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clutter/actor: Disconnect from "layout-changed" signal on destroy

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While the layout manager of a ClutterActor does get properly unset when
destroying an actor, we currently forget to disconnect the
"layout-changed" signal from it.

So do that, and while at it, also switch to using the signal id for
disconnecting from the signal instead of
g_signal_handlers_disconnect_by_func(), which caused problems before
because it might traverse the signal handler list.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1281
This commit is contained in:
Jonas Dreßler 2020-06-02 14:28:59 +02:00 committed by verdre
parent 4d7c8d68bc
commit 90c20b185b
1 changed files with 7 additions and 6 deletions
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13
clutter/clutter/clutter-actor.c
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@ -811,6 +811,7 @@ struct _ClutterActorPrivate
gulong resolution_changed_id;
gulong font_changed_id;
gulong layout_changed_id;
/* bitfields: KEEP AT THE END */
@ -6062,6 +6063,7 @@ clutter_actor_dispose (GObject *object)
if (priv->layout_manager != NULL)
{
g_clear_signal_handler (&priv->layout_changed_id, priv->layout_manager);
clutter_layout_manager_set_container (priv->layout_manager, NULL);
g_clear_object (&priv->layout_manager);
}
@ -17971,9 +17973,7 @@ clutter_actor_set_layout_manager (ClutterActor *self,
if (priv->layout_manager != NULL)
{
g_signal_handlers_disconnect_by_func (priv->layout_manager,
G_CALLBACK (on_layout_manager_changed),
self);
g_clear_signal_handler (&priv->layout_changed_id, priv->layout_manager);
clutter_layout_manager_set_container (priv->layout_manager, NULL);
g_clear_object (&priv->layout_manager);
}
@ -17985,9 +17985,10 @@ clutter_actor_set_layout_manager (ClutterActor *self,
g_object_ref_sink (priv->layout_manager);
clutter_layout_manager_set_container (priv->layout_manager,
CLUTTER_CONTAINER (self));
g_signal_connect (priv->layout_manager, "layout-changed",
G_CALLBACK (on_layout_manager_changed),
self);
priv->layout_changed_id =
g_signal_connect (priv->layout_manager, "layout-changed",
G_CALLBACK (on_layout_manager_changed),
self);
}
clutter_actor_queue_relayout (self);