqarg( folderName( itemType ) ) );
     return 0;
   }
   folder->storage()->setContentsType( contentsType );
diff --git a/kmail/kmcommands.cpp b/kmail/kmcommands.cpp
index 1473d3d6..ba4a84e7 100644
--- a/kmail/kmcommands.cpp
+++ b/kmail/kmcommands.cpp
@@ -586,7 +586,7 @@ KMUrlCopyCommand::KMUrlCopyCommand( const KURL &url, KMMainWidget *mainWidget )
 
 KMCommand::Result KMUrlCopyCommand::execute()
 {
-  TQClipboard* clip = TQApplication::clipboard();
+  TQClipboard* clip = TQApplication::tqclipboard();
 
   if (mUrl.protocol() == "mailto") {
     // put the url into the mouse selection and the clipboard
@@ -640,7 +640,7 @@ KMCommand::Result KMUrlSaveCommand::execute()
   {
     if (KMessageBox::warningContinueCancel(0,
         i18n("<qt>File <b>%1</b> exists.<br>Do you want to replace it?</qt>")
-        .arg(saveUrl.prettyURL()), i18n("Save to File"), i18n("&Replace"))
+        .tqarg(saveUrl.prettyURL()), i18n("Save to File"), i18n("&Replace"))
         != KMessageBox::Continue)
       return Canceled;
   }
@@ -963,7 +963,7 @@ void KMSaveMsgCommand::slotSaveResult(KIO::Job *job)
     {
       if (KMessageBox::warningContinueCancel(0,
         i18n("File %1 exists.\nDo you want to replace it?")
-        .arg(mUrl.prettyURL()), i18n("Save to File"), i18n("&Replace"))
+        .tqarg(mUrl.prettyURL()), i18n("Save to File"), i18n("&Replace"))
         == KMessageBox::Continue) {
         mOffset = 0;
 
@@ -1397,12 +1397,12 @@ KMCommand::Result KMForwardDigestCommand::execute()
     msgPartText += "--";
     msgPartText += TQString::tqfromLatin1( boundary );
     msgPartText += "\nContent-Type: MESSAGE/RFC822";
-    msgPartText += TQString( "; CHARSET=%1" ).arg( msg->charset() );
+    msgPartText += TQString( "; CHARSET=%1" ).tqarg( TQString(msg->charset()) );
     msgPartText += '\n';
     DwHeaders dwh;
     dwh.MessageId().CreateDefault();
-    msgPartText += TQString( "Content-ID: %1\n" ).arg( dwh.MessageId().AsString().c_str() );
-    msgPartText += TQString( "Content-Description: %1" ).arg( msg->subject() );
+    msgPartText += TQString( "Content-ID: %1\n" ).tqarg( dwh.MessageId().AsString().c_str() );
+    msgPartText += TQString( "Content-Description: %1" ).tqarg( msg->subject() );
     if ( !msg->subject().tqcontains( "(fwd)" ) )
       msgPartText += " (fwd)";
     msgPartText += "\n\n";
@@ -1430,7 +1430,7 @@ KMCommand::Result KMForwardDigestCommand::execute()
   msgPart->setSubtypeStr( tmp );
   msgPart->setName( "unnamed" );
   msgPart->setCte( DwMime::kCte7bit );   // does it have to be 7bit?
-  msgPart->setContentDescription( TQString( "Digest of %1 messages." ).arg( msgCnt ) );
+  msgPart->setContentDescription( TQString( "Digest of %1 messages." ).tqarg( msgCnt ) );
   // THIS HAS TO BE AFTER setCte()!!!!
   msgPart->setBodyEncoded( TQCString( msgPartText.ascii() ) );
   KCursorSaver busy( KBusyPtr::busy() );
@@ -1741,7 +1741,7 @@ KMCommand::Result KMFilterActionCommand::execute()
     if ( diff < 10 || !( msgCount % 20 ) || msgCount <= 10 ) {
       progressItem->updateProgress();
       TQString statusMsg = i18n("Filtering message %1 of %2");
-      statusMsg = statusMsg.arg( msgCount ).arg( msgCountToFilter );
+      statusMsg = statusMsg.tqarg( msgCount ).tqarg( msgCountToFilter );
       KPIM::BroadcastqStatus::instance()->seStatusMsg( statusMsg );
       KApplication::kApplication()->eventLoop()->processEvents( TQEventLoop::ExcludeUserInput, 50 );
     }
@@ -1849,7 +1849,7 @@ void KMMenuCommand::folderToPopupMenu(bool move,
 {
   while ( menu->count() )
   {
-    TQPopupMenu *popup = menu->findItem( menu->idAt( 0 ) )->popup();
+    TQPopupMenu *popup = menu->tqfindItem( menu->idAt( 0 ) )->popup();
     if (popup)
       delete popup;
     else
@@ -1995,7 +1995,7 @@ KMCommand::Result KMCopyCommand::execute()
       // corrupt IMAP cache, see FolderStorage::getMsg()
       if ( msg == 0 ) {
         KMessageBox::error( tqparentWidget(), i18n("Corrupt IMAP cache detected in folder %1. "
-            "Copying of messages aborted.").arg( srcFolder->prettyURL() ) );
+            "Copying of messages aborted.").tqarg( srcFolder->prettyURL() ) );
         deleteLater();
         return Failed;
       }
@@ -2461,7 +2461,7 @@ KMCommand::Result KMUrlClickedCommand::execute()
         mime->name() == "application/x-shellscript" )
     {
       if (KMessageBox::warningYesNo( 0, i18n( "<qt>Do you really want to execute <b>%1</b>?</qt>" )
-        .arg( mUrl.prettyURL() ), TQString(), i18n("Execute"), KStdGuiItem::cancel() ) != KMessageBox::Yes)
+        .tqarg( mUrl.prettyURL() ), TQString(), i18n("Execute"), KStdGuiItem::cancel() ) != KMessageBox::Yes)
         return Canceled;
     }
     KRun * runner = new KRun( mUrl );
@@ -2605,7 +2605,7 @@ void KMSaveAttachmentsCommand::slotSaveAll()
         ++unnamedAtmCount;
         s = i18n("filename for the %1-th unnamed attachment",
                  "attachment.%1")
-            .arg( unnamedAtmCount );
+            .tqarg( unnamedAtmCount );
       }
       curUrl.setFileName( s );
     } else {
@@ -2622,7 +2622,7 @@ void KMSaveAttachmentsCommand::slotSaveAll()
      while ( renameNumbering.tqcontains(file) ) {
        file = origFile;
        int num = renameNumbering[file] + 1;
-       int dotIdx = file.findRev('.');
+       int dotIdx = file.tqfindRev('.');
        file = file.insert( (dotIdx>=0) ? dotIdx : file.length(), TQString("_") + TQString::number(num) );
      }
      curUrl.setFileName(file);
@@ -2644,7 +2644,7 @@ void KMSaveAttachmentsCommand::slotSaveAll()
       if ( KIO::NetAccess::exists( curUrl, false, tqparentWidget() ) ) {
         if ( KMessageBox::warningContinueCancel( tqparentWidget(),
               i18n( "A file named %1 already exists. Do you want to overwrite it?" )
-              .arg( curUrl.fileName() ),
+              .tqarg( curUrl.fileName() ),
               i18n( "File Already Exists" ), i18n("&Overwrite") ) == KMessageBox::Cancel) {
           continue;
         }
@@ -2752,8 +2752,8 @@ KMCommand::Result KMSaveAttachmentsCommand::saveItem( partNode *node,
       KMessageBox::error( tqparentWidget(),
           i18n( "%2 is detailed error description",
             "Could not write the file %1:\n%2" )
-          .arg( file.name() )
-          .arg( TQString::fromLocal8Bit( strerror( errno ) ) ),
+          .tqarg( file.name() )
+          .tqarg( TQString::fromLocal8Bit( strerror( errno ) ) ),
           i18n( "KMail Error" ) );
       return Failed;
     }
@@ -2777,7 +2777,7 @@ KMCommand::Result KMSaveAttachmentsCommand::saveItem( partNode *node,
     {
       KMessageBox::error( tqparentWidget(),
           i18n( "Could not write the file %1." )
-          .arg( url.path() ),
+          .tqarg( url.path() ),
           i18n( "KMail Error" ) );
       return Failed;
     }
@@ -3012,7 +3012,7 @@ KMCommand::Result KMIMChatCommand::execute()
           nameList.append( (*it).realName() );
       }
       TQString names = nameList.join( TQString::tqfromLatin1( ",\n" ) );
-      apology = apology.arg( names );
+      apology = apology.tqarg( names );
     }
 
     KMessageBox::sorry( tqparentWidget(), apology );
@@ -3216,7 +3216,7 @@ void KMHandleAttachmentCommand::atmEncryptWithChiasmus()
     return;
 
   // FIXME: better detection of mimetype??
-  if ( !mAtmName.endsWith( ".xia", false ) )
+  if ( !mAtmName.tqendsWith( ".xia", false ) )
     return;
 
   const Kleo::CryptoBackend::Protocol * chiasmus =
@@ -3297,7 +3297,7 @@ void KMHandleAttachmentCommand::atmEncryptWithChiasmus()
 }
 
 static const TQString chomp( const TQString & base, const TQString & suffix, bool cs ) {
-  return base.endsWith( suffix, cs ) ? base.left( base.length() - suffix.length() ) : base ;
+  return base.tqendsWith( suffix, cs ) ? base.left( base.length() - suffix.length() ) : base ;
 }
 
 void KMHandleAttachmentCommand::slotAtmDecryptWithChiasmusResult( const GpgME::Error & err, const TQVariant & result )
@@ -3563,8 +3563,8 @@ KMCommand::Result CreateTodoCommand::execute()
 
   KMail::KorgHelper::ensureRunning();
 
-  TQString txt = i18n("From: %1\nTo: %2\nSubject: %3").arg( msg->from() )
-                .arg( msg->to() ).arg( msg->subject() );
+  TQString txt = i18n("From: %1\nTo: %2\nSubject: %3").tqarg( msg->from() )
+                .tqarg( msg->to() ).tqarg( msg->subject() );
 
   KTempFile tf;
   tf.setAutoDelete( true );
@@ -3573,7 +3573,7 @@ KMCommand::Result CreateTodoCommand::execute()
   tf.close();
 
   KCalendarIface_stub *iface = new KCalendarIface_stub( kapp->dcopClient(), "korganizer", "CalendarIface" );
-  iface->openTodoEditor( i18n("Mail: %1").arg( msg->subject() ), txt, uri,
+  iface->openTodoEditor( i18n("Mail: %1").tqarg( msg->subject() ), txt, uri,
                          tf.name(), TQStringList(), "message/rfc822", true );
   delete iface;
 
diff --git a/kmail/kmcomposewin.cpp b/kmail/kmcomposewin.cpp
index 98a5c6e0..ff4659c8 100644
--- a/kmail/kmcomposewin.cpp
+++ b/kmail/kmcomposewin.cpp
@@ -196,10 +196,10 @@ KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
     setInstance( kmkernel->xmlGuiInstance() );
   mMainWidget = new TQWidget(this);
   // splitter between the headers area and the actual editor
-  mHeadersToEditorSplitter = new TQSplitter( TQt::Vertical, mMainWidget, "mHeadersToEditorSplitter" );
+  mHeadersToEditorSplitter = new TQSplitter( Qt::Vertical, mMainWidget, "mHeadersToEditorSplitter" );
   mHeadersToEditorSplitter->setChildrenCollapsible( false );
   mHeadersArea = new TQWidget( mHeadersToEditorSplitter );
-  mHeadersArea->tqsetSizePolicy( mHeadersToEditorSplitter->sizePolicy().horData(), TQSizePolicy::Maximum );
+  mHeadersArea->tqsetSizePolicy( mHeadersToEditorSplitter->tqsizePolicy().horData(), TQSizePolicy::Maximum );
   TQVBoxLayout *v = new TQVBoxLayout( mMainWidget );
   v->addWidget( mHeadersToEditorSplitter );
   mIdentity = new KPIM::IdentityCombo(kmkernel->identityManager(), mHeadersArea);
@@ -250,10 +250,10 @@ KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
     TQToolTip::add( mBtnCc, tip );
     TQToolTip::add( mBtnBcc, tip );
 
-    mBtnTo->setFocusPolicy(TQWidget::NoFocus);
-    mBtnCc->setFocusPolicy(TQWidget::NoFocus);
-    mBtnBcc->setFocusPolicy(TQWidget::NoFocus);
-    //mBtnFrom->setFocusPolicy(TQWidget::NoFocus);
+    mBtnTo->setFocusPolicy(Qt::NoFocus);
+    mBtnCc->setFocusPolicy(Qt::NoFocus);
+    mBtnBcc->setFocusPolicy(Qt::NoFocus);
+    //mBtnFrom->setFocusPolicy(Qt::NoFocus);
 
     connect(mBtnTo,TQT_SIGNAL(clicked()),TQT_SLOT(slotAddrBookTo()));
     connect(mBtnCc,TQT_SIGNAL(clicked()),TQT_SLOT(slotAddrBookTo()));
@@ -331,9 +331,9 @@ KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
   mFixedFontAction = 0;
   mTempDir = 0;
   // the attachment view is separated from the editor by a splitter
-  mSplitter = new TQSplitter( TQt::Vertical, mHeadersToEditorSplitter, "mSplitter" );
+  mSplitter = new TQSplitter( Qt::Vertical, mHeadersToEditorSplitter, "mSplitter" );
   mSplitter->setChildrenCollapsible( false );
-  mSnippetSplitter = new TQSplitter( TQt::Horizontal, mSplitter, "mSnippetSplitter");
+  mSnippetSplitter = new TQSplitter( Qt::Horizontal, mSplitter, "mSnippetSplitter");
   mSnippetSplitter->setChildrenCollapsible( false );
 
   TQWidget *editorAndCryptoStateIndicators = new TQWidget( mSnippetSplitter );
@@ -386,10 +386,10 @@ KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
   setCaption( i18n("Composer") );
   setMinimumSize(200,200);
 
-  mBtnIdentity->setFocusPolicy(TQWidget::NoFocus);
-  mBtnFcc->setFocusPolicy(TQWidget::NoFocus);
-  mBtnTransport->setFocusPolicy(TQWidget::NoFocus);
-  mBtnDictionary->setFocusPolicy( TQWidget::NoFocus );
+  mBtnIdentity->setFocusPolicy(Qt::NoFocus);
+  mBtnFcc->setFocusPolicy(Qt::NoFocus);
+  mBtnTransport->setFocusPolicy(Qt::NoFocus);
+  mBtnDictionary->setFocusPolicy( Qt::NoFocus );
 
   mAtmListView = new AttachmentListView( this, mSplitter,
                                          "attachment list view" );
@@ -456,7 +456,7 @@ KMComposeWin::KMComposeWin( KMMessage *aMsg, uint id  )
   connect(kmkernel->dimapFolderMgr(),TQT_SIGNAL(folderRemoved(KMFolder*)),
                                   TQT_SLOT(slotFolderRemoved(KMFolder*)));
   connect( kmkernel, TQT_SIGNAL( configChanged() ),
-           this, TQT_SLOT( slotConfigChanged() ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotConfigChanged() ) );
 
   connect (mEditor, TQT_SIGNAL (spellcheck_done(int)),
     this, TQT_SLOT (slotSpellcheckDone (int)));
@@ -648,8 +648,8 @@ bool KMComposeWin::event(TQEvent *e)
 void KMComposeWin::readColorConfig(void)
 {
   if ( GlobalSettings::self()->useDefaultColors() ) {
-    mForeColor = TQColor(kapp->palette().active().text());
-    mBackColor = TQColor(kapp->palette().active().base());
+    mForeColor = TQColor(kapp->tqpalette().active().text());
+    mBackColor = TQColor(kapp->tqpalette().active().base());
   } else {
     mForeColor = GlobalSettings::self()->foregroundColor();
     mBackColor = GlobalSettings::self()->backgroundColor();
@@ -787,7 +787,7 @@ void KMComposeWin::writeConfig(void)
                         mAutoSpellCheckingAction->isChecked() );
   TQStringList transportHistory = GlobalSettings::self()->transportHistory();
   transportHistory.remove(mTransport->currentText());
-    if (KMTransportInfo::availableTransports().findIndex(mTransport
+    if (KMTransportInfo::availableTransports().tqfindIndex(mTransport
     ->currentText()) == -1) {
       transportHistory.prepend(mTransport->currentText());
   }
@@ -817,7 +817,7 @@ void KMComposeWin::autoSaveMessage()
     mAutoSaveTimer->stop();
 
   connect( this, TQT_SIGNAL( applyChangesDone( bool ) ),
-           this, TQT_SLOT( slotContinueAutoSave() ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotContinueAutoSave() ) );
   // This method is called when KMail crashed, so don't try signing/encryption
   // and don't disable controls because it is also called from a timer and
   // then the disabling is distracting.
@@ -829,7 +829,7 @@ void KMComposeWin::autoSaveMessage()
 void KMComposeWin::slotContinueAutoSave()
 {
   disconnect( this, TQT_SIGNAL( applyChangesDone( bool ) ),
-              this, TQT_SLOT( slotContinueAutoSave() ) );
+              TQT_TQOBJECT(this), TQT_SLOT( slotContinueAutoSave() ) );
 
   // Ok, it's done now - continue dead letter saving
   if ( mComposedMessages.isEmpty() ) {
@@ -868,7 +868,7 @@ void KMComposeWin::slotContinueAutoSave()
                                      i18n("Autosaving the message as %1 "
                                           "failed.\n"
                                           "Reason: %2" )
-                                     .arg( filename, strerror( status ) ),
+                                     .tqarg( filename, strerror( status ) ),
                                      i18n("Autosaving Failed") );
       mLastAutoSaveErrno = status;
     }
@@ -888,7 +888,7 @@ void KMComposeWin::slotView(void)
 
   //This sucks awfully, but no, I cannot get an activated(int id) from
   // actionContainer()
-  if (!sender()->isA("KToggleAction"))
+  if (!TQT_TQOBJECT(sender())->isA("KToggleAction"))
     return;
   KToggleAction *act = (KToggleAction *) sender();
 
@@ -1234,13 +1234,13 @@ void KMComposeWin::setupActions(void)
   {
     //default = send now, alternative = queue
     ( void )  new KAction( i18n("&Send Mail"), "mail_send", CTRL+Key_Return,
-                        this, TQT_SLOT(slotSendNow()), actionCollection(),"send_default");
+                        TQT_TQOBJECT(this), TQT_SLOT(slotSendNow()), actionCollection(),"send_default");
 
     // FIXME: change to mail_send_via icon when this exits.
     actActionNowMenu =  new KActionMenu (i18n("&Send Mail Via"), "mail_send",
 		    actionCollection(), "send_default_via" );
 
-    (void) new KAction (i18n("Send &Later"), "queue", 0, this,
+    (void) new KAction (i18n("Send &Later"), "queue", 0, TQT_TQOBJECT(this),
 			TQT_SLOT(slotSendLater()), actionCollection(),"send_alternative");
     actActionLaterMenu = new KActionMenu (i18n("Send &Later Via"), "queue",
 		    actionCollection(), "send_alternative_via" );
@@ -1251,12 +1251,12 @@ void KMComposeWin::setupActions(void)
     //default = queue, alternative = send now
     (void) new KAction (i18n("Send &Later"), "queue",
                         CTRL+Key_Return,
-                        this, TQT_SLOT(slotSendLater()), actionCollection(),"send_default");
+                        TQT_TQOBJECT(this), TQT_SLOT(slotSendLater()), actionCollection(),"send_default");
     actActionLaterMenu = new KActionMenu (i18n("Send &Later Via"), "queue",
 		    actionCollection(), "send_default_via" );
 
    ( void )  new KAction( i18n("&Send Mail"), "mail_send", 0,
-                        this, TQT_SLOT(slotSendNow()), actionCollection(),"send_alternative");
+                        TQT_TQOBJECT(this), TQT_SLOT(slotSendNow()), actionCollection(),"send_alternative");
 
     // FIXME: change to mail_send_via icon when this exits.
     actActionNowMenu =  new KActionMenu (i18n("&Send Mail Via"), "mail_send",
@@ -1291,78 +1291,78 @@ void KMComposeWin::setupActions(void)
 
 
   (void) new KAction (i18n("Save as &Draft"), "filesave", 0,
-                      this, TQT_SLOT(slotSaveDraft()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotSaveDraft()),
                       actionCollection(), "save_in_drafts");
   (void) new KAction (i18n("Save as &Template"), "filesave", 0,
-                      this, TQT_SLOT(slotSaveTemplate()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotSaveTemplate()),
                       actionCollection(), "save_in_templates");
   (void) new KAction (i18n("&Insert File..."), "fileopen", 0,
-                      this,  TQT_SLOT(slotInsertFile()),
+                      TQT_TQOBJECT(this),  TQT_SLOT(slotInsertFile()),
                       actionCollection(), "insert_file");
   mRecentAction = new KRecentFilesAction (i18n("&Insert File Recent"),
 		      "fileopen", 0,
-		      this,  TQT_SLOT(slotInsertRecentFile(const KURL&)),
+		      TQT_TQOBJECT(this),  TQT_SLOT(slotInsertRecentFile(const KURL&)),
 		      actionCollection(), "insert_file_recent");
 
   mRecentAction->loadEntries( KMKernel::config() );
 
   (void) new KAction (i18n("&Address Book"), "contents",0,
-                      this, TQT_SLOT(slotAddrBook()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotAddrBook()),
                       actionCollection(), "addressbook");
   (void) new KAction (i18n("&New Composer"), "mail_new",
                       KStdAccel::shortcut(KStdAccel::New),
-                      this, TQT_SLOT(slotNewComposer()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotNewComposer()),
                       actionCollection(), "new_composer");
   (void) new KAction (i18n("New Main &Window"), "window_new", 0,
-                      this, TQT_SLOT(slotNewMailReader()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotNewMailReader()),
                       actionCollection(), "open_mailreader");
 
   if ( !mClassicalRecipients ) {
-    new KAction( i18n("Select &Recipients..."), CTRL + Key_L, mRecipientsEditor,
+    new KAction( i18n("Select &Recipients..."), CTRL + Key_L, TQT_TQOBJECT(mRecipientsEditor),
       TQT_SLOT( selectRecipients() ), actionCollection(), "select_recipients" );
-    new KAction( i18n("Save &Distribution List..."), 0, mRecipientsEditor,
+    new KAction( i18n("Save &Distribution List..."), 0, TQT_TQOBJECT(mRecipientsEditor),
       TQT_SLOT( saveDistributionList() ), actionCollection(),
       "save_distribution_list" );
   }
 
-  //KStdAction::save(this, TQT_SLOT(), actionCollection(), "save_message");
-  KStdAction::print (this, TQT_SLOT(slotPrint()), actionCollection());
-  KStdAction::close (this, TQT_SLOT(slotClose()), actionCollection());
+  //KStdAction::save(TQT_TQOBJECT(this), TQT_SLOT(), actionCollection(), "save_message");
+  KStdAction::print (TQT_TQOBJECT(this), TQT_SLOT(slotPrint()), actionCollection());
+  KStdAction::close (TQT_TQOBJECT(this), TQT_SLOT(slotClose()), actionCollection());
 
-  KStdAction::undo (this, TQT_SLOT(slotUndo()), actionCollection());
-  KStdAction::redo (this, TQT_SLOT(slotRedo()), actionCollection());
-  KStdAction::cut (this, TQT_SLOT(slotCut()), actionCollection());
-  KStdAction::copy (this, TQT_SLOT(slotCopy()), actionCollection());
-  KStdAction::pasteText (this, TQT_SLOT(slotPasteClipboard()), actionCollection());
-  KStdAction::selectAll (this, TQT_SLOT(slotMarkAll()), actionCollection());
+  KStdAction::undo (TQT_TQOBJECT(this), TQT_SLOT(slotUndo()), actionCollection());
+  KStdAction::redo (TQT_TQOBJECT(this), TQT_SLOT(slotRedo()), actionCollection());
+  KStdAction::cut (TQT_TQOBJECT(this), TQT_SLOT(slotCut()), actionCollection());
+  KStdAction::copy (TQT_TQOBJECT(this), TQT_SLOT(slotCopy()), actionCollection());
+  KStdAction::pasteText (TQT_TQOBJECT(this), TQT_SLOT(slotPasteClipboard()), actionCollection());
+  KStdAction::selectAll (TQT_TQOBJECT(this), TQT_SLOT(slotMarkAll()), actionCollection());
 
-  KStdAction::tqfind (this, TQT_SLOT(slotFind()), actionCollection());
-  KStdAction::findNext(this, TQT_SLOT(slotSearchAgain()), actionCollection());
+  KStdAction::find (TQT_TQOBJECT(this), TQT_SLOT(slotFind()), actionCollection());
+  KStdAction::findNext(TQT_TQOBJECT(this), TQT_SLOT(slotSearchAgain()), actionCollection());
 
-  KStdAction::tqreplace (this, TQT_SLOT(slotReplace()), actionCollection());
-  KStdAction::spelling (this, TQT_SLOT(slotSpellcheck()), actionCollection(), "spellcheck");
+  KStdAction::replace (TQT_TQOBJECT(this), TQT_SLOT(slotReplace()), actionCollection());
+  KStdAction::spelling (TQT_TQOBJECT(this), TQT_SLOT(slotSpellcheck()), actionCollection(), "spellcheck");
 
-  mPasteQuotation = new KAction (i18n("Pa&ste as Quotation"),0,this,TQT_SLOT( slotPasteClipboardAsQuotation()),
+  mPasteQuotation = new KAction (i18n("Pa&ste as Quotation"),0,TQT_TQOBJECT(this),TQT_SLOT( slotPasteClipboardAsQuotation()),
                       actionCollection(), "paste_quoted");
 
-  (void) new KAction (i18n("Paste as Attac&hment"),0,this,TQT_SLOT( slotPasteClipboardAsAttachment()),
+  (void) new KAction (i18n("Paste as Attac&hment"),0,TQT_TQOBJECT(this),TQT_SLOT( slotPasteClipboardAsAttachment()),
                       actionCollection(), "paste_att");
 
-  KAction * addq = new KAction(i18n("Add &Quote Characters"), 0, this,
+  KAction * addq = new KAction(i18n("Add &Quote Characters"), 0, TQT_TQOBJECT(this),
               TQT_SLOT(slotAddQuotes()), actionCollection(), "tools_quote");
   connect( mEditor, TQT_SIGNAL(selectionAvailable(bool)),
            addq, TQT_SLOT(setEnabled(bool)) );
 
-  KAction * remq = new KAction(i18n("Re&move Quote Characters"), 0, this,
+  KAction * remq = new KAction(i18n("Re&move Quote Characters"), 0, TQT_TQOBJECT(this),
               TQT_SLOT(slotRemoveQuotes()), actionCollection(), "tools_unquote");
   connect( mEditor, TQT_SIGNAL(selectionAvailable(bool)),
            remq, TQT_SLOT(setEnabled(bool)) );
 
 
-  (void) new KAction (i18n("Cl&ean Spaces"), 0, this, TQT_SLOT(slotCleanSpace()),
+  (void) new KAction (i18n("Cl&ean Spaces"), 0, TQT_TQOBJECT(this), TQT_SLOT(slotCleanSpace()),
                       actionCollection(), "clean_spaces");
 
-  mFixedFontAction = new KToggleAction( i18n("Use Fi&xed Font"), 0, this,
+  mFixedFontAction = new KToggleAction( i18n("Use Fi&xed Font"), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotUpdateFont()), actionCollection(), "toggle_fixedfont" );
   mFixedFontAction->setChecked( GlobalSettings::self()->useFixedFont() );
 
@@ -1376,7 +1376,7 @@ void KMComposeWin::setupActions(void)
   mRequestMDNAction->setChecked(GlobalSettings::self()->requestMDN());
   //----- Message-Encoding Submenu
   mEncodingAction = new KSelectAction( i18n( "Se&t Encoding" ), "charset",
-                                      0, this, TQT_SLOT(slotSetCharset() ),
+                                      0, TQT_TQOBJECT(this), TQT_SLOT(slotSetCharset() ),
                                       actionCollection(), "charsets" );
   mWordWrapAction = new KToggleAction (i18n("&Wordwrap"), 0,
                       actionCollection(), "wordwrap");
@@ -1396,7 +1396,7 @@ void KMComposeWin::setupActions(void)
   mAutoSpellCheckingAction->setChecked( !GlobalSettings::self()->useExternalEditor() && spellChecking );
   slotAutoSpellCheckingToggled( !GlobalSettings::self()->useExternalEditor() && spellChecking );
   connect( mAutoSpellCheckingAction, TQT_SIGNAL( toggled( bool ) ),
-           this, TQT_SLOT( slotAutoSpellCheckingToggled( bool ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotAutoSpellCheckingToggled( bool ) ) );
 
   TQStringList encodings = KMMsgBase::supportedEncodings(true);
   encodings.prepend( i18n("Auto-Detect"));
@@ -1404,84 +1404,84 @@ void KMComposeWin::setupActions(void)
   mEncodingAction->setCurrentItem( -1 );
 
   //these are checkable!!!
-  markupAction = new KToggleAction (i18n("Formatting (HTML)"), 0, this,
+  markupAction = new KToggleAction (i18n("Formatting (HTML)"), 0, TQT_TQOBJECT(this),
                                     TQT_SLOT(slotToggleMarkup()),
                       actionCollection(), "html");
 
-  mAllFieldsAction = new KToggleAction (i18n("&All Fields"), 0, this,
+  mAllFieldsAction = new KToggleAction (i18n("&All Fields"), 0, TQT_TQOBJECT(this),
                                        TQT_SLOT(slotView()),
                                        actionCollection(), "show_all_fields");
-  mIdentityAction = new KToggleAction (i18n("&Identity"), 0, this,
+  mIdentityAction = new KToggleAction (i18n("&Identity"), 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotView()),
                                       actionCollection(), "show_identity");
-  mDictionaryAction = new KToggleAction (i18n("&Dictionary"), 0, this,
+  mDictionaryAction = new KToggleAction (i18n("&Dictionary"), 0, TQT_TQOBJECT(this),
                                          TQT_SLOT(slotView()),
                                          actionCollection(), "show_dictionary");
-  mFccAction = new KToggleAction (i18n("&Sent-Mail Folder"), 0, this,
+  mFccAction = new KToggleAction (i18n("&Sent-Mail Folder"), 0, TQT_TQOBJECT(this),
                                  TQT_SLOT(slotView()),
                                  actionCollection(), "show_fcc");
-  mTransportAction = new KToggleAction (i18n("&Mail Transport"), 0, this,
+  mTransportAction = new KToggleAction (i18n("&Mail Transport"), 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotView()),
                                       actionCollection(), "show_transport");
-  mFromAction = new KToggleAction (i18n("&From"), 0, this,
+  mFromAction = new KToggleAction (i18n("&From"), 0, TQT_TQOBJECT(this),
                                   TQT_SLOT(slotView()),
                                   actionCollection(), "show_from");
-  mReplyToAction = new KToggleAction (i18n("&Reply To"), 0, this,
+  mReplyToAction = new KToggleAction (i18n("&Reply To"), 0, TQT_TQOBJECT(this),
                                        TQT_SLOT(slotView()),
                                        actionCollection(), "show_reply_to");
   if ( mClassicalRecipients ) {
-    mToAction = new KToggleAction (i18n("&To"), 0, this,
+    mToAction = new KToggleAction (i18n("&To"), 0, TQT_TQOBJECT(this),
                                   TQT_SLOT(slotView()),
                                   actionCollection(), "show_to");
-    mCcAction = new KToggleAction (i18n("&CC"), 0, this,
+    mCcAction = new KToggleAction (i18n("&CC"), 0, TQT_TQOBJECT(this),
                                   TQT_SLOT(slotView()),
                                   actionCollection(), "show_cc");
-    mBccAction = new KToggleAction (i18n("&BCC"), 0, this,
+    mBccAction = new KToggleAction (i18n("&BCC"), 0, TQT_TQOBJECT(this),
                                    TQT_SLOT(slotView()),
                                    actionCollection(), "show_bcc");
   }
-  mSubjectAction = new KToggleAction (i18n("S&ubject"), 0, this,
+  mSubjectAction = new KToggleAction (i18n("S&ubject"), 0, TQT_TQOBJECT(this),
                                      TQT_SLOT(slotView()),
                                      actionCollection(), "show_subject");
   //end of checkable
 
-  mAppendSignatureAction = new KAction (i18n("Append S&ignature"), 0, this,
+  mAppendSignatureAction = new KAction (i18n("Append S&ignature"), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotAppendSignature()),
                       actionCollection(), "append_signature");
-  mPrependSignatureAction =  new KAction (i18n("Prepend S&ignature"), 0, this,
+  mPrependSignatureAction =  new KAction (i18n("Prepend S&ignature"), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotPrependSignature()),
                       actionCollection(), "prepend_signature");
 
-  mInsertSignatureAction =  new KAction (i18n("Insert Signature At C&ursor Position"), "edit", 0, this,
+  mInsertSignatureAction =  new KAction (i18n("Insert Signature At C&ursor Position"), "edit", 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotInsertSignatureAtCursor()),
                       actionCollection(), "insert_signature_at_cursor_position");
 
-  mAttachPK  = new KAction (i18n("Attach &Public Key..."), 0, this,
+  mAttachPK  = new KAction (i18n("Attach &Public Key..."), 0, TQT_TQOBJECT(this),
                            TQT_SLOT(slotInsertPublicKey()),
                            actionCollection(), "attach_public_key");
-  mAttachMPK = new KAction (i18n("Attach &My Public Key"), 0, this,
+  mAttachMPK = new KAction (i18n("Attach &My Public Key"), 0, TQT_TQOBJECT(this),
                            TQT_SLOT(slotInsertMyPublicKey()),
                            actionCollection(), "attach_my_public_key");
   (void) new KAction (i18n("&Attach File..."), "attach",
-                      0, this, TQT_SLOT(slotAttachFile()),
+                      0, TQT_TQOBJECT(this), TQT_SLOT(slotAttachFile()),
                       actionCollection(), "attach");
-  mAttachRemoveAction = new KAction (i18n("&Remove Attachment"), 0, this,
+  mAttachRemoveAction = new KAction (i18n("&Remove Attachment"), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotAttachRemove()),
                       actionCollection(), "remove");
   mAttachSaveAction = new KAction (i18n("&Save Attachment As..."), "filesave",0,
-                      this, TQT_SLOT(slotAttachSave()),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotAttachSave()),
                       actionCollection(), "attach_save");
-  mAttachPropertiesAction = new KAction (i18n("Attachment Pr&operties"), 0, this,
+  mAttachPropertiesAction = new KAction (i18n("Attachment Pr&operties"), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotAttachProperties()),
                       actionCollection(), "attach_properties");
 
   setStandardToolBarMenuEnabled(true);
 
-  KStdAction::keyBindings(this, TQT_SLOT(slotEditKeys()), actionCollection());
-  KStdAction::configureToolbars(this, TQT_SLOT(slotEditToolbars()), actionCollection());
+  KStdAction::keyBindings(TQT_TQOBJECT(this), TQT_SLOT(slotEditKeys()), actionCollection());
+  KStdAction::configureToolbars(TQT_TQOBJECT(this), TQT_SLOT(slotEditToolbars()), actionCollection());
   KStdAction::preferences(kmkernel, TQT_SLOT(slotShowConfigurationDialog()), actionCollection());
 
-  (void) new KAction (i18n("&Spellchecker..."), 0, this, TQT_SLOT(slotSpellcheckConfig()),
+  (void) new KAction (i18n("&Spellchecker..."), 0, TQT_TQOBJECT(this), TQT_SLOT(slotSpellcheckConfig()),
                       actionCollection(), "setup_spellchecker");
 
   if ( Kleo::CryptoBackendFactory::instance()->protocol( "Chiasmus" ) ) {
@@ -1491,7 +1491,7 @@ void KMComposeWin::setupActions(void)
     a->setCheckedState( KGuiItem( i18n( "Encrypt Message with Chiasmus..." ), "chiencrypted" ) );
     mEncryptChiasmusAction = a;
     connect( mEncryptChiasmusAction, TQT_SIGNAL(toggled(bool)),
-             this, TQT_SLOT(slotEncryptChiasmusToggled(bool)) );
+             TQT_TQOBJECT(this), TQT_SLOT(slotEncryptChiasmusToggled(bool)) );
   } else {
     mEncryptChiasmusAction = 0;
   }
@@ -1547,7 +1547,7 @@ void KMComposeWin::setupActions(void)
     l.push_back( Kleo::cryptoMessageFormatToLabel( cryptoMessageFormats[i] ) );
 
   mCryptoModuleAction = new KSelectAction( i18n( "&Cryptographic Message Format" ), 0,
-					   this, TQT_SLOT(slotSelectCryptoModule()),
+					   TQT_TQOBJECT(this), TQT_SLOT(slotSelectCryptoModule()),
 					   actionCollection(), "options_select_crypto" );
   mCryptoModuleAction->setItems( l );
   mCryptoModuleAction->setCurrentItem( format2cb( ident.preferredCryptoMessageFormat() ) );
@@ -1581,36 +1581,36 @@ void KMComposeWin::setupActions(void)
            TQT_SLOT( slotSizeAction( int ) ) );
 
   alignLeftAction = new KToggleAction (i18n("Align Left"), "text_left", 0,
-                      this, TQT_SLOT(slotAlignLeft()), actionCollection(),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotAlignLeft()), actionCollection(),
                       "align_left");
   alignLeftAction->setChecked( true );
   alignRightAction = new KToggleAction (i18n("Align Right"), "text_right", 0,
-                      this, TQT_SLOT(slotAlignRight()), actionCollection(),
+                      TQT_TQOBJECT(this), TQT_SLOT(slotAlignRight()), actionCollection(),
                       "align_right");
   alignCenterAction = new KToggleAction (i18n("Align Center"), "text_center", 0,
-                       this, TQT_SLOT(slotAlignCenter()), actionCollection(),
+                       TQT_TQOBJECT(this), TQT_SLOT(slotAlignCenter()), actionCollection(),
                        "align_center");
   textBoldAction = new KToggleAction( i18n("&Bold"), "text_bold", CTRL+Key_B,
-                                     this, TQT_SLOT(slotTextBold()),
+                                     TQT_TQOBJECT(this), TQT_SLOT(slotTextBold()),
                                      actionCollection(), "text_bold");
   textItalicAction = new KToggleAction( i18n("&Italic"), "text_italic", CTRL+Key_I,
-                                       this, TQT_SLOT(slotTextItalic()),
+                                       TQT_TQOBJECT(this), TQT_SLOT(slotTextItalic()),
                                        actionCollection(), "text_italic");
   textUnderAction = new KToggleAction( i18n("&Underline"), "text_under", CTRL+Key_U,
-                                     this, TQT_SLOT(slotTextUnder()),
+                                     TQT_TQOBJECT(this), TQT_SLOT(slotTextUnder()),
                                      actionCollection(), "text_under");
   actionFormatReset = new KAction( i18n( "Reset Font Settings" ), "eraser", 0,
-                                     this, TQT_SLOT( slotFormatReset() ),
+                                     TQT_TQOBJECT(this), TQT_SLOT( slotFormatReset() ),
                                      actionCollection(), "format_reset");
   actionFormatColor = new KAction( i18n( "Text Color..." ), "colorize", 0,
-                                     this, TQT_SLOT( slotTextColor() ),
+                                     TQT_TQOBJECT(this), TQT_SLOT( slotTextColor() ),
                                      actionCollection(), "format_color");
 
   //  editorFocusChanged(false);
   createGUI("kmcomposerui.rc");
 
   connect( toolBar("htmlToolBar"), TQT_SIGNAL( visibilityChanged(bool) ),
-           this, TQT_SLOT( htmlToolBarVisibilityChanged(bool) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( htmlToolBarVisibilityChanged(bool) ) );
 
   // In Kontact, this entry would read "Configure Kontact", but bring
   // up KMail's config dialog. That's sensible, though, so fix the label.
@@ -1625,9 +1625,9 @@ void KMComposeWin::setupStatusBar(void)
   statusBar()->insertItem("", 0, 1);
   statusBar()->setItemAlignment(0, AlignLeft | AlignVCenter);
 
-  statusBar()->insertItem(i18n( " Spellcheck: %1 ").arg( "   " ), 3, 0, true );
-  statusBar()->insertItem(i18n( " Column: %1 ").arg("     "), 2, 0, true);
-  statusBar()->insertItem(i18n( " Line: %1 ").arg("     "), 1, 0, true);
+  statusBar()->insertItem(i18n( " Spellcheck: %1 ").tqarg( "   " ), 3, 0, true );
+  statusBar()->insertItem(i18n( " Column: %1 ").tqarg("     "), 2, 0, true);
+  statusBar()->insertItem(i18n( " Line: %1 ").tqarg("     "), 1, 0, true);
 }
 
 
@@ -1638,9 +1638,9 @@ void KMComposeWin::updateCursorPosition()
   TQString temp;
   line = mEditor->currentLine();
   col = mEditor->currentColumn();
-  temp = i18n(" Line: %1 ").arg(line+1);
+  temp = i18n(" Line: %1 ").tqarg(line+1);
   statusBar()->changeItem(temp,1);
-  temp = i18n(" Column: %1 ").arg(col+1);
+  temp = i18n(" Column: %1 ").tqarg(col+1);
   statusBar()->changeItem(temp,2);
 }
 
@@ -1683,9 +1683,9 @@ void KMComposeWin::setupEditor(void)
   updateCursorPosition();
   connect(mEditor,TQT_SIGNAL(CursorPositionChanged()),TQT_SLOT(updateCursorPosition()));
   connect( mEditor, TQT_SIGNAL( currentFontChanged( const TQFont & ) ),
-          this, TQT_SLOT( fontChanged( const TQFont & ) ) );
+          TQT_TQOBJECT(this), TQT_SLOT( fontChanged( const TQFont & ) ) );
   connect( mEditor, TQT_SIGNAL( currentAlignmentChanged( int ) ),
-          this, TQT_SLOT( tqalignmentChanged( int ) ) );
+          TQT_TQOBJECT(this), TQT_SLOT( tqalignmentChanged( int ) ) );
 
 }
 
@@ -1876,14 +1876,14 @@ void KMComposeWin::setMsg(KMMessage* newMsg, bool mayAutoSign,
   // unless the identity is sticky
   if ( !stickyIdentity ) {
     disconnect(mIdentity,TQT_SIGNAL(identityChanged(uint)),
-               this, TQT_SLOT(slotIdentityChanged(uint)));
+               TQT_TQOBJECT(this), TQT_SLOT(slotIdentityChanged(uint)));
   }
   // load the mId into the gui, sticky or not, without emitting
   mIdentity->setCurrentIdentity( mId );
   const uint idToApply = mId;
   if ( !stickyIdentity ) {
     connect(mIdentity,TQT_SIGNAL(identityChanged(uint)),
-            this, TQT_SLOT(slotIdentityChanged(uint)));
+            TQT_TQOBJECT(this), TQT_SLOT(slotIdentityChanged(uint)));
   }  else {
     // load the message's state into the mId, without applying it to the gui
     // that's so we can detect that the id changed (because a sticky was set)
@@ -2345,7 +2345,7 @@ void KMComposeWin::applyChanges( bool dontSignNorEncrypt, bool dontDisable )
   // Make new job and execute it
   mComposer = new MessageComposer( this );
   connect( mComposer, TQT_SIGNAL( done( bool ) ),
-           this, TQT_SLOT( slotComposerDone( bool ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotComposerDone( bool ) ) );
 
   // TODO: Add a cancel button for the following operations?
   // Disable any input to the window, so that we have a snapshot of the
@@ -2399,14 +2399,14 @@ bool KMComposeWin::addAttach(const KURL aUrl)
   if ( !aUrl.isValid() ) {
     KMessageBox::sorry( this, i18n( "<qt><p>KMail could not recognize the location of the attachment (%1);</p>"
                                  "<p>you have to specify the full path if you wish to attach a file.</p></qt>" )
-                        .arg( aUrl.prettyURL() ) );
+                        .tqarg( aUrl.prettyURL() ) );
     return false;
   }
 
   const int maxAttachmentSize = GlobalSettings::maximumAttachmentSize();
   const uint maximumAttachmentSizeInByte = maxAttachmentSize*1024*1024;
   if ( aUrl.isLocalFile() && TQFileInfo( aUrl.pathOrURL() ).size() > maximumAttachmentSizeInByte ) {
-    KMessageBox::sorry( this, i18n( "<qt><p>Your administrator has disallowed attaching files bigger than %1 MB.</p>" ).arg( maxAttachmentSize ) );
+    KMessageBox::sorry( this, i18n( "<qt><p>Your administrator has disallowed attaching files bigger than %1 MB.</p>" ).tqarg( maxAttachmentSize ) );
     return false;
   }
 
@@ -2422,9 +2422,9 @@ bool KMComposeWin::addAttach(const KURL aUrl)
   mMapAtmLoadData.insert(job, ld);
   mAttachJobs[job] = aUrl;
   connect(job, TQT_SIGNAL(result(KIO::Job *)),
-          this, TQT_SLOT(slotAttachFileResult(KIO::Job *)));
+          TQT_TQOBJECT(this), TQT_SLOT(slotAttachFileResult(KIO::Job *)));
   connect(job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)),
-          this, TQT_SLOT(slotAttachFileData(KIO::Job *, const TQByteArray &)));
+          TQT_TQOBJECT(this), TQT_SLOT(slotAttachFileData(KIO::Job *, const TQByteArray &)));
   return true;
 }
 
@@ -2454,9 +2454,9 @@ void KMComposeWin::addAttach(const KMMessagePart* msgPart)
   }
 
   connect( lvi, TQT_SIGNAL( compress( int ) ),
-      this, TQT_SLOT( compressAttach( int ) ) );
+      TQT_TQOBJECT(this), TQT_SLOT( compressAttach( int ) ) );
   connect( lvi, TQT_SIGNAL( uncompress( int ) ),
-      this, TQT_SLOT( uncompressAttach( int ) ) );
+      TQT_TQOBJECT(this), TQT_SLOT( uncompressAttach( int ) ) );
 
   slotUpdateAttachActions();
 }
@@ -2847,7 +2847,7 @@ void KMComposeWin::slotAttachFileResult(KIO::Job *job)
       TQString ext;
       if( !patterns.isEmpty() ) {
         ext = patterns[0];
-        int i = ext.findRev( '.' );
+        int i = ext.tqfindRev( '.' );
         if( i == -1 )
           ext.prepend( '.' );
         else if( i > 0 )
@@ -2998,7 +2998,7 @@ void KMComposeWin::slotInsertRecentFile(const KURL& u)
     KConfigGroupSaver saver( config, "Composer" );
     TQStringList urls = config->readListEntry( "recent-urls" );
     TQStringList encodings = config->readListEntry( "recent-encodings" );
-    int index = urls.findIndex( u.prettyURL() );
+    int index = urls.tqfindIndex( u.prettyURL() );
     if (index != -1) {
       TQString encoding = encodings[ index ];
       ld.encoding = encoding.latin1();
@@ -3006,9 +3006,9 @@ void KMComposeWin::slotInsertRecentFile(const KURL& u)
   }
   mMapAtmLoadData.insert(job, ld);
   connect(job, TQT_SIGNAL(result(KIO::Job *)),
-          this, TQT_SLOT(slotAttachFileResult(KIO::Job *)));
+          TQT_TQOBJECT(this), TQT_SLOT(slotAttachFileResult(KIO::Job *)));
   connect(job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)),
-          this, TQT_SLOT(slotAttachFileData(KIO::Job *, const TQByteArray &)));
+          TQT_TQOBJECT(this), TQT_SLOT(slotAttachFileData(KIO::Job *, const TQByteArray &)));
 }
 
 
@@ -3114,7 +3114,7 @@ static void showExportError( TQWidget * w, const GpgME::Error & err ) {
   const TQString msg = i18n("<qt><p>An error occurred while trying to export "
 			   "the key from the backend:</p>"
 			   "<p><b>%1</b></p></qt>")
-    .arg( TQString::fromLocal8Bit( err.asString() ) );
+    .tqarg( TQString::fromLocal8Bit( err.asString() ) );
   KMessageBox::error( w, msg, i18n("Key Export Failed") );
 }
 
@@ -3153,7 +3153,7 @@ void KMComposeWin::slotPublicKeyExportResult( const GpgME::Error & err, const TQ
 
   // create message part
   KMMessagePart * msgPart = new KMMessagePart();
-  msgPart->setName( i18n("OpenPGP key 0x%1").arg( mFingerprint ) );
+  msgPart->setName( i18n("OpenPGP key 0x%1").tqarg( mFingerprint ) );
   msgPart->setTypeStr("application");
   msgPart->setSubtypeStr("pgp-keys");
   TQValueList<int> dummy;
@@ -3291,7 +3291,7 @@ void KMComposeWin::compressAttach( int idx )
   msgPart = mAtmList.at( i );
   TQByteArray array;
   TQBuffer dev( array );
-  KZip zip( &dev );
+  KZip zip( &TQT_TQIODEVICE_OBJECT(dev) );
   TQByteArray decoded = msgPart->bodyDecodedBinary();
   if ( ! zip.open( IO_WriteOnly ) ) {
     KMessageBox::sorry(0, i18n("KMail could not compress the file.") );
@@ -3370,7 +3370,7 @@ void KMComposeWin::uncompressAttach( int idx )
   msgPart = mAtmList.at( i );
 
   TQBuffer dev( msgPart->bodyDecodedBinary() );
-  KZip zip( &dev );
+  KZip zip( &TQT_TQIODEVICE_OBJECT(dev) );
   TQByteArray decoded;
 
   decoded = msgPart->bodyDecodedBinary();
@@ -3562,7 +3562,7 @@ void KMComposeWin::editAttach(int index, bool openWith)
 
   KMail::EditorWatcher *watcher =
           new KMail::EditorWatcher( KURL( atmTempFile->name() ), contentTypeStr, openWith,
-                                    this, this );
+                                    TQT_TQOBJECT(this), this );
   connect( watcher, TQT_SIGNAL(editDone(KMail::EditorWatcher*)), TQT_SLOT(slotEditDone(KMail::EditorWatcher*)) );
   if ( watcher->start() ) {
     mEditorMap.insert( watcher, msgPart );
@@ -3633,7 +3633,7 @@ void KMComposeWin::slotSearchAgain()
 //-----------------------------------------------------------------------------
 void KMComposeWin::slotReplace()
 {
-  mEditor->tqreplace();
+  mEditor->replace();
 }
 
 //-----------------------------------------------------------------------------
@@ -3665,7 +3665,7 @@ void KMComposeWin::slotPasteClipboardAsQuotation()
 {
     if( mEditor->hasFocus() && msg() )
     {
-        TQString s = TQApplication::clipboard()->text();
+        TQString s = TQApplication::tqclipboard()->text();
         if (!s.isEmpty())
             mEditor->insert(addQuotesToText(s));
     }
@@ -3673,13 +3673,13 @@ void KMComposeWin::slotPasteClipboardAsQuotation()
 
 void KMComposeWin::slotPasteClipboardAsAttachment()
 {
-  KURL url( TQApplication::clipboard()->text( TQClipboard::Clipboard ) );
+  KURL url( TQApplication::tqclipboard()->text( TQClipboard::Clipboard ) );
   if ( url.isValid() ) {
-    addAttach(TQApplication::clipboard()->text( TQClipboard::Clipboard ) );
+    addAttach(TQApplication::tqclipboard()->text( TQClipboard::Clipboard ) );
     return;
   }
 
-  TQMimeSource *mimeSource = TQApplication::clipboard()->data();
+  TQMimeSource *mimeSource = TQApplication::tqclipboard()->data();
   if ( TQImageDrag::canDecode(mimeSource) ) {
     slotAttachPNGImageData(mimeSource->tqencodedData("image/png"));
   }
@@ -3691,7 +3691,7 @@ void KMComposeWin::slotPasteClipboardAsAttachment()
     KMMessagePart *msgPart = new KMMessagePart;
     msgPart->setName(attName);
     TQValueList<int> dummy;
-    msgPart->setBodyAndGuessCte(TQCString(TQApplication::clipboard()->text().latin1()), dummy,
+    msgPart->setBodyAndGuessCte(TQCString(TQApplication::tqclipboard()->text().latin1()), dummy,
                                 kmkernel->msgSender()->sendQuotedPrintable());
     addAttach(msgPart);
   }
@@ -3776,9 +3776,9 @@ void KMComposeWin::slotUndo()
   TQWidget* fw = tqfocusWidget();
   if (!fw) return;
 
-  if ( ::qt_cast<KEdit*>(fw) )
+  if ( ::tqqt_cast<KEdit*>(fw) )
       static_cast<TQTextEdit*>(fw)->undo();
-  else if (::qt_cast<TQLineEdit*>(fw))
+  else if (::tqqt_cast<TQLineEdit*>(fw))
       static_cast<TQLineEdit*>(fw)->undo();
 }
 
@@ -3787,9 +3787,9 @@ void KMComposeWin::slotRedo()
   TQWidget* fw = tqfocusWidget();
   if (!fw) return;
 
-  if (::qt_cast<KEdit*>(fw))
+  if (::tqqt_cast<KEdit*>(fw))
       static_cast<KEdit*>(fw)->redo();
-  else if (::qt_cast<TQLineEdit*>(fw))
+  else if (::tqqt_cast<TQLineEdit*>(fw))
       static_cast<TQLineEdit*>(fw)->redo();
 }
 
@@ -3799,9 +3799,9 @@ void KMComposeWin::slotCut()
   TQWidget* fw = tqfocusWidget();
   if (!fw) return;
 
-  if (::qt_cast<KEdit*>(fw))
+  if (::tqqt_cast<KEdit*>(fw))
       static_cast<KEdit*>(fw)->cut();
-  else if (::qt_cast<TQLineEdit*>(fw))
+  else if (::tqqt_cast<TQLineEdit*>(fw))
       static_cast<TQLineEdit*>(fw)->cut();
 }
 
@@ -3817,7 +3817,7 @@ void KMComposeWin::slotCopy()
 #endif
 
   TQKeyEvent k(TQEvent::KeyPress, Key_C, 0, ControlButton);
-  kapp->notify(fw, &k);
+  kapp->notify(TQT_TQOBJECT(fw), TQT_TQEVENT(&k));
 }
 
 
@@ -3832,7 +3832,7 @@ void KMComposeWin::paste( TQClipboard::Mode mode )
   TQWidget* fw = tqfocusWidget();
   if (!fw) return;
 
-  TQMimeSource *mimeSource = TQApplication::clipboard()->data( mode );
+  TQMimeSource *mimeSource = TQApplication::tqclipboard()->data( mode );
   if ( mimeSource->provides("image/png") )  {
     slotAttachPNGImageData(mimeSource->tqencodedData("image/png"));
   } else if ( KURLDrag::canDecode( mimeSource ) ) {
@@ -3875,9 +3875,9 @@ void KMComposeWin::slotMarkAll()
   TQWidget* fw = tqfocusWidget();
   if (!fw) return;
 
-  if (::qt_cast<TQLineEdit*>(fw))
+  if (::tqqt_cast<TQLineEdit*>(fw))
       static_cast<TQLineEdit*>(fw)->selectAll();
-  else if (::qt_cast<KEdit*>(fw))
+  else if (::tqqt_cast<KEdit*>(fw))
       static_cast<KEdit*>(fw)->selectAll();
 }
 
@@ -4070,14 +4070,14 @@ void KMComposeWin::slotPrint()
 {
   mMessageWasModified = isModified();
   connect( this, TQT_SIGNAL( applyChangesDone( bool ) ),
-           this, TQT_SLOT( slotContinuePrint( bool ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotContinuePrint( bool ) ) );
   applyChanges( true );
 }
 
 void KMComposeWin::slotContinuePrint( bool rc )
 {
   disconnect( this, TQT_SIGNAL( applyChangesDone( bool ) ),
-              this, TQT_SLOT( slotContinuePrint( bool ) ) );
+              TQT_TQOBJECT(this), TQT_SLOT( slotContinuePrint( bool ) ) );
 
   if( rc ) {
     if ( mComposedMessages.isEmpty() ) {
@@ -4279,7 +4279,7 @@ bool KMComposeWin::saveDraftOrTemplate( const TQString &folderName,
                                      "identify \"%1\" does not exist (anymore); "
                                      "therefore, the default drafts or templates "
                                      "folder will be used.")
-                                .arg( id.identityName() ) );
+                                .tqarg( id.identityName() ) );
     }
   }
   if ( imapTheFolder && imapTheFolder->noContent() )
@@ -4321,7 +4321,7 @@ void KMComposeWin::slotContinueDoSend( bool sentOk )
   kdDebug(5006) << "KMComposeWin::slotContinueDoSend( " << sentOk << " )"
                 << endl;
   disconnect( this, TQT_SIGNAL( applyChangesDone( bool ) ),
-              this, TQT_SLOT( slotContinueDoSend( bool ) ) );
+              TQT_TQOBJECT(this), TQT_SLOT( slotContinueDoSend( bool ) ) );
 
   if ( !sentOk ) {
     mDisableBreaking = false;
@@ -4463,7 +4463,7 @@ bool KMComposeWin::checkRecipientNumber() const
        GlobalSettings::self()->tooManyRecipients() &&
        mRecipientsEditor->recipients().count() > thresHold ) {
     if ( KMessageBox::questionYesNo( mMainWidget,
-                               i18n("You are trying to send the mail to more than %1 recipients. Send message anyway?").arg(thresHold),
+                               i18n("You are trying to send the mail to more than %1 recipients. Send message anyway?").tqarg(thresHold),
                                i18n("Too many receipients"),
                                i18n("&Send as Is"),
                                i18n("&Edit Recipients")) == KMessageBox::No ) {
@@ -4978,7 +4978,7 @@ void KMComposeWin::slotSpellcheckConfig()
 {
   KDialogBase dlg(KDialogBase::Plain, i18n("Spellchecker"),
                   KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok,
-                  this, 0, true, true );
+                  TQT_TQWIDGET(this), 0, true, true );
   KWin kwin;
   TQTabDialog qtd (this, "tabdialog", true);
   KSpellConfig mKSpellConfig (&qtd);
@@ -5068,7 +5068,7 @@ void KMComposeWin::updateAutoSave()
     if ( !mAutoSaveTimer ) {
       mAutoSaveTimer = new TQTimer( this, "mAutoSaveTimer" );
       connect( mAutoSaveTimer, TQT_SIGNAL( timeout() ),
-               this, TQT_SLOT( autoSaveMessage() ) );
+               TQT_TQOBJECT(this), TQT_SLOT( autoSaveMessage() ) );
     }
     mAutoSaveTimer->start( autoSaveInterval() );
   }
diff --git a/kmail/kmedit.cpp b/kmail/kmedit.cpp
index 5442bef4..dbbb5380 100644
--- a/kmail/kmedit.cpp
+++ b/kmail/kmedit.cpp
@@ -241,7 +241,7 @@ KMEdit::KMEdit(TQWidget *tqparent, KMComposeWin* composer,
 void KMEdit::createSpellers()
 {
   delete mSpeller;
-  mSpeller = new KMSpell( this, TQT_SLOT( spellerReady( KSpell * ) ), mSpellConfig );
+  mSpeller = new KMSpell( TQT_TQOBJECT(this), TQT_SLOT( spellerReady( KSpell * ) ), mSpellConfig );
 }
 
 void KMEdit::initializeAutoSpellChecking()
@@ -251,7 +251,7 @@ void KMEdit::initializeAutoSpellChecking()
   TQColor defaultColor1( 0x00, 0x80, 0x00 ); // defaults from kmreaderwin.cpp
   TQColor defaultColor2( 0x00, 0x70, 0x00 );
   TQColor defaultColor3( 0x00, 0x60, 0x00 );
-  TQColor defaultForeground( kapp->palette().active().text() );
+  TQColor defaultForeground( kapp->tqpalette().active().text() );
 
   TQColor c = TQt::red;
   KConfigGroup readerConfig( KMKernel::config(), "Reader" );
@@ -281,7 +281,7 @@ TQPopupMenu *KMEdit::createPopupMenu( const TQPoint& pos )
   enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
 
   TQPopupMenu *menu = KEdit::createPopupMenu( pos );
-  if ( !TQApplication::clipboard()->image().isNull() ) {
+  if ( !TQApplication::tqclipboard()->image().isNull() ) {
     int id = menu->idAt(0);
     menu->setItemEnabled( id - IdPaste, true);
   }
@@ -413,7 +413,7 @@ void KMEdit::spellerReady( KSpell *spell )
 
 bool KMEdit::eventFilter(TQObject*o, TQEvent* e)
 {
-  if (o == this)
+  if (TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(this))
     KCursor::autoHideEventFilter(o, e);
 
   if (e->type() == TQEvent::KeyPress)
@@ -458,7 +458,7 @@ bool KMEdit::eventFilter(TQObject*o, TQEvent* e)
                             i18n("Unable to start external editor.") );
         killExternalEditor();
       } else {
-        mExtEditorTempFileWatcher = new KDirWatch( this, "mExtEditorTempFileWatcher" );
+        mExtEditorTempFileWatcher = new KDirWatch( TQT_TQOBJECT(this), "mExtEditorTempFileWatcher" );
         connect( mExtEditorTempFileWatcher, TQT_SIGNAL(dirty(const TQString&)),
                  TQT_SLOT(slotExternalEditorTempFileChanged(const TQString&)) );
         mExtEditorTempFileWatcher->addFile( mExtEditorTempFile->name() );
@@ -497,7 +497,7 @@ bool KMEdit::eventFilter(TQObject*o, TQEvent* e)
     {
       //Get word right clicked on
       const TQRegExp wordBoundary( "[\\s\\W]" );
-      firstSpace = paraText.findRev( wordBoundary, charPos ) + 1;
+      firstSpace = paraText.tqfindRev( wordBoundary, charPos ) + 1;
       lastSpace = paraText.tqfind( wordBoundary, charPos );
       if( lastSpace == -1 )
         lastSpace = paraText.length();
@@ -570,7 +570,7 @@ bool KMEdit::eventFilter(TQObject*o, TQEvent* e)
       }
     }
   } else if ( e->type() == TQEvent::FocusIn || e->type() == TQEvent::FocusOut ) {
-    TQFocusEvent *fe = static_cast<TQFocusEvent*>(e);
+    TQFocusEvent *fe = TQT_TQFOCUSEVENT(e);
     if(! (fe->reason() == TQFocusEvent::ActiveWindow || fe->reason() == TQFocusEvent::Popup) )
       emit focusChanged( fe->gotFocus() );
   }
@@ -658,7 +658,7 @@ void KMEdit::spellcheck()
 
     // Don't use mSpellConfig here. Reason is that the spell dialog, KSpellDlg, uses its own
     // spell config, and therefore the two wouldn't be in sync.
-    mKSpellForDialog = new KSpell( this, i18n("Spellcheck - KMail"), this,
+    mKSpellForDialog = new KSpell( TQT_TQWIDGET(this), i18n("Spellcheck - KMail"), TQT_TQOBJECT(this),
                                    TQT_SLOT(slotSpellcheck2(KSpell*))/*, mSpellConfig*/ );
 //  }
 
@@ -709,7 +709,7 @@ void KMEdit::paste()
 // Roll our own internal flag.
 void KMEdit::contentsMouseReleaseEvent( TQMouseEvent * e )
 {
-  if( e->button() != TQt::MidButton )
+  if( e->button() != Qt::MidButton )
     return KEdit::contentsMouseReleaseEvent( e );
   mPasteMode = TQClipboard::Selection;
   KEdit::contentsMouseReleaseEvent( e );
@@ -719,7 +719,7 @@ void KMEdit::contentsMouseReleaseEvent( TQMouseEvent * e )
 void KMEdit::contentsMouseDoubleClickEvent( TQMouseEvent *e )
 {
   bool handled = false;
-  if ( e->button() == TQt::LeftButton ) {
+  if ( e->button() == Qt::LeftButton ) {
 
     // Get the cursor position for the place where the user clicked to
     int paragraphPos;
@@ -870,7 +870,7 @@ void KMEdit::slotSpellResult(const TQString &s)
 void KMEdit::slotSpellDone()
 {
   kdDebug(5006)<<" void KMEdit::slotSpellDone()\n";
-  KSpell::spelltqStatus status = mKSpellForDialog->status();
+  KSpell::spellStatus status = mKSpellForDialog->status();
   delete mKSpellForDialog;
   mKSpellForDialog = 0;
 
diff --git a/kmail/kmfilter.cpp b/kmail/kmfilter.cpp
index 6d1f50c1..2f6bbbd7 100644
--- a/kmail/kmfilter.cpp
+++ b/kmail/kmfilter.cpp
@@ -113,7 +113,7 @@ KMFilter::ReturnCode KMFilter::execActions( KMMessage* msg, bool& stopIt ) const
 
     if ( FilterLog::instance()->isLogging() ) {
       TQString logText( i18n( "<b>Applying filter action:</b> %1" )
-                       .arg( (*it)->displayString() ) );
+                       .tqarg( (*it)->displayString() ) );
       FilterLog::instance()->add( logText, FilterLog::appliedAction );
     }
 
@@ -123,7 +123,7 @@ KMFilter::ReturnCode KMFilter::execActions( KMMessage* msg, bool& stopIt ) const
     case KMFilterAction::CriticalError:
       if ( FilterLog::instance()->isLogging() ) {
         TQString logText = TQString( "<font color=#FF0000>%1</font>" )
-          .arg( i18n( "A critical error occurred. Processing stops here." ) );
+          .tqarg( i18n( "A critical error occurred. Processing stops here." ) );
         FilterLog::instance()->add( logText, FilterLog::appliedAction );
       }
       // in case it's a critical error: return immediately!
@@ -131,7 +131,7 @@ KMFilter::ReturnCode KMFilter::execActions( KMMessage* msg, bool& stopIt ) const
     case KMFilterAction::ErrorButGoOn:
       if ( FilterLog::instance()->isLogging() ) {
         TQString logText = TQString( "<font color=#FF0000>%1</font>" )
-          .arg( i18n( "A problem was found while applying this action." ) );
+          .tqarg( i18n( "A problem was found while applying this action." ) );
         FilterLog::instance()->add( logText, FilterLog::appliedAction );
       }
     default:
@@ -262,7 +262,7 @@ void KMFilter::readConfig(KConfig* config)
     numActions = config->readNumEntry("actions",0);
     if (numActions > FILTER_MAX_ACTIONS) {
       numActions = FILTER_MAX_ACTIONS ;
-      KMessageBox::information( 0, i18n("<qt>Too many filter actions in filter rule <b>%1</b>.</qt>").arg( mPattern.name() ) );
+      KMessageBox::information( 0, i18n("<qt>Too many filter actions in filter rule <b>%1</b>.</qt>").tqarg( mPattern.name() ) );
     }
 
     for ( i=0 ; i < numActions ; i++ ) {
@@ -287,7 +287,7 @@ void KMFilter::readConfig(KConfig* config)
       } else
         KMessageBox::information( 0 /* app-global modal dialog box */,
                                   i18n("<qt>Unknown filter action <b>%1</b><br>in filter rule <b>%2</b>.<br>Ignoring it.</qt>")
-                                       .arg( config->readEntry( actName ) ).arg( mPattern.name() ) );
+                                       .tqarg( config->readEntry( actName ) ).tqarg( mPattern.name() ) );
     }
 
     mAccounts = config->readIntListEntry( "accounts-set" );
diff --git a/kmail/kmfilteraction.cpp b/kmail/kmfilteraction.cpp
index c23a5644..5c45528e 100644
--- a/kmail/kmfilteraction.cpp
+++ b/kmail/kmfilteraction.cpp
@@ -185,7 +185,7 @@ const TQString KMFilterActionWithUOID::argsAsString() const
 const TQString KMFilterActionWithUOID::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -236,7 +236,7 @@ const TQString KMFilterActionWithString::argsAsString() const
 const TQString KMFilterActionWithString::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -266,7 +266,7 @@ void KMFilterActionWithStringList::applyParamWidgetValue( TQWidget* paramWidget
 
 void KMFilterActionWithStringList::setParamWidgetValue( TQWidget* paramWidget ) const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   ((TQComboBox*)paramWidget)->setCurrentItem( idx >= 0 ? idx : 0 );
 }
 
@@ -277,7 +277,7 @@ void KMFilterActionWithStringList::clearParamWidget( TQWidget* paramWidget ) con
 
 void KMFilterActionWithStringList::argsFromString( const TQString argsStr )
 {
-  int idx = mParameterList.findIndex( argsStr );
+  int idx = mParameterList.tqfindIndex( argsStr );
   if ( idx < 0 ) {
     mParameterList.append( argsStr );
     idx = mParameterList.count() - 1;
@@ -483,11 +483,11 @@ TQString KMFilterActionWithCommand::substituteCommandLineArgsFor( KMMessage *aMs
       }
       tf->close();
     }
-    // TQString( "%0 and %1 and %1" ).arg( 0 ).arg( 1 )
+    // TQString( "%0 and %1 and %1" ).tqarg( 0 ).tqarg( 1 )
     // returns "0 and 1 and %1", so we must call .arg as
     // many times as there are %n's, regardless of their multiplicity.
     if ((*it) == -1) result.tqreplace( "%-1", tempFileName );
-    else result = result.arg( tempFileName );
+    else result = result.tqarg( tempFileName );
   }
 
   // And finally, replace the %{foo} with the content of the foo
@@ -495,7 +495,7 @@ TQString KMFilterActionWithCommand::substituteCommandLineArgsFor( KMMessage *aMs
   TQRegExp header_rx( "%\\{([a-z0-9-]+)\\}", false );
   int idx = 0;
   while ( ( idx = header_rx.search( result, idx ) ) != -1 ) {
-    TQString replacement = KProcess::quote( aMsg->headerField( header_rx.cap(1).latin1() ) );
+    TQString replacement = KProcess::quote( aMsg->headerField( TQString(header_rx.cap(1)).latin1() ) );
     result.tqreplace( idx, header_rx.matchedLength(), replacement );
     idx += replacement.length();
   }
@@ -806,7 +806,7 @@ KMFilterActionSetqStatus::KMFilterActionSetqStatus()
 
 KMFilterAction::ReturnCode KMFilterActionSetqStatus::process(KMMessage* msg) const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   if ( idx < 1 ) return ErrorButGoOn;
 
   KMMsgtqStatus status = stati[idx-1] ;
@@ -833,7 +833,7 @@ void KMFilterActionSetqStatus::argsFromString( const TQString argsStr )
 
 const TQString KMFilterActionSetqStatus::argsAsString() const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   if ( idx < 1 ) return TQString();
 
   KMMsgtqStatus status = stati[idx-1];
@@ -843,7 +843,7 @@ const TQString KMFilterActionSetqStatus::argsAsString() const
 const TQString KMFilterActionSetqStatus::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -901,7 +901,7 @@ KMFilterActionFakeDisposition::KMFilterActionFakeDisposition()
 
 KMFilterAction::ReturnCode KMFilterActionFakeDisposition::process(KMMessage* msg) const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   if ( idx < 1 ) return ErrorButGoOn;
 
   if ( idx == 1 ) // ignore
@@ -929,7 +929,7 @@ void KMFilterActionFakeDisposition::argsFromString( const TQString argsStr )
 
 const TQString KMFilterActionFakeDisposition::argsAsString() const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   if ( idx < 1 ) return TQString();
 
   return TQString( TQChar( idx < 2 ? 'I' : char(mdns[idx-2]) ) );
@@ -938,7 +938,7 @@ const TQString KMFilterActionFakeDisposition::argsAsString() const
 const TQString KMFilterActionFakeDisposition::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -996,7 +996,7 @@ void KMFilterActionRemoveHeader::setParamWidgetValue( TQWidget* paramWidget ) co
   TQComboBox * cb = dynamic_cast<TQComboBox*>(paramWidget);
   Q_ASSERT( cb );
 
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   cb->clear();
   cb->insertStringList( mParameterList );
   if ( idx < 0 ) {
@@ -1074,7 +1074,7 @@ TQWidget* KMFilterActionAddHeader::createParamWidget( TQWidget* tqparent ) const
 
 void KMFilterActionAddHeader::setParamWidgetValue( TQWidget* paramWidget ) const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   TQComboBox *cb = (TQComboBox*)paramWidget->child("combo");
   Q_ASSERT( cb );
   cb->clear();
@@ -1123,7 +1123,7 @@ const TQString KMFilterActionAddHeader::argsAsString() const
 const TQString KMFilterActionAddHeader::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -1139,7 +1139,7 @@ void KMFilterActionAddHeader::argsFromString( const TQString argsStr )
     mValue = l[1];
   }
 
-  int idx = mParameterList.findIndex( s );
+  int idx = mParameterList.tqfindIndex( s );
   if ( idx < 0 ) {
     mParameterList.append( s );
     idx = mParameterList.count() - 1;
@@ -1233,7 +1233,7 @@ TQWidget* KMFilterActionRewriteHeader::createParamWidget( TQWidget* tqparent ) c
 
 void KMFilterActionRewriteHeader::setParamWidgetValue( TQWidget* paramWidget ) const
 {
-  int idx = mParameterList.findIndex( mParameter );
+  int idx = mParameterList.tqfindIndex( mParameter );
   TQComboBox *cb = (TQComboBox*)paramWidget->child("combo");
   Q_ASSERT( cb );
 
@@ -1299,7 +1299,7 @@ const TQString KMFilterActionRewriteHeader::argsAsString() const
 const TQString KMFilterActionRewriteHeader::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -1312,7 +1312,7 @@ void KMFilterActionRewriteHeader::argsFromString( const TQString argsStr )
   mRegExp.setPattern( l[1] );
   mReplacementString = l[2];
 
-  int idx = mParameterList.findIndex( s );
+  int idx = mParameterList.tqfindIndex( s );
   if ( idx < 0 ) {
     mParameterList.append( s );
     idx = mParameterList.count() - 1;
@@ -1617,9 +1617,9 @@ const TQString KMFilterActionForward::argsAsString() const
 const TQString KMFilterActionForward::displayString() const
 {
   if ( mTemplate.isEmpty() )
-    return i18n( "Forward to %1 with default template " ).arg( mParameter );
+    return i18n( "Forward to %1 with default template " ).tqarg( mParameter );
   else
-    return i18n( "Forward to %1 with template %2" ).arg( mParameter, mTemplate );
+    return i18n( "Forward to %1 with template %2" ).tqarg( mParameter, mTemplate );
 }
 
 //=============================================================================
@@ -1732,7 +1732,7 @@ class PipeJob : public KPIM::ThreadWeaver::Job
         if (! fgets( buffer, len, p ) ) break;
         int oldsize = ba.size();
         ba.resize( oldsize + strlen(buffer) );
-        qmemmove( ba.begin() + oldsize, buffer, strlen(buffer) );
+        tqmemmove( ba.begin() + oldsize, buffer, strlen(buffer) );
       }
       pclose(p);
       if ( !ba.isEmpty() ) {
@@ -1878,7 +1878,7 @@ const TQString KMFilterActionWithTest::argsAsString() const
 const TQString KMFilterActionWithTest::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
@@ -1955,7 +1955,7 @@ const TQString KMFilterActionWithUrl::argsAsString() const
 const TQString KMFilterActionWithUrl::displayString() const
 {
   // FIXME after string freeze:
-  // return i18n("").arg( );
+  // return i18n("").tqarg( );
   return label() + " \"" + TQStyleSheet::escape( argsAsString() ) + "\"";
 }
 
diff --git a/kmail/kmfilterdlg.cpp b/kmail/kmfilterdlg.cpp
index a83b6eec..02abff7b 100644
--- a/kmail/kmfilterdlg.cpp
+++ b/kmail/kmfilterdlg.cpp
@@ -185,11 +185,11 @@ KMFilterDlg::KMFilterDlg(TQWidget* tqparent, const char* name, bool popFilter, b
     vbl->addWidget( mGlobalsBox, 0, TQt::AlignTop );
   }
   else {
-    TQGroupBox *agb = new TQGroupBox( 1 /*column*/, Vertical, i18n("Filter Actions"), page1 );
+    TQGroupBox *agb = new TQGroupBox( 1 /*column*/, Qt::Vertical, i18n("Filter Actions"), page1 );
     mActionLister = new KMFilterActionWidgetLister( agb );
     vbl->addWidget( agb, 0, TQt::AlignTop );
 
-    mAdvOptsGroup = new TQGroupBox ( 1 /*columns*/, Vertical,
+    mAdvOptsGroup = new TQGroupBox ( 1 /*columns*/, Qt::Vertical,
 				    i18n("Advanced Options"), page2);
     {
       TQWidget *adv_w = new TQWidget( mAdvOptsGroup );
@@ -558,7 +558,7 @@ void KMFilterDlg::slotUpdateAccountList()
     TQCheckListItem *listItem =
       new TQCheckListItem( mAccountList, top, a->name(), TQCheckListItem::CheckBox );
     listItem->setText( 1, a->type() );
-    listItem->setText( 2, TQString( "%1" ).arg( a->id() ) );
+    listItem->setText( 2, TQString( "%1" ).tqarg( a->id() ) );
     if ( mFilter )
       listItem->setOn( mFilter->applyOnAccount( a->id() ) );
     top = listItem;
@@ -578,7 +578,7 @@ void KMFilterDlg::slotUpdateAccountList()
 //=============================================================================
 
 KMFilterListBox::KMFilterListBox( const TQString & title, TQWidget *tqparent, const char* name, bool popFilter )
-  : TQGroupBox( 1, Horizontal, title, tqparent, name ),
+  : TQGroupBox( 1, Qt::Horizontal, title, tqparent, name ),
     bPopFilter(popFilter)
 {
   mFilterList.setAutoDelete( true );
@@ -682,7 +682,7 @@ void KMFilterListBox::createFilter( const TQCString & field,
 
   KMFilter *newFilter = new KMFilter(0, bPopFilter);
   newFilter->pattern()->append( newRule );
-  newFilter->pattern()->setName( TQString("<%1>:%2").arg( field ).arg( value) );
+  newFilter->pattern()->setName( TQString("<%1>:%2").tqarg( TQString(field) ).tqarg( TQString(value) ) );
 
   KMFilterActionDesc *desc = (*kmkernel->filterActionDict())["transfer"];
   if ( desc )
@@ -712,7 +712,7 @@ void KMFilterListBox::slotUpdateFilterName()
   if ( mFilterList.at(mIdxSelItem)->isAutoNaming() ) {
     // auto-naming of patterns
     if ( !p->isEmpty() && p->first() && !p->first()->field().stripWhiteSpace().isEmpty() )
-      shouldBeName = TQString( "<%1>: %2" ).arg( p->first()->field() ).arg( p->first()->contents() );
+      shouldBeName = TQString( "<%1>: %2" ).tqarg( TQString(p->first()->field()) ).tqarg( TQString(p->first()->contents()) );
     else
       shouldBeName = "<" + i18n("unnamed") + ">";
     p->setName( shouldBeName );
@@ -946,7 +946,7 @@ void KMFilterListBox::slotRename()
     (
      i18n("Rename Filter"),
      i18n("Rename filter \"%1\" to:\n(leave the field empty for automatic naming)")
-        .arg( filter->pattern()->name() ) /*label*/,
+        .tqarg( filter->pattern()->name() ) /*label*/,
      filter->pattern()->name() /* initial value */,
      &okPressed, tqtopLevelWidget(), 0, validator
      );
diff --git a/kmail/kmfolder.cpp b/kmail/kmfolder.cpp
index 307823c9..a1b53aee 100644
--- a/kmail/kmfolder.cpp
+++ b/kmail/kmfolder.cpp
@@ -80,7 +80,7 @@ KMFolder::KMFolder( KMFolderDir* aParent, const TQString& aFolderName,
   dirinfo.setFile( mStorage->location() );
   if ( !dirinfo.exists() ) {
     int rc = mStorage->create();
-    TQString msg = i18n("<qt>Error while creating file <b>%1</b>:<br>%2</qt>").arg(aFolderName).arg(strerror(rc));
+    TQString msg = i18n("<qt>Error while creating file <b>%1</b>:<br>%2</qt>").tqarg(aFolderName).tqarg(strerror(rc));
     if ( rc ) {
       KMessageBox::information(0, msg);
     }
@@ -272,7 +272,7 @@ KMFolderDir* KMFolder::createChildFolder()
   {
     if (mkdir(TQFile::encodeName(childDir), S_IRWXU) != 0
       && chmod(TQFile::encodeName(childDir), S_IRWXU) != 0) {
-      TQString wmsg = TQString(" '%1': %2").arg(childDir).arg(strerror(errno));
+      TQString wmsg = TQString(" '%1': %2").tqarg(childDir).tqarg(strerror(errno));
       KMessageBox::information(0,i18n("Failed to create folder") + wmsg);
       return 0;
     }
@@ -929,7 +929,7 @@ bool KMFolder::isValidName( const TQString &folderName, TQString &message )
       }
     }
     if ( !delimiter.isEmpty() && folderName.tqfind( delimiter ) != -1 ) {
-      message = i18n( "Your IMAP server does not allow the character '%1'; please choose another folder name." ).arg( delimiter );
+      message = i18n( "Your IMAP server does not allow the character '%1'; please choose another folder name." ).tqarg( delimiter );
       return false;
     }
   }
diff --git a/kmail/kmfoldercachedimap.cpp b/kmail/kmfoldercachedimap.cpp
index f0b3f0ce..94bd09b2 100644
--- a/kmail/kmfoldercachedimap.cpp
+++ b/kmail/kmfoldercachedimap.cpp
@@ -215,7 +215,7 @@ KMFolderCachedImap::KMFolderCachedImap( KMFolder* folder, const char* aName )
         KMessageBox::error( 0,
         i18n( "The UID cache file for folder %1 could not be read. There "
               "could be a problem with file system permission, or it is corrupted."
-              ).arg( folder->prettyURL() ) );
+              ).tqarg( folder->prettyURL() ) );
         // try to unlink it, in case it was corruped. If it couldn't be read
         // because of permissions, this will fail, which is fine
         unlink( TQFile::encodeName( uidCacheLocation() ) );
@@ -442,14 +442,14 @@ int KMFolderCachedImap::readUidCache()
       if( cacheVersion == UIDCACHE_VERSION ) {
         len = uidcache.readLine( buf, sizeof(buf) );
         if( len > 0 ) {
-          setUidValidity( TQString::fromLocal8Bit(buf).stripWhiteSpace() );
+          setUidValidity( TQString(TQString::fromLocal8Bit(buf)).stripWhiteSpace() );
           len = uidcache.readLine( buf, sizeof(buf) );
           if( len > 0 ) {
 #if MAIL_LOSS_DEBUGGING
             kdDebug(5006) << "Reading in last uid from cache: " << TQString::fromLocal8Bit(buf).stripWhiteSpace() << " in " << folder()->prettyURL() << endl;
 #endif
             // load the last known highest uid from the on disk cache
-            setLastUid( TQString::fromLocal8Bit(buf).stripWhiteSpace().toULong() );
+            setLastUid( TQString(TQString::fromLocal8Bit(buf)).stripWhiteSpace().toULong() );
             return 0;
           }
         }
@@ -486,7 +486,7 @@ int KMFolderCachedImap::writeUidCache()
   }
   KMessageBox::error( 0,
         i18n( "The UID cache file for folder %1 could not be written. There "
-              "could be a problem with file system permission." ).arg( folder()->prettyURL() ) );
+              "could be a problem with file system permission." ).tqarg( folder()->prettyURL() ) );
 
   return -1;
 }
@@ -739,7 +739,7 @@ void KMFolderCachedImap::slotTroubleshoot()
     TQString str = i18n("Are you sure you want to refresh the IMAP cache of "
                        "the folder %1 and all its subfolders?\nThis will "
                        "remove all changes you have done locally to your "
-                       "folders.").arg( label() );
+                       "folders.").tqarg( label() );
     TQString s1 = i18n("Refresh IMAP Cache");
     TQString s2 = i18n("&Refresh");
     if( KMessageBox::warningContinueCancel( 0, str, s1, s2 ) ==
@@ -774,7 +774,7 @@ void KMFolderCachedImap::slotTroubleshoot()
 void KMFolderCachedImap::serverSync( bool recurse, bool quotaOnly )
 {
   if( mSyncState != SYNC_STATE_INITIAL ) {
-    if( KMessageBox::warningYesNo( 0, i18n("Folder %1 is not in initial sync state (state was %2). Do you want to reset it to initial sync state and sync anyway?" ).arg( imapPath() ).arg( mSyncState ), TQString(), i18n("Reset && Sync"), KStdGuiItem::cancel() ) == KMessageBox::Yes ) {
+    if( KMessageBox::warningYesNo( 0, i18n("Folder %1 is not in initial sync state (state was %2). Do you want to reset it to initial sync state and sync anyway?" ).tqarg( imapPath() ).tqarg( mSyncState ), TQString(), i18n("Reset && Sync"), KStdGuiItem::cancel() ) == KMessageBox::Yes ) {
       mSyncState = SYNC_STATE_INITIAL;
     } else return;
   }
@@ -899,14 +899,14 @@ void KMFolderCachedImap::serverSyncInternal()
       // Cancelled by user, or slave can't start
       // kdDebug(5006) << "makeConnection said Error, aborting." << endl;
       // We stop here. We're already in SYNC_STATE_INITIAL for the next time.
-      newState( mProgress, i18n( "Error connecting to server %1" ).arg( mAccount->host() ) );
+      newState( mProgress, i18n( "Error connecting to server %1" ).tqarg( mAccount->host() ) );
       close("cachedimap");
       emit folderComplete(this, false);
       break;
     } else if ( cs == ImapAccountBase::Connecting ) {
       mAccount->setAnnotationCheckPassed( false );
       // kdDebug(5006) << "makeConnection said Connecting, waiting for signal." << endl;
-      newState( mProgress, i18n("Connecting to %1").arg( mAccount->host() ) );
+      newState( mProgress, i18n("Connecting to %1").tqarg( mAccount->host() ) );
       // We'll wait for the connectionResult signal from the account.
       connect( mAccount, TQT_SIGNAL( connectionResult(int, const TQString&) ),
                this, TQT_SLOT( slotConnectionResult(int, const TQString&) ) );
@@ -1478,7 +1478,7 @@ void KMFolderCachedImap::uploadNewMessages()
          && !(mUserRights & KMail::ACLJobs::Insert) ) {
       // write access revoked
       KMessageBox::information( 0, i18n("<p>Your access rights to folder <b>%1</b> have been restricted, "
-          "it will no longer be possible to add messages to this folder.</p>").arg( folder()->prettyURL() ),
+          "it will no longer be possible to add messages to this folder.</p>").tqarg( folder()->prettyURL() ),
           i18n("Acces rights revoked"), "KMailACLRevocationNotification" );
     }
   }
@@ -1511,7 +1511,7 @@ void KMFolderCachedImap::uploadFlags()
       if( !msg || msg->UID() == 0 )
         // Either not a valid message or not one that is on the server yet
         continue;
-      if ( mUIDsOfLocallyChangedStatuses.tqfind( msg->UID() ) == mUIDsOfLocallyChangedStatuses.end()
+      if ( mUIDsOfLocallyChangedStatuses.find( msg->UID() ) == mUIDsOfLocallyChangedStatuses.end()
            && !mStatusChangedLocally ) {
         // This message has not had its status changed locally
         continue;
@@ -1559,7 +1559,7 @@ void KMFolderCachedImap::uploadSeenFlags()
         // Either not a valid message or not one that is on the server yet
         continue;
 
-      if ( mUIDsOfLocallyChangedStatuses.tqfind( msg->UID() ) == mUIDsOfLocallyChangedStatuses.end()
+      if ( mUIDsOfLocallyChangedStatuses.find( msg->UID() ) == mUIDsOfLocallyChangedStatuses.end()
            && !mStatusChangedLocally ) {
         // This message has not had its status changed locally
         continue;
@@ -1706,7 +1706,7 @@ bool KMFolderCachedImap::deleteMessages()
       if ( KMessageBox::warningYesNo(
              0, i18n( "<qt><p>Mails on the server in folder <b>%1</b> were deleted. "
                  "Do you want to delete them locally?<br>UIDs: %2</p></qt>" )
-             .arg( folder()->prettyURL() ).arg( uids.join(",") ) ) == KMessageBox::Yes )
+             .tqarg( folder()->prettyURL() ).tqarg( uids.join(",") ) ) == KMessageBox::Yes )
 #endif
         removeMsg( msgsForDeletion );
   }
@@ -2055,7 +2055,7 @@ void KMFolderCachedImap::listNamespaces()
   mNamespacesToList.pop_front();
 
   mSyncState = SYNC_STATE_LIST_SUBFOLDERS2;
-  newState( mProgress, i18n("Retrieving folders for namespace %1").arg(ns));
+  newState( mProgress, i18n("Retrieving folders for namespace %1").tqarg(ns));
   KMail::ListJob* job = new KMail::ListJob( mAccount, type, this,
       mAccount->addPathToNamespace( ns ) );
   job->setNamespace( ns );
@@ -2184,7 +2184,7 @@ void KMFolderCachedImap::slotListResult( const TQStringList& folderNames,
       if (!node->isDir() ) {
         KMFolderCachedImap *f = static_cast<KMFolderCachedImap*>(static_cast<KMFolder*>(node)->storage());
 
-        if ( mSubfolderNames.findIndex(node->name()) == -1 ) {
+        if ( mSubfolderNames.tqfindIndex(node->name()) == -1 ) {
           TQString name = node->name();
           // as more than one namespace can be listed in the root folder we need to make sure
           // that the folder is within the current namespace
@@ -2207,7 +2207,7 @@ void KMFolderCachedImap::slotListResult( const TQStringList& folderNames,
           /**
            * Store the folder attributes for every subfolder.
            */
-          int index = mSubfolderNames.findIndex( node->name() );
+          int index = mSubfolderNames.tqfindIndex( node->name() );
           f->mFolderAttributes = folderAttributes[ index ];
         }
       } else {
@@ -2297,7 +2297,7 @@ void KMFolderCachedImap::listDirectory2()
       // (could be that the folder was deleted & recreated meanwhile from another client...)
       if ( !locallyDeleted && mAccount->isPreviouslyDeletedFolder( subfolderPath ) ) {
            locallyDeleted = KMessageBox::warningYesNo(
-             0, i18n( "<qt><p>It seems that the folder <b>%1</b> was deleted. Do you want to delete it from the server?</p></qt>" ).arg( mSubfolderNames[i] ), TQString(), KStdGuiItem::del(), KStdGuiItem::cancel() ) == KMessageBox::Yes;
+             0, i18n( "<qt><p>It seems that the folder <b>%1</b> was deleted. Do you want to delete it from the server?</p></qt>" ).tqarg( mSubfolderNames[i] ), TQString(), KStdGuiItem::del(), KStdGuiItem::cancel() ) == KMessageBox::Yes;
       }
 
       if ( locallyDeleted ) {
@@ -2618,7 +2618,7 @@ void KMFolderCachedImap::newState( int progress, const TQString& synctqStatus )
     if ( mAccount->imapFolder() == this )
       str = synctqStatus;
     else
-      str = TQString( "%1: %2" ).arg( label() ).arg( synctqStatus );
+      str = TQString( "%1: %2" ).tqarg( label() ).tqarg( synctqStatus );
     if( progressItem )
       progressItem->setqStatus( str );
     emit statusMsg( str );
@@ -2809,7 +2809,7 @@ void KMFolderCachedImap::slotGetAnnotationResult( KIO::Job* job )
       // that's when the imap server doesn't support annotations
       if ( GlobalSettings::self()->theIMAPResourceStorageFormat() == GlobalSettings::EnumTheIMAPResourceStorageFormat::XML
            && (uint)GlobalSettings::self()->theIMAPResourceAccount() == mAccount->id() )
-	KMessageBox::error( 0, i18n( "The IMAP server %1 does not have support for IMAP annotations. The XML storage cannot be used on this server; please re-configure KMail differently." ).arg( mAccount->host() ) );
+	KMessageBox::error( 0, i18n( "The IMAP server %1 does not have support for IMAP annotations. The XML storage cannot be used on this server; please re-configure KMail differently." ).tqarg( mAccount->host() ) );
       mAccount->setHasNoAnnotationSupport();
     }
     else
@@ -2837,7 +2837,7 @@ void KMFolderCachedImap::slotMultiUrlGetAnnotationResult( KIO::Job* job )
       // that's when the imap server doesn't support annotations
       if ( GlobalSettings::self()->theIMAPResourceStorageFormat() == GlobalSettings::EnumTheIMAPResourceStorageFormat::XML
            && (uint)GlobalSettings::self()->theIMAPResourceAccount() == mAccount->id() )
-        KMessageBox::error( 0, i18n( "The IMAP server %1 doesn't have support for imap annotations. The XML storage cannot be used on this server, please re-configure KMail differently" ).arg( mAccount->host() ) );
+        KMessageBox::error( 0, i18n( "The IMAP server %1 doesn't have support for imap annotations. The XML storage cannot be used on this server, please re-configure KMail differently" ).tqarg( mAccount->host() ) );
       mAccount->setHasNoAnnotationSupport();
     }
     else
@@ -2856,7 +2856,7 @@ void KMFolderCachedImap::slotMultiUrlGetAnnotationResult( KIO::Job* job )
       if ( dot != -1 ) type.truncate( dot );
       type = type.simplifyWhiteSpace();
 
-      const int idx = mSubfolderPaths.findIndex( folderPath );
+      const int idx = mSubfolderPaths.tqfindIndex( folderPath );
       const bool isNoContent =  mSubfolderMimeTypes[idx] == "inode/directory";
       if ( ( isNoContent && type.isEmpty() )
         || ( !type.isEmpty() && type != KMailICalIfaceImpl::annotationForContentsType( ContentsTypeMail ) ) ) {
@@ -3063,7 +3063,7 @@ KMCommand* KMFolderCachedImap::rescueUnsyncedMessages()
   bool manualMove = true;
   while ( GlobalSettings::autoLostFoundMove() ) {
     // find the inbox of this account
-    KMFolder *inboxFolder = kmkernel->findFolderById( TQString(".%1.directory/INBOX").arg( account()->id() ) );
+    KMFolder *inboxFolder = kmkernel->findFolderById( TQString(".%1.directory/INBOX").tqarg( account()->id() ) );
     if ( !inboxFolder ) {
       kdWarning(5006) << k_funcinfo << "inbox not found!" << endl;
       break;
@@ -3119,7 +3119,7 @@ KMCommand* KMFolderCachedImap::rescueUnsyncedMessages()
           "on the server or you do not "
           "have sufficient access rights on the folder to upload them.</p>"
           "<p>All affected messages will therefore be moved to <b>%2</b> "
-          "to avoid data loss.</p>").arg( folder()->prettyURL() ).arg( dest->prettyURL() ),
+          "to avoid data loss.</p>").tqarg( folder()->prettyURL() ).tqarg( dest->prettyURL() ),
           i18n("Insufficient access rights") );
     manualMove = false;
     break;
@@ -3132,7 +3132,7 @@ KMCommand* KMFolderCachedImap::rescueUnsyncedMessages()
           "have sufficient access rights on the folder now to upload them. "
           "Please contact your administrator to allow upload of new messages "
           "to you, or move them out of this folder.</p> "
-          "<p>Do you want to move these messages to another folder now?</p>").arg( folder()->prettyURL() ) );
+          "<p>Do you want to move these messages to another folder now?</p>").tqarg( folder()->prettyURL() ) );
     if ( KMessageBox::warningYesNo( 0, msg, TQString(), i18n("Move"), i18n("Do Not Move") ) == KMessageBox::Yes ) {
       KMail::KMFolderSelDlg dlg( kmkernel->getKMMainWidget(),
           i18n("Move Messages to Folder"), true );
diff --git a/kmail/kmfoldercombobox.cpp b/kmail/kmfoldercombobox.cpp
index 1135b25b..e85144f0 100644
--- a/kmail/kmfoldercombobox.cpp
+++ b/kmail/kmfoldercombobox.cpp
@@ -114,9 +114,9 @@ void KMFolderComboBox::setFolder( KMFolder *aFolder )
   TQValueList<TQGuardedPtr<KMFolder> > folders;
   createFolderList( &names, &folders );
 
-  int idx = folders.findIndex( aFolder );
+  int idx = folders.tqfindIndex( aFolder );
   if (idx == -1)
-    idx = folders.findIndex( kmkernel->draftsFolder() );
+    idx = folders.tqfindIndex( kmkernel->draftsFolder() );
   setCurrentItem( idx >= 0 ? idx : 0 );
 
   mFolder = aFolder;
diff --git a/kmail/kmfolderdir.cpp b/kmail/kmfolderdir.cpp
index 1f6019b0..f6edcaf1 100644
--- a/kmail/kmfolderdir.cpp
+++ b/kmail/kmfolderdir.cpp
@@ -206,7 +206,7 @@ bool KMFolderDir::reload(void)
 
   if (!dir.cd(fldPath, TRUE))
   {
-    TQString msg = i18n("<qt>Cannot enter folder <b>%1</b>.</qt>").arg(fldPath);
+    TQString msg = i18n("<qt>Cannot enter folder <b>%1</b>.</qt>").tqarg(fldPath);
     KMessageBox::information(0, msg);
     return FALSE;
   }
@@ -214,7 +214,7 @@ bool KMFolderDir::reload(void)
   TQFileInfoList* fiList=(TQFileInfoList*)dir.entryInfoList();
   if (!fiList)
   {
-    TQString msg = i18n("<qt>Folder <b>%1</b> is unreadable.</qt>").arg(fldPath);
+    TQString msg = i18n("<qt>Folder <b>%1</b> is unreadable.</qt>").tqarg(fldPath);
     KMessageBox::information(0, msg);
     return FALSE;
   }
@@ -258,7 +258,7 @@ bool KMFolderDir::reload(void)
           // For this to be a cached IMAP folder, it must be in the KMail dimap
           // subdir and must be have a uidcache file or be a maildir folder
           TQString maildir(fname + "/new");
-          TQString imapcachefile = TQString::tqfromLatin1(".%1.uidcache").arg(fname);
+          TQString imapcachefile = TQString::tqfromLatin1(".%1.uidcache").tqarg(fname);
           if ( dir.exists( imapcachefile) || dir.exists( maildir ) )
           {
              folder = new KMFolder( this, fname, KMFolderTypeCachedImap );
diff --git a/kmail/kmfolderimap.cpp b/kmail/kmfolderimap.cpp
index 28ba493c..38e025bc 100644
--- a/kmail/kmfolderimap.cpp
+++ b/kmail/kmfolderimap.cpp
@@ -245,7 +245,7 @@ void KMFolderImap::remove()
   jd.progressItem = ProgressManager::createProgressItem(
                       "ImapFolderRemove" + ProgressManager::getUniqueID(),
                       i18n("Removing folder"),
-                      i18n( "URL: %1" ).arg( TQStyleSheet::escape( folder()->prettyURL() ) ),
+                      i18n( "URL: %1" ).tqarg( TQStyleSheet::escape( folder()->prettyURL() ) ),
                       false,
                       account()->useSSL() || account()->useTLS() );
   account()->insertJob(job, jd);
@@ -488,7 +488,7 @@ int KMFolderImap::addMsg(TQPtrList<KMMessage>& msgList, TQValueList<int>& aIndex
       mAddMessageProgressItem = ProgressManager::createProgressItem(
           "Uploading"+ProgressManager::getUniqueID(),
           i18n("Uploading message data"),
-          i18n("Destination folder: %1").arg( TQStyleSheet::escape( folder()->prettyURL() ) ),
+          i18n("Destination folder: %1").tqarg( TQStyleSheet::escape( folder()->prettyURL() ) ),
           true,
           account()->useSSL() || account()->useTLS() );
       mAddMessageProgressItem->setTotalItems( msgList.count() );
@@ -544,8 +544,8 @@ void KMFolderImap::copyMsg(TQPtrList<KMMessage>& msgList)
 TQPtrList<KMMessage> KMFolderImap::splitMessageList(const TQString& set,
                                                    TQPtrList<KMMessage>& msgList)
 {
-  int lastcomma = set.findRev(",");
-  int lastdub = set.findRev(":");
+  int lastcomma = set.tqfindRev(",");
+  int lastdub = set.tqfindRev(":");
   int last = 0;
   if (lastdub > lastcomma) last = lastdub;
   else last = lastcomma;
@@ -946,7 +946,7 @@ void KMFolderImap::checkFolders( const TQStringList& subfolderNames,
   KMFolderNode *node = folder()->child()->first();
   while ( node )
   {
-    if ( !node->isDir() && subfolderNames.findIndex(node->name()) == -1 )
+    if ( !node->isDir() && subfolderNames.tqfindIndex(node->name()) == -1 )
     {
       KMFolder* fld = static_cast<KMFolder*>(node);
       KMFolderImap* imapFld = static_cast<KMFolderImap*>( fld->storage() );
@@ -1271,7 +1271,7 @@ void KMFolderImap::slotListFolderResult(KIO::Job * job)
   if (job->error())
   {
     account()->handleJobError( job,
-         i18n("Error while listing the contents of the folder %1.").arg( label() ) );
+         i18n("Error while listing the contents of the folder %1.").tqarg( label() ) );
     account()->removeJob(it);
     finishMailCheck( "listfolder", imapNoInformation );
     return;
diff --git a/kmail/kmfolderindex.cpp b/kmail/kmfolderindex.cpp
index 635afae5..d41f6bca 100644
--- a/kmail/kmfolderindex.cpp
+++ b/kmail/kmfolderindex.cpp
@@ -369,7 +369,7 @@ bool KMFolderIndex::readIndexHeader(int *gv)
 					    "The mail index for '%1' is from an unknown version of KMail (%2).\n"
 					    "This index can be regenerated from your mail folder, but some "
 					    "information, including status flags, may be lost. Do you wish "
-					    "to downgrade your index file?") .arg(name()) .arg(indexVersion), TQString(), i18n("Downgrade"), i18n("Do Not Downgrade") );
+					    "to downgrade your index file?") .tqarg(name()) .tqarg(indexVersion), TQString(), i18n("Downgrade"), i18n("Do Not Downgrade") );
       kapp->restoreOverrideCursor();
       if (r == KMessageBox::Yes)
 	  createIndexFromContents();
@@ -527,7 +527,7 @@ void KMFolderIndex::recreateIndex( bool readIndexAfterwards )
   kapp->setOverrideCursor(KCursor::arrowCursor());
   KMessageBox::information(0,
        i18n("The mail index for '%1' is corrupted and will be regenerated now, "
-            "but some information, like status flags, might get lost.").arg(name()));
+            "but some information, like status flags, might get lost.").tqarg(name()));
   kapp->restoreOverrideCursor();
   createIndexFromContents();
   if ( readIndexAfterwards ) {
diff --git a/kmail/kmfoldermaildir.cpp b/kmail/kmfoldermaildir.cpp
index ace5a6dd..684af395 100644
--- a/kmail/kmfoldermaildir.cpp
+++ b/kmail/kmfoldermaildir.cpp
@@ -87,11 +87,11 @@ int KMFolderMaildir::canAccess()
     KCursorSaver idle(KBusyPtr::idle());
     if ( nRetVal == ENOENT )
       KMessageBox::sorry(0, i18n("Error opening %1; this folder is missing.")
-                         .arg(sBadFolderName));
+                         .tqarg(sBadFolderName));
     else
       KMessageBox::sorry(0, i18n("Error opening %1; either this is not a valid "
                                  "maildir folder, or you do not have sufficient access permissions.")
-                         .arg(sBadFolderName));
+                         .tqarg(sBadFolderName));
     return nRetVal;
   }
 
@@ -122,7 +122,7 @@ int KMFolderMaildir::open(const char *)
       TQString str;
       mIndexStream = 0;
       str = i18n("Folder `%1' changed; recreating index.")
-		  .arg(name());
+		  .tqarg(name());
       emit statusMsg(str);
     } else {
       mIndexStream = fopen(TQFile::encodeName(indexLocation()), "r+"); // index file
@@ -605,7 +605,7 @@ void KMFolderMaildir::readFileHeaderIntern(const TQString& dir, const TQString&
   // open the file and get a pointer to it
   TQFile f(file);
   if ( f.open( IO_ReadOnly ) == false ) {
-    kdWarning(5006) << "The file '" << TQFile::encodeName(dir) << "/" << file
+    kdWarning(5006) << "The file '" << TQString(TQFile::encodeName(dir)) << "/" << file
                     << "' could not be opened for reading the message. "
                        "Please check ownership and permissions."
                     << endl;
@@ -652,7 +652,7 @@ void KMFolderMaildir::readFileHeaderIntern(const TQString& dir, const TQString&
       referencesStr = referencesStr.stripWhiteSpace();
       if( !referencesStr.isEmpty() ) {
         int leftAngle, rightAngle;
-        leftAngle = referencesStr.findRev( '<' );
+        leftAngle = referencesStr.tqfindRev( '<' );
         if( ( leftAngle != -1 )
             && ( replyToIdStr.isEmpty() || ( replyToIdStr[0] != '<' ) ) ) {
           // use the last reference, instead of missing In-Reply-To
@@ -660,10 +660,10 @@ void KMFolderMaildir::readFileHeaderIntern(const TQString& dir, const TQString&
         }
 
         // find second last reference
-        leftAngle = referencesStr.findRev( '<', leftAngle - 1 );
+        leftAngle = referencesStr.tqfindRev( '<', leftAngle - 1 );
         if( leftAngle != -1 )
           referencesStr = referencesStr.mid( leftAngle );
-        rightAngle = referencesStr.findRev( '>' );
+        rightAngle = referencesStr.tqfindRev( '>' );
         if( rightAngle != -1 )
           referencesStr.truncate( rightAngle + 1 );
 
@@ -729,7 +729,7 @@ void KMFolderMaildir::readFileHeaderIntern(const TQString& dir, const TQString&
 
       dateStr = dateStr.stripWhiteSpace();
       if (!dateStr.isEmpty())
-        mi->setDate(dateStr);
+        mi->setDate(dateStr.data());
       if ( !uidStr.isEmpty() )
          mi->setUID( uidStr.toULong() );
       mi->setDirty(false);
@@ -1046,7 +1046,7 @@ TQString KMFolderMaildir::constructValidFileName( const TQString & filename,
   if (!suffix_regex)
       suffix_regex_sd.setObject(suffix_regex, new TQRegExp(":2,?R?S?$"));
 
-  aFileName.truncate(aFileName.findRev(*suffix_regex));
+  aFileName.truncate(aFileName.tqfindRev(*suffix_regex));
 
   // only add status suffix if the message is neither new nor unread
   if (! ((status & KMMsgStatusNew) || (status & KMMsgStatusUnread)) )
@@ -1123,7 +1123,7 @@ TQ_INT64 KMFolderMaildir::doFolderSize() const
   item = new KFileItem( S_IFDIR, -1, location() + "/tmp" );
   list.append( item );
   s_DirSizeJobQueue.append(
-    qMakePair( TQGuardedPtr<const KMFolderMaildir>( this ), list ) );
+    tqMakePair( TQGuardedPtr<const KMFolderMaildir>( this ), list ) );
 
   // if there's only one entry in the queue then we can start
   // a dirSizeJob right away
diff --git a/kmail/kmfoldermbox.cpp b/kmail/kmfoldermbox.cpp
index 287ce576..b9bbd1a6 100644
--- a/kmail/kmfoldermbox.cpp
+++ b/kmail/kmfoldermbox.cpp
@@ -109,7 +109,7 @@ int KMFolderMbox::open(const char *owner)
   if (!mStream)
   {
     KNotifyClient::event( 0, "warning",
-    i18n("Cannot open file \"%1\":\n%2").arg(location()).arg(strerror(errno)));
+    i18n("Cannot open file \"%1\":\n%2").tqarg(location()).tqarg(strerror(errno)));
     kdDebug(5006) << "Cannot open folder `" << location() << "': " << strerror(errno) << endl;
     mOpenCount = 0;
     return errno;
@@ -137,8 +137,8 @@ int KMFolderMbox::open(const char *owner)
                            "of KMail</a> for "
                            "information about how to prevent this "
                            "problem from happening again.</p></qt>")
-                      .arg("help:/kmail/faq.html#faq-index-regeneration")
-                      .arg(name());
+                      .tqarg("help:/kmail/faq.html#faq-index-regeneration")
+                      .tqarg(name());
         // When KMail is starting up we have to show a non-blocking message
         // box so that the initialization can continue. We don't show a
         // queued message box when KMail isn't starting up because queued
@@ -164,7 +164,7 @@ int KMFolderMbox::open(const char *owner)
        TQString str;
        mIndexStream = 0;
        str = i18n("Folder `%1' changed. Recreating index.")
-             .arg(name());
+             .tqarg(name());
        emit statusMsg(str);
      } else {
        mIndexStream = fopen(TQFile::encodeName(indexLocation()), "r+"); // index file
@@ -297,7 +297,7 @@ void KMFolderMbox::sync()
   if (mOpenCount > 0)
     if (!mStream || fsync(fileno(mStream)) ||
         !mIndexStream || fsync(fileno(mIndexStream))) {
-    kmkernel->emergencyExit( i18n("Could not sync index file <b>%1</b>: %2").arg( indexLocation() ).arg(errno ? TQString::fromLocal8Bit(strerror(errno)) : i18n("Internal error. Please copy down the details and report a bug.")));
+    kmkernel->emergencyExit( i18n("Could not sync index file <b>%1</b>: %2").tqarg( indexLocation() ).tqarg(errno ? TQString::fromLocal8Bit(strerror(errno)) : i18n("Internal error. Please copy down the details and report a bug.")));
     }
 }
 
@@ -625,7 +625,7 @@ int KMFolderMbox::createIndexFromContents()
           referencesStr = referencesStr.stripWhiteSpace();
           if( !referencesStr.isEmpty() ) {
             int leftAngle, rightAngle;
-            leftAngle = referencesStr.findRev( '<' );
+            leftAngle = referencesStr.tqfindRev( '<' );
             if( ( leftAngle != -1 )
                 && ( replyToIdStr.isEmpty() || ( replyToIdStr[0] != '<' ) ) ) {
               // use the last reference, instead of missing In-Reply-To
@@ -633,10 +633,10 @@ int KMFolderMbox::createIndexFromContents()
             }
 
             // find second last reference
-            leftAngle = referencesStr.findRev( '<', leftAngle - 1 );
+            leftAngle = referencesStr.tqfindRev( '<', leftAngle - 1 );
             if( leftAngle != -1 )
               referencesStr = referencesStr.mid( leftAngle );
-            rightAngle = referencesStr.findRev( '>' );
+            rightAngle = referencesStr.tqfindRev( '>' );
             if( rightAngle != -1 )
               referencesStr.truncate( rightAngle + 1 );
 
@@ -683,7 +683,7 @@ int KMFolderMbox::createIndexFromContents()
                     KMMsgEncryptionStateUnknown, KMMsgSignatureStateUnknown,
                     KMMsgMDNStateUnknown, charset, offs, size, sizeServer, uid );
           mi->setqStatus(status, xstatus);
-          mi->setDate( dateStr.stripWhiteSpace() );
+          mi->setDate( dateStr.stripWhiteSpace().data() );
           mi->setDirty(false);
           mMsgList.append(mi, mExportsSernums );
 
diff --git a/kmail/kmfoldermgr.cpp b/kmail/kmfoldermgr.cpp
index 3d42a2d3..a37f9136 100644
--- a/kmail/kmfoldermgr.cpp
+++ b/kmail/kmfoldermgr.cpp
@@ -146,7 +146,7 @@ void KMFolderMgr::setBasePath(const TQString& aBasePath)
    if ( !info.isDir() ) {
       KMessageBox::sorry(0, i18n("'%1' does not appear to be a folder.\n"
                                  "Please move the file out of the way.")
-                            .arg( mBasePath ) );
+                            .tqarg( mBasePath ) );
       ::exit(-1);
     }
     if ( !info.isReadable() || !info.isWritable() ) {
@@ -154,7 +154,7 @@ void KMFolderMgr::setBasePath(const TQString& aBasePath)
                                "incorrect;\n"
                                "please make sure that you can view and modify "
                                "the content of this folder.")
-                            .arg( mBasePath ) );
+                            .tqarg( mBasePath ) );
       ::exit(-1);
     }
    } else {
@@ -163,7 +163,7 @@ void KMFolderMgr::setBasePath(const TQString& aBasePath)
       KMessageBox::sorry(0, i18n("KMail could not create folder '%1';\n"
                                  "please make sure that you can view and "
                                  "modify the content of the folder '%2'.")
-                            .arg( mBasePath ).arg( TQDir::homeDirPath() ) );
+                            .tqarg( mBasePath ).tqarg( TQDir::homeDirPath() ) );
       ::exit(-1);
     }
   }
@@ -326,7 +326,7 @@ KMFolder* KMFolderMgr::findOrCreate(const TQString& aFolderName, bool sysFldr,
 
     folder = createFolder(aFolderName, sysFldr, type);
     if (!folder) {
-      KMessageBox::error(0,(i18n("Cannot create file `%1' in %2.\nKMail cannot start without it.").arg(aFolderName).arg(mBasePath)));
+      KMessageBox::error(0,(i18n("Cannot create file `%1' in %2.\nKMail cannot start without it.").tqarg(aFolderName).tqarg(mBasePath)));
       exit(-1);
     }
     if ( id > 0 )
diff --git a/kmail/kmfoldersearch.cpp b/kmail/kmfoldersearch.cpp
index 5ebc8b2c..fa36bde5 100644
--- a/kmail/kmfoldersearch.cpp
+++ b/kmail/kmfoldersearch.cpp
@@ -452,7 +452,7 @@ void KMFolderSearch::addSerNum(TQ_UINT32 serNum)
                       << ": folder is " << aFolder << ", index is " << idx << endl;
         return;
     }
-    if(mFolders.findIndex(aFolder) == -1) {
+    if(mFolders.tqfindIndex(aFolder) == -1) {
         aFolder->open("foldersearch");
         mFolders.append(aFolder);
     }
@@ -856,7 +856,7 @@ bool KMFolderSearch::readIndex()
             return false;
         }
         mSerNums.push_back(serNum);
-        if(mFolders.findIndex(folder) == -1) {
+        if(mFolders.tqfindIndex(folder) == -1) {
             if (mInvalid) //exceptional case for when folder has invalid ids
                 return false;
             folder->open("foldersearch");
diff --git a/kmail/kmfoldertree.cpp b/kmail/kmfoldertree.cpp
index edd641cc..c8bde2b6 100644
--- a/kmail/kmfoldertree.cpp
+++ b/kmail/kmfoldertree.cpp
@@ -918,7 +918,7 @@ bool KMFolderTree::checkUnreadFolder (KMFolderTreeItem* fti, bool confirm)
       //  parameter (kept in the config file for kmail)
       if ( KMessageBox::questionYesNo( this,
             i18n( "<qt>Go to the next unread message in folder <b>%1</b>?</qt>" )
-            .arg( fti->folder()->label() ),
+            .tqarg( fti->folder()->label() ),
             i18n( "Go to Next Unread Message" ),
             i18n("Go To"), i18n("Do Not Go To"), // defaults
             "AskNextFolder",
@@ -1115,13 +1115,13 @@ void KMFolderTree::slotContextMenuRequested( TQListViewItem *lvi,
 
     // copy folder
     TQPopupMenu *copyMenu = new TQPopupMenu( folderMenu );
-    folderToPopupMenu( CopyFolder, this, &mMenuToFolder, copyMenu );
+    folderToPopupMenu( CopyFolder, TQT_TQOBJECT(this), &mMenuToFolder, copyMenu );
     folderMenu->insertItem( i18n("&Copy Folder To"), copyMenu );
 
     if ( fti->folder()->isMoveable() && fti->folder()->canDeleteMessages() )
     {
       TQPopupMenu *moveMenu = new TQPopupMenu( folderMenu );
-      folderToPopupMenu( MoveFolder, this, &mMenuToFolder, moveMenu );
+      folderToPopupMenu( MoveFolder, TQT_TQOBJECT(this), &mMenuToFolder, moveMenu );
       folderMenu->insertItem( i18n("&Move Folder To"), moveMenu );
     }
 
@@ -1230,7 +1230,7 @@ void KMFolderTree::contentsMouseReleaseEvent(TQMouseEvent* me)
   }
 
   // react on middle-button only
-  if (btn != TQt::MidButton) {
+  if (btn != Qt::MidButton) {
     KFolderTree::contentsMouseReleaseEvent(me);
     return;
   }
@@ -1280,7 +1280,7 @@ void KMFolderTree::addChildFolder( KMFolder *folder, TQWidget * tqparent )
       const TQString message = i18n( "<qt>Cannot create folder under <b>%1</b> because of insufficient "
                                     "permissions on the server. If you think you should be able to create "
                                     "subfolders here, ask your administrator to grant you rights to do so."
-                                    "</qt> " ).arg(aFolder->label());
+                                    "</qt> " ).tqarg(aFolder->label());
       KMessageBox::error( this, message );
       return;
     }
@@ -1753,10 +1753,10 @@ void KMFolderTree::slotToggleSizeColumn()
 bool KMFolderTree::eventFilter( TQObject *o, TQEvent *e )
 {
   if ( e->type() == TQEvent::MouseButtonPress &&
-      static_cast<TQMouseEvent*>(e)->button() == RightButton &&
+      TQT_TQMOUSEEVENT(e)->button() == Qt::RightButton &&
       o->isA(TQHEADER_OBJECT_NAME_STRING) )
   {
-    mPopup->popup( static_cast<TQMouseEvent*>(e)->globalPos() );
+    mPopup->popup( TQT_TQMOUSEEVENT(e)->globalPos() );
     return true;
   }
   return KFolderTree::eventFilter(o, e);
@@ -1851,7 +1851,7 @@ void KMFolderTree::folderToPopupMenu( MenuAction action, TQObject *receiver,
 {
   while ( menu->count() )
   {
-    TQPopupMenu *popup = menu->findItem( menu->idAt( 0 ) )->popup();
+    TQPopupMenu *popup = menu->tqfindItem( menu->idAt( 0 ) )->popup();
     if ( popup )
       delete popup;
     else
@@ -1987,7 +1987,7 @@ void KMFolderTree::moveOrCopyFolder( TQValueList<TQGuardedPtr<KMFolder> > source
 
     if ( tqparent->hasNamedFolder( sourceFolderName ) || sourceFolderNames.tqcontains( sourceFolderName ) ) {
       KMessageBox::error( this, i18n("<qt>Cannot move or copy folder <b>%1</b> here because a folder with the same name already exists.</qt>")
-          .arg( sourceFolderName ) );
+          .tqarg( sourceFolderName ) );
       setDragEnabled( true );
       return;
     }
@@ -1998,7 +1998,7 @@ void KMFolderTree::moveOrCopyFolder( TQValueList<TQGuardedPtr<KMFolder> > source
     while ( f ) {
       if ( f->moveInProgress() ) {
         KMessageBox::error( this, i18n("<qt>Cannot move or copy folder <b>%1</b> because it is not completely copied itself.</qt>")
-            .arg( sourceFolderName ) );
+            .tqarg( sourceFolderName ) );
         setDragEnabled( true );
         return;
       }
@@ -2016,7 +2016,7 @@ void KMFolderTree::moveOrCopyFolder( TQValueList<TQGuardedPtr<KMFolder> > source
       while ( folderDir && ( folderDir != &kmkernel->folderMgr()->dir() ) &&
           ( folderDir != source->tqparent() ) )
       {
-        if ( folderDir->findRef( source ) != -1 )
+        if ( folderDir->tqfindRef( source ) != -1 )
         {
           KMessageBox::error( this, message );
           setDragEnabled( true );
@@ -2051,7 +2051,7 @@ void KMFolderTree::moveOrCopyFolder( TQValueList<TQGuardedPtr<KMFolder> > source
         continue;
       KMFolderDir *childDir = (*it2)->tqparent();
       do {
-        if ( tqparentDir == childDir || tqparentDir->findRef( childDir->owner() ) != -1 ) {
+        if ( tqparentDir == childDir || tqparentDir->tqfindRef( childDir->owner() ) != -1 ) {
           KMessageBox::error( this, i18n("Moving the selected folders is not possible") );
           setDragEnabled( true );
           return;
diff --git a/kmail/kmheaders.cpp b/kmail/kmheaders.cpp
index f20ceb99..fc282fec 100644
--- a/kmail/kmheaders.cpp
+++ b/kmail/kmheaders.cpp
@@ -144,7 +144,7 @@ KMHeaders::KMHeaders(KMMainWidget *aOwner, TQWidget *tqparent,
   connect(mPopup, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotToggleColumn(int)));
 
   setShowSortIndicator(true);
-  setFocusPolicy( WheelFocus );
+  setFocusPolicy( Qt::WheelFocus );
 
   if (!pixmapsLoaded)
   {
@@ -236,7 +236,7 @@ KMHeaders::~KMHeaders ()
 bool KMHeaders::eventFilter ( TQObject *o, TQEvent *e )
 {
   if ( e->type() == TQEvent::MouseButtonPress &&
-      static_cast<TQMouseEvent*>(e)->button() == RightButton &&
+      TQT_TQMOUSEEVENT(e)->button() == Qt::RightButton &&
       o->isA(TQHEADER_OBJECT_NAME_STRING) )
   {
     // if we currently only show one of either sender/receiver column
@@ -249,7 +249,7 @@ bool KMHeaders::eventFilter ( TQObject *o, TQEvent *e )
       else
         mPopup->changeItem(KPaintInfo::COL_RECEIVER, i18n("Receiver"));
 
-    mPopup->popup( static_cast<TQMouseEvent*>(e)->globalPos() );
+    mPopup->popup( TQT_TQMOUSEEVENT(e)->globalPos() );
     return true;
   }
   return KListView::eventFilter(o, e);
@@ -429,10 +429,10 @@ void KMHeaders::readColorConfig (void)
   KConfig* config = KMKernel::config();
   // Custom/System colors
   KConfigGroupSaver saver(config, "Reader");
-  TQColor c1=TQColor(kapp->palette().active().text());
+  TQColor c1=TQColor(kapp->tqpalette().active().text());
   TQColor c2=TQColor("red");
   TQColor c3=TQColor("blue");
-  TQColor c4=TQColor(kapp->palette().active().base());
+  TQColor c4=TQColor(kapp->tqpalette().active().base());
   TQColor c5=TQColor(0,0x7F,0);
   TQColor c6=TQColor(0,0x98,0);
   TQColor c7=KGlobalSettings::alternateBackgroundColor();
@@ -1163,11 +1163,11 @@ void KMHeaders::msgRemoved(int id, TQString msgId )
       }
 
       if ((!tqparent || sci->isImperfectlyThreaded())
-                      && !mImperfectlyThreadedList.containsRef(item))
+                      && !mImperfectlyThreadedList.tqcontainsRef(item))
         mImperfectlyThreadedList.append(item);
 
       if (tqparent && !sci->isImperfectlyThreaded()
-          && mImperfectlyThreadedList.containsRef(item))
+          && mImperfectlyThreadedList.tqcontainsRef(item))
         mImperfectlyThreadedList.removeRef(item);
     }
   }
@@ -1178,7 +1178,7 @@ void KMHeaders::msgRemoved(int id, TQString msgId )
   mImperfectlyThreadedList.removeRef( removedItem );
 #ifdef DEBUG
   // This should never happen, in this case the folders are inconsistent.
-  while ( mImperfectlyThreadedList.findRef( removedItem ) != -1 ) {
+  while ( mImperfectlyThreadedList.tqfindRef( removedItem ) != -1 ) {
     mImperfectlyThreadedList.remove();
     kdDebug(5006) << "Remove doubled item from mImperfectlyThreadedList: " << removedItem << endl;
   }
@@ -1371,10 +1371,10 @@ void KMHeaders::setStyleDependantFrameWidth()
 {
   // set the width of the frame to a reasonable value for the current GUI style
   int frameWidth;
-  if( style().isA("KeramikStyle") )
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
+  if( tqstyle().isA("KeramikStyle") )
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
   else
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
   if ( frameWidth < 0 )
     frameWidth = 0;
   if ( frameWidth != lineWidth() )
@@ -1399,10 +1399,10 @@ void KMHeaders::setFolderInfotqStatus ()
   else
     str = unread ? i18n( "1 unread", "%n unread", unread ) : i18n( "0 unread" );
   const int count = mFolder->count();
-  str = count ? i18n( "1 message, %1.", "%n messages, %1.", count ).arg( str )
+  str = count ? i18n( "1 message, %1.", "%n messages, %1.", count ).tqarg( str )
               : i18n( "0 messages" ); // no need for "0 unread" to be added here
   if ( mFolder->isReadOnly() )
-    str = i18n("%1 = n messages, m unread.", "%1 Folder is read-only.").arg( str );
+    str = i18n("%1 = n messages, m unread.", "%1 Folder is read-only.").tqarg( str );
   BroadcastqStatus::instance()->seStatusMsg(str);
 }
 
@@ -1451,7 +1451,7 @@ void KMHeaders::applyFiltersOnMsg()
       if ( msgCountToFilter - msgCount < 10 || !( msgCount % 20 ) || msgCount <= 10 ) {
         progressItem->updateProgress();
         TQString statusMsg = i18n("Filtering message %1 of %2");
-        statusMsg = statusMsg.arg( msgCount ).arg( msgCountToFilter );
+        statusMsg = statusMsg.tqarg( msgCount ).tqarg( msgCountToFilter );
         KPIM::BroadcastqStatus::instance()->seStatusMsg( statusMsg );
         KApplication::kApplication()->eventLoop()->processEvents( TQEventLoop::ExcludeUserInput, 50 );
       }
@@ -2333,12 +2333,12 @@ void KMHeaders::contentsMousePressEvent(TQMouseEvent* e)
     if ( e->state() & ControlButton )
       setSelected( lvi, !wasSelected );
 
-    if ((e->button() == LeftButton) )
+    if ((e->button() == Qt::LeftButton) )
       mMousePressed = true;
   }
 
   // check if we are on a status column and toggle it
-  if ( lvi && e->button() == LeftButton  && !( e->state() & (ShiftButton | ControlButton | AltButton | MetaButton) ) ) {
+  if ( lvi && e->button() == Qt::LeftButton  && !( e->state() & (ShiftButton | ControlButton | AltButton | MetaButton) ) ) {
     bool flagsToggleable = GlobalSettings::self()->allowLocalFlags() || !(mFolder ? mFolder->isReadOnly() : true);
     int section = header()->sectionAt( e->pos().x() );
     HeaderItem *item = static_cast<HeaderItem*>( lvi );
@@ -2366,7 +2366,7 @@ void KMHeaders::contentsMousePressEvent(TQMouseEvent* e)
 //-----------------------------------------------------------------------------
 void KMHeaders::contentsMouseReleaseEvent(TQMouseEvent* e)
 {
-  if (e->button() != RightButton)
+  if (e->button() != Qt::RightButton)
     KListView::contentsMouseReleaseEvent(e);
 
   mMousePressed = false;
@@ -2465,7 +2465,7 @@ void KMHeaders::slotRMB()
   menu->insertSeparator();
 
   TQPopupMenu *msgCopyMenu = new TQPopupMenu(menu);
-  mOwner->folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, this,
+  mOwner->folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, TQT_TQOBJECT(this),
       &mMenuToFolder, msgCopyMenu );
   menu->insertItem(i18n("&Copy To"), msgCopyMenu);
 
@@ -2474,7 +2474,7 @@ void KMHeaders::slotRMB()
     menu->setItemEnabled( id, false );
   } else {
     TQPopupMenu *msgMoveMenu = new TQPopupMenu(menu);
-    mOwner->folderTree()->folderToPopupMenu( KMFolderTree::MoveMessage, this,
+    mOwner->folderTree()->folderToPopupMenu( KMFolderTree::MoveMessage, TQT_TQOBJECT(this),
         &mMenuToFolder, msgMoveMenu );
     menu->insertItem(i18n("&Move To"), msgMoveMenu);
   }
@@ -2815,7 +2815,7 @@ bool KMHeaders::writeSortOrder()
         unlink(TQFile::encodeName(sortFile));
         kdWarning(5006) << "Error: Failure modifying " << sortFile << " (No space left on tqdevice?)" << endl;
         kdWarning(5006) << __FILE__ << ":" << __LINE__ << endl;
-        kmkernel->emergencyExit( i18n("Failure modifying %1\n(No space left on tqdevice?)").arg( sortFile ));
+        kmkernel->emergencyExit( i18n("Failure modifying %1\n(No space left on tqdevice?)").tqarg( sortFile ));
     }
     fclose(sortStream);
     ::rename(TQFile::encodeName(tempName), TQFile::encodeName(sortFile));
@@ -2855,7 +2855,7 @@ void KMHeaders::appendItemToSortFile(HeaderItem *khi)
         unlink(TQFile::encodeName(sortFile));
         kdWarning(5006) << "Error: Failure modifying " << sortFile << " (No space left on tqdevice?)" << endl;
         kdWarning(5006) << __FILE__ << ":" << __LINE__ << endl;
-        kmkernel->emergencyExit( i18n("Failure modifying %1\n(No space left on tqdevice?)").arg( sortFile ));
+        kmkernel->emergencyExit( i18n("Failure modifying %1\n(No space left on tqdevice?)").tqarg( sortFile ));
     }
     fclose(sortStream);
   } else {
@@ -3557,7 +3557,7 @@ void KMHeaders::cutMessages()
 
 void KMHeaders::pasteMessages()
 {
-  new MessageCopyHelper( mCopiedMessages, folder(), mMoveMessages, this );
+  new MessageCopyHelper( mCopiedMessages, folder(), mMoveMessages, TQT_TQOBJECT(this) );
   if ( mMoveMessages ) {
     mCopiedMessages.clear();
     updateActions();
diff --git a/kmail/kmkernel.cpp b/kmail/kmkernel.cpp
index 0eb1a116..1d302c26 100644
--- a/kmail/kmkernel.cpp
+++ b/kmail/kmkernel.cpp
@@ -207,7 +207,7 @@ bool KMKernel::handleCommandLine( bool noArgsOpensReader )
 
   // process args:
   KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
-  if (args->getOption("subject"))
+  if (!args->getOption("subject").isNull())
   {
      subj = TQString::fromLocal8Bit(args->getOption("subject"));
      // if kmail is called with 'kmail -session abc' then this doesn't mean
@@ -225,25 +225,25 @@ bool KMKernel::handleCommandLine( bool noArgsOpensReader )
        mailto = true;
   }
 
-  if (args->getOption("cc"))
+  if (!args->getOption("cc").isNull())
   {
      mailto = true;
      cc = TQString::fromLocal8Bit(args->getOption("cc"));
   }
 
-  if (args->getOption("bcc"))
+  if (!args->getOption("bcc").isNull())
   {
      mailto = true;
      bcc = TQString::fromLocal8Bit(args->getOption("bcc"));
   }
 
-  if (args->getOption("msg"))
+  if (!args->getOption("msg").isNull())
   {
      mailto = true;
      messageFile.setPath( TQString::fromLocal8Bit(args->getOption("msg")) );
   }
 
-  if (args->getOption("body"))
+  if (!args->getOption("body").isNull())
   {
      mailto = true;
      body = TQString::fromLocal8Bit(args->getOption("body"));
@@ -266,7 +266,7 @@ bool KMKernel::handleCommandLine( bool noArgsOpensReader )
   if (args->isSet("check"))
     checkMail = true;
 
-  if ( args->getOption( "view" ) ) {
+  if ( !args->getOption( "view" ).isNull() ) {
     viewOnly = true;
     const TQString filename =
       TQString::fromLocal8Bit( args->getOption( "view" ) );
@@ -404,7 +404,7 @@ int KMKernel::openComposer (const TQString &to, const TQString &cc,
   if (!messageFile.isEmpty() && messageFile.isLocalFile()) {
     TQCString str = KPIM::kFileToString( messageFile.path(), true, false );
     if( !str.isEmpty() ) {
-      msg->setBody( TQString::fromLocal8Bit( str ).utf8() );
+      msg->setBody( TQString(TQString::fromLocal8Bit( str )).utf8() );
     } else {
       TemplateParser parser( msg, TemplateParser::NewMessage );
       parser.process( NULL, NULL );
@@ -937,7 +937,7 @@ int KMKernel::dcopAddMessage( const TQString & foldername,const KURL & msgUrl,
 	msgId += msg->dateStr();
       }
 
-      int k = mAddMessageMsgIds.findIndex( msgId );
+      int k = mAddMessageMsgIds.tqfindIndex( msgId );
       //fprintf(stderr,"tqfind %s = %d\n",(const char *) msgId,k);
 
       if ( k == -1 ) {
@@ -1211,9 +1211,9 @@ TQString KMKernel::debugSernum( TQ_UINT32 serialNumber )
       msg = folder->getMsgBase( idx );
       if (msg) {
         res.append( TQString( " subject %s,\n sender %s,\n date %s.\n" )
-                             .arg( msg->subject() )
-                             .arg( msg->fromStrip() )
-                             .arg( msg->dateStr() ) );
+                             .tqarg( msg->subject() )
+                             .tqarg( msg->fromStrip() )
+                             .tqarg( msg->dateStr() ) );
       } else {
         res.append( TQString( "Invalid serial number." ) );
       }
@@ -1360,7 +1360,7 @@ void KMKernel::testDir(const char *_name)
       KMessageBox::sorry(0, i18n("KMail could not create folder '%1';\n"
                                  "please make sure that you can view and "
                                  "modify the content of the folder '%2'.")
-                            .arg( foldersPath ).arg( TQDir::homeDirPath() ) );
+                            .tqarg( foldersPath ).tqarg( TQDir::homeDirPath() ) );
       ::exit(-1);
     }
   }
@@ -1369,7 +1369,7 @@ void KMKernel::testDir(const char *_name)
                                "incorrect;\n"
                                "please make sure that you can view and modify "
                                "the content of this folder.")
-                          .arg( foldersPath ) );
+                          .tqarg( foldersPath ) );
     ::exit(-1);
   }
 }
@@ -1673,7 +1673,7 @@ void KMKernel::cleanupImapFolders()
       cfld = static_cast<KMFolderCachedImap*>(the_dimapFolderMgr->createFolder(TQString::number(acct->id()),
             false, KMFolderTypeCachedImap)->storage());
       if (!cfld) {
-        KMessageBox::error(0,(i18n("Cannot create file `%1' in %2.\nKMail cannot start without it.").arg(acct->name()).arg(the_dimapFolderMgr->basePath())));
+        KMessageBox::error(0,(i18n("Cannot create file `%1' in %2.\nKMail cannot start without it.").tqarg(acct->name()).tqarg(the_dimapFolderMgr->basePath())));
         exit(-1);
       }
       cfld->folder()->setId( acct->id() );
@@ -1884,8 +1884,8 @@ bool KMKernel::transferMail( TQString & destinationDir )
                 "the same name in <i>%7</i>.<p>"
                 "<strong>Would you like %3 to move the mail "
                 "files now?</strong></qt>" )
-          .arg( kmailName, kmailName, kmailName )
-          .arg( dir, destinationDir, dir, destinationDir );
+          .tqarg( kmailName, kmailName, kmailName )
+          .tqarg( dir, destinationDir, dir, destinationDir );
   } else {
     msg = i18n( "%1-%3 is the application name, %4-%6 are folder path",
                 "<qt>The <i>%4</i> folder exists. "
@@ -1894,8 +1894,8 @@ bool KMKernel::transferMail( TQString & destinationDir )
                 "this folder for you.<p>"
                 "<strong>Would you like %3 to move the mail "
                 "files now?</strong></qt>" )
-          .arg( kmailName, kmailName, kmailName )
-          .arg( dir, destinationDir, dir );
+          .tqarg( kmailName, kmailName, kmailName )
+          .tqarg( dir, destinationDir, dir );
   }
   TQString title = i18n( "Migrate Mail Files?" );
   TQString buttonText = i18n( "Move" );
@@ -1968,7 +1968,7 @@ void KMKernel::dumpDeadLetters()
     return;
 
   for ( TQPtrListIterator<KMainWindow> it(*KMainWindow::memberList) ; it.current() != 0; ++it ) {
-    if ( KMail::Composer * win = ::qt_cast<KMail::Composer*>( it.current() ) ) {
+    if ( KMail::Composer * win = ::tqqt_cast<KMail::Composer*>( it.current() ) ) {
       win->autoSaveMessage();
       // saving the message has to be finished right here, we are called from a dtor,
       // therefore we have no chance to finish this later
@@ -2047,7 +2047,7 @@ void KMKernel::slotResult(KIO::Job *job)
     {
       if (KMessageBox::warningContinueCancel(0,
         i18n("File %1 exists.\nDo you want to replace it?")
-        .arg((*it).url.prettyURL()), i18n("Save to File"), i18n("&Replace"))
+        .tqarg((*it).url.prettyURL()), i18n("Save to File"), i18n("&Replace"))
         == KMessageBox::Continue)
         byteArrayToRemoteFile((*it).data, (*it).url, true);
     }
@@ -2108,7 +2108,7 @@ bool KMKernel::haveSystemTrayApplet()
 
 bool KMKernel::registerSystemTrayApplet( const KSystemTray* applet )
 {
-  if ( systemTrayApplets.findIndex( applet ) == -1 ) {
+  if ( systemTrayApplets.tqfindIndex( applet ) == -1 ) {
     systemTrayApplets.append( applet );
     return true;
   }
@@ -2135,7 +2135,7 @@ void KMKernel::emergencyExit( const TQString& reason )
     mesg = i18n("KMail encountered a fatal error and will terminate now");
   } else {
     mesg = i18n("KMail encountered a fatal error and will "
-                      "terminate now.\nThe error was:\n%1").arg( reason );
+                      "terminate now.\nThe error was:\n%1").tqarg( reason );
   }
 
   kdWarning() << mesg << endl;
diff --git a/kmail/kmlineeditspell.cpp b/kmail/kmlineeditspell.cpp
index de50cd78..86acaef7 100644
--- a/kmail/kmlineeditspell.cpp
+++ b/kmail/kmlineeditspell.cpp
@@ -132,7 +132,7 @@ void KMLineEdit::dropEvent( TQDropEvent *event )
           KIO::NetAccess::removeTempFile( fileName );
         } else {
           TQString caption( i18n( "vCard Import Failed" ) );
-          TQString text = i18n( "<qt>Unable to access <b>%1</b>.</qt>" ).arg( (*it).url() );
+          TQString text = i18n( "<qt>Unable to access <b>%1</b>.</qt>" ).tqarg( (*it).url() );
           KMessageBox::error( tqparentWidget(), text, caption );
         }
       }
diff --git a/kmail/kmmainwidget.cpp b/kmail/kmmainwidget.cpp
index e573af2a..1311de1c 100644
--- a/kmail/kmmainwidget.cpp
+++ b/kmail/kmmainwidget.cpp
@@ -204,7 +204,7 @@ KMMainWidget::KMMainWidget(TQWidget *tqparent, const char *name,
 
   activatePanners();
 
-  TQTimer::singleShot( 0, this, TQT_SLOT( slotShowStartupFolder() ));
+  TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT( slotShowStartupFolder() ));
 
   connect( kmkernel->acctMgr(), TQT_SIGNAL( checkedMail( bool, bool, const TQMap<TQString, int> & ) ),
            this, TQT_SLOT( slotMailChecked( bool, bool, const TQMap<TQString, int> & ) ) );
@@ -252,7 +252,7 @@ KMMainWidget::KMMainWidget(TQWidget *tqparent, const char *name,
   mVacationScriptIndicator->hide();
   connect( mVacationScriptIndicator, TQT_SIGNAL(itemReleased(int)), TQT_SLOT(slotEditVacation()) );
   if ( GlobalSettings::checkOutOfOfficeOnStartup() )
-    TQTimer::singleShot( 0, this, TQT_SLOT(slotCheckVacation()) );
+    TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT(slotCheckVacation()) );
 }
 
 
@@ -469,7 +469,7 @@ void KMMainWidget::readConfig(void)
       bool check = config->readBoolEntry("checkmail-startup", false);
       if (check)
         // do it after building the kmmainwin, so that the progressdialog is available
-        TQTimer::singleShot( 0, this, TQT_SLOT( slotCheckMail() ) );
+        TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT( slotCheckMail() ) );
     }
   }
 
@@ -559,9 +559,9 @@ void KMMainWidget::createWidgets(void)
   if ( mLongFolderList ) {
     // superior splitter: folder tree vs. rest
     // inferior splitter: headers vs. message vs. mime tree
-    mPanner1 = new TQSplitter( TQt::Horizontal, this, "panner 1" );
+    mPanner1 = new TQSplitter( Qt::Horizontal, this, "panner 1" );
     mPanner1->setOpaqueResize( opaqueResize );
-    Qt::Orientation orientation = mReaderWindowBelow ? TQt::Vertical : TQt::Horizontal;
+    Qt::Orientation orientation = mReaderWindowBelow ? Qt::Vertical : Qt::Horizontal;
     mPanner2 = new TQSplitter( orientation, mPanner1, "panner 2" );
     mPanner2->setOpaqueResize( opaqueResize );
     mPanner2->setChildrenCollapsible( false );
@@ -570,10 +570,10 @@ void KMMainWidget::createWidgets(void)
   } else /* !mLongFolderList */ {
     // superior splitter: ( folder tree + headers ) vs. message vs. mime
     // inferior splitter: folder tree vs. headers
-    mPanner1 = new TQSplitter( TQt::Vertical, this, "panner 1" );
+    mPanner1 = new TQSplitter( Qt::Vertical, this, "panner 1" );
     mPanner1->setOpaqueResize( opaqueResize );
     mPanner1->setChildrenCollapsible( false );
-    mPanner2 = new TQSplitter( TQt::Horizontal, mPanner1, "panner 2" );
+    mPanner2 = new TQSplitter( Qt::Horizontal, mPanner1, "panner 2" );
     mPanner2->setOpaqueResize( opaqueResize );
     headerParent = mFolderViewParent = mPanner2;
     mimeParent = messageParent = mPanner1;
@@ -606,7 +606,7 @@ void KMMainWidget::createWidgets(void)
   mQuickSearchLine = new KListViewIndexedSearchLine( mSearchToolBar, mHeaders,
                                                     actionCollection(), "headers quick search line" );
 #else
-  mQuickSearchLine = new HeaderListQuickSearch( mSearchToolBar, mHeaders,
+  mQuickSearchLine = new HeaderListQuickSearch( mSearchToolBar, TQT_TQOBJECT(mHeaders),
 						actionCollection(), "headers quick search line" );
 #endif
   label->setBuddy( mQuickSearchLine );
@@ -632,7 +632,7 @@ void KMMainWidget::createWidgets(void)
                      mHeaders, TQT_SLOT(selectNextMessage()));
 
   if (mReaderWindowActive) {
-    mMsgView = new KMReaderWin(messageParent, this, actionCollection(), 0 );
+    mMsgView = new KMReaderWin(messageParent, TQT_TQWIDGET(this), actionCollection(), 0 );
     if ( mMsgActions ) {
       mMsgActions->setMessageView( mMsgView );
     }
@@ -661,23 +661,23 @@ void KMMainWidget::createWidgets(void)
 
   KAction *action;
 
-  mMoveMsgToFolderAction = new KAction( i18n("Move Message to Folder"), Key_M, this,
+  mMoveMsgToFolderAction = new KAction( i18n("Move Message to Folder"), Key_M, TQT_TQOBJECT(this),
                TQT_SLOT(slotMoveMsg()), actionCollection(),
                "move_message_to_folder" );
   mMoveMsgToFolderAction->plugAccel( actionCollection()->kaccel() );
 
-  action = new KAction( i18n("Copy Message to Folder"), Key_C, this,
+  action = new KAction( i18n("Copy Message to Folder"), Key_C, TQT_TQOBJECT(this),
                TQT_SLOT(slotCopyMsg()), actionCollection(),
                "copy_message_to_folder" );
   action->plugAccel( actionCollection()->kaccel() );
 
-  action = new KAction( i18n("Jump to Folder"), Key_J, this,
+  action = new KAction( i18n("Jump to Folder"), Key_J, TQT_TQOBJECT(this),
                TQT_SLOT(slotJumpToFolder()), actionCollection(),
                "jump_to_folder" );
   action->plugAccel( actionCollection()->kaccel() );
 
   // create list of folders
-  mFolderViewSplitter = new TQSplitter( TQt::Vertical, mFolderViewParent );
+  mFolderViewSplitter = new TQSplitter( Qt::Vertical, mFolderViewParent );
   mFolderViewSplitter->setOpaqueResize( KGlobalSettings::opaqueResize() );
   mFavoriteFolderView = new KMail::FavoriteFolderView( this, mFolderViewSplitter );
   if ( mFavoritesCheckMailAction )
@@ -714,7 +714,7 @@ void KMMainWidget::createWidgets(void)
 
   //Commands not worthy of menu items, but that deserve configurable keybindings
   mRemoveDuplicatesAction = new KAction(
-    i18n("Remove Duplicate Messages"), CTRL+Key_Asterisk, this,
+    i18n("Remove Duplicate Messages"), CTRL+Key_Asterisk, TQT_TQOBJECT(this),
     TQT_SLOT(removeDuplicates()), actionCollection(), "remove_duplicate_messages");
   action->plugAccel( actionCollection()->kaccel() );
 
@@ -724,32 +724,32 @@ void KMMainWidget::createWidgets(void)
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-   i18n("Focus on Next Folder"), CTRL+Key_Right, mFolderTree,
+   i18n("Focus on Next Folder"), CTRL+Key_Right, TQT_TQOBJECT(mFolderTree),
    TQT_SLOT(incCurrentFolder()), actionCollection(), "inc_current_folder");
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-   i18n("Focus on Previous Folder"), CTRL+Key_Left, mFolderTree,
+   i18n("Focus on Previous Folder"), CTRL+Key_Left, TQT_TQOBJECT(mFolderTree),
    TQT_SLOT(decCurrentFolder()), actionCollection(), "dec_current_folder");
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-   i18n("Select Folder with Focus"), CTRL+Key_Space, mFolderTree,
+   i18n("Select Folder with Focus"), CTRL+Key_Space, TQT_TQOBJECT(mFolderTree),
    TQT_SLOT(selectCurrentFolder()), actionCollection(), "select_current_folder");
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-    i18n("Focus on Next Message"), ALT+Key_Right, mHeaders,
+    i18n("Focus on Next Message"), ALT+Key_Right, TQT_TQOBJECT(mHeaders),
     TQT_SLOT(incCurrentMessage()), actionCollection(), "inc_current_message");
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-    i18n("Focus on Previous Message"), ALT+Key_Left, mHeaders,
+    i18n("Focus on Previous Message"), ALT+Key_Left, TQT_TQOBJECT(mHeaders),
     TQT_SLOT(decCurrentMessage()), actionCollection(), "dec_current_message");
   action->plugAccel( actionCollection()->kaccel() );
 
   action = new KAction(
-    i18n("Select Message with Focus"), ALT+Key_Space, mHeaders,
+    i18n("Select Message with Focus"), ALT+Key_Space, TQT_TQOBJECT(mHeaders),
     TQT_SLOT( selectCurrentMessage() ), actionCollection(), "select_current_message");
   action->plugAccel( actionCollection()->kaccel() );
 
@@ -950,7 +950,7 @@ void KMMainWidget::slotMailChecked( bool newMail, bool sendOnCheck,
         summary += "<br>" + i18n( "1 new message in %1",
                                   "%n new messages in %1",
                                   newInFolder.tqfind( *it ).data() )
-                            .arg( folder->prettyURL() );
+                            .tqarg( folder->prettyURL() );
       }
     }
   }
@@ -965,7 +965,7 @@ void KMMainWidget::slotMailChecked( bool newMail, bool sendOnCheck,
   if ( GlobalSettings::self()->verboseNewMailNotification() ) {
     summary = i18n( "%1 is a list of the number of new messages per folder",
                     "<b>New mail arrived</b><br>%1" )
-              .arg( summary );
+              .tqarg( summary );
   }
   else {
     summary = i18n( "New mail arrived" );
@@ -1097,7 +1097,7 @@ void KMMainWidget::modifyFolder( KMFolderTreeItem* folderItem )
   KMFolder* folder = folderItem->folder();
   KMFolderTree* folderTree = static_cast<KMFolderTree *>( folderItem->listView() );
   KMFolderDialog props( folder, folder->tqparent(), folderTree,
-                        i18n("Properties of Folder %1").arg( folder->label() ) );
+                        i18n("Properties of Folder %1").tqarg( folder->label() ) );
   props.exec();
   updateFolderMenu();
   //Kolab issue 2152
@@ -1129,7 +1129,7 @@ void KMMainWidget::slotExpireFolder()
   KConfigGroupSaver saver(config, "General");
 
   if (config->readBoolEntry("warn-before-expire", true)) {
-    str = i18n("<qt>Are you sure you want to expire the folder <b>%1</b>?</qt>").arg(TQStyleSheet::escape( mFolder->label() ));
+    str = i18n("<qt>Are you sure you want to expire the folder <b>%1</b>?</qt>").tqarg(TQStyleSheet::escape( mFolder->label() ));
     if (KMessageBox::warningContinueCancel(this, str, i18n("Expire Folder"),
 					   i18n("&Expire"))
 	!= KMessageBox::Continue) return;
@@ -1152,7 +1152,7 @@ void KMMainWidget::slotEmptyFolder()
     TQString text = (isTrash) ?
       i18n("Are you sure you want to empty the trash folder?") :
       i18n("<qt>Are you sure you want to move all messages from "
-           "folder <b>%1</b> to the trash?</qt>").arg( TQStyleSheet::escape( mFolder->label() ) );
+           "folder <b>%1</b> to the trash?</qt>").tqarg( TQStyleSheet::escape( mFolder->label() ) );
 
     if (KMessageBox::warningContinueCancel(this, text, title, KGuiItem( title, "edittrash"))
       != KMessageBox::Continue) return;
@@ -1209,14 +1209,14 @@ void KMMainWidget::slotRemoveFolder()
     title = i18n("Delete Search");
     str = i18n("<qt>Are you sure you want to delete the search <b>%1</b>?<br>"
                 "Any messages it shows will still be available in their original folder.</qt>")
-           .arg( TQStyleSheet::escape( mFolder->label() ) );
+           .tqarg( TQStyleSheet::escape( mFolder->label() ) );
   } else {
     title = i18n("Delete Folder");
     if ( mFolder->count() == 0 ) {
       if ( !mFolder->child() || mFolder->child()->isEmpty() ) {
         str = i18n("<qt>Are you sure you want to delete the empty folder "
                    "<b>%1</b>?</qt>")
-              .arg( TQStyleSheet::escape( mFolder->label() ) );
+              .tqarg( TQStyleSheet::escape( mFolder->label() ) );
       }
       else {
         str = i18n("<qt>Are you sure you want to delete the empty folder "
@@ -1224,7 +1224,7 @@ void KMMainWidget::slotRemoveFolder()
                    "not be empty and their contents will be discarded as well. "
                    "<p><b>Beware</b> that discarded messages are not saved "
                    "into your Trash folder and are permanently deleted.</qt>")
-              .arg( TQStyleSheet::escape( mFolder->label() ) );
+              .tqarg( TQStyleSheet::escape( mFolder->label() ) );
       }
     } else {
       if ( !mFolder->child() || mFolder->child()->isEmpty() ) {
@@ -1232,14 +1232,14 @@ void KMMainWidget::slotRemoveFolder()
                    "<b>%1</b>, discarding its contents? "
                    "<p><b>Beware</b> that discarded messages are not saved "
                    "into your Trash folder and are permanently deleted.</qt>")
-              .arg( TQStyleSheet::escape( mFolder->label() ) );
+              .tqarg( TQStyleSheet::escape( mFolder->label() ) );
       }
       else {
         str = i18n("<qt>Are you sure you want to delete the folder <b>%1</b> "
                    "and all its subfolders, discarding their contents? "
                    "<p><b>Beware</b> that discarded messages are not saved "
                    "into your Trash folder and are permanently deleted.</qt>")
-            .arg( TQStyleSheet::escape( mFolder->label() ) );
+            .tqarg( TQStyleSheet::escape( mFolder->label() ) );
       }
     }
   }
@@ -1636,7 +1636,7 @@ void KMMainWidget::updateListFilterAction()
     mListFilterAction->setEnabled( false );
   else {
     mListFilterAction->setEnabled( true );
-    mListFilterAction->setText( i18n( "Filter on Mailing-List %1..." ).arg( lname ) );
+    mListFilterAction->setText( i18n( "Filter on Mailing-List %1..." ).tqarg( lname ) );
   }
 }
 
@@ -1717,7 +1717,7 @@ void KMMainWidget::slotCheckVacation()
   if ( !kmkernel->askToGoOnline() )
     return;
 
-  Vacation *vac = new Vacation( this, true /* check only */ );
+  Vacation *vac = new Vacation( TQT_TQOBJECT(this), true /* check only */ );
   connect( vac, TQT_SIGNAL(scriptActive(bool)), TQT_SLOT(updateVactionScriptqStatus(bool)) );
 }
 
@@ -1730,7 +1730,7 @@ void KMMainWidget::slotEditVacation()
   if ( mVacation )
     return;
 
-  mVacation = new Vacation( this );
+  mVacation = new Vacation( TQT_TQOBJECT(this) );
   connect( mVacation, TQT_SIGNAL(scriptActive(bool)), TQT_SLOT(updateVactionScriptqStatus(bool)) );
   if ( mVacation->isUsable() ) {
     connect( mVacation, TQT_SIGNAL(result(bool)), mVacation, TQT_SLOT(deleteLater()) );
@@ -1848,7 +1848,7 @@ void KMMainWidget::setupForwardActions()
     mForwardActionMenu->insert( mForwardAttachedAction, 1 );
     mForwardInlineAction->setShortcut( Key_F );
     mForwardAttachedAction->setShortcut( SHIFT+Key_F );
-    connect( mForwardActionMenu, TQT_SIGNAL(activated()), this,
+    connect( mForwardActionMenu, TQT_SIGNAL(activated()), TQT_TQOBJECT(this),
             TQT_SLOT(slotForwardInlineMsg()) );
 
   } else {
@@ -1856,7 +1856,7 @@ void KMMainWidget::setupForwardActions()
     mForwardActionMenu->insert( mForwardInlineAction, 1 );
     mForwardInlineAction->setShortcut( SHIFT+Key_F );
     mForwardAttachedAction->setShortcut( Key_F );
-    connect( mForwardActionMenu, TQT_SIGNAL(activated()), this,
+    connect( mForwardActionMenu, TQT_SIGNAL(activated()), TQT_TQOBJECT(this),
             TQT_SLOT(slotForwardAttachedMsg()) );
   }
 }
@@ -2060,7 +2060,7 @@ void KMMainWidget::folderSelected( KMFolder* aFolder, bool forceJumpToUnread )
       // Set a timer to show a splash screen if fetching folder contents
       // takes more than the amount of seconds configured in the kmailrc (default 1000 msec)
       mShowBusySplashTimer = new TQTimer( this );
-      connect( mShowBusySplashTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( slotShowBusySplash() ) );
+      connect( mShowBusySplashTimer, TQT_SIGNAL( timeout() ), TQT_TQOBJECT(this), TQT_SLOT( slotShowBusySplash() ) );
       mShowBusySplashTimer->start( GlobalSettings::self()->folderLoadingTimeout(), true );
       return;
     } else {
@@ -2191,7 +2191,7 @@ void KMMainWidget::slotReplaceMsgByUnencryptedVersion()
         TQString prefix("DecryptedMsg.");
         int oldIdx = msgId.tqfind(prefix, 0, false);
         if( -1 == oldIdx ) {
-          int leftAngle = msgId.findRev( '<' );
+          int leftAngle = msgId.tqfindRev( '<' );
           msgId = msgId.insert( (-1 == leftAngle) ? 0 : ++leftAngle, prefix );
         }
         else {
@@ -2508,26 +2508,26 @@ void KMMainWidget::updateCustomTemplateMenus()
     new KActionMenu( i18n("Forward With Custom Template"),
                      "mail_custom_forward",
                      actionCollection(), "custom_forward" );
-  TQSignalMapper *mCustomForwardMapper = new TQSignalMapper( this );
+  TQSignalMapper *mCustomForwardMapper = new TQSignalMapper( TQT_TQOBJECT(this) );
   connect( mCustomForwardMapper, TQT_SIGNAL( mapped( int ) ),
-           this, TQT_SLOT( slotCustomForwardMsg( int ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotCustomForwardMsg( int ) ) );
   mForwardActionMenu->insert( mCustomForwardActionMenu );
 
   mCustomReplyActionMenu =
     new KActionMenu( i18n("Reply With Custom Template"), "mail_custom_reply",
                      actionCollection(), "custom_reply" );
-  TQSignalMapper *mCustomReplyMapper = new TQSignalMapper( this );
+  TQSignalMapper *mCustomReplyMapper = new TQSignalMapper( TQT_TQOBJECT(this) );
   connect( mCustomReplyMapper, TQT_SIGNAL( mapped( int ) ),
-           this, TQT_SLOT( slotCustomReplyToMsg( int ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotCustomReplyToMsg( int ) ) );
   mMsgActions->replyMenu()->insert( mCustomReplyActionMenu );
 
   mCustomReplyAllActionMenu =
     new KActionMenu( i18n("Reply to All With Custom Template"),
                      "mail_custom_reply_all",
                      actionCollection(), "custom_reply_all" );
-  TQSignalMapper *mCustomReplyAllMapper = new TQSignalMapper( this );
+  TQSignalMapper *mCustomReplyAllMapper = new TQSignalMapper( TQT_TQOBJECT(this) );
   connect( mCustomReplyAllMapper, TQT_SIGNAL( mapped( int ) ),
-           this, TQT_SLOT( slotCustomReplyAllToMsg( int ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( slotCustomReplyAllToMsg( int ) ) );
   mMsgActions->replyMenu()->insert( mCustomReplyAllActionMenu );
 
   mCustomTemplates.clear();
@@ -2644,21 +2644,21 @@ void KMMainWidget::setupActions()
   //----- File Menu
   mSaveAsAction = new KAction( i18n("Save &As..."), "filesave",
     KStdAccel::shortcut(KStdAccel::Save),
-    this, TQT_SLOT(slotSaveMsg()), actionCollection(), "file_save_as" );
+    TQT_TQOBJECT(this), TQT_SLOT(slotSaveMsg()), actionCollection(), "file_save_as" );
 
-  mOpenAction = KStdAction::open( this, TQT_SLOT( slotOpenMsg() ),
+  mOpenAction = KStdAction::open( TQT_TQOBJECT(this), TQT_SLOT( slotOpenMsg() ),
                                   actionCollection() );
 
   (void) new KAction( i18n("&Compact All Folders"), 0,
-		      this, TQT_SLOT(slotCompactAll()),
+		      TQT_TQOBJECT(this), TQT_SLOT(slotCompactAll()),
 		      actionCollection(), "compact_all_folders" );
 
   (void) new KAction( i18n("&Expire All Folders"), 0,
-		      this, TQT_SLOT(slotExpireAll()),
+		      TQT_TQOBJECT(this), TQT_SLOT(slotExpireAll()),
 		      actionCollection(), "expire_all_folders" );
 
   (void) new KAction( i18n("&Refresh Local IMAP Cache"), "refresh",
-		      this, TQT_SLOT(slotInvalidateIMAPFolders()),
+		      TQT_TQOBJECT(this), TQT_SLOT(slotInvalidateIMAPFolders()),
 		      actionCollection(), "file_tqinvalidate_imap_cache" );
 
   (void) new KAction( i18n("Empty All &Trash Folders"), 0,
@@ -2666,7 +2666,7 @@ void KMMainWidget::setupActions()
 		      actionCollection(), "empty_trash" );
 
   (void) new KAction( i18n("Check &Mail"), "mail_get", CTRL+Key_L,
-		      this, TQT_SLOT(slotCheckMail()),
+		      TQT_TQOBJECT(this), TQT_SLOT(slotCheckMail()),
 		      actionCollection(), "check_mail" );
 
   mFavoritesCheckMailAction = new KAction( i18n("Check Mail in Favorite Folders"),
@@ -2686,10 +2686,10 @@ void KMMainWidget::setupActions()
   connect(mActMenu,TQT_SIGNAL(activated(int)),this,TQT_SLOT(slotCheckOneAccount(int)));
   connect(mActMenu,TQT_SIGNAL(aboutToShow()),this,TQT_SLOT(getAccountMenu()));
 
-  (void) new KAction( i18n("&Send Queued Messages"), "mail_send", 0, this,
+  (void) new KAction( i18n("&Send Queued Messages"), "mail_send", 0, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotSendQueued()), actionCollection(), "send_queued");
 
-  (void) new KAction( i18n("Online tqStatus (unknown)"), "online_status", 0, this,
+  (void) new KAction( i18n("Online tqStatus (unknown)"), "online_status", 0, TQT_TQOBJECT(this),
                      TQT_SLOT(slotOnlinetqStatus()), actionCollection(), "online_status");
 
   KActionMenu *sendActionMenu = new
@@ -2698,165 +2698,165 @@ void KMMainWidget::setupActions()
   sendActionMenu->setDelayed(true);
 
   mSendMenu = sendActionMenu->popupMenu();
-  connect(mSendMenu,TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSendQueuedVia(int)));
+  connect(mSendMenu,TQT_SIGNAL(activated(int)), TQT_TQOBJECT(this), TQT_SLOT(slotSendQueuedVia(int)));
   connect(mSendMenu,TQT_SIGNAL(aboutToShow()),this,TQT_SLOT(getTransportMenu()));
 
   KAction *act;
   //----- Tools menu
   if (tqparent()->inherits("KMMainWin")) {
-    act =  new KAction( i18n("&Address Book..."), "contents", 0, this,
+    act =  new KAction( i18n("&Address Book..."), "contents", 0, TQT_TQOBJECT(this),
 			TQT_SLOT(slotAddrBook()), actionCollection(), "addressbook" );
     if (KStandardDirs::findExe("kaddressbook").isEmpty()) act->setEnabled(false);
   }
 
-  act = new KAction( i18n("Certificate Manager..."), "pgp-keys", 0, this,
+  act = new KAction( i18n("Certificate Manager..."), "pgp-keys", 0, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotStartCertManager()), actionCollection(), "tools_start_certman");
   // disable action if no certman binary is around
   if (KStandardDirs::findExe("kleopatra").isEmpty()) act->setEnabled(false);
 
-  act = new KAction( i18n("GnuPG Log Viewer..."), "pgp-keys", 0, this,
+  act = new KAction( i18n("GnuPG Log Viewer..."), "pgp-keys", 0, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotStartWatchGnuPG()), actionCollection(), "tools_start_kwatchgnupg");
   // disable action if no kwatchgnupg binary is around
   if (KStandardDirs::findExe("kwatchgnupg").isEmpty()) act->setEnabled(false);
 
-  act = new KAction( i18n("&Import Messages..."), "fileopen", 0, this,
+  act = new KAction( i18n("&Import Messages..."), "fileopen", 0, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotImport()), actionCollection(), "import" );
   if (KStandardDirs::findExe("kmailcvt").isEmpty()) act->setEnabled(false);
 
 #if !defined(NDEBUG)
   (void) new KAction( i18n("&Debug Sieve..."),
-		      "idea", 0, this, TQT_SLOT(slotDebugSieve()),
+		      "idea", 0, TQT_TQOBJECT(this), TQT_SLOT(slotDebugSieve()),
 		      actionCollection(), "tools_debug_sieve" );
 #endif
 
   if ( GlobalSettings::allowOutOfOfficeSettings() ) {
       (void) new KAction( i18n("Edit \"Out of Office\" Replies..."),
-              "configure", 0, this, TQT_SLOT(slotEditVacation()),
+              "configure", 0, TQT_TQOBJECT(this), TQT_SLOT(slotEditVacation()),
               actionCollection(), "tools_edit_vacation" );
 
   }
 
-  (void) new KAction( i18n("Filter &Log Viewer..."), 0, this,
+  (void) new KAction( i18n("Filter &Log Viewer..."), 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotFilterLogViewer()), actionCollection(), "filter_log_viewer" );
 
-  (void) new KAction( i18n("&Anti-Spam Wizard..."), 0, this,
+  (void) new KAction( i18n("&Anti-Spam Wizard..."), 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotAntiSpamWizard()), actionCollection(), "antiSpamWizard" );
-  (void) new KAction( i18n("&Anti-Virus Wizard..."), 0, this,
+  (void) new KAction( i18n("&Anti-Virus Wizard..."), 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotAntiVirusWizard()), actionCollection(), "antiVirusWizard" );
 
   //----- Edit Menu
   mTrashAction = new KAction( KGuiItem( i18n("&Move to Trash"), "edittrash",
                                        i18n("Move message to trashcan") ),
-                             Key_Delete, this, TQT_SLOT(slotTrashMsg()),
+                             Key_Delete, TQT_TQOBJECT(this), TQT_SLOT(slotTrashMsg()),
                              actionCollection(), "move_to_trash" );
 
   /* The delete action is nowhere in the gui, by default, so we need to make
    * sure it is plugged into the KAccel now, since that won't happen on
    * XMLGui construction or manual ->plug(). This is only a problem when run
    * as a part, though. */
-  mDeleteAction = new KAction( i18n("&Delete"), "editdelete", SHIFT+Key_Delete, this,
+  mDeleteAction = new KAction( i18n("&Delete"), "editdelete", SHIFT+Key_Delete, TQT_TQOBJECT(this),
                               TQT_SLOT(slotDeleteMsg()), actionCollection(), "delete" );
   mDeleteAction->plugAccel( actionCollection()->kaccel() );
 
   mTrashThreadAction = new KAction( KGuiItem( i18n("M&ove Thread to Trash"), "edittrash",
                                        i18n("Move thread to trashcan") ),
-                             CTRL+Key_Delete, this, TQT_SLOT(slotTrashThread()),
+                             CTRL+Key_Delete, TQT_TQOBJECT(this), TQT_SLOT(slotTrashThread()),
                              actionCollection(), "move_thread_to_trash" );
 
-  mDeleteThreadAction = new KAction( i18n("Delete T&hread"), "editdelete", CTRL+SHIFT+Key_Delete, this,
+  mDeleteThreadAction = new KAction( i18n("Delete T&hread"), "editdelete", CTRL+SHIFT+Key_Delete, TQT_TQOBJECT(this),
                               TQT_SLOT(slotDeleteThread()), actionCollection(), "delete_thread" );
 
 
-  (void) new KAction( i18n("&Find Messages..."), "mail_tqfind", Key_S, this,
+  (void) new KAction( i18n("&Find Messages..."), "mail_tqfind", Key_S, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotRequestFullSearchFromQuickSearch()), actionCollection(), "search_messages" );
 
-  mFindInMessageAction = new KAction( i18n("&Find in Message..."), "tqfind", KStdAccel::shortcut(KStdAccel::Find), this,
+  mFindInMessageAction = new KAction( i18n("&Find in Message..."), "tqfind", KStdAccel::shortcut(KStdAccel::Find), TQT_TQOBJECT(this),
 		      TQT_SLOT(slotFind()), actionCollection(), "find_in_messages" );
 
-  (void) new KAction( i18n("Select &All Messages"), KStdAccel::selectAll(), this,
+  (void) new KAction( i18n("Select &All Messages"), KStdAccel::selectAll(), TQT_TQOBJECT(this),
 		      TQT_SLOT(slotMarkAll()), actionCollection(), "mark_all_messages" );
 
   //----- Folder Menu
-  mNewFolderAction = new KAction( i18n("&New Folder..."), "folder_new", 0, mFolderTree,
+  mNewFolderAction = new KAction( i18n("&New Folder..."), "folder_new", 0, TQT_TQOBJECT(mFolderTree),
 		      TQT_SLOT(addChildFolder()), actionCollection(), "new_folder" );
 
-  mModifyFolderAction = new KAction( i18n("&Properties"), "configure", 0, this,
+  mModifyFolderAction = new KAction( i18n("&Properties"), "configure", 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotModifyFolder()), actionCollection(), "modify" );
 
   mFolderMailingListPropertiesAction = new KAction( i18n("&Mailing List Management..."),
-      /*"folder_mailinglist_properties",*/ 0, this, TQT_SLOT( slotFolderMailingListProperties() ),
+      /*"folder_mailinglist_properties",*/ 0, TQT_TQOBJECT(this), TQT_SLOT( slotFolderMailingListProperties() ),
       actionCollection(), "folder_mailinglist_properties" );
 
   mFolderShortCutCommandAction = new KAction( i18n("&Assign Shortcut..."), "configure_shortcuts",
-                      0, this, TQT_SLOT( slotFolderShortcutCommand() ), actionCollection(),
+                      0, TQT_TQOBJECT(this), TQT_SLOT( slotFolderShortcutCommand() ), actionCollection(),
                       "folder_shortcut_command" );
 
 
-  mMarkAllAsReadAction = new KAction( i18n("Mark All Messages as &Read"), "goto", 0, this,
+  mMarkAllAsReadAction = new KAction( i18n("Mark All Messages as &Read"), "goto", 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotMarkAllAsRead()), actionCollection(), "mark_all_as_read" );
 
-  mExpireFolderAction = new KAction(i18n("&Expiration Settings"), 0, this, TQT_SLOT(slotExpireFolder()),
+  mExpireFolderAction = new KAction(i18n("&Expiration Settings"), 0, TQT_TQOBJECT(this), TQT_SLOT(slotExpireFolder()),
 				   actionCollection(), "expire");
 
-  mCompactFolderAction = new KAction( i18n("&Compact Folder"), 0, this,
+  mCompactFolderAction = new KAction( i18n("&Compact Folder"), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotCompactFolder()), actionCollection(), "compact" );
 
   mRefreshFolderAction = new KAction( i18n("Check Mail &in This Folder"), "reload",
-                                      KStdAccel::shortcut( KStdAccel::Reload ), this,
+                                      KStdAccel::shortcut( KStdAccel::Reload ), TQT_TQOBJECT(this),
                                       TQT_SLOT(slotRefreshFolder()),
                                       actionCollection(), "refresh_folder" );
   mTroubleshootFolderAction = 0; // set in initializeIMAPActions
 
-  mEmptyFolderAction = new KAction( "foo" /*set in updateFolderMenu*/, "edittrash", 0, this,
+  mEmptyFolderAction = new KAction( "foo" /*set in updateFolderMenu*/, "edittrash", 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotEmptyFolder()), actionCollection(), "empty" );
 
-  mRemoveFolderAction = new KAction( "foo" /*set in updateFolderMenu*/, "editdelete", 0, this,
+  mRemoveFolderAction = new KAction( "foo" /*set in updateFolderMenu*/, "editdelete", 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotRemoveFolder()), actionCollection(), "delete_folder" );
 
-  mArchiveFolderAction = new KAction( i18n( "&Archive Folder..." ), "filesave", 0, this,
+  mArchiveFolderAction = new KAction( i18n( "&Archive Folder..." ), "filesave", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT( slotArchiveFolder() ), actionCollection(),
                                       "archive_folder" );
 
-  mPreferHtmlAction = new KToggleAction( i18n("Prefer &HTML to Plain Text"), 0, this,
+  mPreferHtmlAction = new KToggleAction( i18n("Prefer &HTML to Plain Text"), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotOverrideHtml()), actionCollection(), "prefer_html" );
 
-  mPreferHtmlLoadExtAction = new KToggleAction( i18n("Load E&xternal References"), 0, this,
+  mPreferHtmlLoadExtAction = new KToggleAction( i18n("Load E&xternal References"), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotOverrideHtmlLoadExt()), actionCollection(), "prefer_html_external_refs" );
 
-  mThreadMessagesAction = new KToggleAction( i18n("&Thread Messages"), 0, this,
+  mThreadMessagesAction = new KToggleAction( i18n("&Thread Messages"), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotOverrideThread()), actionCollection(), "thread_messages" );
 
-  mThreadBySubjectAction = new KToggleAction( i18n("Thread Messages also by &Subject"), 0, this,
+  mThreadBySubjectAction = new KToggleAction( i18n("Thread Messages also by &Subject"), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotToggleSubjectThreading()), actionCollection(), "thread_messages_by_subject" );
 
-  new KAction( i18n("Copy Folder"), "editcopy", SHIFT+CTRL+Key_C, folderTree(),
+  new KAction( i18n("Copy Folder"), "editcopy", SHIFT+CTRL+Key_C, TQT_TQOBJECT(folderTree()),
                TQT_SLOT(copyFolder()), actionCollection(), "copy_folder" );
-  new KAction( i18n("Cut Folder"), "editcut", SHIFT+CTRL+Key_X, folderTree(),
+  new KAction( i18n("Cut Folder"), "editcut", SHIFT+CTRL+Key_X, TQT_TQOBJECT(folderTree()),
                TQT_SLOT(cutFolder()), actionCollection(), "cut_folder" );
-  new KAction( i18n("Paste Folder"), "editpaste", SHIFT+CTRL+Key_V, folderTree(),
+  new KAction( i18n("Paste Folder"), "editpaste", SHIFT+CTRL+Key_V, TQT_TQOBJECT(folderTree()),
                TQT_SLOT(pasteFolder()), actionCollection(), "paste_folder" );
 
-  new KAction( i18n("Copy Messages"), "editcopy", ALT+CTRL+Key_C, headers(),
+  new KAction( i18n("Copy Messages"), "editcopy", ALT+CTRL+Key_C, TQT_TQOBJECT(headers()),
                TQT_SLOT(copyMessages()), actionCollection(), "copy_messages" );
-  new KAction( i18n("Cut Messages"), "editcut", ALT+CTRL+Key_X, headers(),
+  new KAction( i18n("Cut Messages"), "editcut", ALT+CTRL+Key_X, TQT_TQOBJECT(headers()),
                TQT_SLOT(cutMessages()), actionCollection(), "cut_messages" );
-  new KAction( i18n("Paste Messages"), "editpaste", ALT+CTRL+Key_V, headers(),
+  new KAction( i18n("Paste Messages"), "editpaste", ALT+CTRL+Key_V, TQT_TQOBJECT(headers()),
                TQT_SLOT(pasteMessages()), actionCollection(), "paste_messages" );
 
   //----- Message Menu
-  (void) new KAction( i18n("&New Message..."), "mail_new", KStdAccel::shortcut(KStdAccel::New), this,
+  (void) new KAction( i18n("&New Message..."), "mail_new", KStdAccel::shortcut(KStdAccel::New), TQT_TQOBJECT(this),
 		      TQT_SLOT(slotCompose()), actionCollection(), "new_message" );
   mTemplateMenu =
     new KActionMenu( i18n("New Message From &Template"), "filenew",
                      actionCollection(), "new_from_template" );
   mTemplateMenu->setDelayed( true );
-  connect( mTemplateMenu->popupMenu(), TQT_SIGNAL( aboutToShow() ), this,
+  connect( mTemplateMenu->popupMenu(), TQT_SIGNAL( aboutToShow() ), TQT_TQOBJECT(this),
            TQT_SLOT( slotShowNewFromTemplate() ) );
-  connect( mTemplateMenu->popupMenu(), TQT_SIGNAL( activated(int) ), this,
+  connect( mTemplateMenu->popupMenu(), TQT_SIGNAL( activated(int) ), TQT_TQOBJECT(this),
            TQT_SLOT( slotNewFromTemplate(int) ) );
 
   KAction* newToML = new KAction( i18n("New Message t&o Mailing-List..."), "mail_post_to",
-                      CTRL+SHIFT+Key_N, this,
+                      CTRL+SHIFT+Key_N, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotPostToML()), actionCollection(), "post_message" );
   newToML->plugAccel( actionCollection()->kaccel() );
 
@@ -2865,25 +2865,25 @@ void KMMainWidget::setupActions()
 					"message_forward" );
 
       mForwardInlineAction = new KAction( i18n("&Inline..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardInlineMsg()),
                                       actionCollection(),
                                       "message_forward_inline" );
 
       mForwardAttachedAction = new KAction( i18n("Message->Forward->","As &Attachment..."),
-                                        "mail_forward", 0, this,
+                                        "mail_forward", 0, TQT_TQOBJECT(this),
                                         TQT_SLOT(slotForwardAttachedMsg()),
                                         actionCollection(),
                                         "message_forward_as_attachment" );
 
       mForwardDigestAction = new KAction( i18n("Message->Forward->","As Di&gest..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardDigestMsg()),
                                       actionCollection(),
                                       "message_forward_as_digest" );
 
       mRedirectAction = new KAction( i18n("Message->Forward->","&Redirect..."),
-                                 "mail_forward", Key_E, this,
+                                 "mail_forward", Key_E, TQT_TQOBJECT(this),
                                  TQT_SLOT(slotRedirectMsg()),
                                  actionCollection(),
                                  "message_forward_redirect" );
@@ -2894,38 +2894,38 @@ void KMMainWidget::setupActions()
       mForwardActionMenu->insert( mForwardDigestAction );
       mForwardActionMenu->insert( mRedirectAction );
 
-  mSendAgainAction = new KAction( i18n("Send A&gain..."), 0, this,
+  mSendAgainAction = new KAction( i18n("Send A&gain..."), 0, TQT_TQOBJECT(this),
 		      TQT_SLOT(slotResendMsg()), actionCollection(), "send_again" );
 
 
   //----- Create filter actions
   mFilterMenu = new KActionMenu( i18n("&Create Filter"), "filter", actionCollection(), "create_filter" );
-  connect( mFilterMenu, TQT_SIGNAL(activated()), this,
+  connect( mFilterMenu, TQT_SIGNAL(activated()), TQT_TQOBJECT(this),
 	   TQT_SLOT(slotFilter()) );
-  mSubjectFilterAction = new KAction( i18n("Filter on &Subject..."), 0, this,
+  mSubjectFilterAction = new KAction( i18n("Filter on &Subject..."), 0, TQT_TQOBJECT(this),
 				      TQT_SLOT(slotSubjectFilter()),
 				      actionCollection(), "subject_filter");
   mFilterMenu->insert( mSubjectFilterAction );
 
-  mFromFilterAction = new KAction( i18n("Filter on &From..."), 0, this,
+  mFromFilterAction = new KAction( i18n("Filter on &From..."), 0, TQT_TQOBJECT(this),
 				   TQT_SLOT(slotFromFilter()),
 				   actionCollection(), "from_filter");
   mFilterMenu->insert( mFromFilterAction );
 
-  mToFilterAction = new KAction( i18n("Filter on &To..."), 0, this,
+  mToFilterAction = new KAction( i18n("Filter on &To..."), 0, TQT_TQOBJECT(this),
 				 TQT_SLOT(slotToFilter()),
 				 actionCollection(), "to_filter");
   mFilterMenu->insert( mToFilterAction );
 
-  mListFilterAction = new KAction( i18n("Filter on Mailing-&List..."), 0, this,
+  mListFilterAction = new KAction( i18n("Filter on Mailing-&List..."), 0, TQT_TQOBJECT(this),
                                    TQT_SLOT(slotMailingListFilter()), actionCollection(),
                                    "mlist_filter");
   mFilterMenu->insert( mListFilterAction );
 
-  mPrintAction = KStdAction::print (this, TQT_SLOT(slotPrintMsg()), actionCollection());
+  mPrintAction = KStdAction::print (TQT_TQOBJECT(this), TQT_SLOT(slotPrintMsg()), actionCollection());
 
   mUseAction = new KAction( i18n("New Message From &Template"), "filenew",
-                            Key_N, this, TQT_SLOT( slotUseTemplate() ),
+                            Key_N, TQT_TQOBJECT(this), TQT_SLOT( slotUseTemplate() ),
                             actionCollection(), "use_template" );
   mUseAction->plugAccel( actionCollection()->kaccel() );
 
@@ -2935,52 +2935,52 @@ void KMMainWidget::setupActions()
 
   mMarkThreadAsReadAction = new KAction(KGuiItem(i18n("Mark Thread as &Read"), "kmmsgread",
                                                 i18n("Mark all messages in the selected thread as read")),
-                                                0, this, TQT_SLOT(slotSetThreadStatusRead()),
+                                                0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusRead()),
                                                 actionCollection(), "thread_read");
   mThreadStatusMenu->insert( mMarkThreadAsReadAction );
 
   mMarkThreadAsNewAction = new KAction(KGuiItem(i18n("Mark Thread as &New"), "kmmsgnew",
                                                i18n("Mark all messages in the selected thread as new")),
-                                               0, this, TQT_SLOT(slotSetThreadStatusNew()),
+                                               0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusNew()),
                                                actionCollection(), "thread_new");
   mThreadStatusMenu->insert( mMarkThreadAsNewAction );
 
   mMarkThreadAsUnreadAction = new KAction(KGuiItem(i18n("Mark Thread as &Unread"), "kmmsgunseen",
                                                 i18n("Mark all messages in the selected thread as unread")),
-                                                0, this, TQT_SLOT(slotSetThreadStatusUnread()),
+                                                0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusUnread()),
                                                 actionCollection(), "thread_unread");
   mThreadStatusMenu->insert( mMarkThreadAsUnreadAction );
 
-  mThreadStatusMenu->insert( new KActionSeparator( this ) );
+  mThreadStatusMenu->insert( new KActionSeparator( TQT_TQOBJECT(this) ) );
 
   //----- "Mark Thread" toggle actions
   mToggleThreadFlagAction = new KToggleAction(i18n("Mark Thread as &Important"), "mail_flag",
-                                       0, this, TQT_SLOT(slotSetThreadStatusFlag()),
+                                       0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusFlag()),
                                        actionCollection(), "thread_flag");
   mToggleThreadFlagAction->setCheckedState( i18n("Remove &Important Thread Mark") );
   mThreadStatusMenu->insert( mToggleThreadFlagAction );
 
   mToggleThreadTodoAction = new KToggleAction(i18n("Mark Thread as &Action Item"), "mail_todo",
-                                       0, this, TQT_SLOT(slotSetThreadStatusTodo()),
+                                       0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusTodo()),
                                        actionCollection(), "thread_todo");
   mToggleThreadTodoAction->setCheckedState( i18n("Remove &Action Item Thread Mark") );
   mThreadStatusMenu->insert( mToggleThreadTodoAction );
 
   //------- "Watch and ignore thread" actions
   mWatchThreadAction = new KToggleAction(i18n("&Watch Thread"), "kmmsgwatched",
-                                       0, this, TQT_SLOT(slotSetThreadStatusWatched()),
+                                       0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusWatched()),
                                        actionCollection(), "thread_watched");
 
   mIgnoreThreadAction = new KToggleAction(i18n("&Ignore Thread"), "mail_ignore",
-                                       0, this, TQT_SLOT(slotSetThreadStatusIgnored()),
+                                       0, TQT_TQOBJECT(this), TQT_SLOT(slotSetThreadStatusIgnored()),
                                        actionCollection(), "thread_ignored");
 
-  mThreadStatusMenu->insert( new KActionSeparator( this ) );
+  mThreadStatusMenu->insert( new KActionSeparator( TQT_TQOBJECT(this) ) );
   mThreadStatusMenu->insert( mWatchThreadAction );
   mThreadStatusMenu->insert( mIgnoreThreadAction );
 
   mSaveAttachmentsAction = new KAction( i18n("Save A&ttachments..."), "attach",
-                                0, this, TQT_SLOT(slotSaveAttachments()),
+                                0, TQT_TQOBJECT(this), TQT_SLOT(slotSaveAttachments()),
                                 actionCollection(), "file_save_attachments" );
 
   mMoveActionMenu = new KActionMenu( i18n("&Move To" ),
@@ -2990,7 +2990,7 @@ void KMMainWidget::setupActions()
                                     actionCollection(), "copy_to" );
 
   mApplyAllFiltersAction = new KAction( i18n("Appl&y All Filters"), "filter",
-				    CTRL+Key_J, this,
+				    CTRL+Key_J, TQT_TQOBJECT(this),
 				    TQT_SLOT(slotApplyFilters()),
 				    actionCollection(), "apply_filters" );
 
@@ -3005,25 +3005,25 @@ void KMMainWidget::setupActions()
 		     actionCollection(), "view_unread" );
   unreadMenu->setToolTip( i18n("Choose how to display the count of unread messages") );
 
-  mUnreadColumnToggle = new KRadioAction( i18n("View->Unread Count", "View in &Separate Column"), 0, this,
+  mUnreadColumnToggle = new KRadioAction( i18n("View->Unread Count", "View in &Separate Column"), 0, TQT_TQOBJECT(this),
 			       TQT_SLOT(slotToggleUnread()),
 			       actionCollection(), "view_unread_column" );
   mUnreadColumnToggle->setExclusiveGroup( "view_unread_group" );
   unreadMenu->insert( mUnreadColumnToggle );
 
-  mUnreadTextToggle = new KRadioAction( i18n("View->Unread Count", "View After &Folder Name"), 0, this,
+  mUnreadTextToggle = new KRadioAction( i18n("View->Unread Count", "View After &Folder Name"), 0, TQT_TQOBJECT(this),
 			       TQT_SLOT(slotToggleUnread()),
 			       actionCollection(), "view_unread_text" );
   mUnreadTextToggle->setExclusiveGroup( "view_unread_group" );
   unreadMenu->insert( mUnreadTextToggle );
 
   // toggle for total column
-  mTotalColumnToggle = new KToggleAction( i18n("View->", "&Total Column"), 0, this,
+  mTotalColumnToggle = new KToggleAction( i18n("View->", "&Total Column"), 0, TQT_TQOBJECT(this),
 			       TQT_SLOT(slotToggleTotalColumn()),
 			       actionCollection(), "view_columns_total" );
   mTotalColumnToggle->setToolTip( i18n("Toggle display of column showing the "
                                       "total number of messages in folders.") );
-  mSizeColumnToggle = new KToggleAction( i18n("View->", "&Size Column"), 0, this,
+  mSizeColumnToggle = new KToggleAction( i18n("View->", "&Size Column"), 0, TQT_TQOBJECT(this),
 			       TQT_SLOT(slotToggleSizeColumn()),
 			       actionCollection(), "view_columns_size" );
   mSizeColumnToggle->setToolTip( i18n("Toggle display of column showing the "
@@ -3031,33 +3031,33 @@ void KMMainWidget::setupActions()
 
   (void)new KAction( KGuiItem( i18n("View->","&Expand Thread"), TQString(),
 			       i18n("Expand the current thread") ),
-		     Key_Period, this,
+		     Key_Period, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotExpandThread()),
 		     actionCollection(), "expand_thread" );
 
   (void)new KAction( KGuiItem( i18n("View->","&Collapse Thread"), TQString(),
 			       i18n("Collapse the current thread") ),
-		     Key_Comma, this,
+		     Key_Comma, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotCollapseThread()),
 		     actionCollection(), "collapse_thread" );
 
   (void)new KAction( KGuiItem( i18n("View->","Ex&pand All Threads"), TQString(),
 			       i18n("Expand all threads in the current folder") ),
-		     CTRL+Key_Period, this,
+		     CTRL+Key_Period, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotExpandAllThreads()),
 		     actionCollection(), "expand_all_threads" );
 
   (void)new KAction( KGuiItem( i18n("View->","C&ollapse All Threads"), TQString(),
 			       i18n("Collapse all threads in the current folder") ),
-		     CTRL+Key_Comma, this,
+		     CTRL+Key_Comma, TQT_TQOBJECT(this),
 		     TQT_SLOT(slotCollapseAllThreads()),
 		     actionCollection(), "collapse_all_threads" );
 
-  mViewSourceAction = new KAction( i18n("&View Source"), Key_V, this,
+  mViewSourceAction = new KAction( i18n("&View Source"), Key_V, TQT_TQOBJECT(this),
                                    TQT_SLOT(slotShowMsgSrc()), actionCollection(),
                                    "view_source" );
 
-  KAction* dukeOfMonmoth = new KAction( i18n("&Display Message"), Key_Return, this,
+  KAction* dukeOfMonmoth = new KAction( i18n("&Display Message"), Key_Return, TQT_TQOBJECT(this),
                         TQT_SLOT( slotDisplayCurrentMessage() ), actionCollection(),
                         "display_message" );
   dukeOfMonmoth->plugAccel( actionCollection()->kaccel() );
@@ -3065,44 +3065,44 @@ void KMMainWidget::setupActions()
   //----- Go Menu
   new KAction( KGuiItem( i18n("&Next Message"), TQString(),
                          i18n("Go to the next message") ),
-                         "N;Right", this, TQT_SLOT(slotNextMessage()),
+                         "N;Right", TQT_TQOBJECT(this), TQT_SLOT(slotNextMessage()),
                          actionCollection(), "go_next_message" );
 
   new KAction( KGuiItem( i18n("Next &Unread Message"),
                          TQApplication::reverseLayout() ? "previous" : "next",
                          i18n("Go to the next unread message") ),
-                         Key_Plus, this, TQT_SLOT(slotNextUnreadMessage()),
+                         Key_Plus, TQT_TQOBJECT(this), TQT_SLOT(slotNextUnreadMessage()),
                          actionCollection(), "go_next_unread_message" );
 
   /* ### needs better support from folders:
   new KAction( KGuiItem( i18n("Next &Important Message"), TQString(),
                          i18n("Go to the next important message") ),
-                         0, this, TQT_SLOT(slotNextImportantMessage()),
+                         0, TQT_TQOBJECT(this), TQT_SLOT(slotNextImportantMessage()),
                          actionCollection(), "go_next_important_message" );
   */
 
   new KAction( KGuiItem( i18n("&Previous Message"), TQString(),
                          i18n("Go to the previous message") ),
-                         "P;Left", this, TQT_SLOT(slotPrevMessage()),
+                         "P;Left", TQT_TQOBJECT(this), TQT_SLOT(slotPrevMessage()),
                          actionCollection(), "go_prev_message" );
 
   new KAction( KGuiItem( i18n("Previous Unread &Message"),
                          TQApplication::reverseLayout() ? "next" : "previous",
                          i18n("Go to the previous unread message") ),
-                         Key_Minus, this, TQT_SLOT(slotPrevUnreadMessage()),
+                         Key_Minus, TQT_TQOBJECT(this), TQT_SLOT(slotPrevUnreadMessage()),
                          actionCollection(), "go_prev_unread_message" );
 
   /* needs better support from folders:
   new KAction( KGuiItem( i18n("Previous I&mportant Message"), TQString(),
                          i18n("Go to the previous important message") ),
-                         0, this, TQT_SLOT(slotPrevImportantMessage()),
+                         0, TQT_TQOBJECT(this), TQT_SLOT(slotPrevImportantMessage()),
                          actionCollection(), "go_prev_important_message" );
   */
 
   KAction *action =
     new KAction( KGuiItem( i18n("Next Unread &Folder"), TQString(),
                            i18n("Go to the next folder with unread messages") ),
-                           ALT+Key_Plus, this, TQT_SLOT(slotNextUnreadFolder()),
+                           ALT+Key_Plus, TQT_TQOBJECT(this), TQT_SLOT(slotNextUnreadFolder()),
                            actionCollection(), "go_next_unread_folder" );
   KShortcut shortcut = action->shortcut();
   shortcut.append( KKey( CTRL+Key_Plus ) );
@@ -3111,7 +3111,7 @@ void KMMainWidget::setupActions()
   action =
     new KAction( KGuiItem( i18n("Previous Unread F&older"), TQString(),
                            i18n("Go to the previous folder with unread messages") ),
-                           ALT+Key_Minus, this, TQT_SLOT(slotPrevUnreadFolder()),
+                           ALT+Key_Minus, TQT_TQOBJECT(this), TQT_SLOT(slotPrevUnreadFolder()),
                            actionCollection(), "go_prev_unread_folder" );
   shortcut = action->shortcut();
   shortcut.append( KKey( CTRL+Key_Minus ) );
@@ -3122,33 +3122,33 @@ void KMMainWidget::setupActions()
                          i18n("Scroll down current message. "
                               "If at end of current message, "
                               "go to next unread message.") ),
-                         Key_Space, this, TQT_SLOT(slotReadOn()),
+                         Key_Space, TQT_TQOBJECT(this), TQT_SLOT(slotReadOn()),
                          actionCollection(), "go_next_unread_text" );
 
   //----- Settings Menu
   mToggleShowQuickSearchAction = new KToggleAction(i18n("Show Quick Search"), TQString(),
-                                       0, this, TQT_SLOT(slotToggleShowQuickSearch()),
+                                       0, TQT_TQOBJECT(this), TQT_SLOT(slotToggleShowQuickSearch()),
                                        actionCollection(), "show_quick_search");
   mToggleShowQuickSearchAction->setChecked( GlobalSettings::self()->quickSearchActive() );
   mToggleShowQuickSearchAction->setWhatsThis(
         i18n( GlobalSettings::self()->quickSearchActiveItem()->whatsThis().utf8() ) );
 
-  (void) new KAction( i18n("Configure &Filters..."), 0, this,
+  (void) new KAction( i18n("Configure &Filters..."), 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotFilter()), actionCollection(), "filter" );
-  (void) new KAction( i18n("Configure &POP Filters..."), 0, this,
+  (void) new KAction( i18n("Configure &POP Filters..."), 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotPopFilter()), actionCollection(), "popFilter" );
-  (void) new KAction( i18n("Manage &Sieve Scripts..."), 0, this,
+  (void) new KAction( i18n("Manage &Sieve Scripts..."), 0, TQT_TQOBJECT(this),
                       TQT_SLOT(slotManageSieveScripts()), actionCollection(), "sieveFilters" );
 
   (void) new KAction( KGuiItem( i18n("KMail &Introduction"), 0,
 				i18n("Display KMail's Welcome Page") ),
-		      0, this, TQT_SLOT(slotIntro()),
+		      0, TQT_TQOBJECT(this), TQT_SLOT(slotIntro()),
 		      actionCollection(), "help_kmail_welcomepage" );
 
   // ----- Standard Actions
 //  KStdAction::configureNotifications(this, TQT_SLOT(slotEditNotifications()), actionCollection());
   (void) new KAction( i18n("Configure &Notifications..."),
-		      "knotify", 0, this,
+		      "knotify", 0, TQT_TQOBJECT(this),
  		      TQT_SLOT(slotEditNotifications()), actionCollection(),
 		      "kmail_configure_notifications" );
 //  KStdAction::preferences(this, TQT_SLOT(slotSettings()), actionCollection());
@@ -3157,14 +3157,14 @@ void KMMainWidget::setupActions()
                       TQT_SLOT(slotShowConfigurationDialog()), actionCollection(),
                       "kmail_configure_kmail" );
 
-  KStdAction::undo(this, TQT_SLOT(slotUndo()), actionCollection(), "kmail_undo");
+  KStdAction::undo(TQT_TQOBJECT(this), TQT_SLOT(slotUndo()), actionCollection(), "kmail_undo");
 
-  KStdAction::tipOfDay( this, TQT_SLOT( slotShowTip() ), actionCollection() );
+  KStdAction::tipOfDay( TQT_TQOBJECT(this), TQT_SLOT( slotShowTip() ), actionCollection() );
 
   menutimer = new TQTimer( this, "menutimer" );
   connect( menutimer, TQT_SIGNAL( timeout() ), TQT_SLOT( updateMessageActions() ) );
   connect( kmkernel->undoStack(),
-           TQT_SIGNAL( undoStackChanged() ), this, TQT_SLOT( slotUpdateUndo() ));
+           TQT_SIGNAL( undoStackChanged() ), TQT_TQOBJECT(this), TQT_SLOT( slotUpdateUndo() ));
 
   initializeIMAPActions( false ); // don't set state, config not read yet
   updateMessageActions();
@@ -3287,9 +3287,9 @@ void KMMainWidget::copySelectedToFolder(int menuId )
 void KMMainWidget::updateMessageMenu()
 {
   mMenuToFolder.clear();
-  folderTree()->folderToPopupMenu( KMFolderTree::MoveMessage, this,
+  folderTree()->folderToPopupMenu( KMFolderTree::MoveMessage, TQT_TQOBJECT(this),
       &mMenuToFolder, mMoveActionMenu->popupMenu() );
-  folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, this,
+  folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, TQT_TQOBJECT(this),
       &mMenuToFolder, mCopyActionMenu->popupMenu() );
   updateMessageActions();
 }
@@ -3514,8 +3514,8 @@ void KMMainWidget::slotMemInfo() {
 		      "Memory allocated, not used: %3\n"
 		      "Memory total allocated    : %4\n"
 		      "Max. freeable memory      : %5\n")
-    .arg(mi.hblks).arg(fmt(mi.uordblks)).arg(fmt(mi.fordblks))
-    .arg(fmt(mi.arena)).arg(fmt(mi.keepcost));
+    .tqarg(mi.hblks).tqarg(fmt(mi.uordblks)).tqarg(fmt(mi.fordblks))
+    .tqarg(fmt(mi.arena)).tqarg(fmt(mi.keepcost));
   KMessageBox::information(0, s, "Malloc information", s);
 #endif
 }
@@ -3712,13 +3712,13 @@ void KMMainWidget::initializeFilterActions()
   TQValueListConstIterator<KMFilter*> it = kmkernel->filterMgr()->filters().constBegin();
   for ( ;it != kmkernel->filterMgr()->filters().constEnd(); ++it ) {
     if (!(*it)->isEmpty() && (*it)->configureShortcut()) {
-      filterName = TQString("Filter %1").arg((*it)->name());
+      filterName = TQString("Filter %1").tqarg((*it)->name());
       normalizedName = filterName.tqreplace(" ", "_");
       if (action(normalizedName.utf8()))
         continue;
       filterCommand = new KMMetaFilterActionCommand(*it, mHeaders, this);
       mFilterCommands.append(filterCommand);
-      TQString as = i18n("Filter %1").arg((*it)->name());
+      TQString as = i18n("Filter %1").tqarg((*it)->name());
       TQString icon = (*it)->icon();
       if ( icon.isEmpty() )
         icon = "gear";
@@ -3769,7 +3769,7 @@ void KMMainWidget::initializeIMAPActions( bool setState /* false the first time,
 
   if ( !mTroubleshootFolderAction ) {
     mTroubleshootFolderAction = new KAction( i18n("&Troubleshoot IMAP Cache..."), "wizard", 0,
-     this, TQT_SLOT(slotTroubleshootFolder()), actionCollection(), "troubleshoot_folder" );
+     TQT_TQOBJECT(this), TQT_SLOT(slotTroubleshootFolder()), actionCollection(), "troubleshoot_folder" );
     if ( setState )
       updateFolderMenu(); // set initial state of the action
   } else {
@@ -3801,8 +3801,8 @@ void KMMainWidget::slotShortcutChanged( KMFolder *folder )
   FolderShortcutCommand *c = new FolderShortcutCommand( this, folder );
   mFolderShortcutCommands.insert( folder->idString(), c );
 
-  TQString actionlabel = TQString( "FolderShortcut %1").arg( folder->prettyURL() );
-  TQString actionname = TQString( "FolderShortcut %1").arg( folder->idString() );
+  TQString actionlabel = TQString( "FolderShortcut %1").tqarg( folder->prettyURL() );
+  TQString actionname = TQString( "FolderShortcut %1").tqarg( folder->idString() );
   TQString normalizedName = actionname.tqreplace(" ", "_");
   KAction* action =
     new KAction(actionlabel, folder->shortcut(), c, TQT_SLOT(start()),
diff --git a/kmail/kmmainwin.cpp b/kmail/kmmainwin.cpp
index 21879c55..fb2b28b2 100644
--- a/kmail/kmmainwin.cpp
+++ b/kmail/kmmainwin.cpp
@@ -36,10 +36,10 @@ KMMainWin::KMMainWin(TQWidget *)
   kapp->ref();
 
   (void) new KAction( i18n("New &Window"), "window_new", 0,
-		      this, TQT_SLOT(slotNewMailReader()),
+		      TQT_TQOBJECT(this), TQT_SLOT(slotNewMailReader()),
 		      actionCollection(), "new_mail_client" );
 
-  mKMMainWidget = new KMMainWidget( this, "KMMainWidget", this, actionCollection() );
+  mKMMainWidget = new KMMainWidget( TQT_TQWIDGET(this), "KMMainWidget", this, actionCollection() );
   mKMMainWidget->resize( 450, 600 );
   setCentralWidget(mKMMainWidget);
   setupStatusBar();
@@ -51,13 +51,13 @@ KMMainWin::KMMainWin(TQWidget *)
 
   setStandardToolBarMenuEnabled(true);
 
-  KStdAction::configureToolbars(this, TQT_SLOT(slotEditToolbars()),
+  KStdAction::configureToolbars(TQT_TQOBJECT(this), TQT_SLOT(slotEditToolbars()),
 				actionCollection());
 
-  KStdAction::keyBindings(mKMMainWidget, TQT_SLOT(slotEditKeys()),
+  KStdAction::keyBindings(TQT_TQOBJECT(mKMMainWidget), TQT_SLOT(slotEditKeys()),
                           actionCollection());
 
-  KStdAction::quit( this, TQT_SLOT(slotQuit()), actionCollection());
+  KStdAction::quit( TQT_TQOBJECT(this), TQT_SLOT(slotQuit()), actionCollection());
   createGUI( "kmmainwin.rc", false );
   // Don't use conserveMemory() because this renders dynamic plugging
   // of actions unusable!
@@ -96,7 +96,7 @@ KMMainWin::~KMMainWin()
       if ( !it.current()->isHidden() &&
            it.current()->isTopLevel() &&
            it.current() != this &&
-           ::qt_cast<KMMainWin *>( it.current() )
+           ::tqqt_cast<KMMainWin *>( it.current() )
         )
         not_withdrawn++;
     }
diff --git a/kmail/kmmessage.cpp b/kmail/kmmessage.cpp
index 6501c9e5..04af3d65 100644
--- a/kmail/kmmessage.cpp
+++ b/kmail/kmmessage.cpp
@@ -201,7 +201,7 @@ KMMessage::~KMMessage()
 //-----------------------------------------------------------------------------
 void KMMessage::setReferences(const TQCString& aStr)
 {
-  if (!aStr) return;
+  if (aStr.isNull()) return;
   mMsg->Headers().References().FromString(aStr);
   mNeedsAssembly = true;
 }
@@ -413,7 +413,7 @@ void KMMessage::fromDwString(const DwString& str, bool aSetqStatus)
     setqStatus(headerField("tqStatus").latin1(), headerField("X-tqStatus").latin1());
     setEncryptionStateChar( headerField("X-KMail-EncryptionState").at(0) );
     setSignatureStateChar(  headerField("X-KMail-SignatureState").at(0) );
-    setMDNSentState( static_cast<KMMsgMDNSentState>( headerField("X-KMail-MDN-Sent").at(0).latin1() ) );
+    setMDNSentState( static_cast<KMMsgMDNSentState>( headerField("X-KMail-MDN-Sent").tqat(0).latin1() ) );
   }
   if ( invitationState() == KMMsgInvitationUnknown && readyToShow() )
     updateInvitationState();
@@ -641,9 +641,9 @@ static bool flushPart(TQString &msg, TQStringList &part,
 
 static TQString stripSignature( const TQString & msg, bool clearSigned ) {
   if ( clearSigned )
-    return msg.left( msg.findRev( TQRegExp( "\n--\\s?\n" ) ) );
+    return msg.left( msg.tqfindRev( TQRegExp( "\n--\\s?\n" ) ) );
   else
-    return msg.left( msg.findRev( "\n-- \n" ) );
+    return msg.left( msg.tqfindRev( "\n-- \n" ) );
 }
 
 TQString KMMessage::smartQuote( const TQString & msg, int maxLineLength )
@@ -846,7 +846,7 @@ TQString KMMessage::asQuotedString( const TQString& aHeaderStr,
 
   // Remove blank lines at the beginning:
   const int firstNonWS = content.tqfind( TQRegExp( "\\S" ) );
-  const int lineStart = content.findRev( '\n', firstNonWS );
+  const int lineStart = content.tqfindRev( '\n', firstNonWS );
   if ( lineStart >= 0 )
     content.remove( 0, static_cast<unsigned int>( lineStart ) );
 
@@ -1114,8 +1114,8 @@ TQCString KMMessage::getRefStr() const
   if (!firstRef.isEmpty())
     retRefStr = firstRef + ' ';
 
-  i = refStr.findRev('<');
-  j = refStr.findRev('>');
+  i = refStr.tqfindRev('<');
+  j = refStr.tqfindRev('>');
 
   lastRef = refStr.mid(i, j-i+1);
   if (!lastRef.isEmpty() && lastRef != firstRef)
@@ -1141,14 +1141,14 @@ KMMessage* KMMessage::createRedirect( const TQString &toStr )
 
   // X-KMail-Redirect-From: content
   TQString strByWayOf = TQString("%1 (by way of %2 <%3>)")
-    .arg( from() )
-    .arg( ident.fullName() )
-    .arg( ident.primaryEmailAddress() );
+    .tqarg( from() )
+    .tqarg( ident.fullName() )
+    .tqarg( ident.primaryEmailAddress() );
 
   // Resent-From: content
   TQString strFrom = TQString("%1 <%2>")
-    .arg( ident.fullName() )
-    .arg( ident.primaryEmailAddress() );
+    .tqarg( ident.fullName() )
+    .tqarg( ident.primaryEmailAddress() );
 
   // format the current date to be used in Resent-Date:
   TQString origDate = msg->headerField( "Date" );
@@ -1623,7 +1623,7 @@ TQString KMMessage::replaceHeadersInString( const TQString & s ) const {
 
   idx = 0;
   while ( ( idx = rx.search( result, idx ) ) != -1 ) {
-    TQString replacement = headerField( rx.cap(1).latin1() );
+    TQString replacement = headerField( TQString(rx.cap(1)).latin1() );
     result.tqreplace( idx, rx.matchedLength(), replacement );
     idx += replacement.length();
   }
@@ -2085,7 +2085,7 @@ TQString KMMessage::replyToId() const
   if (rightAngle != -1)
     replyTo.truncate( rightAngle + 1 );
   // now search the start of the message id
-  leftAngle = replyTo.findRev( '<' );
+  leftAngle = replyTo.tqfindRev( '<' );
   if (leftAngle != -1)
     replyTo = replyTo.mid( leftAngle );
 
@@ -2098,7 +2098,7 @@ TQString KMMessage::replyToId() const
     return replyTo;
 
   references = headerField("References");
-  leftAngle = references.findRev( '<' );
+  leftAngle = references.tqfindRev( '<' );
   if (leftAngle != -1)
     references = references.mid( leftAngle );
   rightAngle = references.tqfind( '>' );
@@ -2126,11 +2126,11 @@ TQString KMMessage::references() const
   TQString references = headerField( "References" );
 
   // keep the last two entries for threading
-  leftAngle = references.findRev( '<' );
-  leftAngle = references.findRev( '<', leftAngle - 1 );
+  leftAngle = references.tqfindRev( '<' );
+  leftAngle = references.tqfindRev( '<', leftAngle - 1 );
   if( leftAngle != -1 )
     references = references.mid( leftAngle );
-  rightAngle = references.findRev( '>' );
+  rightAngle = references.tqfindRev( '>' );
   if( rightAngle != -1 )
     references.truncate( rightAngle + 1 );
 
@@ -2186,7 +2186,7 @@ TQString KMMessage::msgId() const
   if (rightAngle != -1)
     msgId.truncate( rightAngle + 1 );
   // now search the start of the message id
-  const int leftAngle = msgId.findRev( '<' );
+  const int leftAngle = msgId.tqfindRev( '<' );
   if (leftAngle != -1)
     msgId = msgId.mid( leftAngle );
   return msgId;
@@ -2367,11 +2367,11 @@ void KMMessage::setHeaderField( const TQCString& aName, const TQString& bValue,
       kdDebug(5006) << "aValue: \"" << aValue << "\"" << endl;
 #endif
   }
-  str = aName;
+  str = TQString(aName);
   if (str[str.length()-1] != ':') str += ": ";
   else str += ' ';
   if ( !aValue.isEmpty() )
-    str += aValue;
+    str += TQString(aValue);
   if (str[str.length()-1] != '\n') str += '\n';
 
   field = new DwField(str, mMsg);
@@ -3160,7 +3160,7 @@ void KMMessage::bodyPart(int aIdx, KMMessagePart* aPart) const
   if ( DwBodyPart *part = dwBodyPart( aIdx ) ) {
     KMMessage::bodyPart(part, aPart);
     if( aPart->name().isEmpty() )
-      aPart->setName( i18n("Attachment: %1").arg( aIdx ) );
+      aPart->setName( i18n("Attachment: %1").tqarg( aIdx ) );
   }
 }
 
@@ -3193,7 +3193,7 @@ bool KMMessage::deleteBodyPart( int partIndex )
   dummyPart.duplicate( part );
   TQString comment = i18n("This attachment has been deleted.");
   if ( !part.fileName().isEmpty() )
-    comment = i18n( "The attachment '%1' has been deleted." ).arg( part.fileName() );
+    comment = i18n( "The attachment '%1' has been deleted." ).tqarg( part.fileName() );
   dummyPart.setContentDescription( comment );
   dummyPart.setBodyEncodedBinary( TQByteArray() );
   TQCString cd = dummyPart.contentDisposition();
@@ -3261,8 +3261,8 @@ DwBodyPart* KMMessage::createDWBodyPart(const KMMessagePart* aPart)
 	iM = parAV.tqfind('=');
 	if( -1 < iM )
         {
-	  parA = parAV.left( iM );
-	  parV = parAV.right( parAV.length() - iM - 1 );
+	  parA = TQString(parAV.left( iM ));
+	  parV = TQString(parAV.right( parAV.length() - iM - 1 ));
 	  if( ('"' == parV.at(0)) && ('"' == parV.at(parV.length()-1)) )
           {
 	    parV.erase( 0,  1);
@@ -3271,7 +3271,7 @@ DwBodyPart* KMMessage::createDWBodyPart(const KMMessagePart* aPart)
 	}
 	else
         {
-	  parA = parAV;
+	  parA = TQString(parAV);
 	  parV = "";
 	}
 	DwParameter *param;
@@ -3495,7 +3495,7 @@ TQCString KMMessage::stripEmailAddr( const TQCString& aStr )
   bool inQuotedString = false;
   int commentLevel = 0;
 
-  for ( char* p = aStr.data(); *p; ++p ) {
+  for ( const char* p = aStr.data(); *p; ++p ) {
     switch ( context ) {
     case TopLevel : {
       switch ( *p ) {
@@ -4037,7 +4037,7 @@ void KMMessage::readConfig()
   int languageNr = config->readNumEntry("reply-current-language",0);
 
   { // area for config group "KMMessage #n"
-    KConfigGroupSaver saver(config, TQString("KMMessage #%1").arg(languageNr));
+    KConfigGroupSaver saver(config, TQString("KMMessage #%1").tqarg(languageNr));
     sReplyLanguage = config->readEntry("language",KGlobal::locale()->language());
     sReplyStr = config->readEntry("phrase-reply",
       i18n("On %D, you wrote:"));
diff --git a/kmail/kmmimeparttree.cpp b/kmail/kmmimeparttree.cpp
index c0b79189..730ad54d 100644
--- a/kmail/kmmimeparttree.cpp
+++ b/kmail/kmmimeparttree.cpp
@@ -213,10 +213,10 @@ void KMMimePartTree::setStyleDependantFrameWidth()
 {
   // set the width of the frame to a reasonable value for the current GUI style
   int frameWidth;
-  if( style().isA("KeramikStyle") )
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
+  if( tqstyle().isA("KeramikStyle") )
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
   else
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
   if ( frameWidth < 0 )
     frameWidth = 0;
   if ( frameWidth != lineWidth() )
@@ -309,7 +309,7 @@ void KMMimePartTree::slotCopy()
   if ( !url.isValid() ) return;
   urls.append( url );
   KURLDrag* drag = new KURLDrag( urls, this );
-  TQApplication::clipboard()->setData( drag, TQClipboard::Clipboard );
+  TQApplication::tqclipboard()->setData( drag, TQClipboard::Clipboard );
 }
 
 //=============================================================================
diff --git a/kmail/kmmsgbase.cpp b/kmail/kmmsgbase.cpp
index aed32458..eb8ed59e 100644
--- a/kmail/kmmsgbase.cpp
+++ b/kmail/kmmsgbase.cpp
@@ -587,8 +587,8 @@ TQCString KMMsgBase::toUsAscii(const TQString& _str, bool *ok)
   TQString result = _str;
   int len = result.length();
   for (int i = 0; i < len; i++)
-    if (result.at(i).tqunicode() >= 128) {
-      result.at(i) = '?';
+    if (result.tqat(i).tqunicode() >= 128) {
+      result.tqat(i) = '?';
       all_ok = false;
     }
   if (ok)
@@ -800,7 +800,7 @@ TQCString KMMsgBase::encodeRFC2047String(const TQString& _str,
   unsigned int nonAscii = 0;
   unsigned int strLength(_str.length());
   for (unsigned int i = 0; i < strLength; i++)
-    if (_str.at(i).tqunicode() >= 128) nonAscii++;
+    if (_str.tqat(i).tqunicode() >= 128) nonAscii++;
   bool useBase64 = (nonAscii * 6 > strLength);
 
   unsigned int start, stop, p, pos = 0, encLength;
@@ -813,17 +813,17 @@ TQCString KMMsgBase::encodeRFC2047String(const TQString& _str,
     start = pos; p = pos;
     while (p < strLength)
     {
-      if (!breakLine && (_str.at(p) == ' ' || dontQuote.tqfind(_str.at(p)) != -1))
+      if (!breakLine && (_str.tqat(p) == ' ' || dontQuote.tqfind(_str.tqat(p)) != -1))
         start = p + 1;
-      if (_str.at(p).tqunicode() >= 128 || _str.at(p).tqunicode() < 32)
+      if (_str.tqat(p).tqunicode() >= 128 || _str.tqat(p).tqunicode() < 32)
         break;
       p++;
     }
     if (breakLine || p < strLength)
     {
-      while (dontQuote.tqfind(_str.at(start)) != -1) start++;
+      while (dontQuote.tqfind(_str.tqat(start)) != -1) start++;
       stop = start;
-      while (stop < strLength && dontQuote.tqfind(_str.at(stop)) == -1)
+      while (stop < strLength && dontQuote.tqfind(_str.tqat(stop)) == -1)
         stop++;
       result += _str.mid(pos, start - pos).latin1();
       encLength = encodeRFC2047Quoted(codec->fromUnicode(_str.
@@ -843,13 +843,13 @@ TQCString KMMsgBase::encodeRFC2047String(const TQString& _str,
         stop = start + dif;
       }
       p = stop;
-      while (p > start && _str.at(p) != ' ') p--;
+      while (p > start && _str.tqat(p) != ' ') p--;
       if (p > start) stop = p;
       if (result.right(3) == "?= ") start--;
       if (result.right(5) == "?=\n  ") {
         start--; result.truncate(result.length() - 1);
       }
-      int lastNewLine = result.findRev("\n ");
+      int lastNewLine = result.tqfindRev("\n ");
       if (!result.mid(lastNewLine).stripWhiteSpace().isEmpty()
         && result.length() - lastNewLine + encLength + 2 > maxLen)
           result += "\n ";
@@ -951,18 +951,18 @@ TQString KMMsgBase::decodeRFC2231String(const TQCString& _str)
 
   TQCString charset = _str.left(p);
 
-  TQCString st = _str.mid(_str.findRev('\'') + 1);
+  TQCString st = _str.mid(_str.tqfindRev('\'') + 1);
   char ch, ch2;
   p = 0;
   while (p < (int)st.length())
   {
-    if (st.at(p) == 37)
+    if (st.tqat(p) == 37)
     {
-      ch = st.at(p+1) - 48;
+      ch = st.tqat(p+1) - 48;
       if (ch > 16) ch -= 7;
-      ch2 = st.at(p+2) - 48;
+      ch2 = st.tqat(p+2) - 48;
       if (ch2 > 16) ch2 -= 7;
-      st.at(p) = ch * 16 + ch2;
+      st.tqat(p) = ch * 16 + ch2;
       st.remove( p+1, 2 );
     }
     p++;
@@ -1477,7 +1477,7 @@ TQString KMMsgBase::replacePrefixes( const TQString& str,
   // 1. is anchored to the beginning of str (sans whitespace)
   // 2. matches at least one of the part regexps in prefixRegExps
   TQString bigRegExp = TQString::tqfromLatin1("^(?:\\s+|(?:%1))+\\s*")
-                      .arg( prefixRegExps.join(")|(?:") );
+                      .tqarg( prefixRegExps.join(")|(?:") );
   TQRegExp rx( bigRegExp, false /*case insens.*/ );
   if ( !rx.isValid() ) {
     kdWarning(5006) << "KMMessage::replacePrefixes(): bigRegExp = \""
diff --git a/kmail/kmmsginfo.cpp b/kmail/kmmsginfo.cpp
index 2d678bf1..8ce5f7cf 100644
--- a/kmail/kmmsginfo.cpp
+++ b/kmail/kmmsginfo.cpp
@@ -707,7 +707,7 @@ void KMMsgInfo::setTo( const TQString &to )
 //--- For compatability with old index files
 void KMMsgInfo::compat_fromOldIndexString(const TQCString& str, bool toUtf8)
 {
-    char *start, *offset;
+    const char *start, *offset;
 
     if(!kd)
         kd = new KMMsgInfoPrivate;
diff --git a/kmail/kmmsgpartdlg.cpp b/kmail/kmmsgpartdlg.cpp
index 386f4af6..a56bee17 100644
--- a/kmail/kmmsgpartdlg.cpp
+++ b/kmail/kmmsgpartdlg.cpp
@@ -71,7 +71,7 @@ KMMsgPartDialog::KMMsgPartDialog( const TQString & caption,
   // row 0: Type combobox:
   mMimeType = new KComboBox( true, plainPage() );
   mMimeType->setInsertionPolicy( TQComboBox::NoInsertion );
-  mMimeType->setValidator( new KMimeTypeValidator( mMimeType ) );
+  mMimeType->setValidator( new KMimeTypeValidator( TQT_TQOBJECT(mMimeType) ) );
   mMimeType->insertStringList( TQStringList()
 			       << TQString::tqfromLatin1("text/html")
 			       << TQString::tqfromLatin1("text/plain")
@@ -89,7 +89,7 @@ KMMsgPartDialog::KMMsgPartDialog( const TQString & caption,
 	     "<p>normally, you do not need to touch this setting, since the "
 	     "type of the file is automatically checked; but, sometimes, %1 "
 	     "may not detect the type correctly -- here is where you can fix "
-	     "that.</p></qt>").arg( kapp->aboutData()->programName() );
+	     "that.</p></qt>").tqarg( kapp->aboutData()->programName() );
   TQWhatsThis::add( mMimeType, msg );
 
   // row 1: Size label:
@@ -102,7 +102,7 @@ KMMsgPartDialog::KMMsgPartDialog( const TQString & caption,
 	     "because calculating the exact size would take too much time; "
 	     "when this is the case, it will be made visible by adding "
 	     "\"(est.)\" to the size displayed.</p></qt>")
-    .arg( kapp->aboutData()->programName() );
+    .tqarg( kapp->aboutData()->programName() );
   TQWhatsThis::add( mSize, msg );
 
   // row 2: "Name" lineedit and label:
@@ -148,7 +148,7 @@ KMMsgPartDialog::KMMsgPartDialog( const TQString & caption,
 	     "binary data, but consists of pure text -- in this case, choosing "
 	     "\"quoted-printable\" over the default \"base64\" will save up "
 	     "to 25% in resulting message size.</p></qt>")
-    .arg( kapp->aboutData()->programName() );
+    .tqarg( kapp->aboutData()->programName() );
   TQWhatsThis::add( label, msg );
   TQWhatsThis::add( mEncoding, msg );
 
@@ -210,7 +210,7 @@ void KMMsgPartDialog::setMimeType( const TQString & mimeType ) {
 
 void KMMsgPartDialog::setMimeType( const TQString & type,
 				   const TQString & subtype ) {
-  setMimeType( TQString::tqfromLatin1("%1/%2").arg(type).arg(subtype) );
+  setMimeType( TQString::tqfromLatin1("%1/%2").tqarg(type).tqarg(subtype) );
 }
 
 void KMMsgPartDialog::setMimeTypeList( const TQStringList & mimeTypes ) {
@@ -221,7 +221,7 @@ void KMMsgPartDialog::setSize( KIO::filesize_t size, bool estimated ) {
   TQString text = KIO::convertSize( size );
   if ( estimated )
     text = i18n("%1: a filesize incl. unit (e.g. \"1.3 KB\")",
-		"%1 (est.)").arg( text );
+		"%1 (est.)").tqarg( text );
   mSize->setText( text );
 }
 
diff --git a/kmail/kmpopfiltercnfrmdlg.cpp b/kmail/kmpopfiltercnfrmdlg.cpp
index 0936df8a..98748596 100644
--- a/kmail/kmpopfiltercnfrmdlg.cpp
+++ b/kmail/kmpopfiltercnfrmdlg.cpp
@@ -292,7 +292,7 @@ KMPopFilterCnfrmDlg::KMPopFilterCnfrmDlg(TQPtrList<KMPopHeaders> *aHeaders, cons
 
   TQLabel *l = new TQLabel(i18n("Messages to filter found on POP Account: <b>%1</b><p>"
       "The messages shown exceed the maximum size limit you defined for this account.<br>You can select "
-      "what you want to do with them by checking the appropriate button.").arg(aAccount), w);
+      "what you want to do with them by checking the appropriate button.").tqarg(aAccount), w);
   vbl->addWidget(l);
 
   TQVGroupBox *upperBox = new TQVGroupBox(i18n("Messages Exceeding Size"), w);
@@ -360,7 +360,7 @@ KMPopFilterCnfrmDlg::KMPopFilterCnfrmDlg(TQPtrList<KMPopHeaders> *aHeaders, cons
   }
 
   if(rulesetCount)
-      lowerBox->setTitle(i18n("Ruleset Filtered Messages: %1").arg(rulesetCount));
+      lowerBox->setTitle(i18n("Ruleset Filtered Messages: %1").tqarg(rulesetCount));
 
   // connect signals and slots
   connect(lv, TQT_SIGNAL(pressed(TQListViewItem*, const TQPoint&, int)),
diff --git a/kmail/kmreadermainwin.cpp b/kmail/kmreadermainwin.cpp
index 84060817..f07ba8fe 100644
--- a/kmail/kmreadermainwin.cpp
+++ b/kmail/kmreadermainwin.cpp
@@ -348,29 +348,29 @@ void KMReaderMainWin::setupAccel()
   //                             this, TQT_SLOT( slotSaveMsg() ),
   //                             actionCollection(), "file_save_as" );
 
-  mSaveAsAction = KStdAction::saveAs( mReaderWin, TQT_SLOT( slotSaveMsg() ),
+  mSaveAsAction = KStdAction::saveAs( TQT_TQOBJECT(mReaderWin), TQT_SLOT( slotSaveMsg() ),
 				      actionCollection() );
   mSaveAsAction->setShortcut( KStdAccel::shortcut( KStdAccel::Save ) );
-  mPrintAction = KStdAction::print( this, TQT_SLOT( slotPrintMsg() ),
+  mPrintAction = KStdAction::print( TQT_TQOBJECT(this), TQT_SLOT( slotPrintMsg() ),
                                     actionCollection() );
 
-  KAction *closeAction = KStdAction::close( this, TQT_SLOT( close() ), actionCollection() );
+  KAction *closeAction = KStdAction::close( TQT_TQOBJECT(this), TQT_SLOT( close() ), actionCollection() );
   KShortcut closeShortcut = closeAction->shortcut();
   closeShortcut.append( KKey(Key_Escape));
   closeAction->setShortcut(closeShortcut);
 
   //----- Edit Menu
-  KStdAction::copy( this, TQT_SLOT( slotCopy() ), actionCollection() );
-  KStdAction::selectAll( this, TQT_SLOT( slotMarkAll() ), actionCollection() );
-  KStdAction::tqfind( this, TQT_SLOT(slotFind()), actionCollection() );
-  KStdAction::findNext( this, TQT_SLOT( slotFindNext() ), actionCollection() );
+  KStdAction::copy( TQT_TQOBJECT(this), TQT_SLOT( slotCopy() ), actionCollection() );
+  KStdAction::selectAll( TQT_TQOBJECT(this), TQT_SLOT( slotMarkAll() ), actionCollection() );
+  KStdAction::find( TQT_TQOBJECT(this), TQT_SLOT(slotFind()), actionCollection() );
+  KStdAction::findNext( TQT_TQOBJECT(this), TQT_SLOT( slotFindNext() ), actionCollection() );
   mTrashAction = new KAction( KGuiItem( i18n( "&Move to Trash" ), "edittrash",
                               i18n( "Move message to trashcan" ) ),
-                              Key_Delete, this, TQT_SLOT( slotTrashMsg() ),
+                              Key_Delete, TQT_TQOBJECT(this), TQT_SLOT( slotTrashMsg() ),
                               actionCollection(), "move_to_trash" );
 
   //----- View Menu
-  mViewSourceAction = new KAction( i18n("&View Source"), Key_V, this,
+  mViewSourceAction = new KAction( i18n("&View Source"), Key_V, TQT_TQOBJECT(this),
                                    TQT_SLOT(slotShowMsgSrc()), actionCollection(),
                                    "view_source" );
 
@@ -379,25 +379,25 @@ void KMReaderMainWin::setupAccel()
 					"mail_forward", actionCollection(),
 					"message_forward" );
       mForwardInlineAction = new KAction( i18n("&Inline..."),
-                                      "mail_forward", SHIFT+Key_F, this,
+                                      "mail_forward", SHIFT+Key_F, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardInlineMsg()),
                                       actionCollection(),
                                       "message_forward_inline" );
 
       mForwardAttachedAction = new KAction( i18n("Message->Forward->","As &Attachment..."),
-                                        "mail_forward", Key_F, this,
+                                        "mail_forward", Key_F, TQT_TQOBJECT(this),
                                         TQT_SLOT(slotForwardAttachedMsg()),
                                         actionCollection(),
                                         "message_forward_as_attachment" );
 
       mForwardDigestAction = new KAction( i18n("Message->Forward->","As Di&gest..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardDigestMsg()),
                                       actionCollection(),
                                       "message_forward_as_digest" );
 
       mRedirectAction = new KAction( i18n("Message->Forward->","&Redirect..."),
-                                 "mail_forward", Key_E, this,
+                                 "mail_forward", Key_E, TQT_TQOBJECT(this),
                                  TQT_SLOT(slotRedirectMsg()),
                                  actionCollection(),
                                  "message_forward_redirect" );
@@ -435,7 +435,7 @@ void KMReaderMainWin::setupAccel()
 	  mReaderWin, TQT_SLOT(slotUrlClicked()));
 
   setStandardToolBarMenuEnabled(true);
-  KStdAction::configureToolbars(this, TQT_SLOT(slotEditToolbars()), actionCollection());
+  KStdAction::configureToolbars(TQT_TQOBJECT(this), TQT_SLOT(slotEditToolbars()), actionCollection());
 }
 
 
@@ -503,7 +503,7 @@ void KMReaderMainWin::slotMsgPopup(KMMessage &aMsg, const KURL &aUrl, const TQPo
     TQPopupMenu* copyMenu = new TQPopupMenu(menu);
     KMMainWidget* mainwin = kmkernel->getKMMainWidget();
     if ( mainwin )
-      mainwin->folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, this,
+      mainwin->folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage, TQT_TQOBJECT(this),
           &mMenuToFolder, copyMenu );
     menu->insertItem( i18n("&Copy To" ), copyMenu );
     menu->insertSeparator();
diff --git a/kmail/kmreaderwin.cpp b/kmail/kmreaderwin.cpp
index a6b3c1d5..5b80dc0a 100644
--- a/kmail/kmreaderwin.cpp
+++ b/kmail/kmreaderwin.cpp
@@ -150,7 +150,7 @@ NewByteArray& NewByteArray::appendNULL()
 {
     TQByteArray::detach();
     uint len1 = size();
-    if ( !TQByteArray::resize( len1 + 1 ) )
+    if ( !TQByteArray::tqresize( len1 + 1 ) )
         return *this;
     *(data() + len1) = '\0';
     return *this;
@@ -162,7 +162,7 @@ NewByteArray& NewByteArray::operator+=( const char * newData )
     TQByteArray::detach();
     uint len1 = size();
     uint len2 = tqstrlen( newData );
-    if ( !TQByteArray::resize( len1 + len2 ) )
+    if ( !TQByteArray::tqresize( len1 + len2 ) )
         return *this;
     memcpy( data() + len1, newData, len2 );
     return *this;
@@ -174,7 +174,7 @@ NewByteArray& NewByteArray::operator+=( const TQByteArray & newData )
     TQByteArray::detach();
     uint len1 = size();
     uint len2 = newData.size();
-    if ( !TQByteArray::resize( len1 + len2 ) )
+    if ( !TQByteArray::tqresize( len1 + len2 ) )
         return *this;
     memcpy( data() + len1, newData.data(), len2 );
     return *this;
@@ -186,7 +186,7 @@ NewByteArray& NewByteArray::operator+=( const TQCString & newData )
     TQByteArray::detach();
     uint len1 = size();
     uint len2 = newData.length(); // forget about the trailing 0x00 !
-    if ( !TQByteArray::resize( len1 + len2 ) )
+    if ( !TQByteArray::tqresize( len1 + len2 ) )
         return *this;
     memcpy( data() + len1, newData.data(), len2 );
     return *this;
@@ -207,7 +207,7 @@ void KMReaderWin::objectTreeToDecryptedMsg( partNode* node,
                                             int recCount )
 {
   kdDebug(5006) << TQString("-------------------------------------------------" ) << endl;
-  kdDebug(5006) << TQString("KMReaderWin::objectTreeToDecryptedMsg( %1 )  START").arg( recCount ) << endl;
+  kdDebug(5006) << TQString("KMReaderWin::objectTreeToDecryptedMsg( %1 )  START").tqarg( recCount ) << endl;
   if( node ) {
 
     kdDebug(5006) << node->typeString() << '/' << node->subTypeString() << endl;
@@ -360,7 +360,7 @@ kdDebug(5006) << "                      Root node will NOT be replaced." << endl
                                 recCount + 1 );
     }
   }
-  kdDebug(5006) << TQString("\nKMReaderWin::objectTreeToDecryptedMsg( %1 )  END").arg( recCount ) << endl;
+  kdDebug(5006) << TQString("\nKMReaderWin::objectTreeToDecryptedMsg( %1 )  END").tqarg( recCount ) << endl;
 }
 
 
@@ -386,7 +386,7 @@ kdDebug(5006) << "                      Root node will NOT be replaced." << endl
 
 void KMReaderWin::createWidgets() {
   TQVBoxLayout * vlay = new TQVBoxLayout( this );
-  mSplitter = new TQSplitter( TQt::Vertical, this, "mSplitter" );
+  mSplitter = new TQSplitter( Qt::Vertical, this, "mSplitter" );
   vlay->addWidget( mSplitter );
   mMimePartTree = new KMMimePartTree( this, mSplitter, "mMimePartTree" );
   mBox = new TQHBox( mSplitter, "mBox" );
@@ -467,11 +467,11 @@ KMReaderWin::KMReaderWin(TQWidget *aParent,
   mLevelQuote = GlobalSettings::self()->collapseQuoteLevelSpin() - 1;
 
   connect( &mUpdateReaderWinTimer, TQT_SIGNAL(timeout()),
-  	   this, TQT_SLOT(updateReaderWin()) );
+  	   TQT_TQOBJECT(this), TQT_SLOT(updateReaderWin()) );
   connect( &mResizeTimer, TQT_SIGNAL(timeout()),
-  	   this, TQT_SLOT(slotDelayedResize()) );
+  	   TQT_TQOBJECT(this), TQT_SLOT(slotDelayedResize()) );
   connect( &mDelayedMarkTimer, TQT_SIGNAL(timeout()),
-           this, TQT_SLOT(slotTouchMessage()) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotTouchMessage()) );
 
 }
 
@@ -487,45 +487,45 @@ void KMReaderWin::createActions( KActionCollection * ac ) {
   headerMenu->setToolTip( i18n("Choose display style of message headers") );
 
   connect( headerMenu, TQT_SIGNAL(activated()),
-           this, TQT_SLOT(slotCycleHeaderStyles()) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotCycleHeaderStyles()) );
 
   raction = new KRadioAction( i18n("View->headers->", "&Enterprise Headers"), 0,
-                              this, TQT_SLOT(slotEnterpriseHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotEnterpriseHeaders()),
                               ac, "view_headers_enterprise" );
   raction->setToolTip( i18n("Show the list of headers in Enterprise style") );
   raction->setExclusiveGroup( "view_headers_group" );
   headerMenu->insert(raction);
 
   raction = new KRadioAction( i18n("View->headers->", "&Fancy Headers"), 0,
-                              this, TQT_SLOT(slotFancyHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotFancyHeaders()),
                               ac, "view_headers_fancy" );
   raction->setToolTip( i18n("Show the list of headers in a fancy format") );
   raction->setExclusiveGroup( "view_headers_group" );
   headerMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->headers->", "&Brief Headers"), 0,
-                              this, TQT_SLOT(slotBriefHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotBriefHeaders()),
                               ac, "view_headers_brief" );
   raction->setToolTip( i18n("Show brief list of message headers") );
   raction->setExclusiveGroup( "view_headers_group" );
   headerMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->headers->", "&Standard Headers"), 0,
-                              this, TQT_SLOT(slotStandardHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotStandardHeaders()),
                               ac, "view_headers_standard" );
   raction->setToolTip( i18n("Show standard list of message headers") );
   raction->setExclusiveGroup( "view_headers_group" );
   headerMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->headers->", "&Long Headers"), 0,
-                              this, TQT_SLOT(slotLongHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotLongHeaders()),
                               ac, "view_headers_long" );
   raction->setToolTip( i18n("Show long list of message headers") );
   raction->setExclusiveGroup( "view_headers_group" );
   headerMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->headers->", "&All Headers"), 0,
-                              this, TQT_SLOT(slotAllHeaders()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotAllHeaders()),
                               ac, "view_headers_all" );
   raction->setToolTip( i18n("Show all message headers") );
   raction->setExclusiveGroup( "view_headers_group" );
@@ -536,38 +536,38 @@ void KMReaderWin::createActions( KActionCollection * ac ) {
     new KActionMenu( i18n("View->", "&Attachments"), ac, "view_attachments" );
   attachmentMenu->setToolTip( i18n("Choose display style of attachments") );
   connect( attachmentMenu, TQT_SIGNAL(activated()),
-           this, TQT_SLOT(slotCycleAttachmentStrategy()) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotCycleAttachmentStrategy()) );
 
   raction = new KRadioAction( i18n("View->attachments->", "&As Icons"), 0,
-                              this, TQT_SLOT(slotIconicAttachments()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotIconicAttachments()),
                               ac, "view_attachments_as_icons" );
   raction->setToolTip( i18n("Show all attachments as icons. Click to see them.") );
   raction->setExclusiveGroup( "view_attachments_group" );
   attachmentMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->attachments->", "&Smart"), 0,
-                              this, TQT_SLOT(slotSmartAttachments()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotSmartAttachments()),
                               ac, "view_attachments_smart" );
   raction->setToolTip( i18n("Show attachments as suggested by sender.") );
   raction->setExclusiveGroup( "view_attachments_group" );
   attachmentMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->attachments->", "&Inline"), 0,
-                              this, TQT_SLOT(slotInlineAttachments()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotInlineAttachments()),
                               ac, "view_attachments_inline" );
   raction->setToolTip( i18n("Show all attachments inline (if possible)") );
   raction->setExclusiveGroup( "view_attachments_group" );
   attachmentMenu->insert( raction );
 
   raction = new KRadioAction( i18n("View->attachments->", "&Hide"), 0,
-                              this, TQT_SLOT(slotHideAttachments()),
+                              TQT_TQOBJECT(this), TQT_SLOT(slotHideAttachments()),
                               ac, "view_attachments_hide" );
   raction->setToolTip( i18n("Do not show attachments in the message viewer") );
   raction->setExclusiveGroup( "view_attachments_group" );
   attachmentMenu->insert( raction );
 
   mHeaderOnlyAttachmentsAction = new KRadioAction( i18n( "View->attachments->", "In Header &Only" ), 0,
-                              this, TQT_SLOT( slotHeaderOnlyAttachments() ),
+                              TQT_TQOBJECT(this), TQT_SLOT( slotHeaderOnlyAttachments() ),
                               ac, "view_attachments_headeronly" );
   mHeaderOnlyAttachmentsAction->setToolTip( i18n( "Show Attachments only in the header of the mail" ) );
   mHeaderOnlyAttachmentsAction->setExclusiveGroup( "view_attachments_group" );
@@ -575,7 +575,7 @@ void KMReaderWin::createActions( KActionCollection * ac ) {
 
   // Set Encoding submenu
   mSelectEncodingAction = new KSelectAction( i18n( "&Set Encoding" ), "charset", 0,
-                                 this, TQT_SLOT( slotSetEncoding() ),
+                                 TQT_TQOBJECT(this), TQT_SLOT( slotSetEncoding() ),
                                  ac, "encoding" );
   TQStringList encodings = KMMsgBase::supportedEncodings( false );
   encodings.prepend( i18n( "Auto" ) );
@@ -583,39 +583,39 @@ void KMReaderWin::createActions( KActionCollection * ac ) {
   mSelectEncodingAction->setCurrentItem( 0 );
 
   mMailToComposeAction = new KAction( i18n("New Message To..."), "mail_new",
-                                      0, this, TQT_SLOT(slotMailtoCompose()), ac,
+                                      0, TQT_TQOBJECT(this), TQT_SLOT(slotMailtoCompose()), ac,
                                       "mailto_compose" );
   mMailToReplyAction = new KAction( i18n("Reply To..."), "mail_reply",
-                                    0, this, TQT_SLOT(slotMailtoReply()), ac,
+                                    0, TQT_TQOBJECT(this), TQT_SLOT(slotMailtoReply()), ac,
 				    "mailto_reply" );
   mMailToForwardAction = new KAction( i18n("Forward To..."), "mail_forward",
-                                      0, this, TQT_SLOT(slotMailtoForward()), ac,
+                                      0, TQT_TQOBJECT(this), TQT_SLOT(slotMailtoForward()), ac,
                                       "mailto_forward" );
   mAddAddrBookAction = new KAction( i18n("Add to Address Book"),
-				    0, this, TQT_SLOT(slotMailtoAddAddrBook()),
+				    0, TQT_TQOBJECT(this), TQT_SLOT(slotMailtoAddAddrBook()),
 				    ac, "add_addr_book" );
   mOpenAddrBookAction = new KAction( i18n("Open in Address Book"),
-                                     0, this, TQT_SLOT(slotMailtoOpenAddrBook()),
+                                     0, TQT_TQOBJECT(this), TQT_SLOT(slotMailtoOpenAddrBook()),
                                      ac, "openin_addr_book" );
-  mCopyAction = KStdAction::copy( this, TQT_SLOT(slotCopySelectedText()), ac, "kmail_copy");
-  mSelectAllAction = new KAction( i18n("Select All Text"), CTRL+SHIFT+Key_A, this,
+  mCopyAction = KStdAction::copy( TQT_TQOBJECT(this), TQT_SLOT(slotCopySelectedText()), ac, "kmail_copy");
+  mSelectAllAction = new KAction( i18n("Select All Text"), CTRL+SHIFT+Key_A, TQT_TQOBJECT(this),
                                   TQT_SLOT(selectAll()), ac, "mark_all_text" );
-  mCopyURLAction = new KAction( i18n("Copy Link Address"), 0, this,
+  mCopyURLAction = new KAction( i18n("Copy Link Address"), 0, TQT_TQOBJECT(this),
 				TQT_SLOT(slotUrlCopy()), ac, "copy_url" );
-  mUrlOpenAction = new KAction( i18n("Open URL"), 0, this,
+  mUrlOpenAction = new KAction( i18n("Open URL"), 0, TQT_TQOBJECT(this),
                                 TQT_SLOT(slotUrlOpen()), ac, "open_url" );
   mAddBookmarksAction = new KAction( i18n("Bookmark This Link"),
                                      "bookmark_add",
-                                     0, this, TQT_SLOT(slotAddBookmarks()),
+                                     0, TQT_TQOBJECT(this), TQT_SLOT(slotAddBookmarks()),
                                      ac, "add_bookmarks" );
-  mUrlSaveAsAction = new KAction( i18n("Save Link As..."), 0, this,
+  mUrlSaveAsAction = new KAction( i18n("Save Link As..."), 0, TQT_TQOBJECT(this),
                                   TQT_SLOT(slotUrlSave()), ac, "saveas_url" );
 
   mToggleFixFontAction = new KToggleAction( i18n("Use Fi&xed Font"),
-                                            Key_X, this, TQT_SLOT(slotToggleFixedFont()),
+                                            Key_X, TQT_TQOBJECT(this), TQT_SLOT(slotToggleFixedFont()),
                                             ac, "toggle_fixedfont" );
 
-  mStartIMChatAction = new KAction( i18n("Chat &With..."), 0, this,
+  mStartIMChatAction = new KAction( i18n("Chat &With..."), 0, TQT_TQOBJECT(this),
 				    TQT_SLOT(slotIMChat()), ac, "start_im_chat" );
 }
 
@@ -988,7 +988,7 @@ void KMReaderWin::writeConfig( bool sync ) const {
 //-----------------------------------------------------------------------------
 void KMReaderWin::initHtmlWidget(void)
 {
-  mViewer->widget()->setFocusPolicy(WheelFocus);
+  mViewer->widget()->setFocusPolicy(Qt::WheelFocus);
   // Let's better be paranoid and disable plugins (it defaults to enabled):
   mViewer->setPluginsEnabled(false);
   mViewer->setJScriptEnabled(false); // just make this explicit
@@ -1017,9 +1017,9 @@ void KMReaderWin::initHtmlWidget(void)
   connect(mViewer,TQT_SIGNAL(popupMenu(const TQString &, const TQPoint &)),
           TQT_SLOT(slotUrlPopup(const TQString &, const TQPoint &)));
   connect( kmkernel->imProxy(), TQT_SIGNAL( sigContactPresenceChanged( const TQString & ) ),
-          this, TQT_SLOT( contacStatusChanged( const TQString & ) ) );
+          TQT_TQOBJECT(this), TQT_SLOT( contacStatusChanged( const TQString & ) ) );
   connect( kmkernel->imProxy(), TQT_SIGNAL( sigPresenceInfoExpired() ),
-          this, TQT_SLOT( updateReaderWin() ) );
+          TQT_TQOBJECT(this), TQT_SLOT( updateReaderWin() ) );
 }
 
 void KMReaderWin::contacStatusChanged( const TQString &uid)
@@ -1285,11 +1285,11 @@ void KMReaderWin::displaySplashPage( const TQString &info )
 
   TQString location = locate("data", "kmail/about/main.html");
   TQString content = KPIM::kFileToString(location);
-  content = content.arg( locate( "data", "libkdepim/about/kde_infopage.css" ) );
+  content = content.tqarg( locate( "data", "libkdepim/about/kde_infopage.css" ) );
   if ( kapp->reverseLayout() )
-    content = content.arg( "@import \"%1\";" ).arg( locate( "data", "libkdepim/about/kde_infopage_rtl.css" ) );
+    content = content.tqarg( "@import \"%1\";" ).tqarg( locate( "data", "libkdepim/about/kde_infopage_rtl.css" ) );
   else
-    content = content.arg( "" );
+    content = content.tqarg( "" );
 
   mViewer->begin(KURL( location ));
 
@@ -1297,7 +1297,7 @@ void KMReaderWin::displaySplashPage( const TQString &info )
   TQString appTitle = i18n("KMail");
   TQString catchPhrase = ""; //not enough space for a catch phrase at default window size i18n("Part of the Kontact Suite");
   TQString quickDescription = i18n("The email client for the K Desktop Environment.");
-  mViewer->write(content.arg(fontSize).arg(appTitle).arg(catchPhrase).arg(quickDescription).arg(info));
+  mViewer->write(content.tqarg(fontSize).tqarg(appTitle).tqarg(catchPhrase).tqarg(quickDescription).tqarg(info));
   mViewer->end();
 }
 
@@ -1345,41 +1345,41 @@ void KMReaderWin::displayAboutPage()
 	 "<p>We hope that you will enjoy KMail.</p>\n"
 	 "<p>Thank you,</p>\n"
 	     "<p style='margin-bottom: 0px'>&nbsp; &nbsp; The KMail Team</p>")
-    .arg(KMAIL_VERSION) // KMail version
-    .arg("help:/kmail/index.html") // KMail help:// URL
-    .arg("http://kontact.kde.org/kmail/") // KMail homepage URL
-    .arg("1.8").arg("3.4"); // prior KMail and KDE version
+    .tqarg(KMAIL_VERSION) // KMail version
+    .tqarg("help:/kmail/index.html") // KMail help:// URL
+    .tqarg("http://kontact.kde.org/kmail/") // KMail homepage URL
+    .tqarg("1.8").tqarg("3.4"); // prior KMail and KDE version
 
   TQString featureItems;
   for ( int i = 0 ; i < numKMailNewFeatures ; i++ )
-    featureItems += i18n("<li>%1</li>\n").arg( i18n( kmailNewFeatures[i] ) );
+    featureItems += i18n("<li>%1</li>\n").tqarg( i18n( kmailNewFeatures[i] ) );
 
-  info = info.arg( featureItems );
+  info = info.tqarg( featureItems );
 
   if( kmkernel->firstStart() ) {
-    info = info.arg( i18n("<p>Please take a moment to fill in the KMail "
+    info = info.tqarg( i18n("<p>Please take a moment to fill in the KMail "
 			  "configuration panel at Settings-&gt;Configure "
 			  "KMail.\n"
 			  "You need to create at least a default identity and "
 			  "an incoming as well as outgoing mail account."
 			  "</p>\n") );
   } else {
-    info = info.arg( TQString() );
+    info = info.tqarg( TQString() );
   }
 
   if ( ( numKMailChanges > 1 ) || ( numKMailChanges == 1 && strlen(kmailChanges[0]) > 0 ) ) {
     TQString changesText =
       i18n("<p><span style='font-size:125%; font-weight:bold;'>"
            "Important changes</span> (compared to KMail %1):</p>\n")
-      .arg("1.8");
+      .tqarg("1.8");
     changesText += "<ul>\n";
     for ( int i = 0 ; i < numKMailChanges ; i++ )
-      changesText += i18n("<li>%1</li>\n").arg( i18n( kmailChanges[i] ) );
+      changesText += i18n("<li>%1</li>\n").tqarg( i18n( kmailChanges[i] ) );
     changesText += "</ul>\n";
-    info = info.arg( changesText );
+    info = info.tqarg( changesText );
   }
   else
-    info = info.arg(""); // remove the %8
+    info = info.tqarg(""); // remove the %8
 
   displaySplashPage( info );
 }
@@ -1480,7 +1480,7 @@ void KMReaderWin::displayMessage() {
   htmlWriter()->queue("</body></html>");
   htmlWriter()->flush();
 
-  TQTimer::singleShot( 1, this, TQT_SLOT(injectAttachments()) );
+  TQTimer::singleShot( 1, TQT_TQOBJECT(this), TQT_SLOT(injectAttachments()) );
 }
 
 static bool message_was_saved_decrypted_before( const KMMessage * msg ) {
@@ -1694,7 +1694,7 @@ TQString KMReaderWin::writeMessagePartToTempFile( KMMessagePart* aMsgPart,
     return TQString();
 
   // strip off a leading path
-  int slashPos = fileName.findRev( '/' );
+  int slashPos = fileName.tqfindRev( '/' );
   if( -1 != slashPos )
     fileName = fileName.mid( slashPos + 1 );
   if( fileName.isEmpty() )
@@ -1764,8 +1764,8 @@ int KMReaderWin::msgPartFromUrl(const KURL &aUrl)
   if (!aUrl.isLocalFile()) return -1;
 
   TQString path = aUrl.path();
-  uint right = path.findRev('/');
-  uint left = path.findRev('.', right);
+  uint right = path.tqfindRev('/');
+  uint left = path.tqfindRev('.', right);
 
   bool ok;
   int res = path.mid(left + 1, right - left - 1).toInt(&ok);
@@ -1916,7 +1916,7 @@ void KMReaderWin::slotUrlOpen(const KURL &aUrl, const KParts::URLArgs &)
     return;
 
   kdWarning( 5006 ) << "KMReaderWin::slotOpenUrl(): Unhandled URL click!" << endl;
-  emit urlClicked( aUrl, TQt::LeftButton );
+  emit urlClicked( aUrl, Qt::LeftButton );
 }
 
 //-----------------------------------------------------------------------------
@@ -1955,8 +1955,8 @@ static bool hasParentDivWithId( const DOM::Node &start, const TQString &id )
     }
   }
 
-  if ( !start.tqparentNode().isNull() )
-    return hasParentDivWithId( start.tqparentNode(), id );
+  if ( !start.parentNode().isNull() )
+    return hasParentDivWithId( start.parentNode(), id );
   else return false;
 }
 
@@ -1976,7 +1976,7 @@ void KMReaderWin::showAttachmentPopup( int id, const TQString & name, const TQPo
     menu->insertItem(SmallIcon("edit"), i18n("Edit Attachment"), 8 );
   if ( GlobalSettings::self()->allowAttachmentDeletion() && canChange )
     menu->insertItem(SmallIcon("editdelete"), i18n("Delete Attachment"), 7 );
-  if ( name.endsWith( ".xia", false ) &&
+  if ( name.tqendsWith( ".xia", false ) &&
        Kleo::CryptoBackendFactory::instance()->protocol( "Chiasmus" ) )
     menu->insertItem( i18n( "Decrypt With Chiasmus..." ), 6 );
   menu->insertItem(i18n("Properties"), 5);
@@ -1987,7 +1987,7 @@ void KMReaderWin::showAttachmentPopup( int id, const TQString & name, const TQPo
     menu->insertItem( i18n("Scroll To"), 10 );
   }
 
-  connect(menu, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotHandleAttachment(int)));
+  connect(menu, TQT_SIGNAL(activated(int)), TQT_TQOBJECT(this), TQT_SLOT(slotHandleAttachment(int)));
   menu->exec( p ,0 );
   delete menu;
 }
@@ -1999,10 +1999,10 @@ void KMReaderWin::setStyleDependantFrameWidth()
     return;
   // set the width of the frame to a reasonable value for the current GUI style
   int frameWidth;
-  if( style().isA("KeramikStyle") )
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
+  if( tqstyle().isA("KeramikStyle") )
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth ) - 1;
   else
-    frameWidth = style().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
+    frameWidth = tqstyle().tqpixelMetric( TQStyle::PM_DefaultFrameWidth );
   if ( frameWidth < 0 )
     frameWidth = 0;
   if ( frameWidth != mBox->lineWidth() )
@@ -2028,7 +2028,7 @@ void KMReaderWin::slotHandleAttachment( int choice )
       node, message(), mAtmCurrent, mAtmCurrentName,
       KMHandleAttachmentCommand::AttachmentAction( choice ), 0, this );
   connect( command, TQT_SIGNAL( showAttachment( int, const TQString& ) ),
-      this, TQT_SLOT( slotAtmView( int, const TQString& ) ) );
+      TQT_TQOBJECT(this), TQT_SLOT( slotAtmView( int, const TQString& ) ) );
   command->start();
   } else if ( choice == 7 ) {
     slotDeleteAttachment( node );
@@ -2041,7 +2041,7 @@ void KMReaderWin::slotHandleAttachment( int choice )
     if (!url.isValid() ) return;
     urls.append( url );
     KURLDrag* drag = new KURLDrag( urls, this );
-    TQApplication::clipboard()->setData( drag, TQClipboard::Clipboard );
+    TQApplication::tqclipboard()->setData( drag, TQClipboard::Clipboard );
   } else if ( choice == 10 ) { // Scroll To
     scrollToAttachment( node );
   }
@@ -2142,7 +2142,7 @@ void KMReaderWin::setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
       }
       htmlWriter()->queue("</body></html>");
       htmlWriter()->flush();
-      mMainWindow->setCaption(i18n("View Attachment: %1").arg(pname));
+      mMainWindow->setCaption(i18n("View Attachment: %1").tqarg(pname));
   } else if (kasciistricmp(aMsgPart->typeStr(), "image")==0 ||
              (kasciistricmp(aMsgPart->typeStr(), "application")==0 &&
               kasciistricmp(aMsgPart->subtypeStr(), "postscript")==0))
@@ -2178,7 +2178,7 @@ void KMReaderWin::setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
                            "\" border=\"0\">\n"
                            "</body></html>\n" );
       htmlWriter()->end();
-      setCaption( i18n("View Attachment: %1").arg( pname ) );
+      setCaption( i18n("View Attachment: %1").tqarg( pname ) );
       show();
       delete iio;
   } else {
@@ -2198,7 +2198,7 @@ void KMReaderWin::setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
     htmlWriter()->queue( "</pre>" );
     htmlWriter()->queue("</body></html>");
     htmlWriter()->flush();
-    mMainWindow->setCaption(i18n("View Attachment: %1").arg(pname));
+    mMainWindow->setCaption(i18n("View Attachment: %1").tqarg(pname));
   }
   // ---Sven's view text, html and image attachments in html widget end ---
 }
@@ -2287,14 +2287,14 @@ void KMReaderWin::openAttachment( int id, const TQString & name )
   if ( filenameText.isEmpty() )
     filenameText = msgPart.name();
   if ( offer ) {
-    open_text = i18n("&Open with '%1'").arg( offer->name() );
+    open_text = i18n("&Open with '%1'").tqarg( offer->name() );
   } else {
     open_text = i18n("&Open With...");
   }
   const TQString text = i18n("Open attachment '%1'?\n"
                             "Note that opening an attachment may compromise "
                             "your system's security.")
-                       .arg( filenameText );
+                       .tqarg( filenameText );
   const int choice = KMessageBox::questionYesNoCancel( this, text,
       i18n("Open Attachment?"), KStdGuiItem::saveAs(), open_text,
       TQString::tqfromLatin1("askSave") + mimetype->name() ); // dontAskAgainName
@@ -2305,7 +2305,7 @@ void KMReaderWin::openAttachment( int id, const TQString & name )
         message(), mAtmCurrent, mAtmCurrentName, KMHandleAttachmentCommand::Save,
         offer, this );
     connect( command, TQT_SIGNAL( showAttachment( int, const TQString& ) ),
-        this, TQT_SLOT( slotAtmView( int, const TQString& ) ) );
+        TQT_TQOBJECT(this), TQT_SLOT( slotAtmView( int, const TQString& ) ) );
     command->start();
   }
   else if( choice == KMessageBox::No ) {	// Open
@@ -2315,7 +2315,7 @@ void KMReaderWin::openAttachment( int id, const TQString & name )
     KMHandleAttachmentCommand* command = new KMHandleAttachmentCommand( node,
         message(), mAtmCurrent, mAtmCurrentName, action, offer, this );
     connect( command, TQT_SIGNAL( showAttachment( int, const TQString& ) ),
-        this, TQT_SLOT( slotAtmView( int, const TQString& ) ) );
+        TQT_TQOBJECT(this), TQT_SLOT( slotAtmView( int, const TQString& ) ) );
     command->start();
   } else {					// Cancel
     kdDebug(5006) << "Canceled opening attachment" << endl;
@@ -2577,8 +2577,8 @@ KURL KMReaderWin::tempFileUrlFromPartNode( const partNode * node )
   while ( it != end ) {
       TQString path = *it;
       it++;
-      uint right = path.findRev('/');
-      uint left = path.findRev('.', right);
+      uint right = path.tqfindRev('/');
+      uint left = path.tqfindRev('.', right);
 
       bool ok;
       int res = path.mid(left + 1, right - left - 1).toInt(&ok);
@@ -2636,8 +2636,8 @@ static TQString linkForNode( const DOM::Node &node )
         return href.nodeValue().string();
       }
     }
-    if ( !node.tqparentNode().isNull() ) {
-      return linkForNode( node.tqparentNode() );
+    if ( !node.parentNode().isNull() ) {
+      return linkForNode( node.parentNode() );
     } else {
       return TQString();
     }
@@ -2651,14 +2651,14 @@ static TQString linkForNode( const DOM::Node &node )
 bool KMReaderWin::eventFilter( TQObject *, TQEvent *e )
 {
   if ( e->type() == TQEvent::MouseButtonPress ) {
-    TQMouseEvent* me = static_cast<TQMouseEvent*>(e);
-    if ( me->button() == LeftButton && ( me->state() & ShiftButton ) ) {
+    TQMouseEvent* me = TQT_TQMOUSEEVENT(e);
+    if ( me->button() == Qt::LeftButton && ( me->state() & ShiftButton ) ) {
       // special processing for shift+click
       URLHandlerManager::instance()->handleShiftClick( mHoveredUrl, this );
       return true;
     }
 
-    if ( me->button() == LeftButton ) {
+    if ( me->button() == Qt::LeftButton ) {
 
       TQString imagePath;
       const DOM::Node nodeUnderMouse = mViewer->nodeUnderMouse();
@@ -2683,7 +2683,7 @@ bool KMReaderWin::eventFilter( TQObject *, TQEvent *e )
   }
 
   if ( e->type() == TQEvent::MouseMove ) {
-    TQMouseEvent* me = static_cast<TQMouseEvent*>( e );
+    TQMouseEvent* me = TQT_TQMOUSEEVENT( e );
 
     // Handle this ourselves instead of connecting to mViewer::onURL(), since KHTML misses some
     // notifications in case we started a drag ourselves
@@ -2698,8 +2698,8 @@ bool KMReaderWin::eventFilter( TQObject *, TQEvent *e )
           // HACK: Send a mouse release event to the KHTMLView, as otherwise that will be missed in
           //       case we started a drag. If the event is missed, the HTML view gets into a wrong
           //       state, in which funny things like unsolicited drags start to happen.
-          TQMouseEvent mouseEvent( TQEvent::MouseButtonRelease, me->pos(), TQt::NoButton, TQt::NoButton );
-          static_cast<TQObject*>( mViewer->view() )->eventFilter( mViewer->view()->viewport(),
+          TQMouseEvent mouseEvent( TQEvent::MouseButtonRelease, me->pos(), Qt::NoButton, Qt::NoButton );
+          TQT_TQOBJECT( mViewer->view() )->eventFilter( mViewer->view()->viewport(),
                                                                  &mouseEvent );
           return true;
         }
@@ -2751,9 +2751,9 @@ void KMReaderWin::slotDeleteAttachment(partNode * node)
     KMDeleteAttachmentCommand* command = new KMDeleteAttachmentCommand( nodeId, msg, this );
     command->start();
     connect( command, TQT_SIGNAL( completed( KMCommand * ) ),
-             this, TQT_SLOT( updateReaderWin() ) );
+             TQT_TQOBJECT(this), TQT_SLOT( updateReaderWin() ) );
     connect( command, TQT_SIGNAL( completed( KMCommand * ) ),
-             this, TQT_SLOT( disconnectMsgAdded() ) );
+             TQT_TQOBJECT(this), TQT_SLOT( disconnectMsgAdded() ) );
 
     // ### HACK: Since the command will do delete + add, a new message will arrive. However, we don't
     // want the selection to change. Therefore, as soon as a new message arrives, select it, and then
@@ -2762,7 +2762,7 @@ void KMReaderWin::slotDeleteAttachment(partNode * node)
     // And it won't work properly with multiple main windows
     const KMHeaders * const headers = KMKernel::self()->getKMMainWidget()->headers();
     connect( headers, TQT_SIGNAL( msgAddedToListView( TQListViewItem* ) ),
-             this, TQT_SLOT( msgAdded( TQListViewItem* ) ) );
+             TQT_TQOBJECT(this), TQT_SLOT( msgAdded( TQListViewItem* ) ) );
   }
 
   // If we are operating on a copy of parts of the message, make sure to update the copy as well.
@@ -2788,7 +2788,7 @@ void KMReaderWin::disconnectMsgAdded()
 {
   const KMHeaders *const headers = KMKernel::self()->getKMMainWidget()->headers();
   disconnect( headers, TQT_SIGNAL( msgAddedToListView( TQListViewItem* ) ),
-              this, TQT_SLOT( msgAdded( TQListViewItem* ) ) );
+              TQT_TQOBJECT(this), TQT_SLOT( msgAdded( TQListViewItem* ) ) );
 }
 
 void KMReaderWin::slotEditAttachment(partNode * node)
@@ -2828,12 +2828,12 @@ void KMReaderWin::scrollToAttachment( const partNode *node )
   DOM::Document doc = mViewer->htmlDocument();
 
   // The anchors for this are created in ObjectTreeParser::parseObjectTree()
-  mViewer->gotoAnchor( TQString::tqfromLatin1( "att%1" ).arg( node->nodeId() ) );
+  mViewer->gotoAnchor( TQString::tqfromLatin1( "att%1" ).tqarg( node->nodeId() ) );
 
   // Remove any old color markings which might be there
   const partNode *root = node->topLevelParent();
   for ( int i = 0; i <= root->totalChildCount() + 1; i++ ) {
-    DOM::Element attachmentDiv = doc.getElementById( TQString( "attachmentDiv%1" ).arg( i + 1 ) );
+    DOM::Element attachmentDiv = doc.getElementById( TQString( "attachmentDiv%1" ).tqarg( i + 1 ) );
     if ( !attachmentDiv.isNull() )
       attachmentDiv.removeAttribute( "style" );
   }
@@ -2845,14 +2845,14 @@ void KMReaderWin::scrollToAttachment( const partNode *node )
   // Now, color the div of the attachment in yellow, so that the user sees what happened.
   // We created a special marked div for this in writeAttachmentMarkHeader() in ObjectTreeParser,
   // find and modify that now.
-  DOM::Element attachmentDiv = doc.getElementById( TQString( "attachmentDiv%1" ).arg( node->nodeId() ) );
+  DOM::Element attachmentDiv = doc.getElementById( TQString( "attachmentDiv%1" ).tqarg( node->nodeId() ) );
   if ( attachmentDiv.isNull() ) {
     kdWarning( 5006 ) << "Could not find attachment div for attachment " << node->nodeId() << endl;
     return;
   }
 
   attachmentDiv.setAttribute( "style", TQString( "border:2px solid %1" )
-      .arg( cssHelper()->pgpWarnColor().name() ) );
+      .tqarg( cssHelper()->pgpWarnColor().name() ) );
 
   // Update rendering, otherwise the rendering is not updated when the user clicks on an attachment
   // that causes scrolling and the open attachment dialog
@@ -2880,7 +2880,7 @@ void KMReaderWin::injectAttachments()
     imgSrc.append( "attachmentQuicklistOpened.png" );
   }
 
-  TQString html = renderAttachments( mRootNode, TQApplication::palette().active().background() );
+  TQString html = renderAttachments( mRootNode, TQApplication::tqpalette().active().background() );
   if ( html.isEmpty() )
     return;
 
@@ -2931,8 +2931,8 @@ TQString KMReaderWin::renderAttachments(partNode * node, const TQColor &bgColor
         align = "right";
       if ( node->msgPart().typeStr().lower() == "message" || node == mRootNode )
         html += TQString::tqfromLatin1("<div style=\"background:%1; %2"
-                "vertical-align:middle; float:%3; %4\">").arg( bgColor.name() ).arg( margin )
-                                                         .arg( align ).arg( visibility );
+                "vertical-align:middle; float:%3; %4\">").tqarg( bgColor.name() ).tqarg( margin )
+                                                         .tqarg( align ).tqarg( visibility );
       html += subHtml;
       if ( node->msgPart().typeStr().lower() == "message" || node == mRootNode )
         html += "</div>";
@@ -2941,7 +2941,7 @@ TQString KMReaderWin::renderAttachments(partNode * node, const TQColor &bgColor
     partNode::AttachmentDisplayInfo info = node->attachmentDisplayInfo();
     if ( info.displayInHeader ) {
       html += "<div style=\"float:left;\">";
-      html += TQString::tqfromLatin1( "<span style=\"white-space:nowrap; border-width: 0px; border-left-width: 5px; border-color: %1; 2px; border-left-style: solid;\">" ).arg( bgColor.name() );
+      html += TQString::tqfromLatin1( "<span style=\"white-space:nowrap; border-width: 0px; border-left-width: 5px; border-color: %1; 2px; border-left-style: solid;\">" ).tqarg( bgColor.name() );
       TQString fileName = writeMessagePartToTempFile( &node->msgPart(), node->nodeId() );
       TQString href = node->asHREF( "header" );
       html += TQString::tqfromLatin1( "<a href=\"" ) + href +
@@ -3000,7 +3000,7 @@ void KMReaderWin::setBodyPartMemento( const partNode * node, const TQCString & w
 BodyPartMemento * KMReaderWin::bodyPartMemento( const partNode * node, const TQCString & which ) const
 {
   const TQCString index = node->path() + ':' + which.lower();
-  const std::map<TQCString,BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.tqfind( index );
+  const std::map<TQCString,BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.find( index );
   if ( it == mBodyPartMementoMap.end() ) {
     return 0;
   }
diff --git a/kmail/kmsearchpatternedit.cpp b/kmail/kmsearchpatternedit.cpp
index 84005f2b..55df4d5e 100644
--- a/kmail/kmsearchpatternedit.cpp
+++ b/kmail/kmsearchpatternedit.cpp
@@ -86,7 +86,7 @@ void KMSearchRuleWidget::setHeadersOnly( bool headersOnly )
 
   if (( currentText != "<message>") &&
       ( currentText != "<body>"))
-    mRuleField->changeItem( TQString::fromAscii( currentText ), 0 );
+    mRuleField->changeItem( TQString(TQString::fromAscii( currentText )), 0 );
   else
     mRuleField->changeItem( TQString(), 0 );
 }
@@ -117,7 +117,7 @@ void KMSearchRuleWidget::initWidget()
 
   RuleWidgetHandlerManager::instance()->createWidgets( mFunctionStack,
                                                        mValueStack,
-                                                       this );
+                                                       TQT_TQOBJECT(this) );
 
   // redirect focus to the header field combo box
   setFocusProxy( mRuleField );
@@ -392,14 +392,14 @@ void KMSearchRuleWidgetLister::regenerateRuleListFromWidgets()
 //=============================================================================
 
 KMSearchPatternEdit::KMSearchPatternEdit(TQWidget *tqparent, const char *name, bool headersOnly, bool absoluteDates )
-  : TQGroupBox( 1/*columns*/, Horizontal, tqparent, name )
+  : TQGroupBox( 1/*columns*/, Qt::Horizontal, tqparent, name )
 {
   setTitle( i18n("Search Criteria") );
   initLayout( headersOnly, absoluteDates );
 }
 
 KMSearchPatternEdit::KMSearchPatternEdit(const TQString & title, TQWidget *tqparent, const char *name, bool headersOnly, bool absoluteDates)
-  : TQGroupBox( 1/*column*/, Horizontal, title, tqparent, name )
+  : TQGroupBox( 1/*column*/, Qt::Horizontal, title, tqparent, name )
 {
   initLayout( headersOnly, absoluteDates );
 }
diff --git a/kmail/kmsender.cpp b/kmail/kmsender.cpp
index 1d267d88..add46564 100644
--- a/kmail/kmsender.cpp
+++ b/kmail/kmsender.cpp
@@ -387,7 +387,7 @@ void KMSender::doSendMsg()
           "\"outbox\" to the \"sent-mail\" folder failed.\n"
           "Possible reasons are lack of disk space or write permission. "
           "Please try to fix the problem and move the message manually.")
-          .arg(mCurrentMsg->subject()));
+          .tqarg(mCurrentMsg->subject()));
         cleanup();
         return;
       }
@@ -435,7 +435,7 @@ void KMSender::doSendMsg()
                                    "identity '%1' in the Identities "
                                    "section of the configuration dialog "
                                    "and then try again." )
-                             .arg( id.identityName() ) );
+                             .tqarg( id.identityName() ) );
       mOutboxFolder->unGetMsg( mFailedMessages );
       mCurrentMsg = 0;
     }
@@ -455,7 +455,7 @@ void KMSender::doSendMsg()
                           mSentMessages));
       } else {
         seStatusMsg(i18n("%1 of %2 queued messages successfully sent.")
-            .arg(mSentMessages).arg( mTotalMessages ));
+            .tqarg(mSentMessages).tqarg( mTotalMessages ));
       }
     }
     cleanup();
@@ -536,7 +536,7 @@ void KMSender::doSendMsg()
 }
 
 bool KMSender::runPrecommand( const TQString & cmd ) {
-  seStatusMsg( i18n("Executing precommand %1").arg( cmd ) );
+  seStatusMsg( i18n("Executing precommand %1").tqarg( cmd ) );
   mPrecommand = new KMPrecommand( cmd );
   connect( mPrecommand, TQT_SIGNAL(finished(bool)),
            TQT_SLOT(slotPrecommandFinished(bool)) );
@@ -596,8 +596,8 @@ void KMSender::doSendMsgAux()
   // start sending the current message
 
   seStatusMsg(i18n("%3: subject of message","Sending message %1 of %2: %3")
-	       .arg(mSentMessages+mFailedMessages+1).arg(mTotalMessages)
-	       .arg(mCurrentMsg->subject()));
+	       .tqarg(mSentMessages+mFailedMessages+1).tqarg(mTotalMessages)
+	       .tqarg(mCurrentMsg->subject()));
   TQStringList to, cc, bcc;
   TQString sender;
   extractSenderToCCAndBcc( mCurrentMsg, &sender, &to, &cc, &bcc );
@@ -696,8 +696,8 @@ void KMSender::slotIdle()
         "fix the problem (e.g. a broken address) or remove the message "
         "from the 'outbox' folder.\n"
         "The following transport protocol was used:\n  %2")
-      .arg(errString)
-      .arg(mMethodStr);
+      .tqarg(errString)
+      .tqarg(mMethodStr);
     if (!errString.isEmpty()) KMessageBox::error(0,msg);
     seStatusMsg( i18n( "Sending aborted." ) );
   } else {
@@ -724,8 +724,8 @@ void KMSender::slotIdle()
             "from the 'outbox' folder.</p>"
             "<p>The following transport protocol was used:  %2</p>"
             "<p>Do you want me to continue sending the remaining messages?</p>")
-            .arg(errString)
-            .arg(mMethodStr);
+            .tqarg(errString)
+            .tqarg(mMethodStr);
           res = KMessageBox::warningYesNo( 0 , msg ,
                   i18n( "Continue Sending" ), i18n( "&Continue Sending" ),
                   i18n("&Abort Sending") );
@@ -735,8 +735,8 @@ void KMSender::slotIdle()
             "fix the problem (e.g. a broken address) or remove the message "
             "from the 'outbox' folder.\n"
             "The following transport protocol was used:\n %2")
-            .arg(errString)
-            .arg(mMethodStr);
+            .tqarg(errString)
+            .tqarg(mMethodStr);
           KMessageBox::error(0,msg);
         }
         if (res == KMessageBox::Yes) {
@@ -934,8 +934,8 @@ bool KMSendSendmail::doStart() {
                              "Please remove it from there if you do not want the message to "
                              "be resent.\n"
                              "The following transport protocol was used:\n  %2")
-                        .arg(str + "\n")
-                        .arg("sendmail://");
+                        .tqarg(str + "\n")
+                        .tqarg("sendmail://");
     KMessageBox::information(0,msg);
     return false;
   }
@@ -978,7 +978,7 @@ bool KMSendSendmail::doSend( const TQString & sender, const TQStringList & to, c
 
   if ( !mMailerProc->start( KProcess::NotifyOnExit, KProcess::All ) ) {
     KMessageBox::information( 0, i18n("Failed to execute mailer program %1")
-                              .arg( mSender->transportInfo()->host ) );
+                              .tqarg( mSender->transportInfo()->host ) );
     return false;
   }
   mMsgPos  = mMsgStr.data();
diff --git a/kmail/kmservertest.cpp b/kmail/kmservertest.cpp
index b99e1cc9..67dc0f2d 100644
--- a/kmail/kmservertest.cpp
+++ b/kmail/kmservertest.cpp
@@ -166,7 +166,7 @@ void KMServerTest::slotSlaveResult(KIO::Slave *aSlave, int error,
   if ( error )
   {
     mJob = 0;
-    KMessageBox::error( kapp->activeWindow(),
+    KMessageBox::error( TQT_TQWIDGET(kapp->activeWindow()),
         KIO::buildErrorString( error, errorText ),
         i18n("Error") );
     emit capabilities( mListNormal, mListSSL );
diff --git a/kmail/kmstartup.cpp b/kmail/kmstartup.cpp
index 943a3a2d..fd3d7bd7 100644
--- a/kmail/kmstartup.cpp
+++ b/kmail/kmstartup.cpp
@@ -165,7 +165,7 @@ void lockOrDie() {
           // On linux with /proc we can even check that it's really kmail and not something else
           char path_buffer[MAXPATHLEN + 1];
           path_buffer[MAXPATHLEN] = 0;
-          const TQString procPath = TQString("/proc/%1/exe").arg(oldPid);
+          const TQString procPath = TQString("/proc/%1/exe").tqarg(oldPid);
           const int length = readlink (procPath.latin1(), path_buffer, MAXPATHLEN);
           if ( length == -1 ) // not such pid
               first_instance = true;
@@ -173,7 +173,7 @@ void lockOrDie() {
               path_buffer[length] = '\0';
               const TQString path = TQFile::decodeName(path_buffer);
               kdDebug() << k_funcinfo << path << endl;
-              const int pos = path.findRev('/');
+              const int pos = path.tqfindRev('/');
               const TQString fileName = path.mid(pos+1);
               kdDebug() << "Found process " << oldPid << " running. It's: " << fileName << endl;
               first_instance = fileName != "kmail" && fileName != "kontact";
@@ -199,17 +199,17 @@ void lockOrDie() {
                    "this machine. Running %2 more than once "
                    "can cause the loss of mail. You should not start %1 "
                    "unless you are sure that it is not already running.")
-              .arg( programName, programName );
+              .tqarg( programName, programName );
               // TQString::arg( st ) only replaces the first occurrence of %1
               // with st while TQString::arg( s1, s2 ) replacess all occurrences
               // of %1 with s1 and all occurrences of %2 with s2. So don't
-              // even think about changing the above to .arg( programName ).
+              // even think about changing the above to .tqarg( programName ).
       else
         msg = i18n("%1 seems to be running on another display on this "
                    "machine. Running %1 and %2 at the same "
                    "time can cause the loss of mail. You should not start %2 "
                    "unless you are sure that %1 is not running.")
-              .arg( oldProgramName, programName );
+              .tqarg( oldProgramName, programName );
     }
     else {
       if ( oldAppName == appName )
@@ -217,19 +217,19 @@ void lockOrDie() {
                    "than once can cause the loss of mail. You should not "
                    "start %1 on this computer unless you are sure that it is "
                    "not already running on %2.")
-              .arg( programName, oldHostName );
+              .tqarg( programName, oldHostName );
       else
         msg = i18n("%1 seems to be running on %3. Running %1 and %2 at the "
                    "same time can cause the loss of mail. You should not "
                    "start %2 on this computer unless you are sure that %1 is "
                    "not running on %3.")
-              .arg( oldProgramName, programName, oldHostName );
+              .tqarg( oldProgramName, programName, oldHostName );
     }
 
     KCursorSaver idle( KBusyPtr::idle() );
     if ( KMessageBox::No ==
          KMessageBox::warningYesNo( 0, msg, TQString(),
-                                    i18n("Start %1").arg( programName ),
+                                    i18n("Start %1").tqarg( programName ),
                                     i18n("Exit") ) ) {
       exit(1);
     }
diff --git a/kmail/kmsystemtray.cpp b/kmail/kmsystemtray.cpp
index 3a5840a8..a066fc86 100644
--- a/kmail/kmsystemtray.cpp
+++ b/kmail/kmsystemtray.cpp
@@ -133,7 +133,7 @@ void KMSystemTray::buildPopupMenu()
     action->plug( mPopupMenu );
   mPopupMenu->insertSeparator();
 
-  KMainWindow *mainWin = ::qt_cast<KMainWindow*>(kmkernel->getKMMainWidget()->tqtopLevelWidget());
+  KMainWindow *mainWin = ::tqqt_cast<KMainWindow*>(kmkernel->getKMMainWidget()->tqtopLevelWidget());
   mPopupMenu->insertItem( SmallIcon("exit"), i18n("&Quit"), this, TQT_SLOT(maybeQuit()) );
 }
 
@@ -305,7 +305,7 @@ void KMSystemTray::foldersChanged()
 void KMSystemTray::mousePressEvent(TQMouseEvent *e)
 {
   // switch to kmail on left mouse button
-  if( e->button() == LeftButton )
+  if( e->button() == Qt::LeftButton )
   {
     if( mParentVisible && mainWindowIsOnCurrentDesktop() )
       hideKMail();
@@ -314,7 +314,7 @@ void KMSystemTray::mousePressEvent(TQMouseEvent *e)
   }
 
   // open popup menu on right mouse button
-  if( e->button() == RightButton )
+  if( e->button() == Qt::RightButton )
   {
     mPopupFolders.clear();
     mPopupFolders.reserve( mFoldersWithUnread.count() );
diff --git a/kmail/kmtransport.cpp b/kmail/kmtransport.cpp
index 335025b7..46ed0efc 100644
--- a/kmail/kmtransport.cpp
+++ b/kmail/kmtransport.cpp
@@ -145,7 +145,7 @@ void KMTransportInfo::writeConfig(int id)
               "but should not be considered secure from decryption efforts "
               "if access to the configuration file is obtained.\n"
               "Do you want to store the password for account '%1' in the "
-              "configuration file?").arg( name ),
+              "configuration file?").tqarg( name ),
          i18n("KWallet Not Available"),
          KGuiItem( i18n("Store Password") ),
          KGuiItem( i18n("Do Not Store Password") ) )
@@ -401,7 +401,7 @@ void KMTransportDialog::makeSmtpPage()
   label = new TQLabel( i18n("&Port:"), page1 );
   grid->addWidget( label, 4, 0 );
   mSmtp.portEdit = new KLineEdit( page1 );
-  mSmtp.portEdit->setValidator( new TQIntValidator(this) );
+  mSmtp.portEdit->setValidator( new TQIntValidator(TQT_TQOBJECT(this)) );
   TQWhatsThis::add(mSmtp.portEdit,
                   i18n("The port number that the SMTP server "
                        "is listening on. The default port is 25."));
@@ -498,7 +498,7 @@ void KMTransportDialog::makeSmtpPage()
   TQWidget *page2 = new TQWidget( tabWidget );
   tabWidget->addTab( page2, i18n("S&ecurity") );
   TQVBoxLayout *vlay = new TQVBoxLayout( page2, spacingHint() );
-  mSmtp.encryptionGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mSmtp.encryptionGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Encryption"), page2 );
   mSmtp.encryptionNone =
     new TQRadioButton( i18n("&None"), mSmtp.encryptionGroup );
@@ -510,7 +510,7 @@ void KMTransportDialog::makeSmtpPage()
     TQT_SLOT(slotSmtpEncryptionChanged(int)));
   vlay->addWidget( mSmtp.encryptionGroup );
 
-  mSmtp.authGroup = new TQButtonGroup( 1, TQt::Horizontal,
+  mSmtp.authGroup = new TQButtonGroup( 1, Qt::Horizontal,
     i18n("Authentication Method"), page2 );
   mSmtp.authLogin = new TQRadioButton( i18n("Please translate this "
     "authentication method only if you have a good reason", "&LOGIN"),
@@ -756,7 +756,7 @@ void KMTransportDialog::slotSmtpCapabilities( const TQStringList & capaNormal,
 	    << authNone << ", " << authSSL << ", " << authTLS << " )" << endl;
   mSmtp.encryptionNone->setEnabled( !capaNormal.isEmpty() );
   mSmtp.encryptionSSL->setEnabled( !capaSSL.isEmpty() );
-  mSmtp.encryptionTLS->setEnabled( capaNormal.findIndex("STARTTLS") != -1 );
+  mSmtp.encryptionTLS->setEnabled( capaNormal.tqfindIndex("STARTTLS") != -1 );
   if ( authNone.isEmpty() && authSSL.isEmpty() && authTLS.isEmpty() ) {
     // slave doesn't seem to support "* AUTH METHODS" metadata (or server can't do AUTH)
     mAuthNone = authMethodsFromStringList( capaNormal );
diff --git a/kmail/listjob.cpp b/kmail/listjob.cpp
index 3c1e1304..e126f3e5 100644
--- a/kmail/listjob.cpp
+++ b/kmail/listjob.cpp
@@ -174,7 +174,7 @@ void ListJob::slotListResult( KIO::Job* job )
   if ( job->error() )
   {
     mAccount->handleJobError( job,
-        i18n( "Error while listing folder %1: " ).arg((*it).path),
+        i18n( "Error while listing folder %1: " ).tqarg((*it).path),
         true );
   } else
   {
@@ -230,7 +230,7 @@ void ListJob::slotListEntries( KIO::Job* job, const KIO::UDSEntryList& uds )
       // Some servers send _lots_ of duplicates
       // This check is too slow for huge lists
       if ( mSubfolderPaths.count() > 100 ||
-           mSubfolderPaths.findIndex(url.path()) == -1 )
+           mSubfolderPaths.tqfindIndex(url.path()) == -1 )
       {
         mSubfolderNames.append( name );
         mSubfolderPaths.append( url.path() );
diff --git a/kmail/mailinglistpropertiesdialog.cpp b/kmail/mailinglistpropertiesdialog.cpp
index d05d6413..2fb6203d 100644
--- a/kmail/mailinglistpropertiesdialog.cpp
+++ b/kmail/mailinglistpropertiesdialog.cpp
@@ -59,13 +59,13 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
                                             "topLayout" );
 
   TQGroupBox *mlGroup = new TQGroupBox( i18n("Associated Mailing List" ), this );
-  mlGroup->setColumnLayout( 0,  TQt::Vertical );
+  mlGroup->setColumnLayout( 0,  Qt::Vertical );
   TQGridLayout *groupLayout = new TQGridLayout( mlGroup->tqlayout(), 6, 3, spacingHint() );
   topLayout->addWidget( mlGroup );
   setMainWidget( mlGroup );
 
   mHoldsMailingList = new TQCheckBox( i18n("&Folder holds a mailing list"), mlGroup );
-  TQObject::connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
+  connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
                     TQT_SLOT(slotHoldsML(bool)) );
   groupLayout->addMultiCellWidget( mHoldsMailingList, 0, 0, 0, 2 );
 
@@ -73,14 +73,14 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
 
   mDetectButton = new TQPushButton( i18n("Detect Automatically"), mlGroup );
   mDetectButton->setEnabled( false );
-  TQObject::connect( mDetectButton, TQT_SIGNAL(pressed()), TQT_SLOT(slotDetectMailingList()) );
+  connect( mDetectButton, TQT_SIGNAL(pressed()), TQT_SLOT(slotDetectMailingList()) );
   groupLayout->addWidget( mDetectButton, 2, 1 );
 
   groupLayout->addItem( new TQSpacerItem( 0, 10 ), 3, 0 );
 
   label = new TQLabel( i18n("Mailing list description:"), mlGroup );
   label->setEnabled( false );
-  TQObject::connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
+  connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
 		    label, TQT_SLOT(setEnabled(bool)) );
   groupLayout->addWidget( label, 4, 0 );
   mMLId = new TQLabel( label, "", mlGroup );
@@ -90,7 +90,7 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
   //FIXME: add TQWhatsThis
   label = new TQLabel( i18n("Preferred handler:"), mlGroup );
   label->setEnabled(false);
-  TQObject::connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
+  connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
 		    label, TQT_SLOT(setEnabled(bool)) );
   groupLayout->addWidget( label, 5, 0 );
   mMLHandlerCombo = new TQComboBox( mlGroup );
@@ -98,13 +98,13 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
   mMLHandlerCombo->insertItem( i18n("Browser"), MailingList::Browser );
   mMLHandlerCombo->setEnabled( false );
   groupLayout->addMultiCellWidget( mMLHandlerCombo, 5, 5, 1, 2 );
-  TQObject::connect( mMLHandlerCombo, TQT_SIGNAL(activated(int)),
+  connect( mMLHandlerCombo, TQT_SIGNAL(activated(int)),
                     TQT_SLOT(slotMLHandling(int)) );
   label->setBuddy( mMLHandlerCombo );
 
   label = new TQLabel( i18n("&Address type:"), mlGroup );
   label->setEnabled(false);
-  TQObject::connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
+  connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
 		    label, TQT_SLOT(setEnabled(bool)) );
   groupLayout->addWidget( label, 6, 0 );
   mAddressCombo = new TQComboBox( mlGroup );
@@ -119,9 +119,9 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
   handleButton->setEnabled( false );
   if( mFolder)
   {
-  	TQObject::connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
+  	connect( mHoldsMailingList, TQT_SIGNAL(toggled(bool)),
 			    handleButton, TQT_SLOT(setEnabled(bool)) );
-  	TQObject::connect( handleButton, TQT_SIGNAL(clicked()),
+  	connect( handleButton, TQT_SIGNAL(clicked()),
                     TQT_SLOT(slotInvokeHandler()) );
   }
   groupLayout->addWidget( handleButton, 6, 2 );
@@ -140,7 +140,7 @@ MailingListFolderPropertiesDialog::MailingListFolderPropertiesDialog( TQWidget*
      << i18n( "List Archives" )
      << i18n( "List Help" );
   mAddressCombo->insertStringList( el );
-  TQObject::connect( mAddressCombo, TQT_SIGNAL(activated(int)),
+  connect( mAddressCombo, TQT_SIGNAL(activated(int)),
                     TQT_SLOT(slotAddressChanged(int)) );
 
   load();
diff --git a/kmail/mailserviceimpl.h b/kmail/mailserviceimpl.h
index 0fbb415a..9e25a427 100644
--- a/kmail/mailserviceimpl.h
+++ b/kmail/mailserviceimpl.h
@@ -30,13 +30,12 @@
 #ifndef MAILSERVICEIMPL_H
 #define MAILSERVICEIMPL_H
 
+#include <tqcstring.h>
+
 #include "interfaces/MailTransportServiceIface.h"
 
 class TQString;
 class KURL;
-template <typename T> class TQMemArray;
-typedef TQMemArray<char> TQByteArray;
-
 
 namespace KMail {
 
diff --git a/kmail/managesievescriptsdialog.cpp b/kmail/managesievescriptsdialog.cpp
index b3018fea..e306c777 100644
--- a/kmail/managesievescriptsdialog.cpp
+++ b/kmail/managesievescriptsdialog.cpp
@@ -253,7 +253,7 @@ void KMail::ManageSieveScriptsDialog::slotDeleteScript() {
 
   u.setFileName( mContextMenuItem->text( 0 ) );
 
-  if ( KMessageBox::warningContinueCancel( this, i18n( "Really delete script \"%1\" from the server?" ).arg( u.fileName() ),
+  if ( KMessageBox::warningContinueCancel( this, i18n( "Really delete script \"%1\" from the server?" ).tqarg( u.fileName() ),
                                    i18n( "Delete Sieve Script Confirmation" ),
                                    KStdGuiItem::del() )
        != KMessageBox::Continue )
diff --git a/kmail/messagecomposer.cpp b/kmail/messagecomposer.cpp
index 897b03e6..c7c4af6e 100644
--- a/kmail/messagecomposer.cpp
+++ b/kmail/messagecomposer.cpp
@@ -599,7 +599,7 @@ void MessageComposer::chiasmusEncryptAllAttachments() {
   for ( TQValueVector<Attachment>::iterator it = mAttachments.begin(), end = mAttachments.end() ; it != end ; ++it ) {
     KMMessagePart * part = it->part;
     const TQString filename = part->fileName();
-    if ( filename.endsWith( ".xia", false ) )
+    if ( filename.tqendsWith( ".xia", false ) )
       continue; // already encrypted
     const TQByteArray body = part->bodyDecodedBinary();
     TQByteArray resultData;
@@ -1855,7 +1855,7 @@ void MessageComposer::addBodyAndAttachments( KMMessage* msg,
       (void)msg->asDwMessage(); // Assemble the message. One gets a completely empty message otherwise :/
     }
   } else { // no attachments in the final message
-    if( ourFineBodyPart.originalContentTypeStr() ) {
+    if( !ourFineBodyPart.originalContentTypeStr().isNull() ) {
       msg->headers().ContentType().FromString( ourFineBodyPart.originalContentTypeStr() );
       msg->headers().ContentType().Parse();
       kdDebug(5006) << "MessageComposer::addBodyAndAttachments() : set top level Content-Type from originalContentTypeStr()=" << ourFineBodyPart.originalContentTypeStr() << endl;
@@ -1952,7 +1952,7 @@ bool MessageComposer::processStructuringInfo( const TQString bugURL,
     //kdDebug(5006) << "processStructuringInfo: mainHeader=" << mainHeader << endl;
 
     DwString mainDwStr;
-    mainDwStr = mainHeader + "\n\n";
+    mainDwStr = TQString(mainHeader + "\n\n");
     DwBodyPart mainDwPa( mainDwStr, 0 );
     mainDwPa.Parse();
     KMMessage::bodyPart( &mainDwPa, &resultingPart );
@@ -2038,7 +2038,7 @@ bool MessageComposer::processStructuringInfo( const TQString bugURL,
                           i18n( "<qt><p>Error: The backend did not return "
                                 "any encoded data.</p>"
                                 "<p>Please report this bug:<br>%2</p></qt>" )
-                          .arg( bugURL ) );
+                          .tqarg( bugURL ) );
       bOk = false;
     }
     resultingPart.setBodyEncodedBinary( resultingBody );
diff --git a/kmail/networkaccount.cpp b/kmail/networkaccount.cpp
index b0d56a50..b400b52a 100644
--- a/kmail/networkaccount.cpp
+++ b/kmail/networkaccount.cpp
@@ -224,7 +224,7 @@ namespace KMail {
                 "but should not be considered secure from decryption efforts "
                 "if access to the configuration file is obtained.\n"
                 "Do you want to store the password for account '%1' in the "
-                "configuration file?").arg( name() ),
+                "configuration file?").tqarg( name() ),
            i18n("KWallet Not Available"),
            KGuiItem( i18n("Store Password") ),
            KGuiItem( i18n("Do Not Store Password") ) )
diff --git a/kmail/newfolderdialog.cpp b/kmail/newfolderdialog.cpp
index 6d1de7cd..d1e7de22 100644
--- a/kmail/newfolderdialog.cpp
+++ b/kmail/newfolderdialog.cpp
@@ -66,7 +66,7 @@ NewFolderDialog::NewFolderDialog( TQWidget* tqparent, KMFolder *folder )
 {
   setWFlags( getWFlags() | WDestructiveClose );
   if ( mFolder ) {
-    setCaption( i18n("New Subfolder of %1").arg( mFolder->prettyURL() ) );
+    setCaption( i18n("New Subfolder of %1").tqarg( mFolder->prettyURL() ) );
   }
   TQWidget* privateLayoutWidget = new TQWidget( this, "mTopLevelLayout" );
   privateLayoutWidget->setGeometry( TQRect( 10, 10, 260, 80 ) );
@@ -213,14 +213,14 @@ void NewFolderDialog::slotOk()
           && ( selectedFolderDir == mFolder->tqparent() )
           && ( mFolder->storage()->name() == fldName ) ) ) )
   {
-    const TQString message = i18n( "<qt>Failed to create folder <b>%1</b>, folder already exists.</qt>" ).arg(fldName);
+    const TQString message = i18n( "<qt>Failed to create folder <b>%1</b>, folder already exists.</qt>" ).tqarg(fldName);
     KMessageBox::error( this, message );
     return;
   }
 
   /* Ok, obvious errors caught, let's try creating it for real. */
   const TQString message = i18n( "<qt>Failed to create folder <b>%1</b>."
-            "</qt> " ).arg(fldName);
+            "</qt> " ).tqarg(fldName);
 
   TQString namespaceName;
   if ( mNamespacesComboBox ) {
diff --git a/kmail/objecttreeparser.cpp b/kmail/objecttreeparser.cpp
index 80c182d9..2cb44ab9 100644
--- a/kmail/objecttreeparser.cpp
+++ b/kmail/objecttreeparser.cpp
@@ -272,7 +272,7 @@ namespace KMail {
       ProcessResult processResult;
 
       if ( mReader ) {
-        htmlWriter()->queue( TQString::tqfromLatin1("<a name=\"att%1\"/>").arg( node->nodeId() ) );
+        htmlWriter()->queue( TQString::tqfromLatin1("<a name=\"att%1\"/>").tqarg( node->nodeId() ) );
       }
 
       if ( const Interface::BodyPartFormatter * formatter
@@ -686,11 +686,11 @@ namespace KMail {
           switch ( cryptPlugError ) {
           case NOT_INITIALIZED:
             errorMsg = i18n( "Crypto plug-in \"%1\" is not initialized." )
-                       .arg( cryptPlugLibName );
+                       .tqarg( cryptPlugLibName );
             break;
           case CANT_VERIFY_SIGNATURES:
             errorMsg = i18n( "Crypto plug-in \"%1\" cannot verify signatures." )
-                       .arg( cryptPlugLibName );
+                       .tqarg( cryptPlugLibName );
             break;
           case NO_PLUGIN:
             if ( cryptPlugDisplayName.isEmpty() )
@@ -698,14 +698,14 @@ namespace KMail {
             else
               errorMsg = i18n( "%1 is either 'OpenPGP' or 'S/MIME'",
                                "No %1 plug-in was found." )
-                           .arg( cryptPlugDisplayName );
+                           .tqarg( cryptPlugDisplayName );
             break;
           }
           messagePart.errorText = i18n( "The message is signed, but the "
                                         "validity of the signature cannot be "
                                         "verified.<br />"
                                         "Reason: %1" )
-                                  .arg( errorMsg );
+                                  .tqarg( errorMsg );
         }
 
         if ( mReader )
@@ -887,9 +887,9 @@ bool ObjectTreeParser::okDecryptMIME( partNode& data,
                       + "</div>";
         if ( !passphraseError )
           aErrorText = i18n("Crypto plug-in \"%1\" could not decrypt the data.")
-                        .arg( cryptPlugLibName )
+                        .tqarg( cryptPlugLibName )
                     + "<br />"
-                    + i18n("Error: %1").arg( aErrorText );
+                    + i18n("Error: %1").tqarg( aErrorText );
       }
     }
   }
@@ -901,11 +901,11 @@ bool ObjectTreeParser::okDecryptMIME( partNode& data,
     switch ( cryptPlugError ) {
     case NOT_INITIALIZED:
       aErrorText = i18n( "Crypto plug-in \"%1\" is not initialized." )
-                     .arg( cryptPlugLibName );
+                     .tqarg( cryptPlugLibName );
       break;
     case CANT_DECRYPT:
       aErrorText = i18n( "Crypto plug-in \"%1\" cannot decrypt messages." )
-                     .arg( cryptPlugLibName );
+                     .tqarg( cryptPlugLibName );
       break;
     case NO_PLUGIN:
       aErrorText = i18n( "No appropriate crypto plug-in was found." );
@@ -944,7 +944,7 @@ bool ObjectTreeParser::okDecryptMIME( partNode& data,
     while ( httpPos >= 0 ) {
       // look backwards for "href"
       if ( httpPos > 5 ) {
-        int hrefPos = str.findRev( "href", httpPos - 5, true );
+        int hrefPos = str.tqfindRev( "href", httpPos - 5, true );
         // if no 'href' is found or the distance between 'href' and '"http[s]:'
         // is larger than 7 (7 is the distance in 'href = "http[s]:') then
         // we assume that we have found an external reference
@@ -979,12 +979,12 @@ bool ObjectTreeParser::okDecryptMIME( partNode& data,
         // We must fo this, or else we will see only 1st inlined html
         // attachment.  It is IMHO enough to search only for </BODY> and
         // put \0 there.
-        int i = cstr.findRev("</body>", -1, false); //case insensitive
+        int i = cstr.tqfindRev("</body>", -1, false); //case insensitive
         if ( 0 <= i )
           cstr.truncate(i);
         else // just in case - search for </html>
         {
-          i = cstr.findRev("</html>", -1, false); //case insensitive
+          i = cstr.tqfindRev("</html>", -1, false); //case insensitive
           if ( 0 <= i ) cstr.truncate(i);
         }
         // ---Sven's strip </BODY> and </HTML> from end of attachment end-
@@ -1047,21 +1047,21 @@ namespace KMail {
     const TQCString delimZ2("--__--__--\n\n_____________");
     const TQCString delimZ1("--__--__--\r\n\r\n_____________");
     TQCString partStr, digestHeaderStr;
-    int thisDelim = cstr.tqfind(delim1, 0, false);
+    int thisDelim = cstr.tqfind(TQString(delim1), 0, false);
     if ( thisDelim == -1 )
-      thisDelim = cstr.tqfind(delim2, 0, false);
+      thisDelim = cstr.tqfind(TQString(delim2), 0, false);
     if ( thisDelim == -1 ) {
       kdDebug(5006) << "        Sorry: Old style Mailman message but no delimiter found." << endl;
       return false;
     }
 
-    int nextDelim = cstr.tqfind(delim1, thisDelim+1, false);
+    int nextDelim = cstr.tqfind(TQString(delim1), thisDelim+1, false);
     if ( -1 == nextDelim )
-      nextDelim = cstr.tqfind(delim2, thisDelim+1, false);
+      nextDelim = cstr.tqfind(TQString(delim2), thisDelim+1, false);
     if ( -1 == nextDelim )
-      nextDelim = cstr.tqfind(delimZ1, thisDelim+1, false);
+      nextDelim = cstr.tqfind(TQString(delimZ1), thisDelim+1, false);
     if ( -1 == nextDelim )
-      nextDelim = cstr.tqfind(delimZ2, thisDelim+1, false);
+      nextDelim = cstr.tqfind(TQString(delimZ2), thisDelim+1, false);
     if ( nextDelim < 0)
       return false;
 
@@ -1101,7 +1101,7 @@ namespace KMail {
       partStr += cstr.mid( thisDelim, nextDelim-thisDelim );
       TQCString subject("embedded message");
       TQCString subSearch("\nSubject:");
-      int subPos = partStr.tqfind(subSearch, 0, false);
+      int subPos = partStr.tqfind(TQString(subSearch), 0, false);
       if ( -1 < subPos ){
         subject = partStr.mid(subPos+subSearch.length());
         thisEoL = subject.tqfind('\n');
@@ -1114,13 +1114,13 @@ namespace KMail {
                                   subject, true );
       //mReader->queueHtml("<br><hr><br>");
       thisDelim = nextDelim+1;
-      nextDelim = cstr.tqfind(delim1, thisDelim, false);
+      nextDelim = cstr.tqfind(TQString(delim1), thisDelim, false);
       if ( -1 == nextDelim )
-        nextDelim = cstr.tqfind(delim2, thisDelim, false);
+        nextDelim = cstr.tqfind(TQString(delim2), thisDelim, false);
       if ( -1 == nextDelim )
-        nextDelim = cstr.tqfind(delimZ1, thisDelim, false);
+        nextDelim = cstr.tqfind(TQString(delimZ1), thisDelim, false);
       if ( -1 == nextDelim )
-        nextDelim = cstr.tqfind(delimZ2, thisDelim, false);
+        nextDelim = cstr.tqfind(TQString(delimZ2), thisDelim, false);
     }
     // reset curent node's Content-Type
     curNode->setType(    DwMime::kTypeText );
@@ -1656,7 +1656,7 @@ namespace KMail {
       const GpgME::ImportResult res = import->exec( certData );
       if ( res.error() ) {
         htmlWriter()->queue( i18n( "Sorry, certificate could not be imported.<br>"
-                                   "Reason: %1").arg( TQString::fromLocal8Bit( res.error().asString() ) ) );
+                                   "Reason: %1").tqarg( TQString::fromLocal8Bit( res.error().asString() ) ) );
         return true;
       }
 
@@ -1696,14 +1696,14 @@ namespace KMail {
       for ( std::vector<GpgME::Import>::const_iterator it = imports.begin() ; it != imports.end() ; ++it ) {
         if ( (*it).error() )
           htmlWriter()->queue( i18n( "Failed: %1 (%2)" )
-                               .arg( (*it).fingerprint(),
+                               .tqarg( (*it).fingerprint(),
                                      TQString::fromLocal8Bit( (*it).error().asString() ) ) );
         else if ( (*it).status() & ~GpgME::Import::ContainedSecretKey ) {
           if ( (*it).status() & GpgME::Import::ContainedSecretKey ) {
-            htmlWriter()->queue( i18n( "New or changed: %1 (secret key available)" ).arg( (*it).fingerprint() ) );
+            htmlWriter()->queue( i18n( "New or changed: %1 (secret key available)" ).tqarg( (*it).fingerprint() ) );
           }
           else {
-            htmlWriter()->queue( i18n( "New or changed: %1" ).arg( (*it).fingerprint() ) );
+            htmlWriter()->queue( i18n( "New or changed: %1" ).tqarg( (*it).fingerprint() ) );
           }
         }
         htmlWriter()->queue( "<br>" );
@@ -2054,7 +2054,7 @@ bool ObjectTreeParser::processApplicationMsTnefSubtype( partNode *node, ProcessR
 
     TQString fileName = mReader->writeMessagePartToTempFile( msgPart, partNum );
 
-    TQString href = TQString( "attachment:%1?place=body" ).arg( partNum );
+    TQString href = TQString( "attachment:%1?place=body" ).tqarg( partNum );
 
     TQString iconName;
     if( inlineImage )
@@ -2280,7 +2280,7 @@ static TQString writeSimpleSigstatHeader( const PartMetaData &block )
     if ( addr.isEmpty() ) {
       html += i18n( "Signature is valid." );
     } else {
-      html += i18n( "Signed by <a href=\"mailto:%1\">%2</a>." ).arg( addr, name );
+      html += i18n( "Signed by <a href=\"mailto:%1\">%2</a>." ).tqarg( addr, name );
     }
   } else {
     // should not happen
@@ -2307,7 +2307,7 @@ static TQString makeShowAuditLogLink( const GpgME::Error & err, const TQString &
       //kdDebug(5006) << "makeShowAuditLogLink: not showing link (not available)" << endl;
       return i18n("No Audit Log available");
     } else {
-      return i18n("Error Retrieving Audit Log: %1").arg( TQString::fromLocal8Bit( err.asString() ) );
+      return i18n("Error Retrieving Audit Log: %1").tqarg( TQString::fromLocal8Bit( err.asString() ) );
     }
   }
 
@@ -2371,7 +2371,7 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
         else {
             htmlStr += i18n("Encrypted message (decryption not possible)");
             if( !block.errorText.isEmpty() )
-                htmlStr += "<br />" + i18n("Reason: %1").arg( block.errorText );
+                htmlStr += "<br />" + i18n("Reason: %1").tqarg( block.errorText );
         }
         htmlStr += "</td></tr><tr class=\"encrB\"><td>";
     }
@@ -2428,13 +2428,13 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
         if( isSMIME )
             startKeyHREF =
                 TQString("<a href=\"kmail:showCertificate#%1 ### %2 ### %3\">")
-                .arg( cryptProto->displayName(),
+                .tqarg( cryptProto->displayName(),
                       cryptProto->name(),
                       block.keyId );
         TQString keyWithWithoutURL
             = isSMIME
             ? TQString("%1%2</a>")
-                .arg( startKeyHREF,
+                .tqarg( startKeyHREF,
                       cannotCheckSignature ? i18n("[Details]") : ("0x" + block.keyId) )
             : "0x" + TQString::fromUtf8( block.keyId );
 
@@ -2486,7 +2486,7 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                                 i18n("Warning:") +
                                 "</u> " +
                                 i18n("Sender's mail address is not stored "
-                                     "in the %1 used for signing.").arg(certificate) +
+                                     "in the %1 used for signing.").tqarg(certificate) +
                                 "<br />" +
                                 i18n("sender: ") +
                                 msgFrom +
@@ -2512,7 +2512,7 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                             "</u> " +
                             i18n("No mail address is stored in the %1 used for signing, "
                                  "so we cannot compare it to the sender's address %2.")
-                            .arg(certificate,msgFrom);
+                            .tqarg(certificate,msgFrom);
                     }
                     if( !greenCaseWarning.isEmpty() ) {
                         if( !statusStr.isEmpty() )
@@ -2535,7 +2535,7 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                 if( cannotCheckSignature ) {
                     htmlStr += i18n( "Not enough information to check "
                                      "signature. %1" )
-                                .arg( keyWithWithoutURL );
+                                .tqarg( keyWithWithoutURL );
                 }
                 else {
 
@@ -2553,26 +2553,26 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                             htmlStr += i18n( "Message was signed with unknown key." );
                         else
                             htmlStr += i18n( "Message was signed by %1." )
-                                    .arg( signer );
+                                    .tqarg( signer );
                     } else {
                         TQDateTime created = block.creationTime;
                         if( created.isValid() ) {
                             if( signer.isEmpty() ) {
                                 if( onlyShowKeyURL )
                                     htmlStr += i18n( "Message was signed with key %1." )
-                                                .arg( keyWithWithoutURL );
+                                                .tqarg( keyWithWithoutURL );
                                 else
                                     htmlStr += i18n( "Message was signed on %1 with key %2." )
-                                                .arg( KGlobal::locale()->formatDateTime( created ),
+                                                .tqarg( KGlobal::locale()->formatDateTime( created ),
                                                       keyWithWithoutURL );
                             }
                             else {
                                 if( onlyShowKeyURL )
                                     htmlStr += i18n( "Message was signed with key %1." )
-                                            .arg( keyWithWithoutURL );
+                                            .tqarg( keyWithWithoutURL );
                                 else
                                     htmlStr += i18n( "Message was signed by %3 on %1 with key %2" )
-                                            .arg( KGlobal::locale()->formatDateTime( created ),
+                                            .tqarg( KGlobal::locale()->formatDateTime( created ),
                                                   keyWithWithoutURL,
                                                   signer );
                             }
@@ -2580,10 +2580,10 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                         else {
                             if( signer.isEmpty() || onlyShowKeyURL )
                                 htmlStr += i18n( "Message was signed with key %1." )
-                                        .arg( keyWithWithoutURL );
+                                        .tqarg( keyWithWithoutURL );
                             else
                                 htmlStr += i18n( "Message was signed by %2 with key %1." )
-                                        .arg( keyWithWithoutURL,
+                                        .tqarg( keyWithWithoutURL,
                                               signer );
                         }
                     }
@@ -2621,11 +2621,11 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                     TQDateTime created = block.creationTime;
                     if ( created.isValid() )
                         htmlStr += i18n( "Message was signed on %1 with unknown key %2." )
-                                .arg( KGlobal::locale()->formatDateTime( created ),
+                                .tqarg( KGlobal::locale()->formatDateTime( created ),
                                       keyWithWithoutURL );
                     else
                         htmlStr += i18n( "Message was signed with unknown key %1." )
-                                .arg( keyWithWithoutURL );
+                                .tqarg( keyWithWithoutURL );
                   }
                   else
                     htmlStr += i18n( "Message was signed with unknown key." );
@@ -2663,10 +2663,10 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                     simpleHtmlStr += writeSimpleSigstatHeader( block );
                     if( !block.keyId.isEmpty() )
                         htmlStr += i18n( "Message was signed by %2 (Key ID: %1)." )
-                                   .arg( keyWithWithoutURL,
+                                   .tqarg( keyWithWithoutURL,
                                          signer );
                     else
-                        htmlStr += i18n( "Message was signed by %1." ).arg( signer );
+                        htmlStr += i18n( "Message was signed by %1." ).tqarg( signer );
                     htmlStr += "<br />";
 
                     switch( block.keyTrust )
@@ -2707,10 +2707,10 @@ TQString ObjectTreeParser::writeSigstatHeader( PartMetaData & block,
                     simpleHtmlStr += writeSimpleSigstatHeader( block );
                     if( !block.keyId.isEmpty() )
                         htmlStr += i18n( "Message was signed by %2 (Key ID: %1)." )
-                        .arg( keyWithWithoutURL,
+                        .tqarg( keyWithWithoutURL,
                               signer );
                     else
-                        htmlStr += i18n( "Message was signed by %1." ).arg( signer );
+                        htmlStr += i18n( "Message was signed by %1." ).tqarg( signer );
                     htmlStr += "<br />";
                     htmlStr += i18n("Warning: The signature is bad.");
                     frame = "</td></tr>"
@@ -2763,7 +2763,7 @@ void ObjectTreeParser::writeAttachmentMarkHeader( partNode *node )
   if ( !mReader )
     return;
 
-  htmlWriter()->queue( TQString( "<div id=\"attachmentDiv%1\">\n" ).arg( node->nodeId() ) );
+  htmlWriter()->queue( TQString( "<div id=\"attachmentDiv%1\">\n" ).tqarg( node->nodeId() ) );
 }
 
 //-----------------------------------------------------------------------------
@@ -2798,7 +2798,7 @@ void ObjectTreeParser::writeBodyStr( const TQCString& aStr, const TQTextCodec *a
   bool isPgpMessage = false; // true if the message contains at least one
                              // PGP MESSAGE or one PGP SIGNED MESSAGE block
   TQString dir = ( TQApplication::reverseLayout() ? "rtl" : "ltr" );
-  TQString headerStr = TQString("<div dir=\"%1\">").arg(dir);
+  TQString headerStr = TQString("<div dir=\"%1\">").tqarg(dir);
 
   inlineSignatureState  = KMMsgNotSigned;
   inlineEncryptionState = KMMsgNotEncrypted;
@@ -2970,7 +2970,7 @@ TQString ObjectTreeParser::quotedHTML( const TQString& s, bool decorate )
   const unsigned int length = s.length();
 
   // skip leading empty lines
-  for ( pos = 0; pos < length && s[pos] <= ' '; pos++ ) { ; }
+  for ( pos = 0; pos < length && s.tqat(pos) <= TQChar(' '); pos++ ) { ; }
   while (pos > 0 && (s[pos-1] == ' ' || s[pos-1] == '\t')) pos--;
   beg = pos;
 
@@ -3051,8 +3051,8 @@ TQString ObjectTreeParser::quotedHTML( const TQString& s, bool decorate )
               htmlStr += "<div class=\"quotelevelmark\" >" ;
               htmlStr += TQString( "<a href=\"kmail:levelquote?%1 \">"
                   "<img src=\"%2\" alt=\"\" title=\"\"/></a>" )
-                .arg(-1)
-                .arg( mExpandIcon );
+                .tqarg(-1)
+                .tqarg( mExpandIcon );
               htmlStr += "</div><br/>";
               htmlStr += quoteEnd;
             }
@@ -3060,8 +3060,8 @@ TQString ObjectTreeParser::quotedHTML( const TQString& s, bool decorate )
             htmlStr += "<div class=\"quotelevelmark\" >" ;
             htmlStr += TQString( "<a href=\"kmail:levelquote?%1 \">"
                 "<img src=\"%2\" alt=\"\" title=\"\"/></a>" )
-              .arg(actQuoteLevel)
-              .arg( mCollapseIcon);
+              .tqarg(actQuoteLevel)
+              .tqarg( mCollapseIcon);
             htmlStr += "</div>";
             if ( actQuoteLevel < 3 )
               htmlStr += quoteFontTag[actQuoteLevel];
@@ -3085,7 +3085,7 @@ TQString ObjectTreeParser::quotedHTML( const TQString& s, bool decorate )
       // ignore ^M DOS linebreaks
       if( !line.tqreplace('\015', "").isEmpty() )
       {
-         htmlStr +=TQString( "<div dir=\"%1\">" ).arg( line.isRightToLeft() ? "rtl":"ltr" );
+         htmlStr +=TQString( "<div dir=\"%1\">" ).tqarg( line.isRightToLeft() ? "rtl":"ltr" );
          htmlStr += LinkLocator::convertToHtml( line, convertFlags );
          htmlStr += TQString( "</div>" );
       }
diff --git a/kmail/partNode.cpp b/kmail/partNode.cpp
index 96bb32c5..de5e2d89 100644
--- a/kmail/partNode.cpp
+++ b/kmail/partNode.cpp
@@ -2,7 +2,7 @@
     partNode.cpp A node in a MIME tree.
 
     This file is part of KMail, the KDE mail client.
-    Copyright (c) 2002 Klarälvdalens Datakonsult AB
+    Copyright (c) 2002 Klar�lvdalens Datakonsult AB
 
     KMail is free software; you can redistribute it and/or modify it
     under the terms of the GNU General Public License, version 2, as
@@ -167,7 +167,7 @@ partNode::~partNode() {
 
 #ifndef NDEBUG
 void partNode::dump( int chars ) const {
-  kdDebug(5006) << nodeId() << " " << TQString().fill( ' ', chars ) << "+ "
+  kdDebug(5006) << nodeId() << " " << TQString(TQString().fill( ' ', chars )) << "+ "
                 << typeString() << '/' << subTypeString() << " embedded:" << mDisplayedEmbedded
                 << " address:" << this << endl;
   if ( mChild )
@@ -693,7 +693,7 @@ KMail::Interface::BodyPartMemento * partNode::internalBodyPartMemento( const TQC
 {
     assert( !reader() );
 
-    const std::map<TQCString,KMail::Interface::BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.tqfind( which.lower() );
+    const std::map<TQCString,KMail::Interface::BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.find( which.lower() );
     return it != mBodyPartMementoMap.end() ? it->second : 0 ;
 }
 
@@ -746,7 +746,7 @@ void partNode::setDisplayedHidden( bool displayedHidden )
 
 TQString partNode::asHREF( const TQString &place ) const
 {
-  return TQString( "attachment:%1?place=%2" ).arg( nodeId() ).arg( place );
+  return TQString( "attachment:%1?place=%2" ).tqarg( nodeId() ).tqarg( place );
 }
 
 partNode::AttachmentDisplayInfo partNode::attachmentDisplayInfo() const
diff --git a/kmail/partnodebodypart.cpp b/kmail/partnodebodypart.cpp
index 45ce2862..d7e6c95d 100644
--- a/kmail/partnodebodypart.cpp
+++ b/kmail/partnodebodypart.cpp
@@ -49,8 +49,8 @@ TQString KMail::PartNodeBodyPart::makeLink( const TQString & path ) const {
   static const int utf8 = 106;
   // FIXME: use a PRNG for the first arg, instead of a serial number
   return TQString( "x-kmail:/bodypart/%1/%2/%3" )
-    .arg( serial++ ).arg( mPartNode.nodeId() )
-    .arg( KURL::encode_string_no_slash( path, utf8 ) );
+    .tqarg( serial++ ).tqarg( mPartNode.nodeId() )
+    .tqarg( KURL::encode_string_no_slash( path, utf8 ) );
 }
 
 TQString KMail::PartNodeBodyPart::asText() const {
diff --git a/kmail/popaccount.cpp b/kmail/popaccount.cpp
index b2f55528..99befb43 100644
--- a/kmail/popaccount.cpp
+++ b/kmail/popaccount.cpp
@@ -167,7 +167,7 @@ void PopAccount::processNewMail(bool _interactive)
     }
 
     TQString seenUidList = locateLocal( "data", "kmail/" + mLogin + ":" + "@" +
-                                       mHost + ":" + TQString("%1").arg(mPort) );
+                                       mHost + ":" + TQString("%1").tqarg(mPort) );
     KConfig config( seenUidList );
     TQStringList uidsOfSeenMsgs = config.readListEntry( "seenUidList" );
     TQValueList<int> timeOfSeenMsgs = config.readIntListEntry( "seenUidTimeList" );
@@ -370,7 +370,7 @@ void PopAccount::startJob()
   if (!runPrecommand(precommand()))
     {
       KMessageBox::sorry(0,
-                         i18n("Could not execute precommand: %1").arg(precommand()),
+                         i18n("Could not execute precommand: %1").tqarg(precommand()),
                          i18n("KMail Error Message"));
       checkDone( false, CheckError );
       return;
@@ -401,7 +401,7 @@ void PopAccount::startJob()
   mMailCheckProgressItem = KPIM::ProgressManager::createProgressItem(
     "MailCheck" + mName,
     escapedName,
-    i18n("Preparing transmission from \"%1\"...").arg( escapedName ),
+    i18n("Preparing transmission from \"%1\"...").tqarg( escapedName ),
     true, // can be canceled
     useSSL() || useTLS() );
   connect( mMailCheckProgressItem, TQT_SIGNAL( progressItemCanceled( KPIM::ProgressItem* ) ),
@@ -496,7 +496,7 @@ void PopAccount::slotJobFinished() {
       "the UIDL command: this command is required to determine, in a reliable way, "
       "which of the mails on the server KMail has already seen before;\n"
       "the feature to leave the mails on the server will therefore not "
-      "work properly.").arg(NetworkAccount::name()) );
+      "work properly.").tqarg(NetworkAccount::name()) );
       // An attempt to work around buggy pop servers, these seem to be popular.
       mUidsOfNextSeenMsgsDict = mUidsOfSeenMsgsDict;
     }
@@ -751,7 +751,7 @@ void PopAccount::slotJobFinished() {
           i18n( "Fetched 1 message from %1. Deleting messages from server...",
                 "Fetched %n messages from %1. Deleting messages from server...",
                 numMsgs )
-          .arg( mHost ) );
+          .tqarg( mHost ) );
       url.setPath("/remove/" + idsOfMsgsToDelete.join(","));
       kdDebug(5006) << "url: " << url.prettyURL() << endl;
     } else {
@@ -761,7 +761,7 @@ void PopAccount::slotJobFinished() {
           i18n( "Fetched 1 message from %1. Terminating transmission...",
                 "Fetched %n messages from %1. Terminating transmission...",
                 numMsgs )
-          .arg( mHost ) );
+          .tqarg( mHost ) );
       url.setPath(TQString("/commit"));
       kdDebug(5006) << "url: " << url.prettyURL() << endl;
     }
@@ -781,7 +781,7 @@ void PopAccount::slotJobFinished() {
         i18n( "Fetched 1 message from %1. Terminating transmission...",
               "Fetched %n messages from %1. Terminating transmission...",
               numMsgs )
-        .arg( mHost ) );
+        .tqarg( mHost ) );
     KURL url = getUrl();
     url.setPath(TQString("/commit"));
     job = KIO::get( url, false, false );
@@ -841,7 +841,7 @@ void PopAccount::saveUidList()
     seenUidTimeList.append( mTimeOfNextSeenMsgsMap[it.currentKey()] );
   }
   TQString seenUidList = locateLocal( "data", "kmail/" + mLogin + ":" + "@" +
-                                      mHost + ":" + TQString("%1").arg(mPort) );
+                                      mHost + ":" + TQString("%1").tqarg(mPort) );
   KConfig config( seenUidList );
   config.writeEntry( "seenUidList", uidsOfNextSeenMsgs );
   config.writeEntry( "seenUidTimeList", seenUidTimeList );
@@ -867,7 +867,7 @@ void PopAccount::slotGetNextMsg()
     curMsgStrm = new TQDataStream( curMsgData, IO_WriteOnly );
     curMsgLen = nextLen;
     ++indexOfCurrentMsg;
-    kdDebug(5006) << TQString("Length of message about to get %1").arg( nextLen ) << endl;
+    kdDebug(5006) << TQString("Length of message about to get %1").tqarg( nextLen ) << endl;
     mMsgsPendingDownload.remove( next.key() );
   }
 }
@@ -904,14 +904,14 @@ void PopAccount::slotData( KIO::Job* job, const TQByteArray &data)
       {
         msg = i18n("Fetching message %1 of %2 (%3 of %4 KB) for %5@%6 "
                    "(%7 KB remain on the server).")
-          .arg(indexOfCurrentMsg+1).arg(numMsgs).arg(numBytesRead/1024)
-          .arg(numBytesToRead/1024).arg(mLogin).arg(mHost).arg(numBytes/1024);
+          .tqarg(indexOfCurrentMsg+1).tqarg(numMsgs).tqarg(numBytesRead/1024)
+          .tqarg(numBytesToRead/1024).tqarg(mLogin).tqarg(mHost).tqarg(numBytes/1024);
       }
       else
       {
         msg = i18n("Fetching message %1 of %2 (%3 of %4 KB) for %5@%6.")
-          .arg(indexOfCurrentMsg+1).arg(numMsgs).arg(numBytesRead/1024)
-          .arg(numBytesToRead/1024).arg(mLogin).arg(mHost);
+          .tqarg(indexOfCurrentMsg+1).tqarg(numMsgs).tqarg(numBytesRead/1024)
+          .tqarg(numBytesToRead/1024).tqarg(mLogin).tqarg(mHost);
       }
       mMailCheckProgressItem->setqStatus( msg );
       mMailCheckProgressItem->setProgress(
diff --git a/kmail/quotajobs.h b/kmail/quotajobs.h
index e53a4f18..58b2af57 100644
--- a/kmail/quotajobs.h
+++ b/kmail/quotajobs.h
@@ -73,8 +73,8 @@ class QuotaInfo {
     if ( isValid() && !isEmpty() ) {
       readConfig();
       int factor = static_cast<int> ( pow( 1000, mFactor ) );
-      return i18n("%1 of %2 %3 used").arg( mCurrent.toInt() / factor )
-                                .arg( mMax.toInt() / factor ).arg( mUnits );
+      return i18n("%1 of %2 %3 used").tqarg( mCurrent.toInt() / factor )
+                                .tqarg( mMax.toInt() / factor ).tqarg( mUnits );
     }
     return TQString();
   }
diff --git a/kmail/recipientseditor.cpp b/kmail/recipientseditor.cpp
index 273ba923..5e8175dc 100644
--- a/kmail/recipientseditor.cpp
+++ b/kmail/recipientseditor.cpp
@@ -915,8 +915,8 @@ void RecipientsEditor::setRecipientString( const TQString &str,
     if ( count++ > GlobalSettings::self()->maximumRecipients() ) {
       KMessageBox::sorry( this,
         i18n("Truncating recipients list to %1 of %2 entries.")
-        .arg( GlobalSettings::self()->maximumRecipients() )
-        .arg( r.count() ) );
+        .tqarg( GlobalSettings::self()->maximumRecipients() )
+        .tqarg( r.count() ) );
       break;
     }
     addRecipient( *it, type );
diff --git a/kmail/recipientspicker.cpp b/kmail/recipientspicker.cpp
index 38b00d14..0bbacbea 100644
--- a/kmail/recipientspicker.cpp
+++ b/kmail/recipientspicker.cpp
@@ -103,7 +103,7 @@ void RecipientItem::setAddressee( const KABC::Addressee &a,
 
   TQImage img = a.photo().data();
   if ( !img.isNull() )
-    mIcon = img.smoothScale( 20, 20, TQImage::ScaleMin );
+    mIcon = img.smoothScale( 20, 20, TQ_ScaleMin );
   else
     mIcon = KGlobal::iconLoader()->loadIcon( "personal", KIcon::Small );
 
@@ -783,7 +783,7 @@ void RecipientsPicker::pick( Recipient::Type type )
              "recipients is %1. Please adapt the selection.",
              "You selected %n recipients. The maximum supported number of "
              "recipients is %1. Please adapt the selection.", count)
-      .arg( GlobalSettings::self()->maximumRecipients() ) );
+      .tqarg( GlobalSettings::self()->maximumRecipients() ) );
     return;
   }
 
diff --git a/kmail/regexplineedit.cpp b/kmail/regexplineedit.cpp
index 97aef16f..1d4d3b99 100644
--- a/kmail/regexplineedit.cpp
+++ b/kmail/regexplineedit.cpp
@@ -120,7 +120,7 @@ namespace KMail {
   void RegExpLineEdit::slotEditRegExp()
   {
     if ( !mRegExpEditDialog )
-      mRegExpEditDialog = KParts::ComponentFactory::createInstanceFromQuery<TQDialog>( "KRegExpEditor/KRegExpEditor", TQString(), this );
+      mRegExpEditDialog = KParts::ComponentFactory::createInstanceFromQuery<TQDialog>( "KRegExpEditor/KRegExpEditor", TQString(), TQT_TQOBJECT(this) );
 
     KRegExpEditorInterface *iface =
       static_cast<KRegExpEditorInterface *>( mRegExpEditDialog->qt_cast( "KRegExpEditorInterface" ) );
diff --git a/kmail/rulewidgethandlermanager.cpp b/kmail/rulewidgethandlermanager.cpp
index b3e211fa..18a84814 100644
--- a/kmail/rulewidgethandlermanager.cpp
+++ b/kmail/rulewidgethandlermanager.cpp
@@ -251,7 +251,7 @@ void KMail::RuleWidgetHandlerManager::createWidgets( TQWidgetStack *functionStac
     for ( int i = 0;
           ( w = (*it)->createFunctionWidget( i, functionStack, receiver ) );
           ++i ) {
-      if ( childCount( functionStack, w->name() ) < 2 ) {
+      if ( childCount( TQT_TQOBJECT(functionStack), w->name() ) < 2 ) {
         // there wasn't already a widget with this name, so add this widget
         functionStack->addWidget( w );
       }
@@ -266,7 +266,7 @@ void KMail::RuleWidgetHandlerManager::createWidgets( TQWidgetStack *functionStac
     for ( int i = 0;
           ( w = (*it)->createValueWidget( i, valueStack, receiver ) );
           ++i ) {
-      if ( childCount( valueStack, w->name() ) < 2 ) {
+      if ( childCount( TQT_TQOBJECT(valueStack), w->name() ) < 2 ) {
         // there wasn't already a widget with this name, so add this widget
         valueStack->addWidget( w );
       }
@@ -360,15 +360,15 @@ namespace {
   TQObject* TQObject_child_const( const TQObject *tqparent,
                                 const char *objName )
   {
-    const TQObjectList *list = tqparent->tqchildren();
-    if ( !list )
+    const TQObjectList list = tqparent->childrenListObject();
+    if ( list.isEmpty() )
       return 0;
 
-    TQObjectListIterator it( *list );
+    TQObjectListIterator it( list );
     TQObject *obj;
     while ( ( obj = it.current() ) ) {
       ++it;
-      if ( !objName || qstrcmp( objName, obj->name() ) == 0 )
+      if ( !objName || tqstrcmp( objName, obj->name() ) == 0 )
         break;
     }
     return obj;
@@ -472,7 +472,7 @@ namespace {
   KMSearchRule::Function TextRuleWidgetHandler::currentFunction( const TQWidgetStack *functionStack ) const
   {
     const TQComboBox *funcCombo =
-      dynamic_cast<TQComboBox*>( TQObject_child_const( functionStack,
+      dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(functionStack),
                                                      "textRuleFuncCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( functionStack->child( "textRuleFuncCombo",
@@ -503,7 +503,7 @@ namespace {
     if ( func  == KMSearchRule::FuncIsInCategory ||
          func  == KMSearchRule::FuncIsNotInCategory ) {
       const TQComboBox *combo=
-        dynamic_cast<TQComboBox*>( TQObject_child_const( valueStack,
+        dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(valueStack),
                                                        "categoryCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( valueStack->child( "categoryCombo",
@@ -520,7 +520,7 @@ namespace {
 
     //in other cases of func it is a lineedit
     const RegExpLineEdit *lineEdit =
-      dynamic_cast<RegExpLineEdit*>( TQObject_child_const( valueStack,
+      dynamic_cast<RegExpLineEdit*>( TQObject_child_const( TQT_TQOBJECT_CONST(valueStack),
                                                           "regExpLineEdit" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<RegExpLineEdit*>( valueStack->child( "regExpLineEdit",
@@ -646,15 +646,15 @@ namespace {
     if ( func == KMSearchRule::FuncIsInAddressbook ||
          func == KMSearchRule::FuncIsNotInAddressbook ) {
       TQWidget *w =
-        static_cast<TQWidget*>( valueStack->child( "textRuleValueHider",
+        TQT_TQWIDGET( valueStack->child( "textRuleValueHider",
                                                   0, false ) );
       valueStack->raiseWidget( w );
     }
     else if ( func == KMSearchRule::FuncIsInCategory ||
               func == KMSearchRule::FuncIsNotInCategory) {
       TQComboBox *combo =
-        static_cast<TQComboBox*>( valueStack->child( "categoryCombo",
-                                                    0, false ) );
+        static_cast<TQComboBox*>( TQT_TQWIDGET(valueStack->child( "categoryCombo",
+                                                    0, false )) );
       combo->blockSignals( true );
       for ( i = 0; i < combo->count(); ++i )
         if ( rule->contents() == combo->text( i ) ) {
@@ -692,7 +692,7 @@ namespace {
   {
     // raise the correct function widget
     functionStack->raiseWidget(
-      static_cast<TQWidget*>( functionStack->child( "textRuleFuncCombo",
+      TQT_TQWIDGET( functionStack->child( "textRuleFuncCombo",
                                                    0, false ) ) );
 
     // raise the correct value widget
@@ -700,13 +700,13 @@ namespace {
     if ( func == KMSearchRule::FuncIsInAddressbook ||
          func == KMSearchRule::FuncIsNotInAddressbook ) {
       valueStack->raiseWidget(
-        static_cast<TQWidget*>( valueStack->child( "textRuleValueHider",
+        TQT_TQWIDGET( valueStack->child( "textRuleValueHider",
                                                   0, false ) ) );
     }
     else if ( func == KMSearchRule::FuncIsInCategory ||
               func == KMSearchRule::FuncIsNotInCategory) {
       valueStack->raiseWidget(
-        static_cast<TQWidget*>( valueStack->child( "categoryCombo",
+        TQT_TQWIDGET( valueStack->child( "categoryCombo",
                                                   0, false ) ) );
     }
     else {
@@ -794,7 +794,7 @@ namespace {
   KMSearchRule::Function MessageRuleWidgetHandler::currentFunction( const TQWidgetStack *functionStack ) const
   {
     const TQComboBox *funcCombo =
-      dynamic_cast<TQComboBox*>( TQObject_child_const( functionStack,
+      dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(functionStack),
                                                      "messageRuleFuncCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( functionStack->child( "messageRuleFuncCombo",
@@ -825,7 +825,7 @@ namespace {
                                                   KMSearchRule::Function ) const
   {
     const RegExpLineEdit *lineEdit =
-      dynamic_cast<RegExpLineEdit*>( TQObject_child_const( valueStack,
+      dynamic_cast<RegExpLineEdit*>( TQObject_child_const( TQT_TQOBJECT_CONST(valueStack),
                                                           "regExpLineEdit" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<RegExpLineEdit*>( valueStack->child( "regExpLineEdit",
@@ -947,7 +947,7 @@ namespace {
     if ( func == KMSearchRule::FuncHasAttachment  ||
          func == KMSearchRule::FuncHasNoAttachment ) {
       TQWidget *w =
-        static_cast<TQWidget*>( valueStack->child( "textRuleValueHider",
+        TQT_TQWIDGET( valueStack->child( "textRuleValueHider",
                                                   0, false ) );
       valueStack->raiseWidget( w );
     }
@@ -978,7 +978,7 @@ namespace {
       return false;
     // raise the correct function widget
     functionStack->raiseWidget(
-      static_cast<TQWidget*>( functionStack->child( "messageRuleFuncCombo",
+      TQT_TQWIDGET( functionStack->child( "messageRuleFuncCombo",
                                                    0, false ) ) );
 
     // raise the correct value widget
@@ -986,7 +986,7 @@ namespace {
     if ( func == KMSearchRule::FuncHasAttachment  ||
          func == KMSearchRule::FuncHasNoAttachment ) {
       TQWidget *w =
-        static_cast<TQWidget*>( valueStack->child( "textRuleValueHider",
+        TQT_TQWIDGET( valueStack->child( "textRuleValueHider",
                                                   0, false ) );
       valueStack->raiseWidget( w );
     }
@@ -1068,7 +1068,7 @@ namespace {
   KMSearchRule::Function StatusRuleWidgetHandler::currentFunction( const TQWidgetStack *functionStack ) const
   {
     const TQComboBox *funcCombo =
-      dynamic_cast<TQComboBox*>( TQObject_child_const( functionStack,
+      dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(functionStack),
                                                      "statusRuleFuncCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( functionStack->child( "statusRuleFuncCombo",
@@ -1098,7 +1098,7 @@ namespace {
   int StatusRuleWidgetHandler::currenStatusValue( const TQWidgetStack *valueStack ) const
   {
     const TQComboBox *statusCombo =
-      dynamic_cast<TQComboBox*>( TQObject_child_const( valueStack,
+      dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(valueStack),
                                                      "statusRuleValueCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( valueStack->child( "statusRuleValueCombo",
@@ -1249,12 +1249,12 @@ namespace {
 
     // raise the correct function widget
     functionStack->raiseWidget(
-      static_cast<TQWidget*>( functionStack->child( "statusRuleFuncCombo",
+      TQT_TQWIDGET( functionStack->child( "statusRuleFuncCombo",
                                                    0, false ) ) );
 
     // raise the correct value widget
     valueStack->raiseWidget(
-      static_cast<TQWidget*>( valueStack->child( "statusRuleValueCombo",
+      TQT_TQWIDGET( valueStack->child( "statusRuleValueCombo",
                                                 0, false ) ) );
     return true;
   }
@@ -1323,7 +1323,7 @@ namespace {
   KMSearchRule::Function NumericRuleWidgetHandler::currentFunction( const TQWidgetStack *functionStack ) const
   {
     const TQComboBox *funcCombo =
-      dynamic_cast<TQComboBox*>( TQObject_child_const( functionStack,
+      dynamic_cast<TQComboBox*>( TQObject_child_const( TQT_TQOBJECT_CONST(functionStack),
                                                      "numericRuleFuncCombo" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<TQComboBox*>( functionStack->child( "numericRuleFuncCombo",
@@ -1353,7 +1353,7 @@ namespace {
   TQString NumericRuleWidgetHandler::currentValue( const TQWidgetStack *valueStack ) const
   {
     const KIntNumInput *numInput =
-      dynamic_cast<KIntNumInput*>( TQObject_child_const( valueStack,
+      dynamic_cast<KIntNumInput*>( TQObject_child_const( TQT_TQOBJECT_CONST(valueStack),
                                                         "KIntNumInput" ) );
     // FIXME (TQt >= 4.0): Use the following when TQObject::child() is const.
     //  dynamic_cast<KIntNumInput*>( valueStack->child( "KIntNumInput",
@@ -1502,7 +1502,7 @@ namespace {
 
     // raise the correct function widget
     functionStack->raiseWidget(
-      static_cast<TQWidget*>( functionStack->child( "numericRuleFuncCombo",
+      TQT_TQWIDGET( functionStack->child( "numericRuleFuncCombo",
                                                    0, false ) ) );
 
     // raise the correct value widget
diff --git a/kmail/searchjob.cpp b/kmail/searchjob.cpp
index cabae0fd..a9eb3536 100644
--- a/kmail/searchjob.cpp
+++ b/kmail/searchjob.cpp
@@ -252,7 +252,7 @@ void SearchJob::slotSearchFolder()
       // so we need to download all messages and check
       TQString question = i18n("To execute your search all messages of the folder %1 "
           "have to be downloaded from the server. This may take some time. "
-          "Do you want to continue your search?").arg( mFolder->label() );
+          "Do you want to continue your search?").tqarg( mFolder->label() );
       if ( KMessageBox::warningContinueCancel( 0, question,
             i18n("Continue Search"), i18n("&Search"), 
             "continuedownloadingforsearch" ) != KMessageBox::Continue ) 
@@ -267,7 +267,7 @@ void SearchJob::slotSearchFolder()
     mProgress = ProgressManager::createProgressItem(
         "ImapSearchDownload" + ProgressManager::getUniqueID(),
         i18n("Downloading emails from IMAP server"),
-        i18n( "URL: %1" ).arg( TQStyleSheet::escape( mFolder->folder()->prettyURL() ) ),
+        i18n( "URL: %1" ).tqarg( TQStyleSheet::escape( mFolder->folder()->prettyURL() ) ),
         true,
         mAccount->useSSL() || mAccount->useTLS() );
     mProgress->setTotalItems( numMsgs );
diff --git a/kmail/searchwindow.cpp b/kmail/searchwindow.cpp
index ee7e090b..24d08a06 100644
--- a/kmail/searchwindow.cpp
+++ b/kmail/searchwindow.cpp
@@ -188,8 +188,8 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   if ( list )
       object = list->first();
   delete list;
-  if (!searchFolder && object && ::qt_cast<TQComboBox*>(object))
-      static_cast<TQComboBox*>(object)->setCurrentText("Subject");
+  if (!searchFolder && object && ::tqqt_cast<TQComboBox*>(object))
+      static_cast<TQComboBox*>(TQT_TQWIDGET(object))->setCurrentText("Subject");
 
   vbl->addWidget( mPatternEdit );
 
@@ -199,7 +199,7 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   connect( mChkbxSpecificFolders, TQT_SIGNAL(toggled(bool)),
            mChkSubFolders, TQT_SLOT(setEnabled(bool)) );
   connect( mChkbxAllFolders, TQT_SIGNAL(toggled(bool)),
-           this, TQT_SLOT(setEnabledSearchButton(bool)) );
+           TQT_TQOBJECT(this), TQT_SLOT(setEnabledSearchButton(bool)) );
 
   mLbxMatches = new MatchListView(searchWidget, this, "Find Messages");
 
@@ -237,13 +237,13 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   mLbxMatches->setDragEnabled( true );
 
   connect( mLbxMatches, TQT_SIGNAL(clicked(TQListViewItem *)),
-           this, TQT_SLOT(slotShowMsg(TQListViewItem *)) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotShowMsg(TQListViewItem *)) );
   connect( mLbxMatches, TQT_SIGNAL(doubleClicked(TQListViewItem *)),
-           this, TQT_SLOT(slotViewMsg(TQListViewItem *)) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotViewMsg(TQListViewItem *)) );
   connect( mLbxMatches, TQT_SIGNAL(currentChanged(TQListViewItem *)),
-           this, TQT_SLOT(slotCurrentChanged(TQListViewItem *)) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotCurrentChanged(TQListViewItem *)) );
   connect( mLbxMatches, TQT_SIGNAL(contextMenuRequested(TQListViewItem *,const TQPoint &,int)),
-           this, TQT_SLOT(slotContextMenuRequested(TQListViewItem *,const TQPoint &,int)) );
+           TQT_TQOBJECT(this), TQT_SLOT(slotContextMenuRequested(TQListViewItem *,const TQPoint &,int)) );
   vbl->addWidget( mLbxMatches );
 
   TQHBoxLayout *hbl2 = new TQHBoxLayout( vbl, spacingHint(), "kmfs_hbl2" );
@@ -261,16 +261,16 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   mSearchFolderOpenBtn->setEnabled(false);
   hbl2->addWidget(mSearchFolderOpenBtn);
   connect( mSearchFolderEdt, TQT_SIGNAL( textChanged( const TQString &)),
-           this, TQT_SLOT( scheduleRename( const TQString & )));
+           TQT_TQOBJECT(this), TQT_SLOT( scheduleRename( const TQString & )));
   connect( &mRenameTimer, TQT_SIGNAL( timeout() ),
-           this, TQT_SLOT( renameSearchFolder() ));
+           TQT_TQOBJECT(this), TQT_SLOT( renameSearchFolder() ));
   connect( mSearchFolderOpenBtn, TQT_SIGNAL( clicked() ),
-           this, TQT_SLOT( openSearchFolder() ));
+           TQT_TQOBJECT(this), TQT_SLOT( openSearchFolder() ));
   mSearchResultOpenBtn = new TQPushButton(i18n("Open &Message"), searchWidget);
   mSearchResultOpenBtn->setEnabled(false);
   hbl2->addWidget(mSearchResultOpenBtn);
   connect( mSearchResultOpenBtn, TQT_SIGNAL( clicked() ),
-           this, TQT_SLOT( slotViewSelectedMsg() ));
+           TQT_TQOBJECT(this), TQT_SLOT( slotViewSelectedMsg() ));
   mStatusBar = new KStatusBar(searchWidget);
   mStatusBar->insertFixedItem(i18n("AMiddleLengthText..."), 0, true);
   mStatusBar->changeItem(i18n("Ready."), 0);
@@ -286,7 +286,7 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
     resize(mainWidth, mainHeight);
 
   setMainWidget(searchWidget);
-  setButtonBoxOrientation(TQWidget::Vertical);
+  setButtonBoxOrientation(Qt::Vertical);
 
   mBtnSearch = actionButton(KDialogBase::User1);
   mBtnStop = actionButton(KDialogBase::User2);
@@ -294,12 +294,12 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
 
   connect(this, TQT_SIGNAL(user1Clicked()), TQT_SLOT(slotSearch()));
   connect(this, TQT_SIGNAL(user2Clicked()), TQT_SLOT(slotStop()));
-  connect(this, TQT_SIGNAL(finished()), this, TQT_SLOT(deleteLater()));
+  connect(this, TQT_SIGNAL(finished()), TQT_TQOBJECT(this), TQT_SLOT(deleteLater()));
 
   // give focus to the value field of the first search rule
   object = mPatternEdit->child( "regExpLineEdit" );
   if ( object && object->isWidgetType() ) {
-      static_cast<TQWidget*>(object)->setFocus();
+      TQT_TQWIDGET(object)->setFocus();
       //kdDebug(5006) << "SearchWindow: focus has been given to widget "
       //              << object->name() << endl;
   }
@@ -309,13 +309,13 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   //set up actions
   KActionCollection *ac = actionCollection();
   ac->setWidget( this );
-  mReplyAction = new KAction( i18n("&Reply..."), "mail_reply", 0, this,
+  mReplyAction = new KAction( i18n("&Reply..."), "mail_reply", 0, TQT_TQOBJECT(this),
                               TQT_SLOT(slotReplyToMsg()), ac, "search_reply" );
   mReplyAllAction = new KAction( i18n("Reply to &All..."), "mail_replyall",
-                                 0, this, TQT_SLOT(slotReplyAllToMsg()),
+                                 0, TQT_TQOBJECT(this), TQT_SLOT(slotReplyAllToMsg()),
                                  ac, "search_reply_all" );
   mReplyListAction = new KAction( i18n("Reply to Mailing-&List..."),
-                                  "mail_replylist", 0, this,
+                                  "mail_replylist", 0, TQT_TQOBJECT(this),
                                   TQT_SLOT(slotReplyListToMsg()), ac,
                                   "search_reply_list" );
   mForwardActionMenu = new KActionMenu( i18n("Message->","&Forward"),
@@ -324,11 +324,11 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   connect( mForwardActionMenu, TQT_SIGNAL(activated()), this,
            TQT_SLOT(slotForwardInlineMsg()) );
   mForwardAttachedAction = new KAction( i18n("Message->Forward->","As &Attachment..."),
-                                        "mail_forward", 0, this,
+                                        "mail_forward", 0, TQT_TQOBJECT(this),
                                         TQT_SLOT(slotForwardAttachedMsg()), ac,
                                         "search_message_forward_as_attachment" );
   mForwardInlineAction = new KAction( i18n("&Inline..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardInlineMsg()), ac,
                                       "search_message_forward_inline" );
   if ( GlobalSettings::self()->forwardingInlineByDefault() ) {
@@ -340,32 +340,32 @@ SearchWindow::SearchWindow(KMMainWidget* w, const char* name,
   }
 
   mForwardDigestAction = new KAction( i18n("Message->Forward->","As Di&gest..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotForwardDigestMsg()), ac,
                                       "search_message_forward_as_digest" );
   mForwardActionMenu->insert( mForwardDigestAction );
   mRedirectAction = new KAction( i18n("Message->Forward->","&Redirect..."),
-                                      "mail_forward", 0, this,
+                                      "mail_forward", 0, TQT_TQOBJECT(this),
                                       TQT_SLOT(slotRedirectMsg()), ac,
                                       "search_message_forward_redirect" );
   mForwardActionMenu->insert( mRedirectAction );
-  mSaveAsAction = KStdAction::saveAs( this, TQT_SLOT(slotSaveMsg()), ac, "search_file_save_as" );
+  mSaveAsAction = KStdAction::saveAs( TQT_TQOBJECT(this), TQT_SLOT(slotSaveMsg()), ac, "search_file_save_as" );
   mSaveAtchAction = new KAction( i18n("Save Attachments..."), "attach", 0,
-                                 this, TQT_SLOT(slotSaveAttachments()), ac, "search_save_attachments" );
+                                 TQT_TQOBJECT(this), TQT_SLOT(slotSaveAttachments()), ac, "search_save_attachments" );
 
-  mPrintAction = KStdAction::print( this, TQT_SLOT(slotPrintMsg()), ac, "search_print" );
-  mClearAction = new KAction( i18n("Clear Selection"), 0, 0, this,
+  mPrintAction = KStdAction::print( TQT_TQOBJECT(this), TQT_SLOT(slotPrintMsg()), ac, "search_print" );
+  mClearAction = new KAction( i18n("Clear Selection"), 0, 0, TQT_TQOBJECT(this),
                               TQT_SLOT(slotClearSelection()), ac, "search_clear_selection" );
 
-  mCopyAction = KStdAction::copy( this, TQT_SLOT(slotCopyMsgs()), ac, "search_copy_messages" );
-  mCutAction = KStdAction::cut( this, TQT_SLOT(slotCutMsgs()), ac, "search_cut_messages" );
+  mCopyAction = KStdAction::copy( TQT_TQOBJECT(this), TQT_SLOT(slotCopyMsgs()), ac, "search_copy_messages" );
+  mCutAction = KStdAction::cut( TQT_TQOBJECT(this), TQT_SLOT(slotCutMsgs()), ac, "search_cut_messages" );
 
-  connect(mTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(updtqStatus()));
+  connect(mTimer, TQT_SIGNAL(timeout()), TQT_TQOBJECT(this), TQT_SLOT(updtqStatus()));
   connect(kmkernel->searchFolderMgr(), TQT_SIGNAL(folderInvalidated(KMFolder*)),
-          this, TQT_SLOT(folderInvalidated(KMFolder*)));
+          TQT_TQOBJECT(this), TQT_SLOT(folderInvalidated(KMFolder*)));
 
   connect(mCbxFolders, TQT_SIGNAL(folderChanged(KMFolder*)),
-          this, TQT_SLOT(slotFolderActivated()));
+          TQT_TQOBJECT(this), TQT_SLOT(slotFolderActivated()));
 
 }
 
@@ -418,17 +418,17 @@ void SearchWindow::updtqStatus(void)
         if(!mStopped) {
             genMsg = i18n("Done.");
             detailMsg = i18n("%n match in %1", "%n matches in %1",
-                             numMatches).arg(procMsg);
+                             numMatches).tqarg(procMsg);
         } else {
             genMsg = i18n("Search canceled.");
             detailMsg = i18n("%n match so far in %1", "%n matches so far in %1",
-                             numMatches).arg(procMsg);
+                             numMatches).tqarg(procMsg);
         }
     } else {
         procMsg = i18n("%n message", "%n messages", numProcessed);
         genMsg = i18n("%n match", "%n matches", numMatches);
         detailMsg = i18n("Searching in %1. %2 searched so far")
-                    .arg(folderName).arg(procMsg);
+                    .tqarg(folderName).tqarg(procMsg);
     }
 
     mStatusBar->changeItem(genMsg, 0);
@@ -497,7 +497,7 @@ void SearchWindow::slotSearch()
       while ((folder = mgr->tqfind(fullName))) {
         if (folder->storage()->inherits("KMFolderSearch"))
           break;
-        fullName = TQString("%1 %2").arg(baseName).arg(++count);
+        fullName = TQString("%1 %2").tqarg(baseName).tqarg(++count);
       }
 
       if (!folder)
@@ -508,17 +508,17 @@ void SearchWindow::slotSearch()
     }
     mFolder->stopSearch();
     disconnect(mFolder, TQT_SIGNAL(msgAdded(int)),
-            this, TQT_SLOT(slotAddMsg(int)));
+            TQT_TQOBJECT(this), TQT_SLOT(slotAddMsg(int)));
     disconnect(mFolder, TQT_SIGNAL(msgRemoved(KMFolder*, TQ_UINT32)),
-            this, TQT_SLOT(slotRemoveMsg(KMFolder*, TQ_UINT32)));
+            TQT_TQOBJECT(this), TQT_SLOT(slotRemoveMsg(KMFolder*, TQ_UINT32)));
     connect(mFolder, TQT_SIGNAL(msgAdded(int)),
-            this, TQT_SLOT(slotAddMsg(int)));
+            TQT_TQOBJECT(this), TQT_SLOT(slotAddMsg(int)));
     connect(mFolder, TQT_SIGNAL(msgRemoved(KMFolder*, TQ_UINT32)),
-            this, TQT_SLOT(slotRemoveMsg(KMFolder*, TQ_UINT32)));
+            TQT_TQOBJECT(this), TQT_SLOT(slotRemoveMsg(KMFolder*, TQ_UINT32)));
     mSearchFolderEdt->setEnabled(false);
     KMSearch *search = new KMSearch();
     connect(search, TQT_SIGNAL(finished(bool)),
-            this, TQT_SLOT(searchDone()));
+            TQT_TQOBJECT(this), TQT_SLOT(searchDone()));
     if (mChkbxAllFolders->isChecked()) {
         search->setRecursive(true);
     } else {
@@ -543,7 +543,7 @@ void SearchWindow::searchDone()
     mTimer->stop();
     updtqStatus();
 
-    TQTimer::singleShot(0, this, TQT_SLOT(enableGUI()));
+    TQTimer::singleShot(0, TQT_TQOBJECT(this), TQT_SLOT(enableGUI()));
     if(mLastFocus)
         mLastFocus->setFocus();
     if (mCloseRequested)
@@ -623,7 +623,7 @@ void SearchWindow::closeEvent(TQCloseEvent *e)
       //Cancel search in progress by setting the search folder search to
       //the null search
       mFolder->setSearch(new KMSearch());
-      TQTimer::singleShot(0, this, TQT_SLOT(slotClose()));
+      TQTimer::singleShot(0, TQT_TQOBJECT(this), TQT_SLOT(slotClose()));
     } else {
       KDialogBase::closeEvent(e);
     }
@@ -677,7 +677,7 @@ void SearchWindow::folderInvalidated(KMFolder *folder)
         mLbxMatches->clear();
         if (mFolder->search())
             connect(mFolder->search(), TQT_SIGNAL(finished(bool)),
-                    this, TQT_SLOT(searchDone()));
+                    TQT_TQOBJECT(this), TQT_SLOT(searchDone()));
         mTimer->start(200);
         enableGUI();
     }
@@ -840,10 +840,10 @@ void SearchWindow::slotContextMenuRequested( TQListViewItem *lvi, const TQPoint
     mMenuToFolder.clear();
     TQPopupMenu *msgMoveMenu = new TQPopupMenu(menu);
     mKMMainWidget->folderTree()->folderToPopupMenu( KMFolderTree::MoveMessage,
-        this, &mMenuToFolder, msgMoveMenu );
+        TQT_TQOBJECT(this), &mMenuToFolder, msgMoveMenu );
     TQPopupMenu *msgCopyMenu = new TQPopupMenu(menu);
     mKMMainWidget->folderTree()->folderToPopupMenu( KMFolderTree::CopyMessage,
-        this, &mMenuToFolder, msgCopyMenu );
+        TQT_TQOBJECT(this), &mMenuToFolder, msgCopyMenu );
 
     // show most used actions
     mReplyAction->plug(menu);
diff --git a/kmail/sievedebugdialog.cpp b/kmail/sievedebugdialog.cpp
index d29b732d..75d07495 100644
--- a/kmail/sievedebugdialog.cpp
+++ b/kmail/sievedebugdialog.cpp
@@ -253,7 +253,7 @@ void SieveDebugDialog::slotDiagNextAccount()
     KMAccount *acc = mAccountList.first();
     mAccountList.pop_front();
 
-    mEdit->append( i18n( "Collecting data for account '%1'...\n" ).arg( acc->name() ) );
+    mEdit->append( i18n( "Collecting data for account '%1'...\n" ).tqarg( acc->name() ) );
     mEdit->append( i18n( "------------------------------------------------------------\n" ) );
     mAccountBase = dynamic_cast<KMail::ImapAccountBase *>( acc );
     if ( mAccountBase )
@@ -295,7 +295,7 @@ void SieveDebugDialog::slotDiagNextScript()
     TQString scriptFile = mScriptList.first();
     mScriptList.pop_front();
 
-    mEdit->append( i18n( "Contents of script '%1':\n" ).arg( scriptFile ) );
+    mEdit->append( i18n( "Contents of script '%1':\n" ).tqarg( scriptFile ) );
 
     mUrl = urlFromAccount( mAccountBase );
     mUrl.setFileName( scriptFile );
@@ -324,7 +324,7 @@ void SieveDebugDialog::slotGetScript( SieveJob * /* job */, bool success,
         mEdit->append( i18n(
             "------------------------------------------------------------\n"
             "%1\n"
-            "------------------------------------------------------------\n\n" ).arg( script ) );
+            "------------------------------------------------------------\n\n" ).tqarg( script ) );
     }
 
     // Fetch next script
@@ -363,7 +363,7 @@ void SieveDebugDialog::slotGetScriptList( SieveJob *job, bool success,
         for ( TQStringList::const_iterator it = scriptList.begin(); it != scriptList.end(); ++it )
             mEdit->append( "* " + *it + "\n" );
         mEdit->append( "\n" );
-        mEdit->append( i18n( "Active script: %1\n\n" ).arg( activeScript ) );
+        mEdit->append( i18n( "Active script: %1\n\n" ).tqarg( activeScript ) );
     }
 
     // Handle next job: dump scripts for this server
diff --git a/kmail/snippetwidget.cpp b/kmail/snippetwidget.cpp
index ac8d0ebf..12da0501 100644
--- a/kmail/snippetwidget.cpp
+++ b/kmail/snippetwidget.cpp
@@ -145,9 +145,9 @@ void SnippetWidget::slotAdd()
 SnippetItem* SnippetWidget::makeItem( SnippetItem* tqparent, const TQString& name, const TQString& text, const KShortcut& shortcut )
 {
     SnippetItem * item = new SnippetItem(tqparent, name, text);
-    const TQString actionName = i18n("Snippet %1").arg(name);
+    const TQString actionName = i18n("Snippet %1").tqarg(name);
     const TQString normalizedName = TQString(actionName).tqreplace(" ", "_");
-    if ( !mActionCollection->action(normalizedName.utf8() ) ) {
+    if ( !mActionCollection->action(normalizedName.utf8().data() ) ) {
         KAction * action = new KAction( actionName, shortcut, item,
                                         TQT_SLOT( slotExecute() ), mActionCollection,
                                         normalizedName.utf8() );
@@ -352,8 +352,8 @@ void SnippetWidget::writeConfig()
     SnippetGroup * group = dynamic_cast<SnippetGroup*>(item);
     if (group) {
       //kdDebug(5006) << "-->GROUP " << item->getName() << group->getId() << " " << iGroupCount<< endl;
-      strKeyName=TQString("snippetGroupName_%1").arg(iGroupCount);
-      strKeyId=TQString("snippetGroupId_%1").arg(iGroupCount);
+      strKeyName=TQString("snippetGroupName_%1").tqarg(iGroupCount);
+      strKeyId=TQString("snippetGroupId_%1").tqarg(iGroupCount);
 
       _cfg->writeEntry(strKeyName, group->getName());
       _cfg->writeEntry(strKeyId, group->getId());
@@ -361,9 +361,9 @@ void SnippetWidget::writeConfig()
       iGroupCount++;
     } else if (dynamic_cast<SnippetItem*>(item)) {
       //kdDebug(5006) << "-->ITEM " << item->getName() << item->getParent() << " " << iSnipCount << endl;
-      strKeyName=TQString("snippetName_%1").arg(iSnipCount);
-      strKeyText=TQString("snippetText_%1").arg(iSnipCount);
-      strKeyId=TQString("snippetParent_%1").arg(iSnipCount);
+      strKeyName=TQString("snippetName_%1").tqarg(iSnipCount);
+      strKeyText=TQString("snippetText_%1").tqarg(iSnipCount);
+      strKeyId=TQString("snippetParent_%1").tqarg(iSnipCount);
 
       _cfg->writeEntry(strKeyName, item->getName());
       _cfg->writeEntry(strKeyText, item->getText());
@@ -373,7 +373,7 @@ void SnippetWidget::writeConfig()
       assert( action );
       const KShortcut& sc = action->shortcut();
       if (!sc.isNull() ) {
-          _cfg->writeEntry( TQString("snippetShortcut_%1").arg(iSnipCount), sc.toString() );
+          _cfg->writeEntry( TQString("snippetShortcut_%1").tqarg(iSnipCount), sc.toString() );
       }
       iSnipCount++;
     } else {
@@ -389,8 +389,8 @@ void SnippetWidget::writeConfig()
   for ( it = _mapSaved.begin(); it != _mapSaved.end(); ++it ) {  //write the saved variable values
     if (it.data().length()<=0) continue;  //is the saved value has no length -> no need to save it
 
-    strKeyName=TQString("snippetSavedName_%1").arg(iCount);
-    strKeyText=TQString("snippetSavedVal_%1").arg(iCount);
+    strKeyName=TQString("snippetSavedName_%1").tqarg(iCount);
+    strKeyText=TQString("snippetSavedVal_%1").tqarg(iCount);
 
     _cfg->writeEntry(strKeyName, it.key());
     _cfg->writeEntry(strKeyText, it.data());
@@ -434,8 +434,8 @@ void SnippetWidget::initConfig()
   int iCount = _cfg->readNumEntry("snippetGroupCount", -1);
 
   for ( int i=0; i<iCount; i++) {  //read the group-list
-    strKeyName=TQString("snippetGroupName_%1").arg(i);
-    strKeyId=TQString("snippetGroupId_%1").arg(i);
+    strKeyName=TQString("snippetGroupName_%1").tqarg(i);
+    strKeyId=TQString("snippetGroupId_%1").tqarg(i);
 
     TQString strNameVal="";
     int iIdVal=-1;
@@ -460,9 +460,9 @@ void SnippetWidget::initConfig()
   if (iCount != -1) {
     iCount = _cfg->readNumEntry("snippetCount", 0);
     for ( int i=0; i<iCount; i++) {  //read the snippet-list
-        strKeyName=TQString("snippetName_%1").arg(i);
-        strKeyText=TQString("snippetText_%1").arg(i);
-        strKeyId=TQString("snippetParent_%1").arg(i);
+        strKeyName=TQString("snippetName_%1").tqarg(i);
+        strKeyText=TQString("snippetText_%1").tqarg(i);
+        strKeyId=TQString("snippetParent_%1").tqarg(i);
 
         TQString strNameVal="";
         TQString strTextVal="";
@@ -474,7 +474,7 @@ void SnippetWidget::initConfig()
         //kdDebug(5006) << "Read item " << strNameVal << " " << iParentVal << endl;
 
         if (strNameVal != "" && strTextVal != "" && iParentVal != -1) {
-            KShortcut shortcut( _cfg->readEntry( TQString("snippetShortcut_%1").arg(i), TQString() ) );
+            KShortcut shortcut( _cfg->readEntry( TQString("snippetShortcut_%1").tqarg(i), TQString() ) );
             item = makeItem( SnippetItem::findGroupById(iParentVal, _list), strNameVal, strTextVal, shortcut );
             //kdDebug(5006) << "Created item " << item->getName() << " " << item->getParent() << endl;
             _list.append(item);
@@ -487,8 +487,8 @@ void SnippetWidget::initConfig()
   iCount = _cfg->readNumEntry("snippetSavedCount", 0);
 
   for ( int i=1; i<=iCount; i++) {  //read the saved-values and store in TQMap
-    strKeyName=TQString("snippetSavedName_%1").arg(i);
-    strKeyText=TQString("snippetSavedVal_%1").arg(i);
+    strKeyName=TQString("snippetSavedName_%1").tqarg(i);
+    strKeyText=TQString("snippetSavedVal_%1").tqarg(i);
 
     TQString strNameVal="";
     TQString strTextVal="";
@@ -586,7 +586,7 @@ TQString SnippetWidget::parseText(TQString text, TQString del)
       if ( strName != del+del  ) {  //if not doubel-delimiter
         if (iInMeth == 0) { //if input-method "single" is selected
           if ( mapVar[strName].length() <= 0 ) {  // and not already in map
-            strMsg=i18n("Please enter the value for <b>%1</b>:").arg(strName);
+            strMsg=i18n("Please enter the value for <b>%1</b>:").tqarg(strName);
             strNew = showSingleVarDialog( strName, &_mapSaved, rSingle );
             if (strNew=="")
               return ""; //user clicked Cancle
@@ -799,7 +799,7 @@ TQString SnippetWidget::showSingleVarDialog(TQString var, TQMap<TQString, TQStri
 
   labTop = new TQLabel( &dlg, "label" );
   tqlayoutTop->addWidget(labTop, 0, 0);
-  labTop->setText(i18n("Enter the replacement values for %1:").arg( var ));
+  labTop->setText(i18n("Enter the replacement values for %1:").tqarg( var ));
   tqlayout->addMultiCellLayout( tqlayoutTop, 0, 0, 0, 1 );
 
 
diff --git a/kmail/subscriptiondialog.cpp b/kmail/subscriptiondialog.cpp
index 346cfa8c..e476749e 100644
--- a/kmail/subscriptiondialog.cpp
+++ b/kmail/subscriptiondialog.cpp
@@ -374,7 +374,7 @@ void SubscriptionDialog::doSave()
   if( !a->onlySubscribedFolders() ) {
       int result = KMessageBox::questionYesNoCancel( this,
               i18n("Currently subscriptions are not used for server. %1\nDo you want to enable subscriptions?")
-              .arg( a->name() ),
+              .tqarg( a->name() ),
               i18n("Enable Subscriptions?"), i18n("Enable"), i18n("Do Not Enable"));
       switch(result) {
           case KMessageBox::Yes:
diff --git a/kmail/templateparser.cpp b/kmail/templateparser.cpp
index d497f184..8e167f5f 100644
--- a/kmail/templateparser.cpp
+++ b/kmail/templateparser.cpp
@@ -261,7 +261,7 @@ void TemplateParser::processWithTemplate( const TQString &tmpl )
         } else if ( mDebug ) {
           KMessageBox::error( 0,
                               i18n( "Cannot insert content from file %1: %2" ).
-                              arg( path ).arg( file.errorString() ) );
+                              tqarg( path ).tqarg( file.errorString() ) );
         }
 
       } else if ( cmd.startsWith( "SYSTEM=" ) ) {
@@ -294,7 +294,7 @@ void TemplateParser::processWithTemplate( const TQString &tmpl )
         } else if ( mDebug ) {
           KMessageBox::error( 0,
                               i18n( "Cannot insert content from file %1: %2").
-                              arg( path ).arg(file.errorString() ));
+                              tqarg( path ).tqarg(file.errorString() ));
         }
 
       } else if ( cmd.startsWith( "TQUOTEPIPE=" ) ) {
@@ -396,7 +396,7 @@ void TemplateParser::processWithTemplate( const TQString &tmpl )
         kdDebug() << "Command: OTEXTSIZE" << endl;
         i += strlen( "OTEXTSIZE" );
         if ( mOrigMsg ) {
-          TQString str = TQString( "%1" ).arg( mOrigMsg->body().length() );
+          TQString str = TQString( "%1" ).tqarg( mOrigMsg->body().length() );
           body.append( str );
         }
 
@@ -967,7 +967,7 @@ void TemplateParser::addProcessedBodyToMessage( const TQString &body )
             DwParameter *nameParameter = new DwParameter;
             nameParameter->SetAttribute( "name" );
             nameParameter->SetValue( Util::dwString( KMMsgBase::encodeRFC2231StringAutoDetectCharset(
-                       i18n( "Attachment %1" ).arg( attachmentNumber ) ) ) );
+                       i18n( "Attachment %1" ).tqarg( attachmentNumber ) ) ) );
             ct.AddParameter( nameParameter );
           }
         }
@@ -1059,7 +1059,7 @@ TQString TemplateParser::findTemplate()
 
   TQString iid;
   if ( mIdentity ) {
-    iid = TQString("IDENTITY_%1").arg( mIdentity );	// templates ID for that identity
+    iid = TQString("IDENTITY_%1").tqarg( mIdentity );	// templates ID for that identity
   }
   else {
     iid = "IDENTITY_NO_IDENTITY"; // templates ID for no identity
@@ -1148,11 +1148,11 @@ TQString TemplateParser::pipe( const TQString &cmd, const TQString &buf )
             if ( mPipeErr.isEmpty() ) {
               KMessageBox::error( 0,
                                   i18n( "Pipe command exit with status %1: %2").
-                                  arg( mPipeRc ).arg( cmd ) );
+                                  tqarg( mPipeRc ).tqarg( cmd ) );
             } else {
               KMessageBox::detailedError( 0,
                                           i18n( "Pipe command exit with status %1: %2" ).
-                                          arg( mPipeRc ).arg( cmd ), mPipeErr );
+                                          tqarg( mPipeRc ).tqarg( cmd ), mPipeErr );
             }
           }
 
@@ -1163,11 +1163,11 @@ TQString TemplateParser::pipe( const TQString &cmd, const TQString &buf )
             if ( mPipeErr.isEmpty() ) {
               KMessageBox::error( 0,
                                   i18n( "Pipe command killed by signal %1: %2" ).
-                                  arg( -(mPipeRc) ).arg( cmd ) );
+                                  tqarg( -(mPipeRc) ).tqarg( cmd ) );
             } else {
               KMessageBox::detailedError( 0,
                                           i18n( "Pipe command killed by signal %1: %2" ).
-                                          arg( -(mPipeRc) ).arg( cmd ), mPipeErr );
+                                          tqarg( -(mPipeRc) ).tqarg( cmd ), mPipeErr );
             }
           }
         }
@@ -1179,7 +1179,7 @@ TQString TemplateParser::pipe( const TQString &cmd, const TQString &buf )
         if ( mDebug ) {
           KMessageBox::error( 0,
                               i18n( "Pipe command did not finish within %1 seconds: %2" ).
-                              arg( PipeTimeout ).arg( cmd ) );
+                              tqarg( PipeTimeout ).tqarg( cmd ) );
         }
       }
 
@@ -1190,11 +1190,11 @@ TQString TemplateParser::pipe( const TQString &cmd, const TQString &buf )
       if ( mDebug ) {
         if ( mPipeErr.isEmpty() ) {
           KMessageBox::error( 0,
-                              i18n( "Cannot write to process stdin: %1" ).arg( cmd ) );
+                              i18n( "Cannot write to process stdin: %1" ).tqarg( cmd ) );
         } else {
           KMessageBox::detailedError( 0,
                                       i18n( "Cannot write to process stdin: %1" ).
-                                      arg( cmd ), mPipeErr );
+                                      tqarg( cmd ), mPipeErr );
         }
       }
     }
@@ -1202,7 +1202,7 @@ TQString TemplateParser::pipe( const TQString &cmd, const TQString &buf )
   } else if ( mDebug ) {
     KMessageBox::error( 0,
                         i18n( "Cannot start pipe command from template: %1" ).
-                        arg( cmd ) );
+                        tqarg( cmd ) );
   }
 
   return mPipeOut;
diff --git a/kmail/templatesconfiguration.cpp b/kmail/templatesconfiguration.cpp
index 0e52599c..00bf87d9 100644
--- a/kmail/templatesconfiguration.cpp
+++ b/kmail/templatesconfiguration.cpp
@@ -102,7 +102,7 @@ TemplatesConfiguration::TemplatesConfiguration( TQWidget *tqparent, const char *
             "if they are specified.</p>"
             "</qt>" );
   }
-  mHelp->setText( i18n( "<a href=\"whatsthis:%1\">How does this work?</a>" ).arg( help ) );
+  mHelp->setText( i18n( "<a href=\"whatsthis:%1\">How does this work?</a>" ).tqarg( help ) );
 }
 
 void TemplatesConfiguration::slotTextChanged()
@@ -163,7 +163,7 @@ void TemplatesConfiguration::saveToGlobal()
 
 void TemplatesConfiguration::loadFromIdentity( uint id )
 {
-  Templates t( TQString("IDENTITY_%1").arg( id ) );
+  Templates t( TQString("IDENTITY_%1").tqarg( id ) );
 
   TQString str;
 
@@ -215,7 +215,7 @@ void TemplatesConfiguration::loadFromIdentity( uint id )
 
 void TemplatesConfiguration::saveToIdentity( uint id )
 {
-  Templates t( TQString("IDENTITY_%1").arg( id ) );
+  Templates t( TQString("IDENTITY_%1").tqarg( id ) );
 
   t.setTemplateNewMessage( strOrBlank( textEdit_new->text() ) );
   t.setTemplateReply( strOrBlank( textEdit_reply->text() ) );
@@ -231,7 +231,7 @@ void TemplatesConfiguration::loadFromFolder( TQString id, uint identity )
   Templates* tid = 0;
 
   if ( identity ) {
-    tid = new Templates( TQString("IDENTITY_%1").arg( identity ) );
+    tid = new Templates( TQString("IDENTITY_%1").tqarg( identity ) );
   }
 
   TQString str;
@@ -344,7 +344,7 @@ void TemplatesConfiguration::loadFromPhrases()
     "----------  %1  ----------\n"
     "%TEXT\n"
     "-------------------------------------------------------\n"
-    ) ).arg( convertPhrases( str ) ) );
+    ) ).tqarg( convertPhrases( str ) ) );
   }
   else {
     textEdit_forward->setText( defaultForward() );
@@ -400,7 +400,7 @@ void TemplatesConfiguration::importFromPhrases()
     "\n"
     "%TEXT\n"
     "-------------------------------------------------------\n"
-    ) ).arg( convertPhrases( str ) ) );
+    ) ).tqarg( convertPhrases( str ) ) );
   }
   else {
     GlobalSettings::self()->setTemplateForward( defaultForward() );
diff --git a/kmail/templatesinsertcommand.cpp b/kmail/templatesinsertcommand.cpp
index 2a33f3aa..90a14373 100644
--- a/kmail/templatesinsertcommand.cpp
+++ b/kmail/templatesinsertcommand.cpp
@@ -41,11 +41,11 @@ TemplatesInsertCommand::TemplatesInsertCommand( TQWidget *tqparent,
   KAction *action;
   KActionMenu *menu;
 
-  TQSignalMapper *mapper = new TQSignalMapper( this );
+  TQSignalMapper *mapper = new TQSignalMapper( TQT_TQOBJECT(this) );
   connect( mapper, TQT_SIGNAL( mapped(int) ),
            this, TQT_SLOT( slotMapped(int) ) );
 
-  mMenu = new KActionMenu( i18n( "Insert Command..." ), this );
+  mMenu = new KActionMenu( i18n( "Insert Command..." ), TQT_TQOBJECT(this) );
 
   // ******************************************************
   menu = new KActionMenu( i18n( "Original Message" ), mMenu );
diff --git a/kmail/urlhandlermanager.cpp b/kmail/urlhandlermanager.cpp
index e1707b1b..0ef6bfd2 100644
--- a/kmail/urlhandlermanager.cpp
+++ b/kmail/urlhandlermanager.cpp
@@ -53,7 +53,7 @@
 #include <algorithm>
 using std::for_each;
 using std::remove;
-using std::tqfind;
+using std::find;
 
 KMail::URLHandlerManager * KMail::URLHandlerManager::self = 0;
 
@@ -561,7 +561,7 @@ namespace {
     TQString displayName, libName, keyId;
     if ( !foundSMIMEData( url.path() + '#' + url.ref(), displayName, libName, keyId ) )
       return TQString();
-    return i18n("Show certificate 0x%1").arg( keyId );
+    return i18n("Show certificate 0x%1").tqarg( keyId );
   }
 }
 
@@ -689,8 +689,8 @@ namespace {
     if ( name.isEmpty() )
       name = msgPart.name();
     if ( !name.isEmpty() )
-      return i18n( "Attachment: %1" ).arg( name );
-    return i18n( "Attachment #%1 (unnamed)" ).arg( KMReaderWin::msgPartFromUrl( url ) );
+      return i18n( "Attachment: %1" ).tqarg( name );
+    return i18n( "Attachment #%1 (unnamed)" ).tqarg( KMReaderWin::msgPartFromUrl( url ) );
   }
 }
 
@@ -752,7 +752,7 @@ namespace {
 namespace {
   bool FallBackURLHandler::handleClick( const KURL & url, KMReaderWin * w ) const {
     if ( w )
-      w->emitUrlClicked( url, TQt::LeftButton );
+      w->emitUrlClicked( url, Qt::LeftButton );
     return true;
   }
 
diff --git a/kmail/util.cpp b/kmail/util.cpp
index 9586f70d..d153e9d3 100644
--- a/kmail/util.cpp
+++ b/kmail/util.cpp
@@ -146,7 +146,7 @@ void KMail::Util::append( TQByteArray& that, const TQByteArray& str )
   that.detach();
   uint len1 = that.size();
   uint len2 = str.size();
-  if ( that.resize( len1 + len2, TQByteArray::SpeedOptim ) )
+  if ( that.tqresize( len1 + len2, TQGArray::SpeedOptim ) )
     memcpy( that.data() + len1, str.data(), len2 );
 }
 
@@ -157,7 +157,7 @@ void KMail::Util::append( TQByteArray& that, const char* str )
   that.detach();
   uint len1 = that.size();
   uint len2 = tqstrlen(str);
-  if ( that.resize( len1 + len2, TQByteArray::SpeedOptim ) )
+  if ( that.tqresize( len1 + len2, TQGArray::SpeedOptim ) )
     memcpy( that.data() + len1, str, len2 );
 }
 
@@ -166,7 +166,7 @@ void KMail::Util::append( TQByteArray& that, const TQCString& str )
   that.detach();
   uint len1 = that.size();
   uint len2 = str.size() - 1;
-  if ( that.resize( len1 + len2, TQByteArray::SpeedOptim ) )
+  if ( that.tqresize( len1 + len2, TQGArray::SpeedOptim ) )
     memcpy( that.data() + len1, str.data(), len2 );
 }
 
@@ -180,13 +180,13 @@ void KMail::Util::insert( TQByteArray& that, uint index, const char* s )
   int nlen = olen + len;
   if ( index >= olen ) {                      // insert after end of string
     that.detach();
-    if ( that.resize(nlen+index-olen, TQByteArray::SpeedOptim ) ) {
+    if ( that.tqresize(nlen+index-olen, TQGArray::SpeedOptim ) ) {
       memset( that.data()+olen, ' ', index-olen );
       memcpy( that.data()+index, s, len );
     }
   } else {
     that.detach();
-    if ( that.resize(nlen, TQByteArray::SpeedOptim ) ) {    // normal insert
+    if ( that.tqresize(nlen, TQGArray::SpeedOptim ) ) {    // normal insert
       memmove( that.data()+index+len, that.data()+index, olen-index );
       memcpy( that.data()+index, s, len );
     }
diff --git a/kmail/util.h b/kmail/util.h
index 9f291a2e..0d1e263f 100644
--- a/kmail/util.h
+++ b/kmail/util.h
@@ -206,7 +206,7 @@ namespace Util {
                     KMessageBox::warningContinueCancel(
                         w,
                         i18n( "A file named \"%1\" already exists. "
-                            "Are you sure you want to overwrite it?" ).arg( url.prettyURL() ),
+                            "Are you sure you want to overwrite it?" ).tqarg( url.prettyURL() ),
                         i18n( "Overwrite File?" ),
                         i18n( "&Overwrite" ) ) )
                 return false;
diff --git a/kmail/vacation.cpp b/kmail/vacation.cpp
index edce8d85..d3440a97 100644
--- a/kmail/vacation.cpp
+++ b/kmail/vacation.cpp
@@ -475,12 +475,12 @@ namespace KMail {
                                      " { keep; stop; }\n" ); // FIXME?
 
     if ( !domain.isEmpty() ) // FIXME
-      script += TQString::tqfromLatin1( "if not address :domain :tqcontains \"from\" \"%1\" { keep; stop; }\n" ).arg( domain );
+      script += TQString::tqfromLatin1( "if not address :domain :tqcontains \"from\" \"%1\" { keep; stop; }\n" ).tqarg( domain );
 
     script += "vacation ";
     script += addressesArgument;
     if ( notificationInterval > 0 )
-      script += TQString::tqfromLatin1(":days %1 ").arg( notificationInterval );
+      script += TQString::tqfromLatin1(":days %1 ").tqarg( notificationInterval );
     script += TQString::tqfromLatin1("text:\n");
     script += dotstuff( messageText.isEmpty() ? defaultMessageText() : messageText );
     script += TQString::tqfromLatin1( "\n.\n;\n" );
@@ -573,7 +573,7 @@ namespace KMail {
 		"\n"
 		"Yours sincerely,\n"
 		"-- <enter your name and email address here>\n")
-      .arg( KGlobal::locale()->formatDate( TQDate::tqcurrentDate().addDays( 1 ) ) );
+      .tqarg( KGlobal::locale()->formatDate( TQDate::tqcurrentDate().addDays( 1 ) ) );
   }
 
   int Vacation::defaultNotificationInterval() {
diff --git a/kmail/vacationdialog.cpp b/kmail/vacationdialog.cpp
index 9e782adf..e2ca8e0c 100644
--- a/kmail/vacationdialog.cpp
+++ b/kmail/vacationdialog.cpp
@@ -96,7 +96,7 @@ namespace KMail {
     mDomainCheck->setChecked( false );
     mDomainEdit = new TQLineEdit( plainPage(), "mDomainEdit" );
     mDomainEdit->setEnabled( false );
-    mDomainEdit->setValidator( new TQRegExpValidator( TQRegExp( "[a-zA-Z0-9+-]+(?:\\.[a-zA-Z0-9+-]+)*" ), mDomainEdit ) );
+    mDomainEdit->setValidator( new TQRegExpValidator( TQRegExp( "[a-zA-Z0-9+-]+(?:\\.[a-zA-Z0-9+-]+)*" ), TQT_TQOBJECT(mDomainEdit) ) );
     glay->addWidget( mDomainCheck, row, 0 );
     glay->addWidget( mDomainEdit, row, 1 );
     connect( mDomainCheck, TQT_SIGNAL(toggled(bool)),
diff --git a/kmail/xfaceconfigurator.cpp b/kmail/xfaceconfigurator.cpp
index 1110641d..b49394dc 100644
--- a/kmail/xfaceconfigurator.cpp
+++ b/kmail/xfaceconfigurator.cpp
@@ -266,7 +266,7 @@ namespace KMail {
     TQString str = mTextEdit->text();
     if ( !str.isEmpty() )
     {
-      if ( str.startsWith("x-face:", false) )
+      if ( str.tqstartsWith("x-face:", false) )
       {
         str = str.remove("x-face:", false);
         mTextEdit->setText(str);
-- 
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