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actor: Provide more children methods
Add a getter for the number of children, as well as a method to retrieve the child at a given index.
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@ -149,7 +149,6 @@ struct _ClutterLayoutInfo
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const ClutterLayoutInfo * _clutter_actor_get_layout_info_or_defaults (ClutterActor *self);
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ClutterLayoutInfo * _clutter_actor_get_layout_info (ClutterActor *self);
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gint _clutter_actor_get_n_children (ClutterActor *self);
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gboolean _clutter_actor_foreach_child (ClutterActor *self,
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ClutterForeachCallback callback,
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gpointer user_data);
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@ -13978,12 +13978,46 @@ clutter_actor_has_actions (ClutterActor *self)
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return self->priv->actions != NULL;
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}
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/**
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* clutter_actor_get_n_children:
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* @self: a #ClutterActor
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*
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* Retrieves the number of children of @self.
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*
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* Return value: the number of children of an actor
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*
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* Since: 1.10
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*/
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gint
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_clutter_actor_get_n_children (ClutterActor *self)
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clutter_actor_get_n_children (ClutterActor *self)
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{
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g_return_val_if_fail (CLUTTER_IS_ACTOR (self), 0);
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return self->priv->n_children;
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}
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/**
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* clutter_actor_get_child_at_index:
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* @self: a #ClutterActor
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* @index_: the position in the list of children
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*
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* Retrieves the actor at the given @index_ inside the list of
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* children of @self.
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*
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* Return value: (transfer none): a pointer to a #ClutterActor, or %NULL
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*
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* Since: 1.10
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*/
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ClutterActor *
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clutter_actor_get_child_at_index (ClutterActor *self,
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gint index_)
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{
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g_return_val_if_fail (CLUTTER_IS_ACTOR (self), NULL);
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g_return_val_if_fail (index_ <= self->priv->n_children, NULL);
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return g_list_nth_data (self->priv->children, index_);
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}
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/* _clutter_actor_foreach_child:
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* @actor: The actor whos children you want to iterate
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* @callback: The function to call for each child
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@ -462,6 +462,9 @@ void clutter_actor_insert_child_below (ClutterActor
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void clutter_actor_remove_child (ClutterActor *self,
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ClutterActor *child);
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GList * clutter_actor_get_children (ClutterActor *self);
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gint clutter_actor_get_n_children (ClutterActor *self);
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ClutterActor * clutter_actor_get_child_at_index (ClutterActor *self,
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gint index_);
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void clutter_actor_set_parent (ClutterActor *self,
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ClutterActor *parent);
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ClutterActor * clutter_actor_get_parent (ClutterActor *self);
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@ -477,10 +480,10 @@ void clutter_actor_lower (ClutterActor
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ClutterActor *above);
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void clutter_actor_raise_top (ClutterActor *self);
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void clutter_actor_lower_bottom (ClutterActor *self);
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void clutter_actor_push_internal (ClutterActor *self);
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void clutter_actor_pop_internal (ClutterActor *self);
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/* Transformations */
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gboolean clutter_actor_is_rotated (ClutterActor *self);
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gboolean clutter_actor_is_scaled (ClutterActor *self);
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