From 33e9753f6b82b73eb6ae223baeb92b4cc9921928 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Thu, 13 Nov 2003 17:19:49 +0000
Subject: [PATCH] If windows don't have _NET_WM_PID set, don't rely on
 pid1==pid2 when finding out if they're the same app. CCMAIL:
 68087-done@bugs.kde.org

svn path=/trunk/kdebase/kwin/; revision=266853
---
 group.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/group.cpp b/group.cpp
index a1d33cc8dc..9b8acb6f99 100644
--- a/group.cpp
+++ b/group.cpp
@@ -211,7 +211,8 @@ bool Client::belongToSameApplication( const Client* c1, const Client* c2, bool a
         ; // different apps
     else if( !sameAppWindowRoleMatch( c1, c2, active_hack ))
         ; // "different" apps
-    else
+    else if( c1->pid() == 0 || c2->pid() == 0 )
+        ; // old apps that don't have _NET_WM_PID, consider them different
         same_app = true; // looks like it's the same app
     return same_app;
     }