From 9c79c723411625e62904a77c65a83afcc1fdbb5b Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Tue, 18 Oct 2022 12:11:03 +0200
Subject: [PATCH] clutter: Only allow grabs to be created on realized actors

The bare minimum that we can ask to an actor before creating a grab
on it is that it is realized (and thus, attached to the stage). Bail
out if that is not the case when creating a grab.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2669>
---
 clutter/clutter/clutter-stage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 56919c827..2b3c03ae2 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3790,6 +3790,7 @@ clutter_stage_grab (ClutterStage *stage,
 
   g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
   g_return_val_if_fail (CLUTTER_IS_ACTOR (actor), NULL);
+  g_return_val_if_fail (clutter_actor_is_realized (actor), NULL);
 
   priv = stage->priv;