From 12e9f1d2a9460b7ca68636a8b45a9106a9057c58 Mon Sep 17 00:00:00 2001
From: Guillaume Pothier <gpothier@gmail.com>
Date: Sun, 23 Nov 2008 19:13:23 +0000
Subject: [PATCH] Added check to ensure that TopLevel::screen never returns -1

svn path=/trunk/KDE/kdebase/workspace/; revision=888093
---
 toplevel.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/toplevel.cpp b/toplevel.cpp
index 9ac3da10bc..06b6922fea 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -342,7 +342,13 @@ int Toplevel::screen() const
     {
     if( !options->xineramaEnabled )
         return 0;
-    return workspace()->screenNumber( geometry().center());
+    int s = workspace()->screenNumber( geometry().center());
+    if( s < 0 )
+        {
+        kDebug() << "center" << geometry().center() << "screen" << s;
+        return 0; 
+        }
+    return s;
     }
 
 bool Toplevel::isOnScreen( int screen ) const