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