reverted 969982

svn path=/trunk/KDE/kdebase/workspace/; revision=970056

effects/slideback/slideback.cpp

@@ -181,6 +181,16 @@ void SlideBackEffect::postPaintScreen()
     }
 
 void SlideBackEffect::prePaintWindow( EffectWindow *w, WindowPrePaintData &data, int time )
+    {
+    if( motionManager.isManaging( w ) )
+        {
+        data.setTransformed();
+        }
+
+    effects->prePaintWindow( w, data, time );
+    }
+
+void SlideBackEffect::paintWindow( EffectWindow *w, int mask, QRegion region, WindowPaintData &data )
     {
     if( stackingOrderChanged() && ( w == newTopWindow() ) )
         {
@@ -191,36 +201,25 @@ void SlideBackEffect::prePaintWindow( EffectWindow *w, WindowPrePaintData &data,
             {
             if( oldStackingOrder.lastIndexOf( tmp ) > oldStackingOrder.lastIndexOf( w ) && isWindowUsable( tmp ) )
                 {
-//		kDebug() << "screw detected." << "clip:" << data.paint << " clipping:" <<  tmp->geometry() ;
-	        PaintClipper::push( data.paint.subtracted( tmp->geometry() ) );
-	        clippedRegions.prepend( data.paint.subtracted( tmp->geometry() ) );
+		kDebug() << "screw detected. region:" << region << "clipping:" <<  tmp->geometry() ;
+	        PaintClipper::push( region.subtracted( tmp->geometry() ) );
+	        clippedRegions.prepend( region.subtracted( tmp->geometry() ) );
+//                region = region.subtracted( tmp->geometry() );
                 }
             }
+        // Add a full repaint to make sure the not painted area is repainted soon
+        effects->addRepaintFull();
         // Finally call windowActivated in case a already active window is raised.
         if( !disabled )
             {
             windowActivated( w );
             }
         }
-    if( motionManager.isManaging( w ) )
-        {
-        data.setTransformed();
-        }
-
-    effects->prePaintWindow( w, data, time );
-    }
-
-void SlideBackEffect::paintWindow( EffectWindow *w, int mask, QRegion region, WindowPaintData &data )
-    {
     if( motionManager.isManaging( w ) )
         {
         motionManager.apply( w, data );
         }
     effects->paintWindow( w, mask, region, data );
-    }
-
-void SlideBackEffect::postPaintWindow( EffectWindow* w )
-    {
     if( !clippedRegions.isEmpty() )
         {
         foreach( const QRegion &region, clippedRegions )
@@ -229,6 +228,10 @@ void SlideBackEffect::postPaintWindow( EffectWindow* w )
 	    }
         clippedRegions.clear();
 	}
+    }
+
+void SlideBackEffect::postPaintWindow( EffectWindow* w )
+    {
     if( motionManager.isManaging( w ) )
         {
         if( destinationList.contains( w ) )