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+/* This file is part of the KDE libraries
+ Copyright (C) 2002 David Faure <faure@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+//
+// File previews configuration
+//
+
+#include <qcheckbox.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qwhatsthis.h>
+
+#include <dcopclient.h>
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kdialog.h>
+#include <kglobal.h>
+#include <klistview.h>
+#include <klocale.h>
+#include <knuminput.h>
+#include <kprotocolinfo.h>
+
+#include "previews.h"
+
+//-----------------------------------------------------------------------------
+
+class PreviewCheckListItem : public QCheckListItem
+{
+ public:
+ PreviewCheckListItem( QListView *parent, const QString &text )
+ : QCheckListItem( parent, text, CheckBoxController )
+ {}
+
+ PreviewCheckListItem( QListViewItem *parent, const QString &text )
+ : QCheckListItem( parent, text, CheckBox )
+ {}
+
+ protected:
+ void stateChange( bool )
+ {
+ static_cast<KPreviewOptions *>( listView()->parent() )->changed();
+ }
+};
+
+KPreviewOptions::KPreviewOptions( QWidget *parent, const char */*name*/ )
+ : KCModule( parent, "kcmkonq" )
+{
+ QVBoxLayout *lay = new QVBoxLayout(this, 0, KDialog::spacingHint());
+
+ lay->addWidget( new QLabel( i18n("<p>Allow previews, \"Folder Icons Reflect Contents\", and "
+ "retrieval of meta-data on protocols:</p>"), this ) );
+
+ setQuickHelp( i18n("<h1>Preview Options</h1> Here you can modify the behavior "
+ "of Konqueror when it shows the files in a folder."
+ "<h2>The list of protocols:</h2> check the protocols over which "
+ "previews should be shown; uncheck those over which they should not. "
+ "For instance, you might want to show previews over SMB if the local "
+ "network is fast enough, but you might disable it for FTP if you often "
+ "visit very slow FTP sites with large images."
+ "<h2>Maximum File Size:</h2> select the maximum file size for which "
+ "previews should be generated. For instance, if set to 1 MB (the default), "
+ "no preview will be generated for files bigger than 1 MB, for speed reasons."));
+
+ // Listview containing checkboxes for all protocols that support listing
+ KListView *listView = new KListView( this, "listView" );
+ listView->addColumn( i18n( "Select Protocols" ) );
+ listView->setFullWidth( true );
+
+ QHBoxLayout *hbox = new QHBoxLayout( lay );
+ hbox->addWidget( listView );
+ hbox->addStretch();
+
+ PreviewCheckListItem *localItems = new PreviewCheckListItem( listView,
+ i18n( "Local Protocols" ) );
+ PreviewCheckListItem *inetItems = new PreviewCheckListItem( listView,
+ i18n( "Internet Protocols" ) );
+
+ QStringList protocolList = KProtocolInfo::protocols();
+ protocolList.sort();
+ QStringList::Iterator it = protocolList.begin();
+
+ KURL url;
+ url.setPath("/");
+
+ for ( ; it != protocolList.end() ; ++it )
+ {
+ url.setProtocol( *it );
+ if ( KProtocolInfo::supportsListing( url ) )
+ {
+ QCheckListItem *item;
+ if ( KProtocolInfo::protocolClass( *it ) == ":local" )
+ item = new PreviewCheckListItem( localItems, ( *it ) );
+ else
+ item = new PreviewCheckListItem( inetItems, ( *it ) );
+
+ m_items.append( item );
+ }
+ }
+
+ listView->setOpen( localItems, true );
+ listView->setOpen( inetItems, true );
+
+ QWhatsThis::add( listView,
+ i18n("This option makes it possible to choose when the file previews, "
+ "smart folder icons, and meta-data in the File Manager should be activated.\n"
+ "In the list of protocols that appear, select which ones are fast "
+ "enough for you to allow previews to be generated.") );
+
+ QLabel *label = new QLabel( i18n( "&Maximum file size:" ), this );
+ lay->addWidget( label );
+
+ m_maxSize = new KDoubleNumInput( this );
+ m_maxSize->setSuffix( i18n(" MB") );
+ m_maxSize->setRange( 0.02, 10, 0.02, true );
+ m_maxSize->setPrecision( 1 );
+ label->setBuddy( m_maxSize );
+ lay->addWidget( m_maxSize );
+ connect( m_maxSize, SIGNAL( valueChanged(double) ), SLOT( changed() ) );
+
+ m_boostSize = new QCheckBox(i18n("&Increase size of previews relative to icons"), this);
+ connect( m_boostSize, SIGNAL( toggled(bool) ), SLOT( changed() ) );
+ lay->addWidget(m_boostSize);
+
+ m_useFileThumbnails = new QCheckBox(i18n("&Use thumbnails embedded in files"), this);
+ connect( m_useFileThumbnails, SIGNAL( toggled(bool) ), SLOT( changed() ) );
+
+ lay->addWidget(m_useFileThumbnails);
+
+ QWhatsThis::add( m_useFileThumbnails,
+ i18n("Select this to use thumbnails that are found inside some "
+ "file types (e.g. JPEG). This will increase speed and reduce "
+ "disk usage. Deselect it if you have files that have been processed "
+ "by programs which create inaccurate thumbnails, such as ImageMagick.") );
+
+ lay->addWidget( new QWidget(this), 10 );
+
+ load();
+}
+
+// Default: 1 MB
+#define DEFAULT_MAXSIZE (1024*1024)
+
+void KPreviewOptions::load(bool useDefaults)
+{
+ // *** load and apply to GUI ***
+ KGlobal::config()->setReadDefaults(useDefaults);
+ KConfigGroup group( KGlobal::config(), "PreviewSettings" );
+ QPtrListIterator<QCheckListItem> it( m_items );
+
+ for ( ; it.current() ; ++it ) {
+ QString protocol( it.current()->text() );
+ if ( ( protocol == "file" ) && ( !group.hasKey ( protocol ) ) )
+ // file should be enabled in case is not defined because if not so
+ // than preview's lost when size is changed from default one
+ it.current()->setOn( true );
+ else
+ it.current()->setOn( group.readBoolEntry( protocol, false ) );
+ }
+ // config key is in bytes (default value 1MB), numinput is in MB
+ m_maxSize->setValue( ((double)group.readNumEntry( "MaximumSize", DEFAULT_MAXSIZE )) / (1024*1024) );
+
+ m_boostSize->setChecked( group.readBoolEntry( "BoostSize", false /*default*/ ) );
+ m_useFileThumbnails->setChecked( group.readBoolEntry( "UseFileThumbnails", true /*default*/ ) );
+ KGlobal::config()->setReadDefaults(false);
+}
+
+void KPreviewOptions::load()
+{
+ load(false);
+}
+
+void KPreviewOptions::defaults()
+{
+ load(true);
+}
+
+void KPreviewOptions::save()
+{
+ KConfigGroup group( KGlobal::config(), "PreviewSettings" );
+ QPtrListIterator<QCheckListItem> it( m_items );
+ for ( ; it.current() ; ++it ) {
+ QString protocol( it.current()->text() );
+ group.writeEntry( protocol, it.current()->isOn(), true, true );
+ }
+ // config key is in bytes, numinput is in MB
+ group.writeEntry( "MaximumSize", qRound( m_maxSize->value() *1024*1024 ), true, true );
+ group.writeEntry( "BoostSize", m_boostSize->isChecked(), true, true );
+ group.writeEntry( "UseFileThumbnails", m_useFileThumbnails->isChecked(), true, true );
+ group.sync();
+
+ // Send signal to konqueror
+ // Warning. In case something is added/changed here, keep kfmclient in sync
+ QByteArray data;
+ if ( !kapp->dcopClient()->isAttached() )
+ kapp->dcopClient()->attach();
+ kapp->dcopClient()->send( "konqueror*", "KonquerorIface", "reparseConfiguration()", data );
+}
+
+void KPreviewOptions::changed()
+{
+ emit KCModule::changed(true);
+}
+
+#include "previews.moc"