Another performance tweak for busyindicator and alpha-blended bg pixmaps

1 files changed, 18 insertions, 4 deletions

diff --git a/core/launcher/launcherview.cpp b/core/launcher/launcherview.cpp
index 33717bc..e15b150 100644
--- a/core/launcher/launcherview.cpp
+++ b/core/launcher/launcherview.cpp
@@ -79,201 +79,215 @@ public:
         while ((l=it.current())) {
             ++it;
             //qDebug("%p: hidden (should remove)",l);
         }
 #endif
     }
 
     QPixmap* busyPixmap() const { return (QPixmap*)&bpm[::abs(busystate)]; }
     QIconViewItem* busyItem() const { return bsy; }
     void setBigIcons( bool bi ) { bigIcns = bi; }
 
     void updateCategoriesAndMimeTypes();
 
     void doAutoScroll()
     {
         // We don't want rubberbanding (yet)
     }
 
     void setBusy(bool on)
     {
         QIconViewItem *c = on ? currentItem() : 0;
         qDebug ( "set busy %d -> %s", on, c ? c-> text ().latin1() : "(null)" );
         
         if ( bsy != c ) {
             QIconViewItem *oldbsy = bsy;
             bsy = c;
         
             if ( oldbsy )
                 oldbsy-> repaint ( );
         
             if ( bsy ) {
                 QPixmap *src = bsy-> QIconViewItem::pixmap();
                     for ( int i = 0; i <= 5; i++ ) {
                     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();
                     }
                     int rc, gc, bc;
                     int bs = ::abs ( i * 10 ) + 25;
                     colorGroup().highlight().rgb( &rc, &gc, &bc );
                     rc = rc * bs / 100;
                     gc = gc * bs / 100;
                     bc = bc * bs / 100;
                 
                     for ( int r = 0; r < count; r++, rgb++ ) {
                         int ri = rc + qRed   ( *rgb ) * ( 100 - bs ) / 100;
                         int gi = gc + qGreen ( *rgb ) * ( 100 - bs ) / 100;
                         int bi = bc + qBlue  ( *rgb ) * ( 100 - bs ) / 100;
                         int ai = qAlpha ( *rgb );
                         *rgb = qRgba ( ri, gi, bi, ai );
                     }
 
                     bpm [i].convertFromImage( img );
                 }
                         busystate = 0;
                     if ( busytimer )
                         killTimer ( busytimer );
                     timerEvent ( 0 );
-                    busytimer = startTimer ( 180 );
+                    busytimer = startTimer ( 200 );
             }
             else {
                 killTimer ( busytimer );
                 busytimer = 0;
             }
         }
     }
 
     virtual void timerEvent ( QTimerEvent *te )
     {
         if ( !te || ( te-> timerId ( ) == busytimer )) {
             if ( bsy ) {
                 busystate++;
                 if ( busystate > 5 )
                         busystate = -4;
                         
-                bsy-> repaint ( );
+                QScrollView::updateContents ( bsy-> pixmapRect ( false ));
             }
         }
     }
 
     bool inKeyEvent() const { return ike; }
     void keyPressEvent(QKeyEvent* e)
     {
         ike = TRUE;
         if ( e->key() == Key_F33 /* OK button */ || e->key() == Key_Space )
             returnPressed(currentItem());
         QIconView::keyPressEvent(e);
         ike = FALSE;
     }
 
     void addItem(AppLnk* app, bool resort=TRUE);
     bool removeLink(const QString& linkfile);
 
     QStringList mimeTypes() const;
     QStringList categories() const;
 
     void clear()
     {
         mimes.clear();
         cats.clear();
         QIconView::clear();
         hidden.clear();
     }
 
     void 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 setBackgroundPixmap( const QPixmap &pm ) {
-        bgPixmap = pm;
+        if ( pm. isNull ( )) {
+            bgPixmap = pm;
+        }
+        else {    
+                    // This is need for bg images with alpha channel
+        
+            QPixmap tmp ( pm. size ( ), pm. depth ( ));
+            
+            QPainter p ( &tmp );
+            p. fillRect ( 0, 0, pm. width ( ), pm. height ( ), bgColor. isValid ( ) ? bgColor : white );
+                    p. drawPixmap ( 0, 0, pm );    
+            p. end ( );
+    
+           bgPixmap = tmp;
+        }
     }
 
     void setBackgroundColor( const QColor &c ) {
         bgColor = c;
     }
 
     void drawBackground( QPainter *p, const QRect &r )
     {
         if ( !bgPixmap.isNull() ) {
-            p-> fillRect ( r, bgColor );
+            //p-> fillRect ( r, bgColor );
             p->drawTiledPixmap( r, bgPixmap,
                    QPoint( (r.x() + contentsX()) % bgPixmap.width(),
                            (r.y() + contentsY()) % bgPixmap.height() ) );
         } else {
             p->fillRect( r, bgColor );
         }
     }
 
     void setItemTextPos( ItemTextPos pos )
     {
         calculateGrid( pos );
         QIconView::setItemTextPos( pos );
     }
 
     void hideOrShowItems(bool resort);
 
     void setTypeFilter(const QString& typefilter, bool resort)
     {
         tf = QRegExp(typefilter,FALSE,TRUE);
         hideOrShowItems(resort);
     }
 
     void setCategoryFilter( int catfilter, bool resort )
     {
         Categories cat;
         cat.load( categoryFileName() );
         QString str;
         if ( catfilter == -2 )
             cf = 0;
         else
             cf = catfilter;
         hideOrShowItems(resort);
     }
 
     enum SortMethod { Name, Date, Type };
 
     void setSortMethod( SortMethod m )
     {
         if ( sortmeth != m ) {
             sortmeth = m;
             sort();
         }
     }
 
     int compare(const AppLnk* a, const AppLnk* b)
     {
         switch (sortmeth) {
         case Name:
             return a->name().compare(b->name());
         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;
     }
 
     QString getAllDocLinkInfo() const;
 
 protected: