From 33b8ab7d913c6db2f4b02ef95262302176443cb9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20H=C3=B6glund?= <fredrik@kde.org>
Date: Thu, 11 Jun 2009 19:42:55 +0000
Subject: [PATCH] Really fix the crash on gwenview startup this time.

Apparently a Toplevel isn't always a Client when the client rect
is different from the toplevel rect.

svn path=/trunk/KDE/kdebase/workspace/; revision=980458
---
 scene.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scene.cpp b/scene.cpp
index 20cb9cc66b..6205a351c6 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -480,9 +480,9 @@ WindowQuadList Scene::Window::buildQuads( bool force ) const
         ret = makeQuads( WindowQuadContents, shape()); // has no decoration
     else
         {
-        Client *client = static_cast<Client*>( toplevel );
+        Client *client = dynamic_cast<Client*>( toplevel );
         QRegion contents = clientShape();
-        QRegion decoration = (Workspace::self()->decorationHasAlpha() ?
+        QRegion decoration = (client && Workspace::self()->decorationHasAlpha() ?
                               QRegion(client->decorationRect()) : shape()) - contents;
         ret = makeQuads( WindowQuadContents, contents );
         ret += makeQuads( WindowQuadDecoration, decoration );