implemented icon cache so it will not scan every time when changing the

doctab categorie
ToDo: implement a cache flush

4 files changed, 98 insertions, 35 deletions

diff --git a/core/launcher/launcher.cpp b/core/launcher/launcher.cpp
index 5ec1cf8..ccc2114 100644
--- a/core/launcher/launcher.cpp
+++ b/core/launcher/launcher.cpp
@@ -56,49 +56,49 @@
 #include <qwidgetstack.h>
 #include <qregexp.h>
 #include <qmessagebox.h>
 #include <qframe.h>
 #include <qpainter.h>
 #include <qlabel.h>
 #include <qtextstream.h>
 #include <qpopupmenu.h>
 
 /* STD */
 #include <stdlib.h>
 #include <assert.h>
 #if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
 #include <unistd.h>
 #include <stdio.h>
 #include <sys/vfs.h>
 #include <mntent.h>
 #endif
 
 
 static bool isVisibleWindow( int );
 //===========================================================================
 
 LauncherTabWidget::LauncherTabWidget( Launcher* parent ) :
-    QVBox( parent ), docview( 0 )
+    QVBox( parent ), docview( 0 ),docTabEnabled(true),m_DocumentTabId(0)
 {
     docLoadingWidgetEnabled = false;
     docLoadingWidget = 0;
     docLoadingWidgetProgress = 0;
     launcher = parent;
     categoryBar = new LauncherTabBar( this );
     QPalette pal = categoryBar->palette();
     pal.setColor( QColorGroup::Light, pal.color(QPalette::Active,QColorGroup::Shadow) );
     pal.setColor( QColorGroup::Background, pal.active().background().light(110) );
     categoryBar->setPalette( pal );
     stack = new QWidgetStack(this);
     connect( categoryBar, SIGNAL(selected(int)), this, SLOT(raiseTabWidget()) );
     categoryBar->show();
     stack->show();
 
 #if defined(Q_WS_QWS) && !defined(QT_NO_COP)
     QCopChannel *channel = new QCopChannel( "QPE/Launcher", this );
     connect( channel, SIGNAL(received(const QCString&,const QByteArray&)),
              this, SLOT(launcherMessage(const QCString&,const QByteArray&)) );
     connect( qApp, SIGNAL(appMessage(const QCString&,const QByteArray&)),
          this, SLOT(appMessage(const QCString&,const QByteArray&)));
 #endif
 
     createDocLoadingWidget();
@@ -107,49 +107,49 @@ LauncherTabWidget::LauncherTabWidget( Launcher* parent ) :
 void LauncherTabWidget::createDocLoadingWidget()
 {
     // Construct the 'doc loading widget' shown when finding documents
 
     // ### LauncherView class needs changing to be more generic so
     // this widget can change its background similar to the iconviews
     // so the background for this matches
     docLoadingWidget = new LauncherView( stack );
     docLoadingWidget->hideIcons();
     QVBox *docLoadingVBox = new QVBox( docLoadingWidget );
 
     docLoadingVBox->setSpacing( 20 );
     docLoadingVBox->setMargin( 10 );
 
     QWidget *space1 = new QWidget( docLoadingVBox );
     docLoadingVBox->setStretchFactor( space1, 1 );
 
     QLabel *waitPixmap = new QLabel( docLoadingVBox );
     waitPixmap->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)5, (QSizePolicy::SizeType)5, waitPixmap->sizePolicy().hasHeightForWidth() ) );
     waitPixmap->setPixmap( Resource::loadPixmap( "bigwait" ) );
     waitPixmap->setAlignment( int( QLabel::AlignCenter ) );
 
     Config cfg( "Launcher" );
     cfg.setGroup( "DocTab" );
-    bool docTabEnabled = cfg.readBoolEntry( "Enable", true );
+    docTabEnabled = cfg.readBoolEntry( "Enable", true );
 
     QLabel *textLabel = new QLabel( docLoadingVBox );
     textLabel->setAlignment( int( QLabel::AlignCenter ) );
     docLoadingWidgetProgress = new QProgressBar( docLoadingVBox );
     docLoadingWidgetProgress->setProgress( 0 );
     docLoadingWidgetProgress->setCenterIndicator( TRUE );
     docLoadingWidgetProgress->setBackgroundMode( NoBackground ); // No flicker
     setProgressStyle();
 
     if ( docTabEnabled )
     {
         textLabel->setText( tr( "<b>Finding Documents...</b>" ) );
     }
     else
     {
         textLabel->setText( tr( "<b>The Documents Tab<p>has been disabled.<p>"
                                 "Use Settings->Launcher->DocTab<p>to reenable it.</b></center>" ) );
         docLoadingWidgetProgress->hide();
         docLoadingWidgetEnabled = true;
     }
 
     QWidget *space2 = new QWidget( docLoadingVBox );
     docLoadingVBox->setStretchFactor( space2, 1 );
 
@@ -195,56 +195,59 @@ void LauncherTabWidget::tabProperties()
     view->setViewMode( (LauncherView::ViewMode)rv );
     }
 
     delete m;
 }
 
 void LauncherTabWidget::deleteView( const QString& id )
 {
     LauncherTab *t = categoryBar->launcherTab(id);
     if ( t ) {
     stack->removeWidget( t->view );
     delete t->view;
     categoryBar->removeTab( t );
     }
 }
 
 LauncherView* LauncherTabWidget::newView( const QString& id, const QPixmap& pm, const QString& label )
 {
     LauncherView* view = new LauncherView( stack );
     connect( view, SIGNAL(clicked(const AppLnk*)),
         this, SIGNAL(clicked(const AppLnk*)));
     connect( view, SIGNAL(rightPressed(AppLnk*)),
         this, SIGNAL(rightPressed(AppLnk*)));
 
+
     int n = categoryBar->count();
+
     stack->addWidget( view, n );
 
     LauncherTab *tab = new LauncherTab( id, view, pm, label );
     categoryBar->insertTab( tab, n-1 );
-
-    if ( id == "Documents" )
+    if ( id == "Documents" ) {
     docview = view;
+        m_DocumentTabId = n;
+    }
 
     odebug << "inserting " << id << " at " << n-1 << "" << oendl;
 
     Config cfg("Launcher");
     setTabAppearance( tab, cfg );
 
     cfg.setGroup( "GUI" );
     view->setBusyIndicatorType( cfg.readEntry( "BusyType", QString::null ) );
 
     return view;
 }
 
 LauncherView *LauncherTabWidget::view( const QString &id )
 {
     LauncherTab *t = categoryBar->launcherTab(id);
     if ( !t )
     return 0;
     return t->view;
 }
 
 LauncherView *LauncherTabWidget::docView()
 {
     return docview;
 }
@@ -583,49 +586,48 @@ void Launcher::select( const AppLnk *appLnk )
         tr("<p>No application is defined for this document."
         "<p>Type is %1.").arg(appLnk->type()), tr("OK"), tr("View as text"), 0, 0, 1);
 
             /* ### Fixme */
         if ( i == 1 )
         Global::execute("textedit",appLnk->file());
 
         return;
     }
     tabs->setBusy(TRUE);
     emit executing( appLnk );
     appLnk->execute();
     }
 }
 
 void Launcher::properties( AppLnk *appLnk )
 {
     if ( appLnk->type() == "Folder" ) { // No tr
     // Not supported: flat is simpler for the user
     } else {
 /* ### libqtopia FIXME also moving docLnks... */
         LnkProperties prop(appLnk,0 );
 
         if (QPEApplication::execDialog( &prop )==QDialog::Accepted && tabs->currentView()==tabs->docView()) {
-            tabs->docView()->updateTools();
         }
     }
 }
 
 void Launcher::storageChanged( const QList<FileSystem> & )
 {
     // ### update combo boxes if we had a combo box for the storage type
 }
 
 void Launcher::systemMessage( const QCString &msg, const QByteArray &data)
 {
     QDataStream stream( data, IO_ReadOnly );
     if ( msg == "busy()" ) {
     tb->startWait();
     } else if ( msg == "notBusy(QString)" ) {
     QString app;
     stream >> app;
     tabs->setBusy(FALSE);
     tb->stopWait(app);
     } else if (msg == "applyStyle()") {
     tabs->currentView()->relayout();
     }
 }
 
@@ -700,50 +702,55 @@ void Launcher::aboutToAddBegin()
 
 void Launcher::aboutToAddEnd()
 {
     tabs->docView()->setUpdatesEnabled( true );
 }
 
 void Launcher::showLoadingDocs()
 {
     tabs->docView()->hide();
 }
 
 void Launcher::showDocTab()
 {
     if ( tabs->categoryBar->currentView() == tabs->docView() )
     tabs->docView()->show();
 }
 
 void Launcher::documentRemoved( const DocLnk& doc )
 {
     tabs->docView()->removeLink( doc.linkFile() );
 }
 
 void Launcher::documentChanged( const DocLnk& oldDoc, const DocLnk& newDoc )
 {
+#if 0
     documentRemoved( oldDoc );
     documentAdded( newDoc );
+//    tabs->docView()->updateTools();
+#else
+    tabs->docView()->changeItem(oldDoc,new DocLnk(newDoc));
+#endif
 }
 
 void Launcher::allDocumentsRemoved()
 {
     tabs->docView()->removeAllItems();
 }
 
 void Launcher::applicationStateChanged( const QString& name, ApplicationState state )
 {
     tb->setApplicationState( name, state );
 }
 
 void Launcher::applicationScanningProgress( int percent )
 {
     switch ( percent ) {
         case 0: {
         for ( QStringList::ConstIterator it=ids.begin(); it!= ids.end(); ++it) {
         tabs->view( (*it) )->setUpdatesEnabled( FALSE );
         tabs->view( (*it) )->setSortEnabled( FALSE );
         }
         break;
         }
         case 100: {
         for ( QStringList::ConstIterator it=ids.begin(); it!= ids.end(); ++it) {
diff --git a/core/launcher/launcher.h b/core/launcher/launcher.h
index 2eaf77c..db6ac54 100644
--- a/core/launcher/launcher.h
+++ b/core/launcher/launcher.h
@@ -69,48 +69,50 @@ signals:
     void rightPressed(AppLnk*);
 
 protected slots:
     void raiseTabWidget();
     void tabProperties();
     void initLayout();
 
 private slots:
     void launcherMessage( const QCString &, const QByteArray &);
     void appMessage( const QCString &, const QByteArray &);
     void setProgressStyle();
 
 protected:
     void paletteChange( const QPalette &p );
     void styleChange( QStyle & );
 
 private:
     Launcher *launcher;
     LauncherView *docview;
 
     QWidgetStack *stack;
     LauncherView *docLoadingWidget;
     QProgressBar *docLoadingWidgetProgress;
     bool docLoadingWidgetEnabled;
+    bool docTabEnabled;
+    int m_DocumentTabId;
 };
 
 class Launcher : public QMainWindow, public ServerInterface
 {
     Q_OBJECT
 public:
     Launcher();
     ~Launcher();
 
     // implementing ServerInterface
     void createGUI();
     void destroyGUI();
     void typeAdded( const QString& type, const QString& name, const QPixmap& pixmap, const QPixmap& bgPixmap );
     void typeRemoved( const QString& type );
     void applicationAdded( const QString& type, const AppLnk& doc );
     void applicationRemoved( const QString& type, const AppLnk& doc );
     void allApplicationsRemoved();
     void applicationStateChanged( const QString& name, ApplicationState state );
     void documentAdded( const DocLnk& doc );
     void documentRemoved( const DocLnk& doc );
     void aboutToAddBegin();
     void aboutToAddEnd();
     void allDocumentsRemoved();
     void documentChanged( const DocLnk& oldDoc, const DocLnk& newDoc );
diff --git a/core/launcher/launcherview.cpp b/core/launcher/launcherview.cpp
index ff26133..c9efacb 100644
--- a/core/launcher/launcherview.cpp
+++ b/core/launcher/launcherview.cpp
@@ -23,48 +23,49 @@
 /* OPIE */
 #include <opie2/odebug.h>
 #include <qtopia/qpeapplication.h>
 #include <qtopia/private/categories.h>
 #include <qtopia/categoryselect.h>
 #include <qtopia/mimetype.h>
 #include <qtopia/resource.h>
 using namespace Opie::Core;
 
 #include <qpe/qcopenvelope_qws.h>
 
 /* QT */
 #include <qtimer.h>
 #include <qfileinfo.h>
 #include <qiconview.h>
 #include <qobjectlist.h>
 
 
 // These define how the busy icon is animated and highlighted
 #define BRIGHTEN_BUSY_ICON
 //#define ALPHA_FADE_BUSY_ICON
 //#define USE_ANIMATED_BUSY_ICON_OVERLAY
 #define BOUNCE_BUSY_ICON
 
+typedef QMap<QString,QPixmap>::Iterator pixiter;
 
 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;
 }
@@ -84,67 +85,69 @@ public:
 
     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());
+        QMap<QString,QPixmap>::Iterator it = LauncherIconView::sm_EyeCache->find(applnk->file());
+        if (it != LauncherIconView::sm_EyeCache->end()) {
+            m_EyeImageSet = EYE_ICON;
+            setPixmap(*it);
+        }
     }
 }
 
 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());
@@ -192,102 +195,118 @@ void LauncherItem::paintAnimatedIcon( QPainter *p )
 #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()));
+        QPixmap src;
+        pixiter it;
+        if (isEyeImage() && (it=LauncherIconView::sm_EyeCache->find(appLnk()->file()))!=LauncherIconView::sm_EyeCache->end()) {
+            src = (*it);
+        } else {
+            src = ((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())));
+    if (isEyeImage()) {
+        QMap<QString,QPixmap>::Iterator it = LauncherIconView::sm_EyeCache->find(appLnk()->file());
+        if (it != LauncherIconView::sm_EyeCache->end()) {
+            setPixmap(*it);
+            return;
+        }
+    }
+    setPixmap(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
 //===========================================================================
+
+QMap<QString,QPixmap>* LauncherIconView::sm_EyeCache=0;
+
 LauncherIconView::LauncherIconView( QWidget* parent, const char* name )
     : QIconView(parent,name),tf(""),cf(0),bsy(0),busyTimer(0),bigIcns(TRUE),bgColor(white)
 {
     m_EyeCallBack = 0;
+    if (!sm_EyeCache) sm_EyeCache = new QMap<QString,QPixmap>();
     sortmeth = Name;
     hidden.setAutoDelete(TRUE);
     ike = FALSE;
     calculateGrid( Bottom );
     connect(&m_eyeTimer,SIGNAL(timeout()),this,SLOT(stopEyeTimer()));
 }
 
 LauncherIconView::~LauncherIconView()
 {
     odebug << "LauncherIconView::~LauncherIconView()" << oendl;
 #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:
@@ -411,185 +430,207 @@ QStringList LauncherIconView::mimeTypes() const
         ++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);
     if (!item||!item->isEyeImage()) return;
+    (*sm_EyeCache)[aFile]=aPixmap;
     item->setEyePixmap(aPixmap);
 }
 
 void LauncherIconView::checkCallback()
 {
     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_eyeTimer.changeInterval(600000);
 }
 
 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()) {
         checkCallback();
         int s = ( bigIcns ) ? AppLnk::bigIconSize() : AppLnk::smallIconSize();
         m_EyeCallBack->requestThumb(item->appLnk()->file(),s,s);
     }
 }
 
 void LauncherIconView::stopEyeTimer()
 {
     if (m_EyeCallBack) {
+        disconnect(m_EyeCallBack,SIGNAL(sig_Thumbnail(const QPixmap&,const QString&,int)),
+            this,SLOT(setEyePixmap(const QPixmap&,const QString&,int)));
         delete m_EyeCallBack;
         m_EyeCallBack=0;
     }
     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)
+bool LauncherIconView::removeLink(const QString& linkfile,bool removeCache)
 {
     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() ) ) {
+            if (removeCache) sm_EyeCache->remove(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::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::changeItem(const AppLnk&old,AppLnk*nlink)
+{
+    QString oldfile = old.file();
+    QString newfile = nlink->file();
+
+    if (newfile != oldfile) {
+        QMap<QString,QPixmap>::Iterator it = sm_EyeCache->find(oldfile);
+        if (it != sm_EyeCache->end()) {
+            (*sm_EyeCache)[newfile]=(*it);
+        }
+        removeLink(old.linkFile());
+    } else {
+        removeLink(old.linkFile(),false);
+    }
+    addItem(nlink,false);
+}
+
 void LauncherIconView::timerEvent( QTimerEvent *te )
 {
     if ( te->timerId() == busyTimer ) {
         if ( bsy )
         bsy->animateIcon();
     } else {
         QIconView::timerEvent( te );
     }
 }
 
 void LauncherIconView::setBigIcons( bool bi )
 {
+    sm_EyeCache->clear();
     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 );
@@ -735,50 +776,53 @@ void LauncherView::updateTools()
             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 )
+    if ( !catmb ) {
         catmb = new CategorySelect(tools);
+    } else if (pcat!=-2) {
+
+    }
     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)
 {
@@ -1026,70 +1070,75 @@ void LauncherView::itemClicked( int btn, QIconViewItem *item )
 
 void LauncherView::itemPressed( int btn, QIconViewItem *item )
 {
     if ( item ) {
     AppLnk *appLnk = ((LauncherItem *)item)->appLnk();
     if ( btn == RightButton )
         emit rightPressed( appLnk );
     else if ( btn == ShiftButton )
         emit rightPressed( appLnk );
     item->setSelected(FALSE);
     }
 }
 
 void LauncherView::removeAllItems()
 {
     odebug << "LauncherView::removeAllItems()" << oendl;
     icons->clear();
 }
 
 bool LauncherView::removeLink(const QString& linkfile)
 {
     return icons->removeLink(linkfile);
 }
 
+void LauncherView::addItem(AppLnk* app, bool resort)
+{
+    icons->addItem(app,resort);
+}
+
+void LauncherView::changeItem(const AppLnk&old,AppLnk*nlink)
+{
+    icons->changeItem(old,nlink);
+}
+
 void LauncherView::setSortEnabled( bool v )
 {
     icons->setSorting( v );
     if ( v )
     sort();
 }
 
 void LauncherView::setUpdatesEnabled( bool u )
 {
     icons->setUpdatesEnabled( u );
 }
 
 void LauncherView::sort()
 {
     icons->sort();
 }
 
-void LauncherView::addItem(AppLnk* app, bool resort)
-{
-    icons->addItem(app,resort);
-}
-
 void LauncherView::paletteChange( const QPalette &p )
 {
     icons->unsetPalette();
     QVBox::paletteChange( p );
     if ( bgType == Ruled )
     setBackgroundType( Ruled, QString::null );
     QColorGroup cg = icons->colorGroup();
     cg.setColor( QColorGroup::Text, textCol );
     icons->setPalette( QPalette(cg,cg,cg) );
 }
 
 void LauncherView::fontChanged(const QFont&)
 {
     odebug << "LauncherView::fontChanged()" << oendl;
     icons->hideOrShowItems( FALSE );
 }
 
 void LauncherView::relayout(void)
 {
     icons->hideOrShowItems(FALSE);
 }
 
 void LauncherView::flushBgCache()
 {
diff --git a/core/launcher/launcherview.h b/core/launcher/launcherview.h
index 6d94539..05073ab 100644
--- a/core/launcher/launcherview.h
+++ b/core/launcher/launcherview.h
@@ -35,48 +35,50 @@ 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 changeItem(const AppLnk&old,AppLnk*nlink);
+
     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();
@@ -155,78 +157,81 @@ protected:
 };
 
 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);
+    bool removeLink(const QString& linkfile,bool removeCache = true);
+    void changeItem(const AppLnk&old,AppLnk*nlink);
 
     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);
 
+    static QMap<QString,QPixmap>* sm_EyeCache;
+
 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;