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/* This file is part of the KDE project
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Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* $Id$ */
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#include "kviewpresenter.h"
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#include "imagelistdialog.h"
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#include "imagelistitem.h"
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#include <tqvbox.h>
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#include <tqobjectlist.h>
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#include <signalslotimp.h>
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#include <tqtimer.h>
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#include <tqevent.h>
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#include <tqdragobject.h>
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#include <tqstringlist.h>
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#include <kpushbutton.h>
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#include <kapplication.h>
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#include <kaction.h>
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#include <klocale.h>
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#include <kgenericfactory.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <kiconloader.h>
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#include <knuminput.h>
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#include <kfiledialog.h>
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#include <kimageio.h>
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#include <kimageviewer/viewer.h>
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#include <kimageviewer/canvas.h>
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#include <kio/netaccess.h>
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#include <kmessagebox.h>
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#include <ktempfile.h>
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#include <kurldrag.h>
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typedef KGenericFactory<KViewPresenter> KViewPresenterFactory;
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K_EXPORT_COMPONENT_FACTORY( kview_presenterplugin, KViewPresenterFactory( "kviewpresenterplugin" ) )
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KViewPresenter::KViewPresenter( TQObject* parent, const char* name, const TQStringList & )
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: Plugin( parent, name )
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, m_pImageList( new ImageListDialog() )
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, m_paFileOpen( 0 )
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, m_bDontAdd( false )
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, m_pCurrentItem( 0 )
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, m_pSlideshowTimer( new TQTimer( this ) )
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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m_imagelist.setAutoDelete( true );
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TQObjectList * viewerList = parent->queryList( 0, "KImageViewer Part", false, false );
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m_pViewer = static_cast<KImageViewer::Viewer *>( viewerList->getFirst() );
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delete viewerList;
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if( m_pViewer )
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{
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( void ) new KAction( i18n( "&Image List..." ), 0, 0,
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this, TQT_SLOT( slotImageList() ),
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actionCollection(), "plugin_presenter_imageList" );
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m_paSlideshow = new KToggleAction( i18n( "Start &Slideshow" ), Key_S, actionCollection(), "plugin_presenter_slideshow" );
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( void ) new KAction( i18n( "&Previous Image in List" ), "previous", ALT+Key_Left,
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this, TQT_SLOT( prev() ),
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actionCollection(), "plugin_presenter_prev" );
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( void ) new KAction( i18n( "&Next Image in List" ), "next", ALT+Key_Right,
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this, TQT_SLOT( next() ),
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actionCollection(), "plugin_presenter_next" );
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connect( m_paSlideshow, TQT_SIGNAL( toggled( bool ) ), m_pImageList->m_pSlideshow, TQT_SLOT( setOn( bool ) ) );
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connect( m_pImageList->m_pSlideshow, TQT_SIGNAL( toggled( bool ) ), m_paSlideshow, TQT_SLOT( setChecked( bool ) ) );
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// search for file_open action
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KXMLGUIClient * parentClient = static_cast<KXMLGUIClient*>( parent->qt_cast( "KXMLGUIClient" ) );
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if( parentClient )
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{
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m_paFileOpen = parentClient->actionCollection()->action( "file_open" );
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m_paFileClose = parentClient->actionCollection()->action( "file_close" );
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}
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if( m_paFileClose )
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connect( m_paFileClose, TQT_SIGNAL( activated() ), this, TQT_SLOT( slotClose() ) );
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if( m_paFileOpen )
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{
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disconnect( m_paFileOpen, TQT_SIGNAL( activated() ), parent, TQT_SLOT( slotOpenFile() ) );
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connect( m_paFileOpen, TQT_SIGNAL( activated() ), this, TQT_SLOT( slotOpenFiles() ) );
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}
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else
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{
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(void) new KAction( i18n( "Open &Multiple Files..." ), "queue", CTRL+SHIFT+Key_O,
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this, TQT_SLOT( slotOpenFiles() ),
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actionCollection(), "plugin_presenter_openFiles" );
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}
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connect( m_pViewer, TQT_SIGNAL( imageOpened( const KURL & ) ),
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TQT_SLOT( slotImageOpened( const KURL & ) ) );
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}
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else
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kdWarning( 4630 ) << "no KImageViewer interface found - the presenter plugin won't work" << endl;
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//( void )new KViewPresenterConfModule( this );
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connect( m_pImageList->m_pListView, TQT_SIGNAL( executed( TQListViewItem* ) ),
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this, TQT_SLOT( changeItem( TQListViewItem* ) ) );
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connect( m_pImageList->m_pPrevious, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( prev() ) );
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connect( m_pImageList->m_pNext, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( next() ) );
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connect( m_pImageList->m_pListView, TQT_SIGNAL( spacePressed( TQListViewItem* ) ),
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this, TQT_SLOT( changeItem( TQListViewItem* ) ) );
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connect( m_pImageList->m_pListView, TQT_SIGNAL( returnPressed( TQListViewItem* ) ),
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this, TQT_SLOT( changeItem( TQListViewItem* ) ) );
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connect( m_pImageList->m_pSlideshow, TQT_SIGNAL( toggled( bool ) ),
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this, TQT_SLOT( slideshow( bool ) ) );
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connect( m_pImageList->m_pInterval, TQT_SIGNAL( valueChanged( int ) ),
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this, TQT_SLOT( setSlideshowInterval( int ) ) );
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connect( m_pImageList->m_pShuffle, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( shuffle() ) );
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connect( m_pImageList->m_pLoad, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( loadList() ) );
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connect( m_pImageList->m_pSave, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( saveList() ) );
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connect( m_pImageList->m_pCloseAll, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( closeAll() ) );
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// allow drop on the dialog
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m_pImageList->installEventFilter( this );
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m_pImageList->m_pListView->installEventFilter( this );
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m_pImageList->m_pListView->viewport()->installEventFilter( this );
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// grab drops on the main view
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m_pViewer->widget()->installEventFilter( this );
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connect( m_pSlideshowTimer, TQT_SIGNAL( timeout() ),
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this, TQT_SLOT( next() ) );
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}
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KViewPresenter::~KViewPresenter()
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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if( m_paFileOpen )
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{
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disconnect( m_paFileOpen, TQT_SIGNAL( activated() ), this, TQT_SLOT( slotOpenFiles() ) );
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// If the parent() doesn't exist we either leave the "File Open" action
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// in an unusable state or KView was just shutting down and therefor we
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// can ignore this. I've only seen the second one happening and to get
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// rid of the TQObject::connect warning we do the parent() check.
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if( parent() )
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connect( m_paFileOpen, TQT_SIGNAL( activated() ), parent(), TQT_SLOT( slotOpenFile() ) );
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}
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}
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bool KViewPresenter::eventFilter( TQObject *obj, TQEvent *ev )
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{
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if( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(m_pImageList) || TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(m_pImageList->m_pListView) || TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(m_pImageList->m_pListView->viewport()) || TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(m_pViewer->widget()) )
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{
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switch( ev->type() )
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{
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case TQEvent::DragEnter:
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case TQEvent::DragMove:
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{
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// drag enter event in the image list
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//kdDebug( 4630 ) << "DragEnterEvent in the image list: " << obj->className() << endl;
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TQDragEnterEvent * e = static_cast<TQDragEnterEvent*>( ev );
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//for( int i = 0; e->format( i ); ++i )
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//kdDebug( 4630 ) << " - " << e->format( i ) << endl;
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if( KURLDrag::canDecode( e ) )// || TQImageDrag::canDecode( e ) )
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{
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e->accept();
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return true;
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}
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}
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case TQEvent::Drop:
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{
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// drop event in the image list
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kdDebug( 4630 ) << "DropEvent in the image list: " << obj->className() << endl;
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TQDropEvent * e = static_cast<TQDropEvent*>( ev );
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TQStringList l;
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//TQImage image;
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if( KURLDrag::decodeToUnicodeUris( e, l ) )
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{
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for( TQStringList::const_iterator it = l.begin(); it != l.end(); ++it )
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{
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ImageInfo * info = new ImageInfo( KURL( *it ) );
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if( ! m_imagelist.contains( info ) )
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{
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m_imagelist.inSort( info );
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( void )new ImageListItem( m_pImageList->m_pListView, KURL( *it ) );
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}
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else
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delete info;
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}
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return true;
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}
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//else if( TQImageDrag::decode( e, image ) )
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//newImage( image );
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}
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default: // do nothing
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break;
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}
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}
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return KParts::Plugin::eventFilter( obj, ev );
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}
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void KViewPresenter::slotImageOpened( const KURL & url )
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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if( ! m_bDontAdd )
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{
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kdDebug( 4630 ) << k_funcinfo << "imagelist:" << endl;
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ImageInfo * info = new ImageInfo( url );
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if( ! m_imagelist.contains( info ) )
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{
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m_imagelist.inSort( info );
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TQListViewItem * item = new ImageListItem( m_pImageList->m_pListView, url );
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makeCurrent( item );
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}
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else
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delete info;
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}
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}
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void KViewPresenter::slotImageList()
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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m_pImageList->show();
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}
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void KViewPresenter::slotOpenFiles()
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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KURL::List urls = KFileDialog::getOpenURLs( ":load_image", KImageIO::pattern( KImageIO::Reading ), m_pViewer->widget() );
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if( urls.isEmpty() )
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return;
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KURL::List::Iterator it = urls.begin();
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m_pViewer->openURL( *it );
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for( ++it; it != urls.end(); ++it )
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{
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ImageInfo * info = new ImageInfo( *it );
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if( ! m_imagelist.contains( info ) )
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{
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m_imagelist.inSort( info );
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( void )new ImageListItem( m_pImageList->m_pListView, *it );
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}
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else
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delete info;
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}
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}
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void KViewPresenter::slotClose()
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{
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TQListViewItem * next = m_pCurrentItem->itemBelow() ? m_pCurrentItem->itemBelow() : m_pImageList->m_pListView->firstChild();
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if( next == m_pCurrentItem )
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next = 0;
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ImageInfo info( m_pCurrentItem->url() );
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m_imagelist.remove( &info );
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delete m_pCurrentItem;
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m_pCurrentItem = 0;
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if( next )
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changeItem( next );
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}
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void KViewPresenter::changeItem( TQListViewItem * qitem )
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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if( qitem->rtti() == 48294 )
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{
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ImageListItem * item = static_cast<ImageListItem*>( qitem );
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if( ! item->url().isEmpty() )
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{
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if( item->url().isLocalFile() && ! TQFile::exists( item->url().path() ) )
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{
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kdDebug( 4630 ) << "file doesn't exist. removed." << endl;
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ImageInfo info( item->url() );
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m_imagelist.remove( &info );
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if( m_pCurrentItem == item )
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{
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TQListViewItem * next = m_pCurrentItem->itemBelow() ? m_pCurrentItem->itemBelow() : m_pImageList->m_pListView->firstChild();
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if( next->rtti() != 48294 )
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kdWarning( 4630 ) << "unknown ListView item" << endl;
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else
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m_pCurrentItem = static_cast<ImageListItem*>( next );
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if( m_pCurrentItem == item )
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m_pCurrentItem = 0; // don't create a dangling pointer
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delete item;
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if( m_pCurrentItem )
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changeItem( m_pCurrentItem );
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}
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else
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{
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delete item;
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next();
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}
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return;
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}
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kdDebug( 4630 ) << "got url" << endl;
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makeCurrent( qitem );
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bool dontadd = m_bDontAdd;
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m_bDontAdd = true;
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m_pViewer->openURL( item->url() );
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m_bDontAdd = dontadd;
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}
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else
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kdWarning( 4630 ) << "got nothing" << endl;
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}
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else
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kdWarning( 4630 ) << "unknown ListView item" << endl;
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}
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void KViewPresenter::prev()
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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if( m_pCurrentItem )
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{
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TQListViewItem * prev = m_pCurrentItem->itemAbove() ? m_pCurrentItem->itemAbove() : m_pImageList->m_pListView->lastItem();
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if( prev )
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changeItem( prev );
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}
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}
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void KViewPresenter::next()
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{
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kdDebug( 4630 ) << k_funcinfo << endl;
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if( m_pCurrentItem )
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|
|
|
{
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|
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|
TQListViewItem * next = m_pCurrentItem->itemBelow() ? m_pCurrentItem->itemBelow() : m_pImageList->m_pListView->firstChild();
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|
if( next )
|
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|
changeItem( next );
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|
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|
}
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}
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void KViewPresenter::makeCurrent( TQListViewItem * item )
|
|
|
|
{
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|
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|
if( m_pCurrentItem )
|
|
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|
m_pCurrentItem->setPixmap( 0, TQPixmap() );
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|
|
if( item->rtti() != 48294 )
|
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|
kdWarning( 4630 ) << "unknown ListView item" << endl;
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|
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|
else
|
|
|
|
{
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|
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|
m_pCurrentItem = static_cast<ImageListItem*>( item );
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|
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|
m_pCurrentItem->setPixmap( 0, KGlobal::iconLoader()->loadIcon( "1rightarrow", KIcon::Small ) );
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|
m_pImageList->m_pListView->ensureItemVisible( m_pCurrentItem );
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|
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|
}
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|
}
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|
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|
|
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|
void KViewPresenter::slideshow( bool running )
|
|
|
|
{
|
|
|
|
if( running )
|
|
|
|
{
|
|
|
|
m_pSlideshowTimer->start( m_pImageList->m_pInterval->value() );
|
|
|
|
actionCollection()->action( "plugin_presenter_slideshow" )->setText( i18n( "Stop &Slideshow" ) );
|
|
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|
m_pImageList->m_pSlideshow->setText( i18n( "Stop &Slideshow" ) );
|
|
|
|
}
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|
|
|
else
|
|
|
|
{
|
|
|
|
m_pSlideshowTimer->stop();
|
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|
|
actionCollection()->action( "plugin_presenter_slideshow" )->setText( i18n( "Start &Slideshow" ) );
|
|
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|
m_pImageList->m_pSlideshow->setText( i18n( "Start &Slideshow" ) );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void KViewPresenter::setSlideshowInterval( int msec )
|
|
|
|
{
|
|
|
|
if( m_pSlideshowTimer->isActive() )
|
|
|
|
m_pSlideshowTimer->changeInterval( msec );
|
|
|
|
}
|
|
|
|
|
|
|
|
void KViewPresenter::shuffle()
|
|
|
|
{
|
|
|
|
m_pImageList->noSort();
|
|
|
|
KListView * listview = m_pImageList->m_pListView;
|
|
|
|
TQPtrList<TQListViewItem> items;
|
|
|
|
for( TQListViewItem * item = listview->firstChild(); item; item = listview->firstChild() )
|
|
|
|
{
|
|
|
|
items.append( item );
|
|
|
|
listview->takeItem( item );
|
|
|
|
}
|
|
|
|
while( ! items.isEmpty() )
|
|
|
|
listview->insertItem( items.take( KApplication::random() % items.count() ) );
|
|
|
|
}
|
|
|
|
|
|
|
|
void KViewPresenter::closeAll()
|
|
|
|
{
|
|
|
|
m_imagelist.clear();
|
|
|
|
m_pImageList->m_pListView->clear();
|
|
|
|
m_pCurrentItem = 0;
|
|
|
|
if( m_pViewer->closeURL() )
|
|
|
|
m_pViewer->canvas()->clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
void KViewPresenter::loadList()
|
|
|
|
{
|
|
|
|
KURL url = KFileDialog::getOpenURL( ":load_list", TQString(), m_pImageList );
|
|
|
|
if( url.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
TQString tempfile;
|
|
|
|
if( ! KIO::NetAccess::download( url, tempfile, m_pViewer->widget() ) )
|
|
|
|
{
|
|
|
|
KMessageBox::error( m_pImageList, i18n( "Could not load\n%1" ).arg( url.prettyURL() ) );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
TQFile file( tempfile );
|
|
|
|
if( file.open( IO_ReadOnly ) )
|
|
|
|
{
|
|
|
|
TQTextStream t( &file );
|
|
|
|
if( t.readLine() == "[KView Image List]" )
|
|
|
|
{
|
|
|
|
//clear old image list
|
|
|
|
closeAll();
|
|
|
|
|
|
|
|
TQStringList list;
|
|
|
|
if( ! t.eof() )
|
|
|
|
m_pViewer->openURL( KURL( t.readLine() ) );
|
|
|
|
while( ! t.eof() )
|
|
|
|
{
|
|
|
|
KURL url ( t.readLine() );
|
|
|
|
ImageInfo * info = new ImageInfo( url );
|
|
|
|
if( ! m_imagelist.contains( info ) )
|
|
|
|
{
|
|
|
|
m_imagelist.inSort( info );
|
|
|
|
( void )new ImageListItem( m_pImageList->m_pListView, url );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
delete info;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
KMessageBox::error( m_pImageList, i18n( "Wrong format\n%1" ).arg( url.prettyURL() ) );
|
|
|
|
}
|
|
|
|
file.close();
|
|
|
|
}
|
|
|
|
KIO::NetAccess::removeTempFile( tempfile );
|
|
|
|
}
|
|
|
|
|
|
|
|
void KViewPresenter::saveList()
|
|
|
|
{
|
|
|
|
KURL url = KFileDialog::getSaveURL( ":save_list", TQString(), m_pImageList );
|
|
|
|
|
|
|
|
if( url.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
TQString tempfile;
|
|
|
|
if( url.isLocalFile() )
|
|
|
|
tempfile = url.path();
|
|
|
|
else
|
|
|
|
{
|
|
|
|
KTempFile ktempf;
|
|
|
|
tempfile = ktempf.name();
|
|
|
|
}
|
|
|
|
|
|
|
|
TQFile file( tempfile );
|
|
|
|
if( file.open( IO_WriteOnly ) )
|
|
|
|
{
|
|
|
|
TQTextStream t( &file );
|
|
|
|
// write header
|
|
|
|
t << "[KView Image List]" << endl;
|
|
|
|
TQListViewItem * item = m_pImageList->m_pListView->firstChild();
|
|
|
|
while( item )
|
|
|
|
{
|
|
|
|
if( item->rtti() == 48294 )
|
|
|
|
t << static_cast<ImageListItem*>( item )->url().url() << endl;
|
|
|
|
item = item->itemBelow();
|
|
|
|
}
|
|
|
|
file.close();
|
|
|
|
|
|
|
|
if( ! url.isLocalFile() )
|
|
|
|
{
|
|
|
|
KIO::NetAccess::upload( tempfile, url, m_pViewer->widget() );
|
|
|
|
KIO::NetAccess::removeTempFile( tempfile );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// vim:sw=4:ts=4
|
|
|
|
#include "kviewpresenter.moc"
|