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update height when track object priority offset changes

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Brandon Lewis 2010-07-09 13:49:23 +02:00 committed by Edward Hervey
parent 6667956ceb
commit a9c3628b5a
1 changed files with 26 additions and 0 deletions
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26
ges/ges-timeline-object.c
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@ -39,6 +39,10 @@ gboolean
ges_timeline_object_create_track_objects_func (GESTimelineObject
* object, GESTrack * track);
static void
track_object_priority_offset_changed_cb (GESTrackObject * child,
GParamSpec * arg G_GNUC_UNUSED, GESTimelineObject * obj);
G_DEFINE_TYPE (GESTimelineObject, ges_timeline_object, G_TYPE_OBJECT);
enum
@ -301,6 +305,9 @@ ges_timeline_object_add_track_object (GESTimelineObject * object, GESTrackObject
GST_DEBUG ("Returning trobj:%p", trobj);
g_signal_connect (G_OBJECT (trobj), "notify::priority-offset", G_CALLBACK
(track_object_priority_offset_changed_cb), object);
return TRUE;
}
@ -487,3 +494,22 @@ ges_timeline_object_find_track_object (GESTimelineObject * object,
return ret;
}
static void
track_object_priority_offset_changed_cb (GESTrackObject * child,
GParamSpec * arg G_GNUC_UNUSED, GESTimelineObject * obj)
{
guint new, old;
/* all track objects have height 1 */
new = GES_TRACK_OBJECT_PRIORITY_OFFSET (child) + 1;
old = GES_TIMELINE_OBJECT_HEIGHT (obj);
GST_LOG ("object %p, new=%d, old=%d", obj, new, old);
if (new > old) {
obj->height = new;
GST_LOG ("emitting notify signal");
g_object_notify ((GObject *) obj, "height");
}
}