Automated update from qt3

106 files changed, 1138 insertions, 1138 deletions

diff --git a/ChangeLog.immodule b/ChangeLog.immodule
index 38422046..44acfd9c 100644
--- a/ChangeLog.immodule
+++ b/ChangeLog.immodule
@@ -384,7 +384,7 @@
 	* src/kernel/qapplication_x11.cpp
 	  - (create_im, close_im): Add #ifndef QT_NO_IM_EXTENSIONS
 	  - (create_xim, close_xim): Merge functions for QT_NO_IM_EXTENSIONS
-	  - (qt_init_internal, qt_cleanup): Merge code fragments for
+	  - (tqt_init_internal, tqt_cleanup): Merge code fragments for
 	    QT_NO_IM_EXTENSIONS
 	
 	* plugins/src/inputmethods/inputmethods.pro
diff --git a/doc/html/functions.html b/doc/html/functions.html
index 45b63c18..f5d7dee0 100644
--- a/doc/html/functions.html
+++ b/doc/html/functions.html
@@ -2116,7 +2116,7 @@ tqAddPostRoutine:
  <a href="ntqcstring.html#qstrncmp">TQCString</a><li>qstrncpy:
  <a href="ntqcstring.html#qstrncpy">TQCString</a><li>qstrnicmp:
  <a href="ntqcstring.html#qstrnicmp">TQCString</a><li>qtHandler:
- <a href="ntqerrormessage.html#qtHandler">TQErrorMessage</a><li>qt_find_obj_child:
+ <a href="ntqerrormessage.html#qtHandler">TQErrorMessage</a><li>tqt_find_obj_child:
  <a href="ntqobject.html#qt_find_obj_child">TQObject</a><li>qualifiedNames:
  <a href="ntqdns.html#qualifiedNames">TQDns</a><li>quality:
  <a href="qimageio.html#quality">TQImageIO</a><li>query:
diff --git a/doc/html/ntqobject.html b/doc/html/ntqobject.html
index a146ae64..d5d23adf 100644
--- a/doc/html/ntqobject.html
+++ b/doc/html/ntqobject.html
@@ -111,7 +111,7 @@ body { background: #ffffff; color: black; }
 </ul>
 <h2>Related Functions</h2>
 <ul>
-<li class=fn>void * <a href="#qt_find_obj_child"><b>qt_find_obj_child</b></a> ( TQObject&nbsp;*&nbsp;parent, const&nbsp;char&nbsp;*&nbsp;type, const&nbsp;char&nbsp;*&nbsp;name )</li>
+<li class=fn>void * <a href="#qt_find_obj_child"><b>tqt_find_obj_child</b></a> ( TQObject&nbsp;*&nbsp;parent, const&nbsp;char&nbsp;*&nbsp;type, const&nbsp;char&nbsp;*&nbsp;name )</li>
 </ul>
 <hr><a name="details"></a><h2>Detailed Description</h2>
 
@@ -932,13 +932,13 @@ for unnamed objects, you can call name( 0 ).
 
 <p>Set this property's value with <a href="#setName">setName</a>() and get this property's value with <a href="#name">name</a>().
 <hr><h2>Related Functions</h2>
-<h3 class=fn>void * <a name="qt_find_obj_child"></a>qt_find_obj_child ( <a href="ntqobject.html">TQObject</a>&nbsp;*&nbsp;parent, const&nbsp;char&nbsp;*&nbsp;type, const&nbsp;char&nbsp;*&nbsp;name )
+<h3 class=fn>void * <a name="qt_find_obj_child"></a>tqt_find_obj_child ( <a href="ntqobject.html">TQObject</a>&nbsp;*&nbsp;parent, const&nbsp;char&nbsp;*&nbsp;type, const&nbsp;char&nbsp;*&nbsp;name )
 </h3>
 
 <p> Returns a pointer to the object named <em>name</em> that inherits <em>type</em> and with a given <em>parent</em>.
 <p> Returns 0 if there is no such child.
 <p> <pre>
-        <a href="ntqlistbox.html">TQListBox</a> *c = (TQListBox *) <a href="#qt_find_obj_child">qt_find_obj_child</a>( myWidget, "TQListBox",
+        <a href="ntqlistbox.html">TQListBox</a> *c = (TQListBox *) <a href="#qt_find_obj_child">tqt_find_obj_child</a>( myWidget, "TQListBox",
                                                       "my list box" );
         if ( c )
             c-&gt;<a href="ntqlistbox.html#insertItem">insertItem</a>( "another string" );
diff --git a/doc/html/qapplication-h.html b/doc/html/qapplication-h.html
index cd72c34d..157ba7f0 100644
--- a/doc/html/qapplication-h.html
+++ b/doc/html/qapplication-h.html
@@ -364,11 +364,11 @@ private:
     friend void qt_mac_update_os_settings();
     friend bool qt_set_socket_handler( int, int, TQObject *, bool);
     friend void qt_mac_destroy_widget(TQWidget *);
-    friend void qt_init(int *, char **, TQApplication::Type);
+    friend void tqt_init(int *, char **, TQApplication::Type);
 #endif
 
 #ifdef QT_THREAD_SUPPORT
-    static TQMutex   *qt_mutex;
+    static TQMutex   *tqt_mutex;
 #endif // QT_THREAD_SUPPORT
 
     int		     app_argc;
@@ -443,7 +443,7 @@ private:
     friend class TQEvent;
     friend class TQTranslator;
     friend class TQEventLoop;
-    friend Q_EXPORT void qt_ucm_initialize( TQApplication * );
+    friend Q_EXPORT void tqt_ucm_initialize( TQApplication * );
 #if defined(Q_WS_WIN)
     friend bool qt_sendSpontaneousEvent( TQObject*, TQEvent* );
 #endif
diff --git a/doc/html/qaxbase-h.html b/doc/html/qaxbase-h.html
index d148e8b3..10440a1e 100644
--- a/doc/html/qaxbase-h.html
+++ b/doc/html/qaxbase-h.html
@@ -114,9 +114,9 @@ public:
 					    const TQVariant &amp;v8 = TQVariant() );
 
     virtual TQMetaObject *metaObject() const;
-    virtual bool qt_invoke( int, TQUObject* );
-    virtual bool qt_property( int, int, TQVariant* );
-    virtual bool qt_emit( int, TQUObject* ) = 0;
+    virtual bool tqt_invoke( int, TQUObject* );
+    virtual bool tqt_property( int, int, TQVariant* );
+    virtual bool tqt_emit( int, TQUObject* ) = 0;
     virtual const char *className() const = 0;
     virtual TQObject *qObject() = 0;
 
diff --git a/doc/html/qaxobject-h.html b/doc/html/qaxobject-h.html
index 654a15af..cc599c55 100644
--- a/doc/html/qaxobject-h.html
+++ b/doc/html/qaxobject-h.html
@@ -77,10 +77,10 @@ class TQAxObject : public TQObject, public TQAxBase
 public:
     TQMetaObject *metaObject() const;
     const char *className() const;
-    void* qt_cast( const char* );
-    bool qt_invoke( int, TQUObject* );
-    bool qt_emit( int, TQUObject* );
-    bool qt_property( int, int, TQVariant* );
+    void* tqt_cast( const char* );
+    bool tqt_invoke( int, TQUObject* );
+    bool tqt_emit( int, TQUObject* );
+    bool tqt_property( int, int, TQVariant* );
     TQObject* qObject() { return (TQObject*)this; }
 
     TQAxObject( TQObject *parent = 0, const char *name = 0 );
diff --git a/doc/html/qaxwidget-h.html b/doc/html/qaxwidget-h.html
index b6fc0135..14877c62 100644
--- a/doc/html/qaxwidget-h.html
+++ b/doc/html/qaxwidget-h.html
@@ -74,10 +74,10 @@ class TQAxWidget : public TQWidget, public TQAxBase
 public:
     TQMetaObject *metaObject() const;
     const char *className() const;
-    void* qt_cast( const char* );
-    bool qt_invoke( int, TQUObject* );
-    bool qt_emit( int, TQUObject* );
-    bool qt_property( int, int, TQVariant* );
+    void* tqt_cast( const char* );
+    bool tqt_invoke( int, TQUObject* );
+    bool tqt_emit( int, TQUObject* );
+    bool tqt_property( int, int, TQVariant* );
     TQObject* qObject() { return (TQObject*)this; }
 
     TQAxWidget( TQWidget* parent = 0, const char* name = 0, WFlags f = 0 );
diff --git a/doc/html/qfontmanager_qws-h.html b/doc/html/qfontmanager_qws-h.html
index 50a3e4b3..8c8da752 100644
--- a/doc/html/qfontmanager_qws-h.html
+++ b/doc/html/qfontmanager_qws-h.html
@@ -280,7 +280,7 @@ public:
     virtual TQString name()=0;
 };
 
-void qt_init_fonts();
+void tqt_init_fonts();
 
 extern TQFontManager * qt_fontmanager;
 
diff --git a/doc/html/qmetaobject-h.html b/doc/html/qmetaobject-h.html
index 410f4b12..6232c916 100644
--- a/doc/html/qmetaobject-h.html
+++ b/doc/html/qmetaobject-h.html
@@ -193,7 +193,7 @@ public:
 		 const TQMetaData * const signal_data, int n_signals,
 		 const TQMetaProperty *const prop_data, int n_props,
 		 const TQMetaEnum *const enum_data, int n_enums,
-		 bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+		 bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 		 const TQClassInfo *const class_info, int n_info );
 #endif
 
@@ -254,7 +254,7 @@ public:
 					const TQMetaData *const, int,
 					const TQMetaProperty *const prop_data, int n_props,
 					const TQMetaEnum *const enum_data, int n_enums,
-					 bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+					 bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 					const TQClassInfo *const  class_info, int n_info );
     TQStrList		enumeratorNames( bool super = FALSE ) const;
     int numEnumerators( bool super = FALSE ) const;
@@ -281,7 +281,7 @@ private:
 #ifndef QT_NO_PROPERTIES
     int propertyoffset;
 public:
-    bool qt_static_property( TQObject* o, int id, int f, TQVariant* v);
+    bool tqt_static_property( TQObject* o, int id, int f, TQVariant* v);
 private:
     friend class TQMetaProperty;
 #endif
diff --git a/doc/html/qpaintdevice-h.html b/doc/html/qpaintdevice-h.html
index 34c17d62..b25d9f77 100644
--- a/doc/html/qpaintdevice-h.html
+++ b/doc/html/qpaintdevice-h.html
@@ -290,8 +290,8 @@ protected:
 				 int, int, int, int, TQt::RasterOp, bool );
 #endif
 #if defined(Q_WS_X11)
-    friend void qt_init_internal( int *, char **, Display *, TQt::HANDLE, TQt::HANDLE );
-    friend void qt_cleanup();
+    friend void tqt_init_internal( int *, char **, Display *, TQt::HANDLE, TQt::HANDLE );
+    friend void tqt_cleanup();
 #endif
 
 private:
diff --git a/doc/html/qt.dcf b/doc/html/qt.dcf
index 1ed36b86..b0fe8e3f 100644
--- a/doc/html/qt.dcf
+++ b/doc/html/qt.dcf
@@ -5259,7 +5259,7 @@
     <keyword ref="ntqobject.html#tr">tr</keyword>
     <keyword ref="ntqobject.html#trUtf8">trUtf8</keyword>
     <keyword ref="ntqobject.html#~QObject">~QObject</keyword>
-    <keyword ref="ntqobject.html#qt_find_obj_child">qt_find_obj_child</keyword>
+    <keyword ref="ntqobject.html#qt_find_obj_child">tqt_find_obj_child</keyword>
     <section ref="qobject-members.html" title="List of All Member Functions"/>
     <section ref="qobject-h.html" title="Header File"/>
 </section>
diff --git a/doc/man/man3/qobject.3qt b/doc/man/man3/qobject.3qt
index e1e5e7a1..f0b0823c 100644
--- a/doc/man/man3/qobject.3qt
+++ b/doc/man/man3/qobject.3qt
@@ -959,14 +959,14 @@ See also className(), child(), and queryList().
 .PP
 Set this property's value with setName() and get this property's value with name().
 .SH RELATED FUNCTION DOCUMENTATION
-.SH "void * qt_find_obj_child ( QObject * parent, const char * type, const char * name )"
+.SH "void * tqt_find_obj_child ( QObject * parent, const char * type, const char * name )"
 Returns a pointer to the object named \fIname\fR that inherits \fItype\fR and with a given \fIparent\fR.
 .PP
 Returns 0 if there is no such child.
 .PP
 .nf
 .br
-        QListBox *c = (QListBox *) qt_find_obj_child( myWidget, "QListBox",
+        QListBox *c = (QListBox *) tqt_find_obj_child( myWidget, "QListBox",
 .br
                                                       "my list box" );
 .br
diff --git a/examples/extension/mainform.ui.h b/examples/extension/mainform.ui.h
index 350d4941..1eab636f 100644
--- a/examples/extension/mainform.ui.h
+++ b/examples/extension/mainform.ui.h
@@ -23,7 +23,7 @@ void MainForm::init()
 void MainForm::optionsDlg()
 {
     DialogForm *dlg = new DialogForm( this, "dialog", TRUE );
-    Extension *ext = (Extension*)dlg->extension()->qt_cast( "Extension" );
+    Extension *ext = (Extension*)dlg->extension()->tqt_cast( "Extension" );
     if ( !ext )
 	return;
     dlg->sessionsCheckBox->setChecked( sessions );
diff --git a/extensions/nsplugin/src/qnp.cpp b/extensions/nsplugin/src/qnp.cpp
index d60bc8f4..492da180 100644
--- a/extensions/nsplugin/src/qnp.cpp
+++ b/extensions/nsplugin/src/qnp.cpp
@@ -1680,7 +1680,7 @@ void TQNPXtPrivate::unhook()
     appContext = ownContext = 0;
 }
 
-extern bool qt_try_modal( TQWidget *, XEvent * ); // defined in qapplication_x11.cpp
+extern bool tqt_try_modal( TQWidget *, XEvent * ); // defined in qapplication_x11.cpp
 Boolean qnpxt_event_dispatcher( XEvent *event )
 {
     static bool grabbed = FALSE;
@@ -1786,7 +1786,7 @@ Boolean qnpxt_event_dispatcher( XEvent *event )
     if ( TQApplication::activeModalWidget() ) {
 	if ( qnpxt ) {
 	    // send event through TQt modality handling...
-	    if ( !qt_try_modal( qnpxt, event ) ) {
+	    if ( !tqt_try_modal( qnpxt, event ) ) {
 		// tqDebug( "TQt: active modal widget discarded event" );
 		return True;
 	    }
diff --git a/src/dialogs/qcolordialog.cpp b/src/dialogs/qcolordialog.cpp
index fada7554..a4863f86 100644
--- a/src/dialogs/qcolordialog.cpp
+++ b/src/dialogs/qcolordialog.cpp
@@ -327,7 +327,7 @@ void TQWellArray::setSelected( int row, int col )
     if ( row >= 0 )
 	emit selected( row, col );
 
-    if ( isVisible() && ::qt_cast<TQPopupMenu*>(parentWidget()) )
+    if ( isVisible() && ::tqt_cast<TQPopupMenu*>(parentWidget()) )
 	parentWidget()->close();
 }
 
diff --git a/src/dialogs/qdialog.cpp b/src/dialogs/qdialog.cpp
index 90974de0..4f40ded2 100644
--- a/src/dialogs/qdialog.cpp
+++ b/src/dialogs/qdialog.cpp
@@ -744,7 +744,7 @@ void TQDialog::show()
 	TQWidget *first = fd->next(); // Get first main widget
 	if ( d->mainDef &&
 	     first != d->mainDef &&
-	     ::qt_cast<TQPushButton*>(first) )
+	     ::tqt_cast<TQPushButton*>(first) )
 	    d->mainDef->setFocus();
     }
 
@@ -759,7 +759,7 @@ void TQDialog::show()
 	    TQWidget *candidate = home;
 	    Q_ASSERT( candidate == fw );
 	    do {
-		TQPushButton *pb = ::qt_cast<TQPushButton*>(candidate);
+		TQPushButton *pb = ::tqt_cast<TQPushButton*>(candidate);
 		if ( pb && pb->autoDefault() ) {
 		    pb->setDefault( TRUE );
 		    break;
diff --git a/src/dialogs/qwizard.cpp b/src/dialogs/qwizard.cpp
index 30720e83..a11094a6 100644
--- a/src/dialogs/qwizard.cpp
+++ b/src/dialogs/qwizard.cpp
@@ -446,7 +446,7 @@ void TQWizard::help()
 	return;
 
 #if 0
-    TQWizardPage *wpage = ::qt_cast<TQWizardPage*>(page);
+    TQWizardPage *wpage = ::tqt_cast<TQWizardPage*>(page);
     if ( wpage )
 	emit wpage->helpClicked();
 #endif
diff --git a/src/kernel/ntqapplication.h b/src/kernel/ntqapplication.h
index 02c1993d..98a0ef0e 100644
--- a/src/kernel/ntqapplication.h
+++ b/src/kernel/ntqapplication.h
@@ -342,7 +342,7 @@ private:
     friend void qt_mac_update_os_settings();
     friend bool qt_set_socket_handler( int, int, TQObject *, bool);
     friend void qt_mac_destroy_widget(TQWidget *);
-    friend void qt_init(int *, char **, TQApplication::Type);
+    friend void tqt_init(int *, char **, TQApplication::Type);
 #endif
 
 #if defined(Q_WS_X11)
@@ -352,7 +352,7 @@ private slots:
 
 private:
 #ifdef QT_THREAD_SUPPORT
-    static TQMutex   *qt_mutex;
+    static TQMutex   *tqt_mutex;
 #endif // QT_THREAD_SUPPORT
 
     int		     app_argc;
@@ -431,7 +431,7 @@ private:
     friend class TQEvent;
     friend class TQTranslator;
     friend class TQEventLoop;
-    friend Q_EXPORT void qt_ucm_initialize( TQApplication * );
+    friend Q_EXPORT void tqt_ucm_initialize( TQApplication * );
 #if defined(Q_WS_WIN)
     friend bool qt_sendSpontaneousEvent( TQObject*, TQEvent* );
 #endif
diff --git a/src/kernel/ntqmetaobject.h b/src/kernel/ntqmetaobject.h
index c8289a1d..6c8fb094 100644
--- a/src/kernel/ntqmetaobject.h
+++ b/src/kernel/ntqmetaobject.h
@@ -157,7 +157,7 @@ public:
 		 const TQMetaData * const signal_data, int n_signals,
 		 const TQMetaProperty *const prop_data, int n_props,
 		 const TQMetaEnum *const enum_data, int n_enums,
-		 bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+		 bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 		 const TQClassInfo *const class_info, int n_info );
 #endif
 
@@ -218,7 +218,7 @@ public:
 					const TQMetaData *const, int,
 					const TQMetaProperty *const prop_data, int n_props,
 					const TQMetaEnum *const enum_data, int n_enums,
-					 bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+					 bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 					const TQClassInfo *const  class_info, int n_info );
     TQStrList		enumeratorNames( bool super = FALSE ) const;
     int numEnumerators( bool super = FALSE ) const;
@@ -245,7 +245,7 @@ private:
 #ifndef QT_NO_PROPERTIES
     int propertyoffset;
 public:
-    bool qt_static_property( TQObject* o, int id, int f, TQVariant* v);
+    bool tqt_static_property( TQObject* o, int id, int f, TQVariant* v);
 private:
     friend class TQMetaProperty;
 #endif
diff --git a/src/kernel/ntqobjectdefs.h b/src/kernel/ntqobjectdefs.h
index d9b18722..4d4e794f 100644
--- a/src/kernel/ntqobjectdefs.h
+++ b/src/kernel/ntqobjectdefs.h
@@ -64,8 +64,8 @@
 
 #ifndef QT_NO_PROPERTIES
 # define QT_PROP_FUNCTIONS \
-    virtual bool qt_property( int id, int f, TQVariant* v); \
-    static bool qt_static_property( TQObject* , int, int, TQVariant* );
+    virtual bool tqt_property( int id, int f, TQVariant* v); \
+    static bool tqt_static_property( TQObject* , int, int, TQVariant* );
 #else
 # define QT_PROP_FUNCTIONS
 #endif
@@ -106,9 +106,9 @@ public:									\
          return staticMetaObject();					\
     }									\
     virtual const char *className() const;				\
-    virtual void* qt_cast( const char* ); 				\
-    virtual bool qt_invoke( int, TQUObject* ); 				\
-    virtual bool qt_emit( int, TQUObject* ); 				\
+    virtual void* tqt_cast( const char* ); 				\
+    virtual bool tqt_invoke( int, TQUObject* ); 				\
+    virtual bool tqt_emit( int, TQUObject* ); 				\
     QT_PROP_FUNCTIONS							\
     static TQMetaObject* staticMetaObject();				\
     TQObject* qObject() { return (TQObject*)this; } 			\
@@ -165,13 +165,13 @@ class TQObjectList;
 class TQObjectListIt;
 class TQMemberDict;
 
-Q_EXPORT void *qt_find_obj_child( TQObject *, const char *, const char * );
+Q_EXPORT void *tqt_find_obj_child( TQObject *, const char *, const char * );
 #define Q_CHILD(parent,type,name) \
-	((type*)qt_find_obj_child(parent,#type,name))
+	((type*)tqt_find_obj_child(parent,#type,name))
 
-Q_EXPORT void *qt_inheritedBy( TQMetaObject *super, const TQObject *cls );
+Q_EXPORT void *tqt_inheritedBy( TQMetaObject *super, const TQObject *cls );
 
 template <typename T>
-Q_INLINE_TEMPLATES T qt_cast(const TQObject *object)
-{ return (T)qt_inheritedBy( ((T)0)->staticMetaObject(), object ); }
+Q_INLINE_TEMPLATES T tqt_cast(const TQObject *object)
+{ return (T)tqt_inheritedBy( ((T)0)->staticMetaObject(), object ); }
 #endif // TQOBJECTDEFS_H
diff --git a/src/kernel/ntqpaintdevice.h b/src/kernel/ntqpaintdevice.h
index 8b54afb4..898f9178 100644
--- a/src/kernel/ntqpaintdevice.h
+++ b/src/kernel/ntqpaintdevice.h
@@ -254,8 +254,8 @@ protected:
 				 int, int, int, int, TQt::RasterOp, bool );
 #endif
 #if defined(Q_WS_X11)
-    friend void qt_init_internal( int *, char **, Display *, TQt::HANDLE, TQt::HANDLE );
-    friend void qt_cleanup();
+    friend void tqt_init_internal( int *, char **, Display *, TQt::HANDLE, TQt::HANDLE );
+    friend void tqt_cleanup();
 #endif
 
 private:
diff --git a/src/kernel/qabstractlayout.cpp b/src/kernel/qabstractlayout.cpp
index b0f0e8be..69cee62f 100644
--- a/src/kernel/qabstractlayout.cpp
+++ b/src/kernel/qabstractlayout.cpp
@@ -771,7 +771,7 @@ TQWidget *TQLayout::mainWidget()
 {
     if ( !topLevel ) {
 	if ( parent() ) {
-	    TQLayout *parentLayout = ::qt_cast<TQLayout*>(parent());
+	    TQLayout *parentLayout = ::tqt_cast<TQLayout*>(parent());
 	    Q_ASSERT(parentLayout);
 	    return parentLayout->mainWidget();
 	} else {
@@ -891,7 +891,7 @@ bool TQLayout::eventFilter( TQObject *o, TQEvent *e )
 		TQWidget *w = (TQWidget *)c->child();
 		if ( !w->isTopLevel() ) {
 #if !defined(QT_NO_MENUBAR) && !defined(QT_NO_TOOLBAR)
-		    if ( ::qt_cast<TQMenuBar*>(w) && !::qt_cast<TQToolBar*>(w->parentWidget()) )
+		    if ( ::tqt_cast<TQMenuBar*>(w) && !::tqt_cast<TQToolBar*>(w->parentWidget()) )
 			menubar = (TQMenuBar *)w;
 		    else
 #endif
diff --git a/src/kernel/qaccel.cpp b/src/kernel/qaccel.cpp
index 3f761991..3acc3da5 100644
--- a/src/kernel/qaccel.cpp
+++ b/src/kernel/qaccel.cpp
@@ -193,15 +193,15 @@ private:
 };
 TQAccelManager* TQAccelManager::self_ptr = 0;
 
-bool Q_EXPORT qt_tryAccelEvent( TQWidget* w, TQKeyEvent*  e){
+bool Q_EXPORT tqt_tryAccelEvent( TQWidget* w, TQKeyEvent*  e){
     return TQAccelManager::self()->tryAccelEvent( w, e );
 }
 
-bool Q_EXPORT qt_dispatchAccelEvent( TQWidget* w, TQKeyEvent*  e){
+bool Q_EXPORT tqt_dispatchAccelEvent( TQWidget* w, TQKeyEvent*  e){
     return TQAccelManager::self()->dispatchAccelEvent( w, e );
 }
 
-bool Q_EXPORT qt_tryComposeUnicode( TQWidget* w, TQKeyEvent*  e){
+bool Q_EXPORT tqt_tryComposeUnicode( TQWidget* w, TQKeyEvent*  e){
     return TQAccelManager::self()->tryComposeUnicode( w, e );
 }
 
@@ -229,7 +229,7 @@ bool TQAccelManager::correctSubWindow( TQWidget* w, TQAccelPrivate* d ) {
     /* if we live in a floating dock window, keep our parent's
      * accelerators working */
 #ifndef QT_NO_MAINWINDOW
-    if ( tlw->isDialog() && tlw->parentWidget() && ::qt_cast<TQDockWindow*>(tlw) )
+    if ( tlw->isDialog() && tlw->parentWidget() && ::tqt_cast<TQDockWindow*>(tlw) )
 	return tlw->parentWidget()->topLevelWidget() == wtlw;
 
     if ( wtlw  != tlw )
diff --git a/src/kernel/qapplication.cpp b/src/kernel/qapplication.cpp
index 8cc05071..3dc3db74 100644
--- a/src/kernel/qapplication.cpp
+++ b/src/kernel/qapplication.cpp
@@ -312,28 +312,28 @@
 */
 
 /*
-  The qt_init() and qt_cleanup() functions are implemented in the
+  The tqt_init() and tqt_cleanup() functions are implemented in the
   qapplication_xyz.cpp file.
 */
 
-void qt_init( int *, char **, TQApplication::Type );
-void qt_cleanup();
+void tqt_init( int *, char **, TQApplication::Type );
+void tqt_cleanup();
 #if defined(Q_WS_X11)
-void qt_init( Display* dpy, TQt::HANDLE, TQt::HANDLE );
+void tqt_init( Display* dpy, TQt::HANDLE, TQt::HANDLE );
 #endif
-Q_EXPORT bool qt_tryModalHelper( TQWidget *widget, TQWidget **rettop );
+Q_EXPORT bool tqt_tryModalHelper( TQWidget *widget, TQWidget **rettop );
 
 TQApplication *tqApp = 0;			// global application object
 
 TQStyle   *TQApplication::app_style      = 0;	// default application style
-bool      qt_explicit_app_style	       = FALSE; // style explicitly set by programmer
+bool      tqt_explicit_app_style	       = FALSE; // style explicitly set by programmer
 
 int	  TQApplication::app_cspec      = TQApplication::NormalColor;
 #ifndef QT_NO_PALETTE
 TQPalette *TQApplication::app_pal	       = 0;	// default application palette
 #endif
 TQFont	 *TQApplication::app_font       = 0;	// default application font
-bool	  qt_app_has_font	       = FALSE;
+bool	  tqt_app_has_font	       = FALSE;
 #ifndef QT_NO_CURSOR
 TQCursor	 *TQApplication::app_cursor     = 0;	// default application cursor
 #endif
@@ -350,10 +350,10 @@ int	  TQApplication::mouse_double_click_time = 400;	// mouse dbl click limit
 #ifndef QT_NO_WHEELEVENT
 int	  TQApplication::wheel_scroll_lines = 3;		// number of lines to scroll
 #endif
-bool	  qt_is_gui_used;
+bool	  tqt_is_gui_used;
 bool      Q_EXPORT tqt_resolve_symlinks = TRUE;
 bool      Q_EXPORT tqt_tab_all_widgets  = TRUE;
-TQRect qt_maxWindowRect;
+TQRect tqt_maxWindowRect;
 static int drag_time = 500;
 static int drag_distance = 4;
 static bool reverse_layout = FALSE;
@@ -366,7 +366,7 @@ bool	  TQApplication::animate_tooltip	= FALSE;
 bool	  TQApplication::fade_tooltip	= FALSE;
 bool	  TQApplication::animate_toolbox	= FALSE;
 bool	  TQApplication::widgetCount	= FALSE;
-TQApplication::Type qt_appType=TQApplication::Tty;
+TQApplication::Type tqt_appType=TQApplication::Tty;
 #ifndef QT_NO_COMPONENT
 TQStringList *TQApplication::app_libpaths = 0;
 #endif
@@ -374,29 +374,29 @@ bool	  TQApplication::metaComposeUnicode = FALSE;
 int	  TQApplication::composedUnicode   = 0;
 
 #ifdef QT_THREAD_SUPPORT
-TQMutex *TQApplication::qt_mutex		= 0;
+TQMutex *TQApplication::tqt_mutex		= 0;
 static TQMutex *postevent_mutex		= 0;
-static TQt::HANDLE qt_application_thread_id = 0;
+static TQt::HANDLE tqt_application_thread_id = 0;
 Q_EXPORT TQt::HANDLE tqt_get_application_thread_id()
 {
-    return qt_application_thread_id;
+    return tqt_application_thread_id;
 }
 #endif // QT_THREAD_SUPPORT
 
 TQEventLoop *TQApplication::eventloop = 0;	// application event loop
 
 #ifndef QT_NO_ACCEL
-extern bool qt_dispatchAccelEvent( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
-extern bool qt_tryComposeUnicode( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
+extern bool tqt_dispatchAccelEvent( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
+extern bool tqt_tryComposeUnicode( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
 #endif
 
 #if defined(QT_TABLET_SUPPORT)
 bool chokeMouse = FALSE;
 #endif
 
-void qt_setMaxWindowRect(const TQRect& r)
+void tqt_setMaxWindowRect(const TQRect& r)
 {
-    qt_maxWindowRect = r;
+    tqt_maxWindowRect = r;
     // Re-resize any maximized windows
     TQWidgetList* l = TQApplication::topLevelWidgets();
     if ( l ) {
@@ -510,11 +510,11 @@ TQString *TQApplication::session_key = 0;		// ## session key. Should be a member
 #endif
 TQWidgetList *TQApplication::popupWidgets = 0;	// has keyboard input focus
 
-TQDesktopWidget *qt_desktopWidget = 0;		// root window widgets
+TQDesktopWidget *tqt_desktopWidget = 0;		// root window widgets
 #ifndef QT_NO_CLIPBOARD
-TQClipboard	      *qt_clipboard = 0;	// global clipboard object
+TQClipboard	      *tqt_clipboard = 0;	// global clipboard object
 #endif
-TQWidgetList * qt_modal_stack=0;		// stack of modal widgets
+TQWidgetList * tqt_modal_stack=0;		// stack of modal widgets
 
 // Definitions for posted events
 struct TQPostEvent {
@@ -553,12 +553,12 @@ uint qGlobalPostedEventsCount()
 static TQSingleCleanupHandler<TQPostEventList> qapp_cleanup_events;
 
 #ifndef QT_NO_PALETTE
-TQPalette *qt_std_pal = 0;
+TQPalette *tqt_std_pal = 0;
 
-void qt_create_std_palette()
+void tqt_create_std_palette()
 {
-    if ( qt_std_pal )
-	delete qt_std_pal;
+    if ( tqt_std_pal )
+	delete tqt_std_pal;
 
     TQColor standardLightGray( 192, 192, 192 );
     TQColor light( 255, 255, 255 );
@@ -572,10 +572,10 @@ void qt_create_std_palette()
     TQColorGroup std_inact( TQt::black, standardLightGray,
 			   light, dark, TQt::gray,
 			   TQt::black, TQt::white );
-    qt_std_pal = new TQPalette( std_act, std_dis, std_inact );
+    tqt_std_pal = new TQPalette( std_act, std_dis, std_inact );
 }
 
-static void qt_fix_tooltips()
+static void tqt_fix_tooltips()
 {
     // No resources for this yet (unlike on Windows).
     TQColorGroup cg( TQt::black, TQColor(255,255,220),
@@ -589,7 +589,7 @@ static void qt_fix_tooltips()
 void TQApplication::process_cmdline( int* argcptr, char ** argv )
 {
     // process platform-indep command line
-    if ( !qt_is_gui_used || !*argcptr)
+    if ( !tqt_is_gui_used || !*argcptr)
 	return;
 
     int argc = *argcptr;
@@ -789,7 +789,7 @@ TQApplication::TQApplication( int &argc, char **argv, Type type )
     construct( argc, argv, type );
 }
 
-Q_EXPORT void qt_ucm_initialize( TQApplication *theApp )
+Q_EXPORT void tqt_ucm_initialize( TQApplication *theApp )
 {
     if ( tqApp )
 	return;
@@ -802,8 +802,8 @@ Q_EXPORT void qt_ucm_initialize( TQApplication *theApp )
 
 void TQApplication::construct( int &argc, char **argv, Type type )
 {
-    qt_appType = type;
-    qt_is_gui_used = (type != Tty);
+    tqt_appType = type;
+    tqt_is_gui_used = (type != Tty);
     init_precmdline();
     static const char *empty = "";
     if ( argc == 0 || argv == 0 ) {
@@ -813,11 +813,11 @@ void TQApplication::construct( int &argc, char **argv, Type type )
     app_argc = argc;
     app_argv = argv;
 
-    qt_init( &argc, argv, type );   // Must be called before initialize()
+    tqt_init( &argc, argv, type );   // Must be called before initialize()
     process_cmdline( &argc, argv );
     initialize( argc, argv );
-    if ( qt_is_gui_used )
-	qt_maxWindowRect = desktop()->rect();
+    if ( tqt_is_gui_used )
+	tqt_maxWindowRect = desktop()->rect();
     if ( eventloop )
 	eventloop->appStartingUp();
 }
@@ -828,7 +828,7 @@ void TQApplication::construct( int &argc, char **argv, Type type )
 
 TQApplication::Type TQApplication::type() const
 {
-    return qt_appType;
+    return tqt_appType;
 }
 
 #if defined(Q_WS_X11)
@@ -854,9 +854,9 @@ TQApplication::TQApplication( Display* dpy, HANDLE visual, HANDLE colormap )
     app_argc = aargc;
     app_argv = aargv;
 
-    qt_appType = GuiClient;
-    qt_is_gui_used = TRUE;
-    qt_appType = GuiClient;
+    tqt_appType = GuiClient;
+    tqt_is_gui_used = TRUE;
+    tqt_appType = GuiClient;
     init_precmdline();
     // ... no command line.
 
@@ -865,15 +865,15 @@ TQApplication::TQApplication( Display* dpy, HANDLE visual, HANDLE colormap )
 	tqWarning( "TQApplication: invalid Display* argument." );
 #endif // QT_CHECK_STATE
 
-	qt_init( &aargc, aargv, GuiClient );
+	tqt_init( &aargc, aargv, GuiClient );
     } else {
-	qt_init( dpy, visual, colormap );
+	tqt_init( dpy, visual, colormap );
     }
 
     initialize( aargc, aargv );
 
-    if ( qt_is_gui_used )
-	qt_maxWindowRect = desktop()->rect();
+    if ( tqt_is_gui_used )
+	tqt_maxWindowRect = desktop()->rect();
     if ( eventloop )
 	eventloop->appStartingUp();
 }
@@ -893,9 +893,9 @@ TQApplication::TQApplication( Display* dpy, HANDLE visual, HANDLE colormap )
 TQApplication::TQApplication(Display *dpy, int argc, char **argv,
 			   HANDLE visual, HANDLE colormap)
 {
-    qt_appType = GuiClient;
-    qt_is_gui_used = TRUE;
-    qt_appType = GuiClient;
+    tqt_appType = GuiClient;
+    tqt_is_gui_used = TRUE;
+    tqt_appType = GuiClient;
     init_precmdline();
 
     app_argc = argc;
@@ -906,16 +906,16 @@ TQApplication::TQApplication(Display *dpy, int argc, char **argv,
 	tqWarning( "TQApplication: invalid Display* argument." );
 #endif // QT_CHECK_STATE
 
-	qt_init( &argc, argv, GuiClient );
+	tqt_init( &argc, argv, GuiClient );
     } else {
-	qt_init(dpy, visual, colormap);
+	tqt_init(dpy, visual, colormap);
     }
 
     process_cmdline( &argc, argv );
     initialize(argc, argv);
 
-    if ( qt_is_gui_used )
-	qt_maxWindowRect = desktop()->rect();
+    if ( tqt_is_gui_used )
+	tqt_maxWindowRect = desktop()->rect();
     if ( eventloop )
 	eventloop->appStartingUp();
 }
@@ -945,9 +945,9 @@ void TQApplication::init_precmdline()
 void TQApplication::initialize( int argc, char **argv )
 {
 #ifdef QT_THREAD_SUPPORT
-    qt_mutex = new TQMutex( TRUE );
+    tqt_mutex = new TQMutex( TRUE );
     postevent_mutex = new TQMutex( TRUE );
-    qt_application_thread_id = TQThread::currentThread();
+    tqt_application_thread_id = TQThread::currentThread();
 #endif // QT_THREAD_SUPPORT
 
     app_argc = argc;
@@ -1012,7 +1012,7 @@ TQWidget *TQApplication::activePopupWidget()
 
 TQWidget *TQApplication::activeModalWidget()
 {
-    return qt_modal_stack ? qt_modal_stack->getFirst() : 0;
+    return tqt_modal_stack ? tqt_modal_stack->getFirst() : 0;
 }
 
 /*!
@@ -1024,9 +1024,9 @@ TQApplication::~TQApplication()
 {
 #ifndef QT_NO_CLIPBOARD
     // flush clipboard contents
-    if ( qt_clipboard ) {
+    if ( tqt_clipboard ) {
 	TQCustomEvent event( TQEvent::Clipboard );
-	TQApplication::sendEvent( qt_clipboard, &event );
+	TQApplication::sendEvent( tqt_clipboard, &event );
     }
 #endif
 
@@ -1046,18 +1046,18 @@ TQApplication::~TQApplication()
     TQObject *tipmanager = child( "toolTipManager", "TQTipManager", FALSE );
     delete tipmanager;
 
-    delete qt_desktopWidget;
-    qt_desktopWidget = 0;
+    delete tqt_desktopWidget;
+    tqt_desktopWidget = 0;
     is_app_closing = TRUE;
 
 #ifndef QT_NO_CLIPBOARD
-    delete qt_clipboard;
-    qt_clipboard = 0;
+    delete tqt_clipboard;
+    tqt_clipboard = 0;
 #endif
     TQWidget::destroyMapper();
 #ifndef QT_NO_PALETTE
-    delete qt_std_pal;
-    qt_std_pal = 0;
+    delete tqt_std_pal;
+    tqt_std_pal = 0;
     delete app_pal;
     app_pal = 0;
     delete app_palettes;
@@ -1084,7 +1084,7 @@ TQApplication::~TQApplication()
     delete qt_dnd_manager;
 #endif
 
-    qt_cleanup();
+    tqt_cleanup();
 
 #ifndef QT_NO_COMPONENT
     delete app_libpaths;
@@ -1092,8 +1092,8 @@ TQApplication::~TQApplication()
 #endif
 
 #ifdef QT_THREAD_SUPPORT
-    delete qt_mutex;
-    qt_mutex = 0;
+    delete tqt_mutex;
+    tqt_mutex = 0;
     delete postevent_mutex;
     postevent_mutex = 0;
 #endif // QT_THREAD_SUPPORT
@@ -1115,8 +1115,8 @@ TQApplication::~TQApplication()
     session_key = 0;
 #endif //QT_NO_SESSIONMANAGER
 
-    qt_explicit_app_style = FALSE;
-    qt_app_has_font = FALSE;
+    tqt_explicit_app_style = FALSE;
+    tqt_app_has_font = FALSE;
     app_tracking = 0;
     obey_desktop_settings = TRUE;
     cursor_flash_time = 1000;
@@ -1213,7 +1213,7 @@ TQStyle& TQApplication::style()
 #ifndef QT_NO_STYLE
     if ( app_style )
 	return *app_style;
-    if ( !qt_is_gui_used )
+    if ( !tqt_is_gui_used )
 	tqFatal( "No style available in non-gui applications!" );
 
 #if defined(Q_WS_X11)
@@ -1305,7 +1305,7 @@ void TQApplication::setStyle( TQStyle *style )
     TQStyle* old = app_style;
     app_style = style;
 #ifdef Q_WS_X11
-    qt_explicit_app_style = TRUE;
+    tqt_explicit_app_style = TRUE;
 #endif // Q_WS_X11
 
     if ( startingUp() ) {
@@ -1332,9 +1332,9 @@ void TQApplication::setStyle( TQStyle *style )
     // take care of possible palette requirements of certain gui
     // styles. Do it before polishing the application since the style
     // might call TQApplication::setStyle() itself
-    if ( !qt_std_pal )
-	qt_create_std_palette();
-    TQPalette tmpPal = *qt_std_pal;
+    if ( !tqt_std_pal )
+	tqt_create_std_palette();
+    TQPalette tmpPal = *tqt_std_pal;
     setPalette( tmpPal, TRUE );
 
     // initialize the application with the new style
@@ -1381,7 +1381,7 @@ void TQApplication::setStyle( TQStyle *style )
 TQStyle* TQApplication::setStyle( const TQString& style )
 {
 #ifdef Q_WS_X11
-    qt_explicit_app_style = TRUE;
+    tqt_explicit_app_style = TRUE;
 #endif // Q_WS_X11
 
     if ( startingUp() ) {
@@ -1826,10 +1826,10 @@ TQPalette TQApplication::palette(const TQWidget* w)
 		  "called after the TQApplication object has been created" );
 #endif
     if ( !app_pal ) {
-	if ( !qt_std_pal )
-	    qt_create_std_palette();
-	app_pal = new TQPalette( *qt_std_pal );
-	qt_fix_tooltips();
+	if ( !tqt_std_pal )
+	    tqt_create_std_palette();
+	app_pal = new TQPalette( *tqt_std_pal );
+	tqt_fix_tooltips();
     }
 
     if ( w && app_palettes ) {
@@ -1885,7 +1885,7 @@ void TQApplication::setPalette( const TQPalette &palette, bool informWidgets,
 	all = app_palettes != 0;
 	delete app_palettes;
 	app_palettes = 0;
-	qt_fix_tooltips();
+	tqt_fix_tooltips();
     } else {
 	if ( !app_palettes ) {
 	    app_palettes = new TQAsciiDict<TQPalette>;
@@ -1961,7 +1961,7 @@ void TQApplication::setFont( const TQFont &font, bool informWidgets,
 {
     bool all = FALSE;
     if ( !className ) {
-	qt_app_has_font = TRUE;
+	tqt_app_has_font = TRUE;
 	if ( !app_font ) {
 	    app_font = new TQFont( font );
 	    TQ_CHECK_PTR( app_font );
@@ -2367,7 +2367,7 @@ bool TQApplication::notify( TQObject *receiver, TQEvent *e )
 	    res = internalNotify( receiver, e );
 
 	    if ( !res && !key->isAccepted() )
-		res = qt_dispatchAccelEvent( (TQWidget*)receiver, key );
+		res = tqt_dispatchAccelEvent( (TQWidget*)receiver, key );
 
 	    // next lines are for compatibility with TQt <= 3.0.x: old
 	    // TQAccel was listening on toplevel widgets
@@ -2383,7 +2383,7 @@ bool TQApplication::notify( TQObject *receiver, TQEvent *e )
 	    TQWidget* w = (TQWidget*)receiver;
 	    TQKeyEvent* key = (TQKeyEvent*) e;
 #ifndef QT_NO_ACCEL
-	    if ( qt_tryComposeUnicode( w, key ) )
+	    if ( tqt_tryComposeUnicode( w, key ) )
 		break;
 #endif
 	    bool def = key->isAccepted();
@@ -3596,7 +3596,7 @@ void TQApplication::setActiveWindow( TQWidget* act )
   Creates the proper Enter/Leave event when widget \a enter is entered
   and widget \a leave is left.
  */
-Q_EXPORT void qt_dispatchEnterLeave( TQWidget* enter, TQWidget* leave ) {
+Q_EXPORT void tqt_dispatchEnterLeave( TQWidget* enter, TQWidget* leave ) {
 #if 0
     if ( leave ) {
 	TQEvent e( TQEvent::Leave );
@@ -3666,19 +3666,19 @@ Q_EXPORT void qt_dispatchEnterLeave( TQWidget* enter, TQWidget* leave ) {
 
     TQEvent leaveEvent( TQEvent::Leave );
     for ( w = leaveList.first(); w; w = leaveList.next() ) {
-	if ( !tqApp->activeModalWidget() || qt_tryModalHelper( w, 0 ))
+	if ( !tqApp->activeModalWidget() || tqt_tryModalHelper( w, 0 ))
 	    TQApplication::sendEvent( w, &leaveEvent );
     }
     TQEvent enterEvent( TQEvent::Enter );
     for ( w = enterList.first(); w; w = enterList.next() ) {
-	if ( !tqApp->activeModalWidget() || qt_tryModalHelper( w, 0 ))
+	if ( !tqApp->activeModalWidget() || tqt_tryModalHelper( w, 0 ))
 	    TQApplication::sendEvent( w, &enterEvent );
     }
 }
 
 
 #ifdef Q_WS_MACX
-extern TQWidget *qt_tryModalHelperMac( TQWidget * top ); //qapplication_mac.cpp
+extern TQWidget *tqt_tryModalHelperMac( TQWidget * top ); //qapplication_mac.cpp
 #endif
 
 
@@ -3687,7 +3687,7 @@ extern TQWidget *qt_tryModalHelperMac( TQWidget * top ); //qapplication_mac.cpp
   Called from qapplication_<platform>.cpp, returns TRUE
   if the widget should accept the event.
  */
-Q_EXPORT bool qt_tryModalHelper( TQWidget *widget, TQWidget **rettop ) {
+Q_EXPORT bool tqt_tryModalHelper( TQWidget *widget, TQWidget **rettop ) {
     TQWidget *modal=0, *top=TQApplication::activeModalWidget();
     if ( rettop ) *rettop = top;
 
@@ -3695,7 +3695,7 @@ Q_EXPORT bool qt_tryModalHelper( TQWidget *widget, TQWidget **rettop ) {
 	return TRUE;
 
 #ifdef Q_WS_MACX
-    top = qt_tryModalHelperMac( top );
+    top = tqt_tryModalHelperMac( top );
     if ( rettop ) *rettop = top;
 #endif
 
@@ -3718,15 +3718,15 @@ Q_EXPORT bool qt_tryModalHelper( TQWidget *widget, TQWidget **rettop ) {
 	groupLeader = groupLeader->parentWidget();
 
     if ( groupLeader ) {
-	// Does groupLeader have a child in qt_modal_stack?
+	// Does groupLeader have a child in tqt_modal_stack?
 	bool unrelated = TRUE;
-	modal = qt_modal_stack->first();
+	modal = tqt_modal_stack->first();
 	while (modal && unrelated) {
 	    TQWidget* p = modal->parentWidget();
 	    while ( p && p != groupLeader && !p->testWFlags( TQt::WGroupLeader) ) {
 		p = p->parentWidget();
 	    }
-	    modal = qt_modal_stack->next();
+	    modal = tqt_modal_stack->next();
 	    if ( p == groupLeader ) unrelated = FALSE;
 	}
 
@@ -3754,12 +3754,12 @@ Q_EXPORT bool qt_tryModalHelper( TQWidget *widget, TQWidget **rettop ) {
 
 TQDesktopWidget *TQApplication::desktop()
 {
-    if ( !qt_desktopWidget || // not created yet
-	 !qt_desktopWidget->isDesktop() ) { // reparented away
-	qt_desktopWidget = new TQDesktopWidget();
-	TQ_CHECK_PTR( qt_desktopWidget );
+    if ( !tqt_desktopWidget || // not created yet
+	 !tqt_desktopWidget->isDesktop() ) { // reparented away
+	tqt_desktopWidget = new TQDesktopWidget();
+	TQ_CHECK_PTR( tqt_desktopWidget );
     }
-    return qt_desktopWidget;
+    return tqt_desktopWidget;
 }
 
 #ifndef QT_NO_CLIPBOARD
@@ -3768,11 +3768,11 @@ TQDesktopWidget *TQApplication::desktop()
 */
 TQClipboard *TQApplication::clipboard()
 {
-    if ( qt_clipboard == 0 ) {
-	qt_clipboard = new TQClipboard;
-	TQ_CHECK_PTR( qt_clipboard );
+    if ( tqt_clipboard == 0 ) {
+	tqt_clipboard = new TQClipboard;
+	TQ_CHECK_PTR( tqt_clipboard );
     }
-    return qt_clipboard;
+    return tqt_clipboard;
 }
 #endif // QT_NO_CLIPBOARD
 
@@ -3859,12 +3859,12 @@ bool TQApplication::desktopSettingsAware()
 #if defined(QT_THREAD_SUPPORT)
 void TQApplication::lock()
 {
-    qt_mutex->lock();
+    tqt_mutex->lock();
 }
 
 void TQApplication::unlock(bool wakeUpGui)
 {
-    qt_mutex->unlock();
+    tqt_mutex->unlock();
 
     if (wakeUpGui)
 	wakeUpGuiThread();
@@ -3872,12 +3872,12 @@ void TQApplication::unlock(bool wakeUpGui)
 
 bool TQApplication::locked()
 {
-    return qt_mutex->locked();
+    return tqt_mutex->locked();
 }
 
 bool TQApplication::tryLock()
 {
-    return qt_mutex->tryLock();
+    return tqt_mutex->tryLock();
 }
 #endif
 
diff --git a/src/kernel/qapplication_p.h b/src/kernel/qapplication_p.h
index ae7568b8..766a8c40 100644
--- a/src/kernel/qapplication_p.h
+++ b/src/kernel/qapplication_p.h
@@ -66,12 +66,12 @@ class TQMouseEvent;
 class TQWheelEvent;
 
 extern Q_EXPORT bool tqt_modal_state();
-extern Q_EXPORT void qt_enter_modal( TQWidget* );
-extern Q_EXPORT void qt_leave_modal( TQWidget* );
+extern Q_EXPORT void tqt_enter_modal( TQWidget* );
+extern Q_EXPORT void tqt_leave_modal( TQWidget* );
 
-extern bool qt_is_gui_used;
+extern bool tqt_is_gui_used;
 #ifndef QT_NO_CLIPBOARD
-extern TQClipboard *qt_clipboard;
+extern TQClipboard *tqt_clipboard;
 #endif
 
 #if defined (Q_OS_WIN32) || defined (Q_OS_CYGWIN)
@@ -89,7 +89,7 @@ extern int qt_ncols_option;
 #endif
 
 
-extern void qt_dispatchEnterLeave( TQWidget*, TQWidget* );
-extern bool qt_tryModalHelper( TQWidget *, TQWidget ** = 0 );
+extern void tqt_dispatchEnterLeave( TQWidget*, TQWidget* );
+extern bool tqt_tryModalHelper( TQWidget *, TQWidget ** = 0 );
 
 #endif
diff --git a/src/kernel/qapplication_x11.cpp b/src/kernel/qapplication_x11.cpp
index 44ff475c..874afe06 100644
--- a/src/kernel/qapplication_x11.cpp
+++ b/src/kernel/qapplication_x11.cpp
@@ -228,7 +228,7 @@ Atom		qt_net_wm_ping		= 0;	// _NET_WM_PING protocol
 static Atom	qt_xsetroot_id		= 0;
 Atom            qt_xa_clipboard         = 0;
 Atom		qt_selection_property	= 0;
-Atom            qt_clipboard_sentinel   = 0;
+Atom            tqt_clipboard_sentinel   = 0;
 Atom		qt_selection_sentinel	= 0;
 Q_EXPORT Atom	tqt_wm_state		= 0;
 Atom		qt_wm_change_state	= 0;
@@ -359,7 +359,7 @@ static Time	mouseButtonPressTime = 0;	// when was a button pressed
 static short	mouseXPos, mouseYPos;		// mouse pres position in act window
 static short	mouseGlobalXPos, mouseGlobalYPos; // global mouse press position
 
-extern TQWidgetList *qt_modal_stack;		// stack of modal widgets
+extern TQWidgetList *tqt_modal_stack;		// stack of modal widgets
 static bool	    ignoreNextMouseReleaseEvent = FALSE; // ignore the next mouse release
 							 // event if return from a modal
 							 // widget
@@ -442,14 +442,14 @@ extern bool     qt_check_clipboard_sentinel(); //def in qclipboard_x11.cpp
 extern bool	qt_check_selection_sentinel(); //def in qclipboard_x11.cpp
 
 static void	qt_save_rootinfo();
-bool	qt_try_modal( TQWidget *, XEvent * );
+bool	tqt_try_modal( TQWidget *, XEvent * );
 
 int		qt_ncols_option  = 216;		// used in qcolor_x11.cpp
 int		qt_visual_option = -1;
 bool		qt_cmap_option	 = FALSE;
 TQWidget	       *qt_button_down	 = 0;		// widget got last button-down
 
-extern bool qt_tryAccelEvent( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
+extern bool tqt_tryAccelEvent( TQWidget*, TQKeyEvent* ); // def in qaccel.cpp
 
 struct TQScrollInProgress {
     static long serial;
@@ -491,8 +491,8 @@ extern Atom qt_xdnd_selection;
 extern bool qt_xdnd_dragging;
 
 // gui or non-gui from qapplication.cpp
-extern bool qt_is_gui_used;
-extern bool qt_app_has_font;
+extern bool tqt_is_gui_used;
+extern bool tqt_app_has_font;
 
 static bool qt_x11_cmdline_font = false;
 
@@ -505,8 +505,8 @@ extern void qt_clear_paintevent_clipping();
 
 
 // Palette handling
-extern TQPalette *qt_std_pal;
-extern void qt_create_std_palette();
+extern TQPalette *tqt_std_pal;
+extern void tqt_create_std_palette();
 
 void qt_x11_intern_atom( const char *, Atom * );
 
@@ -819,7 +819,7 @@ static int qt_xio_errhandler( Display * )
 #endif
 
 
-// Memory leak: if the app exits before qt_init_internal(), this dict
+// Memory leak: if the app exits before tqt_init_internal(), this dict
 // isn't released correctly.
 static TQAsciiDict<Atom> *atoms_to_be_created = 0;
 static bool create_atoms_now = 0;
@@ -828,7 +828,7 @@ static bool create_atoms_now = 0;
   qt_x11_intern_atom() - efficiently interns an atom, now or later.
 
   If the application is being initialized, this function stores the
-  adddress of the atom and qt_init_internal will do the actual work
+  adddress of the atom and tqt_init_internal will do the actual work
   tquickly. If the application is running, the atom is created here.
 
   Neither argument may point to temporary variables.
@@ -902,8 +902,8 @@ static void qt_x11_process_intern_atoms()
 */
 bool TQApplication::x11_apply_settings()
 {
-    if (! qt_std_pal)
-	qt_create_std_palette();
+    if (! tqt_std_pal)
+	tqt_create_std_palette();
 
     Atom type;
     int format;
@@ -1000,13 +1000,13 @@ bool TQApplication::x11_apply_settings()
 		      pal.disabled().foreground() );
     }
 
-    if (pal != *qt_std_pal && pal != TQApplication::palette()) {
+    if (pal != *tqt_std_pal && pal != TQApplication::palette()) {
 	TQApplication::setPalette(pal, TRUE);
-	*qt_std_pal = pal;
+	*tqt_std_pal = pal;
     }
 
     TQFont font(TQApplication::font());
-    if ( !qt_app_has_font && !qt_x11_cmdline_font ) {
+    if ( !tqt_app_has_font && !qt_x11_cmdline_font ) {
         // read new font
         str = settings.readEntry("/qt/font");
         if (! str.isNull() && ! str.isEmpty()) {
@@ -1028,12 +1028,12 @@ bool TQApplication::x11_apply_settings()
     }
 
     // read new TQStyle
-    extern bool qt_explicit_app_style; // defined in qapplication.cpp
+    extern bool tqt_explicit_app_style; // defined in qapplication.cpp
     TQString stylename = settings.readEntry( "/qt/style" );
-    if ( !stylename.isEmpty() && !qt_explicit_app_style ) {
+    if ( !stylename.isEmpty() && !tqt_explicit_app_style ) {
 	TQApplication::setStyle( stylename );
 	// took the style from the user settings, so mark the explicit flag FALSE
-	qt_explicit_app_style = FALSE;
+	tqt_explicit_app_style = FALSE;
     }
 
     num =
@@ -1203,8 +1203,8 @@ static void qt_set_input_encoding()
 static void qt_set_x11_resources( const char* font = 0, const char* fg = 0,
 				  const char* bg = 0, const char* button = 0 )
 {
-    if ( !qt_std_pal )
-	qt_create_std_palette();
+    if ( !tqt_std_pal )
+	tqt_create_std_palette();
 
     TQCString resFont, resFG, resBG, resEF, sysFont;
 
@@ -1303,7 +1303,7 @@ static void qt_set_x11_resources( const char* font = 0, const char* fg = 0,
 	resFG = fg;
     if ( resBG.isEmpty() )
 	resBG = bg;
-    if ( (!qt_app_has_font || qt_x11_cmdline_font) && !resFont.isEmpty() ) { // set application font
+    if ( (!tqt_app_has_font || qt_x11_cmdline_font) && !resFont.isEmpty() ) { // set application font
         TQFont fnt;
         fnt.setRawName( resFont );
 
@@ -1341,17 +1341,17 @@ static void qt_set_x11_resources( const char* font = 0, const char* fg = 0,
 	if ( !resBG.isEmpty() )
 	    bg = TQColor(TQString(resBG));
 	else
-	    bg = qt_std_pal->active().background();
+	    bg = tqt_std_pal->active().background();
 	if ( !resFG.isEmpty() )
 	    fg = TQColor(TQString(resFG));
 	else
-	    fg = qt_std_pal->active().foreground();
+	    fg = tqt_std_pal->active().foreground();
 	if ( button )
 	    btn = TQColor( button );
 	else if ( !resBG.isEmpty() )
 	    btn = bg;
 	else
-	    btn = qt_std_pal->active().button();
+	    btn = tqt_std_pal->active().button();
 
 	int h,s,v;
 	fg.hsv(&h,&s,&v);
@@ -1384,9 +1384,9 @@ static void qt_set_x11_resources( const char* font = 0, const char* fg = 0,
 	    dcg.setColor( TQColorGroup::Highlight, TQt::darkBlue );
 	}
 	TQPalette pal( cg, dcg, cg );
-	if ( pal != *qt_std_pal && pal != TQApplication::palette() )
+	if ( pal != *tqt_std_pal && pal != TQApplication::palette() )
 	    TQApplication::setPalette( pal, TRUE );
-	*qt_std_pal = pal;
+	*tqt_std_pal = pal;
     }
 
     if ( !resEF.isEmpty() ) {
@@ -1626,7 +1626,7 @@ static Visual *find_truecolor_visual( Display *dpy, int scr, int *depth, int *nc
 
 
 /*****************************************************************************
-  qt_init() - initializes TQt for X11
+  tqt_init() - initializes TQt for X11
  *****************************************************************************/
 
 #define XK_MISCELLANY
@@ -1639,14 +1639,14 @@ static Visual *find_truecolor_visual( Display *dpy, int scr, int *depth, int *nc
 // ### in ntqpaintdevice.h which then should have a static too but can't have
 // ### it because "storage class specifiers invalid in friend function
 // ### declarations" :-) Ideas anyone?
-void qt_init_internal( int *argcptr, char **argv,
+void tqt_init_internal( int *argcptr, char **argv,
 		       Display *display, TQt::HANDLE visual, TQt::HANDLE colormap )
 {
     setlocale( LC_ALL, "" );		// use correct char set mapping
     setlocale( LC_NUMERIC, "C" );	// make sprintf()/scanf() work
 
 #if defined(QT_THREAD_SUPPORT)
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	XInitThreads();
     }
 #endif
@@ -1804,7 +1804,7 @@ void qt_init_internal( int *argcptr, char **argv,
 #endif
 	// Connect to X server
 
-	if( qt_is_gui_used ) {
+	if( tqt_is_gui_used ) {
 	    if ( ( appDpy = XOpenDisplay(appDpyName) ) == 0 ) {
 		tqWarning( "%s: cannot connect to X server %s", appName,
 			  XDisplayName(appDpyName) );
@@ -1820,7 +1820,7 @@ void qt_init_internal( int *argcptr, char **argv,
 
     // Get X parameters
 
-    if( qt_is_gui_used ) {
+    if( tqt_is_gui_used ) {
 	appScreen = DefaultScreen(appDpy);
 	appScreenCount = ScreenCount(appDpy);
 
@@ -1990,7 +1990,7 @@ void qt_init_internal( int *argcptr, char **argv,
 	qt_x11_intern_atom( "INCR", &qt_x_incr );
 	qt_x11_intern_atom( "_XSETROOT_ID", &qt_xsetroot_id );
 	qt_x11_intern_atom( "_QT_SELECTION", &qt_selection_property );
-	qt_x11_intern_atom( "_QT_CLIPBOARD_SENTINEL", &qt_clipboard_sentinel );
+	qt_x11_intern_atom( "_QT_CLIPBOARD_SENTINEL", &tqt_clipboard_sentinel );
 	qt_x11_intern_atom( "_QT_SELECTION_SENTINEL", &qt_selection_sentinel );
 	qt_x11_intern_atom( "_QT_SCROLL_DONE", &qt_qt_scrolldone );
 	qt_x11_intern_atom( "_QT_INPUT_ENCODING", &qt_input_encoding );
@@ -2205,7 +2205,7 @@ void qt_init_internal( int *argcptr, char **argv,
     TQThread::initialize();
 #endif
 
-    if( qt_is_gui_used ) {
+    if( tqt_is_gui_used ) {
 	tqApp->setName( appName );
 
 	int screen;
@@ -2221,7 +2221,7 @@ void qt_init_internal( int *argcptr, char **argv,
 	}
     }
 
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	qt_set_input_encoding();
 
 	qt_set_x11_resources( appFont, appFGCol, appBGCol, appBTNCol);
@@ -2235,7 +2235,7 @@ void qt_init_internal( int *argcptr, char **argv,
 	    (int) ( ( ( TQPaintDevice::x11AppDpiY() >= 95 ? 17. : 12. ) *
 		      72. / (float) TQPaintDevice::x11AppDpiY() ) + 0.5 );
 
-	if ( !qt_app_has_font && !qt_x11_cmdline_font ) {
+	if ( !tqt_app_has_font && !qt_x11_cmdline_font ) {
 	    TQFont f( "Helvetica", ptsz );
 	    TQApplication::setFont( f );
 	}
@@ -2454,29 +2454,29 @@ void TQApplication::x11_initialize_style()
 }
 #endif
 
-void qt_init( int *argcptr, char **argv, TQApplication::Type )
+void tqt_init( int *argcptr, char **argv, TQApplication::Type )
 {
-    qt_init_internal( argcptr, argv, 0, 0, 0 );
+    tqt_init_internal( argcptr, argv, 0, 0, 0 );
 }
 
-void qt_init( Display *display, TQt::HANDLE visual, TQt::HANDLE colormap )
+void tqt_init( Display *display, TQt::HANDLE visual, TQt::HANDLE colormap )
 {
-    qt_init_internal( 0, 0, display, visual, colormap );
+    tqt_init_internal( 0, 0, display, visual, colormap );
 }
 
 
 /*****************************************************************************
-  qt_cleanup() - cleans up when the application is finished
+  tqt_cleanup() - cleans up when the application is finished
  *****************************************************************************/
 
-void qt_cleanup()
+void tqt_cleanup()
 {
     appliedstamp = 0;
 
     if ( app_save_rootinfo )			// root window must keep state
 	qt_save_rootinfo();
 
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	TQPixmapCache::clear();
 	TQPainter::cleanup();
 	TQCursor::cleanup();
@@ -2503,7 +2503,7 @@ void qt_cleanup()
 #endif
 #endif
 
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	int screen;
 	for ( screen = 0; screen < appScreenCount; screen++ ) {
 	    if ( ! TQPaintDevice::x11AppDefaultColormap( screen ) )
@@ -2526,7 +2526,7 @@ void qt_cleanup()
     XSetErrorHandler( original_x_errhandler );
     XSetIOErrorHandler( original_xio_errhandler );
 
-    if ( qt_is_gui_used && !appForeignDpy )
+    if ( tqt_is_gui_used && !appForeignDpy )
 	XCloseDisplay( appDpy );		// close X display
     appDpy = 0;
 
@@ -2820,7 +2820,7 @@ void TQApplication::setMainWidget( TQWidget *mainWidget )
   TQApplication cursor stack
  *****************************************************************************/
 
-extern void qt_x11_enforce_cursor( TQWidget * w );
+extern void tqt_x11_enforce_cursor( TQWidget * w );
 
 typedef TQPtrList<TQCursor> TQCursorList;
 
@@ -2886,7 +2886,7 @@ void TQApplication::setOverrideCursor( const TQCursor &cursor, bool replace )
     register TQWidget *w;
     while ( (w=it.current()) ) {		// for all widgets that have
 	if ( w->testWState( WState_OwnCursor ) )
-	    qt_x11_enforce_cursor( w );
+	    tqt_x11_enforce_cursor( w );
 	++it;
     }
     XFlush( appDpy );				// make X execute it NOW
@@ -2914,7 +2914,7 @@ void TQApplication::restoreOverrideCursor()
 	register TQWidget *w;
 	while ( (w=it.current()) ) {		// set back to original cursors
 	    if ( w->testWState( WState_OwnCursor ) )
-		qt_x11_enforce_cursor( w );
+		tqt_x11_enforce_cursor( w );
 	    ++it;
 	}
 	XFlush( appDpy );
@@ -3429,7 +3429,7 @@ int TQApplication::x11ProcessEvent( XEvent* event )
     if ( event->type == PropertyNotify ) {	// some properties changed
 	if ( event->xproperty.window == TQPaintDevice::x11AppRootWindow( 0 ) ) {
 	    // root properties for the first screen
-	    if ( event->xproperty.atom == qt_clipboard_sentinel ) {
+	    if ( event->xproperty.atom == tqt_clipboard_sentinel ) {
 		if (qt_check_clipboard_sentinel() )
 		    emit clipboard()->dataChanged();
 	    } else if ( event->xproperty.atom == qt_selection_sentinel ) {
@@ -3493,7 +3493,7 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	widget = keywidget; // send XKeyEvents through keywidget->x11Event()
 
     if ( app_do_modal )				// modal event handling
-	if ( !qt_try_modal(widget, event) ) {
+	if ( !tqt_try_modal(widget, event) ) {
 	    if ( event->type == ClientMessage )
 		x11ClientMessage( widget, event, TRUE );
 	    return 1;
@@ -3638,7 +3638,7 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	    if ( qt_focus_model == FocusModel_PointerRoot ) // PointerRoot mode
 		setActiveWindow( widget );
 	}
-	qt_dispatchEnterLeave( widget, TQWidget::find( curWin ) );
+	tqt_dispatchEnterLeave( widget, TQWidget::find( curWin ) );
 	curWin = widget->winId();
 	widget->translateMouseEvent( event ); //we don't get MotionNotify, emulate it
     }
@@ -3689,9 +3689,9 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	}
 
 	if ( !curWin )
-	    qt_dispatchEnterLeave( widget, 0 );
+	    tqt_dispatchEnterLeave( widget, 0 );
 
-	qt_dispatchEnterLeave( enter, widget );
+	tqt_dispatchEnterLeave( enter, widget );
 	curWin = enter ? enter->winId() : 0;
     }
 	break;
@@ -3761,9 +3761,9 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	if ( qt_xdnd_selection && req->selection == qt_xdnd_selection ) {
 	    qt_xdnd_handle_selection_request( req );
 
-	} else if (qt_clipboard) {
+	} else if (tqt_clipboard) {
 	    TQCustomEvent e( TQEvent::Clipboard, event );
-	    TQApplication::sendSpontaneousEvent( qt_clipboard, &e );
+	    TQApplication::sendSpontaneousEvent( tqt_clipboard, &e );
 	}
 	break;
     }
@@ -3773,9 +3773,9 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	if (! req || qt_xdnd_selection && req->selection == qt_xdnd_selection)
 	    break;
 
-	if (qt_clipboard) {
+	if (tqt_clipboard) {
 	    TQCustomEvent e( TQEvent::Clipboard, event );
-	    TQApplication::sendSpontaneousEvent( qt_clipboard, &e );
+	    TQApplication::sendSpontaneousEvent( tqt_clipboard, &e );
 	}
 	break;
     }
@@ -3786,9 +3786,9 @@ int TQApplication::x11ProcessEvent( XEvent* event )
 	if (! req || qt_xdnd_selection && req->selection == qt_xdnd_selection)
 	    break;
 
-	if (qt_clipboard) {
+	if (tqt_clipboard) {
 	    TQCustomEvent e( TQEvent::Clipboard, event );
-	    TQApplication::sendSpontaneousEvent( qt_clipboard, &e );
+	    TQApplication::sendSpontaneousEvent( tqt_clipboard, &e );
 	}
 	break;
     }
@@ -3826,12 +3826,12 @@ bool TQApplication::x11EventFilter( XEvent * )
   A modal widget without a parent becomes application-modal.
   A modal widget with a parent becomes modal to its parent and grandparents..
 
-  qt_enter_modal()
+  tqt_enter_modal()
 	Enters modal state
 	Arguments:
 	    TQWidget *widget	A modal widget
 
-  qt_leave_modal()
+  tqt_leave_modal()
 	Leaves modal state for a widget
 	Arguments:
 	    TQWidget *widget	A modal widget
@@ -3842,38 +3842,38 @@ bool tqt_modal_state()
     return app_do_modal;
 }
 
-void qt_enter_modal( TQWidget *widget )
+void tqt_enter_modal( TQWidget *widget )
 {
-    if ( !qt_modal_stack ) {			// create modal stack
-	qt_modal_stack = new TQWidgetList;
-	TQ_CHECK_PTR( qt_modal_stack );
+    if ( !tqt_modal_stack ) {			// create modal stack
+	tqt_modal_stack = new TQWidgetList;
+	TQ_CHECK_PTR( tqt_modal_stack );
     }
     if (widget->parentWidget()) {
 	TQEvent e(TQEvent::WindowBlocked);
 	TQApplication::sendEvent(widget->parentWidget(), &e);
     }
 
-    qt_dispatchEnterLeave( 0, TQWidget::find((WId)curWin) );
-    qt_modal_stack->insert( 0, widget );
+    tqt_dispatchEnterLeave( 0, TQWidget::find((WId)curWin) );
+    tqt_modal_stack->insert( 0, widget );
     app_do_modal = TRUE;
     curWin = 0;
     ignoreNextMouseReleaseEvent = FALSE;
 }
 
 
-void qt_leave_modal( TQWidget *widget )
+void tqt_leave_modal( TQWidget *widget )
 {
-    if ( qt_modal_stack && qt_modal_stack->removeRef(widget) ) {
-	if ( qt_modal_stack->isEmpty() ) {
-	    delete qt_modal_stack;
-	    qt_modal_stack = 0;
+    if ( tqt_modal_stack && tqt_modal_stack->removeRef(widget) ) {
+	if ( tqt_modal_stack->isEmpty() ) {
+	    delete tqt_modal_stack;
+	    tqt_modal_stack = 0;
 	    TQPoint p( TQCursor::pos() );
 	    TQWidget* w = TQApplication::widgetAt( p.x(), p.y(), TRUE );
-	    qt_dispatchEnterLeave( w, TQWidget::find( curWin ) ); // send synthetic enter event
+	    tqt_dispatchEnterLeave( w, TQWidget::find( curWin ) ); // send synthetic enter event
 	    curWin = w? w->winId() : 0;
 	}
     }
-    app_do_modal = qt_modal_stack != 0;
+    app_do_modal = tqt_modal_stack != 0;
     ignoreNextMouseReleaseEvent = TRUE;
 
     if (widget->parentWidget()) {
@@ -3883,7 +3883,7 @@ void qt_leave_modal( TQWidget *widget )
 }
 
 
-Q_EXPORT bool qt_try_modal( TQWidget *widget, XEvent *event )
+Q_EXPORT bool tqt_try_modal( TQWidget *widget, XEvent *event )
 {
     if (qt_xdnd_dragging) {
 	// allow mouse events while DnD is active
@@ -3897,7 +3897,7 @@ Q_EXPORT bool qt_try_modal( TQWidget *widget, XEvent *event )
 	}
     }
 
-    if ( qt_tryModalHelper( widget ) )
+    if ( tqt_tryModalHelper( widget ) )
 	return TRUE;
 
     bool block_event  = FALSE;
@@ -5571,7 +5571,7 @@ bool TQETWidget::translateKeyEvent( const XEvent *event, bool grab )
 	// send accel events if the keyboard is not grabbed
 	TQKeyEvent a( type, code, ascii, state, text, autor,
 		     TQMAX( TQMAX(count,1), int(text.length())) );
-	if ( qt_tryAccelEvent( this, &a ) )
+	if ( tqt_tryAccelEvent( this, &a ) )
 	    return TRUE;
     }
 
diff --git a/src/kernel/qasyncimageio.cpp b/src/kernel/qasyncimageio.cpp
index 277a2e08..c42e876e 100644
--- a/src/kernel/qasyncimageio.cpp
+++ b/src/kernel/qasyncimageio.cpp
@@ -46,8 +46,8 @@
 #include "ntqgif.h"
 #include <stdlib.h>
 
-extern void qt_init_image_handlers();
-extern void qt_init_image_plugins();
+extern void tqt_init_image_handlers();
+extern void tqt_init_image_plugins();
 
 #define Q_TRANSPARENT 0x00ffffff
 
@@ -303,7 +303,7 @@ public:
 #if defined(QT_BUILTIN_GIF_READER) && QT_BUILTIN_GIF_READER == 1
 	    gif_decoder_factory = new TQGIFFormatType;
 #endif
-	    qt_init_image_handlers();
+	    tqt_init_image_handlers();
 	    tqAddPostRoutine( cleanup );
 	}
     }
@@ -344,7 +344,7 @@ void TQImageDecoderPrivate::cleanup()
 */
 TQImageDecoder::TQImageDecoder(TQImageConsumer* c)
 {
-    qt_init_image_handlers();
+    tqt_init_image_handlers();
     d = new TQImageDecoderPrivate;
     TQ_CHECK_PTR(d);
     consumer = c;
@@ -397,7 +397,7 @@ int TQImageDecoder::decode(const uchar* buffer, int length)
 	    actual_decoder = f->decoderFor(d->header, d->count);
 	}
 	if ( !actual_decoder && !plugins_loaded) {
-	    qt_init_image_plugins();
+	    tqt_init_image_plugins();
 	    plugins_loaded = TRUE;
 
 	    for (TQImageFormatType* f = TQImageDecoderPrivate::factories->first();
@@ -432,7 +432,7 @@ int TQImageDecoder::decode(const uchar* buffer, int length)
 TQImageFormatType* TQImageDecoder::format( const char* name )
 {
     TQImageDecoderPrivate::ensureFactories();
-    qt_init_image_plugins();
+    tqt_init_image_plugins();
 
     for (TQImageFormatType* f = TQImageDecoderPrivate::factories->first();
 	f;
@@ -467,7 +467,7 @@ const char* TQImageDecoder::formatName(const uchar* buffer, int length)
 	}
     }
     if ( !name && !plugins_loaded) {
-	qt_init_image_plugins();
+	tqt_init_image_plugins();
 	plugins_loaded = TRUE;
 	for (TQImageFormatType* f = TQImageDecoderPrivate::factories->first();
 	    f && !name;
@@ -491,7 +491,7 @@ const char* TQImageDecoder::formatName(const uchar* buffer, int length)
 TQStrList TQImageDecoder::inputFormats()
 {
     TQImageDecoderPrivate::ensureFactories();
-    qt_init_image_plugins();
+    tqt_init_image_plugins();
 
     TQStrList result;
 
diff --git a/src/kernel/qclipboard_x11.cpp b/src/kernel/qclipboard_x11.cpp
index b80e8698..9fd48c58 100644
--- a/src/kernel/qclipboard_x11.cpp
+++ b/src/kernel/qclipboard_x11.cpp
@@ -91,7 +91,7 @@ extern Time tqt_x_time;			// def. in qapplication_x11.cpp
 extern Time qt_x_incr;			// def. in qapplication_x11.cpp
 extern Atom qt_xa_clipboard;
 extern Atom qt_selection_property;
-extern Atom qt_clipboard_sentinel;
+extern Atom tqt_clipboard_sentinel;
 extern Atom qt_selection_sentinel;
 extern Atom qt_utf8_string;
 
@@ -244,7 +244,7 @@ static TQClipboardData *clipboardData()
     return internalCbData;
 }
 
-void qt_clipboard_cleanup_mime_source(TQMimeSource *src)
+void tqt_clipboard_cleanup_mime_source(TQMimeSource *src)
 {
     if(internalCbData && internalCbData->source() == src)
 	internalCbData->clear(FALSE);
@@ -1520,7 +1520,7 @@ void TQClipboard::setData( TQMimeSource* src, Mode mode )
 
     case Clipboard:
 	atom = qt_xa_clipboard;
-	sentinel_atom = qt_clipboard_sentinel;
+	sentinel_atom = tqt_clipboard_sentinel;
 	d = clipboardData();
 	break;
 
@@ -1644,7 +1644,7 @@ bool qt_check_clipboard_sentinel()
 
 	if (XGetWindowProperty(TQPaintDevice::x11AppDisplay(),
 			       TQApplication::desktop()->screen(0)->winId(),
-			       qt_clipboard_sentinel, 0, 2, False, XA_WINDOW,
+			       tqt_clipboard_sentinel, 0, 2, False, XA_WINDOW,
 			       &actualType, &actualFormat, &nitems, &bytesLeft,
 			       (unsigned char **) &owners) == Success) {
 	    if (actualType == XA_WINDOW && actualFormat == 32 && nitems == 2) {
diff --git a/src/kernel/qdnd_x11.cpp b/src/kernel/qdnd_x11.cpp
index aeb02583..e45341aa 100644
--- a/src/kernel/qdnd_x11.cpp
+++ b/src/kernel/qdnd_x11.cpp
@@ -74,8 +74,8 @@ extern "C" {
 
 extern void qt_ignore_badwindow();
 extern bool qt_badwindow();
-extern void qt_enter_modal( TQWidget *widget );
-extern void qt_leave_modal( TQWidget *widget );
+extern void tqt_enter_modal( TQWidget *widget );
+extern void tqt_leave_modal( TQWidget *widget );
 
 #if defined(Q_C_CALLBACKS)
 }
diff --git a/src/kernel/qeventloop_x11.cpp b/src/kernel/qeventloop_x11.cpp
index bada85fd..0ae38705 100644
--- a/src/kernel/qeventloop_x11.cpp
+++ b/src/kernel/qeventloop_x11.cpp
@@ -60,7 +60,7 @@ static const int XKeyRelease = KeyRelease;
 #undef KeyRelease
 
 // from qapplication.cpp
-extern bool qt_is_gui_used;
+extern bool tqt_is_gui_used;
 
 // from qeventloop_unix.cpp
 extern timeval *qt_wait_timer();
@@ -117,7 +117,7 @@ void TQEventLoop::init()
 
     // intitialize the X11 parts of the event loop
     d->xfd = -1;
-    if ( qt_is_gui_used )
+    if ( tqt_is_gui_used )
         d->xfd = XConnectionNumber( TQPaintDevice::x11AppDisplay() );
 }
 
@@ -139,11 +139,11 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
     int	   nevents = 0;
 
 #if defined(QT_THREAD_SUPPORT)
-    TQMutexLocker locker( TQApplication::qt_mutex );
+    TQMutexLocker locker( TQApplication::tqt_mutex );
 #endif
 
     // handle gui and posted events
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	TQApplication::sendPostedEvents();
 
 	// Two loops so that posted events accumulate
@@ -261,7 +261,7 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
 	FD_ZERO( &d->sn_vec[2].select_fds );
     }
 
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	// select for events on the event socket - only on X11
 	FD_SET( d->xfd, &d->sn_vec[0].select_fds );
 	highest = TQMAX( highest, d->xfd );
@@ -407,7 +407,7 @@ bool TQEventLoop::hasPendingEvents() const
 
 void TQEventLoop::appStartingUp()
 {
-    if ( qt_is_gui_used )
+    if ( tqt_is_gui_used )
         d->xfd = XConnectionNumber( TQPaintDevice::x11AppDisplay() );
 }
 
diff --git a/src/kernel/qimage.cpp b/src/kernel/qimage.cpp
index c67c463a..fad12bfa 100644
--- a/src/kernel/qimage.cpp
+++ b/src/kernel/qimage.cpp
@@ -3861,7 +3861,7 @@ static TQPluginManager<TQImageFormatInterface> *plugin_manager = 0;
 static void *plugin_manager = 0;
 #endif
 
-void qt_init_image_plugins()
+void tqt_init_image_plugins()
 {
 #ifndef QT_NO_COMPONENT
     if ( plugin_manager )
@@ -3893,7 +3893,7 @@ static void cleanup()
 #endif
 }
 
-void qt_init_image_handlers()		// initialize image handlers
+void tqt_init_image_handlers()		// initialize image handlers
 {
     if ( !imageHandlers ) {
 	imageHandlers = new TQIHList;
@@ -3940,8 +3940,8 @@ void qt_init_image_handlers()		// initialize image handlers
 
 static TQImageHandler *get_image_handler( const char *format )
 {						// get pointer to handler
-    qt_init_image_handlers();
-    qt_init_image_plugins();
+    tqt_init_image_handlers();
+    tqt_init_image_plugins();
     register TQImageHandler *p = imageHandlers->first();
     while ( p ) {				// traverse list
 	if ( p->format == format )
@@ -4012,7 +4012,7 @@ void TQImageIO::defineIOHandler( const char *format,
 				image_io_handler readImage,
 				image_io_handler writeImage )
 {
-    qt_init_image_handlers();
+    tqt_init_image_handlers();
     TQImageHandler *p;
     p = new TQImageHandler( format, header, flags,
 			   readImage, writeImage );
@@ -4278,8 +4278,8 @@ const char *TQImageIO::imageFormat( TQIODevice *d )
 
     char buf[buflen];
     char buf2[buflen];
-    qt_init_image_handlers();
-    qt_init_image_plugins();
+    tqt_init_image_handlers();
+    tqt_init_image_plugins();
     int pos = d->at();			// save position
     int rdlen = d->readBlock( buf, buflen );	// read a few bytes
 
@@ -4326,8 +4326,8 @@ TQStrList TQImageIO::inputFormats()
 {
     TQStrList result;
 
-    qt_init_image_handlers();
-    qt_init_image_plugins();
+    tqt_init_image_handlers();
+    tqt_init_image_plugins();
 
 #ifndef QT_NO_ASYNC_IMAGE_IO
     // Include asynchronous loaders first.
@@ -4356,8 +4356,8 @@ TQStrList TQImageIO::outputFormats()
 {
     TQStrList result;
 
-    qt_init_image_handlers();
-    qt_init_image_plugins();
+    tqt_init_image_handlers();
+    tqt_init_image_plugins();
 
     // Include asynchronous writers (!) first.
     // (None)
@@ -4497,7 +4497,7 @@ bool TQImageIO::write()
 	return FALSE;
     TQImageHandler *h = get_image_handler( frmt );
     if ( !h && !plugin_manager) {
-	qt_init_image_plugins();
+	tqt_init_image_plugins();
 	h = get_image_handler( frmt );
     }
     if ( !h || !h->write_image ) {
diff --git a/src/kernel/qjpegio.cpp b/src/kernel/qjpegio.cpp
index cbc469fa..8e2f3e2e 100644
--- a/src/kernel/qjpegio.cpp
+++ b/src/kernel/qjpegio.cpp
@@ -105,7 +105,7 @@ extern "C" {
 #endif
 
 static
-void qt_init_source(j_decompress_ptr)
+void tqt_init_source(j_decompress_ptr)
 {
 }
 
@@ -168,7 +168,7 @@ void qt_term_source(j_decompress_ptr)
 
 inline my_jpeg_source_mgr::my_jpeg_source_mgr(TQImageIO* iioptr)
 {
-    jpeg_source_mgr::init_source = qt_init_source;
+    jpeg_source_mgr::init_source = tqt_init_source;
     jpeg_source_mgr::fill_input_buffer = qt_fill_input_buffer;
     jpeg_source_mgr::skip_input_data = qt_skip_input_data;
     jpeg_source_mgr::resync_to_restart = jpeg_resync_to_restart;
@@ -376,7 +376,7 @@ extern "C" {
 #endif
 
 static
-void qt_init_destination(j_compress_ptr)
+void tqt_init_destination(j_compress_ptr)
 {
 }
 
@@ -433,7 +433,7 @@ void qt_term_destination(j_compress_ptr cinfo)
 inline
 my_jpeg_destination_mgr::my_jpeg_destination_mgr(TQImageIO* iioptr)
 {
-    jpeg_destination_mgr::init_destination = qt_init_destination;
+    jpeg_destination_mgr::init_destination = tqt_init_destination;
     jpeg_destination_mgr::empty_output_buffer = qt_empty_output_buffer;
     jpeg_destination_mgr::term_destination = qt_term_destination;
     iio = iioptr;
diff --git a/src/kernel/qmetaobject.cpp b/src/kernel/qmetaobject.cpp
index 6dbc044a..75bd9b5a 100644
--- a/src/kernel/qmetaobject.cpp
+++ b/src/kernel/qmetaobject.cpp
@@ -145,7 +145,7 @@ public:
 #ifndef QT_NO_PROPERTIES
 	enumData(0), numEnumData(0),
 	propData(0),numPropData(0),
-	qt_static_property(0),
+	tqt_static_property(0),
 #endif
 	classInfo(0), numClassInfo(0) {}
 #ifndef QT_NO_PROPERTIES
@@ -153,7 +153,7 @@ public:
     int numEnumData;
     const TQMetaProperty *propData;
     int numPropData;
-    bool (*qt_static_property)(TQObject*, int, int, TQVariant*);
+    bool (*tqt_static_property)(TQObject*, int, int, TQVariant*);
 #endif
     const TQClassInfo *classInfo;
     int numClassInfo;
@@ -249,7 +249,7 @@ TQMetaObject::TQMetaObject( const char *const class_name, TQMetaObject *super_cl
 			  const TQMetaData *const signal_data, int n_signals,
 			  const TQMetaProperty *const prop_data, int n_props,
 			  const TQMetaEnum *const enum_data, int n_enums,
-			  bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+			  bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 			  const TQClassInfo *const class_info, int n_info )
 {
     classname = class_name;			// set meta data
@@ -265,7 +265,7 @@ TQMetaObject::TQMetaObject( const char *const class_name, TQMetaObject *super_cl
     d->numPropData = n_props;
     d->enumData = enum_data;
     d->numEnumData = n_enums;
-    d->qt_static_property = qt_static_property;
+    d->tqt_static_property = tqt_static_property;
     d->classInfo = class_info;
     d->numClassInfo = n_info;
 
@@ -492,14 +492,14 @@ TQMetaObject *TQMetaObject::new_metaobject( const char *classname,
 					  const TQMetaData * const signal_data, int n_signals,
 					  const TQMetaProperty * const prop_data, int n_props,
 					  const TQMetaEnum * const enum_data, int n_enums,
-					  bool (*qt_static_property)(TQObject*, int, int, TQVariant*),
+					  bool (*tqt_static_property)(TQObject*, int, int, TQVariant*),
 					  const TQClassInfo * const class_info, int n_info )
 {
     return new TQMetaObject( classname, superclassobject, slot_data, n_slots,
 			    signal_data, n_signals,
 			    prop_data, n_props,
 			    enum_data, n_enums,
-			    qt_static_property,
+			    tqt_static_property,
 			    class_info, n_info );
 }
 #endif
@@ -827,14 +827,14 @@ bool TQMetaObject::hasMetaObject( const char *class_name )
 ### this functions will go away. It exists purely for the sake of meta
 ### object code generated with TQt 3.1.0
 */
-bool TQMetaObject::qt_static_property( TQObject* o, int id, int f, TQVariant* v)
+bool TQMetaObject::tqt_static_property( TQObject* o, int id, int f, TQVariant* v)
 {
-    if ( d->qt_static_property )
-	return d->qt_static_property( o, id, f, v );
+    if ( d->tqt_static_property )
+	return d->tqt_static_property( o, id, f, v );
     else if ( o ) // compatibility
-	return o->qt_property( id, f, v );
+	return o->tqt_property( id, f, v );
     else if ( superclass )
-	return superclass->qt_static_property( o, id, f, v );
+	return superclass->tqt_static_property( o, id, f, v );
     switch ( f ) {
     case 3: case 4: case 5:
 	return TRUE;
@@ -1116,7 +1116,7 @@ bool TQMetaProperty::designable( TQObject* o ) const
 	return FALSE;
     if ( o ) {
 	int idx = _id >= 0 ? _id : (*meta)->indexOfProperty( this, TRUE );
-	return idx >= 0 && o->qt_property( idx, 3, 0 );
+	return idx >= 0 && o->tqt_property( idx, 3, 0 );
     }
     if ( testFlags( DesignableOverride ) ) {
 	const TQMetaObject* mo = (*meta);
@@ -1137,7 +1137,7 @@ bool TQMetaProperty::scriptable( TQObject* o ) const
 {
     if ( o ) {
 	int idx = _id >= 0 ? _id : (*meta)->indexOfProperty( this, TRUE );
-	return idx >= 0 && o->qt_property( idx, 4, 0 );
+	return idx >= 0 && o->tqt_property( idx, 4, 0 );
     }
     if ( testFlags( ScriptableOverride ) ) {
 	const TQMetaObject* mo = (*meta);
@@ -1160,7 +1160,7 @@ bool TQMetaProperty::stored( TQObject* o ) const
 	return FALSE;
     if ( o ) {
 	int idx = _id >= 0 ? _id : (*meta)->indexOfProperty( this, TRUE );
-	return idx >= 0 && o->qt_property( idx, 5, 0 );
+	return idx >= 0 && o->tqt_property( idx, 5, 0 );
     }
     if ( testFlags( StoredOverride ) ) {
 	const TQMetaObject* mo = (*meta);
@@ -1185,7 +1185,7 @@ bool TQMetaProperty::reset( TQObject* o ) const
     int idx = _id >= 0 ? _id : (*meta)->indexOfProperty( this, TRUE );
     if ( idx < 0 )
 	return 0;
-    return o->qt_property( idx, 2, 0 );
+    return o->tqt_property( idx, 2, 0 );
 }
 
 
diff --git a/src/kernel/qmime.cpp b/src/kernel/qmime.cpp
index d36b88ae..8b962a64 100644
--- a/src/kernel/qmime.cpp
+++ b/src/kernel/qmime.cpp
@@ -110,8 +110,8 @@ void TQMimeSource::clearCache()
 TQMimeSource::~TQMimeSource()
 {
 #ifndef QT_NO_CLIPBOARD
-    extern void qt_clipboard_cleanup_mime_source(TQMimeSource *);
-    qt_clipboard_cleanup_mime_source(this);
+    extern void tqt_clipboard_cleanup_mime_source(TQMimeSource *);
+    tqt_clipboard_cleanup_mime_source(this);
 #endif
     clearCache();
 }
diff --git a/src/kernel/qobject.cpp b/src/kernel/qobject.cpp
index e958f636..61ed4e7e 100644
--- a/src/kernel/qobject.cpp
+++ b/src/kernel/qobject.cpp
@@ -246,14 +246,14 @@ static void removeObjFromList( TQObjectList *objList, const TQObject *obj,
     Returns 0 if there is no such child.
 
     \code
-	TQListBox *c = (TQListBox *) qt_find_obj_child( myWidget, "TQListBox",
+	TQListBox *c = (TQListBox *) tqt_find_obj_child( myWidget, "TQListBox",
 						      "my list box" );
 	if ( c )
 	    c->insertItem( "another string" );
     \endcode
 */
 
-void *qt_find_obj_child( TQObject *parent, const char *type, const char *name )
+void *tqt_find_obj_child( TQObject *parent, const char *type, const char *name )
 {
     const TQObjectList *list = parent->children();
     if ( list ) {
@@ -303,7 +303,7 @@ static void qt_spy_signal( TQObject* sender, int signal, TQUObject* o )
 
 	    TQObject* old_sender = qt_spy_signal_sender;
 	    qt_spy_signal_sender = sender;
-	    tqt_preliminary_signal_spy->qt_invoke( slot, o );
+	    tqt_preliminary_signal_spy->tqt_invoke( slot, o );
 	    qt_spy_signal_sender = old_sender;
 	    break;
 	}
@@ -616,7 +616,7 @@ bool TQObject::inherits( const char *clname ) const
 
     \sa inherits()
 */
-void *qt_inheritedBy( TQMetaObject *superClass, const TQObject *object )
+void *tqt_inheritedBy( TQMetaObject *superClass, const TQObject *object )
 {
     if (!object)
 	return 0;
@@ -2378,9 +2378,9 @@ void TQObject::activate_signal( TQConnectionList *clist, TQUObject *o )
 	    sol->currentSender = this;
 	}
 	if ( c->memberType() == TQSIGNAL_CODE )
-	    object->qt_emit( c->member(), o );
+	    object->tqt_emit( c->member(), o );
 	else
-	    object->qt_invoke( c->member(), o );
+	    object->tqt_invoke( c->member(), o );
 	if ( sol ) {
 	    sol->currentSender = oldSender;
 	    if ( sol->deref() )
@@ -2402,9 +2402,9 @@ void TQObject::activate_signal( TQConnectionList *clist, TQUObject *o )
 		sol->currentSender = this;
 	    }
 	    if ( c->memberType() == TQSIGNAL_CODE )
-		object->qt_emit( c->member(), o );
+		object->tqt_emit( c->member(), o );
 	    else
-		object->qt_invoke( c->member(), o );
+		object->tqt_invoke( c->member(), o );
 	    if (sol ) {
 		sol->currentSender = oldSender;
 		if ( sol->deref() )
@@ -2631,7 +2631,7 @@ bool TQObject::setProperty( const char *name, const TQVariant& value )
 	} else if ( v.type() != TQVariant::Int && v.type() != TQVariant::UInt ) {
 	    return FALSE;
 	}
-	return qt_property( id, 0, &v );
+	return tqt_property( id, 0, &v );
     }
 
     TQVariant::Type type = (TQVariant::Type)(p->flags >> 24);
@@ -2639,7 +2639,7 @@ bool TQObject::setProperty( const char *name, const TQVariant& value )
 	type = TQVariant::nameToType( p->type() );
     if ( type != TQVariant::Invalid && !v.canCast( type ) )
 	return FALSE;
-    return qt_property( id, 0, &v );
+    return tqt_property( id, 0, &v );
 }
 
 /*!
@@ -2666,8 +2666,8 @@ TQVariant TQObject::property( const char *name ) const
 		  className(), name );
 	return v;
     }
-    TQObject* that = (TQObject*) this; // moc ensures constness for the qt_property call
-    that->qt_property( id, 1, &v );
+    TQObject* that = (TQObject*) this; // moc ensures constness for the tqt_property call
+    that->tqt_property( id, 1, &v );
     return v;
 }
 
diff --git a/src/kernel/qpixmap_x11.cpp b/src/kernel/qpixmap_x11.cpp
index 328f7817..fb4168aa 100644
--- a/src/kernel/qpixmap_x11.cpp
+++ b/src/kernel/qpixmap_x11.cpp
@@ -112,7 +112,7 @@ static XShmSegmentInfo xshminfo;
 static XImage	      *xshmimg = 0;
 static Pixmap	       xshmpm  = 0;
 
-static void qt_cleanup_mitshm()
+static void tqt_cleanup_mitshm()
 {
     if ( xshmimg == 0 )
 	return;
@@ -137,11 +137,11 @@ static bool qt_create_mitshm_buffer( const TQPaintDevice* dev, int w, int h )
     Visual *vis	 = (Visual*)dev->x11Visual();
 
     if ( xshminit ) {
-	qt_cleanup_mitshm();
+	tqt_cleanup_mitshm();
     } else {
 	if ( !XShmQueryVersion(dpy, &major, &minor, &pixmaps_ok) )
 	    return FALSE;			// MIT Shm not supported
-	tqAddPostRoutine( qt_cleanup_mitshm );
+	tqAddPostRoutine( tqt_cleanup_mitshm );
 	xshminit = TRUE;
     }
 
diff --git a/src/kernel/qrichtext.cpp b/src/kernel/qrichtext.cpp
index 59f13022..42bcc9d2 100644
--- a/src/kernel/qrichtext.cpp
+++ b/src/kernel/qrichtext.cpp
@@ -7219,7 +7219,7 @@ static const Entity entitylist [] = {
 
 
 static TQMap<TQString, TQChar> *html_map = 0;
-static void qt_cleanup_html_map()
+static void tqt_cleanup_html_map()
 {
     delete html_map;
     html_map = 0;
@@ -7229,7 +7229,7 @@ static TQMap<TQString, TQChar> *htmlMap()
 {
     if ( !html_map ) {
 	html_map = new TQMap<TQString, TQChar>;
-	tqAddPostRoutine( qt_cleanup_html_map );
+	tqAddPostRoutine( tqt_cleanup_html_map );
 
 	const Entity *ent = entitylist;
 	while( ent->code ) {
diff --git a/src/kernel/qstylesheet.cpp b/src/kernel/qstylesheet.cpp
index e74a9be1..dcddbb9e 100644
--- a/src/kernel/qstylesheet.cpp
+++ b/src/kernel/qstylesheet.cpp
@@ -1286,7 +1286,7 @@ void TQStyleSheet::init()
 
 
 static TQStyleSheet* defaultsheet = 0;
-static TQSingleCleanupHandler<TQStyleSheet> qt_cleanup_stylesheet;
+static TQSingleCleanupHandler<TQStyleSheet> tqt_cleanup_stylesheet;
 
 /*!
     Returns the application-wide default style sheet. This style sheet
@@ -1302,7 +1302,7 @@ TQStyleSheet* TQStyleSheet::defaultSheet()
 {
     if (!defaultsheet) {
 	defaultsheet = new TQStyleSheet();
-	qt_cleanup_stylesheet.set( &defaultsheet );
+	tqt_cleanup_stylesheet.set( &defaultsheet );
     }
     return defaultsheet;
 }
@@ -1318,12 +1318,12 @@ void TQStyleSheet::setDefaultSheet( TQStyleSheet* sheet)
 {
     if ( defaultsheet != sheet ) {
 	if ( defaultsheet )
-	    qt_cleanup_stylesheet.reset();
+	    tqt_cleanup_stylesheet.reset();
 	delete defaultsheet;
     }
     defaultsheet = sheet;
     if ( defaultsheet )
-	qt_cleanup_stylesheet.set( &defaultsheet );
+	tqt_cleanup_stylesheet.set( &defaultsheet );
 }
 
 /*!\internal
diff --git a/src/kernel/qwidget.cpp b/src/kernel/qwidget.cpp
index 5a27310f..a29036c1 100644
--- a/src/kernel/qwidget.cpp
+++ b/src/kernel/qwidget.cpp
@@ -1760,8 +1760,8 @@ void TQWidget::setEnabled( bool enable )
 	// enforce the windows behavior of clearing the cursor on
 	// disabled widgets
 
-	extern void qt_x11_enforce_cursor( TQWidget * w ); // defined in qwidget_x11.cpp
-	qt_x11_enforce_cursor( this );
+	extern void tqt_x11_enforce_cursor( TQWidget * w ); // defined in qwidget_x11.cpp
+	tqt_x11_enforce_cursor( this );
     }
 #endif
 #ifdef Q_WS_WIN
@@ -4044,9 +4044,9 @@ void TQWidget::show()
     TQApplication::sendEvent( this, &showEvent );
 
     if ( testWFlags(WShowModal) ) {
-	// qt_enter_modal *before* show, otherwise the initial
+	// tqt_enter_modal *before* show, otherwise the initial
 	// stacking might be wrong
-	qt_enter_modal( this );
+	tqt_enter_modal( this );
     }
 
     // do not show the window directly, but post a show-window request
@@ -4096,7 +4096,7 @@ void TQWidget::hide()
     // destroyed and we lose all access to its parent because we haven't
     // left modality.  (Eg. modal Progress Dialog)
     if ( testWFlags(WShowModal) )
-	qt_leave_modal( this );
+	tqt_leave_modal( this );
 
 #if defined(Q_WS_WIN)
     if ( isTopLevel() && !isPopup() && parentWidget() && isActiveWindow() )
@@ -4940,7 +4940,7 @@ bool TQWidget::event( TQEvent *e )
 	    if ( e->type() == TQEvent::LanguageChange ) {
 		int index = metaObject()->findSlot( "languageChange()", TRUE );
 		if ( index >= 0 )
-		    qt_invoke( index, 0 );
+		    tqt_invoke( index, 0 );
 	    }
 	    update();
 	    break;
@@ -4985,7 +4985,7 @@ bool TQWidget::event( TQEvent *e )
 	    TQObject *o;
 	    while( ( o = it.current() ) != 0 ) {
 		++it;
-                TQWidget *w = ::qt_cast<TQWidget*>(o);
+                TQWidget *w = ::tqt_cast<TQWidget*>(o);
                 if (w && !w->testWFlags(TQt::WShowModal))
 	            TQApplication::sendEvent( o, e );
 	    }
diff --git a/src/kernel/qwidget_x11.cpp b/src/kernel/qwidget_x11.cpp
index d2631316..71c36373 100644
--- a/src/kernel/qwidget_x11.cpp
+++ b/src/kernel/qwidget_x11.cpp
@@ -207,7 +207,7 @@ Window qt_XCreateSimpleWindow( const TQWidget *creator,
 void qt_XDestroyWindow( const TQWidget *destroyer,
 			Display *display, Window window );
 
-Q_EXPORT void qt_x11_enforce_cursor( TQWidget * w )
+Q_EXPORT void tqt_x11_enforce_cursor( TQWidget * w )
 {
     if ( w->testWState( TQt::WState_OwnCursor ) ) {
 	TQCursor * oc = TQApplication::overrideCursor();
@@ -225,7 +225,7 @@ Q_EXPORT void qt_x11_enforce_cursor( TQWidget * w )
     }
 }
 
-Q_EXPORT void qt_wait_for_window_manager( TQWidget* w )
+Q_EXPORT void tqt_wait_for_window_manager( TQWidget* w )
 {
     TQApplication::flushX();
     XEvent ev;
@@ -754,7 +754,7 @@ void TQWidget::create( WId window, bool initializeWindow, bool destroyOldWindow)
     } else if ( topLevel ) {			// set X cursor
 	setWState( WState_OwnCursor );
 	if ( initializeWindow )
-	    qt_x11_enforce_cursor( this );
+	    tqt_x11_enforce_cursor( this );
     }
 
     if ( destroyw )
@@ -800,7 +800,7 @@ void TQWidget::destroy( bool destroyWindow, bool destroySubWindows )
 	if ( isTopLevel() )
 	    qt_deferred_map_take( this );
 	if ( testWFlags(WShowModal) )		// just be sure we leave modal
-	    qt_leave_modal( this );
+	    tqt_leave_modal( this );
 	else if ( testWFlags(WType_Popup) )
 	    tqApp->closePopup( this );
 
@@ -1210,7 +1210,7 @@ void TQWidget::setCursor( const TQCursor &cursor )
 	extra->curs = new TQCursor(cursor);
     }
     setWState( WState_OwnCursor );
-    qt_x11_enforce_cursor( this );
+    tqt_x11_enforce_cursor( this );
     XFlush( x11Display() );
 }
 
@@ -1222,7 +1222,7 @@ void TQWidget::unsetCursor()
     }
     if ( !isTopLevel() )
 	clearWState( WState_OwnCursor );
-    qt_x11_enforce_cursor( this );
+    tqt_x11_enforce_cursor( this );
     XFlush( x11Display() );
 }
 
@@ -1932,7 +1932,7 @@ void TQWidget::showWindow()
 	    && !(qt_net_supports(qt_net_wm_state_max_h)
 		 && qt_net_supports(qt_net_wm_state_max_v))) {
  	    XMapWindow( x11Display(), winId() );
- 	    qt_wait_for_window_manager(this);
+ 	    tqt_wait_for_window_manager(this);
 
  	    // if the wm was not smart enough to adjust our size, do that manually
  	    updateFrameStrut();
@@ -1956,7 +1956,7 @@ void TQWidget::showWindow()
 
 	if (isFullScreen() && !qt_net_supports(qt_net_wm_state_fullscreen)) {
  	    XMapWindow(x11Display(), winId());
- 	    qt_wait_for_window_manager(this);
+ 	    tqt_wait_for_window_manager(this);
 	    return;
 	}
     }
diff --git a/src/moc/moc.y b/src/moc/moc.y
index c9c3f0b9..0026ef2c 100644
--- a/src/moc/moc.y
+++ b/src/moc/moc.y
@@ -1816,7 +1816,7 @@ int main( int argc, char **argv )
     return ret;
 }
 #else
-bool qt_is_gui_used = FALSE;
+bool tqt_is_gui_used = FALSE;
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
@@ -2319,7 +2319,7 @@ char *straddSpc( const char *s1, const char *s2,
 
 
 /*
-  We call B::qt_invoke() rather than A::B::qt_invoke() to
+  We call B::tqt_invoke() rather than A::B::tqt_invoke() to
   work around a bug in MSVC 6. The bug occurs if the
   super-class is in a namespace and the sub-class isn't.
 
@@ -3065,7 +3065,7 @@ void generateClass()		      // generate C++ source code for a class
 //
 // Generate smart cast function
 //
-    fprintf( out, "\nvoid* %s::qt_cast( const char* clname )\n{\n",
+    fprintf( out, "\nvoid* %s::tqt_cast( const char* clname )\n{\n",
 	     (const char*)qualifiedClassName() );
     fprintf( out, "    if ( !qstrcmp( clname, \"%s\" ) )\n"
 		  "\treturn this;\n",
@@ -3078,7 +3078,7 @@ void generateClass()		      // generate C++ source code for a class
         fprintf( out, "\treturn (%s*)this;\n", fixed.data());
     }
     if ( !g->superClassName.isEmpty() && !isTQObject )
-	fprintf( out, "    return %s::qt_cast( clname );\n",
+	fprintf( out, "    return %s::tqt_cast( clname );\n",
 		 (const char*)purestSuperClassName() );
     else
 	fprintf( out, "    return 0;\n" );
@@ -3234,9 +3234,9 @@ void generateClass()		      // generate C++ source code for a class
 
 
 //
-// Generate internal qt_invoke()  function
+// Generate internal tqt_invoke()  function
 //
-    fprintf( out, "\nbool %s::qt_invoke( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_invoke( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
 
     if( !g->slots.isEmpty() ) {
 	fprintf( out, "    switch ( _id - staticMetaObject()->slotOffset() ) {\n" );
@@ -3298,7 +3298,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    default:\n" );
 
 	if ( !g->superClassName.isEmpty() && !isTQObject ) {
-	    fprintf( out, "\treturn %s::qt_invoke( _id, _o );\n",
+	    fprintf( out, "\treturn %s::tqt_invoke( _id, _o );\n",
 		     (const char *) purestSuperClassName() );
 	} else {
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -3307,7 +3307,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n}\n" );
     } else {
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "    return %s::qt_invoke(_id,_o);\n}\n",
+	    fprintf( out, "    return %s::tqt_invoke(_id,_o);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
@@ -3315,9 +3315,9 @@ void generateClass()		      // generate C++ source code for a class
 
 
 //
-// Generate internal qt_emit()  function
+// Generate internal tqt_emit()  function
 //
-    fprintf( out, "\nbool %s::qt_emit( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_emit( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
 
     if ( !g->signals.isEmpty() ) {
 	fprintf( out, "    switch ( _id - staticMetaObject()->signalOffset() ) {\n" );
@@ -3369,7 +3369,7 @@ void generateClass()		      // generate C++ source code for a class
 	}
 	fprintf( out, "    default:\n" );
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "\treturn %s::qt_emit(_id,_o);\n",
+	    fprintf( out, "\treturn %s::tqt_emit(_id,_o);\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -3377,7 +3377,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n}\n" );
     } else {
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "    return %s::qt_emit(_id,_o);\n}\n",
+	    fprintf( out, "    return %s::tqt_emit(_id,_o);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
@@ -3386,10 +3386,10 @@ void generateClass()		      // generate C++ source code for a class
 
     fprintf( out, "#ifndef QT_NO_PROPERTIES\n" );
 //
-// Generate internal qt_property()  functions
+// Generate internal tqt_property()  functions
 //
 
-    fprintf( out, "\nbool %s::qt_property( int id, int f, TQVariant* v)\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_property( int id, int f, TQVariant* v)\n{\n", qualifiedClassName().data() );
 
     if ( !g->props.isEmpty() ) {
 	fprintf( out, "    switch ( id - staticMetaObject()->propertyOffset() ) {\n" );
@@ -3502,7 +3502,7 @@ void generateClass()		      // generate C++ source code for a class
 	}
 	fprintf( out, "    default:\n" );
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "\treturn %s::qt_property( id, f, v );\n",
+	    fprintf( out, "\treturn %s::tqt_property( id, f, v );\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -3510,18 +3510,18 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n" );
 
 	if ( need_resolve )
-	    fprintf( out, "resolve:\n    return %s::qt_property( staticMetaObject()->resolveProperty(id), f, v );\n",
+	    fprintf( out, "resolve:\n    return %s::tqt_property( staticMetaObject()->resolveProperty(id), f, v );\n",
 		     (const char *) purestSuperClassName() );
 	fprintf( out, "}\n" );
     } else {
 	if ( !g->superClassName.isEmpty() &&  !isTQObject )
-	    fprintf( out, "    return %s::qt_property( id, f, v);\n}\n",
+	    fprintf( out, "    return %s::tqt_property( id, f, v);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
     }
 
-    fprintf( out, "\nbool %s::qt_static_property( TQObject* , int , int , TQVariant* ){ return FALSE; }\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_static_property( TQObject* , int , int , TQVariant* ){ return FALSE; }\n", qualifiedClassName().data() );
     fprintf( out, "#endif // QT_NO_PROPERTIES\n" );
 }
 
diff --git a/src/moc/moc_yacc.cpp b/src/moc/moc_yacc.cpp
index f3c5c75c..d7f661fe 100644
--- a/src/moc/moc_yacc.cpp
+++ b/src/moc/moc_yacc.cpp
@@ -4642,7 +4642,7 @@ int main( int argc, char **argv )
     return ret;
 }
 #else
-bool qt_is_gui_used = FALSE;
+bool tqt_is_gui_used = FALSE;
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
@@ -5145,7 +5145,7 @@ char *straddSpc( const char *s1, const char *s2,
 
 
 /*
-  We call B::qt_invoke() rather than A::B::qt_invoke() to
+  We call B::tqt_invoke() rather than A::B::tqt_invoke() to
   work around a bug in MSVC 6. The bug occurs if the
   super-class is in a namespace and the sub-class isn't.
 
@@ -5891,7 +5891,7 @@ void generateClass()		      // generate C++ source code for a class
 //
 // Generate smart cast function
 //
-    fprintf( out, "\nvoid* %s::qt_cast( const char* clname )\n{\n",
+    fprintf( out, "\nvoid* %s::tqt_cast( const char* clname )\n{\n",
 	     (const char*)qualifiedClassName() );
     fprintf( out, "    if ( !qstrcmp( clname, \"%s\" ) )\n"
 		  "\treturn this;\n",
@@ -5904,7 +5904,7 @@ void generateClass()		      // generate C++ source code for a class
         fprintf( out, "\treturn (%s*)this;\n", fixed.data());
     }
     if ( !g->superClassName.isEmpty() && !isTQObject )
-	fprintf( out, "    return %s::qt_cast( clname );\n",
+	fprintf( out, "    return %s::tqt_cast( clname );\n",
 		 (const char*)purestSuperClassName() );
     else
 	fprintf( out, "    return 0;\n" );
@@ -6060,9 +6060,9 @@ void generateClass()		      // generate C++ source code for a class
 
 
 //
-// Generate internal qt_invoke()  function
+// Generate internal tqt_invoke()  function
 //
-    fprintf( out, "\nbool %s::qt_invoke( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_invoke( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
 
     if( !g->slots.isEmpty() ) {
 	fprintf( out, "    switch ( _id - staticMetaObject()->slotOffset() ) {\n" );
@@ -6124,7 +6124,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    default:\n" );
 
 	if ( !g->superClassName.isEmpty() && !isTQObject ) {
-	    fprintf( out, "\treturn %s::qt_invoke( _id, _o );\n",
+	    fprintf( out, "\treturn %s::tqt_invoke( _id, _o );\n",
 		     (const char *) purestSuperClassName() );
 	} else {
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -6133,7 +6133,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n}\n" );
     } else {
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "    return %s::qt_invoke(_id,_o);\n}\n",
+	    fprintf( out, "    return %s::tqt_invoke(_id,_o);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
@@ -6141,9 +6141,9 @@ void generateClass()		      // generate C++ source code for a class
 
 
 //
-// Generate internal qt_emit()  function
+// Generate internal tqt_emit()  function
 //
-    fprintf( out, "\nbool %s::qt_emit( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_emit( int _id, TQUObject* _o )\n{\n", qualifiedClassName().data() );
 
     if ( !g->signals.isEmpty() ) {
 	fprintf( out, "    switch ( _id - staticMetaObject()->signalOffset() ) {\n" );
@@ -6195,7 +6195,7 @@ void generateClass()		      // generate C++ source code for a class
 	}
 	fprintf( out, "    default:\n" );
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "\treturn %s::qt_emit(_id,_o);\n",
+	    fprintf( out, "\treturn %s::tqt_emit(_id,_o);\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -6203,7 +6203,7 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n}\n" );
     } else {
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "    return %s::qt_emit(_id,_o);\n}\n",
+	    fprintf( out, "    return %s::tqt_emit(_id,_o);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
@@ -6212,10 +6212,10 @@ void generateClass()		      // generate C++ source code for a class
 
     fprintf( out, "#ifndef QT_NO_PROPERTIES\n" );
 //
-// Generate internal qt_property()  functions
+// Generate internal tqt_property()  functions
 //
 
-    fprintf( out, "\nbool %s::qt_property( int id, int f, TQVariant* v)\n{\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_property( int id, int f, TQVariant* v)\n{\n", qualifiedClassName().data() );
 
     if ( !g->props.isEmpty() ) {
 	fprintf( out, "    switch ( id - staticMetaObject()->propertyOffset() ) {\n" );
@@ -6328,7 +6328,7 @@ void generateClass()		      // generate C++ source code for a class
 	}
 	fprintf( out, "    default:\n" );
 	if ( !g->superClassName.isEmpty()  && !isTQObject )
-	    fprintf( out, "\treturn %s::qt_property( id, f, v );\n",
+	    fprintf( out, "\treturn %s::tqt_property( id, f, v );\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "\treturn FALSE;\n" );
@@ -6336,18 +6336,18 @@ void generateClass()		      // generate C++ source code for a class
 	fprintf( out, "    return TRUE;\n" );
 
 	if ( need_resolve )
-	    fprintf( out, "resolve:\n    return %s::qt_property( staticMetaObject()->resolveProperty(id), f, v );\n",
+	    fprintf( out, "resolve:\n    return %s::tqt_property( staticMetaObject()->resolveProperty(id), f, v );\n",
 		     (const char *) purestSuperClassName() );
 	fprintf( out, "}\n" );
     } else {
 	if ( !g->superClassName.isEmpty() &&  !isTQObject )
-	    fprintf( out, "    return %s::qt_property( id, f, v);\n}\n",
+	    fprintf( out, "    return %s::tqt_property( id, f, v);\n}\n",
 		     (const char *) purestSuperClassName() );
 	else
 	    fprintf( out, "    return FALSE;\n}\n" );
     }
 
-    fprintf( out, "\nbool %s::qt_static_property( TQObject* , int , int , TQVariant* ){ return FALSE; }\n", qualifiedClassName().data() );
+    fprintf( out, "\nbool %s::tqt_static_property( TQObject* , int , int , TQVariant* ){ return FALSE; }\n", qualifiedClassName().data() );
     fprintf( out, "#endif // QT_NO_PROPERTIES\n" );
 }
 
diff --git a/src/styles/qcommonstyle.cpp b/src/styles/qcommonstyle.cpp
index fa95124e..3510574c 100644
--- a/src/styles/qcommonstyle.cpp
+++ b/src/styles/qcommonstyle.cpp
@@ -1674,7 +1674,7 @@ void TQCommonStyle::drawComplexControl( ComplexControl control,
 		down = active & SC_TitleBarCloseButton;
 		if ( widget->testWFlags( WStyle_Tool )
 #ifndef QT_NO_MAINWINDOW
-		     || ::qt_cast<TQDockWindow*>(widget)
+		     || ::tqt_cast<TQDockWindow*>(widget)
 #endif
 		    )
 		    pm = stylePixmap(SP_DockWindowCloseButton, widget);
@@ -2254,7 +2254,7 @@ int TQCommonStyle::pixelMetric(PixelMetric m, const TQWidget *widget) const
 	    if ( widget->testWFlags( WStyle_Tool ) ) {
 		ret = TQMAX( widget->fontMetrics().lineSpacing(), 16 );
 #ifndef QT_NO_MAINWINDOW
-	    } else if ( ::qt_cast<TQDockWindow*>(widget) ) {
+	    } else if ( ::tqt_cast<TQDockWindow*>(widget) ) {
 		ret = TQMAX( widget->fontMetrics().lineSpacing(), 13 );
 #endif
 	    } else {
diff --git a/src/styles/qmotifplusstyle.cpp b/src/styles/qmotifplusstyle.cpp
index 528e6dce..36358792 100644
--- a/src/styles/qmotifplusstyle.cpp
+++ b/src/styles/qmotifplusstyle.cpp
@@ -179,24 +179,24 @@ void TQMotifPlusStyle::polish(TQPalette &)
 void TQMotifPlusStyle::polish(TQWidget *widget)
 {
 #ifndef QT_NO_FRAME
-    if (::qt_cast<TQFrame*>(widget) && ((TQFrame *) widget)->frameStyle() == TQFrame::Panel)
+    if (::tqt_cast<TQFrame*>(widget) && ((TQFrame *) widget)->frameStyle() == TQFrame::Panel)
         ((TQFrame *) widget)->setFrameStyle(TQFrame::WinPanel);
 #endif
 
 #ifndef QT_NO_MENUBAR
-    if (::qt_cast<TQMenuBar*>(widget) && ((TQMenuBar *) widget)->frameStyle() != TQFrame::NoFrame)
+    if (::tqt_cast<TQMenuBar*>(widget) && ((TQMenuBar *) widget)->frameStyle() != TQFrame::NoFrame)
         ((TQMenuBar *) widget)->setFrameStyle(TQFrame::StyledPanel | TQFrame::Raised);
 #endif
 
 #ifndef QT_NO_TOOLBAR
-    if (::qt_cast<TQToolBar*>(widget))
+    if (::tqt_cast<TQToolBar*>(widget))
         widget->layout()->setMargin(2);
 #endif
     if (useHoveringHighlight) {
-	if (::qt_cast<TQButton*>(widget) || ::qt_cast<TQComboBox*>(widget))
+	if (::tqt_cast<TQButton*>(widget) || ::tqt_cast<TQComboBox*>(widget))
 	    widget->installEventFilter(this);
 
-	if (::qt_cast<TQScrollBar*>(widget) || ::qt_cast<TQSlider*>(widget)) {
+	if (::tqt_cast<TQScrollBar*>(widget) || ::tqt_cast<TQSlider*>(widget)) {
 	    widget->setMouseTracking(TRUE);
 	    widget->installEventFilter(this);
 	}
@@ -1493,7 +1493,7 @@ bool TQMotifPlusStyle::eventFilter(TQObject *object, TQEvent *event)
         {
 	    singleton->mousePressed = TRUE;
 
-            if (!::qt_cast<TQSlider*>(object))
+            if (!::tqt_cast<TQSlider*>(object))
 		break;
 
 	    singleton->sliderActive = TRUE;
@@ -1504,7 +1504,7 @@ bool TQMotifPlusStyle::eventFilter(TQObject *object, TQEvent *event)
         {
 	    singleton->mousePressed = FALSE;
 
-            if (!::qt_cast<TQSlider*>(object))
+            if (!::tqt_cast<TQSlider*>(object))
 		break;
 
 	    singleton->sliderActive = FALSE;
@@ -1541,7 +1541,7 @@ bool TQMotifPlusStyle::eventFilter(TQObject *object, TQEvent *event)
 	    if (! object->isWidgetType() || object != singleton->hoverWidget)
 		break;
 
-	    if (!::qt_cast<TQScrollBar*>(object) && ! ::qt_cast<TQSlider*>(object))
+	    if (!::tqt_cast<TQScrollBar*>(object) && ! ::tqt_cast<TQSlider*>(object))
 		break;
 
 	    singleton->mousePos = ((TQMouseEvent *) event)->pos();
diff --git a/src/styles/qsgistyle.cpp b/src/styles/qsgistyle.cpp
index e09b4aa3..86dcef36 100644
--- a/src/styles/qsgistyle.cpp
+++ b/src/styles/qsgistyle.cpp
@@ -214,7 +214,7 @@ TQSGIStyle::polish( TQWidget* w )
             sgiPal.setColor( TQPalette::Disabled, TQColorGroup::HighlightedText, sgiPal.disabled().base() );
         }
 
-        if ( ::qt_cast<TQLineEdit*>(w) || ::qt_cast<TQTextEdit*>(w) ) {
+        if ( ::tqt_cast<TQLineEdit*>(w) || ::tqt_cast<TQTextEdit*>(w) ) {
             // different basecolor and highlighting in Q(Multi)LineEdit
             sgiPal.setColor( TQColorGroup::Base, TQColor(211,181,181) );
             sgiPal.setColor( TQPalette::Active, TQColorGroup::Highlight, sgiPal.active().midlight() );
@@ -224,27 +224,27 @@ TQSGIStyle::polish( TQWidget* w )
             sgiPal.setColor( TQPalette::Disabled, TQColorGroup::Highlight, sgiPal.disabled().midlight() );
             sgiPal.setColor( TQPalette::Disabled, TQColorGroup::HighlightedText, sgiPal.disabled().text() );
 
-        } else if ( ::qt_cast<TQMenuBar*>(w) || ::qt_cast<TQToolBar*>(w) ) {
+        } else if ( ::tqt_cast<TQMenuBar*>(w) || ::tqt_cast<TQToolBar*>(w) ) {
             sgiPal.setColor( TQColorGroup::Button, sgiPal.active().midlight() );
         }
 
         w->setPalette( sgiPal );
     }
 
-    if ( ::qt_cast<TQButton*>(w) || ::qt_cast<TQSlider*>(w) || ::qt_cast<TQScrollBar*>(w) ) {
+    if ( ::tqt_cast<TQButton*>(w) || ::tqt_cast<TQSlider*>(w) || ::tqt_cast<TQScrollBar*>(w) ) {
         w->installEventFilter( this );
         w->setMouseTracking( TRUE );
 #ifndef QT_NO_SCROLLBAR
-        if ( ::qt_cast<TQScrollBar*>(w) )
+        if ( ::tqt_cast<TQScrollBar*>(w) )
             w->setBackgroundMode( TQWidget::NoBackground );
 #endif
-    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 	TQFont f = TQApplication::font();
 	f.setBold( TRUE );
 	f.setItalic( TRUE );
 	w->setFont( f );
 #ifndef QT_NO_MENUBAR
-    } else if ( ::qt_cast<TQMenuBar*>(w) ) {
+    } else if ( ::tqt_cast<TQMenuBar*>(w) ) {
         ((TQFrame*) w)->setFrameStyle(TQFrame::StyledPanel | TQFrame::Raised);
         w->setBackgroundMode( TQWidget::PaletteBackground );
 	TQFont f = TQApplication::font();
@@ -253,14 +253,14 @@ TQSGIStyle::polish( TQWidget* w )
 	w->setFont( f );
 #endif
 #ifndef QT_NO_POPUPMENU
-    } else if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    } else if ( ::tqt_cast<TQPopupMenu*>(w) ) {
         ((TQFrame*) w)->setLineWidth( pixelMetric( PM_DefaultFrameWidth ) + 1 );
 	TQFont f = TQApplication::font();
 	f.setBold( TRUE );
 	f.setItalic( TRUE );
 	w->setFont( f );
 #endif
-    } else if ( ::qt_cast<TQToolBar*>(w) || w->inherits("TQToolBarSeparator") ) {
+    } else if ( ::tqt_cast<TQToolBar*>(w) || w->inherits("TQToolBarSeparator") ) {
         w->setBackgroundMode( TQWidget::PaletteBackground );
     }
 }
@@ -269,15 +269,15 @@ TQSGIStyle::polish( TQWidget* w )
 void
 TQSGIStyle::unPolish( TQWidget* w )
 {
-    if ( ::qt_cast<TQButton*>(w) || ::qt_cast<TQSlider*>(w) || ::qt_cast<TQScrollBar*>(w) ) {
+    if ( ::tqt_cast<TQButton*>(w) || ::tqt_cast<TQSlider*>(w) || ::tqt_cast<TQScrollBar*>(w) ) {
         w->removeEventFilter( this );
 #ifndef QT_NO_POPUPMENU
-    } else if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    } else if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	((TQFrame*)w)->setLineWidth( pixelMetric( PM_DefaultFrameWidth ) );
 	w->setFont( TQApplication::font() );
 #endif
 #if !defined(QT_NO_MENUBAR) || !defined(QT_NO_COMBOBOX)
-    } else if ( ::qt_cast<TQMenuBar*>(w) || ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQMenuBar*>(w) || ::tqt_cast<TQComboBox*>(w) ) {
 	w->setFont( TQApplication::font() );
 #endif
     }
@@ -295,7 +295,7 @@ bool TQSGIStyle::eventFilter( TQObject* o, TQEvent* e )
     case TQEvent::MouseButtonPress:
         {
 #ifndef QT_NO_SCROLLBAR
-	    if ( ::qt_cast<TQScrollBar*>(widget) ) {
+	    if ( ::tqt_cast<TQScrollBar*>(widget) ) {
 		d->lastScrollbarRect.rect = ((TQScrollBar*)widget)->sliderRect();
 		d->lastScrollbarRect.scrollbar = ((TQScrollBar*)widget);
 		widget->repaint( FALSE );
@@ -303,7 +303,7 @@ bool TQSGIStyle::eventFilter( TQObject* o, TQEvent* e )
 #endif
 	    {
 #ifndef QT_NO_SLIDER
-		if ( ::qt_cast<TQSlider*>(widget) ) {
+		if ( ::tqt_cast<TQSlider*>(widget) ) {
 		    d->lastSliderRect.rect = ((TQSlider*)widget)->sliderRect();
 		    d->lastSliderRect.slider = ((TQSlider*)widget);
 		    widget->repaint( FALSE );
@@ -317,13 +317,13 @@ bool TQSGIStyle::eventFilter( TQObject* o, TQEvent* e )
         {
 	    if ( 0 ) {
 #ifndef QT_NO_SCROLLBAR
-	    } else if ( ::qt_cast<TQScrollBar*>(widget) ) {
+	    } else if ( ::tqt_cast<TQScrollBar*>(widget) ) {
 		TQRect oldRect = d->lastScrollbarRect.rect;
 		d->lastScrollbarRect.rect = TQRect( 0, -1, 0, -1 );
 		widget->repaint( oldRect, FALSE );
 #endif
 #ifndef QT_NO_SLIDER
-	    } else if ( ::qt_cast<TQSlider*>(widget) ) {
+	    } else if ( ::tqt_cast<TQSlider*>(widget) ) {
 		TQRect oldRect = d->lastSliderRect.rect;
 		d->lastSliderRect.rect = TQRect( 0, -1, 0, -1 );
 		widget->repaint( oldRect, FALSE );
diff --git a/src/styles/qwindowsstyle.cpp b/src/styles/qwindowsstyle.cpp
index b58eb9d8..e716a53e 100644
--- a/src/styles/qwindowsstyle.cpp
+++ b/src/styles/qwindowsstyle.cpp
@@ -129,7 +129,7 @@ bool TQWindowsStyle::Private::eventFilter(TQObject *o, TQEvent *e)
     if (!o->isWidgetType())
 	return TQObject::eventFilter(o, e);
 
-    TQWidget *widget = ::qt_cast<TQWidget*>(o);
+    TQWidget *widget = ::tqt_cast<TQWidget*>(o);
 
     switch(e->type()) {
     case TQEvent::KeyPress:
@@ -179,7 +179,7 @@ bool TQWindowsStyle::Private::eventFilter(TQObject *o, TQEvent *e)
     case TQEvent::FocusOut:
 	{
 	    // Menubars toggle based on focus
-	    TQMenuBar *menuBar = ::qt_cast<TQMenuBar*>(o);
+	    TQMenuBar *menuBar = ::tqt_cast<TQMenuBar*>(o);
 	    if (menuBar && !menuBarTimer) // delayed repaint to avoid flicker
 		menuBarTimer = menuBar->startTimer(0);
 	}
@@ -191,7 +191,7 @@ bool TQWindowsStyle::Private::eventFilter(TQObject *o, TQEvent *e)
 	break;
     case TQEvent::Timer:
 	{
-	    TQMenuBar *menuBar = ::qt_cast<TQMenuBar*>(o);
+	    TQMenuBar *menuBar = ::tqt_cast<TQMenuBar*>(o);
 	    TQTimerEvent *te = (TQTimerEvent*)e;
 	    if (menuBar && te->timerId() == menuBarTimer) {
 		menuBar->killTimer(te->timerId());
@@ -1116,7 +1116,7 @@ int TQWindowsStyle::pixelMetric(PixelMetric metric, const TQWidget *widget) cons
 
 #if defined(Q_WS_WIN)
     case PM_TitleBarHeight:
-	if ( widget && ( widget->testWFlags( WStyle_Tool ) || ::qt_cast<TQDockWindow*>(widget) ) ) {
+	if ( widget && ( widget->testWFlags( WStyle_Tool ) || ::tqt_cast<TQDockWindow*>(widget) ) ) {
 	    // MS always use one less than they say
 #if defined(Q_OS_TEMP)
 	    ret = GetSystemMetrics( SM_CYCAPTION ) - 1;
@@ -2084,10 +2084,10 @@ int TQWindowsStyle::styleHint( StyleHint hint,
 	    ret = cues ? 1 : 0;
 	    // Do nothing if we always paint underlines
 	    if (!ret && widget && d) {
-		TQMenuBar *menuBar = ::qt_cast<TQMenuBar*>(widget);
+		TQMenuBar *menuBar = ::tqt_cast<TQMenuBar*>(widget);
 		TQPopupMenu *popupMenu = 0;
 		if (!menuBar)
-		    popupMenu = ::qt_cast<TQPopupMenu*>(widget);
+		    popupMenu = ::tqt_cast<TQPopupMenu*>(widget);
 
 		// If we paint a menubar draw underlines if it has focus, or if alt is down,
 		// or if a popup menu belonging to the menubar is active and paints underlines
@@ -2097,8 +2097,8 @@ int TQWindowsStyle::styleHint( StyleHint hint,
 		    } else if (d->altDown()) {
 			ret = 1;
 		    } else if (tqApp->focusWidget() && tqApp->focusWidget()->isPopup()) {
-			popupMenu = ::qt_cast<TQPopupMenu*>(tqApp->focusWidget());
-			TQMenuData *pm = popupMenu ? (TQMenuData*)popupMenu->qt_cast("TQMenuData") : 0;
+			popupMenu = ::tqt_cast<TQPopupMenu*>(tqApp->focusWidget());
+			TQMenuData *pm = popupMenu ? (TQMenuData*)popupMenu->tqt_cast("TQMenuData") : 0;
 			if (pm && ((FriendlyMenuData*)pm)->parentMenu == menuBar) {
 			    if (d->hasSeenAlt(menuBar))
 				ret = 1;
@@ -2106,7 +2106,7 @@ int TQWindowsStyle::styleHint( StyleHint hint,
 		    }
 		// If we paint a popup menu draw underlines if the respective menubar does
 		} else if (popupMenu) {
-		    TQMenuData *pm = (TQMenuData*)popupMenu->qt_cast("TQMenuData");
+		    TQMenuData *pm = (TQMenuData*)popupMenu->tqt_cast("TQMenuData");
 		    while (pm) {
 			if (((FriendlyMenuData*)pm)->isMenuBar) {
 			    menuBar = (TQMenuBar*)pm;
diff --git a/src/table/qtable.cpp b/src/table/qtable.cpp
index 94ee5393..40f407bf 100644
--- a/src/table/qtable.cpp
+++ b/src/table/qtable.cpp
@@ -819,7 +819,7 @@ a TQLineEdit you will need to reimplement this function.
 
 void TQTableItem::setContentFromEditor( TQWidget *w )
 {
-    TQLineEdit *le = ::qt_cast<TQLineEdit*>(w);
+    TQLineEdit *le = ::tqt_cast<TQLineEdit*>(w);
     if ( le ) {
 	TQString input = le->text();
 	if ( le->validator() )
@@ -1280,7 +1280,7 @@ TQWidget *TQComboTableItem::createEditor() const
 
 void TQComboTableItem::setContentFromEditor( TQWidget *w )
 {
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb ) {
 	entries.clear();
 	for ( int i = 0; i < cb->count(); ++i )
@@ -1326,7 +1326,7 @@ void TQComboTableItem::paint( TQPainter *p, const TQColorGroup &cg,
 void TQComboTableItem::setCurrentItem( int i )
 {
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb ) {
 	cb->setCurrentItem( i );
 	current = i;
@@ -1363,7 +1363,7 @@ void TQComboTableItem::setCurrentItem( const TQString &s )
 int TQComboTableItem::currentItem() const
 {
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb )
 	return cb->currentItem();
     return current;
@@ -1378,7 +1378,7 @@ int TQComboTableItem::currentItem() const
 TQString TQComboTableItem::currentText() const
 {
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb )
 	return cb->currentText();
     return *entries.at( current );
@@ -1391,7 +1391,7 @@ TQString TQComboTableItem::currentText() const
 int TQComboTableItem::count() const
 {
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb )
 	return cb->count();
     return (int)entries.count();    //### size_t/int cast
@@ -1406,7 +1406,7 @@ int TQComboTableItem::count() const
 TQString TQComboTableItem::text( int i ) const
 {
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQComboBox *cb = ::qt_cast<TQComboBox*>(w);
+    TQComboBox *cb = ::tqt_cast<TQComboBox*>(w);
     if ( cb )
 	return cb->text( i );
     return *entries.at( i );
@@ -1523,7 +1523,7 @@ void TQCheckTableItem::setText( const TQString &t )
 {
     TQTableItem::setText( t );
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQCheckBox *cb = ::qt_cast<TQCheckBox*>(w);
+    TQCheckBox *cb = ::tqt_cast<TQCheckBox*>(w);
     if ( cb )
 	cb->setText( t );
 }
@@ -1546,7 +1546,7 @@ TQWidget *TQCheckTableItem::createEditor() const
 
 void TQCheckTableItem::setContentFromEditor( TQWidget *w )
 {
-    TQCheckBox *cb = ::qt_cast<TQCheckBox*>(w);
+    TQCheckBox *cb = ::tqt_cast<TQCheckBox*>(w);
     if ( cb )
 	checked = cb->isChecked();
 }
@@ -1599,7 +1599,7 @@ void TQCheckTableItem::setChecked( bool b )
     checked = b;
     table()->updateCell( row(), col() );
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQCheckBox *cb = ::qt_cast<TQCheckBox*>(w);
+    TQCheckBox *cb = ::tqt_cast<TQCheckBox*>(w);
     if ( cb )
 	cb->setChecked( b );
 }
@@ -1618,7 +1618,7 @@ bool TQCheckTableItem::isChecked() const
     // #### and end up in an infinite loop that way
     // table()->updateCell( row(), col() );
     TQWidget *w = table()->cellWidget( row(), col() );
-    TQCheckBox *cb = ::qt_cast<TQCheckBox*>(w);
+    TQCheckBox *cb = ::tqt_cast<TQCheckBox*>(w);
     if ( cb )
 	return cb->isChecked();
     return checked;
@@ -3591,7 +3591,7 @@ void TQTable::selectRow( int row )
 	return;
     bool isDataTable = FALSE;
 #ifndef QT_NO_SQL
-    isDataTable = ::qt_cast<TQDataTable*>(this) != 0;
+    isDataTable = ::tqt_cast<TQDataTable*>(this) != 0;
 #endif
     if ( isDataTable || selectionMode() == SingleRow ) {
 	setCurrentCell( row, currentColumn() );
@@ -3701,7 +3701,7 @@ void TQTable::contentsMousePressEventEx( TQMouseEvent* e )
 	TQTableItem *itm = item( tmpRow, tmpCol );
 	if ( itm && itm->editType() == TQTableItem::WhenCurrent ) {
 	    TQWidget *w = cellWidget( tmpRow, tmpCol );
-	    if ( ::qt_cast<TQComboBox*>(w) || ::qt_cast<TQButton*>(w) ) {
+	    if ( ::tqt_cast<TQComboBox*>(w) || ::tqt_cast<TQButton*>(w) ) {
 		TQMouseEvent ev( e->type(), w->mapFromGlobal( e->globalPos() ),
 				e->globalPos(), e->button(), e->state() );
 		TQApplication::sendPostedEvents( w, 0 );
@@ -5210,7 +5210,7 @@ void TQTable::setCellContentFromEditor( int row, int col )
     if ( i ) {
 	i->setContentFromEditor( editor );
     } else {
-	TQLineEdit *le = ::qt_cast<TQLineEdit*>(editor);
+	TQLineEdit *le = ::tqt_cast<TQLineEdit*>(editor);
 	if ( le )
 	    setText( row, col, le->text() );
     }
diff --git a/src/tools/qglobal.cpp b/src/tools/qglobal.cpp
index f2c92c2e..296e600f 100644
--- a/src/tools/qglobal.cpp
+++ b/src/tools/qglobal.cpp
@@ -450,10 +450,10 @@ static const int QT_BUFFER_LENGTH = 8196;	// internal buffer length
 
 #include "qt_mac.h"
 
-extern bool qt_is_gui_used;
+extern bool tqt_is_gui_used;
 static void mac_default_handler( const char *msg )
 {
-    if ( qt_is_gui_used ) {
+    if ( tqt_is_gui_used ) {
 	const unsigned char *p = p_str(msg);
 	DebugStr(p);
 	free((void*)p);
diff --git a/src/widgets/qaction.cpp b/src/widgets/qaction.cpp
index 314a4f70..391b47ee 100644
--- a/src/widgets/qaction.cpp
+++ b/src/widgets/qaction.cpp
@@ -220,18 +220,18 @@ TQActionPrivate::~TQActionPrivate()
 	++itci;
 	TQComboBox* combo = ci->combo;
 	combo->clear();
-	TQActionGroup *group = ::qt_cast<TQActionGroup*>(action->parent());
+	TQActionGroup *group = ::tqt_cast<TQActionGroup*>(action->parent());
 	TQObjectList *siblings = group ? group->queryList("TQAction") : 0;
 	if (siblings) {
 	    TQObjectListIt it(*siblings);
 	    while (it.current()) {
-		TQAction *sib = ::qt_cast<TQAction*>(it.current());
+		TQAction *sib = ::tqt_cast<TQAction*>(it.current());
 		++it;
 		sib->removeFrom(combo);
 	    }
 	    it = TQObjectListIt(*siblings);
 	    while (it.current()) {
-		TQAction *sib = ::qt_cast<TQAction*>(it.current());
+		TQAction *sib = ::tqt_cast<TQAction*>(it.current());
 		++it;
 		if (sib == action)
 		    continue;
@@ -568,7 +568,7 @@ TQAction::TQAction( const TQString& text, const TQString& menuText, TQKeySequenc
 */
 void TQAction::init()
 {
-    if ( ::qt_cast<TQActionGroup*>(parent()) )
+    if ( ::tqt_cast<TQActionGroup*>(parent()) )
 	((TQActionGroup*) parent())->add( this );		// insert into action group
 }
 
@@ -1008,7 +1008,7 @@ void TQAction::toolButtonToggled( bool on )
 bool TQAction::addTo( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	if ( !qstrcmp( name(), "qt_separator_action" ) ) {
 	    ((TQToolBar*)w)->addSeparator();
 	} else {
@@ -1030,7 +1030,7 @@ bool TQAction::addTo( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQActionPrivate::MenuItem* mi = new TQActionPrivate::MenuItem;
 	mi->popup = (TQPopupMenu*) w;
 	TQIconSet* diconset = d->iconset;
@@ -1049,7 +1049,7 @@ bool TQAction::addTo( TQWidget* w )
 	connect( mi->popup, SIGNAL(aboutToHide()), this, SLOT(clearStatusText()) );
 	connect( mi->popup, SIGNAL( destroyed() ), this, SLOT( objectDestroyed() ) );
     // Makes only sense when called by TQActionGroup::addTo
-    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 	TQActionPrivate::ComboItem *ci = new TQActionPrivate::ComboItem;
 	ci->combo = (TQComboBox*)w;
 	connect( ci->combo, SIGNAL( destroyed() ), this, SLOT( objectDestroyed() ) );
@@ -1108,7 +1108,7 @@ void TQAction::showStatusText( const TQString& text )
     static TQPopupMenu *lastmenu = 0;
     TQObject *s = (TQObject*)sender();
     if ( s ) {
-	TQPopupMenu *menu = (TQPopupMenu*)s->qt_cast( "TQPopupMenu" );
+	TQPopupMenu *menu = (TQPopupMenu*)s->tqt_cast( "TQPopupMenu" );
 	if ( menu && !!text )
 	    lastmenu = menu;
 	else if ( menu && text.isEmpty() ) {
@@ -1188,7 +1188,7 @@ void TQAction::clearStatusText()
 bool TQAction::removeFrom( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	TQPtrListIterator<TQToolButton> it( d->toolbuttons);
 	TQToolButton* btn;
 	while ( ( btn = it.current() ) ) {
@@ -1202,7 +1202,7 @@ bool TQAction::removeFrom( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPtrListIterator<TQActionPrivate::MenuItem> it( d->menuitems);
 	TQActionPrivate::MenuItem* mi;
 	while ( ( mi = it.current() ) ) {
@@ -1215,7 +1215,7 @@ bool TQAction::removeFrom( TQWidget* w )
 		d->menuitems.removeRef( mi );
 	    }
 	}
-    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 	TQPtrListIterator<TQActionPrivate::ComboItem> it( d->comboitems );
 	TQActionPrivate::ComboItem *ci;
 	while ( ( ci = it.current() ) ) {
@@ -1347,7 +1347,7 @@ void TQActionGroupPrivate::update( const TQActionGroup* that )
     }
     for ( TQPtrListIterator<TQActionGroupPrivate::MenuItem> pu( menuitems ); pu.current(); ++pu ) {
 	TQWidget* parent = pu.current()->popup->parentWidget();
-	if ( ::qt_cast<TQPopupMenu*>(parent) ) {
+	if ( ::tqt_cast<TQPopupMenu*>(parent) ) {
 	    TQPopupMenu* ppopup = (TQPopupMenu*)parent;
 	    ppopup->setItemEnabled( pu.current()->id, that->isEnabled() );
 	    ppopup->setItemVisible( pu.current()->id, that->isVisible() );
@@ -1357,7 +1357,7 @@ void TQActionGroupPrivate::update( const TQActionGroup* that )
     }
     for ( TQPtrListIterator<TQPopupMenu> pm( popupmenus ); pm.current(); ++pm ) {
 	TQPopupMenu *popup = pm.current();
-	TQPopupMenu *parent = ::qt_cast<TQPopupMenu*>(popup->parentWidget());
+	TQPopupMenu *parent = ::tqt_cast<TQPopupMenu*>(popup->parentWidget());
 	if ( !parent )
 	    continue;
 
@@ -1654,7 +1654,7 @@ void TQActionGroup::addSeparator()
 bool TQActionGroup::addTo( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	if ( d->dropdown ) {
 	    if ( !d->exclusive ) {
 		TQPtrListIterator<TQAction> it( d->actions);
@@ -1737,7 +1737,7 @@ bool TQActionGroup::addTo( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPopupMenu *popup;
 	if ( d->dropdown ) {
 	    TQPopupMenu *menu = (TQPopupMenu*)w;
@@ -1791,7 +1791,7 @@ bool TQActionGroup::removeFrom( TQWidget* w )
     }
 
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	TQPtrListIterator<TQComboBox> cb( d->comboboxes );
 	while( cb.current() ) {
 	    TQComboBox *box = cb.current();
@@ -1808,7 +1808,7 @@ bool TQActionGroup::removeFrom( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPtrListIterator<TQActionGroupPrivate::MenuItem> pu( d->menuitems );
 	while ( pu.current() ) {
 	    TQActionGroupPrivate::MenuItem *mi = pu.current();
@@ -1959,7 +1959,7 @@ void TQActionGroup::childEvent( TQChildEvent *e )
     if ( !e->removed() )
 	return;
 
-    TQAction *action = ::qt_cast<TQAction*>(e->child());
+    TQAction *action = ::tqt_cast<TQAction*>(e->child());
     if ( !action )
 	return;
 
diff --git a/src/widgets/qbutton.cpp b/src/widgets/qbutton.cpp
index d24dd17f..05539be9 100644
--- a/src/widgets/qbutton.cpp
+++ b/src/widgets/qbutton.cpp
@@ -391,7 +391,7 @@ TQButton::TQButton( TQWidget *parent, const char *name, WFlags f )
     repeat     = FALSE;				// not in autorepeat mode
     d	       = 0;
 #ifndef QT_NO_BUTTONGROUP
-    if ( ::qt_cast<TQButtonGroup*>(parent) ) {
+    if ( ::tqt_cast<TQButtonGroup*>(parent) ) {
 	setGroup((TQButtonGroup*)parent);
 	group()->insert( this );		// insert into button group
     }
@@ -705,7 +705,7 @@ void TQButton::keyPressEvent( TQKeyEvent *e )
     case Key_Return:
 	{
 #ifndef QT_NO_PUSHBUTTON
-	    TQPushButton *pb = (TQPushButton*)qt_cast( "TQPushButton" );
+	    TQPushButton *pb = (TQPushButton*)tqt_cast( "TQPushButton" );
 	    if ( pb && ( pb->autoDefault() || pb->isDefault() ) )
 		emit clicked();
 	    else
@@ -717,7 +717,7 @@ void TQButton::keyPressEvent( TQKeyEvent *e )
 	if ( !e->isAutoRepeat() ) {
 	    setDown( TRUE );
 #ifndef QT_NO_PUSHBUTTON
-	    if ( ::qt_cast<TQPushButton*>(this) )
+	    if ( ::tqt_cast<TQPushButton*>(this) )
 		emit pressed();
 	    else
 #endif
@@ -999,7 +999,7 @@ bool TQButton::isExclusiveToggle() const
 #ifndef QT_NO_BUTTONGROUP
     return group() && ( group()->isExclusive() ||
 			group()->isRadioButtonExclusive() &&
-			::qt_cast<TQRadioButton*>(this) );
+			::tqt_cast<TQRadioButton*>(this) );
 #else
     return FALSE;
 #endif
diff --git a/src/widgets/qbuttongroup.cpp b/src/widgets/qbuttongroup.cpp
index c94ba037..5745cd3f 100644
--- a/src/widgets/qbuttongroup.cpp
+++ b/src/widgets/qbuttongroup.cpp
@@ -410,7 +410,7 @@ void TQButtonGroup::buttonClicked()
 {
     // introduce a TQButtonListIt if calling anything
     int id = -1;
-    TQButton *bt = ::qt_cast<TQButton*>(sender());		// object that sent the signal
+    TQButton *bt = ::tqt_cast<TQButton*>(sender());		// object that sent the signal
 #if defined(QT_CHECK_NULL)
     Q_ASSERT( bt );
 #endif
@@ -436,19 +436,19 @@ void TQButtonGroup::buttonToggled( bool on )
     // introduce a TQButtonListIt if calling anything
     if ( !on || !excl_grp && !radio_excl )
 	return;
-    TQButton *bt = ::qt_cast<TQButton*>(sender());		// object that sent the signal
+    TQButton *bt = ::tqt_cast<TQButton*>(sender());		// object that sent the signal
 #if defined(QT_CHECK_NULL)
     Q_ASSERT( bt );
     Q_ASSERT( bt->isToggleButton() );
 #endif
 
-    if ( !excl_grp && !::qt_cast<TQRadioButton*>(bt) )
+    if ( !excl_grp && !::tqt_cast<TQRadioButton*>(bt) )
 	return;
     TQButtonItem * i = buttons->first();
     bool hasTabFocus = FALSE;
 
     while( i != 0 && hasTabFocus == FALSE ) {
-	if ( ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) &&
+	if ( ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) &&
 	     (i->button->focusPolicy() & TabFocus) )
 	    hasTabFocus = TRUE;
 	i = buttons->next();
@@ -459,9 +459,9 @@ void TQButtonGroup::buttonToggled( bool on )
 	if ( bt != i->button &&
 	     i->button->isToggleButton() &&
 	     i->button->isOn() &&
-	     ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) )
+	     ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) )
 	    i->button->setOn( FALSE );
-	if ( ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) &&
+	if ( ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) &&
 	     i->button->isToggleButton() &&
 	     hasTabFocus )
 	    i->button->setFocusPolicy( (FocusPolicy)(i->button->focusPolicy() &
@@ -572,12 +572,12 @@ void TQButtonGroup::moveFocus( int key )
 	i = buttons->next();
     }
 
-    TQButton *buttoncand = ::qt_cast<TQButton*>(candidate);
-    if ( buttoncand && ::qt_cast<TQButton*>(f) &&
+    TQButton *buttoncand = ::tqt_cast<TQButton*>(candidate);
+    if ( buttoncand && ::tqt_cast<TQButton*>(f) &&
 	 ((TQButton*)f)->isOn() &&
 	 buttoncand->isToggleButton() &&
-	 ( isExclusive() || ( ::qt_cast<TQRadioButton*>(f) &&
-			      ::qt_cast<TQRadioButton*>(candidate)))) {
+	 ( isExclusive() || ( ::tqt_cast<TQRadioButton*>(f) &&
+			      ::tqt_cast<TQRadioButton*>(candidate)))) {
 	if ( f->focusPolicy() & TabFocus ) {
 	    f->setFocusPolicy( (FocusPolicy)(f->focusPolicy() & ~TabFocus) );
 	    candidate->setFocusPolicy( (FocusPolicy)(candidate->focusPolicy()|
@@ -669,7 +669,7 @@ bool TQButtonGroup::event( TQEvent * e )
 {
     if ( e->type() == TQEvent::ChildInserted ) {
 	TQChildEvent * ce = (TQChildEvent *) e;
-	if ( radio_excl && ::qt_cast<TQRadioButton*>(ce->child()) ) {
+	if ( radio_excl && ::tqt_cast<TQRadioButton*>(ce->child()) ) {
 	    TQButton * button = (TQButton *) ce->child();
 	    if ( button->isToggleButton() && !button->isOn() &&
 		 selected() && (selected()->focusPolicy() & TabFocus) != 0 )
diff --git a/src/widgets/qdatetimeedit.cpp b/src/widgets/qdatetimeedit.cpp
index e226d671..892c1e61 100644
--- a/src/widgets/qdatetimeedit.cpp
+++ b/src/widgets/qdatetimeedit.cpp
@@ -423,7 +423,7 @@ public:
 
     void enabledChange(bool notenabled)
     {
-        TQDateEdit *de = ::qt_cast<TQDateEdit*>(parentWidget());
+        TQDateEdit *de = ::tqt_cast<TQDateEdit*>(parentWidget());
         if (de && !notenabled) {
 	    setUpEnabled(de->date() < de->maxValue());
 	    setDownEnabled(de->date() > de->minValue());
@@ -437,7 +437,7 @@ protected:
 #ifndef QT_NO_WHEELEVENT
     void wheelEvent( TQWheelEvent *e )
     {
-	TQDateTimeEditor *editor = (TQDateTimeEditor*)editWidget()->qt_cast( "TQDateTimeEditor" );
+	TQDateTimeEditor *editor = (TQDateTimeEditor*)editWidget()->tqt_cast( "TQDateTimeEditor" );
 	Q_ASSERT( editor );
 	if ( !editor )
 	    return;
@@ -608,9 +608,9 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 		cw->stepDown();
 		return TRUE;
 	    case Key_Backspace:
-		if ( ::qt_cast<TQDateEdit*>(cw) )
+		if ( ::tqt_cast<TQDateEdit*>(cw) )
 		    ((TQDateEdit*)cw)->removeFirstNumber( d->focusSection() );
-		else if ( ::qt_cast<TQTimeEdit*>(cw) )
+		else if ( ::tqt_cast<TQTimeEdit*>(cw) )
 		    ((TQTimeEdit*)cw)->removeFirstNumber( d->focusSection() );
 		return TRUE;
 	    case Key_Delete:
@@ -624,15 +624,15 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 		TQWidget *w = this;
 		bool hadDateEdit = FALSE;
 		while ( w ) {
-		    if ( ::qt_cast<TQDateTimeSpinWidget*>(w) && qstrcmp( w->name(), "qt_spin_widget" ) != 0 ||
-			 ::qt_cast<TQDateTimeEdit*>(w) )
+		    if ( ::tqt_cast<TQDateTimeSpinWidget*>(w) && qstrcmp( w->name(), "qt_spin_widget" ) != 0 ||
+			 ::tqt_cast<TQDateTimeEdit*>(w) )
 			break;
-		    hadDateEdit = hadDateEdit || ::qt_cast<TQDateEdit*>(w);
+		    hadDateEdit = hadDateEdit || ::tqt_cast<TQDateEdit*>(w);
 		    w = w->parentWidget();
 		}
 
 		if ( w ) {
-		    if ( !::qt_cast<TQDateTimeEdit*>(w) ) {
+		    if ( !::tqt_cast<TQDateTimeEdit*>(w) ) {
 			w = w->parentWidget();
 		    } else {
 			TQDateTimeEdit *ed = (TQDateTimeEdit*)w;
@@ -643,7 +643,7 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 			    ed->dateEdit()->setFocus();
 			    return TRUE;
 			} else {
-			    while ( w && !::qt_cast<TQDateTimeEdit*>(w) )
+			    while ( w && !::tqt_cast<TQDateTimeEdit*>(w) )
 				w = w->parentWidget();
 			}
 		    }
@@ -661,7 +661,7 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 			    repaint( rect(), FALSE );
 		    }
 		    return TRUE;
-		} else if ( !txt.isEmpty() && ::qt_cast<TQTimeEdit*>(cw) && focusSection() == (int) d->sectionCount()-1 ) {
+		} else if ( !txt.isEmpty() && ::tqt_cast<TQTimeEdit*>(cw) && focusSection() == (int) d->sectionCount()-1 ) {
 		    // the first character of the AM/PM indicator toggles if the section has focus
 		    TQTimeEdit *te = (TQTimeEdit*)cw;
 		    TQTime time = te->time();
diff --git a/src/widgets/qdockarea.cpp b/src/widgets/qdockarea.cpp
index 0e2555bd..760db538 100644
--- a/src/widgets/qdockarea.cpp
+++ b/src/widgets/qdockarea.cpp
@@ -235,7 +235,7 @@ static int point_pos( const TQPoint &p, TQt::Orientation o, bool swap = FALSE )
 
 static void shrink_extend( TQDockWindow *dw, int &dockExtend, int /*spaceLeft*/, TQt::Orientation o )
 {
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(dw);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(dw);
     if ( o == TQt::Horizontal ) {
 	int mw = 0;
 	if ( !tb )
@@ -258,7 +258,7 @@ static void place_line( TQValueList<DockData> &lastLine, TQt::Orientation o, int
     TQDockWindow *last = 0;
     TQRect lastRect;
     for ( TQValueList<DockData>::Iterator it = lastLine.begin(); it != lastLine.end(); ++it ) {
-	if ( tbstrut != -1 && ::qt_cast<TQToolBar*>((*it).w) )
+	if ( tbstrut != -1 && ::tqt_cast<TQToolBar*>((*it).w) )
 	    (*it).rect.setHeight( tbstrut );
 	if ( !last ) {
 	    last = (*it).w;
@@ -391,7 +391,7 @@ int TQDockAreaLayout::layoutItems( const TQRect &rect, bool testonly )
 	// do some calculations and add the remember the rect which the docking widget requires for the placing
 	TQRect dwRect(pos, sectionpos, dockExtend, dock_strut( dw, orientation()  ) );
 	lastLine.append( DockData( dw, dwRect ) );
-	if ( ::qt_cast<TQToolBar*>(dw) )
+	if ( ::tqt_cast<TQToolBar*>(dw) )
 	    tbstrut = TQMAX( tbstrut, dock_strut( dw, orientation() ) );
 	linestrut = TQMAX( dock_strut( dw, orientation() ), linestrut );
 	add_size( dockExtend, pos, orientation() );
@@ -926,7 +926,7 @@ void TQDockArea::updateLayout()
 bool TQDockArea::eventFilter( TQObject *o, TQEvent *e )
 {
     if ( e->type() == TQEvent::Close ) {
-	if ( ::qt_cast<TQDockWindow*>(o) ) {
+	if ( ::tqt_cast<TQDockWindow*>(o) ) {
 	    o->removeEventFilter( this );
 	    TQApplication::sendEvent( o, e );
 	    if ( ( (TQCloseEvent*)e )->isAccepted() )
@@ -1087,7 +1087,7 @@ bool TQDockArea::isDockWindowAccepted( TQDockWindow *dw )
     if ( forbiddenWidgets.findRef( dw ) != -1 )
 	return FALSE;
 
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parentWidget());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parentWidget());
     if ( !mw )
 	return TRUE;
     if ( !mw->hasDockWindow( dw ) )
@@ -1145,7 +1145,7 @@ int TQDockArea::maxSpace( int hint, TQDockWindow *dw )
 	return dw->height();
     }
     int min = 0;
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(w);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(w);
     if ( orientation() == Horizontal ) {
 	w->setFixedExtentWidth( -1 );
 	if ( !tb )
diff --git a/src/widgets/qdockwindow.cpp b/src/widgets/qdockwindow.cpp
index a0f4163c..8e699633 100644
--- a/src/widgets/qdockwindow.cpp
+++ b/src/widgets/qdockwindow.cpp
@@ -493,7 +493,7 @@ void TQDockWindowHandle::minimize()
     if ( !dockWindow->area() )
 	return;
 
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(dockWindow->area()->parentWidget());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(dockWindow->area()->parentWidget());
     if ( mw && mw->isDockEnabled( dockWindow, TQt::DockMinimized ) )
 	mw->moveDockWindow( dockWindow, TQt::DockMinimized );
 }
@@ -1031,13 +1031,13 @@ void TQDockWindow::init()
     if ( parentWidget() )
 	parentWidget()->installEventFilter( this );
     TQWidget *mw = parentWidget();
-    TQDockArea *da = ::qt_cast<TQDockArea*>(parentWidget());
+    TQDockArea *da = ::tqt_cast<TQDockArea*>(parentWidget());
     if ( da ) {
 	if ( curPlace == InDock )
 	    da->moveDockWindow( this );
 	mw = da->parentWidget();
     }
-    if ( ::qt_cast<TQMainWindow*>(mw) ) {
+    if ( ::tqt_cast<TQMainWindow*>(mw) ) {
 	if ( place() == InDock ) {
 	    Dock myDock = TQt::DockTop;
 	    // make sure we put the window in the correct dock.
@@ -1123,7 +1123,7 @@ TQDockWindow::~TQDockWindow()
     TQDockArea *a = area();
     if ( !a && dockWindowData )
 	a = ( (TQDockArea::DockWindowData*)dockWindowData )->area;
-    TQMainWindow *mw = a ? ::qt_cast<TQMainWindow*>(a->parentWidget()) : 0;
+    TQMainWindow *mw = a ? ::tqt_cast<TQMainWindow*>(a->parentWidget()) : 0;
     if ( mw )
 	mw->removeDockWindow( this );
 
@@ -1164,12 +1164,12 @@ TQWidget *TQDockWindow::areaAt( const TQPoint &gp )
 	w = parentWidget()->childAt( parentWidget()->mapFromGlobal( gp ) );
 
     while ( w ) {
-	if ( ::qt_cast<TQDockArea*>(w) ) {
+	if ( ::tqt_cast<TQDockArea*>(w) ) {
 	    TQDockArea *a = (TQDockArea*)w;
 	    if ( a->isDockWindowAccepted( this ) )
 		return w;
 	}
-	if ( ::qt_cast<TQMainWindow*>(w) ) {
+	if ( ::tqt_cast<TQMainWindow*>(w) ) {
 	    TQMainWindow *mw = (TQMainWindow*)w;
 	    TQDockArea *a = mw->dockingArea( mw->mapFromGlobal( gp ) );
 	    if ( a && a->isDockWindowAccepted( this ) )
@@ -1197,8 +1197,8 @@ void TQDockWindow::handleMove( const TQPoint &pos, const TQPoint &gp, bool drawR
     if ( titleBar->ctrlDown || horHandle->ctrlDown || verHandle->ctrlDown )
 	w = 0;
     currRect.moveBy( pos.x(), pos.y() );
-    if ( !::qt_cast<TQDockArea*>(w) ) {
-        if ( startOrientation != Horizontal && ::qt_cast<TQToolBar*>(this) )
+    if ( !::tqt_cast<TQDockArea*>(w) ) {
+        if ( startOrientation != Horizontal && ::tqt_cast<TQToolBar*>(this) )
 	    swapRect( currRect, Horizontal, startOffset, (TQDockArea*)w );
 	if ( drawRect ) {
 	    unclippedPainter->setPen( TQPen( gray, 3 ) );
@@ -1396,14 +1396,14 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
     } else {
 	if ( dockArea ) {
 	    TQMainWindow *mw = (TQMainWindow*)dockArea->parentWidget();
-	    if ( ::qt_cast<TQMainWindow*>(mw) &&
+	    if ( ::tqt_cast<TQMainWindow*>(mw) &&
 		 ( !mw->isDockEnabled( TQMainWindow::DockTornOff ) ||
 		   !mw->isDockEnabled( this, TQMainWindow::DockTornOff ) ) )
 		return;
 	    delete (TQDockArea::DockWindowData*)dockWindowData;
 	    dockWindowData = dockArea->dockWindowData( this );
 	    dockArea->removeDockWindow( this, TRUE,
-                                        startOrientation != Horizontal && ::qt_cast<TQToolBar*>(this) );
+                                        startOrientation != Horizontal && ::tqt_cast<TQToolBar*>(this) );
 	}
 	dockArea = 0;
 	TQPoint topLeft = currRect.topLeft();
@@ -1417,7 +1417,7 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
 	move( topLeft );
     }
 
-    if ( curPlace == InDock && state == OutsideDock && !::qt_cast<TQToolBar*>(this) ) {
+    if ( curPlace == InDock && state == OutsideDock && !::tqt_cast<TQToolBar*>(this) ) {
 	if ( lastSize != TQSize( -1, -1 ) )
 	    resize( lastSize );
     }
@@ -1431,7 +1431,7 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
     tmpDockArea = 0;
     if ( doAdjustSize ) {
 	TQApplication::sendPostedEvents( this, TQEvent::LayoutHint );
-	if ( ::qt_cast<TQToolBar*>(this) )
+	if ( ::tqt_cast<TQToolBar*>(this) )
 	    adjustSize();
         if (lastSize == TQSize(-1, -1))
             clearWState(WState_Resized); // Ensures size is recalculated (non-opaque).
@@ -1706,7 +1706,7 @@ TQt::Orientation TQDockWindow::orientation() const
 {
     if ( dockArea )
 	return dockArea->orientation();
-    if ( ::qt_cast<TQToolBar*>(this) )
+    if ( ::tqt_cast<TQToolBar*>(this) )
 	return Horizontal;
     return ( ((TQDockWindow*)this)->boxLayout()->direction() == TQBoxLayout::LeftToRight ||
 	     ((TQDockWindow*)this)->boxLayout()->direction() == TQBoxLayout::RightToLeft ?
@@ -1861,7 +1861,7 @@ void TQDockWindow::undock( TQWidget *w )
 {
     TQMainWindow *mw = 0;
     if ( area() )
-	mw = ::qt_cast<TQMainWindow*>(area()->parentWidget());
+	mw = ::tqt_cast<TQMainWindow*>(area()->parentWidget());
     if ( mw && !mw->isDockEnabled( this, DockTornOff ) )
 	return;
     if ( (place() == OutsideDock && !w) )
@@ -1873,7 +1873,7 @@ void TQDockWindow::undock( TQWidget *w )
     if ( dockArea ) {
 	delete (TQDockArea::DockWindowData*)dockWindowData;
 	dockWindowData = dockArea->dockWindowData( this );
-	dockArea->removeDockWindow( this, TRUE, orientation() != Horizontal && ::qt_cast<TQToolBar*>(this) );
+	dockArea->removeDockWindow( this, TRUE, orientation() != Horizontal && ::tqt_cast<TQToolBar*>(this) );
     }
     dockArea = 0;
     if ( lastPos != TQPoint( -1, -1 ) && lastPos.x() > 0 && lastPos.y() > 0 )
@@ -1886,7 +1886,7 @@ void TQDockWindow::undock( TQWidget *w )
     updateGui();
     emit orientationChanged( orientation() );
     TQApplication::sendPostedEvents( this, TQEvent::LayoutHint );
-    if ( ::qt_cast<TQToolBar*>(this) )
+    if ( ::tqt_cast<TQToolBar*>(this) )
 	adjustSize();
     if ( !w ) {
 	if ( !parentWidget() || parentWidget()->isVisible() ) {
@@ -2110,7 +2110,7 @@ void TQDockWindow::contextMenuEvent( TQContextMenuEvent *e )
 {
     TQObject *o = this;
     while ( o ) {
-	if ( ::qt_cast<TQMainWindow*>(o) )
+	if ( ::tqt_cast<TQMainWindow*>(o) )
 	    break;
 	o = o->parent();
     }
diff --git a/src/widgets/qeffects.cpp b/src/widgets/qeffects.cpp
index 7377eba7..d2f20791 100644
--- a/src/widgets/qeffects.cpp
+++ b/src/widgets/qeffects.cpp
@@ -192,7 +192,7 @@ bool TQAlphaWidget::eventFilter( TQObject* o, TQEvent* e )
 	    break;
     case TQEvent::MouseButtonPress:
 #ifndef QT_NO_SCROLLVIEW
-	if ( ::qt_cast<TQScrollView*>(o) )
+	if ( ::tqt_cast<TQScrollView*>(o) )
 	    break;
 #endif
     case TQEvent::MouseButtonDblClick:
@@ -444,7 +444,7 @@ bool TQRollEffect::eventFilter( TQObject* o, TQEvent* e )
 	break;
     case TQEvent::MouseButtonPress:
 #ifndef QT_NO_SCROLLVIEW
-	if ( ::qt_cast<TQScrollView*>(o) )
+	if ( ::tqt_cast<TQScrollView*>(o) )
 	    break;
 #endif
     case TQEvent::MouseButtonDblClick:
diff --git a/src/widgets/qgroupbox.cpp b/src/widgets/qgroupbox.cpp
index e6d2ad58..d78ae735 100644
--- a/src/widgets/qgroupbox.cpp
+++ b/src/widgets/qgroupbox.cpp
@@ -677,7 +677,7 @@ void TQGroupBox::fixFocus()
 	     && w->isVisibleTo(this) ) {
 	    if ( w->hasFocus()
 #ifndef QT_NO_RADIOBUTTON
-		 || ( !best && ::qt_cast<TQRadioButton*>(w)
+		 || ( !best && ::tqt_cast<TQRadioButton*>(w)
 		 && ((TQRadioButton*)w)->isChecked() )
 #endif
 		    )
@@ -841,7 +841,7 @@ void TQGroupBox::setCheckable( bool b )
     if ( b ) {
 	if ( !d->checkbox ) {
 	    d->checkbox = new TQCheckBox( title(), this, "qt_groupbox_checkbox" );
-            if (TQButtonGroup *meAsButtonGroup = ::qt_cast<TQButtonGroup*>(this))
+            if (TQButtonGroup *meAsButtonGroup = ::tqt_cast<TQButtonGroup*>(this))
                 meAsButtonGroup->remove(d->checkbox);
 	    setChecked( TRUE );
 	    setChildrenEnabled( TRUE );
diff --git a/src/widgets/qlistview.cpp b/src/widgets/qlistview.cpp
index 06830bdd..faffe09b 100644
--- a/src/widgets/qlistview.cpp
+++ b/src/widgets/qlistview.cpp
@@ -3839,7 +3839,7 @@ bool TQListView::eventFilter( TQObject * o, TQEvent * e )
 	    // nothing
 	    break;
 	}
-    } else if ( ::qt_cast<TQLineEdit*>(o) ) {
+    } else if ( ::tqt_cast<TQLineEdit*>(o) ) {
 	if ( currentItem() && currentItem()->renameBox ) {
 	    if ( e->type() == TQEvent::KeyPress ) {
 		TQKeyEvent *ke = (TQKeyEvent*)e;
diff --git a/src/widgets/qmainwindow.cpp b/src/widgets/qmainwindow.cpp
index 72491a25..830e3f0d 100644
--- a/src/widgets/qmainwindow.cpp
+++ b/src/widgets/qmainwindow.cpp
@@ -335,7 +335,7 @@ protected:
 	while ( ( o = it.current() ) ) {
 	    ++it;
 	    ++i;
-	    TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+	    TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 	    if ( !dw || !dw->isVisible() )
 		continue;
 
@@ -377,7 +377,7 @@ protected:
 	    while ( ( o = it.current() ) ) {
 		++it;
 		++i;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw || !dw->isVisible() )
 		    continue;
 
@@ -406,7 +406,7 @@ protected:
 	if ( e->button() == LeftButton ) {
 	    if ( e->y() >= 0 && e->y() <= height() ) {
 		TQObject *o = ( (TQObjectList*)children() )->at( pressedHandle );
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( dw ) {
 		    dw->show();
 		    dw->dock();
@@ -436,7 +436,7 @@ protected:
 	    TQObject *o;
 	    while ( ( o = it.current() ) ) {
 		++it;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw )
 		    continue;
 		if ( dw->isHidden() ) {
@@ -491,7 +491,7 @@ void TQHideToolTip::maybeTip( const TQPoint &pos )
     int x = 0;
     while ( ( o = it.current() ) ) {
 	++it;
-	TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+	TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 	if ( !dw || !dw->isVisible() )
 	    continue;
 
@@ -1276,7 +1276,7 @@ void TQMainWindow::addDockWindow( TQDockWindow * dockWindow, const TQString &lab
 {
     addDockWindow( dockWindow, edge, newLine );
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(dockWindow);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(dockWindow);
     if ( tb )
 	tb->setLabel( label );
 #endif
@@ -1608,7 +1608,7 @@ bool TQMainWindow::dockMainWindow( TQObject *dock )
     while ( dock ) {
 	if ( dock->parent() && dock->parent() == this )
 	    return TRUE;
-	if ( ::qt_cast<TQMainWindow*>(dock->parent()) )
+	if ( ::tqt_cast<TQMainWindow*>(dock->parent()) )
 	    return FALSE;
 	dock = dock->parent();
     }
@@ -1626,7 +1626,7 @@ bool TQMainWindow::eventFilter( TQObject* o, TQEvent *e )
 	    setUpLayout();
 	d->tll->activate();
     } else if ( e->type() == TQEvent::ContextMenu && d->dockMenu &&
-	( ::qt_cast<TQDockArea*>(o) && dockMainWindow( o ) || o == d->hideDock || o == d->mb ) ) {
+	( ::tqt_cast<TQDockArea*>(o) && dockMainWindow( o ) || o == d->hideDock || o == d->mb ) ) {
 	if ( showDockMenu( ( (TQMouseEvent*)e )->globalPos() ) ) {
 	    ( (TQContextMenuEvent*)e )->accept();
 	    return TRUE;
@@ -1657,13 +1657,13 @@ void TQMainWindow::childEvent( TQChildEvent* e)
 	    d->mc = 0;
 	    d->mwl->setCentralWidget( 0 );
 	    triggerLayout();
-	} else if ( ::qt_cast<TQDockWindow*>(e->child()) ) {
+	} else if ( ::tqt_cast<TQDockWindow*>(e->child()) ) {
 	    removeDockWindow( (TQDockWindow *)(e->child()) );
 	    d->appropriate.remove( (TQDockWindow*)e->child() );
 	    triggerLayout();
 	}
     } else if ( e->type() == TQEvent::ChildInserted && !d->sb ) {
-	d->sb = ::qt_cast<TQStatusBar*>(e->child());
+	d->sb = ::tqt_cast<TQStatusBar*>(e->child());
 	if ( d->sb ) {
 	    if ( d->tll ) {
 		if ( !d->tll->findWidget( d->sb ) )
@@ -1923,7 +1923,7 @@ TQPtrList<TQToolBar> TQMainWindow::toolBars( Dock dock ) const
     TQPtrList<TQDockWindow> lst = dockWindows( dock );
     TQPtrList<TQToolBar> tbl;
     for ( TQDockWindow *w = lst.first(); w; w = lst.next() ) {
-	TQToolBar *tb = ::qt_cast<TQToolBar*>(w);
+	TQToolBar *tb = ::tqt_cast<TQToolBar*>(w);
 	if ( tb )
 	    tbl.append( tb );
     }
@@ -1965,7 +1965,7 @@ TQPtrList<TQDockWindow> TQMainWindow::dockWindows( Dock dock ) const
 	    TQObject *o;
 	    while ( ( o = it.current() ) ) {
 		++it;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw )
 		    continue;
 		lst.append( dw );
@@ -2199,7 +2199,7 @@ void TQMainWindow::menuAboutToShow()
 	if ( dockWindows == AllDockWindows || dockWindows == NoToolBars ) {
 	    for ( o = l->first(); o; o = l->next() ) {
 		TQDockWindow *dw = (TQDockWindow*)o;
-		if ( !appropriate( dw ) || ::qt_cast<TQToolBar*>(dw) || !dockMainWindow( dw ) )
+		if ( !appropriate( dw ) || ::tqt_cast<TQToolBar*>(dw) || !dockMainWindow( dw ) )
 		    continue;
 		TQString label = dw->caption();
 		if ( !label.isEmpty() ) {
@@ -2217,7 +2217,7 @@ void TQMainWindow::menuAboutToShow()
 #ifndef QT_NO_TOOLBAR
 	if ( dockWindows == AllDockWindows || dockWindows == OnlyToolBars ) {
 	    for ( o = l->first(); o; o = l->next() ) {
-		TQToolBar *tb = ::qt_cast<TQToolBar*>(o);
+		TQToolBar *tb = ::tqt_cast<TQToolBar*>(o);
 		if ( !tb || !appropriate(tb) || !dockMainWindow(tb) )
 		    continue;
 		TQString label = tb->label();
@@ -2277,11 +2277,11 @@ bool TQMainWindow::showDockMenu( const TQPoint &globalPos )
 void TQMainWindow::slotPlaceChanged()
 {
     TQObject* obj = (TQObject*)sender();
-    TQDockWindow *dw = ::qt_cast<TQDockWindow*>(obj);
+    TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(obj);
     if ( dw )
 	emit dockWindowPositionChanged( dw );
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(obj);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(obj);
     if ( tb )
 	emit toolBarPositionChanged( tb );
 #endif
@@ -2532,7 +2532,7 @@ static void loadDockArea( const TQStringList &names, TQDockArea *a, TQt::Dock d,
 	    if ( state == Visible && c == ']' ) {
 		for ( TQDockWindow *dw = l.first(); dw; dw = l.next() ) {
 		    if ( TQString( dw->caption() ) == name ) {
-			if ( !::qt_cast<TQToolBar*>(dw) )
+			if ( !::tqt_cast<TQToolBar*>(dw) )
 			    dw->setGeometry( x.toInt(), y.toInt(), w.toInt(), h.toInt() );
 			else
 			    dw->setGeometry( x.toInt(), y.toInt(), dw->width(), dw->height() );
diff --git a/src/widgets/qmenubar.cpp b/src/widgets/qmenubar.cpp
index ed592df6..02ee71b2 100644
--- a/src/widgets/qmenubar.cpp
+++ b/src/widgets/qmenubar.cpp
@@ -392,7 +392,7 @@ void TQMenuBar::performDelayedContentsChanged()
     if ( isVisible() ) {
 	update();
 #ifndef QT_NO_MAINWINDOW
-	TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+	TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
 	if ( mw ) {
 	    mw->triggerLayout();
 	    mw->update();
@@ -515,7 +515,7 @@ bool TQMenuBar::eventFilter( TQObject *object, TQEvent *event )
 {
     if ( object == parent() && object
 #ifndef QT_NO_TOOLBAR
-	 && !::qt_cast<TQToolBar*>(object)
+	 && !::tqt_cast<TQToolBar*>(object)
 #endif
 	 && event->type() == TQEvent::Resize ) {
 	TQResizeEvent *e = (TQResizeEvent *)event;
@@ -843,7 +843,7 @@ void TQMenuBar::show()
 #endif
 
 #ifndef QT_NO_MAINWINDOW
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
     if ( mw ) //### ugly workaround
 	mw->triggerLayout();
 #endif
@@ -861,7 +861,7 @@ void TQMenuBar::hide()
     setAltMode( FALSE );
     hidePopups();
 #ifndef QT_NO_MAINWINDOW
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
     if ( mw ) //### ugly workaround
 	mw->triggerLayout();
 #endif
@@ -1630,7 +1630,7 @@ TQSize TQMenuBar::sizeHint() const
 TQSize TQMenuBar::minimumSize() const
 {
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(parent());
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(parent());
     if ( tb )
 	return sizeHint();
 #endif
diff --git a/src/widgets/qmenudata.cpp b/src/widgets/qmenudata.cpp
index 437234dc..ef385ab1 100644
--- a/src/widgets/qmenudata.cpp
+++ b/src/widgets/qmenudata.cpp
@@ -293,7 +293,7 @@ int TQMenuData::insertAny( const TQString *text, const TQPixmap *pixmap,
     }
 
     mitems->insert( index, mi );
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
 	for ( TQMenuItemListIt it( *mitems ); it.current(); ++it ) {
@@ -821,7 +821,7 @@ void TQMenuData::removeItemAt( int index )
     if ( mi->popup_menu )
 	menuDelPopup( mi->popup_menu );
     mitems->remove();
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
 	for ( TQMenuItemListIt it( *mitems ); it.current(); ++it ) {
@@ -849,7 +849,7 @@ void TQMenuData::clear()
 	mitems->remove();
 	mi = mitems->current();
     }
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
     }
diff --git a/src/widgets/qpushbutton.cpp b/src/widgets/qpushbutton.cpp
index 09e57b11..3e3925ab 100644
--- a/src/widgets/qpushbutton.cpp
+++ b/src/widgets/qpushbutton.cpp
@@ -335,7 +335,7 @@ void TQPushButton::init()
     hasMenuArrow = FALSE;
     flt = FALSE;
 #ifndef QT_NO_DIALOG
-    autoDefButton = ::qt_cast<TQDialog*>(topLevelWidget()) != 0;
+    autoDefButton = ::tqt_cast<TQDialog*>(topLevelWidget()) != 0;
 #else
     autoDefButton = FALSE;
 #endif
@@ -389,7 +389,7 @@ void TQPushButton::setDefault( bool enable )
 	return;					// no change
     defButton = enable;
 #ifndef QT_NO_DIALOG
-    if ( defButton && ::qt_cast<TQDialog*>(topLevelWidget()) )
+    if ( defButton && ::tqt_cast<TQDialog*>(topLevelWidget()) )
  	((TQDialog*)topLevelWidget())->setMainDefault( this );
 #endif
     update();
@@ -613,7 +613,7 @@ void TQPushButton::focusInEvent( TQFocusEvent *e )
     if (autoDefButton && !defButton) {
 	defButton = TRUE;
 #ifndef QT_NO_DIALOG
-	if ( defButton && ::qt_cast<TQDialog*>(topLevelWidget()) )
+	if ( defButton && ::tqt_cast<TQDialog*>(topLevelWidget()) )
  	    ((TQDialog*)topLevelWidget())->setDefault( this );
 #endif
     }
@@ -627,7 +627,7 @@ void TQPushButton::focusOutEvent( TQFocusEvent *e )
 {
 #ifndef QT_NO_DIALOG
     if ( defButton && autoDefButton ) {
-	if ( ::qt_cast<TQDialog*>(topLevelWidget()) )
+	if ( ::tqt_cast<TQDialog*>(topLevelWidget()) )
 	    ((TQDialog*)topLevelWidget())->setDefault( 0 );
     }
 #endif
@@ -706,7 +706,7 @@ void TQPushButton::popupPressed()
 	bool horizontal = TRUE;
 	bool topLeft = TRUE;			// ### always TRUE
 #ifndef QT_NO_TOOLBAR
-	TQToolBar *tb = ::qt_cast<TQToolBar*>(parentWidget());
+	TQToolBar *tb = ::tqt_cast<TQToolBar*>(parentWidget());
 	if ( tb && tb->orientation() == Vertical )
 	    horizontal = FALSE;
 #endif
diff --git a/src/widgets/qradiobutton.cpp b/src/widgets/qradiobutton.cpp
index d04c0ff1..10bbc8be 100644
--- a/src/widgets/qradiobutton.cpp
+++ b/src/widgets/qradiobutton.cpp
@@ -139,7 +139,7 @@ void TQRadioButton::init()
     setSizePolicy( TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Fixed ) );
     setToggleButton( TRUE );
 #ifndef QT_NO_BUTTONGROUP
-    TQButtonGroup *bgrp = ::qt_cast<TQButtonGroup*>(parentWidget());
+    TQButtonGroup *bgrp = ::tqt_cast<TQButtonGroup*>(parentWidget());
     if ( bgrp )
 	bgrp->setRadioButtonExclusive( TRUE );
 #endif
diff --git a/src/widgets/qscrollview.cpp b/src/widgets/qscrollview.cpp
index 20d0adeb..1938ff23 100644
--- a/src/widgets/qscrollview.cpp
+++ b/src/widgets/qscrollview.cpp
@@ -2385,7 +2385,7 @@ void TQScrollView::frameChanged()
 {
     // slight ugle-hack - the listview header needs readjusting when
     // changing the frame
-    if (TQListView *lv = ::qt_cast<TQListView *>(this))
+    if (TQListView *lv = ::tqt_cast<TQListView *>(this))
         lv->triggerUpdate();
     TQFrame::frameChanged();
     updateScrollBars();
diff --git a/src/widgets/qsplashscreen.cpp b/src/widgets/qsplashscreen.cpp
index 1896269b..3aec8a23 100644
--- a/src/widgets/qsplashscreen.cpp
+++ b/src/widgets/qsplashscreen.cpp
@@ -214,8 +214,8 @@ void TQSplashScreen::finish( TQWidget *mainWin )
 {
     if ( mainWin ) {
 #if defined(Q_WS_X11)
-	extern void qt_wait_for_window_manager( TQWidget *mainWin );
-	qt_wait_for_window_manager( mainWin );
+	extern void tqt_wait_for_window_manager( TQWidget *mainWin );
+	tqt_wait_for_window_manager( mainWin );
 #endif
     }
     close();
diff --git a/src/widgets/qsplitter.cpp b/src/widgets/qsplitter.cpp
index 95ec5d5a..cedb498b 100644
--- a/src/widgets/qsplitter.cpp
+++ b/src/widgets/qsplitter.cpp
@@ -901,7 +901,7 @@ void TQSplitter::recalc( bool update )
 	}
     }
     if ( empty ) {
-	if ( ::qt_cast<TQSplitter*>(parentWidget()) ) {
+	if ( ::tqt_cast<TQSplitter*>(parentWidget()) ) {
 	    // nested splitters; be nice
 	    maxl = maxt = 0;
 	} else {
diff --git a/src/widgets/qtabbar.cpp b/src/widgets/qtabbar.cpp
index dcee1508..697b28f5 100644
--- a/src/widgets/qtabbar.cpp
+++ b/src/widgets/qtabbar.cpp
@@ -614,7 +614,7 @@ void TQTabBar::paint( TQPainter * p, TQTab * t, bool selected ) const
     int h = TQMAX(fm.height() + 4, ih );
     int offset = 3;
 #ifdef Q_WS_MAC
-    if (::qt_cast<TQMacStyle *>(&style()))
+    if (::tqt_cast<TQMacStyle *>(&style()))
         offset = 0;
 #endif
     paintLabel( p, TQRect( r.left() + (r.width()-w)/2 - offset,
diff --git a/src/widgets/qtabwidget.cpp b/src/widgets/qtabwidget.cpp
index bb2eccf8..43c9c76d 100644
--- a/src/widgets/qtabwidget.cpp
+++ b/src/widgets/qtabwidget.cpp
@@ -243,7 +243,7 @@ TQTabWidget::TQTabWidget( TQWidget *parent, const char *name, WFlags f )
 
     installEventFilter( this );
 #ifdef Q_OS_MACX
-    if (::qt_cast<TQMacStyle*>(&style()))
+    if (::tqt_cast<TQMacStyle*>(&style()))
         setMargin(10); // According to HIGuidelines at least.
 #endif
 }
diff --git a/src/widgets/qtextedit.cpp b/src/widgets/qtextedit.cpp
index 9a5502c1..df41d2d0 100644
--- a/src/widgets/qtextedit.cpp
+++ b/src/widgets/qtextedit.cpp
@@ -2503,7 +2503,7 @@ void TQTextEdit::contentsMouseReleaseEvent( TQMouseEvent * e )
 	    TQUrl u( doc->context(), onLink, TRUE );
 	    emitLinkClicked( u.toString( FALSE, FALSE ) );
 	}
-	if (::qt_cast<TQTextBrowser*>(this)) { // change for 4.0
+	if (::tqt_cast<TQTextBrowser*>(this)) { // change for 4.0
 	    TQConnectionList *clist = receivers(
 			"anchorClicked(const TQString&,const TQString&)");
 	    if (!signalsBlocked() && clist) {
@@ -4907,7 +4907,7 @@ bool TQTextEdit::handleReadOnlyKeyEvent( TQKeyEvent *e )
 		emitLinkClicked( u.toString( FALSE, FALSE ) );
 	    }
 	    if (!doc->focusIndicator.name.isEmpty()) {
-		if (::qt_cast<TQTextBrowser*>(this)) { // change for 4.0
+		if (::tqt_cast<TQTextBrowser*>(this)) { // change for 4.0
 		    TQConnectionList *clist = receivers(
 			    "anchorClicked(const TQString&,const TQString&)");
 		    if (!signalsBlocked() && clist) {
diff --git a/src/widgets/qtitlebar.cpp b/src/widgets/qtitlebar.cpp
index 1bf94d6d..8fc3ca46 100644
--- a/src/widgets/qtitlebar.cpp
+++ b/src/widgets/qtitlebar.cpp
@@ -70,7 +70,7 @@ public:
 
     void maybeTip( const TQPoint &pos )
     {
-	if ( !::qt_cast<TQTitleBar*>(parentWidget()) )
+	if ( !::tqt_cast<TQTitleBar*>(parentWidget()) )
 	    return;
 	TQTitleBar *t = (TQTitleBar *)parentWidget();
 
@@ -404,7 +404,7 @@ void TQTitleBar::mouseMoveEvent( TQMouseEvent * e)
 		TQPoint p = mapFromGlobal(e->globalPos());
 #ifndef QT_NO_WORKSPACE
 		if(d->window && d->window->parentWidget()->inherits("TQWorkspaceChild")) {
-		    TQWorkspace *workspace = ::qt_cast<TQWorkspace*>(d->window->parentWidget()->parentWidget());
+		    TQWorkspace *workspace = ::tqt_cast<TQWorkspace*>(d->window->parentWidget()->parentWidget());
 		    if(workspace) {
 			p = workspace->mapFromGlobal( e->globalPos() );
 			if ( !workspace->rect().contains(p) ) {
diff --git a/src/widgets/qtoolbar.cpp b/src/widgets/qtoolbar.cpp
index 2a48bf62..b465faff 100644
--- a/src/widgets/qtoolbar.cpp
+++ b/src/widgets/qtoolbar.cpp
@@ -435,7 +435,7 @@ void TQToolBar::styleChange( TQStyle& )
         TQObject *ob = 0;
 	for ( ob = childs->first(); ob; ob = childs->next() ) {
 	    TQWidget *w = (TQWidget*)ob;
-            if ( ::qt_cast<TQToolButton*>(w) || ::qt_cast<TQToolBarSeparator*>(w) )
+            if ( ::tqt_cast<TQToolButton*>(w) || ::tqt_cast<TQToolBarSeparator*>(w) )
                 w->setStyle( &style() );
         }
     }
@@ -632,7 +632,7 @@ void TQToolBar::createPopup()
 	}
 	TQWidget *w = (TQWidget*)it.current();
 #ifndef QT_NO_COMBOBOX
-	if ( ::qt_cast<TQComboBox*>(w) )
+	if ( ::tqt_cast<TQComboBox*>(w) )
 	    j = 1;
 #endif
 	hide = FALSE;
@@ -646,7 +646,7 @@ void TQToolBar::createPopup()
 	}
 	if ( hide && w->isVisible() ) {
 	    doHide = TRUE;
-	    if ( ::qt_cast<TQToolButton*>(w) ) {
+	    if ( ::tqt_cast<TQToolButton*>(w) ) {
 		TQToolButton *b = (TQToolButton*)w;
 	        TQString s = b->textLabel();
 	        if ( s.isEmpty() )
@@ -659,7 +659,7 @@ void TQToolBar::createPopup()
 		    d->extensionPopup->setItemChecked( id, b->isOn() );
 		if ( !b->isEnabled() )
 		    d->extensionPopup->setItemEnabled( id, FALSE );
-	    } else if ( ::qt_cast<TQButton*>(w) ) {
+	    } else if ( ::tqt_cast<TQButton*>(w) ) {
 		TQButton *b = (TQButton*)w;
 		TQString s = b->text();
 		if ( s.isEmpty() )
@@ -673,7 +673,7 @@ void TQToolBar::createPopup()
 		if ( !b->isEnabled() )
 		    d->extensionPopup->setItemEnabled( id, FALSE );
 #ifndef QT_NO_COMBOBOX
-	    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+	    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 		TQComboBox *c = (TQComboBox*)w;
 		if ( c->count() != 0 ) {
 #ifndef QT_NO_WIDGET_TOPEXTRA
diff --git a/src/widgets/qtoolbox.cpp b/src/widgets/qtoolbox.cpp
index 05793a7d..74f1e604 100644
--- a/src/widgets/qtoolbox.cpp
+++ b/src/widgets/qtoolbox.cpp
@@ -393,7 +393,7 @@ int TQToolBox::insertItem( int index, TQWidget *item, const TQIconSet &iconSet,
 
 void TQToolBox::buttonClicked()
 {
-    TQToolBoxButton *tb = ::qt_cast<TQToolBoxButton*>(sender());
+    TQToolBoxButton *tb = ::tqt_cast<TQToolBoxButton*>(sender());
     TQWidget* item = 0;
     for ( TQToolBoxPrivate::PageList::ConstIterator i = d->pageList.constBegin(); i != d->pageList.constEnd(); ++i )
 	if ( (*i).button == tb ) {
diff --git a/src/widgets/qtoolbutton.cpp b/src/widgets/qtoolbutton.cpp
index 26f5607f..e7f7e6db 100644
--- a/src/widgets/qtoolbutton.cpp
+++ b/src/widgets/qtoolbutton.cpp
@@ -144,7 +144,7 @@ TQToolButton::TQToolButton( TQWidget * parent, const char *name )
 {
     init();
 #ifndef QT_NO_TOOLBAR
-    TQToolBar* tb = ::qt_cast<TQToolBar*>(parent);
+    TQToolBar* tb = ::tqt_cast<TQToolBar*>(parent);
     if ( tb ) {
 	setAutoRaise( TRUE );
 	if ( tb->mainWindow() ) {
@@ -910,7 +910,7 @@ void TQToolButton::popupTimerDone()
     setAutoRepeat( FALSE );
     bool horizontal = TRUE;
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(parentWidget());
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(parentWidget());
     if ( tb && tb->orientation() == Vertical )
 	horizontal = FALSE;
 #endif
diff --git a/src/widgets/qwidgetplugin.cpp b/src/widgets/qwidgetplugin.cpp
index 37b5156b..58c1e2c0 100644
--- a/src/widgets/qwidgetplugin.cpp
+++ b/src/widgets/qwidgetplugin.cpp
@@ -237,7 +237,7 @@ bool TQWidgetPluginPrivate::canUnload() const
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
 TQWidget* TQWidgetPluginPrivate::containerOfWidget( const TQString &key, TQWidget *widget ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->containerOfWidget( key, widget );
     return widget;
@@ -245,7 +245,7 @@ TQWidget* TQWidgetPluginPrivate::containerOfWidget( const TQString &key, TQWidge
 
 int TQWidgetPluginPrivate::count( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->count( key, container );
     return 0;
@@ -253,7 +253,7 @@ int TQWidgetPluginPrivate::count( const TQString &key, TQWidget *container ) con
 
 int TQWidgetPluginPrivate::currentIndex( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->currentIndex( key, container );
     return -1;
@@ -261,7 +261,7 @@ int TQWidgetPluginPrivate::currentIndex( const TQString &key, TQWidget *containe
 
 TQString TQWidgetPluginPrivate::pageLabel( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->pageLabel( key, container, index );
     return TQString::null;
@@ -269,7 +269,7 @@ TQString TQWidgetPluginPrivate::pageLabel( const TQString &key, TQWidget *contai
 
 TQWidget *TQWidgetPluginPrivate::page( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->page( key, container, index );
     return 0;
@@ -277,7 +277,7 @@ TQWidget *TQWidgetPluginPrivate::page( const TQString &key, TQWidget *container,
 
 bool TQWidgetPluginPrivate::isPassiveInteractor( const TQString &key, TQWidget *widget ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->isPassiveInteractor( key, widget );
     return FALSE;
@@ -285,7 +285,7 @@ bool TQWidgetPluginPrivate::isPassiveInteractor( const TQString &key, TQWidget *
 
 bool TQWidgetPluginPrivate::supportsPages( const TQString &key ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->supportsPages( key );
     return 0;
@@ -294,7 +294,7 @@ bool TQWidgetPluginPrivate::supportsPages( const TQString &key ) const
 TQWidget *TQWidgetPluginPrivate::addPage( const TQString &key, TQWidget *container,
 				    const TQString &name, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->addPage( key, container, name, index );
     return 0;
@@ -303,14 +303,14 @@ TQWidget *TQWidgetPluginPrivate::addPage( const TQString &key, TQWidget *contain
 void TQWidgetPluginPrivate::insertPage( const TQString &key, TQWidget *container,
 				       const TQString &name, int index, TQWidget *page ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->insertPage( key, container, name, index, page );
 }
 
 void TQWidgetPluginPrivate::removePage( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->removePage( key, container, index );
 }
@@ -318,7 +318,7 @@ void TQWidgetPluginPrivate::removePage( const TQString &key, TQWidget *container
 void TQWidgetPluginPrivate::movePage( const TQString &key, TQWidget *container,
 				     int fromIndex, int toIndex ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->movePage( key, container, fromIndex, toIndex );
 }
@@ -326,14 +326,14 @@ void TQWidgetPluginPrivate::movePage( const TQString &key, TQWidget *container,
 void TQWidgetPluginPrivate::renamePage( const TQString &key, TQWidget *container,
 				      int index, const TQString &newName ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->renamePage( key, container, index, newName );
 }
 
 TQWidgetList TQWidgetPluginPrivate::pages( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->pages( key, container );
     return TQWidgetList();
@@ -342,7 +342,7 @@ TQWidgetList TQWidgetPluginPrivate::pages( const TQString &key, TQWidget *contai
 TQString TQWidgetPluginPrivate::createCode( const TQString &key, const TQString &container,
 					  const TQString &page, const TQString &pageName ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->createCode( key, container, page, pageName );
     return TQString::null;
diff --git a/src/widgets/qwidgetresizehandler.cpp b/src/widgets/qwidgetresizehandler.cpp
index f0d21a60..80339a4f 100644
--- a/src/widgets/qwidgetresizehandler.cpp
+++ b/src/widgets/qwidgetresizehandler.cpp
@@ -60,7 +60,7 @@ TQWidgetResizeHandler::TQWidgetResizeHandler( TQWidget *parent, TQWidget *cw, co
 {
     mode = Nowhere;
     widget->setMouseTracking( TRUE );
-    TQFrame *frame = ::qt_cast<TQFrame*>(widget);
+    TQFrame *frame = ::tqt_cast<TQFrame*>(widget);
     range = frame ? frame->frameWidth() : RANGE;
     range = TQMAX( RANGE, range );
     activeForMove = activeForResize = TRUE;
@@ -114,7 +114,7 @@ bool TQWidgetResizeHandler::eventFilter( TQObject *o, TQEvent *ee )
     TQWidget *w = childOf( widget, (TQWidget*)o );
     if ( !w
 #ifndef QT_NO_SIZEGRIP
-	 || ::qt_cast<TQSizeGrip*>(o)
+	 || ::tqt_cast<TQSizeGrip*>(o)
 #endif
 	 || tqApp->activePopupWidget() ) {
 	if ( buttonDown && ee->type() == TQEvent::MouseButtonRelease )
@@ -234,7 +234,7 @@ void TQWidgetResizeHandler::mouseMoveEvent( TQMouseEvent *e )
     int mh = TQMAX( childWidget->minimumSizeHint().height(),
 		   childWidget->minimumHeight() );
     if ( childWidget != widget ) {
-	TQFrame *frame = ::qt_cast<TQFrame*>(widget);
+	TQFrame *frame = ::tqt_cast<TQFrame*>(widget);
 	if ( frame )
 	    fw = frame->frameWidth();
 	mw += 2 * fw;
diff --git a/src/workspace/qworkspace.cpp b/src/workspace/qworkspace.cpp
index ef8dbed3..acf1fcb8 100644
--- a/src/workspace/qworkspace.cpp
+++ b/src/workspace/qworkspace.cpp
@@ -804,7 +804,7 @@ void TQWorkspace::handleUndock(TQDockWindow *w)
     TQRect maxRect = dw->availableGeometry(dw->screenNumber(d->mainwindow));
     TQPoint wpos(maxRect.left(), maxRect.top());
     int possible = 0;
-    if(!::qt_cast<TQToolBar*>(w)) {
+    if(!::tqt_cast<TQToolBar*>(w)) {
 	struct place_score { int o, x, y; } score = {0, 0, 0};
 	int left = 1, x = wpos.x(), y = wpos.y();
 	TQPtrListIterator<TQDockWindow> it( d->dockwindows );
@@ -937,15 +937,15 @@ void TQWorkspace::showEvent( TQShowEvent *e )
     if(d->wmode == AutoDetect) {
 	d->wmode = MDI;
 	TQWidget *o = topLevelWidget();
-	if(::qt_cast<TQMainWindow*>(o)) {
+	if(::tqt_cast<TQMainWindow*>(o)) {
 	    d->wmode = TopLevel;
 	    const TQObjectList *c = o->children();
 	    for(TQObjectListIt it(*c); it; ++it) {
 		if((*it)->isWidgetType() && !((TQWidget *)(*it))->isTopLevel() &&
-		   !::qt_cast<TQHBox*>(*it) && !::qt_cast<TQVBox*>(*it) &&
-		   !::qt_cast<TQWorkspaceChild*>(*it) && !(*it)->inherits("TQHideDock") &&
-		   !::qt_cast<TQDockArea*>(*it) && !::qt_cast<TQWorkspace*>(*it) &&
-		   !::qt_cast<TQMenuBar*>(*it) && !::qt_cast<TQStatusBar*>(*it)) {
+		   !::tqt_cast<TQHBox*>(*it) && !::tqt_cast<TQVBox*>(*it) &&
+		   !::tqt_cast<TQWorkspaceChild*>(*it) && !(*it)->inherits("TQHideDock") &&
+		   !::tqt_cast<TQDockArea*>(*it) && !::tqt_cast<TQWorkspace*>(*it) &&
+		   !::tqt_cast<TQMenuBar*>(*it) && !::tqt_cast<TQStatusBar*>(*it)) {
 		    d->wmode = MDI;
 		    break;
 		}
@@ -954,7 +954,7 @@ void TQWorkspace::showEvent( TQShowEvent *e )
     }
     if(d->wmode == TopLevel) {
 	TQWidget *o = topLevelWidget();
-	d->mainwindow = ::qt_cast<TQMainWindow*>(o);
+	d->mainwindow = ::tqt_cast<TQMainWindow*>(o);
 	const TQObjectList children = *o->children();
 	for(TQObjectListIt it(children); it; ++it) {
 	    if(!(*it)->isWidgetType())
@@ -962,16 +962,16 @@ void TQWorkspace::showEvent( TQShowEvent *e )
 	    TQWidget *w = (TQWidget *)(*it);
 	    if(w->isTopLevel())
 		continue;
-	    if(::qt_cast<TQDockArea*>(w)) {
+	    if(::tqt_cast<TQDockArea*>(w)) {
 		const TQObjectList *dock_c = w->children();
 		if(dock_c) {
 		    TQPtrList<TQToolBar> tb_list;
 		    for(TQObjectListIt dock_it(*dock_c); dock_it; ++dock_it) {
 			if(!(*dock_it)->isWidgetType())
 			    continue;
-			if(::qt_cast<TQToolBar*>(*dock_it)) {
+			if(::tqt_cast<TQToolBar*>(*dock_it)) {
 			    tb_list.append((TQToolBar *)(*dock_it));
-			} else if (::qt_cast<TQDockWindow*>(*dock_it)) {
+			} else if (::tqt_cast<TQDockWindow*>(*dock_it)) {
 			    TQDockWindow *dw = (TQDockWindow*)(*dock_it);
 			    dw->move(dw->mapToGlobal(TQPoint(0, 0)));
 			    d->newdocks.append(dw);
@@ -1012,13 +1012,13 @@ void TQWorkspace::showEvent( TQShowEvent *e )
 		    }
 		}
 		w->installEventFilter(this);
-	    } else if(::qt_cast<TQStatusBar*>(w)) {
+	    } else if(::tqt_cast<TQStatusBar*>(w)) {
 		if(activeWindow()) {
 		    TQWorkspaceChild *c;
 		    if ( ( c = findChild(activeWindow()) ) )
 			c->setStatusBar((TQStatusBar*)w);
 		}
-	    } else if(::qt_cast<TQWorkspaceChild*>(w)) {
+	    } else if(::tqt_cast<TQWorkspaceChild*>(w)) {
 		w->reparent(this, w->testWFlags(~(0)) | WType_TopLevel, w->pos());
 	    }
 	}
@@ -1033,7 +1033,7 @@ void TQWorkspace::showEvent( TQShowEvent *e )
 	o->reparent(w, TQPoint(0, 0), TRUE);
 	{
 	    TQMenuBar *mb = 0;
-	    if(::qt_cast<TQMainWindow*>(o))
+	    if(::tqt_cast<TQMainWindow*>(o))
 		mb = ((TQMainWindow *)o)->menuBar();
 	    if(!mb)
 		mb = (TQMenuBar*)o->child(NULL, "TQMenuBar");
@@ -1291,7 +1291,7 @@ TQWidgetList TQWorkspace::windowList( WindowOrder order ) const
 	    while (it.current()) {
 		TQObject *o = it.current();
 		++it;
-		TQWorkspaceChild *c = ::qt_cast<TQWorkspaceChild*>(o);
+		TQWorkspaceChild *c = ::tqt_cast<TQWorkspaceChild*>(o);
 		if (c && c->windowWidget())
 		    windows.append(c->windowWidget());
 	    }
@@ -1313,15 +1313,15 @@ bool TQWorkspace::eventFilter( TQObject *o, TQEvent * e)
 {
     if(d->wmode == TopLevel && d->mainwindow && o->parent() == d->mainwindow) {
 	if((e->type() == TQEvent::ChildInserted || e->type() == TQEvent::Reparent) &&
-	    ::qt_cast<TQDockArea*>(o) && !((TQWidget*)o)->isVisible()) {
+	    ::tqt_cast<TQDockArea*>(o) && !((TQWidget*)o)->isVisible()) {
 	    TQChildEvent *ce = (TQChildEvent*)e;
-	    if(!::qt_cast<TQDockWindow*>(ce->child())) {
+	    if(!::tqt_cast<TQDockWindow*>(ce->child())) {
 		tqDebug("No idea what to do..");
 		return FALSE;
 	    }
 	    TQDockWindow *w = (TQDockWindow*)ce->child();
 	    if(d->newdocks.find(w) == -1 && d->dockwindows.find(w) == -1) {
-		if(::qt_cast<TQToolBar*>(w))
+		if(::tqt_cast<TQToolBar*>(w))
 		    d->newdocks.prepend(w);
 		else
 		    d->newdocks.append(w);
@@ -1451,7 +1451,7 @@ bool TQWorkspace::eventFilter( TQObject *o, TQEvent * e)
 		if ( c->shademode )
 		    c->showShaded();
 	    }
-	} else if ( ::qt_cast<TQWorkspaceChild*>(o) ) {
+	} else if ( ::tqt_cast<TQWorkspaceChild*>(o) ) {
 	    d->popup->hide();
 	}
 	updateWorkspace();
@@ -2148,7 +2148,7 @@ TQWorkspaceChild::~TQWorkspaceChild()
 {
     if ( iconw )
 	delete iconw->parentWidget();
-    TQWorkspace *workspace = ::qt_cast<TQWorkspace*>(parentWidget());
+    TQWorkspace *workspace = ::tqt_cast<TQWorkspace*>(parentWidget());
     if ( workspace ) {
         workspace->d->focus.removeRef(this);
 	if ( workspace->d->active == this ) {
@@ -2536,7 +2536,7 @@ void TQWorkspaceChild::styleChange( TQStyle & )
 {
     resizeEvent( 0 );
     if ( iconw ) {
-	TQVBox *vbox = (TQVBox*)iconw->parentWidget()->qt_cast( "TQVBox" );
+	TQVBox *vbox = (TQVBox*)iconw->parentWidget()->tqt_cast( "TQVBox" );
 	Q_ASSERT(vbox);
 	if ( !style().styleHint( TQStyle::SH_TitleBar_NoBorder ) ) {
 	    vbox->setFrameStyle( TQFrame::WinPanel | TQFrame::Raised );
diff --git a/tools/assistant/tabbedbrowser.ui.h b/tools/assistant/tabbedbrowser.ui.h
index 6663b53a..35ed6a95 100644
--- a/tools/assistant/tabbedbrowser.ui.h
+++ b/tools/assistant/tabbedbrowser.ui.h
@@ -322,15 +322,15 @@ TQPtrList<HelpWindow> TabbedBrowser::browsers() const
 {
     TQPtrList<HelpWindow> list;
     for (int i=0; i<tab->count(); ++i) {
-	Q_ASSERT(::qt_cast<HelpWindow*>(tab->page(i)));
-	list.append(::qt_cast<HelpWindow*>(tab->page(i)));
+	Q_ASSERT(::tqt_cast<HelpWindow*>(tab->page(i)));
+	list.append(::tqt_cast<HelpWindow*>(tab->page(i)));
     }
     return list;
 }
 
 void TabbedBrowser::sourceChanged()
 {
-    HelpWindow *win = ::qt_cast<HelpWindow *>( TQObject::sender() );
+    HelpWindow *win = ::tqt_cast<HelpWindow *>( TQObject::sender() );
     Q_ASSERT( win );
     TQString docTitle(win->documentTitle());
     if (docTitle.isEmpty())
diff --git a/tools/designer/designer/actiondnd.cpp b/tools/designer/designer/actiondnd.cpp
index def64548..b0e619c2 100644
--- a/tools/designer/designer/actiondnd.cpp
+++ b/tools/designer/designer/actiondnd.cpp
@@ -110,7 +110,7 @@ bool TQDesignerAction::addTo( TQWidget *w )
     if ( !widgetToInsert )
 	return TQAction::addTo( w );
 
-    if ( ::qt_cast<TQPopupMenu*>(w) )
+    if ( ::tqt_cast<TQPopupMenu*>(w) )
 	return FALSE;
 
     widgetToInsert->reparent( w, TQPoint( 0, 0 ), FALSE );
@@ -201,11 +201,11 @@ TQSeparatorAction::TQSeparatorAction( TQObject *parent )
 
 bool TQSeparatorAction::addTo( TQWidget *w )
 {
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	TQToolBar *tb = (TQToolBar*)w;
 	wid = new TQDesignerToolBarSeparator( tb->orientation(), tb );
 	return TRUE;
-    } else if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    } else if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	idx = ( (TQPopupMenu*)w )->count();
 	( (TQPopupMenu*)w )->insertSeparator( idx );
 	return TRUE;
@@ -215,10 +215,10 @@ bool TQSeparatorAction::addTo( TQWidget *w )
 
 bool TQSeparatorAction::removeFrom( TQWidget *w )
 {
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	delete wid;
 	return TRUE;
-    } else if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    } else if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	( (TQPopupMenu*)w )->removeItemAt( idx );
 	return TRUE;
     }
@@ -267,7 +267,7 @@ void TQDesignerToolBar::findFormWindow()
 {
     TQWidget *w = this;
     while ( w ) {
-	formWindow = ::qt_cast<FormWindow*>(w);
+	formWindow = ::tqt_cast<FormWindow*>(w);
 	if ( formWindow )
 	    break;
 	w = w->parentWidget();
@@ -278,10 +278,10 @@ void TQDesignerToolBar::addAction( TQAction *a )
 {
     actionList.append( a );
     connect( a, SIGNAL( destroyed() ), this, SLOT( actionRemoved() ) );
-    if ( ::qt_cast<TQActionGroup*>(a) ) {
+    if ( ::tqt_cast<TQActionGroup*>(a) ) {
 	( (TQDesignerActionGroup*)a )->widget()->installEventFilter( this );
 	actionMap.insert( ( (TQDesignerActionGroup*)a )->widget(), a );
-    } else if ( ::qt_cast<TQSeparatorAction*>(a) ) {
+    } else if ( ::tqt_cast<TQSeparatorAction*>(a) ) {
 	( (TQSeparatorAction*)a )->widget()->installEventFilter( this );
 	actionMap.insert( ( (TQSeparatorAction*)a )->widget(), a );
     } else {
@@ -292,7 +292,7 @@ void TQDesignerToolBar::addAction( TQAction *a )
 
 static void fixObject( TQObject *&o )
 {
-    while ( o && o->parent() && !::qt_cast<TQDesignerToolBar*>(o->parent()) )
+    while ( o && o->parent() && !::tqt_cast<TQDesignerToolBar*>(o->parent()) )
 	o = o->parent();
 }
 
@@ -410,7 +410,7 @@ void TQDesignerToolBar::buttonContextMenuEvent( TQContextMenuEvent *e, TQObject
     const int ID_SEP = 2;
     const int ID_DELTOOLBAR = 3;
     TQMap<TQWidget*, TQAction*>::Iterator it = actionMap.find( (TQWidget*)o );
-    if ( it != actionMap.end() && ::qt_cast<TQSeparatorAction*>(*it) )
+    if ( it != actionMap.end() && ::tqt_cast<TQSeparatorAction*>(*it) )
 	menu.insertItem( tr( "Delete Separator" ), ID_DELETE );
     else
 	menu.insertItem( tr( "Delete Item" ), ID_DELETE );
@@ -511,11 +511,11 @@ void TQDesignerToolBar::buttonMouseMoveEvent( TQMouseEvent *e, TQObject *o )
     TQApplication::sendPostedEvents();
     adjustSize();
 
-    TQString type = ::qt_cast<TQActionGroup*>(a) ? TQString( "application/x-designer-actiongroup" ) :
-	::qt_cast<TQSeparatorAction*>(a) ? TQString( "application/x-designer-separator" ) : TQString( "application/x-designer-actions" );
+    TQString type = ::tqt_cast<TQActionGroup*>(a) ? TQString( "application/x-designer-actiongroup" ) :
+	::tqt_cast<TQSeparatorAction*>(a) ? TQString( "application/x-designer-separator" ) : TQString( "application/x-designer-actions" );
     TQStoredDrag *drag = new ActionDrag( type, a, this );
     drag->setPixmap( a->iconSet().pixmap() );
-    if ( ::qt_cast<TQDesignerAction*>(a) ) {
+    if ( ::tqt_cast<TQDesignerAction*>(a) ) {
 	if ( formWindow->widgets()->find( ( (TQDesignerAction*)a )->widget() ) )
 	    formWindow->selectWidget( ( (TQDesignerAction*)a )->widget(), FALSE );
     }
@@ -572,11 +572,11 @@ void TQDesignerToolBar::dropEvent( TQDropEvent *e )
     if ( e->provides( "application/x-designer-actions" ) ||
 	 e->provides( "application/x-designer-separator" ) ) {
 	if ( e->provides( "application/x-designer-actions" ) )
-	    a = ::qt_cast<TQDesignerAction*>(ActionDrag::action());
+	    a = ::tqt_cast<TQDesignerAction*>(ActionDrag::action());
 	else
-	    a = ::qt_cast<TQSeparatorAction*>(ActionDrag::action());
+	    a = ::tqt_cast<TQSeparatorAction*>(ActionDrag::action());
     } else {
-	a = ::qt_cast<TQDesignerActionGroup*>(ActionDrag::action());
+	a = ::tqt_cast<TQDesignerActionGroup*>(ActionDrag::action());
     }
 
     if ( actionList.findRef( a ) != -1 ) {
@@ -605,14 +605,14 @@ void TQDesignerToolBar::reInsert()
     clear();
     for ( a = actionList.first(); a; a = actionList.next() ) {
 	a->addTo( this );
-	if ( ::qt_cast<TQActionGroup*>(a) ) {
+	if ( ::tqt_cast<TQActionGroup*>(a) ) {
 	    actionMap.insert( ( (TQDesignerActionGroup*)a )->widget(), a );
 	    if ( ( (TQDesignerActionGroup*)a )->widget() )
 		( (TQDesignerActionGroup*)a )->widget()->installEventFilter( this );
-	} else if ( ::qt_cast<TQDesignerAction*>(a) ) {
+	} else if ( ::tqt_cast<TQDesignerAction*>(a) ) {
 	    actionMap.insert( ( (TQDesignerAction*)a )->widget(), a );
 	    ( (TQDesignerAction*)a )->widget()->installEventFilter( this );
-	} else if ( ::qt_cast<TQSeparatorAction*>(a) ) {
+	} else if ( ::tqt_cast<TQSeparatorAction*>(a) ) {
 	    actionMap.insert( ( (TQSeparatorAction*)a )->widget(), a );
 	    ( (TQSeparatorAction*)a )->widget()->installEventFilter( this );
 	}
@@ -724,7 +724,7 @@ void TQDesignerToolBar::doInsertWidget( const TQPoint &p )
 void TQDesignerToolBar::clear()
 {
     for ( TQAction *a = actionList.first(); a; a = actionList.next() ) {
-	if ( ::qt_cast<TQDesignerAction*>(a) )
+	if ( ::tqt_cast<TQDesignerAction*>(a) )
 	    ( (TQDesignerAction*)a )->remove();
     }
     TQToolBar::clear();
diff --git a/tools/designer/designer/actiondnd.h b/tools/designer/designer/actiondnd.h
index 41578424..6d4f7df7 100644
--- a/tools/designer/designer/actiondnd.h
+++ b/tools/designer/designer/actiondnd.h
@@ -78,7 +78,7 @@ class TQDesignerActionGroup : public TQActionGroup
 
 public:
     TQDesignerActionGroup( TQObject *parent )
-	: TQActionGroup( ::qt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ) { init(); }
+	: TQActionGroup( ::tqt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ) { init(); }
 
     void init();
 
@@ -113,9 +113,9 @@ class TQDesignerAction : public TQAction
 
 public:
     TQDesignerAction( TQObject *parent )
-	: TQAction( ::qt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ), widgetToInsert( 0 ) { init(); }
+	: TQAction( ::tqt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ), widgetToInsert( 0 ) { init(); }
     TQDesignerAction( TQWidget *w, TQObject *parent )
-	: TQAction( ::qt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ), widgetToInsert( w ) { init(); }
+	: TQAction( ::tqt_cast<TQActionGroup*>(parent) ? parent : 0 ), wid( 0 ), idx( -1 ), widgetToInsert( w ) { init(); }
 
     void init();
 
diff --git a/tools/designer/designer/actioneditorimpl.cpp b/tools/designer/designer/actioneditorimpl.cpp
index 88587cdc..a7ab8d3c 100644
--- a/tools/designer/designer/actioneditorimpl.cpp
+++ b/tools/designer/designer/actioneditorimpl.cpp
@@ -154,7 +154,7 @@ void ActionEditor::newAction()
 {
     ActionItem *actionParent = (ActionItem*)listActions->selectedItem();
     if ( actionParent ) {
-	if ( !::qt_cast<TQActionGroup*>(actionParent->actionGroup()) )
+	if ( !::tqt_cast<TQActionGroup*>(actionParent->actionGroup()) )
 	    actionParent = (ActionItem*)actionParent->parent();
     }
 
@@ -190,7 +190,7 @@ void ActionEditor::newActionGroup()
 {
     ActionItem *actionParent = (ActionItem*)listActions->selectedItem();
     if ( actionParent ) {
-	if ( !::qt_cast<TQActionGroup*>(actionParent->actionGroup()) )
+	if ( !::tqt_cast<TQActionGroup*>(actionParent->actionGroup()) )
 	    actionParent = (ActionItem*)actionParent->parent();
     }
 
@@ -230,13 +230,13 @@ void ActionEditor::setFormWindow( FormWindow *fw )
     listActions->clear();
     formWindow = fw;
     if ( !formWindow ||
-	 !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) ) {
+	 !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) ) {
 	setEnabled( FALSE );
     } else {
 	setEnabled( TRUE );
 	for ( TQAction *a = formWindow->actionList().first(); a; a = formWindow->actionList().next() ) {
 	    ActionItem *i = 0;
-	    if ( ::qt_cast<TQAction*>(a->parent()) )
+	    if ( ::tqt_cast<TQAction*>(a->parent()) )
 		continue;
 	    i = new ActionItem( listActions, a );
 	    i->setText( 0, a->name() );
@@ -246,7 +246,7 @@ void ActionEditor::setFormWindow( FormWindow *fw )
  				 this, SLOT( removeConnections( TQObject * ) ) );
 	    TQObject::connect( a, SIGNAL( destroyed( TQObject * ) ),
 			      this, SLOT( removeConnections( TQObject* ) ) );
-	    if ( ::qt_cast<TQActionGroup*>(a) ) {
+	    if ( ::tqt_cast<TQActionGroup*>(a) ) {
 		insertChildActions( i );
 	    }
 	}
@@ -265,7 +265,7 @@ void ActionEditor::insertChildActions( ActionItem *i )
     while ( it.current() ) {
 	TQObject *o = it.current();
 	++it;
-	if ( !::qt_cast<TQAction*>(o) )
+	if ( !::tqt_cast<TQAction*>(o) )
 	    continue;
 	TQAction *a = (TQAction*)o;
 	ActionItem *i2 = new ActionItem( (TQListViewItem*)i, a );
@@ -277,7 +277,7 @@ void ActionEditor::insertChildActions( ActionItem *i )
  			     this, SLOT( removeConnections( TQObject * ) ) );
  	TQObject::connect( o, SIGNAL( destroyed( TQObject * ) ),
  			  this, SLOT( removeConnections( TQObject * ) ) );
-	if ( ::qt_cast<TQActionGroup*>(a) )
+	if ( ::tqt_cast<TQActionGroup*>(a) )
 	    insertChildActions( i2 );
     }
 }
diff --git a/tools/designer/designer/actionlistview.cpp b/tools/designer/designer/actionlistview.cpp
index fe3bc92b..0bccd671 100644
--- a/tools/designer/designer/actionlistview.cpp
+++ b/tools/designer/designer/actionlistview.cpp
@@ -48,18 +48,18 @@ ActionListView::ActionListView( TQWidget *parent, const char *name )
 ActionItem::ActionItem( TQListView *lv, TQAction *ac )
     : TQListViewItem( lv ), a( 0 ), g( 0 )
 {
-    g = ::qt_cast<TQDesignerActionGroup*>(ac);
+    g = ::tqt_cast<TQDesignerActionGroup*>(ac);
     if ( !g )
-	a = ::qt_cast<TQDesignerAction*>(ac);
+	a = ::tqt_cast<TQDesignerAction*>(ac);
     setDragEnabled( TRUE );
 }
 
 ActionItem::ActionItem( TQListViewItem *i, TQAction *ac )
     : TQListViewItem( i ), a( 0 ), g( 0 )
 {
-    g = ::qt_cast<TQDesignerActionGroup*>(ac);
+    g = ::tqt_cast<TQDesignerActionGroup*>(ac);
     if ( !g )
-	a = ::qt_cast<TQDesignerAction*>(ac);
+	a = ::tqt_cast<TQDesignerAction*>(ac);
     setDragEnabled( TRUE );
     moveToEnd();
 }
diff --git a/tools/designer/designer/command.cpp b/tools/designer/designer/command.cpp
index e374a3cc..5271e9ff 100644
--- a/tools/designer/designer/command.cpp
+++ b/tools/designer/designer/command.cpp
@@ -497,7 +497,7 @@ bool SetPropertyCommand::canMerge( Command *c )
     if ( !p ) {
 	if ( propName == "toolTip" || propName == "whatsThis" )
 	    return TRUE;
-	if ( ::qt_cast<CustomWidget*>((TQObject *)widget) ) {
+	if ( ::tqt_cast<CustomWidget*>((TQObject *)widget) ) {
 	    MetaDataBase::CustomWidget *cw = ((CustomWidget*)(TQObject*)widget)->customWidget();
 	    if ( !cw )
 		return FALSE;
@@ -548,7 +548,7 @@ bool SetPropertyCommand::checkProperty()
 	    return FALSE;
 	}
 
-	if ( ::qt_cast<FormWindow*>(widget->parent()) )
+	if ( ::tqt_cast<FormWindow*>(widget->parent()) )
 	    formWindow()->mainWindow()->formNameChanged( (FormWindow*)((TQWidget*)(TQObject*)widget)->parentWidget() );
     }
     return TRUE;
@@ -600,7 +600,7 @@ void SetPropertyCommand::setProperty( const TQVariant &v, const TQString &curren
 	    MetaDataBase::setResizeMode( WidgetFactory::containerOfWidget( (TQWidget*)editor->widget() ), currentItemText );
 	} else if ( propName == "toolTip" || propName == "whatsThis" || propName == "database" || propName == "frameworkCode" ) {
 	    MetaDataBase::setFakeProperty( editor->widget(), propName, v );
-	} else if ( ::qt_cast<CustomWidget*>(editor->widget()) ) {
+	} else if ( ::tqt_cast<CustomWidget*>(editor->widget()) ) {
 	    MetaDataBase::CustomWidget *cw = ((CustomWidget *)(TQObject *)widget)->customWidget();
 	    if ( cw ) {
 		MetaDataBase::setFakeProperty( editor->widget(), propName, v );
@@ -648,10 +648,10 @@ void SetPropertyCommand::setProperty( const TQVariant &v, const TQString &curren
 	    if ( formWindow()->isMainContainer( widget ) )
 		formWindow()->setName( v.toCString() );
 	}
-	if ( propName == "name" && ::qt_cast<TQAction*>((TQObject *)widget) && ::qt_cast<TQMainWindow*>(formWindow()->mainContainer()) ) {
+	if ( propName == "name" && ::tqt_cast<TQAction*>((TQObject *)widget) && ::tqt_cast<TQMainWindow*>(formWindow()->mainContainer()) ) {
 	    formWindow()->mainWindow()->actioneditor()->updateActionName( (TQAction*)(TQObject *)widget );
 	}
-	if ( propName == "iconSet" && ::qt_cast<TQAction*>((TQObject *)widget) && ::qt_cast<TQMainWindow*>(formWindow()->mainContainer()) ) {
+	if ( propName == "iconSet" && ::tqt_cast<TQAction*>((TQObject *)widget) && ::tqt_cast<TQMainWindow*>(formWindow()->mainContainer()) ) {
 	    formWindow()->mainWindow()->actioneditor()->updateActionIcon( (TQAction*)(TQObject *)widget );
 	}
 	if ( propName == "caption" ) {
@@ -798,9 +798,9 @@ BreakLayoutCommand::BreakLayoutCommand( const TQString &n, FormWindow *fw,
     margin = MetaDataBase::margin( layoutBase );
     layout = 0;
     if ( lay == WidgetFactory::HBox )
-	layout = new HorizontalLayout( wl, layoutBase, fw, layoutBase, FALSE, ::qt_cast<TQSplitter*>(layoutBase) != 0 );
+	layout = new HorizontalLayout( wl, layoutBase, fw, layoutBase, FALSE, ::tqt_cast<TQSplitter*>(layoutBase) != 0 );
     else if ( lay == WidgetFactory::VBox )
-	layout = new VerticalLayout( wl, layoutBase, fw, layoutBase, FALSE, ::qt_cast<TQSplitter*>(layoutBase) != 0 );
+	layout = new VerticalLayout( wl, layoutBase, fw, layoutBase, FALSE, ::tqt_cast<TQSplitter*>(layoutBase) != 0 );
     else if ( lay == WidgetFactory::Grid )
 	layout = new GridLayout( wl, layoutBase, fw, layoutBase, TQSize( TQMAX( 5, fw->grid().x()), TQMAX( 5, fw->grid().y()) ), FALSE );
 }
@@ -1786,7 +1786,7 @@ void AddActionToToolBarCommand::execute()
 {
     action->addTo( toolBar );
 
-    if ( ::qt_cast<TQDesignerAction*>(action) ) {
+    if ( ::tqt_cast<TQDesignerAction*>(action) ) {
 	TQString s = ( (TQDesignerAction*)action )->widget()->name();
 	if ( s.startsWith( "qt_dead_widget_" ) ) {
 	    s.remove( 0, TQString( "qt_dead_widget_" ).length() );
@@ -1794,16 +1794,16 @@ void AddActionToToolBarCommand::execute()
 	}
 	toolBar->insertAction( ( (TQDesignerAction*)action )->widget(), action );
 	( (TQDesignerAction*)action )->widget()->installEventFilter( toolBar );
-    } else if ( ::qt_cast<TQDesignerActionGroup*>(action) ) {
+    } else if ( ::tqt_cast<TQDesignerActionGroup*>(action) ) {
 	if ( ( (TQDesignerActionGroup*)action )->usesDropDown() ) {
 	    toolBar->insertAction( ( (TQDesignerActionGroup*)action )->widget(), action );
 	    ( (TQDesignerActionGroup*)action )->widget()->installEventFilter( toolBar );
 	}
-    } else if ( ::qt_cast<TQSeparatorAction*>(action) ) {
+    } else if ( ::tqt_cast<TQSeparatorAction*>(action) ) {
 	toolBar->insertAction( ( (TQSeparatorAction*)action )->widget(), action );
 	( (TQSeparatorAction*)action )->widget()->installEventFilter( toolBar );
     }
-    if ( !::qt_cast<TQActionGroup*>(action) || ( (TQActionGroup*)action )->usesDropDown()) {
+    if ( !::tqt_cast<TQActionGroup*>(action) || ( (TQActionGroup*)action )->usesDropDown()) {
 	if ( index == -1 )
 	    toolBar->appendAction( action );
 	else
@@ -1817,10 +1817,10 @@ void AddActionToToolBarCommand::execute()
 	    while ( it.current() ) {
 		TQObject *o = it.current();
 		++it;
-		if ( !::qt_cast<TQAction*>(o) )
+		if ( !::tqt_cast<TQAction*>(o) )
 		    continue;
 		// ### fix it for nested actiongroups
-		if ( ::qt_cast<TQDesignerAction*>(o) ) {
+		if ( ::tqt_cast<TQDesignerAction*>(o) ) {
 		    TQDesignerAction *ac = (TQDesignerAction*)o;
 		    toolBar->insertAction( ac->widget(), ac );
 		    ac->widget()->installEventFilter( toolBar );
@@ -1840,7 +1840,7 @@ void AddActionToToolBarCommand::execute()
 
 void AddActionToToolBarCommand::unexecute()
 {
-    if ( ::qt_cast<TQDesignerAction*>(action) ) {
+    if ( ::tqt_cast<TQDesignerAction*>(action) ) {
 	TQString s = ( (TQDesignerAction*)action )->widget()->name();
 	s.prepend( "qt_dead_widget_" );
 	( (TQDesignerAction*)action )->widget()->setName( s );
@@ -1849,7 +1849,7 @@ void AddActionToToolBarCommand::unexecute()
     toolBar->removeAction( action );
     action->removeFrom( toolBar );
     TQObject::disconnect( action, SIGNAL( destroyed() ), toolBar, SLOT( actionRemoved() ) );
-    if ( !::qt_cast<TQActionGroup*>(action) || ( (TQActionGroup*)action )->usesDropDown()) {
+    if ( !::tqt_cast<TQActionGroup*>(action) || ( (TQActionGroup*)action )->usesDropDown()) {
 	action->removeEventFilter( toolBar );
     } else {
 	if ( action->children() ) {
@@ -1857,9 +1857,9 @@ void AddActionToToolBarCommand::unexecute()
 	    while ( it.current() ) {
 		TQObject *o = it.current();
 		++it;
-		if ( !::qt_cast<TQAction*>(o) )
+		if ( !::tqt_cast<TQAction*>(o) )
 		    continue;
-		if ( ::qt_cast<TQDesignerAction*>(o) ) {
+		if ( ::tqt_cast<TQDesignerAction*>(o) ) {
 		    o->removeEventFilter( toolBar );
 		    toolBar->removeAction( (TQAction*)o );
 		}
diff --git a/tools/designer/designer/connectionitems.cpp b/tools/designer/designer/connectionitems.cpp
index db73c966..35d44c19 100644
--- a/tools/designer/designer/connectionitems.cpp
+++ b/tools/designer/designer/connectionitems.cpp
@@ -194,10 +194,10 @@ static void appendChildActions( TQAction *action, TQStringList &lst )
     while ( it.current() ) {
 	TQObject *o = it.current();
 	++it;
-	if ( !::qt_cast<TQAction*>(o) )
+	if ( !::tqt_cast<TQAction*>(o) )
 	    continue;
 	lst << o->name();
-	if ( o->children() && ::qt_cast<TQActionGroup*>(o) )
+	if ( o->children() && ::tqt_cast<TQActionGroup*>(o) )
 	    appendChildActions( (TQAction*)o, lst );
     }
 }
@@ -210,7 +210,7 @@ static TQStringList flatActions( const TQPtrList<TQAction> &l )
     while ( it.current() ) {
 	TQAction *action = it.current();
 	lst << action->name();
-	if ( action->children() && ::qt_cast<TQActionGroup*>(action) )
+	if ( action->children() && ::tqt_cast<TQActionGroup*>(action) )
 	    appendChildActions( action, lst );
 	++it;
     }
@@ -232,9 +232,9 @@ SenderItem::SenderItem( TQTable *table, FormWindow *fw )
 	    continue;
 	}
 	if ( !TQString( it.current()->name() ).startsWith( "qt_dead_widget_" ) &&
-	     !::qt_cast<TQLayoutWidget*>(it.current()) &&
-	     !::qt_cast<Spacer*>(it.current()) &&
-	     !::qt_cast<SizeHandle*>(it.current()) &&
+	     !::tqt_cast<TQLayoutWidget*>(it.current()) &&
+	     !::tqt_cast<Spacer*>(it.current()) &&
+	     !::tqt_cast<SizeHandle*>(it.current()) &&
 	     qstrcmp( it.current()->name(), "central widget" ) != 0 ) {
 	    lst << it.current()->name();
 	}
@@ -289,9 +289,9 @@ ReceiverItem::ReceiverItem( TQTable *table, FormWindow *fw )
 	    continue;
 	}
 	if ( !TQString( it.current()->name() ).startsWith( "qt_dead_widget_" ) &&
-	     !::qt_cast<TQLayoutWidget*>(it.current()) &&
-	     !::qt_cast<Spacer*>(it.current()) &&
-	     !::qt_cast<SizeHandle*>(it.current()) &&
+	     !::tqt_cast<TQLayoutWidget*>(it.current()) &&
+	     !::tqt_cast<Spacer*>(it.current()) &&
+	     !::tqt_cast<SizeHandle*>(it.current()) &&
 	     qstrcmp( it.current()->name(), "central widget" ) != 0 ) {
 	    lst << it.current()->name();
 	}
@@ -353,7 +353,7 @@ void SignalItem::senderChanged( TQObject *sender )
 
     TQStringList lst = TQStringList::fromStrList( sigs );
 
-    if ( ::qt_cast<CustomWidget*>(sender) ) {
+    if ( ::tqt_cast<CustomWidget*>(sender) ) {
 	MetaDataBase::CustomWidget *w = ( (CustomWidget*)sender )->customWidget();
 	for ( TQValueList<TQCString>::Iterator it = w->lstSignals.begin();
 	      it != w->lstSignals.end(); ++it )
@@ -415,7 +415,7 @@ bool SlotItem::ignoreSlot( const char* slot ) const
 {
 #ifndef QT_NO_SQL
     if ( qstrcmp( slot, "update()" ) == 0 &&
-	 ::qt_cast<TQDataBrowser*>(lastReceiver) )
+	 ::tqt_cast<TQDataBrowser*>(lastReceiver) )
 	return FALSE;
 #endif
 
@@ -485,7 +485,7 @@ void SlotItem::updateSlotList()
 	}
     }
 
-    if ( ::qt_cast<CustomWidget*>(lastReceiver) ) {
+    if ( ::tqt_cast<CustomWidget*>(lastReceiver) ) {
 	MetaDataBase::CustomWidget *w = ( (CustomWidget*)lastReceiver )->customWidget();
 	for ( TQValueList<MetaDataBase::Function>::Iterator it = w->lstSlots.begin();
 	      it != w->lstSlots.end(); ++it ) {
diff --git a/tools/designer/designer/designerappiface.cpp b/tools/designer/designer/designerappiface.cpp
index d1d215a7..4cba8db7 100644
--- a/tools/designer/designer/designerappiface.cpp
+++ b/tools/designer/designer/designerappiface.cpp
@@ -197,7 +197,7 @@ TQPtrList<DesignerFormWindow> DesignerProjectImpl::formList() const
     while ( it.current() ) {
 	TQObject *obj = it.current();
 	++it;
-	TQWidget *par = ::qt_cast<FormWindow*>(obj->parent());
+	TQWidget *par = ::tqt_cast<FormWindow*>(obj->parent());
 	if ( !obj->isWidgetType() || !par )
 	    continue;
 
@@ -964,7 +964,7 @@ void DesignerFormWindowImpl::onModificationChange( TQObject *receiver, const cha
 
 void DesignerFormWindowImpl::addMenu( const TQString &text, const TQString &name )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
 
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
@@ -984,7 +984,7 @@ void DesignerFormWindowImpl::addMenu( const TQString &text, const TQString &name
 
 void DesignerFormWindowImpl::addMenuAction( const TQString &menu, TQAction *a )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
     if ( !mw->child( 0, "MenuBarEditor" ) )
@@ -997,7 +997,7 @@ void DesignerFormWindowImpl::addMenuAction( const TQString &menu, TQAction *a )
 
 void DesignerFormWindowImpl::addMenuSeparator( const TQString &menu )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
     if ( !mw->child( 0, "MenuBarEditor" ) )
@@ -1011,7 +1011,7 @@ void DesignerFormWindowImpl::addMenuSeparator( const TQString &menu )
 
 void DesignerFormWindowImpl::addToolBar( const TQString &text, const TQString &name )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
     TQToolBar *tb = new TQDesignerToolBar( mw );
@@ -1023,7 +1023,7 @@ void DesignerFormWindowImpl::addToolBar( const TQString &text, const TQString &n
 
 void DesignerFormWindowImpl::addToolBarAction( const TQString &tbn, TQAction *a )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
     TQDesignerToolBar *tb = (TQDesignerToolBar*)mw->child( tbn, "TQDesignerToolBar" );
@@ -1035,7 +1035,7 @@ void DesignerFormWindowImpl::addToolBarAction( const TQString &tbn, TQAction *a
 
 void DesignerFormWindowImpl::addToolBarSeparator( const TQString &tbn )
 {
-    if ( !::qt_cast<TQMainWindow*>(formWindow->mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(formWindow->mainContainer()) )
 	return;
     TQMainWindow *mw = (TQMainWindow*)formWindow->mainContainer();
     TQDesignerToolBar *tb = (TQDesignerToolBar*)mw->child( tbn, "TQDesignerToolBar" );
diff --git a/tools/designer/designer/formwindow.cpp b/tools/designer/designer/formwindow.cpp
index 50dd9620..405968be 100644
--- a/tools/designer/designer/formwindow.cpp
+++ b/tools/designer/designer/formwindow.cpp
@@ -90,7 +90,7 @@ static void setCursorToAll( const TQCursor &c, TQWidget *start )
     TQObjectList *l = (TQObjectList*)start->children();
     if ( l ) {
 	for ( TQObject *o = l->first(); o; o = l->next() ) {
-	    if ( o->isWidgetType() && !::qt_cast<SizeHandle*>(o) )
+	    if ( o->isWidgetType() && !::tqt_cast<SizeHandle*>(o) )
 		setCursorToAll( c, ( (TQWidget*)o ) );
 	}
     }
@@ -105,7 +105,7 @@ static void restoreCursors( TQWidget *start, FormWindow *fw )
     TQObjectList *l = (TQObjectList*)start->children();
     if ( l ) {
 	for ( TQObject *o = l->first(); o; o = l->next() ) {
-	    if ( o->isWidgetType() && !::qt_cast<SizeHandle*>(o) )
+	    if ( o->isWidgetType() && !::tqt_cast<SizeHandle*>(o) )
 		restoreCursors( ( (TQWidget*)o ), fw );
 	}
     }
@@ -544,7 +544,7 @@ void FormWindow::handleContextMenu( TQContextMenuEvent *e, TQWidget *w )
 		    ( WidgetFactory::layoutType( w->parentWidget()) != WidgetFactory::NoLayout ||
 		      !insertedWidgets.find(w) ) )
 		w = w->parentWidget();
-	    if ( ::qt_cast<TQMainWindow*>(mainContainer()) && ((TQMainWindow*)mainContainer())->centralWidget() == realWidget ) {
+	    if ( ::tqt_cast<TQMainWindow*>(mainContainer()) && ((TQMainWindow*)mainContainer())->centralWidget() == realWidget ) {
 		e->accept();
 		mainwindow->popupFormWindowMenu( e->globalPos(), this );
 	    } else {
@@ -656,7 +656,7 @@ void FormWindow::handleMousePress( TQMouseEvent *e, TQWidget *w )
 	    break;
 	validForBuddy = FALSE;
 	if ( currTool == BUDDY_TOOL ) {
-	    if ( !::qt_cast<TQLabel*>(w) )
+	    if ( !::tqt_cast<TQLabel*>(w) )
 		break;
 	    clearSelection( FALSE );
 	    validForBuddy = TRUE;
@@ -698,7 +698,7 @@ void FormWindow::handleMousePress( TQMouseEvent *e, TQWidget *w )
 		for (;;) {
 		    int id = WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( wid ) );
 		    if ( ( WidgetDatabase::isContainer( id ) || wid == mainContainer() ) &&
-			 !::qt_cast<TQLayoutWidget*>(wid) && !::qt_cast<TQSplitter*>(wid) ) {
+			 !::tqt_cast<TQLayoutWidget*>(wid) && !::tqt_cast<TQSplitter*>(wid) ) {
 			insertParent = WidgetFactory::containerOfWidget( wid ); // found another parent, store it
 			break;
 		    } else {
@@ -865,7 +865,7 @@ void FormWindow::handleMouseMove( TQMouseEvent *e, TQWidget *w )
 	    wid = designerWidget( wid );
 	if ( wid && ( isMainContainer( wid ) || insertedWidgets.find( wid ) ) && wid->isVisibleTo( this ) )
 	    newendWidget = wid;
-	if ( ::qt_cast<TQLayoutWidget*>(newendWidget) || ::qt_cast<Spacer*>(newendWidget) )
+	if ( ::tqt_cast<TQLayoutWidget*>(newendWidget) || ::tqt_cast<Spacer*>(newendWidget) )
 	    newendWidget = (TQWidget*)endWidget;
 	drawRecRect = newendWidget != endWidget;
 	if ( newendWidget &&
@@ -891,7 +891,7 @@ void FormWindow::handleMouseMove( TQMouseEvent *e, TQWidget *w )
 	    newendWidget = wid;
 	else
 	    newendWidget = 0;
-	if ( ::qt_cast<TQLayoutWidget*>(newendWidget) || ::qt_cast<Spacer*>(newendWidget) )
+	if ( ::tqt_cast<TQLayoutWidget*>(newendWidget) || ::tqt_cast<Spacer*>(newendWidget) )
 	    newendWidget = (TQWidget*)endWidget;
 	drawRecRect = newendWidget != endWidget;
 	if ( !newendWidget )
@@ -977,12 +977,12 @@ void FormWindow::handleMouseRelease( TQMouseEvent *e, TQWidget *w )
 		bool emitSelChanged = FALSE;
 		for ( TQMap<TQWidget*, TQPoint>::Iterator it = moving.begin(); it != moving.end(); ++it ) {
 		    TQWidget *i = it.key();
-		    if ( !emitSelChanged && ::qt_cast<TQButton*>(i) ) {
-			if ( ::qt_cast<TQButtonGroup*>(i->parentWidget()) || ::qt_cast<TQButtonGroup*>(wa) )
+		    if ( !emitSelChanged && ::tqt_cast<TQButton*>(i) ) {
+			if ( ::tqt_cast<TQButtonGroup*>(i->parentWidget()) || ::tqt_cast<TQButtonGroup*>(wa) )
 			    emitSelChanged = TRUE;
-			if ( !::qt_cast<TQButtonGroup*>(wa) ) {
+			if ( !::tqt_cast<TQButtonGroup*>(wa) ) {
 			    MetaDataBase::setPropertyChanged( i, "buttonGroupId", FALSE );
-			    if ( ::qt_cast<TQButtonGroup*>(i->parentWidget()) )
+			    if ( ::tqt_cast<TQButtonGroup*>(i->parentWidget()) )
 				( (TQButtonGroup*)i->parentWidget() )->remove( (TQButton*)i );
 			}
 		    }
@@ -1194,7 +1194,7 @@ void FormWindow::selectWidget( TQObject *o, bool select )
 	return;
     }
 
-    if ( ::qt_cast<TQMainWindow*>(mainContainer()) && w == ( (TQMainWindow*)mainContainer() )->centralWidget() ) {
+    if ( ::tqt_cast<TQMainWindow*>(mainContainer()) && w == ( (TQMainWindow*)mainContainer() )->centralWidget() ) {
 	TQObject *opw = propertyWidget;
 	propertyWidget = mainContainer();
 	if ( opw->isWidgetType() )
@@ -1203,7 +1203,7 @@ void FormWindow::selectWidget( TQObject *o, bool select )
 	return;
     }
 
-    if ( ::qt_cast<TQDesignerToolBar*>(o) )
+    if ( ::tqt_cast<TQDesignerToolBar*>(o) )
 	return;
 
     if ( select ) {
@@ -1920,7 +1920,7 @@ void FormWindow::checkAccels()
 		    find_accel( w->property( "title" ).toString(), accels, w );
 		if ( pageTitle )
 		    find_accel( w->property( "pageTitle" ).toString(), accels, w );
-	    } else if ( ::qt_cast<MenuBarEditor*>(o) ) {
+	    } else if ( ::tqt_cast<MenuBarEditor*>(o) ) {
 		((MenuBarEditor *)o)->checkAccels( accels );
 	    }
 	}
@@ -2129,7 +2129,7 @@ void FormWindow::breakLayout( TQWidget *w )
 	    Command *cmd = breakLayoutCommand( w );
 	    if ( cmd )
 		commands.insert( 0, cmd );
-	    if ( !::qt_cast<TQLayoutWidget*>(w) && !::qt_cast<TQSplitter*>(w) )
+	    if ( !::tqt_cast<TQLayoutWidget*>(w) && !::tqt_cast<TQSplitter*>(w) )
 		break;
 	}
 	w = w->parentWidget();
@@ -2392,7 +2392,7 @@ bool FormWindow::unify( TQObject *w, TQString &s, bool changeIt )
 		}
 	    }
 	}
-	if ( ::qt_cast<TQMainWindow*>(mainContainer()) && !found ) {
+	if ( ::tqt_cast<TQMainWindow*>(mainContainer()) && !found ) {
 	    TQObjectList *l = mainContainer()->queryList( "PopupMenuEditor" );
 	    for ( TQObject *o = l->first(); o; o = l->next() ) {
 		if ( o != w &&
@@ -2406,7 +2406,7 @@ bool FormWindow::unify( TQObject *w, TQString &s, bool changeIt )
 	    }
 	    delete l;
 	}
-	if ( ::qt_cast<TQMainWindow*>(mainContainer()) ) {
+	if ( ::tqt_cast<TQMainWindow*>(mainContainer()) ) {
 	    if ( !found ) {
 		TQObjectList *l = mainContainer()->queryList( "TQDockWindow", 0, TRUE );
 		for ( TQObject *o = l->first(); o; o = l->next() ) {
@@ -2530,8 +2530,8 @@ TQWidget *FormWindow::containerAt( const TQPoint &pos, TQWidget *notParentOf )
     }
 
     for ( ; it.current(); ++it ) {
-	if ( ::qt_cast<TQLayoutWidget*>(it.current())
-	  || ::qt_cast<TQSplitter*>(it.current()) )
+	if ( ::tqt_cast<TQLayoutWidget*>(it.current())
+	  || ::tqt_cast<TQSplitter*>(it.current()) )
 	    continue;
 	if ( !it.current()->isVisibleTo( this ) )
 	    continue;
@@ -2688,7 +2688,7 @@ DesignerFormWindow *FormWindow::iFace()
 
 bool FormWindow::isCentralWidget( TQObject *w ) const
 {
-    if ( !::qt_cast<TQMainWindow*>(mainContainer()) )
+    if ( !::tqt_cast<TQMainWindow*>(mainContainer()) )
 	return FALSE;
     return w == ( (TQMainWindow*)mainContainer() )->centralWidget();
 }
diff --git a/tools/designer/designer/hierarchyview.cpp b/tools/designer/designer/hierarchyview.cpp
index b27ba330..e96a8647 100644
--- a/tools/designer/designer/hierarchyview.cpp
+++ b/tools/designer/designer/hierarchyview.cpp
@@ -256,12 +256,12 @@ TQObject *HierarchyList::handleObjectClick( TQListViewItem *i )
     if ( o->isWidgetType() ) {
 	TQWidget *w = (TQWidget*)o;
 	if ( !formWindow->widgets()->find( w ) ) {
-	    if ( ::qt_cast<TQWidgetStack*>(w->parent()) ) {
-		if (::qt_cast<TQTabWidget*>(w->parent()->parent()) ) {
+	    if ( ::tqt_cast<TQWidgetStack*>(w->parent()) ) {
+		if (::tqt_cast<TQTabWidget*>(w->parent()->parent()) ) {
 		    ((TQTabWidget*)w->parent()->parent())->showPage( w );
 		    o = (TQWidget*)w->parent()->parent();
 		    formWindow->emitUpdateProperties( formWindow->currentWidget() );
-		} else if ( ::qt_cast<TQWizard*>(w->parent()->parent()) ) {
+		} else if ( ::tqt_cast<TQWizard*>(w->parent()->parent()) ) {
 		    ((TQDesignerWizard*)w->parent()->parent())->
 			setCurrentPage( ( (TQDesignerWizard*)w->parent()->parent() )->pageNum( w ) );
 		    o = (TQWidget*)w->parent()->parent();
@@ -271,15 +271,15 @@ TQObject *HierarchyList::handleObjectClick( TQListViewItem *i )
 		    if ( (TQWidgetStack*)w->parent()->isA( "TQDesignerWidgetStack" ) )
 			( (TQDesignerWidgetStack*)w->parent() )->updateButtons();
 		}
-	    } else if ( ::qt_cast<TQMenuBar*>(w) || ::qt_cast<TQDockWindow*>(w) ) {
+	    } else if ( ::tqt_cast<TQMenuBar*>(w) || ::tqt_cast<TQDockWindow*>(w) ) {
 		formWindow->setActiveObject( w );
-	    } else if ( ::qt_cast<TQPopupMenu*>(w) ) {
+	    } else if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 		return 0; // ### we could try to find our menu bar and change the currentMenu to our index
 	    } else {
 		return 0;
 	    }
 	}
-    } else if ( ::qt_cast<TQAction*>(o) ) {
+    } else if ( ::tqt_cast<TQAction*>(o) ) {
 	MainWindow::self->actioneditor()->setCurrentAction( (TQAction*)o );
 	deselect = TRUE;
     }
@@ -400,7 +400,7 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
     if ( TQString( o->name() ).startsWith( "qt_dead_widget_" ) )
 	return;
     bool fakeMainWindow = FALSE;
-    if ( ::qt_cast<TQMainWindow*>(o) ) {
+    if ( ::tqt_cast<TQMainWindow*>(o) ) {
 	TQObject *cw = ( (TQMainWindow*)o )->centralWidget();
 	if ( cw ) {
 	    o = cw;
@@ -409,7 +409,7 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
     }
     TQListViewItem *item = 0;
     TQString className = WidgetFactory::classNameOf( o );
-    if ( ::qt_cast<TQLayoutWidget*>(o) ) {
+    if ( ::tqt_cast<TQLayoutWidget*>(o) ) {
 	switch ( WidgetFactory::layoutType( (TQWidget*)o ) ) {
 	case WidgetFactory::HBox:
 	    className = "HBox";
@@ -431,16 +431,16 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
 #endif
 
     TQString name = o->name();
-    if ( ::qt_cast<TQWidgetStack*>(o->parent()) ) {
-	if ( ::qt_cast<TQTabWidget*>(o->parent()->parent()) )
+    if ( ::tqt_cast<TQWidgetStack*>(o->parent()) ) {
+	if ( ::tqt_cast<TQTabWidget*>(o->parent()->parent()) )
 	    name = ( (TQTabWidget*)o->parent()->parent() )->tabLabel( (TQWidget*)o );
-	else if ( ::qt_cast<TQWizard*>(o->parent()->parent()) )
+	else if ( ::tqt_cast<TQWizard*>(o->parent()->parent()) )
 	    name = ( (TQWizard*)o->parent()->parent() )->title( (TQWidget*)o );
     }
 
     TQToolBox *tb;
     if ( o->parent() && o->parent()->parent() &&
-	 (tb = ::qt_cast<TQToolBox*>(o->parent()->parent()->parent())) )
+	 (tb = ::tqt_cast<TQToolBox*>(o->parent()->parent()->parent())) )
 	name = tb->itemLabel( tb->indexOf((TQWidget*)o) );
 
     if ( fakeMainWindow ) {
@@ -455,18 +455,18 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
     item->setOpen( TRUE );
     if ( !parent )
 	item->setPixmap( 0, TQPixmap::fromMimeSource( "designer_form.png" ) );
-    else if ( ::qt_cast<TQLayoutWidget*>(o) )
+    else if ( ::tqt_cast<TQLayoutWidget*>(o) )
 	item->setPixmap( 0, TQPixmap::fromMimeSource( "designer_layout.png" ));
     else
 	item->setPixmap( 0, WidgetDatabase::iconSet(
 		    WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( o ) ) ).
 			 pixmap( TQIconSet::Small, TQIconSet::Normal ) );
-    if ( ::qt_cast<TQAction*>(o) )
+    if ( ::tqt_cast<TQAction*>(o) )
 	item->setPixmap( 0, ( (TQAction*)o )->iconSet().pixmap() );
 
     ( (HierarchyItem*)item )->setObject( o );
     const TQObjectList *l = o->children();
-    if ( ::qt_cast<TQDesignerToolBar*>(o) )
+    if ( ::tqt_cast<TQDesignerToolBar*>(o) )
 	l = 0;
     if ( l ) {
 	TQObjectListIt it( *l );
@@ -476,13 +476,13 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
 		 ( (TQWidget*)it.current() )->isHidden() )
 		continue;
 	    if ( !formWindow->widgets()->find( (TQWidget*)it.current() ) ) {
-		if ( ::qt_cast<TQWidgetStack*>(it.current()->parent()) ||
-		     ::qt_cast<TQWidgetStack*>(it.current()) ) {
+		if ( ::tqt_cast<TQWidgetStack*>(it.current()->parent()) ||
+		     ::tqt_cast<TQWidgetStack*>(it.current()) ) {
 		    TQObject *obj = it.current();
-		    TQDesignerTabWidget *tw = ::qt_cast<TQDesignerTabWidget*>(it.current()->parent());
-		    TQDesignerWizard *dw = ::qt_cast<TQDesignerWizard*>(it.current()->parent());
+		    TQDesignerTabWidget *tw = ::tqt_cast<TQDesignerTabWidget*>(it.current()->parent());
+		    TQDesignerWizard *dw = ::tqt_cast<TQDesignerWizard*>(it.current()->parent());
 		    TQWidgetStack *stack = 0;
-		    if ( dw || tw || ::qt_cast<TQWidgetStack*>(obj) )
+		    if ( dw || tw || ::tqt_cast<TQWidgetStack*>(obj) )
 			stack = (TQWidgetStack*)obj;
 		    else
 			stack = (TQWidgetStack*)obj->parent();
@@ -503,8 +503,8 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
 			insertObject( obj, item );
 		    }
 		    delete l2;
-		} else if ( ::qt_cast<TQToolBox*>(it.current()->parent()) ) {
-		    if ( !::qt_cast<TQScrollView*>(it.current()) )
+		} else if ( ::tqt_cast<TQToolBox*>(it.current()->parent()) ) {
+		    if ( !::tqt_cast<TQScrollView*>(it.current()) )
 			continue;
 		    TQToolBox *tb = (TQToolBox*)it.current()->parent();
 		    for ( int i = tb->count() - 1; i >= 0; --i )
@@ -526,9 +526,9 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
 	for ( obj = l->first(); obj; obj = l->next() )
 	    insertObject( obj, item );
 	delete l;
-    } else if ( ::qt_cast<TQDesignerToolBar*>(o) || ::qt_cast<PopupMenuEditor*>(o) ) {
+    } else if ( ::tqt_cast<TQDesignerToolBar*>(o) || ::tqt_cast<PopupMenuEditor*>(o) ) {
 	TQPtrList<TQAction> actions;
-	if ( ::qt_cast<TQDesignerToolBar*>(o) )
+	if ( ::tqt_cast<TQDesignerToolBar*>(o) )
 	    actions = ( (TQDesignerToolBar*)o )->insertedActions();
 	else
 	    ( (PopupMenuEditor*)o )->insertedActions( actions );
@@ -537,31 +537,31 @@ void HierarchyList::insertObject( TQObject *o, TQListViewItem *parent )
 	it.toLast();
 	while ( it.current() ) {
 	    TQAction *a = it.current();
-	    if ( ::qt_cast<TQDesignerAction*>(a) ) {
+	    if ( ::tqt_cast<TQDesignerAction*>(a) ) {
 		TQDesignerAction *da = (TQDesignerAction*)a;
 		if ( da->supportsMenu() )
 		    insertObject( da, item );
 		else
 		    insertObject( da->widget(), item );
-	    } else if ( ::qt_cast<TQDesignerActionGroup*>(a) ) {
+	    } else if ( ::tqt_cast<TQDesignerActionGroup*>(a) ) {
 		insertObject( a, item );
 	    }
 	    --it;
 	}
-    } else if ( ::qt_cast<TQDesignerActionGroup*>(o) && o->children() ) {
+    } else if ( ::tqt_cast<TQDesignerActionGroup*>(o) && o->children() ) {
 	TQObjectList *l = (TQObjectList*)o->children();
 	for ( TQObject *obj = l->last(); obj; obj = l->prev() ) {
-	    if ( ::qt_cast<TQDesignerAction*>(obj) ) {
+	    if ( ::tqt_cast<TQDesignerAction*>(obj) ) {
 		TQDesignerAction *da = (TQDesignerAction*)obj;
 		if ( da->supportsMenu() )
 		    insertObject( da, item );
 		else
 		    insertObject( da->widget(), item );
-	    } else if ( ::qt_cast<TQDesignerActionGroup*>(obj) ) {
+	    } else if ( ::tqt_cast<TQDesignerActionGroup*>(obj) ) {
 		insertObject( obj, item );
 	    }
 	}
-    } else if ( ::qt_cast<MenuBarEditor*>(o) ) {
+    } else if ( ::tqt_cast<MenuBarEditor*>(o) ) {
 	MenuBarEditor *mb = (MenuBarEditor*)o;
 	for ( int i = mb->count() -1; i >= 0; --i ) {
 	    MenuBarEditorItem *md = mb->item( i );
@@ -602,7 +602,7 @@ void HierarchyList::showRMBMenu( TQListViewItem *i, const TQPoint & p )
 
     TQWidget *w = (TQWidget*)o;
     if ( w->isVisibleTo( formWindow ) ) {
-	if ( !::qt_cast<TQTabWidget*>(w) && !::qt_cast<TQWizard*>(w) ) {
+	if ( !::tqt_cast<TQTabWidget*>(w) && !::tqt_cast<TQWizard*>(w) ) {
 	    if ( !normalMenu )
 		normalMenu = formWindow->mainWindow()->setupNormalHierarchyMenu( this );
 	    normalMenu->popup( p );
@@ -623,14 +623,14 @@ void HierarchyList::addTabPage()
     if ( !o || !o->isWidgetType() )
 	return;
     TQWidget *w = (TQWidget*)o;
-    if ( ::qt_cast<TQTabWidget*>(w) ) {
+    if ( ::tqt_cast<TQTabWidget*>(w) ) {
 	TQTabWidget *tw = (TQTabWidget*)w;
 	AddTabPageCommand *cmd = new AddTabPageCommand( tr( "Add Page to %1" ).
 							arg( tw->name() ), formWindow,
 							tw, "Tab" );
 	formWindow->commandHistory()->addCommand( cmd );
 	cmd->execute();
-    } else if ( ::qt_cast<TQWizard*>(w) ) {
+    } else if ( ::tqt_cast<TQWizard*>(w) ) {
 	TQWizard *wiz = (TQWizard*)formWindow->mainContainer();
 	AddWizardPageCommand *cmd = new AddWizardPageCommand( tr( "Add Page to %1" ).
 							      arg( wiz->name() ), formWindow,
@@ -646,7 +646,7 @@ void HierarchyList::removeTabPage()
     if ( !o || !o->isWidgetType() )
 	return;
     TQWidget *w = (TQWidget*)o;
-    if ( ::qt_cast<TQTabWidget*>(w) ) {
+    if ( ::tqt_cast<TQTabWidget*>(w) ) {
 	TQTabWidget *tw = (TQTabWidget*)w;
 	if ( tw->currentPage() ) {
 	    TQDesignerTabWidget *dtw = (TQDesignerTabWidget*)tw;
@@ -657,7 +657,7 @@ void HierarchyList::removeTabPage()
 	    formWindow->commandHistory()->addCommand( cmd );
 	    cmd->execute();
 	}
-    } else if ( ::qt_cast<TQWizard*>(w) ) {
+    } else if ( ::tqt_cast<TQWizard*>(w) ) {
 	TQWizard *wiz = (TQWizard*)formWindow->mainContainer();
 	if ( wiz->currentPage() ) {
 	    TQDesignerWizard *dw = (TQDesignerWizard*)wiz;
@@ -1437,7 +1437,7 @@ void HierarchyView::widgetsRemoved( const TQWidgetList & )
 void HierarchyView::namePropertyChanged( TQWidget *w, const TQVariant & )
 {
     TQWidget *w2 = w;
-    if ( ::qt_cast<TQMainWindow*>(w) )
+    if ( ::tqt_cast<TQMainWindow*>(w) )
 	w2 = ( (TQMainWindow*)w )->centralWidget();
     listview->changeNameOf( w2, w->name() );
 }
diff --git a/tools/designer/designer/layout.cpp b/tools/designer/designer/layout.cpp
index 5262e49c..49e2c442 100644
--- a/tools/designer/designer/layout.cpp
+++ b/tools/designer/designer/layout.cpp
@@ -174,7 +174,7 @@ bool Layout::prepareLayout( bool &needMove, bool &needReparent )
     for ( TQWidget *w = widgets.first(); w; w = widgets.next() )
 	w->raise();
     needMove = !layoutBase;
-    needReparent = needMove || ::qt_cast<TQLayoutWidget*>(layoutBase) || ::qt_cast<TQSplitter*>(layoutBase);
+    needReparent = needMove || ::tqt_cast<TQLayoutWidget*>(layoutBase) || ::tqt_cast<TQSplitter*>(layoutBase);
     if ( !layoutBase ) {
 	if ( !useSplitter )
 	    layoutBase = WidgetFactory::create( WidgetDatabase::idFromClassName( "TQLayoutWidget" ),
@@ -223,7 +223,7 @@ void Layout::undoLayout()
     }
     formWindow->selectWidget( layoutBase, FALSE );
     WidgetFactory::deleteLayout( layoutBase );
-    if ( parent != layoutBase && !::qt_cast<TQMainWindow*>(layoutBase) ) {
+    if ( parent != layoutBase && !::tqt_cast<TQMainWindow*>(layoutBase) ) {
 	layoutBase->hide();
 	TQString n = layoutBase->name();
 	n.prepend( "qt_dead_widget_" );
@@ -328,13 +328,13 @@ void HorizontalLayout::doLayout()
 		layout->addWidget( w, 0, ( (Spacer*)w )->alignment() );
 	    else
 		layout->addWidget( w );
-	    if ( ::qt_cast<TQLayoutWidget*>(w) )
+	    if ( ::tqt_cast<TQLayoutWidget*>(w) )
 		( (TQLayoutWidget*)w )->updateSizePolicy();
 	}
 	w->show();
     }
 
-    if ( ::qt_cast<TQSplitter*>(layoutBase) )
+    if ( ::tqt_cast<TQSplitter*>(layoutBase) )
 	( (TQSplitter*)layoutBase )->setOrientation( TQt::Horizontal );
 
     finishLayout( needMove, layout );
@@ -392,13 +392,13 @@ void VerticalLayout::doLayout()
 		layout->addWidget( w, 0, ( (Spacer*)w )->alignment() );
 	    else
 		layout->addWidget( w );
-	    if ( ::qt_cast<TQLayoutWidget*>(w) )
+	    if ( ::tqt_cast<TQLayoutWidget*>(w) )
 		( (TQLayoutWidget*)w )->updateSizePolicy();
 	}
 	w->show();
     }
 
-    if ( ::qt_cast<TQSplitter*>(layoutBase) )
+    if ( ::tqt_cast<TQSplitter*>(layoutBase) )
 	( (TQSplitter*)layoutBase )->setOrientation( TQt::Vertical );
 
     finishLayout( needMove, layout );
@@ -766,11 +766,11 @@ void GridLayout::doLayout()
 	    if ( needReparent && w->parent() != layoutBase )
 		w->reparent( layoutBase, 0, TQPoint( 0, 0 ), FALSE );
 	    if ( rs * cs == 1 ) {
-		layout->addWidget( w, r, c, ::qt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 );
+		layout->addWidget( w, r, c, ::tqt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 );
 	    } else {
-		layout->addMultiCellWidget( w, r, r+rs-1, c, c+cs-1, ::qt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 );
+		layout->addMultiCellWidget( w, r, r+rs-1, c, c+cs-1, ::tqt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 );
 	    }
-	    if ( ::qt_cast<TQLayoutWidget*>(w) )
+	    if ( ::tqt_cast<TQLayoutWidget*>(w) )
 		( (TQLayoutWidget*)w )->updateSizePolicy();
 	    w->show();
 	} else {
diff --git a/tools/designer/designer/mainwindow.cpp b/tools/designer/designer/mainwindow.cpp
index 315cbb63..4ae7c7a5 100644
--- a/tools/designer/designer/mainwindow.cpp
+++ b/tools/designer/designer/mainwindow.cpp
@@ -911,7 +911,7 @@ void MainWindow::showProperties( TQObject *o )
     }
 
     if ( currentTool() == POINTER_TOOL && fw &&
-	 ( !qworkspace->activeWindow() || !::qt_cast<SourceEditor*>(qworkspace->activeWindow()) ) )
+	 ( !qworkspace->activeWindow() || !::tqt_cast<SourceEditor*>(qworkspace->activeWindow()) ) )
 	fw->setFocus();
 }
 
@@ -928,21 +928,21 @@ void MainWindow::updateProperties( TQObject * )
 
 bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 {
-    if ( ::qt_cast<MenuBarEditor*>(o) || ::qt_cast<PopupMenuEditor*>(o) ||
+    if ( ::tqt_cast<MenuBarEditor*>(o) || ::tqt_cast<PopupMenuEditor*>(o) ||
 	 ( o &&
-	   ( ::qt_cast<MenuBarEditor*>(o->parent()) ||
-	     ::qt_cast<PopupMenuEditor*>(o->parent()) ) ) ) {
+	   ( ::tqt_cast<MenuBarEditor*>(o->parent()) ||
+	     ::tqt_cast<PopupMenuEditor*>(o->parent()) ) ) ) {
 
-	if ( e->type() == TQEvent::Accel && ::qt_cast<PopupMenuEditor*>(o) ) {
+	if ( e->type() == TQEvent::Accel && ::tqt_cast<PopupMenuEditor*>(o) ) {
 	    return TRUE; // consume accel events
- 	} else if ( e->type() == TQEvent::MouseButtonPress && ::qt_cast<MenuBarEditor*>(o) ) {
+ 	} else if ( e->type() == TQEvent::MouseButtonPress && ::tqt_cast<MenuBarEditor*>(o) ) {
 	    TQPoint pos = ((TQMouseEvent*)e)->pos();
-	    MenuBarEditor *m = ::qt_cast<MenuBarEditor*>(o);
+	    MenuBarEditor *m = ::tqt_cast<MenuBarEditor*>(o);
 	    showProperties( o );
 	    if ( m->findItem( pos ) >= m->count() )
 		m->setFocus();
-	} else if ( e->type() == TQEvent::MouseButtonPress && ::qt_cast<PopupMenuEditor*>(o) ) {
-	    PopupMenuEditor *m = ::qt_cast<PopupMenuEditor*>(o);
+	} else if ( e->type() == TQEvent::MouseButtonPress && ::tqt_cast<PopupMenuEditor*>(o) ) {
+	    PopupMenuEditor *m = ::tqt_cast<PopupMenuEditor*>(o);
 	    PopupMenuEditorItem *i = m->at( ((TQMouseEvent*)e)->pos() );
 	    if ( m->find( i->action() ) != -1 && !i->isSeparator() )
 		showProperties( i->action() );
@@ -961,7 +961,7 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	     ( ( (TQKeyEvent*)e )->state() & ShiftButton ) != ShiftButton ) {
 	    w = (TQWidget*)o;
 	    while ( w ) {
-		if ( ::qt_cast<PropertyList*>(w) )
+		if ( ::tqt_cast<PropertyList*>(w) )
 		    break;
 		w = w->parentWidget( TRUE );
 	    }
@@ -977,7 +977,7 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	       ( (TQKeyEvent*)e )->key() == Key_E ) &&
 	     ( (TQKeyEvent*)e )->state() & ControlButton ) {
 	    if ( qWorkspace()->activeWindow() &&
-		 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+		 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 		( (TQKeyEvent*)e )->ignore();
 		return TRUE;
 	    }
@@ -986,44 +986,44 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
     case TQEvent::ContextMenu:
     case TQEvent::MouseButtonPress:
 	if ( o && currentTool() == POINTER_TOOL &&
-	     ( ::qt_cast<MenuBarEditor*>(o) ||
-	       ::qt_cast<PopupMenuEditor*>(o) ||
-	       ::qt_cast<TQDesignerToolBar*>(o) ||
-	       ( ::qt_cast<TQComboBox*>(o) ||
-		 ::qt_cast<TQToolButton*>(o) ||
-		 ::qt_cast<TQDesignerToolBarSeparator*>(o) ) &&
+	     ( ::tqt_cast<MenuBarEditor*>(o) ||
+	       ::tqt_cast<PopupMenuEditor*>(o) ||
+	       ::tqt_cast<TQDesignerToolBar*>(o) ||
+	       ( ::tqt_cast<TQComboBox*>(o) ||
+		 ::tqt_cast<TQToolButton*>(o) ||
+		 ::tqt_cast<TQDesignerToolBarSeparator*>(o) ) &&
 	       o->parent()
-	       && ( ::qt_cast<TQDesignerToolBar*>(o->parent())
-		   || ::qt_cast<TQDesignerWidgetStack*>(o->parent())) ) ) {
+	       && ( ::tqt_cast<TQDesignerToolBar*>(o->parent())
+		   || ::tqt_cast<TQDesignerWidgetStack*>(o->parent())) ) ) {
 	    TQWidget *w = (TQWidget*)o;
-	    if ( ::qt_cast<TQToolButton*>(w) ||
-		 ::qt_cast<TQComboBox*>(w) ||
-		 ::qt_cast<PopupMenuEditor*>(w) ||
-		 ::qt_cast<TQDesignerToolBarSeparator*>(w) )
+	    if ( ::tqt_cast<TQToolButton*>(w) ||
+		 ::tqt_cast<TQComboBox*>(w) ||
+		 ::tqt_cast<PopupMenuEditor*>(w) ||
+		 ::tqt_cast<TQDesignerToolBarSeparator*>(w) )
 		w = w->parentWidget();
 	    TQWidget *pw = w->parentWidget();
 	    while ( pw ) {
-		if ( ::qt_cast<FormWindow*>(pw) ) {
+		if ( ::tqt_cast<FormWindow*>(pw) ) {
 		    ( (FormWindow*)pw )->emitShowProperties( w );
-		    if ( !::qt_cast<TQDesignerToolBar*>(o) )
-			return ( !::qt_cast<TQToolButton*>(o) &&
-				 !::qt_cast<MenuBarEditor*>(o) &&
-				 !::qt_cast<TQComboBox*>(o) &&
-				 !::qt_cast<TQDesignerToolBarSeparator*>(o) );
+		    if ( !::tqt_cast<TQDesignerToolBar*>(o) )
+			return ( !::tqt_cast<TQToolButton*>(o) &&
+				 !::tqt_cast<MenuBarEditor*>(o) &&
+				 !::tqt_cast<TQComboBox*>(o) &&
+				 !::tqt_cast<TQDesignerToolBarSeparator*>(o) );
 		}
 		pw = pw->parentWidget();
 	    }
 	}
-	if ( o && ( ::qt_cast<TQDesignerToolBar*>(o) || o->inherits("TQDockWindowHandle") )
+	if ( o && ( ::tqt_cast<TQDesignerToolBar*>(o) || o->inherits("TQDockWindowHandle") )
 	     && e->type() == TQEvent::ContextMenu )
 	    break;
 	if ( isAToolBarChild( o ) && currentTool() != CONNECT_TOOL && currentTool() != BUDDY_TOOL )
 	    break;
-	if ( ::qt_cast<TQSizeGrip*>(o) )
+	if ( ::tqt_cast<TQSizeGrip*>(o) )
 	    break;
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	if ( !w->hasFocus() )
 	    w->setFocus();
@@ -1048,11 +1048,11 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	lastPressWidget = 0;
 	if ( isAToolBarChild( o )  && currentTool() != CONNECT_TOOL && currentTool() != BUDDY_TOOL )
 	    break;
-	if ( ::qt_cast<TQSizeGrip*>(o) )
+	if ( ::tqt_cast<TQSizeGrip*>(o) )
 	    break;
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	passiveInteractor = WidgetFactory::isPassiveInteractor( o );
 	if ( !passiveInteractor )
@@ -1068,15 +1068,15 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	    break;
 	w = isAFormWindowChild( o );
 	if ( lastPressWidget != (TQWidget*)o && w &&
-	     !::qt_cast<SizeHandle*>(o) && !::qt_cast<OrderIndicator*>(o) &&
-	     !::qt_cast<PopupMenuEditor*>(o) && !::qt_cast<TQMenuBar*>(o) &&
-	     !::qt_cast<TQSizeGrip*>(o) )
+	     !::tqt_cast<SizeHandle*>(o) && !::tqt_cast<OrderIndicator*>(o) &&
+	     !::tqt_cast<PopupMenuEditor*>(o) && !::tqt_cast<TQMenuBar*>(o) &&
+	     !::tqt_cast<TQSizeGrip*>(o) )
 	    return TRUE;
-	if ( o && ::qt_cast<TQSizeGrip*>(o) )
+	if ( o && ::tqt_cast<TQSizeGrip*>(o) )
 	    break;
 	if ( lastPressWidget != (TQWidget*)o ||
-	     ( !w || ::qt_cast<SizeHandle*>(o) ) ||
-	       ::qt_cast<OrderIndicator*>(o) )
+	     ( !w || ::tqt_cast<SizeHandle*>(o) ) ||
+	       ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	passiveInteractor = WidgetFactory::isPassiveInteractor( o );
 	if ( !passiveInteractor )
@@ -1089,14 +1089,14 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	    return FALSE;
 	}
 	if ( ( (TQKeyEvent*)e )->key() == Key_Escape && incrementalSearch->hasFocus() ) {
-	    if ( ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	    if ( ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 		qWorkspace()->activeWindow()->setFocus();
 		return TRUE;
 	    }
 	}
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	( (FormWindow*)w )->handleKeyPress( (TQKeyEvent*)e, ( (FormWindow*)w )->designerWidget( o ) );
 	if ( ((TQKeyEvent*)e)->isAccepted() )
@@ -1104,10 +1104,10 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	break;
     case TQEvent::MouseButtonDblClick:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) ) {
-	    if ( ::qt_cast<TQToolButton*>(o) && ((TQToolButton*)o)->isOn() &&
-		 o->parent() && ::qt_cast<TQToolBar*>(o->parent()) && formWindow() )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) ) {
+	    if ( ::tqt_cast<TQToolButton*>(o) && ((TQToolButton*)o)->isOn() &&
+		 o->parent() && ::tqt_cast<TQToolBar*>(o->parent()) && formWindow() )
 		formWindow()->setToolFixed();
 	    break;
 	}
@@ -1121,8 +1121,8 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	return TRUE;
     case TQEvent::KeyRelease:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	( (FormWindow*)w )->handleKeyRelease( (TQKeyEvent*)e, ( (FormWindow*)w )->designerWidget( o ) );
 	if ( ((TQKeyEvent*)e)->isAccepted() )
@@ -1130,8 +1130,8 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	break;
     case TQEvent::Hide:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	if ( ( (FormWindow*)w )->isWidgetSelected( (TQWidget*)o ) )
 	    ( (FormWindow*)w )->selectWidget( (TQWidget*)o, FALSE );
@@ -1139,16 +1139,16 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
     case TQEvent::Enter:
     case TQEvent::Leave:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) ||
-	     ::qt_cast<MenuBarEditor*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) ||
+	     ::tqt_cast<MenuBarEditor*>(o) )
 	    break;
 	return TRUE;
     case TQEvent::Resize:
     case TQEvent::Move:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	if ( WidgetFactory::layoutType( (TQWidget*)o->parent() ) != WidgetFactory::NoLayout ) {
 	    ( (FormWindow*)w )->updateSelection( (TQWidget*)o );
@@ -1194,33 +1194,33 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 	return TRUE;
     case TQEvent::Wheel:
 	if ( !( w = isAFormWindowChild( o ) ) ||
-	     ::qt_cast<SizeHandle*>(o) ||
-	     ::qt_cast<OrderIndicator*>(o) )
+	     ::tqt_cast<SizeHandle*>(o) ||
+	     ::tqt_cast<OrderIndicator*>(o) )
 	    break;
 	return TRUE;
     case TQEvent::FocusIn:
-	if ( !::qt_cast<FormWindow*>(o) && isAFormWindowChild( o ) )
+	if ( !::tqt_cast<FormWindow*>(o) && isAFormWindowChild( o ) )
 	    return TRUE; //FIXME
 	if ( hierarchyView->formDefinitionView()->isRenaming()
-	     && ( o->inherits( "Editor" ) || ::qt_cast<FormWindow*>(o) ) )
+	     && ( o->inherits( "Editor" ) || ::tqt_cast<FormWindow*>(o) ) )
 		TQApplication::sendPostedEvents();
 	if ( o->inherits( "Editor" ) ) {
 	    TQWidget *w = (TQWidget*)o;
 	    while ( w ) {
-		if ( ::qt_cast<SourceEditor*>(w) )
+		if ( ::tqt_cast<SourceEditor*>(w) )
 		    break;
 		w = w->parentWidget( TRUE );
 	    }
-	    if ( ::qt_cast<SourceEditor*>(w) )
+	    if ( ::tqt_cast<SourceEditor*>(w) )
 		( (SourceEditor*)w )->checkTimeStamp();
-	} else if ( ::qt_cast<FormWindow*>(o) ) {
+	} else if ( ::tqt_cast<FormWindow*>(o) ) {
 	    FormWindow *fw = (FormWindow*)o;
 	    if ( fw->formFile() && fw->formFile()->editor() )
 		fw->formFile()->editor()->checkTimeStamp();
 	}
 	break;
     case TQEvent::FocusOut:
-	if ( !::qt_cast<FormWindow*>(o) && isAFormWindowChild( o ) )
+	if ( !::tqt_cast<FormWindow*>(o) && isAFormWindowChild( o ) )
 	    return TRUE;
 	break;
     default:
@@ -1232,10 +1232,10 @@ bool MainWindow::eventFilter( TQObject *o, TQEvent *e )
 
 TQWidget *MainWindow::isAFormWindowChild( TQObject *o ) const
 {
-    if ( ::qt_cast<TQWizard*>(o->parent()) && !::qt_cast<TQPushButton*>(o) )
+    if ( ::tqt_cast<TQWizard*>(o->parent()) && !::tqt_cast<TQPushButton*>(o) )
 	return 0;
     while ( o ) {
-	if ( ::qt_cast<FormWindow*>(o) )
+	if ( ::tqt_cast<FormWindow*>(o) )
 	    return (TQWidget*)o;
 	o = o->parent();
     }
@@ -1245,9 +1245,9 @@ TQWidget *MainWindow::isAFormWindowChild( TQObject *o ) const
 TQWidget *MainWindow::isAToolBarChild( TQObject *o ) const
 {
     while ( o ) {
-	if ( ::qt_cast<TQDesignerToolBar*>(o) )
+	if ( ::tqt_cast<TQDesignerToolBar*>(o) )
 	    return (TQWidget*)o;
-	if ( ::qt_cast<FormWindow*>(o) )
+	if ( ::tqt_cast<FormWindow*>(o) )
 	    return 0;
 	o = o->parent();
     }
@@ -1258,7 +1258,7 @@ FormWindow *MainWindow::formWindow()
 {
     if ( qworkspace->activeWindow() ) {
 	FormWindow *fw = 0;
-	if ( ::qt_cast<FormWindow*>(qworkspace->activeWindow()) )
+	if ( ::tqt_cast<FormWindow*>(qworkspace->activeWindow()) )
 	    fw = (FormWindow*)qworkspace->activeWindow();
 	else if ( lastActiveFormWindow &&
 		    qworkspace->windowList().find( lastActiveFormWindow ) != -1)
@@ -1370,7 +1370,7 @@ bool MainWindow::unregisterClient( FormWindow *w )
 void MainWindow::activeWindowChanged( TQWidget *w )
 {
     TQWidget *old = formWindow();
-    if ( ::qt_cast<FormWindow*>(w) ) {
+    if ( ::tqt_cast<FormWindow*>(w) ) {
 	FormWindow *fw = (FormWindow*)w;
 	FormWindow *ofw = lastActiveFormWindow;
 	lastActiveFormWindow = fw;
@@ -1384,13 +1384,13 @@ void MainWindow::activeWindowChanged( TQWidget *w )
 	}
 	workspace()->activeFormChanged( fw );
 	setAppropriate( (TQDockWindow*)actionEditor->parentWidget(),
-			::qt_cast<TQMainWindow*>(lastActiveFormWindow->mainContainer()) );
+			::tqt_cast<TQMainWindow*>(lastActiveFormWindow->mainContainer()) );
 	if ( appropriate( (TQDockWindow*)actionEditor->parentWidget() ) ) {
 	    if ( actionEditor->wantToBeShown() )
 		actionEditor->parentWidget()->show();
 	} else {
 	    TQWidget *mc = 0;
-	    if ( ofw && (mc = ofw->mainContainer()) && ::qt_cast<TQMainWindow*>(mc) )
+	    if ( ofw && (mc = ofw->mainContainer()) && ::tqt_cast<TQMainWindow*>(mc) )
 		actionEditor->setWantToBeShown( !actionEditor->parentWidget()->isHidden() );
 	    actionEditor->parentWidget()->hide();
 	}
@@ -1425,7 +1425,7 @@ void MainWindow::activeWindowChanged( TQWidget *w )
 
     selectionChanged();
 
-    if ( ::qt_cast<SourceEditor*>(w) ) {
+    if ( ::tqt_cast<SourceEditor*>(w) ) {
 	SourceEditor *se = (SourceEditor*)w;
 	TQGuardedPtr<FormWindow> fw = se->formWindow();
 	if ( se->formWindow() &&
@@ -1480,7 +1480,7 @@ void MainWindow::updateUndoRedo( bool undoAvailable, bool redoAvailable,
 				 const TQString &undoCmd, const TQString &redoCmd )
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return; // do not set a formWindow related command
     actionEditUndo->setEnabled( undoAvailable );
     actionEditRedo->setEnabled( redoAvailable );
@@ -1505,7 +1505,7 @@ void MainWindow::updateUndoRedo( bool undoAvailable, bool redoAvailable,
 void MainWindow::updateEditorUndoRedo()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	return;
     SourceEditor *editor = (SourceEditor*)qWorkspace()->activeWindow();
     actionEditUndo->setEnabled( editor->editIsUndoAvailable() );
@@ -1581,7 +1581,7 @@ void MainWindow::setupRMBProperties( TQValueList<uint> &ids, TQMap<TQString, int
 	    ids << ( id = rmbWidgets->insertItem( tr("Choose Pixmap..."), -1, 0) );
 	    props.insert( "pixmap", id );
 	}
-	if ( text && text->designable(w) && !::qt_cast<TQTextEdit*>(w) ) {
+	if ( text && text->designable(w) && !::tqt_cast<TQTextEdit*>(w) ) {
 	    ids << ( id = rmbWidgets->insertItem( tr("Edit Text..."), -1, 0) );
 	    props.insert( "text", id );
 	}
@@ -1617,7 +1617,7 @@ void MainWindow::setupRMBSpecialCommands( TQValueList<uint> &ids,
 {
     int id;
 
-    if ( ::qt_cast<TQTabWidget*>(w) ) {
+    if ( ::tqt_cast<TQTabWidget*>(w) ) {
 	if ( ids.isEmpty() )
 	    ids << rmbWidgets->insertSeparator( 0 );
 	if ( ( (TQDesignerTabWidget*)w )->count() > 1) {
@@ -1626,7 +1626,7 @@ void MainWindow::setupRMBSpecialCommands( TQValueList<uint> &ids,
 	}
 	ids << ( id = rmbWidgets->insertItem( tr("Add Page"), -1, 0 ) );
 	commands.insert( "add", id );
-    } else if ( ::qt_cast<TQDesignerWidgetStack*>(w) ) {
+    } else if ( ::tqt_cast<TQDesignerWidgetStack*>(w) ) {
 	if ( ids.isEmpty() )
 	    ids << rmbWidgets->insertSeparator( 0 );
 	if ( ( (TQDesignerWidgetStack*)w )->count() > 1) {
@@ -1640,7 +1640,7 @@ void MainWindow::setupRMBSpecialCommands( TQValueList<uint> &ids,
 	}
 	ids << ( id = rmbWidgets->insertItem( tr("Add Page"), -1, 0 ) );
 	commands.insert( "add", id );
-    } else if ( ::qt_cast<TQToolBox*>(w) ) {
+    } else if ( ::tqt_cast<TQToolBox*>(w) ) {
 	if ( ids.isEmpty() )
 	    ids << rmbWidgets->insertSeparator( 0 );
 	if ( ( (TQToolBox*)w )->count() > 1 ) {
@@ -1688,7 +1688,7 @@ void MainWindow::setupRMBSpecialCommands( TQValueList<uint> &ids,
 {
     int id;
 
-    if ( ::qt_cast<TQWizard*>(fw->mainContainer()) ) {
+    if ( ::tqt_cast<TQWizard*>(fw->mainContainer()) ) {
 	if ( ids.isEmpty() )
 	    ids << rmbFormWindow->insertSeparator( 0 );
 
@@ -1706,7 +1706,7 @@ void MainWindow::setupRMBSpecialCommands( TQValueList<uint> &ids,
 	ids << ( id = rmbFormWindow->insertItem( tr("Edit Pages..."), -1, 0 ) );
 	commands.insert( "edit", id );
 
-    } else if ( ::qt_cast<TQMainWindow*>(fw->mainContainer()) ) {
+    } else if ( ::tqt_cast<TQMainWindow*>(fw->mainContainer()) ) {
 	if ( ids.isEmpty() )
 	    ids << rmbFormWindow->insertSeparator( 0 );
 	ids << ( id = rmbFormWindow->insertItem( tr( "Add Menu Item" ), -1, 0 ) );
@@ -1721,7 +1721,7 @@ void MainWindow::handleRMBProperties( int id, TQMap<TQString, int> &props, TQWid
     if ( id == props[ "text" ] ) {
 	bool ok = FALSE;
 	bool oldDoWrap = FALSE;
-	if ( ::qt_cast<TQLabel*>(w) ) {
+	if ( ::tqt_cast<TQLabel*>(w) ) {
 	    int align = w->property( "alignment" ).toInt();
 	    if ( align & WordBreak )
 		oldDoWrap = TRUE;
@@ -1729,8 +1729,8 @@ void MainWindow::handleRMBProperties( int id, TQMap<TQString, int> &props, TQWid
 	bool doWrap = oldDoWrap;
 
 	TQString text;
-	if ( ::qt_cast<TQTextView*>(w) || ::qt_cast<TQLabel*>(w) || ::qt_cast<TQButton*>(w) ) {
-	    text = MultiLineEditor::getText( this, w->property( "text" ).toString(), !::qt_cast<TQButton*>(w), &doWrap );
+	if ( ::tqt_cast<TQTextView*>(w) || ::tqt_cast<TQLabel*>(w) || ::tqt_cast<TQButton*>(w) ) {
+	    text = MultiLineEditor::getText( this, w->property( "text" ).toString(), !::tqt_cast<TQButton*>(w), &doWrap );
 	    ok = !text.isNull();
 	} else {
 	    text = TQInputDialog::getText( tr("Text"), tr( "New text" ),
@@ -1799,7 +1799,7 @@ void MainWindow::handleRMBProperties( int id, TQMap<TQString, int> &props, TQWid
 
 void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &commands, TQWidget *w )
 {
-    if ( ::qt_cast<TQTabWidget*>(w) ) {
+    if ( ::tqt_cast<TQTabWidget*>(w) ) {
 	TQTabWidget *tw = (TQTabWidget*)w;
 	if ( id == commands[ "add" ] ) {
 	    AddTabPageCommand *cmd =
@@ -1818,7 +1818,7 @@ void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &command
 		cmd->execute();
 	    }
 	}
-    } else if ( ::qt_cast<TQToolBox*>(w) ) {
+    } else if ( ::tqt_cast<TQToolBox*>(w) ) {
 	TQToolBox *tb = (TQToolBox*)w;
 	if ( id == commands[ "add" ] ) {
 	    AddToolBoxPageCommand *cmd =
@@ -1838,7 +1838,7 @@ void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &command
 		cmd->execute();
 	    }
 	}
-    } else if ( ::qt_cast<TQWidgetStack*>(w) ) {
+    } else if ( ::tqt_cast<TQWidgetStack*>(w) ) {
 	TQDesignerWidgetStack *ws = (TQDesignerWidgetStack*)w;
 	if ( id == commands[ "add" ] ) {
 	    AddWidgetStackPageCommand *cmd =
@@ -1939,7 +1939,7 @@ void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &command
 
 void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &commands, FormWindow *fw )
 {
-    if ( ::qt_cast<TQWizard*>(fw->mainContainer()) ) {
+    if ( ::tqt_cast<TQWizard*>(fw->mainContainer()) ) {
 	TQWizard *wiz = (TQWizard*)fw->mainContainer();
 	if ( id == commands[ "add" ] ) {
 	    AddWizardPageCommand *cmd =
@@ -1977,7 +1977,7 @@ void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &command
 		cmd->execute();
 	    }
 	}
-    } else if ( ::qt_cast<TQMainWindow*>(fw->mainContainer()) ) {
+    } else if ( ::tqt_cast<TQMainWindow*>(fw->mainContainer()) ) {
 	TQMainWindow *mw = (TQMainWindow*)fw->mainContainer();
 	if ( id == commands[ "add_toolbar" ] ) {
 	    AddToolBarCommand *cmd =
@@ -1998,7 +1998,7 @@ void MainWindow::handleRMBSpecialCommands( int id, TQMap<TQString, int> &command
 void MainWindow::clipboardChanged()
 {
     TQString text( tqApp->clipboard()->text() );
-    if (qWorkspace()->activeWindow() && ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow())) {
+    if (qWorkspace()->activeWindow() && ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow())) {
         actionEditPaste->setEnabled(!text.isEmpty());
     } else {
         TQString start( "<!DOCTYPE UI-SELECTION>" );
@@ -2494,7 +2494,7 @@ void MainWindow::closeEvent( TQCloseEvent *e )
     while ( wit.current() ) {
 	TQWidget *w = wit.current();
 	++wit;
-	if ( ::qt_cast<FormWindow*>(w) ) {
+	if ( ::tqt_cast<FormWindow*>(w) ) {
 	    if ( ( (FormWindow*)w )->formFile()->editor() )
 		windows.removeRef( ( (FormWindow*)w )->formFile()->editor() );
 	    if ( ( (FormWindow*)w )->formFile()->formWindow() )
@@ -2503,7 +2503,7 @@ void MainWindow::closeEvent( TQCloseEvent *e )
 		e->ignore();
 		return;
 	    }
-	} else if ( ::qt_cast<SourceEditor*>(w) ) {
+	} else if ( ::tqt_cast<SourceEditor*>(w) ) {
 	    if ( !( (SourceEditor*)w )->close() ) {
 		e->ignore();
 		return;
@@ -2627,7 +2627,7 @@ bool MainWindow::openEditor( TQWidget *w, FormWindow *f )
     if ( text && text->designable(w) ) {
 	bool ok = FALSE;
 	bool oldDoWrap = FALSE;
-	if ( ::qt_cast<TQLabel*>(w) ) {
+	if ( ::tqt_cast<TQLabel*>(w) ) {
 	    int align = w->property( "alignment" ).toInt();
 	    if ( align & WordBreak )
 		oldDoWrap = TRUE;
@@ -2635,9 +2635,9 @@ bool MainWindow::openEditor( TQWidget *w, FormWindow *f )
 	bool doWrap = oldDoWrap;
 
 	TQString text;
-	if ( ::qt_cast<TQTextEdit*>(w) || ::qt_cast<TQLabel*>(w) || ::qt_cast<TQButton*>(w) ) {
+	if ( ::tqt_cast<TQTextEdit*>(w) || ::tqt_cast<TQLabel*>(w) || ::tqt_cast<TQButton*>(w) ) {
 	    text = MultiLineEditor::getText( this, w->property( "text" ).toString(),
-					     !::qt_cast<TQButton*>(w), &doWrap );
+					     !::tqt_cast<TQButton*>(w), &doWrap );
 	    ok = !text.isNull();
 	} else {
 	    text = TQInputDialog::getText( tr("Text"), tr( "New text" ),
@@ -2751,7 +2751,7 @@ bool MainWindow::isCustomWidgetUsed( MetaDataBase::CustomWidget *wid )
 {
     TQWidgetList windows = qWorkspace()->windowList();
     for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-	if ( ::qt_cast<FormWindow*>(w) ) {
+	if ( ::tqt_cast<FormWindow*>(w) ) {
 	    if ( ( (FormWindow*)w )->isCustomWidgetUsed( wid ) )
 		return TRUE;
 	}
@@ -2766,7 +2766,7 @@ void MainWindow::setGrid( const TQPoint &p )
     grd = p;
     TQWidgetList windows = qWorkspace()->windowList();
     for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-	if ( !::qt_cast<FormWindow*>(w) )
+	if ( !::tqt_cast<FormWindow*>(w) )
 	    continue;
 	( (FormWindow*)w )->mainContainer()->update();
     }
@@ -2779,7 +2779,7 @@ void MainWindow::setShowGrid( bool b )
     sGrid = b;
     TQWidgetList windows = qWorkspace()->windowList();
     for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-	if ( !::qt_cast<FormWindow*>(w) )
+	if ( !::tqt_cast<FormWindow*>(w) )
 	    continue;
 	( (FormWindow*)w )->mainContainer()->update();
     }
@@ -2865,48 +2865,48 @@ void MainWindow::showDialogHelp()
 
     TQString link = documentationPath() + "/designer-manual-13.html#";
 
-    if ( ::qt_cast<NewFormBase*>(w) || ::qt_cast<StartDialogBase*>(w) ) // own doc for startdialog?
+    if ( ::tqt_cast<NewFormBase*>(w) || ::tqt_cast<StartDialogBase*>(w) ) // own doc for startdialog?
 	link += "dialog-file-new";
-    else if ( ::qt_cast<CreateTemplate*>(w) )
+    else if ( ::tqt_cast<CreateTemplate*>(w) )
 	link += "dialog-file-create-template";
-    else if ( ::qt_cast<EditFunctionsBase*>(w) )
+    else if ( ::tqt_cast<EditFunctionsBase*>(w) )
 	link += "dialog-edit-functions";
-//     else if ( ::qt_cast<ConnectionViewerBase*>(w) )
+//     else if ( ::tqt_cast<ConnectionViewerBase*>(w) )
     else if ( w->inherits("ConnectionViewerBase") )
  	link += "dialog-view-connections";
-    else if ( ::qt_cast<FormSettingsBase*>(w) )
+    else if ( ::tqt_cast<FormSettingsBase*>(w) )
 	link += "dialog-edit-form-settings";
-    else if ( ::qt_cast<Preferences*>(w) )
+    else if ( ::tqt_cast<Preferences*>(w) )
 	link += "dialog-edit-preferences";
-    else if ( ::qt_cast<PixmapCollectionEditor*>(w) )
+    else if ( ::tqt_cast<PixmapCollectionEditor*>(w) )
 	link += "dialog-image-collection";
-//    else if ( ::qt_cast<DatabaseConnectionBase*>(w) )
+//    else if ( ::tqt_cast<DatabaseConnectionBase*>(w) )
     else if ( w->inherits( "DatabaseConnectionBase" ) )
 	link += "dialog-edit-database-connections";
-    else if ( ::qt_cast<ProjectSettingsBase*>(w) )
+    else if ( ::tqt_cast<ProjectSettingsBase*>(w) )
 	link += "dialog-project-settings";
-    else if ( ::qt_cast<FindDialog*>(w) )
+    else if ( ::tqt_cast<FindDialog*>(w) )
 	link += "dialog-find-text";
-    else if ( ::qt_cast<ReplaceDialog*>(w) )
+    else if ( ::tqt_cast<ReplaceDialog*>(w) )
 	link += "dialog-replace-text";
-    else if ( ::qt_cast<GotoLineDialog*>(w) )
+    else if ( ::tqt_cast<GotoLineDialog*>(w) )
 	link += "dialog-go-to-line";
-//    else if ( ::qt_cast<ConnectionEditorBase*>(w) )
+//    else if ( ::tqt_cast<ConnectionEditorBase*>(w) )
     else if ( w->inherits("ConnectionEditorBase") )
 	link += "dialog-edit-connections";
-    else if ( ::qt_cast<CustomWidgetEditorBase*>(w) )
+    else if ( ::tqt_cast<CustomWidgetEditorBase*>(w) )
 	link += "dialog-edit-custom-widgets";
-    else if ( ::qt_cast<PaletteEditorBase*>(w) )
+    else if ( ::tqt_cast<PaletteEditorBase*>(w) )
 	link += "dialog-edit-palette";
-    else if ( ::qt_cast<ListBoxEditorBase*>(w) )
+    else if ( ::tqt_cast<ListBoxEditorBase*>(w) )
 	link += "dialog-edit-listbox";
-    else if ( ::qt_cast<ListViewEditorBase*>(w) )
+    else if ( ::tqt_cast<ListViewEditorBase*>(w) )
 	link += "dialog-edit-listview";
-    else if ( ::qt_cast<IconViewEditorBase*>(w) )
+    else if ( ::tqt_cast<IconViewEditorBase*>(w) )
 	link += "dialog-edit-iconview";
-    else if ( ::qt_cast<TableEditorBase*>(w) )
+    else if ( ::tqt_cast<TableEditorBase*>(w) )
 	link += "dialog-edit-table";
-    else if ( ::qt_cast<MultiLineEditor*>(w) )
+    else if ( ::tqt_cast<MultiLineEditor*>(w) )
 	link += "dialog-text";
 
     else {
@@ -3194,10 +3194,10 @@ void MainWindow::setModified( bool b, TQWidget *window )
 {
     TQWidget *w = window;
     while ( w ) {
-	if ( ::qt_cast<FormWindow*>(w) ) {
+	if ( ::tqt_cast<FormWindow*>(w) ) {
 	    ( (FormWindow*)w )->modificationChanged( b );
 	    return;
-	} else if ( ::qt_cast<SourceEditor*>(w) ) {
+	} else if ( ::tqt_cast<SourceEditor*>(w) ) {
 	    FormWindow *fw = ( (SourceEditor*)w )->formWindow();
 	    if ( fw && !fw->isFake() ) {
 		//fw->commandHistory()->setModified( b );
@@ -3232,7 +3232,7 @@ void MainWindow::doFunctionsChanged()
 
 void MainWindow::updateFunctionList()
 {
-    if ( !qWorkspace()->activeWindow() || !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+    if ( !qWorkspace()->activeWindow() || !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	return;
     SourceEditor *se = (SourceEditor*)qWorkspace()->activeWindow();
     se->save();
@@ -3321,9 +3321,9 @@ void MainWindow::showSourceLine( TQObject *o, int line, LineMode lm )
 	FormWindow *fw = 0;
 	SourceEditor *se = 0;
 	SourceFile *sf = 0;
-	if ( ::qt_cast<FormWindow*>(w) ) {
+	if ( ::tqt_cast<FormWindow*>(w) ) {
 	    fw = (FormWindow*)w;
-	} else if ( ::qt_cast<SourceEditor*>(w) ) {
+	} else if ( ::tqt_cast<SourceEditor*>(w) ) {
 	    se = (SourceEditor*)w;
 	    if ( !se->object() )
 		continue;
@@ -3391,7 +3391,7 @@ void MainWindow::showSourceLine( TQObject *o, int line, LineMode lm )
 	}
     }
 
-    if ( ::qt_cast<SourceFile*>(o) ) {
+    if ( ::tqt_cast<SourceFile*>(o) ) {
 	for ( TQPtrListIterator<SourceFile> sources = currentProject->sourceFiles();
 	      sources.current(); ++sources ) {
 	    SourceFile* f = sources.current();
@@ -3453,12 +3453,12 @@ TQObject *MainWindow::findRealObject( TQObject *o )
 {
     TQWidgetList windows = qWorkspace()->windowList();
     for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-	if ( ::qt_cast<FormWindow*>(w) && TQString( w->name() ) == TQString( o->name() ) )
+	if ( ::tqt_cast<FormWindow*>(w) && TQString( w->name() ) == TQString( o->name() ) )
 	    return w;
-	else if ( ::qt_cast<SourceEditor*>(w) && ( (SourceEditor*)w )->formWindow() &&
+	else if ( ::tqt_cast<SourceEditor*>(w) && ( (SourceEditor*)w )->formWindow() &&
 		  TQString( ( (SourceEditor*)w )->formWindow()->name() ) == TQString( o->name() ) )
 	    return w;
-	else if ( ::qt_cast<SourceFile*>(w) && ( (SourceEditor*)w )->sourceFile() &&
+	else if ( ::tqt_cast<SourceFile*>(w) && ( (SourceEditor*)w )->sourceFile() &&
 		  ( (SourceEditor*)w )->sourceFile() == o )
 	    return o;
     }
@@ -3479,7 +3479,7 @@ void MainWindow::breakPointsChanged()
 {
     if ( !inDebugMode )
 	return;
-    if ( !qWorkspace()->activeWindow() || !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+    if ( !qWorkspace()->activeWindow() || !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	return;
     SourceEditor *e = (SourceEditor*)qWorkspace()->activeWindow();
     if ( !e->object() || !e->project() )
@@ -3646,13 +3646,13 @@ void MainWindow::setSingleProject( Project *pro )
 	while ( wit.current() ) {
 	    TQWidget *w = wit.current();
 	    ++wit;
-	    if ( ::qt_cast<FormWindow*>(w) ) {
+	    if ( ::tqt_cast<FormWindow*>(w) ) {
 		if ( ( (FormWindow*)w )->project() == pro ) {
 		    if ( ( (FormWindow*)w )->formFile()->editor() )
 			windows.removeRef( ( (FormWindow*)w )->formFile()->editor() );
 		    ( (FormWindow*)w )->formFile()->close();
 		}
-	    } else if ( ::qt_cast<SourceEditor*>(w) ) {
+	    } else if ( ::tqt_cast<SourceEditor*>(w) ) {
 		( (SourceEditor*)w )->close();
 	    }
 	}
diff --git a/tools/designer/designer/mainwindowactions.cpp b/tools/designer/designer/mainwindowactions.cpp
index 69708a37..7228e29f 100644
--- a/tools/designer/designer/mainwindowactions.cpp
+++ b/tools/designer/designer/mainwindowactions.cpp
@@ -952,15 +952,15 @@ void MainWindow::setupWindowActions()
     int j = 0;
     for ( int i = 0; i < int( windows.count() ); ++i ) {
 	TQWidget *w = windows.at( i );
-	if ( !::qt_cast<FormWindow*>(w) && !::qt_cast<SourceEditor*>(w) )
+	if ( !::tqt_cast<FormWindow*>(w) && !::tqt_cast<SourceEditor*>(w) )
 	    continue;
-	if ( ::qt_cast<FormWindow*>(w) && ( ( (FormWindow*)w )->isFake() ) )
+	if ( ::tqt_cast<FormWindow*>(w) && ( ( (FormWindow*)w )->isFake() ) )
 	    continue;
 	j++;
 	TQString itemText;
 	if ( j < 10 )
 	    itemText = TQString("&%1 ").arg( j );
-	if ( ::qt_cast<FormWindow*>(w) )
+	if ( ::tqt_cast<FormWindow*>(w) )
 	    itemText += w->name();
 	else
 	    itemText += w->caption();
@@ -1092,9 +1092,9 @@ void MainWindow::fileClose()
     } else {
 	TQWidget *w = qworkspace->activeWindow();
 	if ( w ) {
-	    if ( ::qt_cast<FormWindow*>(w) )
+	    if ( ::tqt_cast<FormWindow*>(w) )
 		( (FormWindow*)w )->formFile()->close();
-	    else if ( ::qt_cast<SourceEditor*>(w) )
+	    else if ( ::tqt_cast<SourceEditor*>(w) )
 		( (SourceEditor*)w )->close();
 	}
     }
@@ -1139,14 +1139,14 @@ void MainWindow::fileCloseProject()
 	while ( wit.current() ) {
 	    TQWidget *w = wit.current();
 	    ++wit;
-	    if ( ::qt_cast<FormWindow*>(w) ) {
+	    if ( ::tqt_cast<FormWindow*>(w) ) {
 		if ( ( (FormWindow*)w )->project() == pro ) {
 		    if ( ( (FormWindow*)w )->formFile()->editor() )
 			windows.removeRef( ( (FormWindow*)w )->formFile()->editor() );
 		    if ( !( (FormWindow*)w )->formFile()->close() )
 			return;
 		}
-	    } else if ( ::qt_cast<SourceEditor*>(w) ) {
+	    } else if ( ::tqt_cast<SourceEditor*>(w) ) {
 		if ( !( (SourceEditor*)w )->close() )
 		    return;
 	    }
@@ -1164,7 +1164,7 @@ void MainWindow::fileCloseProject()
 	}
 	if ( !windows.isEmpty() ) {
 	    for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-		if (!::qt_cast<FormWindow*>(w) || w->isHidden())
+		if (!::tqt_cast<FormWindow*>(w) || w->isHidden())
 		    continue;
 		w->setFocus();
 		activeWindowChanged( w );
@@ -1361,7 +1361,7 @@ bool MainWindow::fileSaveForm()
 
     TQWidget *w = qWorkspace()->activeWindow();
     if ( w ) {
-	if ( ::qt_cast<SourceEditor*>(w) ) {
+	if ( ::tqt_cast<SourceEditor*>(w) ) {
 	    SourceEditor *se = (SourceEditor*)w;
 	    if ( se->formWindow() )
 		fw = se->formWindow();
@@ -1394,9 +1394,9 @@ bool MainWindow::fileSaveAs()
     TQWidget *w = qworkspace->activeWindow();
     if ( !w )
 	return TRUE;
-    if ( ::qt_cast<FormWindow*>(w) )
+    if ( ::tqt_cast<FormWindow*>(w) )
 	return ( (FormWindow*)w )->formFile()->saveAs();
-    else if ( ::qt_cast<SourceEditor*>(w) )
+    else if ( ::tqt_cast<SourceEditor*>(w) )
 	return ( (SourceEditor*)w )->saveAs();
     return FALSE;
 }
@@ -1493,7 +1493,7 @@ void MainWindow::createNewTemplate()
 void MainWindow::editUndo()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editUndo();
 	return;
     }
@@ -1504,7 +1504,7 @@ void MainWindow::editUndo()
 void MainWindow::editRedo()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editRedo();
 	return;
     }
@@ -1515,7 +1515,7 @@ void MainWindow::editRedo()
 void MainWindow::editCut()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editCut();
 	return;
     }
@@ -1526,7 +1526,7 @@ void MainWindow::editCut()
 void MainWindow::editCopy()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editCopy();
 	return;
     }
@@ -1537,7 +1537,7 @@ void MainWindow::editCopy()
 void MainWindow::editPaste()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editPaste();
 	return;
     }
@@ -1576,7 +1576,7 @@ void MainWindow::editDelete()
 void MainWindow::editSelectAll()
 {
     if ( qWorkspace()->activeWindow() &&
-	 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
+	 ::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
 	( (SourceEditor*)qWorkspace()->activeWindow() )->editSelectAll();
 	return;
     }
@@ -1955,7 +1955,7 @@ void MainWindow::editPreferences()
 void MainWindow::searchFind()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return;
 
     if ( !findDialog )
@@ -1977,7 +1977,7 @@ void MainWindow::searchIncremetalFindMenu()
 void MainWindow::searchIncremetalFind()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return;
 
     ( (SourceEditor*)qWorkspace()->activeWindow() )->editorInterface()->find( incrementalSearch->text(),
@@ -1987,7 +1987,7 @@ void MainWindow::searchIncremetalFind()
 void MainWindow::searchIncremetalFindNext()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return;
 
     ( (SourceEditor*)qWorkspace()->activeWindow() )->editorInterface()->find( incrementalSearch->text(),
@@ -1997,7 +1997,7 @@ void MainWindow::searchIncremetalFindNext()
 void MainWindow::searchReplace()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return;
 
     if ( !replaceDialog )
@@ -2013,7 +2013,7 @@ void MainWindow::searchReplace()
 void MainWindow::searchGotoLine()
 {
     if ( !qWorkspace()->activeWindow() ||
-	 !::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
+	 !::tqt_cast<SourceEditor*>(qWorkspace()->activeWindow()) )
 	 return;
 
     if ( !gotoLineDialog )
diff --git a/tools/designer/designer/menubareditor.cpp b/tools/designer/designer/menubareditor.cpp
index 2667519f..84e75034 100644
--- a/tools/designer/designer/menubareditor.cpp
+++ b/tools/designer/designer/menubareditor.cpp
@@ -823,7 +823,7 @@ void MenuBarEditor::keyPressEvent( TQKeyEvent * e )
 void MenuBarEditor::focusOutEvent( TQFocusEvent * e )
 {
     TQWidget * fw = tqApp->focusWidget();
-    if ( e->lostFocus() && !::qt_cast<PopupMenuEditor*>(fw) )
+    if ( e->lostFocus() && !::tqt_cast<PopupMenuEditor*>(fw) )
 	hideItem();
     update();
 }
diff --git a/tools/designer/designer/metadatabase.cpp b/tools/designer/designer/metadatabase.cpp
index e28d77f3..81be8ccf 100644
--- a/tools/designer/designer/metadatabase.cpp
+++ b/tools/designer/designer/metadatabase.cpp
@@ -322,7 +322,7 @@ int MetaDataBase::spacing( TQObject *o )
     if ( !o )
 	return -1;
     setupDataBase();
-    if ( ::qt_cast<TQMainWindow*>(o) )
+    if ( ::tqt_cast<TQMainWindow*>(o) )
 	o = ( (TQMainWindow*)o )->centralWidget();
     MetaDataBaseRecord *r = db->find( (void*)o );
     if ( !r || !o->isWidgetType() ) {
@@ -353,9 +353,9 @@ void MetaDataBase::setMargin( TQObject *o, int margin )
     bool isInnerLayout = TRUE;
 
     TQWidget *widget = (TQWidget*)o;
-    if ( widget && !::qt_cast<TQLayoutWidget*>(widget) &&
+    if ( widget && !::tqt_cast<TQLayoutWidget*>(widget) &&
 	( WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( widget ) ) ) ||
-	widget && widget->parentWidget() && ::qt_cast<FormWindow*>(widget->parentWidget()) ) )
+	widget && widget->parentWidget() && ::tqt_cast<FormWindow*>(widget->parentWidget()) ) )
 	isInnerLayout = FALSE;
 
 
@@ -379,7 +379,7 @@ int MetaDataBase::margin( TQObject *o )
     if ( !o )
 	return -1;
     setupDataBase();
-    if ( ::qt_cast<TQMainWindow*>(o) )
+    if ( ::tqt_cast<TQMainWindow*>(o) )
 	o = ( (TQMainWindow*)o )->centralWidget();
     MetaDataBaseRecord *r = db->find( (void*)o );
     if ( !r || !o->isWidgetType() ) {
@@ -410,7 +410,7 @@ TQString MetaDataBase::resizeMode( TQObject *o )
     if ( !o )
 	return TQString::null;
     setupDataBase();
-    if ( ::qt_cast<TQMainWindow*>(o) )
+    if ( ::tqt_cast<TQMainWindow*>(o) )
 	o = ( (TQMainWindow*)o )->centralWidget();
     MetaDataBaseRecord *r = db->find( (void*)o );
     if ( !r || !o->isWidgetType() ) {
@@ -441,15 +441,15 @@ void MetaDataBase::addConnection( TQObject *o, TQObject *sender, const TQCString
     r->connections.append( conn );
     if ( addCode ) {
 	TQString rec = receiver->name();
-	if ( ::qt_cast<FormWindow*>(o) && receiver == ( (FormWindow*)o )->mainContainer() )
+	if ( ::tqt_cast<FormWindow*>(o) && receiver == ( (FormWindow*)o )->mainContainer() )
 	    rec = "this";
 	TQString sen = sender->name();
-	if ( ::qt_cast<FormWindow*>(o) && sender == ( (FormWindow*)o )->mainContainer() )
+	if ( ::tqt_cast<FormWindow*>(o) && sender == ( (FormWindow*)o )->mainContainer() )
 	    sen = "this";
 	FormFile *ff = 0;
-	if ( ::qt_cast<FormFile*>(o) )
+	if ( ::tqt_cast<FormFile*>(o) )
 	    ff = (FormFile*)o;
-	else if ( ::qt_cast<FormWindow*>(o) )
+	else if ( ::tqt_cast<FormWindow*>(o) )
 	    ff = ( (FormWindow*)o )->formFile();
 	ff->addConnection( sen, signal, rec, slot );
     }
@@ -477,7 +477,7 @@ void MetaDataBase::removeConnection( TQObject *o, TQObject *sender, const TQCStr
 	    break;
 	}
     }
-    if ( ::qt_cast<FormWindow*>(o) ) {
+    if ( ::tqt_cast<FormWindow*>(o) ) {
 	TQString rec = receiver->name();
 	if ( receiver == ( (FormWindow*)o )->mainContainer() )
 	    rec = "this";
@@ -495,7 +495,7 @@ void MetaDataBase::setupConnections( TQObject *o, const TQValueList<LanguageInte
 	return;
     }
 
-    if ( !::qt_cast<FormFile*>(o) )
+    if ( !::tqt_cast<FormFile*>(o) )
 	return;
 
     FormFile *formfile = (FormFile*)o;
@@ -680,14 +680,14 @@ bool MetaDataBase::hasSlot( TQObject *o, const TQCString &slot, bool onlyCustom
 	if ( slotList.find( slot ) != -1 )
 	    return TRUE;
 
-	if ( ::qt_cast<FormWindow*>(o) ) {
+	if ( ::tqt_cast<FormWindow*>(o) ) {
 	    o = ( (FormWindow*)o )->mainContainer();
 	    slotList = o->metaObject()->slotNames( TRUE );
 	    if ( slotList.find( slot ) != -1 )
 		return TRUE;
 	}
 
-	//if ( ::qt_cast<CustomWidget*>(o) ) {
+	//if ( ::tqt_cast<CustomWidget*>(o) ) {
 	if ( o->inherits( "CustomWidget" ) ) {
 	    MetaDataBase::CustomWidget *w = ( (::CustomWidget*)o )->customWidget();
 	    for ( TQValueList<Function>::Iterator it = w->lstSlots.begin(); it != w->lstSlots.end(); ++it ) {
@@ -910,14 +910,14 @@ bool MetaDataBase::hasFunction( TQObject *o, const TQCString &function, bool onl
 	if ( functionList.find( function ) != -1 )
 	    return TRUE;
 
-	if ( ::qt_cast<FormWindow*>(o) ) {
+	if ( ::tqt_cast<FormWindow*>(o) ) {
 	    o = ( (FormWindow*)o )->mainContainer();
 	    functionList = o->metaObject()->slotNames( TRUE );
 	    if ( functionList.find( function ) != -1 )
 		return TRUE;
 	}
 
-	//if ( ::qt_cast<CustomWidget*>(o) ) {
+	//if ( ::tqt_cast<CustomWidget*>(o) ) {
 	if ( o->inherits( "CustomWidget" ) ) {
 	    MetaDataBase::CustomWidget *w = ( (::CustomWidget*)o )->customWidget();
 	    for ( TQValueList<Function>::Iterator it = w->lstSlots.begin(); it != w->lstSlots.end(); ++it ) {
diff --git a/tools/designer/designer/multilineeditorimpl.cpp b/tools/designer/designer/multilineeditorimpl.cpp
index b7ccc67a..1d3cd2f8 100644
--- a/tools/designer/designer/multilineeditorimpl.cpp
+++ b/tools/designer/designer/multilineeditorimpl.cpp
@@ -229,7 +229,7 @@ MultiLineEditor::MultiLineEditor( bool call_static, bool richtextMode, TQWidget
 	textEdit->document()->setUseFormatCollection( FALSE );
 	textEdit->document()->setPreProcessor( new SyntaxHighlighter_HTML );
 
-	if ( !callStatic && ::qt_cast<TQTextEdit*>(editWidget) ) {
+	if ( !callStatic && ::tqt_cast<TQTextEdit*>(editWidget) ) {
 	    mlined = (TQTextEdit*)editWidget;
 	    mlined->setReadOnly( TRUE );
 
diff --git a/tools/designer/designer/popupmenueditor.cpp b/tools/designer/designer/popupmenueditor.cpp
index 355a6549..719e147d 100644
--- a/tools/designer/designer/popupmenueditor.cpp
+++ b/tools/designer/designer/popupmenueditor.cpp
@@ -124,7 +124,7 @@ PopupMenuEditorItem::PopupMenuEditorItem( TQAction * action, PopupMenuEditor * m
       removable( TRUE )
 {
     init();
-    if ( /*a->name() == "qt_separator_action" ||*/ ::qt_cast<TQSeparatorAction*>(a) )
+    if ( /*a->name() == "qt_separator_action" ||*/ ::tqt_cast<TQSeparatorAction*>(a) )
 	separator = TRUE;
     if ( a && a->children() )
  	a->installEventFilter( this );
@@ -140,7 +140,7 @@ PopupMenuEditorItem::PopupMenuEditorItem( PopupMenuEditorItem * item, PopupMenuE
       removable( item->removable )
 {
     init();
-    if ( ::qt_cast<TQActionGroup*>(a) )
+    if ( ::tqt_cast<TQActionGroup*>(a) )
  	a->installEventFilter( this );
 }
 
@@ -180,7 +180,7 @@ void PopupMenuEditorItem::setVisible( bool enable )
 
 bool PopupMenuEditorItem::isVisible() const
 {
-    TQActionGroup *g = ::qt_cast<TQActionGroup*>(a);
+    TQActionGroup *g = ::tqt_cast<TQActionGroup*>(a);
     if ( g )
 	return ( g->isVisible() && g->usesDropDown() );
     else if ( a )
@@ -217,7 +217,7 @@ int PopupMenuEditorItem::count() const
 {
     if ( s ) {
 	return s->count();
-    } else if ( ::qt_cast<TQActionGroup*>(a) ) {
+    } else if ( ::tqt_cast<TQActionGroup*>(a) ) {
 	const TQObjectList * l = a->children();
 	if ( l )
 	    return l->count();
@@ -227,15 +227,15 @@ int PopupMenuEditorItem::count() const
 
 bool PopupMenuEditorItem::eventFilter( TQObject * o, TQEvent * event )
 {
-    if ( ! ::qt_cast<TQActionGroup*>( o ) )
+    if ( ! ::tqt_cast<TQActionGroup*>( o ) )
 	return FALSE;
     if ( event->type() == TQEvent::ChildInserted ) {
 	TQChildEvent * ce = ( TQChildEvent * ) event;
 	TQObject * c = ce->child();
-	TQAction * action = ::qt_cast<TQAction*>( c );
+	TQAction * action = ::tqt_cast<TQAction*>( c );
 	if ( s->find( action ) != -1 ) // avoid duplicates
 	    return FALSE;
-	TQActionGroup * actionGroup = ::qt_cast<TQActionGroup*>( c );
+	TQActionGroup * actionGroup = ::tqt_cast<TQActionGroup*>( c );
 	if ( actionGroup )
 	    s->insert( actionGroup );
  	else if ( action )
@@ -367,7 +367,7 @@ void PopupMenuEditor::insert( TQActionGroup * actionGroup, int index )
     TQObjectListIterator it( *l );
     insert( i, index );
     for ( ; it.current(); ++it ) {
-	g = ::qt_cast<TQActionGroup*>(it.current());
+	g = ::tqt_cast<TQActionGroup*>(it.current());
 	if ( g ) {
 	    if ( dropdown )
 		i->s->insert( g );
@@ -857,7 +857,7 @@ void PopupMenuEditor::dropEvent( TQDropEvent * e )
 	PopupMenuEditorItemPtrDrag::decode( e, &i );
     } else {
 	if ( e->provides( "application/x-designer-actiongroup" ) ) {
-	    TQActionGroup * g = ::qt_cast<TQDesignerActionGroup*>(ActionDrag::action());
+	    TQActionGroup * g = ::tqt_cast<TQDesignerActionGroup*>(ActionDrag::action());
 	    if ( g->usesDropDown() ) {
 		i = new PopupMenuEditorItem( g, this );
 		TQString n = TQString( g->name() ) + "Item";
@@ -866,7 +866,7 @@ void PopupMenuEditor::dropEvent( TQDropEvent * e )
 		TQObjectList *l = g->queryList( "TQAction", 0, FALSE, FALSE );
 		TQObjectListIterator it( *l );
 		for ( ; it.current(); ++it ) {
-		    g = ::qt_cast<TQActionGroup*>(it.current());
+		    g = ::tqt_cast<TQActionGroup*>(it.current());
 		    if ( g )
 			i->s->insert( g );
 		    else
@@ -877,7 +877,7 @@ void PopupMenuEditor::dropEvent( TQDropEvent * e )
 		dropInPlace( g, e->pos().y() );
 	    }
 	} else if ( e->provides( "application/x-designer-actions" ) ) {
-	    TQAction *a = ::qt_cast<TQDesignerAction*>(ActionDrag::action());
+	    TQAction *a = ::tqt_cast<TQDesignerAction*>(ActionDrag::action());
 	    i = new PopupMenuEditorItem( a, this );
 	}
     }
@@ -1012,12 +1012,12 @@ void PopupMenuEditor::focusInEvent( TQFocusEvent * )
 void PopupMenuEditor::focusOutEvent( TQFocusEvent * )
 {
     TQWidget * fw = tqApp->focusWidget();
-    if ( !fw || ( !::qt_cast<PopupMenuEditor*>(fw) && fw != lineEdit ) ) {
+    if ( !fw || ( !::tqt_cast<PopupMenuEditor*>(fw) && fw != lineEdit ) ) {
 	hideSubMenu();
-	if ( fw && ::qt_cast<MenuBarEditor*>(fw) )
+	if ( fw && ::tqt_cast<MenuBarEditor*>(fw) )
 	    return;
 	TQWidget * w = this;
-	while ( w && w != fw && ::qt_cast<PopupMenuEditor*>(w) ) { // hide all popups
+	while ( w && w != fw && ::tqt_cast<PopupMenuEditor*>(w) ) { // hide all popups
 	    w->hide();
 	    w = ((PopupMenuEditor *)w)->parentEditor();
 	}
@@ -1243,8 +1243,8 @@ void PopupMenuEditor::dropInPlace( TQActionGroup * g, int y )
 	return;
     TQObjectList l = *g->children();
     for ( int i = 0; i < (int)l.count(); ++i ) {
-	TQAction *a = ::qt_cast<TQAction*>(l.at(i));
-	TQActionGroup *g = ::qt_cast<TQActionGroup*>(l.at(i));
+	TQAction *a = ::tqt_cast<TQAction*>(l.at(i));
+	TQActionGroup *g = ::tqt_cast<TQActionGroup*>(l.at(i));
 	if ( g )
 	    dropInPlace( g, y );
 	else if ( a )
@@ -1449,13 +1449,13 @@ TQString PopupMenuEditor::constructName( PopupMenuEditorItem *item )
     TQString s;
     TQString name = item->action()->menuText();
     TQWidget *e = parentEditor();
-    PopupMenuEditor *p = ::qt_cast<PopupMenuEditor*>(e);
+    PopupMenuEditor *p = ::tqt_cast<PopupMenuEditor*>(e);
     if ( p ) {
 	int idx = p->find( item->m );
 	PopupMenuEditorItem * i = ( idx > -1 ? p->at( idx ) : 0 );
 	s = ( i ? TQString( i->action()->name() ).remove( "Action" ) : TQString( "" ) );
     } else {
-	MenuBarEditor *b = ::qt_cast<MenuBarEditor*>(e);
+	MenuBarEditor *b = ::tqt_cast<MenuBarEditor*>(e);
 	if ( b ) {
 	    int idx = b->findItem( item->m );
 	    MenuBarEditorItem * i = ( idx > -1 ? b->item( idx ) : 0 );
diff --git a/tools/designer/designer/project.cpp b/tools/designer/designer/project.cpp
index 65ee8bbb..560231bd 100644
--- a/tools/designer/designer/project.cpp
+++ b/tools/designer/designer/project.cpp
@@ -1554,8 +1554,8 @@ TQString Project::locationOfObject( TQObject *o )
     if ( MainWindow::self ) {
 	TQWidgetList windows = MainWindow::self->qWorkspace()->windowList();
 	for ( TQWidget *w = windows.first(); w; w = windows.next() ) {
-	    FormWindow *fw = ::qt_cast<FormWindow*>(w);
-	    SourceEditor *se = ::qt_cast<SourceEditor*>(w);
+	    FormWindow *fw = ::tqt_cast<FormWindow*>(w);
+	    SourceEditor *se = ::tqt_cast<SourceEditor*>(w);
 	    if ( fw ) {
 		if ( fw->isFake() )
 		    return objectForFakeForm( fw )->name() + TQString( " [Source]" );
@@ -1572,7 +1572,7 @@ TQString Project::locationOfObject( TQObject *o )
 	}
     }
 
-    if ( ::qt_cast<SourceFile*>(o) ) {
+    if ( ::tqt_cast<SourceFile*>(o) ) {
 	for ( TQPtrListIterator<SourceFile> sources = sourceFiles();
 	      sources.current(); ++sources ) {
 	    SourceFile* f = sources.current();
diff --git a/tools/designer/designer/propertyeditor.cpp b/tools/designer/designer/propertyeditor.cpp
index db8b12ac..a4bc629e 100644
--- a/tools/designer/designer/propertyeditor.cpp
+++ b/tools/designer/designer/propertyeditor.cpp
@@ -752,7 +752,7 @@ void PropertyTextItem::setValue()
 
 void PropertyTextItem::getText()
 {
-    bool richText = !::qt_cast<TQButton*>(listview->propertyEditor()->widget()) ||
+    bool richText = !::tqt_cast<TQButton*>(listview->propertyEditor()->widget()) ||
 		    ( text( 0 ) == "whatsThis" );
     bool doWrap = FALSE;
     TQString txt = MultiLineEditor::getText( listview, value().toString(), richText, &doWrap );
@@ -2306,7 +2306,7 @@ void PropertyPaletteItem::getPalette()
 	return;
     bool ok = FALSE;
     TQWidget *w = (TQWidget*)listview->propertyEditor()->widget();
-    if ( ::qt_cast<TQScrollView*>(w) )
+    if ( ::tqt_cast<TQScrollView*>(w) )
 	w = ( (TQScrollView*)w )->viewport();
     TQPalette pal = PaletteEditor::getPalette( &ok, val.toPalette(),
 #if defined(QT_NON_COMMERCIAL)
@@ -3013,7 +3013,7 @@ static bool parent_is_data_aware( TQWidget *w )
 {
     TQWidget *p = w ? w->parentWidget() : 0;
     while ( p && !p->isTopLevel() ) {
-	if ( ::qt_cast<TQDesignerDataBrowser*>(p) || ::qt_cast<TQDesignerDataView*>(p) )
+	if ( ::tqt_cast<TQDesignerDataBrowser*>(p) || ::tqt_cast<TQDesignerDataView*>(p) )
 	    return TRUE;
 	p = p->parentWidget();
     }
@@ -3029,7 +3029,7 @@ void PropertyList::setupProperties()
 {
     if ( !editor->widget() )
 	return;
-    bool allProperties = !::qt_cast<Spacer*>(editor->widget());
+    bool allProperties = !::tqt_cast<Spacer*>(editor->widget());
     TQStrList lst = editor->widget()->metaObject()->propertyNames( allProperties );
     PropertyItem *item = 0;
     TQMap<TQString, bool> unique;
@@ -3047,8 +3047,8 @@ void PropertyList::setupProperties()
 	    continue;
 	if ( unique.contains( TQString::fromLatin1( it.current() ) ) )
 	    continue;
-	if ( ::qt_cast<TQDesignerToolBar*>(editor->widget()) ||
-	     ::qt_cast<MenuBarEditor*>(editor->widget()) ) {
+	if ( ::tqt_cast<TQDesignerToolBar*>(editor->widget()) ||
+	     ::tqt_cast<MenuBarEditor*>(editor->widget()) ) {
 	    if ( qstrcmp( p->name(), "minimumHeight" ) == 0 )
 		continue;
 	    if ( qstrcmp( p->name(), "minimumWidth" ) == 0 )
@@ -3084,7 +3084,7 @@ void PropertyList::setupProperties()
 		continue;
 	    if ( parentHasLayout && qstrcmp( p->name(), "geometry" ) == 0 )
 		continue;
-	    if ( ::qt_cast<TQLayoutWidget*>(w) || ::qt_cast<Spacer*>(w) ) {
+	    if ( ::tqt_cast<TQLayoutWidget*>(w) || ::tqt_cast<Spacer*>(w) ) {
 		if ( qstrcmp( p->name(), "sizePolicy" ) == 0 )
 		    continue;
 		if ( qstrcmp( p->name(), "minimumHeight" ) == 0 )
@@ -3127,7 +3127,7 @@ void PropertyList::setupProperties()
 		    continue;
 	    }
 	}
-	if ( ::qt_cast<TQActionGroup*>(w) ) {
+	if ( ::tqt_cast<TQActionGroup*>(w) ) {
 	    if ( qstrcmp( p->name(), "usesDropDown" ) == 0 )
 		continue;
 	    if ( qstrcmp( p->name(), "toggleAction" ) == 0 )
@@ -3144,7 +3144,7 @@ void PropertyList::setupProperties()
 	if ( qstrcmp( p->name(), "buttonGroupId" ) == 0 ) { // #### remove this when designable in Q_PROPERTY can take a function (isInButtonGroup() in this case)
 	    if ( !editor->widget()->isWidgetType() ||
 		 !editor->widget()->parent() ||
-		 !::qt_cast<TQButtonGroup*>(editor->widget()->parent()) )
+		 !::tqt_cast<TQButtonGroup*>(editor->widget()->parent()) )
 		continue;
 	}
 
@@ -3166,7 +3166,7 @@ void PropertyList::setupProperties()
 		    setPropertyValue( item );
 		    if ( MetaDataBase::isPropertyChanged( editor->widget(), "hAlign" ) )
 			item->setChanged( TRUE, FALSE );
-		    if ( !::qt_cast<TQMultiLineEdit*>(editor->widget()) ) {
+		    if ( !::tqt_cast<TQMultiLineEdit*>(editor->widget()) ) {
 			lst.clear();
 			lst << p->valueToKey( AlignTop )
 			    << p->valueToKey( AlignVCenter )
@@ -3177,7 +3177,7 @@ void PropertyList::setupProperties()
 			if ( MetaDataBase::isPropertyChanged( editor->widget(), "vAlign" ) )
 			    item->setChanged( TRUE, FALSE );
 			item = new PropertyBoolItem( this, item, 0, "wordwrap" );
-			if ( ::qt_cast<TQGroupBox*>(w) )
+			if ( ::tqt_cast<TQGroupBox*>(w) )
 			    item->setVisible( FALSE );
 			setPropertyValue( item );
 			if ( MetaDataBase::isPropertyChanged( editor->widget(), "wordwrap" ) )
@@ -3225,7 +3225,7 @@ void PropertyList::setupProperties()
 	}
     }
 
-    if ( !::qt_cast<TQSplitter*>(w) && !::qt_cast<MenuBarEditor*>(w) && !::qt_cast<TQDesignerToolBar*>(w) &&
+    if ( !::tqt_cast<TQSplitter*>(w) && !::tqt_cast<MenuBarEditor*>(w) && !::tqt_cast<TQDesignerToolBar*>(w) &&
 	 w->isWidgetType() && WidgetFactory::layoutType( (TQWidget*)w ) != WidgetFactory::NoLayout ) {
 	item = new PropertyLayoutItem( this, item, 0, "layoutSpacing" );
 	setPropertyValue( item );
@@ -3242,8 +3242,8 @@ void PropertyList::setupProperties()
 	else
 	    layoutInitValue( item );
 	TQWidget *widget = (TQWidget*)w;
-	if ( ( !::qt_cast<TQLayoutWidget*>(widget) &&
-	       widget->parentWidget() && ::qt_cast<FormWindow*>(widget->parentWidget()) ) ) {
+	if ( ( !::tqt_cast<TQLayoutWidget*>(widget) &&
+	       widget->parentWidget() && ::tqt_cast<FormWindow*>(widget->parentWidget()) ) ) {
 	    item = new PropertyListItem( this, item, 0, "resizeMode", FALSE );
 	    TQStringList lst;
 	    lst << "Auto" << "FreeResize" << "Minimum" << "Fixed";
@@ -3258,8 +3258,8 @@ void PropertyList::setupProperties()
 	}
     }
 
-    if ( !::qt_cast<Spacer*>(w) && !::qt_cast<TQLayoutWidget*>(w) &&
-	 !::qt_cast<MenuBarEditor*>(w) && !::qt_cast<TQDesignerToolBar*>(w) ) {
+    if ( !::tqt_cast<Spacer*>(w) && !::tqt_cast<TQLayoutWidget*>(w) &&
+	 !::tqt_cast<MenuBarEditor*>(w) && !::tqt_cast<TQDesignerToolBar*>(w) ) {
 	item = new PropertyTextItem( this, item, 0, "toolTip", TRUE, FALSE );
 	setPropertyValue( item );
 	if ( MetaDataBase::isPropertyChanged( editor->widget(), "toolTip" ) )
@@ -3271,16 +3271,16 @@ void PropertyList::setupProperties()
     }
 
 #ifndef QT_NO_SQL
-    if ( !::qt_cast<TQDataTable*>(editor->widget()) && !::qt_cast<TQDataBrowser*>(editor->widget()) &&
-	 !::qt_cast<TQDataView*>(editor->widget()) && parent_is_data_aware( ::qt_cast<TQWidget*>(editor->widget()) ) ) {
+    if ( !::tqt_cast<TQDataTable*>(editor->widget()) && !::tqt_cast<TQDataBrowser*>(editor->widget()) &&
+	 !::tqt_cast<TQDataView*>(editor->widget()) && parent_is_data_aware( ::tqt_cast<TQWidget*>(editor->widget()) ) ) {
 	item = new PropertyDatabaseItem( this, item, 0, "database", editor->formWindow()->mainContainer() != w );
 	setPropertyValue( item );
 	if ( MetaDataBase::isPropertyChanged( editor->widget(), "database" ) )
 	    item->setChanged( TRUE, FALSE );
     }
 
-    if ( ::qt_cast<TQDataTable*>(editor->widget()) || ::qt_cast<TQDataBrowser*>(editor->widget()) ||
-	 ::qt_cast<TQDataView*>(editor->widget()) ) {
+    if ( ::tqt_cast<TQDataTable*>(editor->widget()) || ::tqt_cast<TQDataBrowser*>(editor->widget()) ||
+	 ::tqt_cast<TQDataView*>(editor->widget()) ) {
 	item = new PropertyDatabaseItem( this, item, 0, "database", FALSE );
 	setPropertyValue( item );
 	if ( MetaDataBase::isPropertyChanged( editor->widget(), "database" ) )
@@ -3363,9 +3363,9 @@ bool PropertyList::addPropertyItem( PropertyItem *&item, const TQCString &name,
     switch ( t ) {
     case TQVariant::String:
 	item = new PropertyTextItem( this, item, 0, name, TRUE,
-				     ::qt_cast<TQLabel*>(editor->widget()) ||
-				     ::qt_cast<TQTextView*>(editor->widget()) ||
-				     ::qt_cast<TQButton*>(editor->widget()) );
+				     ::tqt_cast<TQLabel*>(editor->widget()) ||
+				     ::tqt_cast<TQTextView*>(editor->widget()) ||
+				     ::tqt_cast<TQButton*>(editor->widget()) );
 	break;
     case TQVariant::CString:
 	item = new PropertyTextItem( this, item, 0,
@@ -3543,8 +3543,8 @@ bool PropertyList::eventFilter( TQObject *o, TQEvent *e )
 	     !( ke->state() & ControlButton ) ) {
 	    TQApplication::sendEvent( this, (TQKeyEvent*)e );
 	    return TRUE;
-	} else if ( ( !::qt_cast<TQLineEdit*>(o) ||
-		      ( ::qt_cast<TQLineEdit*>(o) && ( (TQLineEdit*)o )->isReadOnly() ) ) &&
+	} else if ( ( !::tqt_cast<TQLineEdit*>(o) ||
+		      ( ::tqt_cast<TQLineEdit*>(o) && ( (TQLineEdit*)o )->isReadOnly() ) ) &&
 		    i && i->hasSubItems() ) {
 	    if ( !i->isOpen() &&
 		 ( ke->key() == Key_Plus ||
@@ -3554,12 +3554,12 @@ bool PropertyList::eventFilter( TQObject *o, TQEvent *e )
 		      ( ke->key() == Key_Minus ||
 			ke->key() == Key_Left ) )
 		i->setOpen( FALSE );
-	} else if ( ( ke->key() == Key_Return || ke->key() == Key_Enter ) && ::qt_cast<TQComboBox*>(o) ) {
+	} else if ( ( ke->key() == Key_Return || ke->key() == Key_Enter ) && ::tqt_cast<TQComboBox*>(o) ) {
 	    TQKeyEvent ke2( TQEvent::KeyPress, Key_Space, 0, 0 );
 	    TQApplication::sendEvent( o, &ke2 );
 	    return TRUE;
 	}
-    } else if ( e->type() == TQEvent::FocusOut && ::qt_cast<TQLineEdit*>(o) && editor->formWindow() ) {
+    } else if ( e->type() == TQEvent::FocusOut && ::tqt_cast<TQLineEdit*>(o) && editor->formWindow() ) {
 	TQTimer::singleShot( 100, editor->formWindow()->commandHistory(), SLOT( checkCompressedCommand() ) );
     } else if ( o == viewport() ) {
 	TQMouseEvent *me;
@@ -3568,7 +3568,7 @@ bool PropertyList::eventFilter( TQObject *o, TQEvent *e )
 	case TQEvent::MouseButtonPress:
 	    me = (TQMouseEvent*)e;
 	    i = (PropertyListItem*) itemAt( me->pos() );
-	    if ( i && ( ::qt_cast<PropertyColorItem*>(i) || ::qt_cast<PropertyPixmapItem*>(i) ) ) {
+	    if ( i && ( ::tqt_cast<PropertyColorItem*>(i) || ::tqt_cast<PropertyPixmapItem*>(i) ) ) {
 		pressItem = i;
 		pressPos = me->pos();
 		mousePressed = TRUE;
@@ -3582,7 +3582,7 @@ bool PropertyList::eventFilter( TQObject *o, TQEvent *e )
 		if ( i  && i == pressItem ) {
 
 		    if (( pressPos - me->pos() ).manhattanLength() > TQApplication::startDragDistance() ){
-			if ( ::qt_cast<PropertyColorItem*>(i) ) {
+			if ( ::tqt_cast<PropertyColorItem*>(i) ) {
 			    TQColor col = i->value().asColor();
 			    TQColorDrag *drg = new TQColorDrag( col, this );
 			    TQPixmap pix( 25, 25 );
@@ -3594,7 +3594,7 @@ bool PropertyList::eventFilter( TQObject *o, TQEvent *e )
 			    mousePressed = FALSE;
 			    drg->dragCopy();
 			}
-			else if ( ::qt_cast<PropertyPixmapItem*>(i) ) {
+			else if ( ::tqt_cast<PropertyPixmapItem*>(i) ) {
 			    TQPixmap pix = i->value().asPixmap();
 			    if( !pix.isNull() ) {
 				TQImage img = pix.convertToImage();
@@ -3780,9 +3780,9 @@ void PropertyList::viewportDragEnterEvent( TQDragEnterEvent *e )
 	return;
     }
 
-    if ( ::qt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) )
+    if ( ::tqt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) )
 	e->accept();
-    else if ( ::qt_cast<PropertyPixmapItem*>(i) && TQImageDrag::canDecode( e ) )
+    else if ( ::tqt_cast<PropertyPixmapItem*>(i) && TQImageDrag::canDecode( e ) )
 	e->accept();
     else
 	e->ignore();
@@ -3796,9 +3796,9 @@ void PropertyList::viewportDragMoveEvent ( TQDragMoveEvent *e )
 	return;
     }
 
-    if ( ::qt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) )
+    if ( ::tqt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) )
 	e->accept();
-    else if ( ::qt_cast<PropertyPixmapItem*>(i) && TQImageDrag::canDecode( e ) )
+    else if ( ::tqt_cast<PropertyPixmapItem*>(i) && TQImageDrag::canDecode( e ) )
 	e->accept();
     else
 	e->ignore();
@@ -3812,14 +3812,14 @@ void PropertyList::viewportDropEvent ( TQDropEvent *e )
 	return;
     }
 
-    if ( ::qt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) ) {
+    if ( ::tqt_cast<PropertyColorItem*>(i) && TQColorDrag::canDecode( e ) ) {
 	TQColor color;
 	TQColorDrag::decode( e, color );
 	i->setValue( TQVariant( color ) );
 	valueChanged( i );
 	e->accept();
     }
-    else if ( ::qt_cast<PropertyPixmapItem*>(i)  && TQImageDrag::canDecode( e ) ) {
+    else if ( ::tqt_cast<PropertyPixmapItem*>(i)  && TQImageDrag::canDecode( e ) ) {
 	TQImage img;
 	TQImageDrag::decode( e, img );
 	TQPixmap pm;
diff --git a/tools/designer/designer/resource.cpp b/tools/designer/designer/resource.cpp
index 36af9775..3a689f45 100644
--- a/tools/designer/designer/resource.cpp
+++ b/tools/designer/designer/resource.cpp
@@ -704,13 +704,13 @@ bool Resource::save( TQIODevice* dev )
     ts << "<!DOCTYPE UI><UI version=\"3.3\" stdsetdef=\"1\">" << endl;
     saveMetaInfoBefore( ts, 0 );
     saveObject( formwindow->mainContainer(), 0, ts, 0 );
-    if ( ::qt_cast<TQMainWindow*>(formwindow->mainContainer()) ) {
+    if ( ::tqt_cast<TQMainWindow*>(formwindow->mainContainer()) ) {
 	saveMenuBar( (TQMainWindow*)formwindow->mainContainer(), ts, 0 );
 	saveToolBars( (TQMainWindow*)formwindow->mainContainer(), ts, 0 );
     }
     if ( !MetaDataBase::customWidgets()->isEmpty() && !usedCustomWidgets.isEmpty() )
 	saveCustomWidgets( ts, 0 );
-    if ( ::qt_cast<TQMainWindow*>(formwindow->mainContainer()) )
+    if ( ::tqt_cast<TQMainWindow*>(formwindow->mainContainer()) )
 	saveActions( formwindow->actionList(), ts, 0 );
     if ( !images.isEmpty() )
 	saveImageCollection( ts, 0 );
@@ -880,7 +880,7 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 
     TQDesignerWidgetStack* ws = 0;
 
-    if ( ::qt_cast<TQTabWidget*>(obj) ) {
+    if ( ::tqt_cast<TQTabWidget*>(obj) ) {
 	TQTabWidget* tw = (TQTabWidget*) obj;
 	TQObjectList* tmpl = tw->queryList( "TQWidgetStack" );
 	TQWidgetStack *ws = (TQWidgetStack*)tmpl->first();
@@ -912,7 +912,7 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 	    ts << makeIndent( indent ) << "</widget>" << endl;
 	}
 	delete tmpl;
-    } else if ( (ws = ::qt_cast<TQDesignerWidgetStack*>(obj)) != 0 ) {
+    } else if ( (ws = ::tqt_cast<TQDesignerWidgetStack*>(obj)) != 0 ) {
 	for ( int i = 0; i < ws->count(); ++i ) {
 	    TQWidget *w = ws->page( i );
 	    if ( !w )
@@ -935,7 +935,7 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 	    --indent;
 	    ts << makeIndent( indent ) << "</widget>" << endl;
 	}
-    } else if ( ::qt_cast<TQToolBox*>(obj) ) {
+    } else if ( ::tqt_cast<TQToolBox*>(obj) ) {
 	TQToolBox* tb = (TQToolBox*)obj;
 	for ( int i = 0; i < tb->count(); ++i ) {
 	    TQWidget *w = tb->item( i );
@@ -964,7 +964,7 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 	    --indent;
 	    ts << makeIndent( indent ) << "</widget>" << endl;
 	}
-    } else if ( ::qt_cast<TQWizard*>(obj) ) {
+    } else if ( ::tqt_cast<TQWizard*>(obj) ) {
 	TQWizard* wiz = (TQWizard*)obj;
 	for ( int i = 0; i < wiz->pageCount(); ++i ) {
 	    TQWidget *w = wiz->page( i );
@@ -989,7 +989,7 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 	    --indent;
 	    ts << makeIndent( indent ) << "</widget>" << endl;
 	}
-    } else if ( ::qt_cast<TQMainWindow*>(obj) ) {
+    } else if ( ::tqt_cast<TQMainWindow*>(obj) ) {
 	saveChildrenOf( ( (TQMainWindow*)obj )->centralWidget(), ts, indent );
     } else {
 	bool saved = FALSE;
@@ -1124,9 +1124,9 @@ void Resource::saveObject( TQObject *obj, TQDesignerGridLayout* grid, TQTextStre
 
 void Resource::saveItems( TQObject *obj, TQTextStream &ts, int indent )
 {
-    if ( ::qt_cast<TQListBox*>(obj) || ::qt_cast<TQComboBox*>(obj) ) {
+    if ( ::tqt_cast<TQListBox*>(obj) || ::tqt_cast<TQComboBox*>(obj) ) {
 	TQListBox *lb = 0;
-	if ( ::qt_cast<TQListBox*>(obj) ) {
+	if ( ::tqt_cast<TQListBox*>(obj) ) {
 	    lb = (TQListBox*)obj;
 	} else {
             TQComboBox *cb = (TQComboBox*)obj;
@@ -1165,7 +1165,7 @@ void Resource::saveItems( TQObject *obj, TQTextStream &ts, int indent )
             }
         }
 
-    } else if ( ::qt_cast<TQIconView*>(obj) ) {
+    } else if ( ::tqt_cast<TQIconView*>(obj) ) {
 	TQIconView *iv = (TQIconView*)obj;
 
 	TQIconViewItem *i = iv->firstItem();
@@ -1181,7 +1181,7 @@ void Resource::saveItems( TQObject *obj, TQTextStream &ts, int indent )
 	    indent--;
 	    ts << makeIndent( indent ) << "</item>" << endl;
 	}
-    } else if ( ::qt_cast<TQListView*>(obj) ) {
+    } else if ( ::tqt_cast<TQListView*>(obj) ) {
 	TQListView *lv = (TQListView*)obj;
 	int i;
 	for ( i = 0; i < lv->header()->count(); ++i ) {
@@ -1210,12 +1210,12 @@ void Resource::saveItems( TQObject *obj, TQTextStream &ts, int indent )
 	saveItem( lv->firstChild(), ts, indent - 1 );
     }
 #if !defined (QT_NO_TABLE)
-    else if ( ::qt_cast<TQTable*>(obj) ) {
+    else if ( ::tqt_cast<TQTable*>(obj) ) {
 	TQTable *table = (TQTable*)obj;
 	int i;
 	TQMap<TQString, TQString> columnFields = MetaDataBase::columnFields( table );
 #  ifndef QT_NO_SQL
-	bool isDataTable = ::qt_cast<TQDataTable*>(table);
+	bool isDataTable = ::tqt_cast<TQDataTable*>(table);
 #  else
         bool isDataTable = false;
 #  endif
@@ -1372,7 +1372,7 @@ void Resource::saveChildrenOf( TQObject* obj, TQTextStream &ts, int indent )
     // if the widget has a layout we pretend that all widget's childs are childs of the layout - makes the structure nicer
     TQLayout *layout = 0;
     TQDesignerGridLayout* grid = 0;
-    if ( !::qt_cast<TQSplitter*>(obj) &&
+    if ( !::tqt_cast<TQSplitter*>(obj) &&
 	 WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( obj ) ) ) &&
 	 obj->isWidgetType() &&
 	 WidgetFactory::layoutType( (TQWidget*)obj, layout ) != WidgetFactory::NoLayout ) {
@@ -1420,18 +1420,18 @@ void Resource::saveObjectProperties( TQObject *w, TQTextStream &ts, int indent )
     TQStringList changed;
     changed = MetaDataBase::changedProperties( w );
     if ( w->isWidgetType() ) {
-	if ( ::qt_cast<Spacer*>(w) ) {
+	if ( ::tqt_cast<Spacer*>(w) ) {
 	    if ( !changed.contains( "sizeHint" ) )
 		changed << "sizeHint";
 	    if ( !changed.contains( "geometry" ) )
 		changed << "geometry";
  	} else {
-	    TQToolButton *tb = ::qt_cast<TQToolButton*>(w);
+	    TQToolButton *tb = ::tqt_cast<TQToolButton*>(w);
 	    if ( tb && !tb->iconSet().isNull() ) {
 		changed << "iconSet";
 	    }
 	}
-    } else if ( ::qt_cast<TQLayout*>(w) ) {
+    } else if ( ::tqt_cast<TQLayout*>(w) ) {
 	if ( MetaDataBase::spacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (TQLayout*)w ) ) ) > -1 )
 	    changed << "spacing";
 	if ( MetaDataBase::margin( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (TQLayout*)w ) ) ) > -1 )
@@ -1454,7 +1454,7 @@ void Resource::saveObjectProperties( TQObject *w, TQTextStream &ts, int indent )
     bool inLayout = w != formwindow->mainContainer() && !copying && w->isWidgetType() && ( (TQWidget*)w )->parentWidget() &&
 		    WidgetFactory::layoutType( ( (TQWidget*)w )->parentWidget() ) != WidgetFactory::NoLayout;
 
-    TQStrList lst = w->metaObject()->propertyNames( !::qt_cast<Spacer*>(w) );
+    TQStrList lst = w->metaObject()->propertyNames( !::tqt_cast<Spacer*>(w) );
     for ( TQPtrListIterator<char> it( lst ); it.current(); ++it ) {
 	if ( changed.find( TQString::fromLatin1( it.current() ) ) == changed.end() )
 	    continue;
@@ -1465,10 +1465,10 @@ void Resource::saveObjectProperties( TQObject *w, TQTextStream &ts, int indent )
 				 property( w->metaObject()->findProperty( it.current(), TRUE ), TRUE );
 	if ( !p || !p->stored( w ) || ( inLayout && qstrcmp( p->name(), "geometry" ) == 0 ) )
 	    continue;
-	if ( ::qt_cast<TQLabel*>(w) && qstrcmp( p->name(), "pixmap" ) == 0 &&
+	if ( ::tqt_cast<TQLabel*>(w) && qstrcmp( p->name(), "pixmap" ) == 0 &&
 	     ( !( (TQLabel*)w )->pixmap() || ( (TQLabel*)w )->pixmap()->isNull() ) )
 	    continue;
-	if ( ::qt_cast<MenuBarEditor*>(w) &&
+	if ( ::tqt_cast<MenuBarEditor*>(w) &&
 	     ( qstrcmp( p->name(), "itemName" ) == 0 || qstrcmp( p->name(), "itemNumber" ) == 0 ||
 	       qstrcmp( p->name(), "itemText" ) == 0 ) )
 	    continue;
@@ -1482,7 +1482,7 @@ void Resource::saveObjectProperties( TQObject *w, TQTextStream &ts, int indent )
 	    ts << " stdset=\"0\"";
 	ts << ">" << endl;
 	indent++;
-	if ( strcmp( it.current(), "resizeMode" ) == 0 && ::qt_cast<TQLayout*>(w) ) {
+	if ( strcmp( it.current(), "resizeMode" ) == 0 && ::tqt_cast<TQLayout*>(w) ) {
 	    saveProperty( w, it.current(), "", TQVariant::String, ts, indent );
 	} else if ( p->isSetType() ) {
 	    saveSetProperty( w, it.current(), TQVariant::nameToType( p->type() ), ts, indent );
@@ -1572,7 +1572,7 @@ void Resource::saveProperty( TQObject *w, const TQString &name, const TQVariant
 	ts << makeIndent( indent ) << "<bool>" << mkBool( value.toBool() ) << "</bool>" << endl;
 	break;
     case TQVariant::Int:
-	if ( ::qt_cast<TQLayout*>(w) ) {
+	if ( ::tqt_cast<TQLayout*>(w) ) {
 	    num = -1;
 	    if ( name == "spacing" )
 		num = MetaDataBase::spacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (TQLayout*)w ) ) );
@@ -1822,7 +1822,7 @@ TQObject *Resource::createObject( const TQDomElement &e, TQWidget *parent, TQLay
 	    mainContainerSet = TRUE;
 	}
 	w = (TQWidget*)obj;
-	if ( ::qt_cast<TQMainWindow*>(w) )
+	if ( ::tqt_cast<TQMainWindow*>(w) )
 	    w = ( (TQMainWindow*)w )->centralWidget();
 	if ( layout ) {
 	    switch ( WidgetFactory::layoutType( layout ) ) {
@@ -1847,20 +1847,20 @@ TQObject *Resource::createObject( const TQDomElement &e, TQWidget *parent, TQLay
 
 	if ( w && formwindow ) {
 	    if ( !parent ||
-		 ( !::qt_cast<TQTabWidget*>(parent) &&
-		   !::qt_cast<TQWidgetStack*>(parent) &&
-		   !::qt_cast<TQToolBox*>(parent) &&
-		   !::qt_cast<TQWizard*>(parent)
+		 ( !::tqt_cast<TQTabWidget*>(parent) &&
+		   !::tqt_cast<TQWidgetStack*>(parent) &&
+		   !::tqt_cast<TQToolBox*>(parent) &&
+		   !::tqt_cast<TQWizard*>(parent)
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
                    && !isPlugin
 #endif
                      ) )
 		formwindow->insertWidget( w, pasting );
 	    else if ( parent &&
-		      ( ::qt_cast<TQTabWidget*>(parent) ||
-			::qt_cast<TQWidgetStack*>(parent) ||
-			::qt_cast<TQToolBox*>(parent) ||
-			::qt_cast<TQWizard*>(parent)
+		      ( ::tqt_cast<TQTabWidget*>(parent) ||
+			::tqt_cast<TQWidgetStack*>(parent) ||
+			::tqt_cast<TQToolBox*>(parent) ||
+			::tqt_cast<TQWizard*>(parent)
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
                         || isPlugin
 #endif
@@ -1903,16 +1903,16 @@ TQObject *Resource::createObject( const TQDomElement &e, TQWidget *parent, TQLay
 	} else if ( n.tagName() == "attribute" && w ) {
 	    TQString attrib = n.attribute( "name" );
 	    TQVariant v = DomTool::elementToVariant( n.firstChild().toElement(), TQVariant() );
-	    if ( ::qt_cast<TQTabWidget*>(parent) ) {
+	    if ( ::tqt_cast<TQTabWidget*>(parent) ) {
 		if ( attrib == "title" )
 		    ( (TQTabWidget*)parent )->insertTab( w, v.toString() );
-	    } else if ( ::qt_cast<TQWidgetStack*>(parent) ) {
+	    } else if ( ::tqt_cast<TQWidgetStack*>(parent) ) {
 		if ( attrib == "id" )
 		    ( (TQDesignerWidgetStack*)parent )->insertPage( w, v.toInt() );
-	    } else if ( ::qt_cast<TQToolBox*>(parent) ) {
+	    } else if ( ::tqt_cast<TQToolBox*>(parent) ) {
 		if ( attrib == "label" )
 		    ( (TQToolBox*)parent )->addItem( w, v.toString() );
-	    } else if ( ::qt_cast<TQWizard*>(parent) ) {
+	    } else if ( ::tqt_cast<TQWizard*>(parent) ) {
 		if ( attrib == "title" )
 		    ( (TQWizard*)parent )->addPage( w, v.toString() );
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
@@ -1960,7 +1960,7 @@ void Resource::createColumn( const TQDomElement &e, TQWidget *widget )
     if ( !widget )
 	return;
 
-    if ( ::qt_cast<TQListView*>(widget) && e.tagName() == "column" ) {
+    if ( ::tqt_cast<TQListView*>(widget) && e.tagName() == "column" ) {
 	TQListView *lv = (TQListView*)widget;
 	TQDomElement n = e.firstChild().toElement();
 	TQPixmap pix;
@@ -1994,7 +1994,7 @@ void Resource::createColumn( const TQDomElement &e, TQWidget *widget )
 	    lv->header()->setResizeEnabled( resizable, i );
     }
 #ifndef QT_NO_TABLE
-    else if ( ::qt_cast<TQTable*>(widget) ) {
+    else if ( ::tqt_cast<TQTable*>(widget) ) {
 	TQTable *table = (TQTable*)widget;
 	bool isRow;
 	if ( ( isRow = e.tagName() == "row" ) )
@@ -2061,14 +2061,14 @@ void Resource::createItem( const TQDomElement &e, TQWidget *widget, TQListViewIt
     if ( !widget || !WidgetFactory::hasItems( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( widget ) ), widget ) )
 	return;
 
-    if ( ::qt_cast<TQListBox*>(widget) || ::qt_cast<TQComboBox*>(widget) ) {
+    if ( ::tqt_cast<TQListBox*>(widget) || ::tqt_cast<TQComboBox*>(widget) ) {
 	TQDomElement n = e.firstChild().toElement();
 	TQPixmap pix;
 	bool hasPixmap = FALSE;
 	TQString txt;
 	loadItem( n, pix, txt, hasPixmap );
 	TQListBox *lb = 0;
-	if ( ::qt_cast<TQListBox*>(widget) ) {
+	if ( ::tqt_cast<TQListBox*>(widget) ) {
 	    lb = (TQListBox*)widget;
 	} else {
             TQComboBox *cb = (TQComboBox*)widget;
@@ -2083,7 +2083,7 @@ void Resource::createItem( const TQDomElement &e, TQWidget *widget, TQListViewIt
 	} else {
 	    new TQListBoxText( lb, txt );
 	}
-    } else if ( ::qt_cast<TQIconView*>(widget) ) {
+    } else if ( ::tqt_cast<TQIconView*>(widget) ) {
 	TQDomElement n = e.firstChild().toElement();
 	TQPixmap pix;
 	bool hasPixmap = FALSE;
@@ -2094,7 +2094,7 @@ void Resource::createItem( const TQDomElement &e, TQWidget *widget, TQListViewIt
 	    new TQIconViewItem( iv, txt, pix );
 	else
 	    new TQIconViewItem( iv, txt );
-    } else if ( ::qt_cast<TQListView*>(widget) ) {
+    } else if ( ::tqt_cast<TQListView*>(widget) ) {
 	TQDomElement n = e.firstChild().toElement();
 	TQPixmap pix;
 	TQValueList<TQPixmap> pixmaps;
@@ -2161,7 +2161,7 @@ TQWidget *Resource::createSpacer( const TQDomElement &e, TQWidget *parent, TQLay
     if ( formwindow )
 	formwindow->insertWidget( spacer, pasting );
     if ( layout ) {
-	if ( ::qt_cast<TQBoxLayout*>(layout) )
+	if ( ::tqt_cast<TQBoxLayout*>(layout) )
 	    ( (TQBoxLayout*)layout )->addWidget( spacer, 0, spacer->alignment() );
 	else
 	    ( (TQDesignerGridLayout*)layout )->addMultiCellWidget( spacer, row, row + rowspan - 1, col, col + colspan - 1,
@@ -2177,7 +2177,7 @@ void Resource::setObjectProperty( TQObject* obj, const TQString &prop, const TQD
 {
     const TQMetaProperty *p = obj->metaObject()->property( obj->metaObject()->findProperty( prop, TRUE ), TRUE );
 
-    if ( !::qt_cast<TQLayout*>(obj)  ) {// no layouts in metadatabase... (RS)
+    if ( !::tqt_cast<TQLayout*>(obj)  ) {// no layouts in metadatabase... (RS)
 	if ( obj->inherits( "CustomWidget" ) ) {
 	    MetaDataBase::CustomWidget *cw = ( (CustomWidget*)obj )->customWidget();
 	    if ( cw && !cw->hasProperty( prop.latin1() ) && !p && prop != "toolTip" && prop != "whatsThis" )
@@ -2290,7 +2290,7 @@ void Resource::setObjectProperty( TQObject* obj, const TQString &prop, const TQD
 	}
     }
 
-    if ( ::qt_cast<TQLayout*>(obj) ) {
+    if ( ::tqt_cast<TQLayout*>(obj) ) {
 	if ( prop == "spacing" ) {
 	    MetaDataBase::setSpacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (TQLayout*)obj ) ), v.toInt() );
 	    return;
@@ -2976,10 +2976,10 @@ void Resource::saveChildActions( TQAction *a, TQTextStream &ts, int indent )
     while ( it.current() ) {
 	TQObject *o = it.current();
 	++it;
-	if ( !::qt_cast<TQAction*>(o) )
+	if ( !::tqt_cast<TQAction*>(o) )
 	    continue;
 	TQAction *ac = (TQAction*)o;
-	bool isGroup = ::qt_cast<TQActionGroup*>(ac);
+	bool isGroup = ::tqt_cast<TQActionGroup*>(ac);
 	if ( isGroup )
 	    ts << makeIndent( indent ) << "<actiongroup>" << endl;
 	else
@@ -3008,7 +3008,7 @@ void Resource::saveActions( const TQPtrList<TQAction> &actions, TQTextStream &ts
     TQPtrListIterator<TQAction> it( actions );
     while ( it.current() ) {
 	TQAction *a = it.current();
-	bool isGroup = ::qt_cast<TQActionGroup*>(a);
+	bool isGroup = ::tqt_cast<TQActionGroup*>(a);
 	if ( isGroup )
 	    ts << makeIndent( indent ) << "<actiongroup>" << endl;
 	else
@@ -3053,7 +3053,7 @@ void Resource::loadChildAction( TQObject *parent, const TQDomElement &e )
 	    }
 	    n2 = n2.nextSibling().toElement();
 	}
-	if ( !::qt_cast<TQAction*>(parent) )
+	if ( !::tqt_cast<TQAction*>(parent) )
 	    formwindow->actionList().append( a );
     } else if ( n.tagName() == "actiongroup" ) {
 	a = new TQDesignerActionGroup( parent );
@@ -3076,7 +3076,7 @@ void Resource::loadChildAction( TQObject *parent, const TQDomElement &e )
 	    }
 	    n2 = n2.nextSibling().toElement();
 	}
-	if ( !::qt_cast<TQAction*>(parent) )
+	if ( !::tqt_cast<TQAction*>(parent) )
 	    formwindow->actionList().append( a );
     }
 }
@@ -3112,10 +3112,10 @@ void Resource::saveToolBars( TQMainWindow *mw, TQTextStream &ts, int indent )
 	    saveObjectProperties( tb, ts, indent );
 	    TQPtrList<TQAction> actionList = ( (TQDesignerToolBar*)tb )->insertedActions();
 	    for ( TQAction *a = actionList.first(); a; a = actionList.next() ) {
-		if ( ::qt_cast<TQSeparatorAction*>(a) ) {
+		if ( ::tqt_cast<TQSeparatorAction*>(a) ) {
 		    ts << makeIndent( indent ) << "<separator/>" << endl;
 		} else {
-		    if ( ::qt_cast<TQDesignerAction*>(a) && !( (TQDesignerAction*)a )->supportsMenu() ) {
+		    if ( ::tqt_cast<TQDesignerAction*>(a) && !( (TQDesignerAction*)a )->supportsMenu() ) {
 			TQWidget *w = ( (TQDesignerAction*)a )->widget();
 			ts <<  makeIndent( indent ) << "<widget class=\""
 			   << WidgetFactory::classNameOf( w ) << "\">" << endl;
@@ -3174,11 +3174,11 @@ void Resource::savePopupMenu( PopupMenuEditor *pm, TQMainWindow *mw, TQTextStrea
 {
     for ( PopupMenuEditorItem *i = pm->items()->first(); i; i = pm->items()->next() ) {
 	TQAction *a = i->action();
-	if ( ::qt_cast<TQSeparatorAction*>(a) )
+	if ( ::tqt_cast<TQSeparatorAction*>(a) )
 	    ts <<  makeIndent( indent ) << "<separator/>" << endl;
-	else if ( ::qt_cast<TQDesignerAction*>(a) )
+	else if ( ::tqt_cast<TQDesignerAction*>(a) )
 	    ts <<  makeIndent( indent ) << "<action name=\"" << a->name() << "\"/>" << endl;
-	else if  ( ::qt_cast<TQDesignerActionGroup*>(a) )
+	else if  ( ::tqt_cast<TQDesignerActionGroup*>(a) )
 	    ts <<  makeIndent( indent ) << "<actiongroup name=\"" << a->name() << "\"/>" << endl;
 	PopupMenuEditor *s =  i->subMenu();
 	if ( s && s->count() ) {
diff --git a/tools/designer/designer/sourceeditor.cpp b/tools/designer/designer/sourceeditor.cpp
index 167bccc9..823a39f0 100644
--- a/tools/designer/designer/sourceeditor.cpp
+++ b/tools/designer/designer/sourceeditor.cpp
@@ -82,7 +82,7 @@ void SourceEditor::setObject( TQObject *o, Project *p )
 	formWindow()->formFile()->setCodeEdited( FALSE );
 	formWindow()->formFile()->setEditor( 0 );
     }
-    if ( ::qt_cast<FormWindow*>(o) )
+    if ( ::tqt_cast<FormWindow*>(o) )
 	( (FormWindow*)o )->formFile()->setCodeEdited( TRUE );
     save();
     bool changed = FALSE;
@@ -124,9 +124,9 @@ TQString SourceEditor::sourceOfObject( TQObject *o, const TQString &,
     TQString txt;
     if ( !o )
 	return txt;
-    if ( ::qt_cast<FormWindow*>(o) )
+    if ( ::tqt_cast<FormWindow*>(o) )
 	txt = ( (FormWindow*)o )->formFile()->code();
-    else if ( ::qt_cast<SourceFile*>(o) )
+    else if ( ::tqt_cast<SourceFile*>(o) )
 	txt = ( (SourceFile*)o )->text();
     return txt;
 }
@@ -312,14 +312,14 @@ bool SourceEditor::saveAs()
 
 SourceFile *SourceEditor::sourceFile() const
 {
-    if ( !::qt_cast<SourceFile*>((TQObject *)obj) )
+    if ( !::tqt_cast<SourceFile*>((TQObject *)obj) )
 	return 0;
     return (SourceFile*)(TQObject*)obj;
 }
 
 FormWindow *SourceEditor::formWindow() const
 {
-    if ( !::qt_cast<FormWindow*>((TQObject *)obj) )
+    if ( !::tqt_cast<FormWindow*>((TQObject *)obj) )
 	return 0;
     return (FormWindow*)(TQObject*)obj;
 }
diff --git a/tools/designer/designer/tableeditorimpl.cpp b/tools/designer/designer/tableeditorimpl.cpp
index 4c760e0b..ecb6bec3 100644
--- a/tools/designer/designer/tableeditorimpl.cpp
+++ b/tools/designer/designer/tableeditorimpl.cpp
@@ -64,7 +64,7 @@ TableEditor::TableEditor( TQWidget* parent,  TQWidget *editWidget, FormWindow *f
     labelRowPixmap->setText( "" );
 
 #ifndef QT_NO_SQL
-    if ( !::qt_cast<TQDataTable*>(editTable) ) 
+    if ( !::tqt_cast<TQDataTable*>(editTable) ) 
 #endif
     {
 	labelFields->hide();
@@ -73,7 +73,7 @@ TableEditor::TableEditor( TQWidget* parent,  TQWidget *editWidget, FormWindow *f
 	labelTableValue->hide();
     }
 #ifndef QT_NO_SQL
-    if ( ::qt_cast<TQDataTable*>(editTable) ) {
+    if ( ::tqt_cast<TQDataTable*>(editTable) ) {
 	// ## why does this behave weird?
 	//	TabWidget->removePage( rows_tab );
 	//	rows_tab->hide();
@@ -81,7 +81,7 @@ TableEditor::TableEditor( TQWidget* parent,  TQWidget *editWidget, FormWindow *f
 	TabWidget->setTabEnabled( rows_tab, FALSE );
     }
 
-    if ( formWindow->project() && ::qt_cast<TQDataTable*>(editTable) ) {
+    if ( formWindow->project() && ::tqt_cast<TQDataTable*>(editTable) ) {
 	TQStringList lst = MetaDataBase::fakeProperty( editTable, "database" ).toStringList();
 	if ( lst.count() == 2 && !lst[ 0 ].isEmpty() && !lst[ 1 ].isEmpty() ) {
 	    TQStringList fields;
@@ -164,7 +164,7 @@ void TableEditor::currentColumnChanged( TQListBoxItem *i )
     editColumnText->blockSignals( FALSE );
 
 #ifndef QT_NO_SQL
-    if ( ::qt_cast<TQDataTable*>(editTable) ) {
+    if ( ::tqt_cast<TQDataTable*>(editTable) ) {
 	TQString s = *fieldMap.find( listColumns->index( i ) );
 	if ( s.isEmpty() )
 	    comboFields->setCurrentItem( 0 );
@@ -249,7 +249,7 @@ void TableEditor::newColumnClicked()
     listColumns->setCurrentItem( item );
     listColumns->setSelected( item, TRUE );
 #ifndef QT_NO_SQL
-    if ( ::qt_cast<TQDataTable*>(editTable) ) {
+    if ( ::tqt_cast<TQDataTable*>(editTable) ) {
 	comboFields->setFocus();
     } else
 #endif
diff --git a/tools/designer/designer/widgetaction.cpp b/tools/designer/designer/widgetaction.cpp
index 5869148e..694a0857 100644
--- a/tools/designer/designer/widgetaction.cpp
+++ b/tools/designer/designer/widgetaction.cpp
@@ -42,7 +42,7 @@ static TQStyle *windowsStyle = 0;
 
 void WidgetAction::addedTo( TQWidget *w, TQWidget *container )
 {
-    if ( ::qt_cast<TQToolButton*>(w) && ::qt_cast<TQScrollView*>(container->parent()->parent()) ) {
+    if ( ::tqt_cast<TQToolButton*>(w) && ::tqt_cast<TQScrollView*>(container->parent()->parent()) ) {
 	if ( !windowsStyle )
 	    windowsStyle = TQStyleFactory::create( "windows" );
 	w->setStyle( windowsStyle );
diff --git a/tools/designer/designer/widgetfactory.cpp b/tools/designer/designer/widgetfactory.cpp
index a05c6378..cf8d9a7a 100644
--- a/tools/designer/designer/widgetfactory.cpp
+++ b/tools/designer/designer/widgetfactory.cpp
@@ -108,7 +108,7 @@ FormWindow *find_formwindow( TQWidget *w )
     if ( !w )
 	return 0;
     for (;;) {
-	if ( ::qt_cast<FormWindow*>(w) )
+	if ( ::tqt_cast<FormWindow*>(w) )
 	    return (FormWindow*)w;
 	if ( !w->parentWidget() )
 	    return 0;
@@ -538,7 +538,7 @@ TQWidget *WidgetFactory::create( int id, TQWidget *parent, const char *name, boo
     TQString str = WidgetDatabase::createWidgetName( id );
     const char *s = str.latin1();
     w = createWidget( n, parent, name ? name : s, init, r, orient );
-    if ( ::qt_cast<TQScrollView*>(w) )
+    if ( ::tqt_cast<TQScrollView*>(w) )
 	( (TQScrollView*)w )->disableSizeHintCaching();
     if ( !w && WidgetDatabase::isCustomWidget( id ) )
 	w = createCustomWidget( parent, name ? name : s, MetaDataBase::customWidget( id ) );
@@ -566,31 +566,31 @@ TQLayout *WidgetFactory::createLayout( TQWidget *widget, TQLayout *layout, Layou
     int metaspacing = MetaDataBase::spacing( widget );
     int metamargin = MetaDataBase::margin( widget );
 
-    if ( ::qt_cast<TQLayoutWidget*>(widget) &&
+    if ( ::tqt_cast<TQLayoutWidget*>(widget) &&
 	 ( WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( widget ) ) ) ||
-	   widget && ::qt_cast<FormWindow*>(widget->parentWidget()) ) )
+	   widget && ::tqt_cast<FormWindow*>(widget->parentWidget()) ) )
 	margin = MainWindow::self->currentLayoutDefaultMargin();
 
-    if ( !layout && ::qt_cast<TQTabWidget*>(widget) )
+    if ( !layout && ::tqt_cast<TQTabWidget*>(widget) )
 	widget = ((TQTabWidget*)widget)->currentPage();
 
-    if ( !layout && ::qt_cast<TQWizard*>(widget) )
+    if ( !layout && ::tqt_cast<TQWizard*>(widget) )
 	widget = ((TQWizard*)widget)->currentPage();
 
-    if ( !layout && ::qt_cast<TQMainWindow*>(widget) )
+    if ( !layout && ::tqt_cast<TQMainWindow*>(widget) )
 	widget = ((TQMainWindow*)widget)->centralWidget();
 
-    if ( !layout && ::qt_cast<TQWidgetStack*>(widget) )
+    if ( !layout && ::tqt_cast<TQWidgetStack*>(widget) )
 	widget = ((TQWidgetStack*)widget)->visibleWidget();
 
-    if ( !layout && ::qt_cast<TQToolBox*>(widget) )
+    if ( !layout && ::tqt_cast<TQToolBox*>(widget) )
 	widget = ((TQToolBox*)widget)->currentItem();
 
     MetaDataBase::addEntry( widget );
 
     TQLayout *l = 0;
     int align = 0;
-    if ( !layout && ::qt_cast<TQGroupBox*>(widget) ) {
+    if ( !layout && ::tqt_cast<TQGroupBox*>(widget) ) {
 	TQGroupBox *gb = (TQGroupBox*)widget;
 	gb->setColumnLayout( 0, TQt::Vertical );
 	layout = gb->layout();
@@ -664,15 +664,15 @@ void WidgetFactory::deleteLayout( TQWidget *widget )
     if ( !widget )
 	return;
 
-    if ( ::qt_cast<TQTabWidget*>(widget) )
+    if ( ::tqt_cast<TQTabWidget*>(widget) )
 	widget = ((TQTabWidget*)widget)->currentPage();
-    if ( ::qt_cast<TQWizard*>(widget) )
+    if ( ::tqt_cast<TQWizard*>(widget) )
 	widget = ((TQWizard*)widget)->currentPage();
-    if ( ::qt_cast<TQMainWindow*>(widget) )
+    if ( ::tqt_cast<TQMainWindow*>(widget) )
 	widget = ((TQMainWindow*)widget)->centralWidget();
-    if ( ::qt_cast<TQWidgetStack*>(widget) )
+    if ( ::tqt_cast<TQWidgetStack*>(widget) )
 	widget = ((TQWidgetStack*)widget)->visibleWidget();
-    if ( ::qt_cast<TQToolBox*>(widget) )
+    if ( ::tqt_cast<TQToolBox*>(widget) )
 	widget = ((TQToolBox*)widget)->currentItem();
     delete widget->layout();
 }
@@ -696,12 +696,12 @@ TQWidget *WidgetFactory::createWidget( const TQString &className, TQWidget *pare
 	    b = new TQDesignerPushButton( parent, name );
 	}
 	TQWidget *w = find_formwindow( b );
-	b->setAutoDefault( w && ::qt_cast<TQDialog*>(((FormWindow*)w)->mainContainer()) );
+	b->setAutoDefault( w && ::tqt_cast<TQDialog*>(((FormWindow*)w)->mainContainer()) );
 	return b;
     } else if ( className == "TQToolButton" ) {
 	if ( init ) {
 	    TQDesignerToolButton *tb = new TQDesignerToolButton( parent, name );
-	    if ( ::qt_cast<TQToolBox*>(widgetOfContainer(parent))) {
+	    if ( ::tqt_cast<TQToolBox*>(widgetOfContainer(parent))) {
 		tb->setUsesTextLabel(TRUE);
 		tb->setTextLabel("...");
 		tb->setAutoRaise(TRUE);
@@ -834,12 +834,12 @@ TQWidget *WidgetFactory::createWidget( const TQString &className, TQWidget *pare
 	return new TQComboBox( FALSE, parent, name );
     } else if ( className == "TQWidget" ) {
 	if ( parent &&
-	     ( ::qt_cast<FormWindow*>(parent) ||
-	       ::qt_cast<TQWizard*>(parent) ||
-	       ::qt_cast<TQTabWidget*>(parent) ||
-	       ::qt_cast<TQWidgetStack*>(parent) ||
-	       ::qt_cast<TQToolBox*>(parent) ||
-	       ::qt_cast<TQMainWindow*>(parent) ) ) {
+	     ( ::tqt_cast<FormWindow*>(parent) ||
+	       ::tqt_cast<TQWizard*>(parent) ||
+	       ::tqt_cast<TQTabWidget*>(parent) ||
+	       ::tqt_cast<TQWidgetStack*>(parent) ||
+	       ::tqt_cast<TQToolBox*>(parent) ||
+	       ::tqt_cast<TQMainWindow*>(parent) ) ) {
 	    FormWindow *fw = find_formwindow( parent );
 	    if ( fw ) {
 		TQDesignerWidget *dw = new TQDesignerWidget( fw, parent, name );
@@ -850,12 +850,12 @@ TQWidget *WidgetFactory::createWidget( const TQString &className, TQWidget *pare
 	return new TQWidget( parent, name );
     } else if ( className == "TQDialog" ) {
 	TQDialog *dia = 0;
-	if ( ::qt_cast<FormWindow*>(parent) )
+	if ( ::tqt_cast<FormWindow*>(parent) )
 	    dia = new TQDesignerDialog( (FormWindow*)parent, parent, name );
 	else
 	    dia = new TQDialog( parent, name );
 #if defined(QT_NON_COMMERCIAL)
-	if ( ::qt_cast<MainWindow*>(parent) )
+	if ( ::tqt_cast<MainWindow*>(parent) )
 #else
 	if ( parent )
 #endif
@@ -864,12 +864,12 @@ TQWidget *WidgetFactory::createWidget( const TQString &className, TQWidget *pare
     } else if ( className == "TQWizard" ) {
 	TQWizard *wiz = new TQDesignerWizard( parent, name );
 #if defined(QT_NON_COMMERCIAL)
-	if ( ::qt_cast<MainWindow*>(parent) )
+	if ( ::tqt_cast<MainWindow*>(parent) )
 #else
 	if ( parent )
 #endif
 	    wiz->reparent( parent, TQPoint( 0, 0 ), TRUE );
-	if ( init && ::qt_cast<FormWindow*>(parent) ) {
+	if ( init && ::tqt_cast<FormWindow*>(parent) ) {
 	    TQDesignerWidget *dw = new TQDesignerWidget( (FormWindow*)parent, wiz, "WizardPage" );
 	    MetaDataBase::addEntry( dw );
 	    wiz->addPage( dw, FormWindow::tr( "Page" ) );
@@ -1011,25 +1011,25 @@ WidgetFactory::LayoutType WidgetFactory::layoutType( TQWidget *w, TQLayout *&lay
 {
     layout = 0;
 
-    if ( ::qt_cast<TQTabWidget*>(w) )
+    if ( ::tqt_cast<TQTabWidget*>(w) )
 	w = ((TQTabWidget*)w)->currentPage();
-    if ( ::qt_cast<TQWizard*>(w) )
+    if ( ::tqt_cast<TQWizard*>(w) )
 	w = ((TQWizard*)w)->currentPage();
-    if ( ::qt_cast<TQMainWindow*>(w) )
+    if ( ::tqt_cast<TQMainWindow*>(w) )
 	w = ((TQMainWindow*)w)->centralWidget();
-    if ( ::qt_cast<TQWidgetStack*>(w) )
+    if ( ::tqt_cast<TQWidgetStack*>(w) )
 	w = ((TQWidgetStack*)w)->visibleWidget();
-    if ( ::qt_cast<TQToolBox*>(w) )
+    if ( ::tqt_cast<TQToolBox*>(w) )
 	w = ((TQToolBox*)w)->currentItem();
 
-    if ( ::qt_cast<TQSplitter*>(w) )
+    if ( ::tqt_cast<TQSplitter*>(w) )
 	return ( (TQSplitter*)w )->orientation() == Horizontal ? HBox : VBox;
 
     if ( !w || !w->layout() )
 	return NoLayout;
     TQLayout *lay = w->layout();
 
-    if ( ::qt_cast<TQGroupBox*>(w) ) {
+    if ( ::tqt_cast<TQGroupBox*>(w) ) {
 	TQObjectList *l = lay->queryList( "TQLayout" );
 	if ( l && l->first() )
 	    lay = (TQLayout*)l->first();
@@ -1037,11 +1037,11 @@ WidgetFactory::LayoutType WidgetFactory::layoutType( TQWidget *w, TQLayout *&lay
     }
     layout = lay;
 
-    if ( ::qt_cast<TQHBoxLayout*>(lay) )
+    if ( ::tqt_cast<TQHBoxLayout*>(lay) )
 	return HBox;
-    else if ( ::qt_cast<TQVBoxLayout*>(lay) )
+    else if ( ::tqt_cast<TQVBoxLayout*>(lay) )
 	return VBox;
-    else if ( ::qt_cast<TQGridLayout*>(lay) )
+    else if ( ::tqt_cast<TQGridLayout*>(lay) )
 	return Grid;
     return NoLayout;
 }
@@ -1051,11 +1051,11 @@ WidgetFactory::LayoutType WidgetFactory::layoutType( TQWidget *w, TQLayout *&lay
 */
 WidgetFactory::LayoutType WidgetFactory::layoutType( TQLayout *layout )
 {
-    if ( ::qt_cast<TQHBoxLayout*>(layout) )
+    if ( ::tqt_cast<TQHBoxLayout*>(layout) )
 	return HBox;
-    else if ( ::qt_cast<TQVBoxLayout*>(layout) )
+    else if ( ::tqt_cast<TQVBoxLayout*>(layout) )
 	return VBox;
-    else if ( ::qt_cast<TQGridLayout*>(layout) )
+    else if ( ::tqt_cast<TQGridLayout*>(layout) )
 	return Grid;
     return NoLayout;
 }
@@ -1094,15 +1094,15 @@ TQWidget* WidgetFactory::containerOfWidget( TQWidget *w )
 {
     if ( !w )
 	return w;
-    if ( ::qt_cast<TQTabWidget*>(w) )
+    if ( ::tqt_cast<TQTabWidget*>(w) )
 	return ((TQTabWidget*)w)->currentPage();
-    if ( ::qt_cast<TQWizard*>(w) )
+    if ( ::tqt_cast<TQWizard*>(w) )
 	return ((TQWizard*)w)->currentPage();
-    if ( ::qt_cast<TQWidgetStack*>(w) )
+    if ( ::tqt_cast<TQWidgetStack*>(w) )
 	return ((TQWidgetStack*)w)->visibleWidget();
-    if ( ::qt_cast<TQToolBox*>(w) )
+    if ( ::tqt_cast<TQToolBox*>(w) )
 	return ((TQToolBox*)w)->currentItem();
-    if ( ::qt_cast<TQMainWindow*>(w) )
+    if ( ::tqt_cast<TQMainWindow*>(w) )
 	return ((TQMainWindow*)w)->centralWidget();
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
     if ( !WidgetDatabase::isCustomPluginWidget( WidgetDatabase::idFromClassName( classNameOf( w ) ) ) )
@@ -1134,16 +1134,16 @@ TQWidget* WidgetFactory::containerOfWidget( TQWidget *w )
 
 TQWidget* WidgetFactory::widgetOfContainer( TQWidget *w )
 {
-    if ( w && ::qt_cast<TQWidgetStack*>(w->parentWidget()) )
+    if ( w && ::tqt_cast<TQWidgetStack*>(w->parentWidget()) )
 	w = w->parentWidget();
     if ( w->parentWidget() && w->parentWidget()->parentWidget() &&
 	 w->parentWidget()->parentWidget()->parentWidget() &&
-	 ::qt_cast<TQToolBox*>(w->parentWidget()->parentWidget()->parentWidget()) )
+	 ::tqt_cast<TQToolBox*>(w->parentWidget()->parentWidget()->parentWidget()) )
 	return w->parentWidget()->parentWidget()->parentWidget();
     while ( w ) {
 	int id = WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( w ) );
 	if ( WidgetDatabase::isContainer( id ) ||
-	     w && ::qt_cast<FormWindow*>(w->parentWidget()) )
+	     w && ::tqt_cast<FormWindow*>(w->parentWidget()) )
 	    return w;
 	w = w->parentWidget();
     }
@@ -1166,21 +1166,21 @@ bool WidgetFactory::isPassiveInteractor( TQObject* o )
     if ( TQApplication::activePopupWidget() ) // if a popup is open, we have to make sure that this one is closed, else X might do funny things
 	return ( lastWasAPassiveInteractor = TRUE );
 
-    if ( ::qt_cast<TQTabBar*>(o) )
+    if ( ::tqt_cast<TQTabBar*>(o) )
 	return ( lastWasAPassiveInteractor = TRUE );
-    else if ( ::qt_cast<TQSizeGrip*>(o) )
+    else if ( ::tqt_cast<TQSizeGrip*>(o) )
 	return ( lastWasAPassiveInteractor = TRUE );
-    else if ( ::qt_cast<TQButton*>(o) &&
-	      ( ::qt_cast<TQTabBar*>(o->parent()) || ::qt_cast<TQToolBox*>(o->parent()) ) )
+    else if ( ::tqt_cast<TQButton*>(o) &&
+	      ( ::tqt_cast<TQTabBar*>(o->parent()) || ::tqt_cast<TQToolBox*>(o->parent()) ) )
 	return ( lastWasAPassiveInteractor = TRUE );
-    else if ( ::qt_cast<TQPushButton*>(o) && ::qt_cast<TQWizard*>(o->parent()) )
+    else if ( ::tqt_cast<TQPushButton*>(o) && ::tqt_cast<TQWizard*>(o->parent()) )
 	return ( lastWasAPassiveInteractor = TRUE );
-    else if ( ::qt_cast<TQMenuBar*>(o) && ::qt_cast<TQMainWindow*>(o->parent()) )
+    else if ( ::tqt_cast<TQMenuBar*>(o) && ::tqt_cast<TQMainWindow*>(o->parent()) )
 	return ( lastWasAPassiveInteractor = TRUE );
-//    else if ( ::qt_cast<TQDockWindowHandle*>(o) )
+//    else if ( ::tqt_cast<TQDockWindowHandle*>(o) )
     else if ( o->inherits( "TQDockWindowHandle" ) )
 	return ( lastWasAPassiveInteractor = TRUE );
-//    else if ( ::qt_cast<TQHideDock*>(o) )
+//    else if ( ::tqt_cast<TQHideDock*>(o) )
     else if ( o->inherits( "TQHideDock" ) )
 	return ( lastWasAPassiveInteractor = TRUE );
     else if ( qstrcmp( o->name(), "designer_wizardstack_button" ) == 0 )
@@ -1190,7 +1190,7 @@ bool WidgetFactory::isPassiveInteractor( TQObject* o )
 	return ( lastWasAPassiveInteractor = FALSE );
     WidgetInterface *iface = 0;
     TQWidget *w = (TQWidget*)o;
-    while ( !iface && w && !::qt_cast<FormWindow*>(w) ) {
+    while ( !iface && w && !::tqt_cast<FormWindow*>(w) ) {
 	widgetManager()->queryInterface( classNameOf( w ), &iface );
 	w = w->parentWidget();
     }
@@ -1223,46 +1223,46 @@ const char* WidgetFactory::classNameOf( TQObject* o )
 	return o->className();
     if (WidgetDatabase::isCustomPluginWidget(WidgetDatabase::idFromClassName(o->className())))
         return o->className();
-    else if ( ::qt_cast<TQDesignerTabWidget*>(o) )
+    else if ( ::tqt_cast<TQDesignerTabWidget*>(o) )
 	return "TQTabWidget";
-    else if ( ::qt_cast<TQDesignerWidgetStack*>(o) )
+    else if ( ::tqt_cast<TQDesignerWidgetStack*>(o) )
 	return "TQWidgetStack";
-    else if ( ::qt_cast<TQWidgetStack*>(o) )
+    else if ( ::tqt_cast<TQWidgetStack*>(o) )
 	return "TQWeDoNotWantToBreakTabWidget";
-    else if ( ::qt_cast<TQDesignerDialog*>(o) )
+    else if ( ::tqt_cast<TQDesignerDialog*>(o) )
 	return "TQDialog";
-    else if ( ::qt_cast<TQDesignerWidget*>(o) )
+    else if ( ::tqt_cast<TQDesignerWidget*>(o) )
 	return "TQWidget";
     else if ( o->inherits( "CustomWidget" ) )
 	return ( (CustomWidget*)o )->realClassName().latin1();
-    else if ( ::qt_cast<TQDesignerLabel*>(o) )
+    else if ( ::tqt_cast<TQDesignerLabel*>(o) )
 	return "TQLabel";
-    else if ( ::qt_cast<TQDesignerWizard*>(o) )
+    else if ( ::tqt_cast<TQDesignerWizard*>(o) )
 	return "TQWizard";
-    else if ( ::qt_cast<TQDesignerPushButton*>(o) )
+    else if ( ::tqt_cast<TQDesignerPushButton*>(o) )
 	return "TQPushButton";
-    else if ( ::qt_cast<TQDesignerToolButton*>(o) )
+    else if ( ::tqt_cast<TQDesignerToolButton*>(o) )
 	return "TQToolButton";
-    else if ( ::qt_cast<TQDesignerRadioButton*>(o) )
+    else if ( ::tqt_cast<TQDesignerRadioButton*>(o) )
 	return "TQRadioButton";
-    else if ( ::qt_cast<TQDesignerCheckBox*>(o) )
+    else if ( ::tqt_cast<TQDesignerCheckBox*>(o) )
 	return "TQCheckBox";
-    else if ( ::qt_cast<MenuBarEditor*>(o) )
+    else if ( ::tqt_cast<MenuBarEditor*>(o) )
 	return "TQMenuBar";
-    else if ( ::qt_cast<TQDesignerToolBar*>(o) )
+    else if ( ::tqt_cast<TQDesignerToolBar*>(o) )
 	return "TQToolBar";
-    else if ( ::qt_cast<TQDesignerAction*>(o) )
+    else if ( ::tqt_cast<TQDesignerAction*>(o) )
 	return "TQAction";
-    else if ( ::qt_cast<TQDesignerActionGroup*>(o) )
+    else if ( ::tqt_cast<TQDesignerActionGroup*>(o) )
 	return "TQActionGroup";
-    else if ( ::qt_cast<PopupMenuEditor*>(o) )
+    else if ( ::tqt_cast<PopupMenuEditor*>(o) )
 	return "TQPopupMenu";
-    else if ( ::qt_cast<TQDesignerToolBox*>(o) )
+    else if ( ::tqt_cast<TQDesignerToolBox*>(o) )
 	return "TQToolBox";
 #ifndef QT_NO_SQL
-    else if ( ::qt_cast<TQDesignerDataBrowser*>(o) )
+    else if ( ::tqt_cast<TQDesignerDataBrowser*>(o) )
 	return "TQDataBrowser";
-    else if ( ::qt_cast<TQDesignerDataView*>(o) )
+    else if ( ::tqt_cast<TQDesignerDataView*>(o) )
 	return "TQDataView";
 #endif
     return o->className();
@@ -1270,29 +1270,29 @@ const char* WidgetFactory::classNameOf( TQObject* o )
 
 TQString WidgetFactory::defaultSignal( TQObject *w )
 {
-    if ( ::qt_cast<TQRadioButton*>(w) || ::qt_cast<TQCheckBox*>(w) )
+    if ( ::tqt_cast<TQRadioButton*>(w) || ::tqt_cast<TQCheckBox*>(w) )
 	return "toggled";
-    else if ( ::qt_cast<TQButton*>(w) || ::qt_cast<TQButtonGroup*>(w) )
+    else if ( ::tqt_cast<TQButton*>(w) || ::tqt_cast<TQButtonGroup*>(w) )
 	return "clicked";
-    else if ( ::qt_cast<TQTextBrowser*>(w) )
+    else if ( ::tqt_cast<TQTextBrowser*>(w) )
 	return "linkClicked";
-    else if ( ::qt_cast<TQLineEdit*>(w) || ::qt_cast<TQTextEdit*>(w) )
+    else if ( ::tqt_cast<TQLineEdit*>(w) || ::tqt_cast<TQTextEdit*>(w) )
 	return "textChanged";
-    else if ( ::qt_cast<TQListView*>(w) || ::qt_cast<TQIconView*>(w) ||
-	      ::qt_cast<TQListBox*>(w) || ::qt_cast<TQTable*>(w) )
+    else if ( ::tqt_cast<TQListView*>(w) || ::tqt_cast<TQIconView*>(w) ||
+	      ::tqt_cast<TQListBox*>(w) || ::tqt_cast<TQTable*>(w) )
 	return "selectionChanged";
-    else if ( ::qt_cast<TQTabWidget*>(w) )
+    else if ( ::tqt_cast<TQTabWidget*>(w) )
 	return "selected";
-    else if ( ::qt_cast<TQToolBox*>(w) )
+    else if ( ::tqt_cast<TQToolBox*>(w) )
 	return "currentChanged";
-    else if ( ::qt_cast<TQWidgetStack*>(w) )
+    else if ( ::tqt_cast<TQWidgetStack*>(w) )
 	return "aboutToShow";
-    else if ( ::qt_cast<TQSpinBox*>(w) || ::qt_cast<TQSlider*>(w) ||
-	      ::qt_cast<TQScrollBar*>(w) || ::qt_cast<TQDateEdit*>(w) ||
-	      ::qt_cast<TQTimeEdit*>(w) || ::qt_cast<TQDateTimeEdit*>(w) ||
-	      ::qt_cast<TQDial*>(w) )
+    else if ( ::tqt_cast<TQSpinBox*>(w) || ::tqt_cast<TQSlider*>(w) ||
+	      ::tqt_cast<TQScrollBar*>(w) || ::tqt_cast<TQDateEdit*>(w) ||
+	      ::tqt_cast<TQTimeEdit*>(w) || ::tqt_cast<TQDateTimeEdit*>(w) ||
+	      ::tqt_cast<TQDial*>(w) )
 	return "valueChanged";
-    else if ( ::qt_cast<TQComboBox*>(w) )
+    else if ( ::tqt_cast<TQComboBox*>(w) )
 	return "activated";
     return TQString::null;
 }
@@ -1308,14 +1308,14 @@ void WidgetFactory::initChangedProperties( TQObject *o )
 	 MainWindow::self->currProject()->fakeFormFileFor( o ) )
 	return;
     MetaDataBase::setPropertyChanged( o, "name", TRUE );
-    if ( !::qt_cast<TQDesignerToolBar*>(o) && !::qt_cast<MenuBarEditor*>(o) )
+    if ( !::tqt_cast<TQDesignerToolBar*>(o) && !::tqt_cast<MenuBarEditor*>(o) )
 	MetaDataBase::setPropertyChanged( o, "geometry", TRUE );
 
-    if ( ::qt_cast<TQPushButton*>(o) ||
-	 ::qt_cast<TQRadioButton*>(o) ||
-	 ::qt_cast<TQCheckBox*>(o) ||
-	 ::qt_cast<TQToolButton*>(o) ) {
-	if (::qt_cast<TQToolButton*>(o) && ::qt_cast<TQToolBox*>(widgetOfContainer((TQWidget*)o->parent()))) {
+    if ( ::tqt_cast<TQPushButton*>(o) ||
+	 ::tqt_cast<TQRadioButton*>(o) ||
+	 ::tqt_cast<TQCheckBox*>(o) ||
+	 ::tqt_cast<TQToolButton*>(o) ) {
+	if (::tqt_cast<TQToolButton*>(o) && ::tqt_cast<TQToolBox*>(widgetOfContainer((TQWidget*)o->parent()))) {
 	    MetaDataBase::setPropertyChanged( o, "usesTextLabel", TRUE );
 	    MetaDataBase::setPropertyChanged( o, "textLabel", TRUE );
 	    MetaDataBase::setPropertyChanged( o, "autoRaise", TRUE );
@@ -1324,19 +1324,19 @@ void WidgetFactory::initChangedProperties( TQObject *o )
 	    MetaDataBase::setPropertyChanged( o, "text", TRUE );
 	}
     }
-    else if ( ::qt_cast<TQGroupBox*>(o) )
+    else if ( ::tqt_cast<TQGroupBox*>(o) )
 	MetaDataBase::setPropertyChanged( o, "title", TRUE );
     else if ( o->isA( "TQFrame" ) ) {
 	MetaDataBase::setPropertyChanged( o, "frameShadow", TRUE );
 	MetaDataBase::setPropertyChanged( o, "frameShape", TRUE );
-    } else if ( ::qt_cast<TQTabWidget*>(o) || ::qt_cast<TQWizard*>(o) ) {
+    } else if ( ::tqt_cast<TQTabWidget*>(o) || ::tqt_cast<TQWizard*>(o) ) {
 	MetaDataBase::setPropertyChanged( o, "pageTitle", TRUE );
 	MetaDataBase::setPropertyChanged( o, "pageName", TRUE );
 	MetaDataBase::setPropertyChanged( o, "currentPage", TRUE );
-    } else if ( ::qt_cast<TQWidgetStack*>(o) ) {
+    } else if ( ::tqt_cast<TQWidgetStack*>(o) ) {
 	MetaDataBase::setPropertyChanged( o, "currentPage", TRUE );
 	MetaDataBase::setPropertyChanged( o, "pageName", TRUE );
-    } else if ( ::qt_cast<TQToolBox*>(o) ) {
+    } else if ( ::tqt_cast<TQToolBox*>(o) ) {
 	MetaDataBase::setPropertyChanged( o, "currentIndex", TRUE );
 	MetaDataBase::setPropertyChanged( o, "itemName", TRUE );
 	MetaDataBase::setPropertyChanged( o, "itemLabel", TRUE );
@@ -1344,9 +1344,9 @@ void WidgetFactory::initChangedProperties( TQObject *o )
 	MetaDataBase::setPropertyChanged( o, "itemToolTip", TRUE );
 	MetaDataBase::setPropertyChanged( o, "itemBackgroundMode", TRUE );
 #ifndef QT_NO_TABLE
-    } else if ( ::qt_cast<TQTable*>(o) ) {
+    } else if ( ::tqt_cast<TQTable*>(o) ) {
 #  ifndef QT_NO_SQL
-        if (!::qt_cast<TQDataTable*>(o) )
+        if (!::tqt_cast<TQDataTable*>(o) )
 #  endif
         {
             MetaDataBase::setPropertyChanged( o, "numRows", TRUE );
@@ -1358,11 +1358,11 @@ void WidgetFactory::initChangedProperties( TQObject *o )
             }
         }
 #endif
-    } else if ( ::qt_cast<TQSplitter*>(o)  ) {
+    } else if ( ::tqt_cast<TQSplitter*>(o)  ) {
 	MetaDataBase::setPropertyChanged( o, "orientation", TRUE );
-    } else if ( ::qt_cast<TQDesignerToolBar*>(o)  ) {
+    } else if ( ::tqt_cast<TQDesignerToolBar*>(o)  ) {
 	MetaDataBase::setPropertyChanged( o, "label", TRUE );
-    } else if ( ::qt_cast<MenuBarEditor*>(o)  ) {
+    } else if ( ::tqt_cast<MenuBarEditor*>(o)  ) {
 	MetaDataBase::setPropertyChanged( o, "itemName", TRUE );
 	MetaDataBase::setPropertyChanged( o, "itemNumber", TRUE );
 	MetaDataBase::setPropertyChanged( o, "itemText", TRUE );
@@ -1383,7 +1383,7 @@ bool WidgetFactory::hasSpecialEditor( int id, TQObject *editorWidget )
 	return TRUE;
     if ( className == "TQTextEdit" || className == "TQMultiLineEdit" )
 	return TRUE;
-    if ( ::qt_cast<TQTable*>(editorWidget) != 0 )
+    if ( ::tqt_cast<TQTable*>(editorWidget) != 0 )
 	return TRUE;
 
     return FALSE;
@@ -1395,7 +1395,7 @@ bool WidgetFactory::hasItems( int id, TQObject *editorWidget )
 
     if ( className.contains( "ListBox" ) || className.contains( "ListView" ) ||
 	 className.contains( "IconView" )  || className.contains( "ComboBox" ) ||
-	 ::qt_cast<TQTable*>(editorWidget) != 0 )
+	 ::tqt_cast<TQTable*>(editorWidget) != 0 )
 	return TRUE;
 
     return FALSE;
@@ -1406,7 +1406,7 @@ void WidgetFactory::editWidget( int id, TQWidget *parent, TQWidget *editWidget,
     TQString className = WidgetDatabase::className( id );
 
     if ( className.contains( "ListBox" ) ) {
-	if ( !::qt_cast<TQListBox*>(editWidget) )
+	if ( !::tqt_cast<TQListBox*>(editWidget) )
 	    return;
 	ListBoxEditor *e = new ListBoxEditor( parent, editWidget, fw );
 	e->exec();
@@ -1415,7 +1415,7 @@ void WidgetFactory::editWidget( int id, TQWidget *parent, TQWidget *editWidget,
     }
 
     if ( className.contains( "ComboBox" ) ) {
-	if ( !::qt_cast<TQComboBox*>(editWidget) )
+	if ( !::tqt_cast<TQComboBox*>(editWidget) )
 	    return;
 	TQComboBox *cb = (TQComboBox*)editWidget;
         TQListBox *lb = cb->listBox();
@@ -1431,7 +1431,7 @@ void WidgetFactory::editWidget( int id, TQWidget *parent, TQWidget *editWidget,
     }
 
     if ( className.contains( "ListView" ) ) {
-	if ( !::qt_cast<TQListView*>(editWidget) )
+	if ( !::tqt_cast<TQListView*>(editWidget) )
 	    return;
 	TQListView *lv = (TQListView*)editWidget;
 	ListViewEditor *e = new ListViewEditor( parent, lv, fw );
@@ -1441,7 +1441,7 @@ void WidgetFactory::editWidget( int id, TQWidget *parent, TQWidget *editWidget,
     }
 
     if ( className.contains( "IconView" ) ) {
-	if ( !::qt_cast<TQIconView*>(editWidget) )
+	if ( !::tqt_cast<TQIconView*>(editWidget) )
 	    return;
 	IconViewEditor *e = new IconViewEditor( parent, editWidget, fw );
 	e->exec();
@@ -1456,7 +1456,7 @@ void WidgetFactory::editWidget( int id, TQWidget *parent, TQWidget *editWidget,
 	return;
     }
 #ifndef QT_NO_TABLE
-    if (::qt_cast<TQTable*>(editWidget) != 0) {
+    if (::tqt_cast<TQTable*>(editWidget) != 0) {
 	TableEditor *e = new TableEditor( parent, editWidget, fw );
 	e->exec();
 	delete e;
@@ -1639,15 +1639,15 @@ void TQLayoutWidget::updateSizePolicy()
 	if ( parent() && parent()->isWidgetType() ) {
 	    parentLayout = ((TQWidget *)parent())->layout();
 	    if ( parentLayout &&
-		 ::qt_cast<TQLayoutWidget*>(parentLayout->mainWidget()) )
+		 ::tqt_cast<TQLayoutWidget*>(parentLayout->mainWidget()) )
 		parentLayout = 0;
 	}
 
 	TQObjectListIt it( *children() );
 	TQObject *o;
 
-	if ( ::qt_cast<TQVBoxLayout*>(layout()) ) {
-	    if ( ::qt_cast<TQHBoxLayout*>(parentLayout) )
+	if ( ::tqt_cast<TQVBoxLayout*>(layout()) ) {
+	    if ( ::tqt_cast<TQHBoxLayout*>(parentLayout) )
 		vt = TQSizePolicy::Minimum;
 	    else
 		vt = TQSizePolicy::Fixed;
@@ -1667,8 +1667,8 @@ void TQLayoutWidget::updateSizePolicy()
 		if ( w->sizePolicy().mayShrinkVertically() )
 		    vt |= TQSizePolicy::Maximum;
 	    }
-	} else if ( ::qt_cast<TQHBoxLayout*>(layout()) ) {
-	    if ( ::qt_cast<TQVBoxLayout*>(parentLayout) )
+	} else if ( ::tqt_cast<TQHBoxLayout*>(layout()) ) {
+	    if ( ::tqt_cast<TQVBoxLayout*>(parentLayout) )
 		ht = TQSizePolicy::Minimum;
 	    else
 		ht = TQSizePolicy::Fixed;
@@ -1688,13 +1688,13 @@ void TQLayoutWidget::updateSizePolicy()
 		if ( !w->sizePolicy().mayShrinkVertically() )
 		    vt &= ~TQSizePolicy::Maximum;
 	    }
-	} else if ( ::qt_cast<TQGridLayout*>(layout()) ) {
+	} else if ( ::tqt_cast<TQGridLayout*>(layout()) ) {
 	    ht = TQSizePolicy::Fixed;
 	    vt = TQSizePolicy::Fixed;
 	    if ( parentLayout ) {
-		if ( ::qt_cast<TQVBoxLayout*>(parentLayout) )
+		if ( ::tqt_cast<TQVBoxLayout*>(parentLayout) )
 		    ht = TQSizePolicy::Minimum;
-		else if ( ::qt_cast<TQHBoxLayout*>(parentLayout) )
+		else if ( ::tqt_cast<TQHBoxLayout*>(parentLayout) )
 		    vt = TQSizePolicy::Minimum;
 	    }
 
@@ -1728,7 +1728,7 @@ void TQLayoutWidget::updateSizePolicy()
 
 void CustomWidget::paintEvent( TQPaintEvent *e )
 {
-    if ( ::qt_cast<FormWindow*>(parentWidget()) ) {
+    if ( ::tqt_cast<FormWindow*>(parentWidget()) ) {
 	( (FormWindow*)parentWidget() )->paintGrid( this, e );
     } else {
 	TQPainter p( this );
diff --git a/tools/designer/editor/browser.cpp b/tools/designer/editor/browser.cpp
index 42c3d4e0..d32e8551 100644
--- a/tools/designer/editor/browser.cpp
+++ b/tools/designer/editor/browser.cpp
@@ -57,7 +57,7 @@ EditorBrowser::~EditorBrowser()
 
 bool EditorBrowser::eventFilter( TQObject *o, TQEvent *e )
 {
-    if ( ::qt_cast<Editor*>(o->parent()) || ::qt_cast<Editor*>(o) ) {
+    if ( ::tqt_cast<Editor*>(o->parent()) || ::tqt_cast<Editor*>(o) ) {
 	TQMouseEvent *me;
 	TQKeyEvent *ke;
 	switch ( e->type() ) {
diff --git a/tools/designer/editor/completion.cpp b/tools/designer/editor/completion.cpp
index f0923c55..ecd1e73b 100644
--- a/tools/designer/editor/completion.cpp
+++ b/tools/designer/editor/completion.cpp
@@ -327,7 +327,7 @@ bool EditorCompletion::eventFilter( TQObject *o, TQEvent *e )
 {
     if ( !enabled )
 	return FALSE;
-    if ( e->type() == TQEvent::KeyPress && ::qt_cast<Editor*>(o)) {
+    if ( e->type() == TQEvent::KeyPress && ::tqt_cast<Editor*>(o)) {
 	curEditor = (Editor*)o;
 	TQKeyEvent *ke = (TQKeyEvent*)e;
 	if ( ke->key() == Key_Tab ) {
@@ -423,7 +423,7 @@ bool EditorCompletion::eventFilter( TQObject *o, TQEvent *e )
 	    return TRUE;
 	}
     }
-    if ( o == functionLabel || ::qt_cast<Editor*>(o) && functionLabel->isVisible() ) {
+    if ( o == functionLabel || ::tqt_cast<Editor*>(o) && functionLabel->isVisible() ) {
 	if ( e->type() == TQEvent::KeyPress ) {
 	    TQKeyEvent *ke = (TQKeyEvent*)e;
 	    if ( ke->key() == Key_Escape ) {
diff --git a/tools/designer/editor/viewmanager.cpp b/tools/designer/editor/viewmanager.cpp
index def74705..96c106f0 100644
--- a/tools/designer/editor/viewmanager.cpp
+++ b/tools/designer/editor/viewmanager.cpp
@@ -97,7 +97,7 @@ TQWidget *ViewManager::currentView() const
 
 void ViewManager::childEvent( TQChildEvent *e )
 {
-    if ( e->type() == TQEvent::ChildInserted && ::qt_cast<Editor*>(e->child()) )
+    if ( e->type() == TQEvent::ChildInserted && ::tqt_cast<Editor*>(e->child()) )
 	addView( (TQWidget*)e->child() );
     TQWidget::childEvent( e );
 }
diff --git a/tools/designer/plugins/cppeditor/cppbrowser.cpp b/tools/designer/plugins/cppeditor/cppbrowser.cpp
index 8d3e68bc..8d03931b 100644
--- a/tools/designer/plugins/cppeditor/cppbrowser.cpp
+++ b/tools/designer/plugins/cppeditor/cppbrowser.cpp
@@ -72,7 +72,7 @@ void CppEditorBrowser::showHelp( const TQString &w )
 	}
     }
 
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(curEditor->topLevelWidget());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(curEditor->topLevelWidget());
     if ( mw )
 	mw->statusBar()->message( tr( "Nothing available for '%1'" ).arg( w ), 1500 );
 }
diff --git a/tools/designer/plugins/wizards/sqlformwizardimpl.cpp b/tools/designer/plugins/wizards/sqlformwizardimpl.cpp
index 580780de..a89cb8d3 100644
--- a/tools/designer/plugins/wizards/sqlformwizardimpl.cpp
+++ b/tools/designer/plugins/wizards/sqlformwizardimpl.cpp
@@ -69,18 +69,18 @@ SqlFormWizard::SqlFormWizard( TQUnknownInterface *aIface, TQWidget *w,
     setFinishEnabled( finishPage, TRUE );
 
     /* set mode of operation */
-    if ( ::qt_cast<TQDataTable*>(widget) ) {
+    if ( ::tqt_cast<TQDataTable*>(widget) ) {
 	setCaption( "Data Table Wizard" );
 	mode = Table;
 	setAppropriate( navigPage, FALSE );
 	setAppropriate( layoutPage, FALSE );
 	checkBoxAutoEdit->setChecked( FALSE );
-    } else if ( ::qt_cast<TQDataBrowser*>(widget) ) {
+    } else if ( ::tqt_cast<TQDataBrowser*>(widget) ) {
 	setCaption( "Data Browser Wizard" );
 	setAppropriate( tablePropertiesPage, FALSE );
 	mode = Browser;
 	checkBoxAutoEdit->setChecked( TRUE );
-    } else if ( ::qt_cast<TQDataView*>(widget) ) {
+    } else if ( ::tqt_cast<TQDataView*>(widget) ) {
 	setCaption( "Data View Wizard" );
 	setAppropriate( tablePropertiesPage, FALSE );
 	setAppropriate( navigPage, FALSE );
@@ -450,7 +450,7 @@ void SqlFormWizard::accept()
 		((TQLineEdit*)editor)->setAlignment( TQt::AlignRight );
 		formWindow->setPropertyChanged( editor, "alignment", TRUE );
 	    }
-	    if ( ::qt_cast<TQSpinBox*>(editor) ) {
+	    if ( ::tqt_cast<TQSpinBox*>(editor) ) {
 		( (TQSpinBox*)editor )->setMaxValue( INT_MAX );
 		formWindow->setPropertyChanged( editor, "maxValue", TRUE );
 	    }
diff --git a/tools/designer/uilib/qwidgetfactory.cpp b/tools/designer/uilib/qwidgetfactory.cpp
index d1844bb2..e126e937 100644
--- a/tools/designer/uilib/qwidgetfactory.cpp
+++ b/tools/designer/uilib/qwidgetfactory.cpp
@@ -861,7 +861,7 @@ void TQWidgetFactory::inputItem( const UibStrTable& strings, TQDataStream& in,
 	if ( parent != 0 ) {
 	    if ( parent->inherits("TQComboBox") ||
 		 parent->inherits("TQListBox") ) {
-		TQListBox *listBox = (TQListBox *) parent->qt_cast( "TQListBox" );
+		TQListBox *listBox = (TQListBox *) parent->tqt_cast( "TQListBox" );
 		if ( listBox == 0 )
 		    listBox = ((TQComboBox *) parent)->listBox();
 
@@ -1230,7 +1230,7 @@ TQWidget *TQWidgetFactory::createFromUibFile( TQDataStream& in,
 		    unpackUInt16( in, labelNo );
 		    unpackUInt16( in, buddyNo );
 		    TQLabel *label =
-			(TQLabel *) objects[labelNo]->qt_cast( "TQLabel" );
+			(TQLabel *) objects[labelNo]->tqt_cast( "TQLabel" );
 		    if ( label != 0 )
 			label->setBuddy( (TQWidget *) objects[buddyNo] );
 		} while ( !END_OF_BLOCK() );
diff --git a/tools/linguist/linguist/msgedit.cpp b/tools/linguist/linguist/msgedit.cpp
index 86c3b55d..5148f5b8 100644
--- a/tools/linguist/linguist/msgedit.cpp
+++ b/tools/linguist/linguist/msgedit.cpp
@@ -552,7 +552,7 @@ bool MessageEditor::eventFilter( TQObject *o, TQEvent *e )
 	TQKeyEvent * ke = (TQKeyEvent*)e;
 	const int k = ke->key();
 
-	if ( ::qt_cast<TQTextEdit*>(o) ) {
+	if ( ::tqt_cast<TQTextEdit*>(o) ) {
 	    if ( e->type() == TQEvent::KeyPress ) {
 		// Hardcode the Tab key to do focus changes when pressed
 		// inside the editor
@@ -588,7 +588,7 @@ bool MessageEditor::eventFilter( TQObject *o, TQEvent *e )
 		    break;
 		}
 	    }
-	} else if ( ::qt_cast<TQListView*>(o) ) {
+	} else if ( ::tqt_cast<TQListView*>(o) ) {
 	    // handle the ESC key in the list views
 	    if ( e->type() == TQEvent::KeyRelease && k == Key_Escape )
 		editorPage->translationMed->setFocus();