Tried improve performances during title transitions by triggering updates of the title area only.

svn path=/trunk/KDE/kdebase/workspace/; revision=1154145

clients/oxygen/oxygenclient.cpp

@@ -124,7 +124,7 @@ namespace Oxygen
 
         // title animation data
         titleAnimationData_.data()->initialize();
-        connect( titleAnimationData_.data(), SIGNAL( pixmapsChanged() ), widget(), SLOT( update( void ) ) );
+        connect( titleAnimationData_.data(), SIGNAL( pixmapsChanged() ), SLOT( updateTitleRect() ) );
 
         // lists
         connect( itemData_.animation().data(), SIGNAL( finished() ), this, SLOT( clearTargetItem() ) );
@@ -1695,8 +1695,8 @@ namespace Oxygen
 
             itemData_.setDirty( true );
             moveItemInClientGroup( from, itemClicked );
-            widget()->update();
-
+            updateTitleRect();
+            
         } else {
 
             setForceActive( true );

clients/oxygen/oxygenclient.h

@@ -204,6 +204,12 @@ namespace Oxygen
 
         //! resize event
         virtual void resizeEvent(QResizeEvent *e);
+        
+        public slots:
+        
+        //! triggers widget update in titleRect only
+        void updateTitleRect( void )
+        { widget()->update( titleRect() ); }
 
         protected:
 
@@ -365,7 +371,7 @@ namespace Oxygen
         //! clear force active flag
         void clearForceActive( void )
         { if( isActive() ) setForceActive( false ); }
-
+        
         //! title bounding rects
         /*! calculate and return title bounding rects in case of tabbed window */
         void updateItemBoundingRects( bool alsoUpdate = true );

clients/oxygen/oxygenclientgroupitemdata.cpp

@@ -283,7 +283,6 @@ namespace Oxygen
     {
 
         // move close buttons
-        // this should move to ClientGroupItemDataList
         if( alsoUpdate ) client_.widget()->setUpdatesEnabled( false );
         for( int index = 0; index < count(); index++ )
         {
@@ -312,7 +311,7 @@ namespace Oxygen
         if( alsoUpdate )
         {
             client_.widget()->setUpdatesEnabled( true );
-            client_.widget()->update();
+            client_.updateTitleRect();
         }
 
     }