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timeline-element: Add a method to get the topelevel parent of an element

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API:
	ges_timeline_element_get_toplevel_parent
This commit is contained in:
Thibault Saunier 2013-07-03 18:33:05 -04:00 committed by Mathieu Duponchelle
parent 4e51b347ff
commit bce084f4fd
3 changed files with 24 additions and 0 deletions
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1
docs/libs/ges-sections.txt
View file

@ -374,6 +374,7 @@ ges_timeline_element_ripple_end
ges_timeline_element_roll_start
ges_timeline_element_roll_end
ges_timeline_element_trim
ges_timeline_element_get_toplevel_parent
GES_TIMELINE_ELEMENT_PARENT
GES_TIMELINE_ELEMENT_TIMELINE
GES_TIMELINE_ELEMENT_START

21
ges/ges-timeline-element.c
View file

@ -832,3 +832,24 @@ ges_timeline_element_copy (GESTimelineElement * self, gboolean deep)
return ret;
}
/**
* ges_timeline_element_get_toplevel_parent:
* @self: The #GESTimelineElement to get the toplevel parent from
*
* Gets the toplevel #GESTimelineElement controlling @self
*
* Returns: (transfer full): The toplevel controlling parent of @self
*/
GESTimelineElement *
ges_timeline_element_get_toplevel_parent (GESTimelineElement * self)
{
GESTimelineElement *toplevel = self;
g_return_val_if_fail (GES_IS_TIMELINE_ELEMENT (self), NULL);
while (GES_TIMELINE_ELEMENT_PARENT (toplevel))
toplevel = GES_TIMELINE_ELEMENT_PARENT (toplevel);
return gst_object_ref (toplevel);
}

2
ges/ges-timeline-element.h
View file

@ -179,6 +179,8 @@ struct _GESTimelineElementClass
GType ges_timeline_element_get_type (void) G_GNUC_CONST;
GESTimelineElement *
ges_timeline_element_get_toplevel_parent (GESTimelineElement *self);
GESTimelineElement * ges_timeline_element_get_parent (GESTimelineElement * self);
gboolean ges_timeline_element_set_parent (GESTimelineElement *self, GESTimelineElement *parent);
gboolean ges_timeline_element_set_timeline (GESTimelineElement *self, GESTimeline *timeline);