From ef02e261ae4f71eee78123f798917c0a084960a4 Mon Sep 17 00:00:00 2001
From: Nikhil Marathe <nsm.nikhil@gmail.com>
Date: Wed, 5 May 2010 13:51:00 +0000
Subject: [PATCH] Skip copying of tiles when there aren't any tiles

svn path=/trunk/KDE/kdebase/workspace/; revision=1123171
---
 tilinglayoutfactory.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tilinglayoutfactory.cpp b/tilinglayoutfactory.cpp
index 5422ecf0e9..0155d0df5b 100644
--- a/tilinglayoutfactory.cpp
+++ b/tilinglayoutfactory.cpp
@@ -98,6 +98,10 @@ TilingLayout* TilingLayoutFactory::cycleLayout( TilingLayout *curr, bool next )
         curr->removeTileNoArrange( t );
     }
 
+    if( tiles.length() == 0 )
+      return l;
+
+    // so that we don't rearrange after every call
     Tile *last = tiles.takeLast();
     foreach( Tile *t, tiles )
     {