Robert Bragg
51fca9d968
actor: Adds private _clutter_actor_traverse API
...
This adds two internal functions relating to explicit traversal of the
scenegraph:
_clutter_actor_foreach_child
_clutter_actor_traverse
_clutter_actor_foreach_child just iterates the immediate children of an
actor, and with a new ClutterForeachCallback type it allows the
callbacks to break iteration early.
_clutter_actor_traverse traverses the given actor and all of its
decendants. Again traversal can be stopped early if a callback returns
FALSE.
The first intended use for _clutter_actor_traverse is to maintain a
cache pointer to the stage for all actors. In this case we will need to
update the pointer for all descendants of an actor when an actor is
reparented in any way.
2010-09-29 15:13:01 +01:00
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