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[clone] Redraw when the source changes

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Bug 1484 - Redraw ClutterClone when the source changes, even for
           !visible sources

Connect to ::queue-redraw on the clone source and queue a redraw.
This allows redrawing the Clone when the source changes, even in
case of a non visible source actor.

http://bugzilla.openedhand.com/show_bug.cgi?id=1484

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Owen W. Taylor 2009-02-27 14:43:47 -05:00 committed by Emmanuele Bassi
parent 678f99677f
commit e260296cb5
1 changed files with 44 additions and 22 deletions
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66
clutter/clutter-clone.c
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@ -65,6 +65,8 @@ struct _ClutterClonePrivate
ClutterActor *clone_source;
};
static void clutter_clone_set_source_internal (ClutterClone *clone,
ClutterActor *source);
static void
clutter_clone_get_preferred_width (ClutterActor *self,
ClutterUnit for_height,
@ -231,13 +233,7 @@ clutter_clone_get_property (GObject *gobject,
static void
clutter_clone_dispose (GObject *gobject)
{
ClutterClonePrivate *priv = CLUTTER_CLONE (gobject)->priv;
if (priv->clone_source)
{
g_object_unref (priv->clone_source);
priv->clone_source = NULL;
}
clutter_clone_set_source_internal (CLUTTER_CLONE (gobject), NULL);
G_OBJECT_CLASS (clutter_clone_parent_class)->dispose (gobject);
}
@ -302,6 +298,46 @@ clutter_clone_new (ClutterActor *source)
return g_object_new (CLUTTER_TYPE_CLONE, "source", source, NULL);
}
static void
clone_source_queue_redraw_cb (ClutterActor *source,
ClutterActor *origin,
ClutterClone *clone)
{
clutter_actor_queue_redraw (CLUTTER_ACTOR (clone));
}
static void
clutter_clone_set_source_internal (ClutterClone *clone,
ClutterActor *source)
{
ClutterClonePrivate *priv;
g_return_if_fail (CLUTTER_IS_CLONE (clone));
g_return_if_fail (source == NULL || CLUTTER_IS_ACTOR (source));
priv = clone->priv;
if (priv->clone_source)
{
g_signal_handlers_disconnect_by_func (priv->clone_source,
(void *) clone_source_queue_redraw_cb,
clone);
g_object_unref (priv->clone_source);
priv->clone_source = NULL;
}
if (source)
{
priv->clone_source = g_object_ref (source);
g_signal_connect (priv->clone_source, "queue-redraw",
G_CALLBACK (clone_source_queue_redraw_cb), clone);
}
g_object_notify (G_OBJECT (clone), "source");
clutter_actor_queue_relayout (CLUTTER_ACTOR (clone));
}
/**
* clutter_clone_set_source:
* @clone: a #ClutterClone
@ -315,24 +351,10 @@ void
clutter_clone_set_source (ClutterClone *clone,
ClutterActor *source)
{
ClutterClonePrivate *priv;
g_return_if_fail (CLUTTER_IS_CLONE (clone));
g_return_if_fail (source == NULL || CLUTTER_IS_ACTOR (source));
priv = clone->priv;
if (priv->clone_source)
{
g_object_unref (priv->clone_source);
priv->clone_source = NULL;
}
if (source)
priv->clone_source = g_object_ref (source);
g_object_notify (G_OBJECT (clone), "source");
clutter_clone_set_source_internal (clone, source);
clutter_actor_queue_relayout (CLUTTER_ACTOR (clone));
}