Trigger full repaint after configuration change and after switching to X,

just in case.
BUG: 154825


svn path=/trunk/KDE/kdebase/workspace/; revision=761857

events.cpp

@@ -476,7 +476,10 @@ bool Workspace::workspaceEvent( XEvent * e )
             break;
         case VisibilityNotify:
             if( compositing() && overlay != None && e->xvisibility.window == overlay )
+                {
                 overlay_visible = ( e->xvisibility.state != VisibilityFullyObscured );
+                addRepaintFull();
+                }
             break;
         default:
             if( e->type == Extensions::randrNotifyEvent() && Extensions::randrAvailable() )

workspace.cpp

@@ -1041,6 +1041,7 @@ void Workspace::slotReconfigure()
         setupCompositing();
         if( effects ) // setupCompositing() may fail
             effects->reconfigure();
+        addRepaintFull();
     }
     else
         finishCompositing();