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cally: Use a weak pointer to hold the key focus in CallyStage

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We want to avoid the pointer getting stale, and causing crashes.

https://bugzilla.gnome.org/show_bug.cgi?id=692706
This commit is contained in:
Emmanuele Bassi 2013-05-06 15:46:25 -07:00
parent 0f0ed31a5a
commit 19391a9626
1 changed files with 18 additions and 2 deletions
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20
clutter/cally/cally-stage.c
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@ -139,7 +139,11 @@ cally_stage_notify_key_focus_cb (ClutterStage *stage,
AtkObject *old = NULL;
if (self->priv->key_focus != NULL)
old = clutter_actor_get_accessible (self->priv->key_focus);
{
g_object_remove_weak_pointer (G_OBJECT (self->priv->key_focus),
(gpointer *) &self->priv->key_focus);
old = clutter_actor_get_accessible (self->priv->key_focus);
}
else
old = clutter_actor_get_accessible (CLUTTER_ACTOR (stage));
@ -154,7 +158,19 @@ cally_stage_notify_key_focus_cb (ClutterStage *stage,
self->priv->key_focus = key_focus;
if (key_focus != NULL)
new = clutter_actor_get_accessible (key_focus);
{
/* ensure that if the key focus goes away, the field inside
* CallyStage is reset. see bug:
*
* https://bugzilla.gnome.org/show_bug.cgi?id=692706
*
* we remove the weak pointer above.
*/
g_object_add_weak_pointer (G_OBJECT (self->priv->key_focus),
(gpointer *) &self->priv->key_focus);
new = clutter_actor_get_accessible (key_focus);
}
else
new = clutter_actor_get_accessible (CLUTTER_ACTOR (stage));