From e7b58c23b896c604b71d542b2f477523df60e637 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Wed, 20 Jan 2021 12:22:22 +0100
Subject: [PATCH] window: Do not handle ungrabbed events when unmanaging

Once we are no longer managing a window, we have no business in
dealing with it anymore, and operations like focusing, raising or
pinging the window aren't expected to work, and can go horribly
wrong if we try.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2467

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1676>
---
 src/core/window.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/window.c b/src/core/window.c
index 07eb0cda2..83748051e 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8360,6 +8360,9 @@ meta_window_handle_ungrabbed_event (MetaWindow         *window,
   gfloat x, y;
   guint button;
 
+  if (window->unmanaging)
+    return;
+
   if (event->type != CLUTTER_BUTTON_PRESS &&
       event->type != CLUTTER_TOUCH_BEGIN)
     return;