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Make ::find_child_by_id() a method of ClutterContainer
Finding a child by its ID is a method that should be used by every container and not only by ClutterGroup. This is needed to actually fix the picking in ClutterStage.
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@ -377,3 +377,25 @@ clutter_container_foreach (ClutterContainer *container,
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CLUTTER_CONTAINER_GET_IFACE (container)->foreach (container, callback, user_data);
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}
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/**
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* clutter_container_find_child_by_id:
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* @container: a #ClutterContainer
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* @child_id: the unique id of an actor
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*
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* Finds a child actor of a container by its unique ID. Search recurses
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* into any child container.
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*
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* Return value: The child actor with the requested id, or %NULL if no
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* actor with that id was found
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*
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* Since: 0.6
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*/
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ClutterActor *
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clutter_container_find_child_by_id (ClutterContainer *container,
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guint child_id)
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{
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g_return_val_if_fail (CLUTTER_IS_CONTAINER (container), NULL);
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return CLUTTER_CONTAINER_GET_IFACE (container)->find_child_by_id (container,
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child_id);
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}
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@ -46,6 +46,9 @@ typedef struct _ClutterContainerIface ClutterContainerIface;
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* @add: virtual function for adding an actor to the container
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* @remove: virtual function for removing an actor from the container
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* @foreach: virtual function for iterating over the container's children
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* @find_child_by_id: virtual function for searching a container children
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* using its unique id. Should recurse through its children. This function
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* is used when "picking" actors (e.g. by clutter_stage_get_actor_at_pos())
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* @actor_added: signal class handler for ClutterContainer::actor_added
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* @actor_removed: signal class handler for ClutterContainer::actor_removed
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*
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@ -59,14 +62,16 @@ struct _ClutterContainerIface
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GTypeInterface g_iface;
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/*< public >*/
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void (* add) (ClutterContainer *container,
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ClutterActor *actor);
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void (* remove) (ClutterContainer *container,
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ClutterActor *actor);
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void (* foreach) (ClutterContainer *container,
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ClutterCallback callback,
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gpointer user_data);
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void (* add) (ClutterContainer *container,
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ClutterActor *actor);
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void (* remove) (ClutterContainer *container,
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ClutterActor *actor);
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void (* foreach) (ClutterContainer *container,
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ClutterCallback callback,
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gpointer user_data);
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ClutterActor *(* find_child_by_id) (ClutterContainer *container,
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guint child_id);
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/* signals */
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void (* actor_added) (ClutterContainer *container,
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ClutterActor *actor);
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@ -74,28 +79,31 @@ struct _ClutterContainerIface
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ClutterActor *actor);
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};
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GType clutter_container_get_type (void) G_GNUC_CONST;
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GType clutter_container_get_type (void) G_GNUC_CONST;
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void clutter_container_add (ClutterContainer *container,
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ClutterActor *first_actor,
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...) G_GNUC_NULL_TERMINATED;
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void clutter_container_add_actor (ClutterContainer *container,
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ClutterActor *actor);
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void clutter_container_add_valist (ClutterContainer *container,
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ClutterActor *first_actor,
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va_list var_args);
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void clutter_container_remove (ClutterContainer *container,
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ClutterActor *first_actor,
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...) G_GNUC_NULL_TERMINATED;
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void clutter_container_remove_actor (ClutterContainer *container,
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ClutterActor *actor);
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void clutter_container_remove_valist (ClutterContainer *container,
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ClutterActor *first_actor,
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va_list var_args);
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GList * clutter_container_get_children (ClutterContainer *container);
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void clutter_container_foreach (ClutterContainer *container,
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ClutterCallback callback,
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gpointer user_data);
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ClutterActor *clutter_container_find_child_by_id (ClutterContainer *container,
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guint child_id);
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void clutter_container_add (ClutterContainer *container,
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ClutterActor *first_actor,
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...) G_GNUC_NULL_TERMINATED;
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void clutter_container_add_actor (ClutterContainer *container,
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ClutterActor *actor);
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void clutter_container_add_valist (ClutterContainer *container,
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ClutterActor *first_actor,
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va_list var_args);
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void clutter_container_remove (ClutterContainer *container,
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ClutterActor *first_actor,
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...) G_GNUC_NULL_TERMINATED;
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void clutter_container_remove_actor (ClutterContainer *container,
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ClutterActor *actor);
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void clutter_container_remove_valist (ClutterContainer *container,
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ClutterActor *first_actor,
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va_list var_args);
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GList *clutter_container_get_children (ClutterContainer *container);
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void clutter_container_foreach (ClutterContainer *container,
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ClutterCallback callback,
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gpointer user_data);
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G_END_DECLS
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@ -282,12 +282,48 @@ clutter_group_real_foreach (ClutterContainer *container,
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(* callback) (CLUTTER_ACTOR (l->data), user_data);
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}
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static ClutterActor *
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clutter_group_real_find_child_by_id (ClutterContainer *container,
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guint child_id)
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{
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ClutterGroup *self = CLUTTER_GROUP (container);
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ClutterGroupPrivate *priv = self->priv;
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ClutterActor *actor = NULL;
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GList *l;
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if (clutter_actor_get_id (CLUTTER_ACTOR (self)) == child_id)
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return CLUTTER_ACTOR (self);
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for (l = priv->children; l; l = l->next)
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{
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ClutterActor *child = l->data;
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if (clutter_actor_get_id (child) == child_id)
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{
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actor = child;
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break;
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}
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if (CLUTTER_IS_CONTAINER (child))
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{
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ClutterContainer *c = CLUTTER_CONTAINER (child);
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actor = clutter_container_find_child_by_id (c, child_id);
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if (actor)
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break;
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}
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}
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return actor;
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}
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static void
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clutter_container_iface_init (ClutterContainerIface *iface)
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{
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iface->add = clutter_group_real_add;
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iface->remove = clutter_group_real_remove;
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iface->foreach = clutter_group_real_foreach;
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iface->find_child_by_id = clutter_group_real_find_child_by_id;
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}
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static void
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@ -534,38 +570,16 @@ clutter_group_get_nth_child (ClutterGroup *self,
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* into any child groups.
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*
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* Returns: the #ClutterActor if found, or NULL.
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*
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* Deprecated: 0.6: Use clutter_container_find_child_by_id() instead.
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*/
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ClutterActor *
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clutter_group_find_child_by_id (ClutterGroup *self,
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guint id)
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{
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ClutterActor *actor = NULL;
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GList *l;
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g_return_val_if_fail (CLUTTER_IS_GROUP (self), NULL);
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if (clutter_actor_get_id (CLUTTER_ACTOR (self)) == id)
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return CLUTTER_ACTOR (self);
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for (l = self->priv->children; l; l = l->next)
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{
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ClutterActor *child = l->data;
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if (clutter_actor_get_id (child) == id)
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{
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actor = child;
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break;
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}
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if (CLUTTER_IS_GROUP (child))
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{
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actor = clutter_group_find_child_by_id (CLUTTER_GROUP (child), id);
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if (actor)
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break;
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}
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}
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return actor;
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return clutter_container_find_child_by_id (CLUTTER_CONTAINER (self), id);
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}
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/**
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@ -577,7 +591,7 @@ clutter_group_find_child_by_id (ClutterGroup *self,
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* FIXME
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*/
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void
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clutter_group_raise (ClutterGroup *self,
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clutter_group_raise (ClutterGroup *self,
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ClutterActor *actor,
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ClutterActor *sibling)
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{
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@ -86,8 +86,6 @@ struct _ClutterGroupClass
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GType clutter_group_get_type (void) G_GNUC_CONST;
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ClutterActor *clutter_group_new (void);
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ClutterActor *clutter_group_find_child_by_id (ClutterGroup *self,
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guint id);
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ClutterActor *clutter_group_get_nth_child (ClutterGroup *self,
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gint index_);
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gint clutter_group_get_n_children (ClutterGroup *self);
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@ -104,6 +102,8 @@ void clutter_group_add_many_valist (ClutterGroup *group,
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va_list var_args);
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void clutter_group_remove (ClutterGroup *group,
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ClutterActor *actor);
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ClutterActor *clutter_group_find_child_by_id (ClutterGroup *self,
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guint id);
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#endif /* CLUTTER_DISABLE_DEPRECATED */
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void clutter_group_raise (ClutterGroup *self,
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@ -25,7 +25,7 @@ SCANGOBJ_OPTIONS=--type-init-func="clutter_base_init()"
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# Extra options to supply to gtkdoc-scan.
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# e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED"
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SCAN_OPTIONS=
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SCAN_OPTIONS=--deprecated-guards="CLUTTER_DISABLE_DEPRECATED"
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# Extra options to supply to gtkdoc-mkdb.
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# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml
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@ -218,6 +218,7 @@ clutter_container_remove
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clutter_container_remove_valist
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clutter_container_get_children
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clutter_container_foreach
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clutter_container_find_child_by_id
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<SUBSECTION Standard>
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ClutterContainer
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CLUTTER_TYPE_CONTAINER
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