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Iterating over children and ancestors of an actor is a relatively common operation. Currently, you only have one option: start a for() loop, get the first child of the actor, and advance to the next sibling for the list of children; or start a for() loop and advance to the parent of the actor. These operations can be easily done through the ClutterActor API, but they all require going through the public API, and performing multiple type checks on the arguments. Along with the DOM API, it would be nice to have an ancillary, utility API that uses an iterator structure to hold the state, and can be advanced in a loop. https://bugzilla.gnome.org/show_bug.cgi?id=668669 |
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