again some improvements to image icons

2 files changed, 17 insertions, 8 deletions

diff --git a/core/launcher/launcherview.cpp b/core/launcher/launcherview.cpp
index 42704ba..72313e3 100644
--- a/core/launcher/launcherview.cpp
+++ b/core/launcher/launcherview.cpp
@@ -48,809 +48,816 @@ using namespace Opie::Core;
 class BgPixmap
 {
 public:
     BgPixmap( const QPixmap &p ) : pm(p), ref(1) {}
     QPixmap pm;
     int ref;
 };
 
 
 static QMap<QString,BgPixmap*> *bgCache = 0;
 
 static void cleanup_cache()
 {
     QMap<QString,BgPixmap*>::Iterator it = bgCache->begin();
     while ( it != bgCache->end() ) {
     QMap<QString,BgPixmap*>::Iterator curr = it;
     ++it;
     delete (*curr);
     bgCache->remove( curr );
     }
     delete bgCache;
     bgCache = 0;
 }
 
 
 class LauncherItem : public QIconViewItem
 {
 public:
     enum iconstate_t {
         BASE_ICON,
         WAITING_ICON,
         EYE_ICON
     };
 
     LauncherItem( QIconView *parent, AppLnk* applnk, bool bigIcon=TRUE );
     ~LauncherItem();
 
     AppLnk *appLnk() const { return app; }
     AppLnk *takeAppLnk() { AppLnk* r=app; app=0; return r; }
 
     void animateIcon();
     void resetIcon();
     bool isEyeImage()const{return m_EyeImage;}
 
     virtual int compare ( QIconViewItem * i ) const;
     void paintItem( QPainter *p, const QColorGroup &cg );
 
     void setBusyIndicatorType ( BusyIndicatorType t ) { busyType = t; }
     void setEyePixmap(const QPixmap&aIcon);
     virtual QPixmap*pixmap()const;
 
 protected:
     bool isBigIcon;
     int iteration;
     AppLnk* app;
 
 private:
     void paintAnimatedIcon( QPainter *p );
     BusyIndicatorType busyType;
     int psize;
     QPixmap m_iPixmap;
     bool m_EyeImage;
     iconstate_t m_EyeImageSet;
 };
 
 LauncherItem::LauncherItem( QIconView *parent, AppLnk *applnk, bool bigIcon )
     : QIconViewItem( parent, applnk->name(),
            bigIcon ? applnk->bigPixmap() :applnk->pixmap() ),
     isBigIcon( bigIcon ),
     iteration(0),
     app(applnk), // Takes ownership
     psize( (bigIcon ? applnk->bigPixmap().width() :applnk->pixmap().width() ) ),
     m_iPixmap(),
     m_EyeImage(false),
     m_EyeImageSet(BASE_ICON)
 {
     if (applnk->type().lower().startsWith("image/") && applnk->exec().contains("opie-eye",false)) {
         m_EyeImage = true;
         m_iPixmap = (bigIcon ? applnk->bigPixmap():applnk->pixmap());
     }
 }
 
 LauncherItem::~LauncherItem()
 {
     LauncherIconView* liv = (LauncherIconView*)iconView();
     if ( liv->busyItem() == this )
     liv->setBusy(FALSE);
     delete app;
 }
 
 QPixmap*LauncherItem::pixmap()const
 {
     if (m_EyeImage && m_EyeImageSet == BASE_ICON) {
         LauncherIconView* liv = (LauncherIconView*)iconView();
         liv->requestEyePix(this);
     }
     return QIconViewItem::pixmap();
 }
 
 int LauncherItem::compare ( QIconViewItem * i ) const
 {
     LauncherIconView* view = (LauncherIconView*)iconView();
     return view->compare(app,((LauncherItem *)i)->appLnk());
 }
 
 void LauncherItem::paintItem( QPainter *p, const QColorGroup &cg )
 {
     LauncherIconView* liv = (LauncherIconView*)iconView();
     QBrush oldBrush( liv->itemTextBackground() );
     QColorGroup mycg( cg );
     if ( liv->currentItem() == this ) {
         liv->setItemTextBackground( cg.brush( QColorGroup::Highlight ) );
         mycg.setColor( QColorGroup::Text, cg.color( QColorGroup::HighlightedText ) );
     }
 
     QIconViewItem::paintItem(p,mycg);
 
     // Paint animation overlay
     if ( liv->busyItem() == this )
         paintAnimatedIcon(p);
 
     if ( liv->currentItem() == this )
         liv->setItemTextBackground( oldBrush );
 }
 
 void LauncherItem::paintAnimatedIcon( QPainter *p )
 {
     LauncherIconView* liv = (LauncherIconView*)iconView();
     int pic = iteration % 16;
     int w = pixmap()->width(), h = pixmap()->height();
     QPixmap dblBuf( w, h + 4 );
     QPainter p2( &dblBuf );
     int x1, y1;
     if ( liv->itemTextPos() == QIconView::Bottom ) {
     x1 = x() + (width() - w) / 2 - liv->contentsX();
     y1 = y() - liv->contentsY();
     } else {
     x1 = x() - liv->contentsX();
     y1 = y() + (height() - h) / 2 - liv->contentsY();
     }
     y1 -= 2;
     p2.translate(-x1,-y1);
     liv->drawBackground( &p2, QRect(x1,y1,w,h+4) );
     int bounceY = 2;
 #ifdef BOUNCE_BUSY_ICON
     if ( busyType == BIT_Animated ) {
        bounceY = 4 - ((iteration+2)%8);
        bounceY = bounceY < 0 ? -bounceY : bounceY;
     }
 #endif
     p2.drawPixmap( x1, y1 + bounceY, *pixmap() );
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     p2.drawPixmap( x1, y1 + bounceY, liv->busyPixmap(), w * pic, 0, w, h );
 #else
     Q_UNUSED( pic )
 #endif
     p->drawPixmap( x1, y1, dblBuf );
 }
 
 void LauncherItem::animateIcon()
 {
     LauncherIconView* liv = (LauncherIconView*)iconView();
 
     if ( liv->busyItem() != this || !app )
     return;
 
     // Highlight the icon
     if ( iteration == 0 ) {
         QPixmap src = (isEyeImage()?m_iPixmap:(isBigIcon ? app->bigPixmap() : app->pixmap()));
         QImage img = src.convertToImage();
         QRgb *rgb;
         int count;
         if ( img.depth() == 32 ) {
             rgb = (QRgb*)img.bits();
             count = img.bytesPerLine()/sizeof(QRgb)*img.height();
         } else {
             rgb = img.colorTable();
             count = img.numColors();
         }
         for ( int r = 0; r < count; r++, rgb++ ) {
 #if defined(BRIGHTEN_BUSY_ICON)
             QColor c(*rgb);
             int h, s, v;
             c.hsv(&h,&s,&v);
             c.setHsv(h,QMAX(s-24,0),QMIN(v+48,255));
             *rgb = qRgba(c.red(),c.green(),c.blue(),qAlpha(*rgb));
 #elif defined(ALPHA_FADE_BUSY_ICON)
             *rgb = qRgba(qRed(*rgb),qGreen(*rgb),qBlue(*rgb),qAlpha(*rgb)/2);
 #endif
         }
         src.convertFromImage( img );
         setPixmap( src );
     }
 
     iteration++;
 
     // Paint animation overlay
     QPainter p( liv->viewport() );
     paintAnimatedIcon( &p );
 }
 
 void LauncherItem::resetIcon()
 {
     iteration = 0;
     setPixmap((isEyeImage()?m_iPixmap:(isBigIcon ? app->bigPixmap() : app->pixmap())));
 }
 
 void LauncherItem::setEyePixmap(const QPixmap&aIcon)
 {
     if (!isEyeImage()) return;
     m_iPixmap = aIcon;
     setPixmap(aIcon);
     m_EyeImageSet = EYE_ICON;
 }
 
 //===========================================================================
 // Implemantation of LauncherIconview start
 //===========================================================================
 LauncherIconView::LauncherIconView( QWidget* parent, const char* name )
     : QIconView(parent,name),tf(""),cf(0),bsy(0),busyTimer(0),bigIcns(TRUE),bgColor(white)
 {
     m_EyeCallBack = 0;
     sortmeth = Name;
     hidden.setAutoDelete(TRUE);
     ike = FALSE;
     calculateGrid( Bottom );
     connect(&m_eyeTimer,SIGNAL(timeout()),this,SLOT(stopEyeTimer()));
 }
 
 LauncherIconView::~LauncherIconView()
 {
 #if 0 // debuggery
     QListIterator<AppLnk> it(hidden);
     AppLnk* l;
     while ((l=it.current())) {
         ++it;
         //odebug << "" << l << ": hidden (should remove)" << oendl;
     }
 #endif
 }
 
 int LauncherIconView::compare(const AppLnk* a, const AppLnk* b)
 {
     switch (sortmeth) {
     case Name:
         return a->name().lower().compare(b->name().lower());
     case Date: {
         QFileInfo fa(a->linkFileKnown() ? a->linkFile() : a->file());
         QFileInfo fb(b->linkFileKnown() ? b->linkFile() : b->file());
         return fa.lastModified().secsTo(fb.lastModified());
     }
     case Type:
         return a->type().compare(b->type());
     }
     return 0;
 }
 
 void LauncherIconView::setSortMethod( SortMethod m )
 {
     if ( sortmeth != m ) {
         sortmeth = m;
         sort();
     }
 }
 
 void LauncherIconView::setCategoryFilter( int catfilter, bool resort )
 {
         Categories cat;
         cat.load( categoryFileName() );
         QString str;
         if ( catfilter == -2 )
             cf = 0;
         else
             cf = catfilter;
         hideOrShowItems(resort);
 }
 
 void LauncherIconView::setTypeFilter(const QString& typefilter, bool resort)
 {
     tf = QRegExp(typefilter,FALSE,TRUE);
     hideOrShowItems(resort);
 }
 
 void LauncherIconView::setItemTextPos( ItemTextPos pos )
 {
     calculateGrid( pos );
     QIconView::setItemTextPos( pos );
 }
 
 void LauncherIconView::drawBackground( QPainter *p, const QRect &r )
 {
     if ( !bgPixmap.isNull() ) {
         p->drawTiledPixmap( r, bgPixmap,
                 QPoint( (r.x() + contentsX()) % bgPixmap.width(),
                 (r.y() + contentsY()) % bgPixmap.height() ) );
     } else {
         p->fillRect( r, bgColor );
     }
 }
 
 void LauncherIconView::addCatsAndMimes(AppLnk* app)
     {
     //  QStringList c = app->categories();
     //  for (QStringList::ConstIterator cit=c.begin(); cit!=c.end(); ++cit) {
     //      cats.replace(*cit,(void*)1);
     //  }
     QString maj=app->type();
     int sl=maj.find('/');
     if (sl>=0) {
         QString k;
         k = maj.left(12) == "application/" ? maj : maj.left(sl);
         mimes.replace(k,(void*)1);
     }
 }
 
 void LauncherIconView::setBusy(bool on)
 {
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     if ( busyPix.isNull() ) {
         int size = ( bigIcns ) ? AppLnk::bigIconSize() : AppLnk::smallIconSize();
         busyPix.convertFromImage( Resource::loadImage( "busy" ).smoothScale( size * 16, size ) );
     }
 #endif
 
     if ( on ) {
         busyTimer = startTimer( 100 );
     } else {
         if ( busyTimer ) {
             killTimer( busyTimer );
         busyTimer = 0;
         }
     }
 
     LauncherItem *c = on ? (LauncherItem*)currentItem() : 0;
 
     if ( bsy != c ) {
         LauncherItem *oldBusy = bsy;
         bsy = c;
         if ( oldBusy )  {
         oldBusy->resetIcon();
                     }
         if ( bsy )   {
                                 bsy->setBusyIndicatorType( busyType ) ;
         bsy->animateIcon();
                     }
     }
 }
 
 void LauncherIconView::clear()
 {
     mimes.clear();
     cats.clear();
     QIconView::clear();
     hidden.clear();
 }
 
 QStringList LauncherIconView::mimeTypes() const
 {
     QStringList r;
     QDictIterator<void> it(mimes);
     while (it.current()) {
         r.append(it.currentKey());
         ++it;
     }
     r.sort();
     return r;
 }
 
 LauncherItem*LauncherIconView::findDocItem(const QString&fname)
 {
     LauncherItem* item = (LauncherItem*)firstItem();
     while (item) {
         if (item->appLnk()->file()==fname) {
             break;
         }
         item = (LauncherItem*)item->nextItem();
     }
     return item;
 }
 
 void LauncherIconView::setEyePixmap(const QPixmap&aPixmap,const QString&aFile,int width)
 {
     int s = ( bigIcns ) ? AppLnk::bigIconSize() : AppLnk::smallIconSize();
     if (s!=width) return;
-    LauncherItem*item = findDocItem(aFile);
+    LauncherItem*item = 0;
+    QMap<QString,LauncherItem*>::Iterator it;
+    if ( ( it = m_itemCache.find(aFile))!=m_itemCache.end()) {
+        item = it.data();
+        m_itemCache.remove(it);
+    } else {
+        item = findDocItem(aFile);
+    }
     if (!item||!item->isEyeImage()) return;
     item->setEyePixmap(aPixmap);
 }
 
 void LauncherIconView::checkCallback()
 {
-    if (m_EyeCallBack) {
-        return;
+    if (!m_EyeCallBack) {
+        m_EyeCallBack = new LauncherThumbReceiver();
+        connect(m_EyeCallBack,SIGNAL(sig_Thumbnail(const QPixmap&,const QString&,int)),
+            this,SLOT(setEyePixmap(const QPixmap&,const QString&,int)));
+        m_eyeTimer.changeInterval(600000);
     }
-    m_EyeCallBack = new LauncherThumbReceiver();
-    connect(m_EyeCallBack,SIGNAL(sig_Thumbnail(const QPixmap&,const QString&,int)),
-        this,SLOT(setEyePixmap(const QPixmap&,const QString&,int)));
 }
 
 void LauncherIconView::addCheckItem(AppLnk* app)
 {
     LauncherItem*item = new LauncherItem( this, app, bigIcns );
     if (item->isEyeImage()) {
         checkCallback();
     }
 }
 
 void LauncherIconView::requestEyePix(const LauncherItem*item)
 {
     if (!item) return;
     if (item->isEyeImage()) {
-        m_eyeTimer.changeInterval(600000);
         checkCallback();
         int s = ( bigIcns ) ? AppLnk::bigIconSize() : AppLnk::smallIconSize();
+        m_itemCache[item->appLnk()->file()]=(LauncherItem*)item;
         m_EyeCallBack->requestThumb(item->appLnk()->file(),s,s);
     }
 }
 
 void LauncherIconView::stopEyeTimer()
 {
-    odebug << "Launcherview: delete opie-eye handle" << oendl;
     if (m_EyeCallBack) {
         delete m_EyeCallBack;
         m_EyeCallBack=0;
     }
+    m_itemCache.clear();
     m_eyeTimer.stop();
 }
 
 void LauncherIconView::addItem(AppLnk* app, bool resort)
 {
     addCatsAndMimes(app);
     if ( (tf.isEmpty() || tf.match(app->type()) >= 0)
      && (cf == 0 || app->categories().contains(cf)
          || cf == -1 && app->categories().count() == 0 ) ) {
         addCheckItem(app);
     } else {
         hidden.append(app);
     }
     if ( resort ){
         sort();
     }
 }
 
 void LauncherIconView::updateCategoriesAndMimeTypes()
 {
     mimes.clear();
     cats.clear();
     LauncherItem* item = (LauncherItem*)firstItem();
     while (item) {
         addCatsAndMimes(item->appLnk());
         item = (LauncherItem*)item->nextItem();
     }
     QListIterator<AppLnk> it(hidden);
     AppLnk* l;
     while ((l=it.current())) {
         addCatsAndMimes(l);
         ++it;
     }
 }
 
 void LauncherIconView::hideOrShowItems(bool resort)
 {
     viewport()->setUpdatesEnabled( FALSE );
     hidden.setAutoDelete(FALSE);
     QList<AppLnk> links=hidden;
     hidden.clear();
     hidden.setAutoDelete(TRUE);
     LauncherItem* item = (LauncherItem*)firstItem();
     while (item) {
         links.append(item->takeAppLnk());
         item = (LauncherItem*)item->nextItem();
     }
     clear();
     QListIterator<AppLnk> it(links);
     AppLnk* l;
     while ((l=it.current())) {
         addItem(l,FALSE);
         ++it;
     }
     if ( resort && !autoArrange() )
     sort();
     viewport()->setUpdatesEnabled( TRUE );
 }
 
 bool LauncherIconView::removeLink(const QString& linkfile)
 {
     LauncherItem* item = (LauncherItem*)firstItem();
     AppLnk* l;
     bool did = FALSE;
     DocLnk dl(linkfile);
     while (item) {
         l = item->appLnk();
         LauncherItem *nextItem = (LauncherItem *)item->nextItem();
         if (  l->linkFileKnown() && l->linkFile() == linkfile || l->fileKnown() &&
                  ( l->file() == linkfile || dl.isValid() && dl.file() == l->file() ) ) {
             delete item;
             did = TRUE;
         }
         item = nextItem;
     }
     QListIterator<AppLnk> it(hidden);
     while ((l=it.current())) {
         ++it;
         if ( l->linkFileKnown() && l->linkFile() == linkfile
                 || l->file() == linkfile
                 || dl.isValid() && dl.file() == l->file() ) {
             hidden.removeRef(l);
            did = TRUE;
         }
     }
     return did;
 }
 
 void LauncherIconView::timerEvent( QTimerEvent *te )
 {
     if ( te->timerId() == busyTimer ) {
         if ( bsy )
         bsy->animateIcon();
     } else {
         QIconView::timerEvent( te );
     }
 }
 
 void LauncherIconView::setBigIcons( bool bi )
 {
     bigIcns = bi;
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     busyPix.resize(0,0);
 #endif
 }
 
 QIconViewItem* LauncherIconView::busyItem() const
 {
     return bsy;
 }
 
 void LauncherIconView::setBusyIndicatorType ( BusyIndicatorType t ) { busyType = t; }
 
 void LauncherIconView::calculateGrid( ItemTextPos pos )
 {
         int dw = QApplication::desktop()->width();
         int viewerWidth = dw-style().scrollBarExtent().width();
         if ( pos == Bottom ) {
             int cols = 3;
             if ( viewerWidth <= 200 )
                 cols = 2;
             else if ( viewerWidth >= 400 )
                  cols = viewerWidth/96;
             setSpacing( 4 );
             setGridX( (viewerWidth-(cols+1)*spacing())/cols );
             setGridY( fontMetrics().height()*2+24 );
         } else {
             int cols = 2;
             if ( viewerWidth < 150 )
                 cols = 1;
             else if ( viewerWidth >= 400 )
                 cols = viewerWidth/150;
             setSpacing( 2 );
             setGridX( (viewerWidth-(cols+1)*spacing())/cols );
             setGridY( fontMetrics().height()+2 );
         }
 }
 
 void LauncherIconView::styleChange( QStyle &old )
 {
     QIconView::styleChange( old );
     calculateGrid( itemTextPos() );
 }
 
 void LauncherIconView::keyPressEvent(QKeyEvent* e)
 {
     ike = TRUE;
     if ( e->key() == Key_F33 /* OK button */ || e->key() == Key_Space ) {
         if ( (e->state() & ShiftButton) )
             emit mouseButtonPressed(ShiftButton, currentItem(), QPoint() );
          else
             returnPressed(currentItem());
     }
 
     QIconView::keyPressEvent(e);
     ike = FALSE;
 }
 
 //===========================================================================
 // Implemantation of LauncherIconview end
 //===========================================================================
 
 
 //===========================================================================
 LauncherView::LauncherView( QWidget* parent, const char* name, WFlags fl )
     : QVBox( parent, name, fl )
 {
     catmb = 0;
     icons = new LauncherIconView( this );
     setFocusProxy(icons);
     QPEApplication::setStylusOperation( icons->viewport(), QPEApplication::RightOnHold );
 
     icons->setItemsMovable( FALSE );
     icons->setAutoArrange( TRUE );
     icons->setSorting( TRUE );
     icons->setFrameStyle( QFrame::NoFrame );
     icons->setMargin( 0 );
     icons->setSelectionMode( QIconView::NoSelection );
     icons->setBackgroundMode( PaletteBase );
     icons->setResizeMode( QIconView::Fixed );
     vmode = (ViewMode)-1;
     setViewMode( Icon );
 
     connect( icons, SIGNAL(mouseButtonClicked(int,QIconViewItem*,const QPoint&)),
            SLOT(itemClicked(int,QIconViewItem*)) );
     connect( icons, SIGNAL(selectionChanged()),
            SLOT(selectionChanged()) );
     connect( icons, SIGNAL(returnPressed(QIconViewItem*)),
            SLOT(returnPressed(QIconViewItem*)) );
     connect( icons, SIGNAL(mouseButtonPressed(int,QIconViewItem*,const QPoint&)),
            SLOT(itemPressed(int,QIconViewItem*)) );
 
     tools = 0;
     setBackgroundType( Ruled, QString::null );
 }
 
 LauncherView::~LauncherView()
 {
     if ( bgCache && bgCache->contains( bgName ) )
     (*bgCache)[bgName]->ref--;
 }
 
 
 bool LauncherView::bsy=FALSE;
 
 void LauncherView::setBusy(bool on)
 {
     icons->setBusy(on);
 }
 
 void LauncherView::setBusyIndicatorType( const QString& type ) {
     if ( type. lower ( ) == "animated" )
     icons->setBusyIndicatorType(  BIT_Animated  ) ;
     else
     icons->setBusyIndicatorType(  BIT_Normal  ) ;
 }
 
 void LauncherView::hideIcons()
 {
     icons->hide();
 }
 
 void LauncherView::setToolsEnabled(bool y)
 {
     if ( !y != !tools ) {
     if ( y ) {
         tools = new QHBox(this);
 
         // Type filter
         typemb = new QComboBox(tools);
         QSizePolicy p = typemb->sizePolicy();
         p.setHorData(QSizePolicy::Expanding);
         typemb->setSizePolicy(p);
 
         // Category filter
         updateTools();
         tools->show();
 
     } else {
         delete tools;
         tools = 0;
     }
     }
 }
 
 void LauncherView::updateTools()
 {
     disconnect( typemb, SIGNAL(activated(int)),
             this, SLOT(showType(int)) );
     if ( catmb ) disconnect( catmb, SIGNAL(signalSelected(int)),
             this, SLOT(showCategory(int)) );
 
     // ### I want to remove this
     icons->updateCategoriesAndMimeTypes();
 
     QString prev;
 
     // Type filter
     QStringList types;
     typelist = icons->mimeTypes();
     for (QStringList::ConstIterator it = typelist.begin(); it!=typelist.end(); ++it) {
     QString t = *it;
     if ( t.left(12) == "application/" ) {
         MimeType mt(t);
         const AppLnk* app = mt.application();
         if ( app )
         t = app->name();
         else
         t = t.mid(12);
     } else {
         t[0] = t[0].upper();
     }
     types += t;
     }
     types << tr("All types");
     prev = typemb->currentText();
     typemb->clear();
     typemb->insertStringList(types);
     for (int i=0; i<typemb->count(); i++) {
     if ( typemb->text(i) == prev ) {
         typemb->setCurrentItem(i);
         break;
     }
     }
     if ( prev.isNull() )
     typemb->setCurrentItem(typemb->count()-1);
 
     int pcat = catmb ? catmb->currentCategory() : -2;
     if ( !catmb )
     catmb = new CategorySelect(tools);
     Categories cats( 0 );
     cats.load( categoryFileName() );
     QArray<int> vl( 0 );
     catmb->setCategories( vl, "Document View", // No tr
     tr("Document View") );
     catmb->setRemoveCategoryEdit( TRUE );
     catmb->setAllCategories( TRUE );
     catmb->setCurrentCategory(pcat);
 
     // if type has changed we need to redisplay
     if ( typemb->currentText() != prev )
     showType( typemb->currentItem() );
 
     connect(typemb, SIGNAL(activated(int)), this, SLOT(showType(int)));
     connect(catmb, SIGNAL(signalSelected(int)), this, SLOT(showCategory(int)));
 }
 
 void LauncherView::sortBy(int s)
 {
     icons->setSortMethod((LauncherIconView::SortMethod)s);
 }
 
 void LauncherView::showType(int t)
 {
     if ( t >= (int)typelist.count() ) {
     icons->setTypeFilter("",TRUE);
     } else {
     QString ty = typelist[t];
     if ( !ty.contains('/') )
         ty += "/*";
     icons->setTypeFilter(ty,TRUE);
     }
 }
 
 void LauncherView::showCategory( int c )
 {
     icons->setCategoryFilter( c, TRUE );
 }
 
 void LauncherView::setViewMode( ViewMode m )
 {
     if ( vmode != m ) {
     bool bigIcons = m == Icon;
     icons->viewport()->setUpdatesEnabled( FALSE );
     icons->setBigIcons( bigIcons );
     switch ( m ) {
         case List:
         icons->setItemTextPos( QIconView::Right );
         break;
         case Icon:
         icons->setItemTextPos( QIconView::Bottom );
         break;
     }
     icons->hideOrShowItems( FALSE );
     icons->viewport()->setUpdatesEnabled( TRUE );
     vmode = m;
     }
 }
 
 //
 // User images may require scaling.
 //
 QImage LauncherView::loadBackgroundImage(QString &bgName)
 {
     QImageIO imgio;
     QSize   ds = qApp->desktop()->size();   // should be launcher, not desktop
     bool    further_scaling = TRUE;
 
     imgio.setFileName( bgName );
     imgio.setParameters("GetHeaderInformation");
 
     if (imgio.read() == FALSE) {
     return imgio.image();
     }
 
     if (imgio.image().width() < ds.width() &&
         imgio.image().height() < ds.height()) {
     further_scaling = FALSE;
     }
 
     if (!imgio.image().bits()) {
     //
     // Scale and load.  Note we don't scale up.
     //
     QString param( "Scale( %1, %2, ScaleMin )" ); // No tr
     imgio.setParameters(further_scaling ?
         param.arg(ds.width()).arg(ds.height()).latin1() :
         "");
     imgio.read();
     } else {
     if (further_scaling) {
         int t1 = imgio.image().width() * ds.height();
         int t2 = imgio.image().height() * ds.width();
         int dsth = ds.height();
diff --git a/core/launcher/launcherview.h b/core/launcher/launcherview.h
index ebb1362..94c367c 100644
--- a/core/launcher/launcherview.h
+++ b/core/launcher/launcherview.h
@@ -1,244 +1,246 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 #ifndef LAUNCHERVIEW_H
 #define LAUNCHERVIEW_H
 
 #include <qtopia/storage.h>
 #include <qtopia/applnk.h>
 
 #include <qvbox.h>
 #include <qiconview.h>
 #include <qtimer.h>
+#include <qmap.h>
 
 class CategorySelect;
 class LauncherIconView;
 class LauncherItem;
 class QIconViewItem;
 class QLabel;
 class QWidgetStack;
 class MenuButton;
 class QComboBox;
 
 
 
 enum BusyIndicatorType {
     BIT_Normal = 0,
     BIT_Animated
 };
 
 class LauncherView : public QVBox
 {
     Q_OBJECT
 
 public:
     LauncherView( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
     ~LauncherView();
 
     void hideIcons();
 
     bool removeLink(const QString& linkfile);
     void addItem(AppLnk* app, bool resort=TRUE);
     void removeAllItems();
     void setSortEnabled(bool);
     void setUpdatesEnabled(bool);
     void sort();
 
     void setToolsEnabled(bool);
     void updateTools();
 
     void setBusy(bool);
     void setBusyIndicatorType( const QString& );
 
     enum ViewMode { Icon, List };
     void setViewMode( ViewMode m );
     ViewMode viewMode() const { return vmode; }
 
     enum BackgroundType { Ruled, SolidColor, Image };
     void setBackgroundType( BackgroundType t, const QString & );
     BackgroundType backgroundType() const { return bgType; }
 
     void setTextColor( const QColor & );
     QColor textColor() const { return textCol; }
 
     void setViewFont( const QFont & );
     void clearViewFont();
 
     void relayout(void);
 
 signals:
     void clicked( const AppLnk * );
     void rightPressed( AppLnk * );
 
 protected slots:
     void selectionChanged();
     void returnPressed( QIconViewItem *item );
     void itemClicked( int, QIconViewItem * );
     void itemPressed( int, QIconViewItem * );
     void sortBy(int);
     void showType(int);
     void showCategory( int );
     void resizeEvent(QResizeEvent *);
     void flushBgCache();
 
 protected:
     void paletteChange( const QPalette & );
 
     void fontChanged(const QFont &);
 
 private:
     static bool bsy;
     QWidget* tools;
     LauncherIconView* icons;
     QComboBox *typemb;
     QStringList typelist;
     CategorySelect *catmb;
     ViewMode vmode;
     BackgroundType bgType;
     QString bgName;
     QColor textCol;
 
     QImage loadBackgroundImage(QString &fname);
 
 };
 
 /* from opie-eye */
 struct PixmapInfo {
     PixmapInfo() : width( -1 ), height( -1 ) {}
     bool operator==( const PixmapInfo& r ) {
         if ( width  != r.width  ) return false;
         if ( height != r.height ) return false;
         if ( file   != r.file   ) return false;
         return true;
     }
     int width, height;
     QString file;
     QPixmap pixmap;
 };
 
 class LauncherThumbReceiver:public QObject
 {
     Q_OBJECT
     typedef QValueList<PixmapInfo> PixmapInfos;
 public:
     LauncherThumbReceiver();
     ~LauncherThumbReceiver();
     void requestThumb(const QString&file,int width,int height);
 
 public slots:
     void recieve( const QCString&, const QByteArray& );
 protected slots:
     virtual void sendRequest();
 
 signals:
     void sig_Thumbnail(const QPixmap&,const QString&,int);
 
 protected:
     PixmapInfos m_inThumbNail;
 };
 
 class LauncherIconView : public QIconView {
     Q_OBJECT
 public:
     LauncherIconView( QWidget* parent, const char* name=0 );
     ~LauncherIconView();
     QIconViewItem* busyItem() const;
 
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     QPixmap busyPixmap() const { return busyPix; }
 #endif
     void setBigIcons( bool bi );
     void updateCategoriesAndMimeTypes();
     void setBusyIndicatorType ( BusyIndicatorType t );
     void doAutoScroll()
     {
     // We don't want rubberbanding (yet)
     }
 
     void setBusy(bool on);
     bool inKeyEvent() const { return ike; }
 
     void addItem(AppLnk* app, bool resort=TRUE);
     bool removeLink(const QString& linkfile);
 
     QStringList mimeTypes() const;
     QStringList categories() const;
     void clear();
     void addCatsAndMimes(AppLnk* app);
 
     void setBackgroundOrigin( QWidget::BackgroundOrigin ) {}
 
     void setBackgroundPixmap( const QPixmap &pm ) {
         bgPixmap = pm;
     }
 
     void setBackgroundColor( const QColor &c ) {
         bgColor = c;
     }
 
     void drawBackground( QPainter *p, const QRect &r );
     void setItemTextPos( ItemTextPos pos );
     void hideOrShowItems(bool resort);
 
     void setTypeFilter(const QString& typefilter, bool resort);
     void setCategoryFilter( int catfilter, bool resort );
 
     enum SortMethod { Name, Date, Type };
 
     void setSortMethod( SortMethod m );
     int compare(const AppLnk* a, const AppLnk* b);
     void requestEyePix(const LauncherItem*which);
 
 protected:
     virtual void timerEvent( QTimerEvent *te );
     void styleChange( QStyle &old );
     void calculateGrid( ItemTextPos pos );
     void focusInEvent( QFocusEvent * ) {}
     void focusOutEvent( QFocusEvent * ) {}
     LauncherItem*findDocItem(const QString&);
     void addCheckItem(AppLnk* app);
     void checkCallback();
     virtual void keyPressEvent(QKeyEvent* e);
 
 protected slots:
     void setEyePixmap(const QPixmap&,const QString&,int width);
     void stopEyeTimer();
 
 private:
     QList<AppLnk> hidden;
     QDict<void> mimes;
     QDict<void> cats;
     SortMethod sortmeth;
     QRegExp tf;
     int cf;
     LauncherItem* bsy;
     int busyTimer;
     bool ike;
     bool bigIcns;
     QPixmap bgPixmap;
     QColor bgColor;
     LauncherThumbReceiver*m_EyeCallBack;
 #ifdef USE_ANIMATED_BUSY_ICON_OVERLAY
     QPixmap busyPix;
 #endif
     BusyIndicatorType busyType;
     QTimer m_eyeTimer;
+    QMap<QString,LauncherItem*> m_itemCache;
 };
 
 #endif // LAUNCHERVIEW_H