Do not draw the title "slab" in "outline window title" mode, when the client title is empty (or contains

only space characters). Except when tabbed together with other windows. 


svn path=/trunk/KDE/kdebase/workspace/; revision=1138015

clients/oxygen/oxygenclient.cpp

@@ -957,6 +957,9 @@ namespace Oxygen
         if( itemCount == 1 )
         {
 
+            // no title outline if the window caption is empty
+            if( !caption.trimmed().isEmpty() )
+            {
                 if( itemData_.isAnimated() ) {
 
                     textRect = titleBoundingRect( painter->font(), textRect, caption );
@@ -977,6 +980,8 @@ namespace Oxygen
 
                 }
 
+            }
+
         } else if( active ) {
 
             // in multiple tabs render title outline in all cases