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Add some more sanity checks to clutter_do_event()

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Silently ignore events on stages during destruction; but print out a
warning if clutter_do_event() is being called with a stage-less event.
This commit is contained in:
Emmanuele Bassi 2011-02-03 11:30:10 +00:00
parent 63e88d9840
commit d846f5fe6a
1 changed files with 16 additions and 2 deletions
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18
clutter/clutter-main.c
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@ -2262,14 +2262,28 @@ is_off_stage (ClutterActor *stage,
* clutter_do_event
* @event: a #ClutterEvent.
*
* Processes an event. This function should never be called by applications.
* Processes an event.
*
* The @event must be a valid #ClutterEvent and have a #ClutterStage
* associated to it.
*
* This function is only useful when embedding Clutter inside another
* toolkit, and it should never be called by applications.
*
* Since: 0.4
*/
void
clutter_do_event (ClutterEvent *event)
{
if (!event->any.stage)
/* we need the stage for the event */
if (event->any.stage == NULL)
{
g_warning ("%s: Event does not have a stage: discarding.", G_STRFUNC);
return;
}
/* stages in destruction do not process events */
if (CLUTTER_ACTOR_IN_DESTRUCTION (event->any.stage))
return;
/* Instead of processing events when received, we queue them up to