- fixed rendering glitch because updateTitleRect had too small clip region

- moved check on titleOutline to dedicated inline function
- removed some trailing spaces.

svn path=/trunk/KDE/kdebase/workspace/; revision=1155744

clients/oxygen/oxygenclient.cpp

@@ -593,9 +593,6 @@ namespace Oxygen
     void Client::renderWindowBorder( QPainter* painter, const QRect& clipRect, const QWidget* widget, const QPalette& palette ) const
     {
 
-        // check if outline is needed
-        if( clientGroupItems().count() < 2 && !itemData_.isAnimated() && !( isActive() && configuration().drawTitleOutline() ) ) return;
-
         // get coordinates relative to the client area
         // this is annoying. One could use mapTo if this was taking const QWidget* and not
         // const QWidget* as argument.
@@ -1414,7 +1411,9 @@ namespace Oxygen
 
         // window background
         renderWindowBackground( &painter, frame, widget(), backgroundPalette( widget(), palette ) );
-        renderWindowBorder( &painter, frame, widget(), palette );
+
+        // window border (for title outline)
+        if( hasTitleOutline() ) renderWindowBorder( &painter, frame, widget(), palette );
 
         // clipping
         if( compositingActive() )

clients/oxygen/oxygenclient.h

@@ -208,8 +208,9 @@ namespace Oxygen
         public slots:
 
         //! triggers widget update in titleRect only
+        /*! one needs to add the title top margin to avoid some clipping glitches */
         void updateTitleRect( void )
-        { widget()->update( titleRect() ); }
+        { widget()->update( titleRect().adjusted( 0, -layoutMetric( LM_TitleEdgeTop ), 0, 0 ) ); }
 
         protected:
 
@@ -327,6 +328,15 @@ namespace Oxygen
                 !isPreview();
         }
 
+        //! true if some title outline is rendered
+        bool hasTitleOutline( void ) const
+        {
+            return
+                clientGroupItems().count() >= 2 ||
+                itemData_.isAnimated() ||
+                ( isActive() && configuration().drawTitleOutline() );
+        }
+
         //! calculate mask
         QRegion calcMask( void ) const;