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actor: don't queue_redraw actors not descended from stage

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This makes clutter_actor_queue_redraw simply bail out early if the actor
isn't a descendant of a ClutterStage since the request isn't meaningful
and it avoids a crash when trying to queue a clipped redraw against the
stage to clear the actors old location.
This commit is contained in:
Robert Bragg 2010-09-09 14:30:38 +01:00
parent b77d9a6d2c
commit bfacca3011
1 changed files with 6 additions and 1 deletions
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7
clutter/clutter-actor.c
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@ -4930,11 +4930,17 @@ clutter_actor_queue_redraw (ClutterActor *self)
ClutterActorPrivate *priv;
const ClutterPaintVolume *pv;
gboolean clipped;
ClutterActor *stage;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
priv = self->priv;
/* Ignore queuing a redraw for actors not descended from a stage */
stage = _clutter_actor_get_stage_internal (self);
if (!stage)
return;
/* Don't clip this redraw if we don't know what position we had for
* the previous redraw since we don't know where to set the clip so
* it will clear the actor as it is currently. */
@ -4943,7 +4949,6 @@ clutter_actor_queue_redraw (ClutterActor *self)
pv = clutter_actor_get_paint_volume (self);
if (pv)
{
ClutterActor *stage = _clutter_actor_get_stage_internal (self);
ClutterPaintVolume stage_pv;
_clutter_paint_volume_init_static (stage, &stage_pv);
ClutterActorBox *box = &priv->last_paint_box;