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diff --git a/kview/kviewviewer/kviewviewer.cpp b/kview/kviewviewer/kviewviewer.cpp
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+/* This file is part of the KDE project
+
+ Copyright (C) 1999 Simon Hausmann <hausmann@kde.org>
+ 2001-2003 Matthias Kretz <kretz@kde.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+*/
+
+#include "kviewviewer.h"
+#include "kimageviewer/canvas.h"
+#include "version.h"
+
+#include <ksettings/dispatcher.h>
+
+#include <unistd.h>
+#include <assert.h>
+
+#include <qbuffer.h>
+#include <qlayout.h>
+#include <qvbox.h>
+#include <qlabel.h>
+#include <qregexp.h>
+
+#include <kpushbutton.h>
+#include <kpassivepopup.h>
+#include <kdebug.h>
+#include <kio/job.h>
+#include <kxmlguifactory.h>
+#include <kfiledialog.h>
+#include <kparts/genericfactory.h>
+#include <kparts/componentfactory.h>
+#include <kparts/plugin.h>
+#include <kmessagebox.h>
+#include <ktempfile.h>
+#include <kapplication.h>
+#include <kimageio.h>
+#include <kstdaccel.h>
+#include <kdirwatch.h>
+#include <kurldrag.h>
+#include <krecentdocument.h>
+
+typedef KParts::GenericFactory<KViewViewer> KViewViewerFactory;
+K_EXPORT_COMPONENT_FACTORY( libkviewviewer, KViewViewerFactory )
+
+KViewViewer::KViewViewer( QWidget *parentWidget, const char * /*widgetName*/,
+ QObject *parent, const char *name, const QStringList & )
+ : KImageViewer::Viewer( parent, name )
+ , m_pParentWidget( parentWidget )
+ , m_pJob( 0 )
+ , m_pExtension( 0 )
+ , m_pCanvas( 0 )
+ , m_pTempFile( 0 )
+ , m_pBuffer( 0 )
+ , m_pFileWatch( new KDirWatch( this ) )
+{
+ KImageIO::registerFormats();
+
+ QWidget * widget = KParts::ComponentFactory::createInstanceFromQuery<QWidget>(
+ "KImageViewer/Canvas", QString::null, m_pParentWidget );
+ m_pCanvas = static_cast<KImageViewer::Canvas *>( widget->qt_cast( "KImageViewer::Canvas" ) );
+ kdDebug( 4610 ) << "KImageViewer::Canvas at " << m_pCanvas << endl;
+ if( ! ( widget && m_pCanvas ) )
+ {
+ if( ! widget )
+ KMessageBox::error( m_pParentWidget, i18n( "Unable to find a suitable Image Canvas. This probably means that KView was not installed properly." ) );
+ else
+ KMessageBox::error( m_pParentWidget, i18n( "Accessing the KImageViewer interface of the Image Canvas failed. Something in your setup is broken (a component claims to be a KImageViewer::Canvas but it is not)." ) );
+ }
+ else
+ {
+ // create the extension before the plugins are loaded, because plugins might want to use it
+ m_pExtension = new KViewKonqExtension( m_pCanvas, this );
+
+ setPluginLoadingMode( LoadPluginsIfEnabled );
+ setInstance( KViewViewerFactory::instance() );
+
+ // m_url isn't set from ReadOnlyPart so we set it here to the CWD
+ m_url = QDir::currentDirPath() + "/";
+ m_sCaption = i18n( "Title caption when no image loaded", "no image loaded" );
+
+ setWidget( widget );
+
+ // Drag and Drop for the Canvas
+ widget->setAcceptDrops( true );
+ widget->installEventFilter( this );
+
+ setupActions();
+
+ if( isReadWrite() )
+ setXMLFile( "kviewviewer.rc" );
+ else
+ setXMLFile( "kviewviewer_ro.rc" );
+
+ connect( widget, SIGNAL( contextPress( const QPoint & ) ),
+ this, SLOT( slotPopupMenu( const QPoint & ) ) );
+ connect( widget, SIGNAL( zoomChanged( double ) ),
+ this, SLOT( zoomChanged( double ) ) );
+ connect( widget, SIGNAL( showingImageDone() ),
+ this, SLOT( switchBlendEffect() ) );
+ connect( widget, SIGNAL( hasImage( bool ) ),
+ this, SLOT( hasImage( bool ) ) );
+ connect( widget, SIGNAL( imageChanged() ),
+ this, SLOT( setModified() ) );
+
+ connect( m_pFileWatch, SIGNAL( dirty( const QString & ) ),
+ this, SLOT( slotFileDirty( const QString & ) ) );
+
+ KSettings::Dispatcher::self()->registerInstance( instance(), this, SLOT( readSettings() ) );
+
+ // by default disable progress info (so it won't open the dialog in Konqueror)
+ setProgressInfoEnabled( false );
+
+ m_popupDoc = KXMLGUIFactory::readConfigFile( "kviewpopup.rc", true, instance() );
+
+ KConfigGroup cfgGroup( instance()->config(), "Settings" );
+ bool hideBars = cfgGroup.readBoolEntry( "hideScrollbars", false );
+ m_pCanvas->hideScrollbars( hideBars );
+ m_paShowScrollbars->setChecked( ! hideBars );
+ m_vEffects.resize( m_pCanvas->numOfBlendEffects() );
+
+ readSettings();
+ }
+}
+
+KViewViewer::~KViewViewer()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+
+ writeSettings();
+ instance()->config()->sync();
+
+ /*abortLoad(); //just in case
+ if( isModified() && isReadWrite() )
+ {
+ int res = m_url.isEmpty() ?
+ KMessageBox::warningYesNo( widget(),
+ i18n( "This is a new document.\nDo you want to save it ?" ),
+ QString::null, KStdGuiItem::saveAs(), KStdGuiItem::discard() ):
+ KMessageBox::warningYesNo( widget(),
+ i18n( "The document has been modified.\nDo you want to save it ?" ),
+ QString::null, KStdGuiItem::saveAs(), KStdGuiItem::dontSave() );
+
+ if( res == KMessageBox::Yes )
+ {
+ KURL url = KFileDialog::getSaveURL();
+ if( ! url.isEmpty() )
+ saveAs( url );
+ }
+ }
+ ReadOnlyPart::closeURL();*/
+
+ abortLoad();
+ delete m_pTempFile;
+ delete m_pBuffer;
+}
+
+KAboutData * KViewViewer::createAboutData()
+{
+ KAboutData * aboutData = new KAboutData( "kviewviewer", I18N_NOOP( "KView" ),
+ KVIEW_VERSION, I18N_NOOP( "KDE Image Viewer Part" ),
+ KAboutData::License_GPL,
+ I18N_NOOP("(c) 1997-2002, The KView Developers") );
+ aboutData->addAuthor( "Matthias Kretz", I18N_NOOP( "Maintainer" ), "kretz@kde.org" );
+ aboutData->addAuthor( "Sirtaj Singh Kang", I18N_NOOP( "started it all" ), "taj@kde.org" );
+ aboutData->addAuthor( "Simon Hausmann", 0, "hausmann@kde.org" );
+ return aboutData;
+}
+
+void KViewViewer::setReadWrite( bool readwrite )
+{
+ KImageViewer::Viewer::setReadWrite( readwrite );
+ if( readwrite )
+ setXMLFile( "kviewviewer.rc" );
+ else
+ setXMLFile( "kviewviewer_ro.rc" );
+}
+
+bool KViewViewer::saveAs( const KURL & kurl )
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ if( !kurl.isValid() )
+ return KParts::ReadWritePart::saveAs( kurl ); // sets m_bClosing = false
+
+ // if the image wasn't modified and should be saved in the same format we just copy the file - no need
+ // to lose some quality or information by calling QImage::save()
+ if( ! ( isModified() && isReadWrite() ) && m_mimeType == m_newMimeType )
+ {
+ kdDebug( 4610 ) << "copy image from " << m_file << " to " << kurl.prettyURL() << endl;
+
+ KIO::Job * job = KIO::copy( KURL( m_file ), kurl, isProgressInfoEnabled() );
+ emit started( job );
+ connect( job, SIGNAL( result( KIO::Job * ) ),
+ this, SLOT( slotResultSaveAs( KIO::Job * ) ) );
+ return true;
+ }
+ kdDebug( 4610 ) << "call KParts::ReadWritePart::saveAs( " << kurl.prettyURL() << " )" << endl;
+
+ bool ret = KParts::ReadWritePart::saveAs( kurl );
+ if( ret == false )
+ KMessageBox::error( m_pParentWidget, i18n( "The image could not be saved to disk. A possible causes is that you don't have permission to write to that file." ) );
+ return ret;
+}
+
+void KViewViewer::setModified( bool modified )
+{
+ m_paSave->setEnabled( modified );
+ KImageViewer::Viewer::setModified( modified );
+}
+
+bool KViewViewer::openURL( const KURL & url )
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ if ( !url.isValid() )
+ {
+ kdWarning( 4610 ) << "malformed URL " << url.prettyURL() << endl;
+ return false;
+ }
+ if ( !closeURL() )
+ {
+ kdDebug( 4610 ) << "closeURL didn't work out" << endl;
+ return false;
+ }
+ setModified( false );
+ m_url = url;
+ m_mimeType = m_pExtension->urlArgs().serviceType; // if this fails to
+ // find the right mime type it'll be determined in openFile()
+ if ( m_url.isLocalFile() )
+ {
+ emit started( 0 );
+ m_file = m_url.path();
+ kdDebug( 4610 ) << "open local file " << m_file << endl;
+ bool ret = openFile();
+ if( ret )
+ {
+ m_sCaption = m_url.prettyURL();
+ emit setWindowCaption( m_sCaption );
+ emit completed();
+ }
+ return ret;
+ }
+ else
+ {
+ m_sCaption = m_url.prettyURL();
+ emit setWindowCaption( m_sCaption );
+ m_bTemp = true;
+ // Use same extension as remote file. This is important for mimetype-determination (e.g. koffice)
+ QString extension;
+ QString fileName = url.fileName();
+ int extensionPos = fileName.findRev( '.' );
+ if ( extensionPos != -1 )
+ extension = fileName.mid( extensionPos ); // keep the '.'
+ delete m_pTempFile;
+ m_pTempFile = new KTempFile( QString::null, extension );
+ m_file = m_pTempFile->name();
+
+ m_pJob = KIO::get( m_url, m_pExtension->urlArgs().reload, isProgressInfoEnabled() );
+ emit started( m_pJob );
+ connect( m_pJob, SIGNAL( result( KIO::Job * ) ), SLOT( slotJobFinished ( KIO::Job * ) ) );
+ connect( m_pJob, SIGNAL( data( KIO::Job *, const QByteArray & ) ), SLOT( slotData( KIO::Job *, const QByteArray & ) ) );
+ return true;
+ }
+}
+
+bool KViewViewer::closeURL()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ abortLoad();
+ QString file = m_file;
+ bool ret = KParts::ReadWritePart::closeURL();
+ if( ret )
+ if( ! file.isEmpty() )
+ {
+ kdDebug( 4610 ) << "remove " << file << " from KDirWatch\n";
+ m_pFileWatch->removeFile( file );
+ }
+ return ret;
+}
+
+void KViewViewer::newImage( const QImage & newimg )
+{
+ if( closeURL() )
+ {
+ m_url = "";
+ m_file = QString::null;
+ m_sCaption = i18n( "Title caption when new image selected", "new image" );
+ m_pCanvas->setImage( newimg );
+ if( isReadWrite() )
+ setModified( true );
+ }
+}
+
+void KViewViewer::reload()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+
+ if( isReadWrite() && isModified() )
+ if( ! queryClose() )
+ return;
+
+ //load from file
+ QImage image( m_file );
+ m_pCanvas->setImage( image );
+ setModified( false );
+}
+
+bool KViewViewer::eventFilter( QObject * o, QEvent * e )
+{
+ KImageViewer::Canvas * canvas = static_cast<KImageViewer::Canvas*>( o->qt_cast( "KImageViewer::Canvas" ) );
+ if( canvas )
+ {
+ // intercept drops onto the Canvas
+ switch( e->type() )
+ {
+ case QEvent::DragEnter:
+ {
+ QDragEnterEvent * ev = static_cast<QDragEnterEvent*>( e );
+ kdDebug( 4610 ) << "DragEnter Event in the Canvas: " << endl;
+ for( int i = 0; ev->format( i ); ++i )
+ kdDebug( 4610 ) << " - " << ev->format( i ) << endl;
+ ev->accept( KURLDrag::canDecode( ev ) || QImageDrag::canDecode( ev ) );
+ return true;
+ }
+ case QEvent::Drop:
+ {
+ QDropEvent * ev = static_cast<QDropEvent*>( e );
+ kdDebug( 4610 ) << "Drop Event in the Canvas" << endl;
+ QStringList l;
+ QImage image;
+ if( KURLDrag::decodeToUnicodeUris( ev, l ) )
+ openURL( KURL( l.first() ) );
+ else if( QImageDrag::decode( ev, image ) )
+ newImage( image );
+ return true;
+ }
+ default:
+ break;
+ }
+ }
+ return KImageViewer::Viewer::eventFilter( o, e );
+}
+
+void KViewViewer::abortLoad()
+{
+ if ( m_pJob )
+ {
+ m_pJob->kill();
+ m_pJob = 0;
+ }
+}
+
+bool KViewViewer::openFile()
+{
+ //m_pCanvas->setMaximumImageSize( QSize( widget()->width(), widget()->height() ) );
+ if( m_pBuffer )
+ {
+ kdDebug( 4610 ) << k_funcinfo << " load from buffer\n";
+ //load from buffer
+ m_pBuffer->close();
+ if( m_pTempFile )
+ {
+ m_pTempFile->dataStream()->writeRawBytes( m_pBuffer->buffer().data(), m_pBuffer->buffer().size() );
+ m_pTempFile->close();
+ }
+
+ // determine Mime Type
+ if( m_mimeType.isNull() )
+ {
+ m_mimeType = KImageIO::mimeType( m_url.fileName() );
+ kdDebug( 4610 ) << "MimeType: " << m_mimeType << endl;
+ if( m_mimeType.isNull() )
+ {
+ m_mimeType = KMimeType::findByContent( m_pBuffer->buffer() )->name();
+ kdDebug( 4610 ) << "MimeType: " << m_mimeType << endl;
+ }
+ }
+
+ QImage image( m_pBuffer->buffer() );
+ delete m_pBuffer;
+ m_pBuffer = 0;
+ if( ! image.isNull() )
+ {
+ QSize size = image.size();
+ m_pCanvas->setImage( image, size );
+ }
+ else
+ {
+ emit setStatusBarText( i18n( "Unknown image format: %1" ).arg( m_url.prettyURL() ) );
+ return false;
+ }
+ }
+ else
+ { //load from local file
+ kdDebug( 4610 ) << k_funcinfo << " load from file: " << m_file << endl;
+ if( ! QFile::exists( m_file ) )
+ {
+ emit setStatusBarText( i18n( "No such file: %1" ).arg( m_file ) );
+ return false;
+ }
+ if( QImage::imageFormat( m_file ) == 0 )
+ {
+ emit setStatusBarText( i18n( "Unknown image format: %1" ).arg( m_file ) );
+ return false;
+ }
+ // determine Mime Type
+ if( m_mimeType.isNull() )
+ {
+ m_mimeType = KImageIO::mimeType( m_file );
+ kdDebug( 4610 ) << "MimeType: " << m_mimeType << endl;
+ }
+
+ //load from file
+ QImage image( m_file );
+ QSize size = image.size();
+ m_pCanvas->setImage( image, size );
+ }
+ m_pFileWatch->addFile( m_file );
+ emit imageOpened( m_url );
+ return true;
+}
+
+bool KViewViewer::saveFile()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ // two possibilities:
+ //
+ // 1. The image should be saved as an exact copy of the loaded one (this
+ // is useful if you downloaded an image from the net and want to save it
+ // locally) - this can happen only in saveAs() so only 2. applies here:
+ //
+ // 2. The image should be saved in a different format or was modified, so
+ // that copying isn't possible anymore.
+
+ const QImage * image = m_pCanvas->image();
+ if( ! image )
+ return false;
+
+ if( ! m_newMimeType.isNull() )
+ {
+ m_mimeType = m_newMimeType;
+ m_newMimeType = QString::null;
+ }
+ QString type = KImageIO::typeForMime( m_mimeType );
+ kdDebug( 4610 ) << "save m_pCanvas->image() to " << m_file << " as " << type << endl;
+ int quality = 100; // TODO: ask user for quality. Keep it at 100 so that our
+ // users don't lose quality when working with KView.
+
+ m_pFileWatch->removeFile( m_file );
+ bool ret = image->save( m_file, type.latin1(), quality );
+ m_pFileWatch->addFile( m_file );
+ return ret;
+}
+
+void KViewViewer::setupActions()
+{
+ m_paZoomIn = new KAction( i18n( "Zoom In" ), "viewmag+", KStdAccel::shortcut( KStdAccel::ZoomIn ), this,
+ SLOT( slotZoomIn() ), actionCollection(), "zoomin" );
+ m_paZoomOut = new KAction( i18n( "Zoom Out" ), "viewmag-", KStdAccel::shortcut( KStdAccel::ZoomOut ), this,
+ SLOT( slotZoomOut() ), actionCollection(), "zoomout" );
+
+ m_paZoom = new KSelectAction( i18n( "Zoom" ), "viewmag", 0, actionCollection(), "view_zoom" );
+ connect( m_paZoom, SIGNAL( activated( const QString & ) ), this, SLOT( setZoom( const QString & ) ) );
+ m_paZoom->setEditable( true );
+ m_paZoom->clear();
+ m_paZoom->setItems( QStringList::split( '|', "20%|25%|33%|50%|75%|100%|125%|150%|200%|250%|300%|350%|400%|450%|500%" ) );
+ m_paZoom->setCurrentItem( 5 );
+
+ m_paFlipMenu = new KActionMenu( i18n( "&Flip" ), actionCollection(), "flip" );
+ m_paFlipV = new KAction( i18n( "&Vertical" ), Key_V, this, SLOT( slotFlipV() ), actionCollection(), "flip_vertical" );
+ m_paFlipH = new KAction( i18n( "&Horizontal" ), Key_H, this, SLOT( slotFlipH() ), actionCollection(), "flip_horizontal" );
+ m_paFlipMenu->insert( m_paFlipV );
+ m_paFlipMenu->insert( m_paFlipH );
+
+ m_paRotateCCW = new KAction( i18n( "Ro&tate Counter-Clockwise" ), "rotate_ccw", 0, this,
+ SLOT( slotRotateCCW() ), actionCollection(), "rotateCCW" );
+ m_paRotateCW = new KAction( i18n( "Rotate Clockwise" ), "rotate_cw", 0, this,
+ SLOT( slotRotateCW() ), actionCollection(), "rotateCW" );
+ m_paSave = KStdAction::save( this, SLOT( slotSave() ), actionCollection() );
+ m_paSave->setEnabled( false );
+ m_paSaveAs = KStdAction::saveAs( this, SLOT( slotSaveAs() ), actionCollection() );
+
+ m_paFitToWin = new KAction( i18n( "Fit Image to Window" ), 0, 0, this,
+ SLOT( slotFitToWin() ), actionCollection(), "fittowin" );
+ m_paZoomIn->setEnabled( false );
+ m_paZoomOut->setEnabled( false );
+ m_paZoom->setEnabled( false );
+ m_paRotateCCW->setEnabled( false );
+ m_paRotateCW->setEnabled( false );
+ m_paSaveAs->setEnabled( false );
+ m_paFitToWin->setEnabled( false );
+ m_paFlipMenu->setEnabled( false );
+ m_paFlipV->setEnabled( false );
+ m_paFlipH->setEnabled( false );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paZoomIn, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paZoomOut, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paZoom, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paRotateCCW, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paRotateCW, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paSaveAs, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paFitToWin, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paFlipMenu, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paFlipV, SLOT( setEnabled( bool ) ) );
+ connect( widget(), SIGNAL( hasImage( bool ) ), m_paFlipH, SLOT( setEnabled( bool ) ) );
+
+ m_paShowScrollbars = new KToggleAction( i18n( "Show Scrollbars" ), 0, this, SLOT( slotToggleScrollbars() ),
+ actionCollection(), "show_scrollbars" );
+ m_paShowScrollbars->setCheckedState(i18n("Hide Scrollbars"));
+}
+
+void KViewViewer::guiActivateEvent( KParts::GUIActivateEvent * event )
+{
+ ReadWritePart::guiActivateEvent( event );
+ bool enabled = m_pCanvas->image() ? true : false;
+ emit m_pExtension->enableAction( "del", enabled );
+ emit m_pExtension->enableAction( "print", enabled );
+ if( ! enabled )
+ {
+ m_sCaption = i18n( "Title caption when no image loaded", "no image loaded" );
+ emit setWindowCaption( m_sCaption );
+ }
+}
+
+void KViewViewer::readSettings()
+{
+ KConfigGroup cfgGroup( instance()->config(), "Settings" );
+ m_pCanvas->setFastScale( ! cfgGroup.readBoolEntry( "Smooth Scaling", ! m_pCanvas->fastScale() ) );
+ m_pCanvas->setKeepAspectRatio( cfgGroup.readBoolEntry( "Keep Aspect Ratio", m_pCanvas->keepAspectRatio() ) );
+ m_pCanvas->setCentered( cfgGroup.readBoolEntry( "Center Image", m_pCanvas->centered() ) );
+
+ m_pCanvas->setBgColor( cfgGroup.readColorEntry( "Background Color", &m_pCanvas->bgColor() ) );
+
+ m_pCanvas->setMinimumImageSize( QSize( cfgGroup.readNumEntry( "Minimum Width", m_pCanvas->minimumImageSize().width() ),
+ cfgGroup.readNumEntry( "Minimum Height", m_pCanvas->minimumImageSize().height() ) ) );
+ m_pCanvas->setMaximumImageSize( QSize( cfgGroup.readNumEntry( "Maximum Width", m_pCanvas->maximumImageSize().width() ),
+ cfgGroup.readNumEntry( "Maximum Height", m_pCanvas->maximumImageSize().height() ) ) );
+
+ KConfigGroup blendConfig( instance()->config(), "Blend Effects" );
+ m_vEffects.clear();
+ for( unsigned int i = 1; i <= m_pCanvas->numOfBlendEffects(); ++i )
+ {
+ if( blendConfig.readBoolEntry( QString::number( i ), false ) )
+ m_vEffects.push_back( i );
+ }
+ // and now tell the canvas what blend effect to use
+ switchBlendEffect();
+ loadPlugins();
+}
+
+void KViewViewer::writeSettings()
+{
+ KConfigGroup cfgGroup( instance()->config(), "Settings" );
+ cfgGroup.writeEntry( "hideScrollbars", ! m_paShowScrollbars->isChecked() );
+}
+
+void KViewViewer::zoomChanged( double zoom )
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ emit setWindowCaption( m_sCaption + QString( " (%1%)" ).arg( zoom * 100, 0, 'f', 0 ) );
+ updateZoomMenu( zoom );
+}
+
+void KViewViewer::slotJobFinished( KIO::Job * job )
+{
+ assert( job == m_pJob );
+ m_pJob = 0;
+ if (job->error())
+ emit canceled( job->errorString() );
+ else
+ {
+ openFile();
+ emit completed();
+ }
+}
+
+void KViewViewer::slotData( KIO::Job *, const QByteArray & data )
+{
+ if( ! m_pBuffer )
+ {
+ m_pBuffer = new QBuffer();
+ m_pBuffer->open( IO_ReadWrite );
+ }
+ m_pBuffer->writeBlock( data.data(), data.size() );
+
+ //show partial image XXX: is this really the way to do it?
+ //No. :) It takes forever like this.
+ //OK. So I really have to look at khtml...
+ //later...
+ //m_pCanvas->setImage( QImage( m_pBuffer->buffer() ) );
+}
+
+void KViewViewer::slotSave()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ if( ! save() )
+ KMessageBox::error( m_pParentWidget, i18n( "The image could not be saved to disk. A possible causes is that you don't have permission to write to that file." ) );
+}
+
+void KViewViewer::slotSaveAs()
+{
+ kdDebug( 4610 ) << k_funcinfo << endl;
+ KFileDialog dlg( QString::null, QString::null, widget(), "filedialog", true );
+ dlg.setMimeFilter( KImageIO::mimeTypes( KImageIO::Writing ) );
+ dlg.setSelection( m_url.fileName() );
+ dlg.setCaption( i18n( "Save As" ) );
+ dlg.setOperationMode( KFileDialog::Saving );
+ dlg.exec();
+ KURL url = dlg.selectedURL();
+ m_newMimeType = dlg.currentMimeFilter();
+ if( m_newMimeType.isEmpty() )
+ m_newMimeType = KImageIO::mimeType( url.path() );
+ kdDebug( 4610 ) << k_funcinfo << "m_newMimeType = " << m_newMimeType << endl;
+ if( url.isValid() )
+ KRecentDocument::add( url );
+ saveAs( url );
+}
+
+void KViewViewer::slotZoomIn()
+{
+ double zoom = m_pCanvas->zoom() * 1.1;
+ if (zoom < 0.01) zoom=0.01 ;
+ m_pCanvas->setZoom( zoom );
+}
+
+void KViewViewer::slotZoomOut()
+{
+ double zoom = m_pCanvas->zoom() / 1.1;
+ if (zoom < 0.01) zoom=0.01 ;
+ m_pCanvas->setZoom( zoom );
+}
+
+void KViewViewer::setZoom( const QString & newZoom )
+{
+ kdDebug( 4610 ) << k_funcinfo << newZoom << endl;
+ double zoom;
+ QString z = newZoom;
+ z.remove( z.find( '%' ), 1 );
+ if( newZoom == "33%" )
+ zoom = 1.0 / 3.0;
+ else
+ zoom = KGlobal::locale()->readNumber( z ) / 100;
+
+ m_pCanvas->setZoom( zoom );
+}
+
+void KViewViewer::updateZoomMenu( double zoom )
+{
+ QStringList lst;
+ if( zoom > 0.0 )
+ {
+ //lst << i18n( "Maxpect" );
+ QValueList<int> list;
+ QString z;
+ int val;
+ bool ok;
+ QStringList itemsList = m_paZoom->items();
+ for( QStringList::Iterator it = itemsList.begin(); it != itemsList.end(); ++it )
+ {
+ z = ( *it ).replace( QRegExp( "%" ), "" );
+ z = z.simplifyWhiteSpace();
+ val = z.toInt( &ok );
+ if( ok && val > 0 && list.contains( val ) == 0 )
+ list << val;
+ }
+ val = QString::number( zoom * 100, 'f', 0 ).toInt(); // round/lround from math.h doesn't work - dunno
+ if( list.contains( val ) == 0 )
+ list.append( val );
+
+ qHeapSort( list );
+
+ for( QValueList<int>::Iterator it = list.begin(); it != list.end(); ++it )
+ lst << QString::number( *it ) + '%';
+ m_paZoom->setItems( lst );
+ }
+
+ // first look if it's a new value (not in the list yet)
+ QString z = QString( "%1%" ).arg( zoom * 100, 0, 'f', 0 );
+ QStringList items = m_paZoom->items();
+ int idx = items.findIndex( z );
+ if( -1 == idx )
+ {
+ // not found XXX: remove when done
+ kdDebug( 4610 ) << "zoom value not in the list: " << z << endl;
+ kdDebug( 4610 ) << "here's the list:\n- " << items.join( "\n- " ) << endl;
+ }
+ else
+ {
+ // already in the list
+ kdDebug( 4610 ) << "zoom value already in the list: " << z << endl;
+ // make that one selected
+ m_paZoom->setCurrentItem( idx );
+ }
+}
+
+void KViewViewer::slotFlipH()
+{
+ m_pCanvas->flipVertical( isReadWrite() );
+}
+
+void KViewViewer::slotFlipV()
+{
+ m_pCanvas->flipHorizontal( isReadWrite() );
+}
+
+void KViewViewer::slotRotateCCW()
+{
+ m_pCanvas->rotate( -90.0, isReadWrite() );
+}
+
+void KViewViewer::slotRotateCW()
+{
+ m_pCanvas->rotate( 90.0, isReadWrite() );
+}
+
+void KViewViewer::slotFitToWin()
+{
+ m_pCanvas->boundImageTo( widget()->size() );
+}
+
+void KViewViewer::slotDel()
+{
+ //just in case m_url get's modified while closing
+ KURL urltodel = m_url;
+ if( closeURL() )
+ {
+ setModified( false );
+ KIO::file_delete( urltodel );
+ m_pCanvas->clear();
+ }
+}
+
+class PopupGUIClient : public KXMLGUIClient
+{
+ public:
+ PopupGUIClient( KInstance *inst, const QString &doc )
+ {
+ setInstance( inst );
+ setXML( doc );
+ }
+};
+
+void KViewViewer::slotPopupMenu( const QPoint &pos )
+{
+ KXMLGUIClient *popupGUIClient = new PopupGUIClient( instance(), m_popupDoc );
+
+ (void) new KAction( i18n( "Save Image As..." ), 0, this, SLOT( slotSaveAs() ),
+ popupGUIClient->actionCollection(), "saveimageas" );
+
+ // ### HACK treat the image as dir to get the back/fwd/reload buttons (Simon)
+ emit m_pExtension->popupMenu( popupGUIClient, pos, m_url, m_mimeType, S_IFDIR );
+
+ delete popupGUIClient;
+}
+
+void KViewViewer::slotResultSaveAs( KIO::Job *job )
+{
+ if ( job->error() )
+ {
+ emit canceled( job->errorString() );
+ //job->showErrorDialog( widget() );
+ }
+ else
+ {
+ emit completed();
+ KIO::CopyJob * cjob = ::qt_cast<KIO::CopyJob*>( job );
+ if( cjob )
+ {
+ m_url = cjob->destURL();
+ m_sCaption = m_url.prettyURL();
+ }
+ else
+ m_sCaption = "";
+ emit setWindowCaption( m_sCaption );
+ }
+
+ // Now we have to delete the tempfile if it exists and if the current
+ // image position is on the local HD. If it's somewhere else we keep the
+ // tempfile in case the user calls saveAs() again.
+ if( m_url.isLocalFile() )
+ {
+ if( m_bTemp )
+ {
+ unlink( QFile::encodeName( m_file ) );
+ m_bTemp = false;
+ }
+ m_file = m_url.path();
+ }
+}
+
+void KViewViewer::slotFileDirty( const QString & )
+{
+ if( isModified() && isReadWrite() )
+ {
+ KPassivePopup * pop = new KPassivePopup( m_pParentWidget );
+ QVBox * vb = pop->standardView( i18n( "Load changed image? - %1" ).arg( kapp->aboutData()->programName() ),
+ QString::null, kapp->miniIcon() );
+ ( void )new QLabel( i18n( "The image %1 which you have modified has changed on disk.\n"
+ "Do you want to reload the file and lose your changes?\n"
+ "If you don't and subsequently save the image, you will lose the\n"
+ "changes that have already been saved." ).arg( url().fileName() ), vb );
+ QWidget * hb = new QWidget( vb );
+ QHBoxLayout * layout = new QHBoxLayout( hb );
+ layout->addItem( new QSpacerItem( 0, 0, QSizePolicy::Minimum, QSizePolicy::Minimum ) );
+ KPushButton * yes = new KPushButton( i18n("Reload"), hb );
+ layout->addWidget( yes );
+ layout->addItem( new QSpacerItem( 0, 0, QSizePolicy::Minimum, QSizePolicy::Minimum ) );
+ KPushButton * no = new KPushButton( i18n("Do Not Reload"), hb );
+ layout->addWidget( no );
+ layout->addItem( new QSpacerItem( 0, 0, QSizePolicy::Minimum, QSizePolicy::Minimum ) );
+ connect( yes, SIGNAL( clicked() ), this, SLOT( slotReloadUnmodified() ) );
+ connect( yes, SIGNAL( clicked() ), pop, SLOT( hide() ) );
+ connect( no, SIGNAL( clicked() ), pop, SLOT( hide() ) );
+ pop->setView( vb );
+ pop->setTimeout( 0 );
+ pop->setAutoDelete( true );
+ pop->show();
+ kdDebug( 4610 ) << "popup returned\n";
+ }
+ else
+ reload();
+}
+
+void KViewViewer::slotReloadUnmodified()
+{
+ setModified( false );
+ reload();
+ kdDebug( 4610 ) << "reload done\n";
+}
+
+void KViewViewer::slotToggleScrollbars()
+{
+ m_pCanvas->hideScrollbars( ! m_paShowScrollbars->isChecked() );
+}
+
+void KViewViewer::loadPlugins()
+{
+ KImageViewer::Viewer::loadPlugins( this, this, instance() );
+ if( factory() )
+ {
+ QPtrList<KParts::Plugin> plugins = KParts::Plugin::pluginObjects( this );
+ KParts::Plugin * plugin;
+ for( plugin = plugins.first(); plugin; plugin = plugins.next() )
+ factory()->addClient( plugin );
+ }
+}
+
+void KViewViewer::switchBlendEffect()
+{
+ if( m_vEffects.empty() )
+ m_pCanvas->setBlendEffect( 0 );
+ else
+ {
+ unsigned int num = KApplication::random() % m_vEffects.size();
+ m_pCanvas->setBlendEffect( m_vEffects[ num ] );
+ }
+}
+
+void KViewViewer::hasImage( bool b )
+{
+ emit m_pExtension->enableAction( "del", b );
+ emit m_pExtension->enableAction( "print", b );
+ if( ! b )
+ {
+ m_sCaption = i18n( "Title caption when no image loaded", "No Image Loaded" );
+ emit setWindowCaption( m_sCaption );
+ }
+}
+
+// vim:sw=4:ts=4
+
+#include "kviewviewer.moc"
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-25 17:33:50 +0000