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MetaWindowActor: keep a reference to the MetaWindow

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Until the actor is destroyed, we need to have access to the
MetaWindow to access some fields used for painting. Keep a strong
reference to the window rather than just hoping the window will
not be freed.

https://bugzilla.gnome.org/show_bug.cgi?id=642787
This commit is contained in:
Owen W. Taylor 2011-03-07 22:22:19 -05:00
parent f9b5cdfeb1
commit 349fb7c297
1 changed files with 11 additions and 1 deletions
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12
src/compositor/meta-window-actor.c
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@ -497,6 +497,12 @@ meta_window_actor_dispose (GObject *object)
info->windows = g_list_remove (info->windows, (gconstpointer) self);
if (priv->window)
{
g_object_unref (priv->window);
priv->window = NULL;
}
/*
* Release the extra reference we took on the actor.
*/
@ -529,7 +535,11 @@ meta_window_actor_set_property (GObject *object,
switch (prop_id)
{
case PROP_META_WINDOW:
priv->window = g_value_get_object (value);
{
if (priv->window)
g_object_unref (priv->window);
priv->window = g_value_dup_object (value);
}
break;
case PROP_META_SCREEN:
priv->screen = g_value_get_pointer (value);