From 6a94ff56412c983c497e0ab8a3ecbf8de4d42aab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 1 Nov 2011 06:48:21 +0100
Subject: [PATCH] Don't handle closing windows while BoxSwitch is inactive

This might be the cause for ghost windows, because they got
referrenced without being unreferrenced again.
CCBUG: 259640
---
 effects/boxswitch/boxswitch.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/effects/boxswitch/boxswitch.cpp b/effects/boxswitch/boxswitch.cpp
index d69c4201ca..4b6b41c37a 100644
--- a/effects/boxswitch/boxswitch.cpp
+++ b/effects/boxswitch/boxswitch.cpp
@@ -487,6 +487,9 @@ void BoxSwitchEffect::setSelectedWindow(EffectWindow* w)
 
 void BoxSwitchEffect::slotWindowClosed(EffectWindow* w)
 {
+    if (!mActivated) {
+        return;
+    }
     if (w == selected_window) {
         setSelectedWindow(0);
     }