try to improve the icon scaling

1 files changed, 10 insertions, 7 deletions

diff --git a/noncore/graphics/opie-eye/gui/iconview.cpp b/noncore/graphics/opie-eye/gui/iconview.cpp
index f173ecc..5472ead 100644
--- a/noncore/graphics/opie-eye/gui/iconview.cpp
+++ b/noncore/graphics/opie-eye/gui/iconview.cpp
@@ -1,881 +1,884 @@
 /*
  * GPLv2 zecke@handhelds.org
  * No WArranty...
  */
 
 #include "iconview.h"
 
 #include <lib/imagecache.h>
 #include <gui/imageinfoui.h>
 
 #include <iface/dirview.h>
 #include <iface/dirlister.h>
 
 #include <opie2/oconfig.h>
 #include <opie2/okeyconfigwidget.h>
 #include <opie2/odebug.h>
 #include <opie2/oimagescrollview.h>
 
 #include <qpe/resource.h>
 #include <qpe/qpemessagebox.h>
 #include <qpe/ir.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <qpe/qpeapplication.h>
 
 #include <qiconview.h>
 #include <qlabel.h>
 #include <qhbox.h>
 #include <qcombobox.h>
 #include <qdir.h>
 #include <qapplication.h>
 #include <qmainwindow.h>
 #include <qtimer.h>
 #include <qstyle.h>
 
 
 using Opie::Core::OKeyConfigItem;
 
 /*
  * The Icons, Request Cache and IconViewItem for the IconView
  */
 namespace {
     static QPixmap* _dirPix = 0;
     static QPixmap* _unkPix = 0;
     static QPixmap* _cpyPix = 0;
     static QPixmap* _emptyPix = 0;
     class IconViewItem : public QIconViewItem {
     public:
         IconViewItem( QIconView*, const QString& path, const QString& name,int a_iconsize, bool isDir = false);
         QPixmap* pixmap()const;
         QString path()const { return m_path; }
         bool isDir()const { return m_isDir; }
         void setText( const QString& );
         bool textOnly()const{return m_textOnly;}
         void setTextOnly(bool how){m_textOnly=how;}
         /* just for starting recalc of item rect! */
         virtual void setPixmap( const QPixmap & icon, bool recalc, bool redraw = TRUE );
         /* just for starting recalc of item rect! */
         virtual void setPixmap( const QPixmap & icon);
 
     protected:
         mutable QPixmap* m_pix;
         int m_iconsize;
         void check_pix()const;
 
     private:
         QString m_path;
         bool m_isDir : 1;
         bool m_noInfo :1;
         bool m_textOnly:1;
         bool m_NameOnly:1;
         bool m_Pixset:1;
     };
     class TextViewItem : public IconViewItem {
         TextViewItem( QIconView*, const QString& path, const QString& name, int a_iconsize , bool isDir = false);
         QPixmap *pixmap()const;
         void setText( const QString& );
     };
     class ThumbViewItem : public IconViewItem {
         ThumbViewItem( QIconView*, const QString& path, const QString& name, int a_iconsize, bool isDir = false );
         QPixmap *pixmap()const;
         void setText( const QString& );
     };
 
 
 /*
  * If we request an Image or String
  * we add it to the map
  */
     static QMap<QString, IconViewItem*> g_stringInf;
     static QMap<QString, IconViewItem*> g_stringPix;
 
     IconViewItem::IconViewItem( QIconView* view,const QString& path,
                                 const QString& name, int a_iconsize, bool isDir)
         : QIconViewItem( view, name ), m_path( path ), m_isDir( isDir ),
           m_noInfo( false ),m_textOnly(false),m_Pixset(false)
     {
         m_iconsize = a_iconsize;
         if ( isDir ) {
             if (!_dirPix ) {
                 _dirPix = new QPixmap( Resource::loadPixmap("advancedfm/FileBrowser"));
             }
         } else {
             if (!_unkPix ) {
                 _unkPix = new QPixmap( Resource::loadPixmap( "UnknownDocument" ) );
             }
         }
         check_pix();
     }
 
     inline void IconViewItem::check_pix()const
     {
         if (_dirPix && _dirPix->width()>m_iconsize) {
-            QPixmap*Pix = new QPixmap(*_dirPix);
-            Pix->resize(m_iconsize,m_iconsize);
-            delete _dirPix;
-            _dirPix = Pix;
+            QImage Pix = _dirPix->convertToImage();
+            *_dirPix = Pix.smoothScale(m_iconsize,m_iconsize);
         }
         if (!_cpyPix && _unkPix) {
             if (_unkPix->width()>=m_iconsize) {
-                _cpyPix = new QPixmap(*_unkPix);
-                if (_unkPix->width()>m_iconsize)
-                    _cpyPix->resize(m_iconsize,m_iconsize);
+                QImage Pix = _unkPix->convertToImage();
+                _cpyPix = new QPixmap();
+                if (_unkPix->width()>m_iconsize) {
+                    *_cpyPix = Pix.smoothScale(m_iconsize,m_iconsize);
+                } else {
+                    _cpyPix->convertFromImage(Pix);
+                }
+
             } else {
                 _cpyPix = new QPixmap(m_iconsize,m_iconsize);
                 _cpyPix->fill();
                 QPainter pa(_cpyPix);
                 int offset = (m_iconsize-_unkPix->width())/2;
                 int offy = (m_iconsize-_unkPix->height())/2;
                 if (offy<0) offy=0;
                 pa.drawPixmap(offset,offy,*_unkPix);
                 pa.end();
             }
         }
     }
 
     inline void IconViewItem::setPixmap( const QPixmap & , bool, bool )
     {
         m_Pixset = true;
         calcRect(text());
     }
     inline void IconViewItem::setPixmap( const QPixmap & )
     {
         m_Pixset = true;
         calcRect(text());
     }
 
     inline QPixmap* IconViewItem::pixmap()const {
 //      owarn << "Name is " << m_path.right( 15 ) << " rect is " << rect().x() << " " << rect().y()
 //            << " " << rect().width() << " " << rect().height() << " | " << iconView()->contentsX()
 //            << " " << iconView()->contentsY() << oendl;
 
         if (textOnly()&&!m_isDir) {
             if (!_emptyPix) _emptyPix = new QPixmap(0,0,1);
             return _emptyPix;
         }
         if ( m_isDir )
             return _dirPix;
         else{
             if (!m_noInfo && !g_stringInf.contains( m_path ) ) {
                 g_stringInf.insert( m_path, const_cast<IconViewItem*>(this));
                 currentView()->dirLister()->imageInfo( m_path );
             }
 
             m_pix = PPixmapCache::self()->cachedImage( m_path, m_iconsize, m_iconsize );
             if (!m_pix && !g_stringPix.contains( m_path )) {
                 check_pix();
                 g_stringPix.insert( m_path, const_cast<IconViewItem*>(this));
                 currentView()->dirLister()->thumbNail( m_path, m_iconsize, m_iconsize);
             }
             return m_pix ? m_pix : _cpyPix;
         }
     }
     inline void IconViewItem::setText( const QString& str ) {
         QString text = QIconViewItem::text()+"\n"+str;
         m_noInfo = true;
         QIconViewItem::setText( text );
     }
 }
 
 
 /*
  * Set up the GUI.. initialize the slave set up gui
  * and also load a dir
  */
 PIconView::PIconView( QWidget* wid, Opie::Core::OConfig* cfg )
     : QVBox( wid ), m_cfg( cfg ), m_updatet( false )
 {
     {
         QCopEnvelope( "QPE/Application/opie-eye_slave", "refUp()" );
     }
     m_path = QDir::homeDirPath();
     m_mode = 0;
     m_iconsize = 32;
     m_internalReset = false;
 
     QHBox *hbox = new QHBox( this );
     QLabel* lbl = new QLabel( hbox );
     lbl->setText(  tr("View as" ) );
 
     m_views = new QComboBox( hbox, "View As" );
 
     m_view= new QIconView( this );
     connect(m_view, SIGNAL(clicked(QIconViewItem*) ),
             this, SLOT(slotClicked(QIconViewItem*)) );
     connect(m_view, SIGNAL(returnPressed(QIconViewItem*)),
             this, SLOT(slotClicked(QIconViewItem*)) );
 
     m_view->setArrangement( QIconView::LeftToRight );
 
     m_mode = m_cfg->readNumEntry("ListViewMode", 1);
     QString lastView = m_cfg->readEntry("LastView","");
 
     if (m_mode < 1 || m_mode>3) m_mode = 1;
 
     m_view->setItemTextPos( QIconView::Right );
     if (m_mode >1) {
         m_view->setResizeMode(QIconView::Adjust);
     } else {
         m_view->setResizeMode(QIconView::Fixed);
     }
     m_iconsize = m_cfg->readNumEntry("iconsize", 32);
     if (m_iconsize<12)m_iconsize = 12;
     if (m_iconsize>64)m_iconsize = 64;
 
     calculateGrid();
 
     initKeys();
 
     loadViews();
     int cc=0;
     for (; cc<m_views->count();++cc) {
         if (m_views->text(cc)==lastView) {
             break;
         }
     }
     if (cc<m_views->count()) {
         m_views->setCurrentItem(cc);
         slotViewChanged(cc);
     } else {
         slotViewChanged(m_views->currentItem());
     }
     connect( m_views, SIGNAL(activated(int)),
              this, SLOT(slotViewChanged(int)) );
 }
 
 /*
  * Unref the slave and save the keyboard manager
  */
 PIconView::~PIconView() {
     {
         QCopEnvelope( "QPE/Application/opie-eye_slave", "refDown()" );
     }
     m_viewManager->save();
     delete m_viewManager;
 }
 
 Opie::Core::OKeyConfigManager* PIconView::manager() {
     return m_viewManager;
 }
 
 
 /*
  * init the KeyBoard Shortcuts
  * called from the c'tor
  */
 void PIconView::initKeys() {
     Opie::Core::OKeyPair::List lst;
     lst.append( Opie::Core::OKeyPair::upArrowKey() );
     lst.append( Opie::Core::OKeyPair::downArrowKey() );
     lst.append( Opie::Core::OKeyPair::leftArrowKey() );
     lst.append( Opie::Core::OKeyPair::rightArrowKey() );
     lst.append( Opie::Core::OKeyPair::returnKey() );
 
     m_viewManager = new Opie::Core::OKeyConfigManager(m_cfg, "View-KeyBoard-Config",
                                                     lst, false,this, "keyconfig name" );
     m_viewManager->addKeyConfig( OKeyConfigItem(tr("Beam Current Item") , "beam",
                                                 Resource::loadPixmap("beam"), BeamItem,
                                                 Opie::Core::OKeyPair(Qt::Key_B, Qt::ShiftButton),
                                                 this, SLOT(slotBeam())) );
     m_viewManager->addKeyConfig( OKeyConfigItem(tr("Delete Current Item"), "delete",
                                                 Resource::loadPixmap("trash"), DeleteItem,
                                                 Opie::Core::OKeyPair(Qt::Key_D, Qt::ShiftButton),
                                                 this, SLOT(slotTrash())) );
     m_viewManager->addKeyConfig( OKeyConfigItem(tr("View Current Item"), "view",
                                                 Resource::loadPixmap("1to1"), ViewItem,
                                                 Opie::Core::OKeyPair(Qt::Key_V, Qt::ShiftButton),
                                                 this, SLOT(slotShowImage())));
     m_viewManager->addKeyConfig( OKeyConfigItem(tr("Show Image Info") , "info",
                                                 Resource::loadPixmap("DocumentTypeWord"), InfoItem,
                                                 Opie::Core::OKeyPair(Qt::Key_I, Qt::ShiftButton ),
                                                 this, SLOT(slotImageInfo()) ) );
     m_viewManager->addKeyConfig( OKeyConfigItem(tr("Start slideshow"), "slideshow",
                                                 Resource::loadPixmap("1to1"), SlideItem,
                                                 Opie::Core::OKeyPair(Qt::Key_S, Qt::ShiftButton),
                                                 this, SLOT(slotStartSlide())));
     m_viewManager->load();
     m_viewManager->handleWidget( m_view );
 }
 
 
 /*
  * change one dir up
  */
 void PIconView::slotDirUp()
 {
     slotChangeDir( currentView()->dirLister()->dirUp( m_path ) );
 }
 
 /*
  * change the dir
  */
 void PIconView::slotChangeDir(const QString& path) {
     if ( !currentView() )
         return;
 
     PDirLister *lister = currentView()->dirLister();
     if (!lister )
         return;
 
     /*
      * Say what we want and take what we get
      */
     lister->setStartPath(  path );
     m_path = lister->currentPath();
 
     m_view->viewport()->setUpdatesEnabled( false );
     m_view->clear();
 
     // Also invalidate the cache. We can't cancel the operations anyway
     g_stringPix.clear();
     g_stringInf.clear();
 
     /*
      * add files and folders
      */
     addFolders( lister->folders() );
     addFiles( lister->files() );
     m_view->viewport()->setUpdatesEnabled( true );
 
     // looks ugly
     static_cast<QMainWindow*>(parent())->setCaption( QObject::tr("%1 - O View", "Name of the dir").arg( m_path ) );
 }
 
 /**
  * get the current file name
  * @param isDir see if this is a dir or real file
  */
 QString PIconView::currentFileName(bool &isDir)const {
     isDir = false;
     QIconViewItem* _it = m_view->currentItem();
     if ( !_it )
         return QString::null;
 
     IconViewItem* it = static_cast<IconViewItem*>( _it );
     isDir = it->isDir();
     return it->path();
 }
 
 QString PIconView::nextFileName(bool &isDir)const
 {
     isDir = false;
     QIconViewItem* _it1 = m_view->currentItem();
     if ( !_it1 )
         return QString::null;
     QIconViewItem* _it = _it1->nextItem();
     if ( !_it )
         return QString::null;
     IconViewItem* it = static_cast<IconViewItem*>( _it );
     isDir = it->isDir();
     return it->path();
 }
 
 QString PIconView::prevFileName(bool &isDir)const{
     isDir = false;
     QIconViewItem* _it = m_view->currentItem();
     if ( !_it )
         return QString::null;
     _it = _it->prevItem();
     if ( !_it )
         return QString::null;
     IconViewItem* it = static_cast<IconViewItem*>( _it );
     isDir = it->isDir();
     return it->path();
 }
 
 void PIconView::slotTrash() {
     bool isDir;
     QString pa = currentFileName( isDir );
     if ( isDir && pa.isEmpty() )
         return;
 
     if (!QPEMessageBox::confirmDelete( this,
                                       tr("Delete Image" ),
                                       tr("the Image %1" ).arg(pa)))
         return
 
 
     currentView()->dirLister()->deleteImage( pa );
     delete m_view->currentItem();
 }
 
 /*
  * see what views are available
  */
 void PIconView::loadViews() {
     ViewMap::Iterator it;
     ViewMap* map = viewMap();
     for ( it = map->begin(); it != map->end(); ++it )
         m_views->insertItem(  it.key()  );
 }
 
 void PIconView::resetView() {
     m_internalReset = true;
     // Also invalidate the cache. We can't cancel the operations anyway
     g_stringPix.clear();
     g_stringInf.clear();
     if (m_mode>1) {
         int osize = m_iconsize;
         m_iconsize = m_cfg->readNumEntry("iconsize", 32);
         if (m_iconsize<12)m_iconsize = 12;
         if (m_iconsize>64)m_iconsize = 64;
         if (osize != m_iconsize) {
             if (_dirPix){
                 delete _dirPix;
                 _dirPix = 0;
             }
             if (_cpyPix){
                 delete _cpyPix;
                 _cpyPix = 0;
             }
             calculateGrid();
         }
     } else {
         m_iconsize = 64;
     }
     slotViewChanged(m_views->currentItem());
     m_internalReset = false;
 }
 
 /*
  *swicth view reloadDir and connect signals
  */
 void PIconView::slotViewChanged( int i) {
     if (!m_views->count() ) {
         setCurrentView( 0l);
         return;
     }
 
     PDirView* cur = currentView();
     if (cur) delete cur;
     QString str = m_views->text(i);
     ViewMap* map = viewMap();
     if (!map) {
         setCurrentView(0l);
         return;
     }
 
     if (map->find(str) == map->end()) {
         owarn << "Key not found" << oendl;
         setCurrentView(0l);
         return;
     }
 
     m_cfg->writeEntry("LastView",str);
     m_cfg->write();
     cur = (*(*map)[str])(*m_cfg);
     setCurrentView( cur );
 
     /* connect to the signals of the lister */
     PDirLister* lis = cur->dirLister();
     connect(lis, SIGNAL(sig_thumbInfo(const QString&, const QString& )),
             this, SLOT( slotThumbInfo(const QString&, const QString&)));
     connect(lis, SIGNAL( sig_thumbNail(const QString&, const QPixmap&)),
             this, SLOT(slotThumbNail(const QString&, const QPixmap&)));
     connect(lis, SIGNAL(sig_start()),
             this, SLOT(slotStart()));
     connect(lis, SIGNAL(sig_end()) ,
             this, SLOT(slotEnd()) );
 
 
     /*  reload now with default Path
      * but only if it isn't a reset like from setupdlg
      */
     if (!m_internalReset) {
         m_path = lis->defaultPath();
     }
     QTimer::singleShot( 0,  this, SLOT(slotReloadDir()));
 }
 
 
 void PIconView::slotReloadDir() {
     slotChangeDir( m_path );
 }
 
 
 /*
  * add files and folders
  */
 void PIconView::addFolders(  const QStringList& lst) {
     QStringList::ConstIterator it;
     IconViewItem * _iv;
 
     for(it=lst.begin(); it != lst.end(); ++it ) {
         _iv = new IconViewItem( m_view, m_path+"/"+(*it), (*it),m_iconsize, true );
         if (m_mode==3) _iv->setTextOnly(true);
     }
 }
 
 void PIconView::addFiles(  const QStringList& lst) {
     QStringList::ConstIterator it;
     IconViewItem * _iv;
     QPixmap*m_pix = 0;
     QString pre = "";
     if (!m_path.isEmpty()) {
         pre = m_path+"/";
     }
     for (it=lst.begin(); it!= lst.end(); ++it ) {
          m_pix = PPixmapCache::self()->cachedImage( pre+(*it), m_iconsize, m_iconsize );
         _iv = new IconViewItem( m_view, pre+(*it), (*it),m_iconsize );
         if (m_mode==3) {
             _iv->setTextOnly(true);
             _iv->setPixmap(QPixmap());
 
 
 
         } else {
             if (m_pix) _iv->setPixmap(*m_pix);
         }
     }
 
 }
 
 /*
  * user clicked on the item. Change dir or view
  */
 void PIconView::slotClicked(QIconViewItem* _it) {
     if(!_it )
         return;
 
     IconViewItem* it = static_cast<IconViewItem*>(_it);
     if( it->isDir() )
         slotChangeDir( it->path() );
     else // view image
         slotShowImage();
 }
 
 /*
  * Return was pressed. which is triggered by the keydown
  * handler. The problem is that the key up will be handled
  * by the ImageDisplayer and goes to the next image
  */
 void PIconView::slotRetrun( QIconViewItem *_it ) {
     if(!_it )
         return;
 
     IconViewItem* it = static_cast<IconViewItem*>(_it);
     if( it->isDir() )
         slotChangeDir( it->path() );
     else
         QTimer::singleShot(0, this, SLOT(slotShowImage()) );
 }
 
 /*
  * got thumb info add to the cache if items is visible
  * we later need update after processing of slave is done
  */
 void PIconView::slotThumbInfo( const QString& _path, const QString& str ) {
     IconViewItem* item = g_stringInf[_path];
     if (!item )
         return;
 
     if (m_mode == 2) {
         return;
     }
     if ( item->intersects(QRect( m_view->contentsX(),m_view->contentsY(),
                                  m_view->contentsWidth(), m_view->contentsHeight() ) ) )
         m_updatet = true;
 
     item->setText( str );
     g_stringInf.remove( _path );
 }
 
 /*
  * got thumbnail and see if it is visible so we need to update later
  */
 void PIconView::slotThumbNail(const QString& _path, const QPixmap &pix) {
     IconViewItem* item = g_stringPix[_path];
     if (!item )
         return;
 
     if ( item->intersects(QRect( m_view->contentsX(),m_view->contentsY(),
                                  m_view->contentsWidth(), m_view->contentsHeight() ) ) )
         m_updatet = true;
 
     if (pix.width()>0) {
         if (pix.width()<m_iconsize) {
             QPixmap p(m_iconsize,m_iconsize);
             p.fill();
             QPainter pa(&p);
             int offset = (m_iconsize-pix.width())/2;
             int offy = (m_iconsize-pix.height())/2;
             if (offy<0) offy=0;
             pa.drawPixmap(offset,offy,pix);
             pa.end();
             PPixmapCache::self()->insertImage( _path, p, m_iconsize, m_iconsize );
             item->setPixmap(p,true);
         } else {
             PPixmapCache::self()->insertImage( _path, pix, m_iconsize, m_iconsize );
             item->setPixmap(pix,true);
         }
 
     } else {
         PPixmapCache::self()->insertImage( _path, Resource::loadPixmap( "UnknownDocument" ), m_iconsize, m_iconsize );
     }
     g_stringPix.remove( _path );
     m_view->arrangeItemsInGrid(true);
 }
 
 
 /*
  * FIXME rename
  */
 void PIconView::slotRename() {
 
 }
 
 
 /*
  * BEAM the current file
  */
 void PIconView::slotBeam() {
     bool isDir;
     QString pa = currentFileName( isDir );
     if ( isDir && pa.isEmpty() )
         return;
 
     Ir* ir = new Ir( this );
     connect( ir, SIGNAL(done(Ir*)),
              this, SLOT(slotBeamDone(Ir*)));
     ir->send(pa, tr( "Image" ) );
 }
 
 /*
  * BEAM done clean up
  */
 void PIconView::slotBeamDone( Ir* ir) {
     delete ir;
 }
 
 void PIconView::slotStart() {
     m_view->viewport()->setUpdatesEnabled( false );
 }
 
 void PIconView::slotEnd() {
     if ( m_updatet )
         m_view->arrangeItemsInGrid( );
     m_view->viewport()->setUpdatesEnabled( true );
     m_updatet = false;
 }
 
 void PIconView::slotShowLast()
 {
     QIconViewItem* last_it = m_view->lastItem();
     if (!last_it) return;
     m_view->setCurrentItem(last_it);
     IconViewItem* it = static_cast<IconViewItem*>( last_it );
     bool isDir = it->isDir();
     QString name = it->path();
     if (!isDir && !name.isEmpty()) {
         slotShowImage(name);
         return;
     }
     bool first_loop = true;
     while(isDir==true) {
         if (!first_loop) {
             m_view->setCurrentItem(m_view->currentItem()->prevItem());
         } else {
             first_loop = false;
         }
         name = prevFileName(isDir);
     }
 
     if (name.isEmpty()) return;
     /* if we got a name we have a prev item */
     m_view->setCurrentItem(m_view->currentItem()->prevItem());
     slotShowImage(name);
 }
 
 bool PIconView::slotShowFirst()
 {
     /* stop when reached - otherwise we may get an endless loop */
     QIconViewItem* first_it = m_view->firstItem();
     if (!first_it) return false;
     m_view->setCurrentItem(first_it);
     IconViewItem* it = static_cast<IconViewItem*>( first_it );
     bool isDir = it->isDir();
     QString name = it->path();
     if (!isDir && !name.isEmpty()) {
         slotShowImage(name);
         return false;
     }
     bool first_loop = true;
     while(isDir==true) {
         /* if name is empty isDir is false, too. */
         if (!first_loop) {
             m_view->setCurrentItem(m_view->currentItem()->nextItem());
         } else {
             first_loop = false;
         }
         name = nextFileName(isDir);
     }
     if (name.isEmpty()) return false;
     /* if we got a name we have a next item */
     m_view->setCurrentItem(m_view->currentItem()->nextItem());
     slotShowImage(name);
     return true;
 }
 
 void PIconView::slotShowNext()
 {
     bool isDir = false;
     QString name = nextFileName(isDir);
     while (isDir==true) {
         m_view->setCurrentItem(m_view->currentItem()->nextItem());
         name = nextFileName(isDir);
     }
     if (name.isEmpty()) {
         slotShowFirst();
         return;
     }
     if (isDir) return;
     /* if we got a name we have a next item */
     m_view->setCurrentItem(m_view->currentItem()->nextItem());
     slotShowImage(name);
 }
 
 void PIconView::slotShowPrev()
 {
     bool isDir = false;
     QString name = prevFileName(isDir);
     while (isDir==true) {
         /* if name is empty isDir is false, too. */
         m_view->setCurrentItem(m_view->currentItem()->prevItem());
         name = prevFileName(isDir);
     }
     if (name.isEmpty()) {
         slotShowLast();
         return;
     }
     if (isDir) return;
     /* if we got a name we have a prev item */
     m_view->setCurrentItem(m_view->currentItem()->prevItem());
     slotShowImage(name);
 }
 
 void PIconView::slotShowImage()
 {
     bool isDir = false;
     QString name = currentFileName(isDir);
     if (isDir) return;
     slotShowImage( name );
 }
 void PIconView::slotShowImage( const QString& name) {
     PDirLister *lister = currentView()->dirLister();
     QString r_name = lister->nameToFname(name);
     emit sig_display(r_name);
 }
 
 void PIconView::slotStartSlide() {
     bool isDir = false;
     QString name = currentFileName(isDir);
     if (isDir) {
         if (!slotShowFirst())
             return;
     } else {
         slotShowImage( name );
     }
     int t = m_cfg->readNumEntry("slideshowtimeout", 2);
     emit sig_startslide(t);
 }
 
 void PIconView::slotImageInfo() {
     bool isDir = false;
     QString name = currentFileName(isDir);
     if (isDir) return;
     slotImageInfo( name );
 }
 
 void PIconView::slotImageInfo( const QString& name) {
     PDirLister *lister = currentView()->dirLister();
     QString r_name = lister->nameToFname(name);
     emit sig_showInfo(r_name );
 }
 
 
 void PIconView::slotChangeMode( int mode ) {
     if ( mode >= 1 && mode <= 3 ) {
         m_mode = mode;
         m_cfg->writeEntry("ListViewMode", m_mode);
         /* performance! */
         m_view->clear();
         if (m_mode >1) {
             m_view->setResizeMode(QIconView::Adjust);
         } else {
             m_view->setResizeMode(QIconView::Fixed);
         }
         if (m_mode==1) {
             m_iconsize = 64;
         } else {
             m_iconsize = m_cfg->readNumEntry("iconsize", 32);
             if (m_iconsize<12)m_iconsize = 12;
             if (m_iconsize>64)m_iconsize = 64;
         }
         if (_dirPix){
             delete _dirPix;
             _dirPix = 0;
         }
         if (_cpyPix){
             delete _cpyPix;
             _cpyPix = 0;
         }
         calculateGrid();
         slotReloadDir();
     }
 }
 
 
 void PIconView::resizeEvent( QResizeEvent* re ) {
     calculateGrid(re);
     QVBox::resizeEvent( re );
     //calculateGrid();
 }
 
 
 void PIconView::calculateGrid(QResizeEvent* re)
 {
     int viewerWidth;
     if (re) {
         viewerWidth=re->size().width();
     } else {
         int dw = QApplication::desktop()->width();
         viewerWidth = dw-style().scrollBarExtent().width();
     }
 
     QIconView::ItemTextPos pos;
     switch( m_mode ) {
     case 2:
         pos = QIconView::Bottom;
         break;
     case 3:
     case 1:
     default:
         pos = QIconView::Right;
         break;
     }
     int cache = 0;
     m_view->setItemTextPos( pos );
     switch (m_mode) {
         case 2:
             m_view->setSpacing(2);
             m_view->setGridX(m_iconsize);
             m_view->setGridY(-1);
             cache = (int)((double)64/(double)m_iconsize*40.0);
             odebug << "cache size: " << cache << oendl;
             PPixmapCache::self()->setMaxImages(cache);
             break;
         case 3:
             m_view->setSpacing(10);
             m_view->setGridX( fontMetrics().width("testimage.jpg")+20);
             m_view->setGridY(8);
             PPixmapCache::self()->setMaxImages(2);
             break;
         case 1:
         default:
             m_view->setSpacing(10);
             m_view->setGridX( viewerWidth-3*m_view->spacing());
             m_view->setGridY( fontMetrics().height()*2+40 );
             PPixmapCache::self()->setMaxImages(20);
             break;
     }
 }