197 lines
9.5 KiB
C
197 lines
9.5 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* ClutterContainer: Generic actor container interface.
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* Author: Emmanuele Bassi <ebassi@openedhand.com>
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*/
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#ifndef __CLUTTER_CONTAINER_H__
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#define __CLUTTER_CONTAINER_H__
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#include <clutter/clutter-actor.h>
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#include <clutter/clutter-child-meta.h>
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_CONTAINER (clutter_container_get_type ())
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#define CLUTTER_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CONTAINER, ClutterContainer))
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#define CLUTTER_IS_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CONTAINER))
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#define CLUTTER_CONTAINER_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), CLUTTER_TYPE_CONTAINER, ClutterContainerIface))
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typedef struct _ClutterContainerIface ClutterContainerIface;
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/**
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* ClutterContainer:
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*
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* #ClutterContainer is an opaque structure whose members cannot be directly
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* accessed
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*
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* Since: 0.4
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*/
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/**
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* ClutterContainerIface:
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* @add: virtual function for adding an actor to the container. This virtual
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* function is deprecated, and it should not be overridden.
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* @remove: virtual function for removing an actor from the container. This
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* virtual function is deprecated, and it should not be overridden.
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* @foreach: virtual function for iterating over the container's children.
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* This virtual function is deprecated, and it should not be overridden.
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* @foreach_with_internals: virtual functions for iterating over the
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* container's children, both added using the #ClutterContainer API
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* and internal children. The implementation of this virtual function
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* is required only if the #ClutterContainer implementation has
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* internal children. This virtual function is deprecated, and it should
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* not be overridden.
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* @raise: virtual function for raising a child. This virtual function is
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* deprecated and it should not be overridden.
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* @lower: virtual function for lowering a child. This virtual function is
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* deprecated and it should not be overridden.
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* @sort_depth_order: virtual function for sorting the children of a
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* container depending on their depth. This virtual function is deprecated
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* and it should not be overridden.
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* @child_meta_type: The GType used for storing auxiliary information about
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* each of the containers children.
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* @create_child_meta: virtual function that gets called for each added
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* child, the function should instantiate an object of type
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* #ClutterContainerIface::child_meta_type, set the container and actor
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* fields in the instance and add the record to a data structure for
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* subsequent access for #ClutterContainerIface::get_child_meta
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* @destroy_child_meta: virtual function that gets called when a child is
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* removed; it shuld release all resources held by the record
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* @get_child_meta: return the record for a container child
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* @actor_added: class handler for #ClutterContainer::actor-added
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* @actor_removed: class handler for #ClutterContainer::actor-removed
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* @child_notify: class handler for #ClutterContainer::child-notify
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*
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* Base interface for container actors. The @add, @remove and @foreach
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* virtual functions must be provided by any implementation; the other
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* virtual functions are optional.
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*
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* Since: 0.4
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*/
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struct _ClutterContainerIface
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{
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/*< private >*/
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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 (* foreach_with_internals) (ClutterContainer *container,
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ClutterCallback callback,
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gpointer user_data);
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/* child stacking */
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void (* raise) (ClutterContainer *container,
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ClutterActor *actor,
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ClutterActor *sibling);
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void (* lower) (ClutterContainer *container,
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ClutterActor *actor,
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ClutterActor *sibling);
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void (* sort_depth_order) (ClutterContainer *container);
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/* ClutterChildMeta management */
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GType child_meta_type;
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void (* create_child_meta) (ClutterContainer *container,
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ClutterActor *actor);
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void (* destroy_child_meta) (ClutterContainer *container,
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ClutterActor *actor);
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ClutterChildMeta *(* get_child_meta) (ClutterContainer *container,
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ClutterActor *actor);
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/* signals */
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void (* actor_added) (ClutterContainer *container,
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ClutterActor *actor);
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void (* actor_removed) (ClutterContainer *container,
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ClutterActor *actor);
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void (* child_notify) (ClutterContainer *container,
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ClutterActor *child,
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GParamSpec *pspec);
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};
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CLUTTER_EXPORT
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GType clutter_container_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterActor * clutter_container_find_child_by_name (ClutterContainer *container,
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const gchar *child_name);
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CLUTTER_EXPORT
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GParamSpec * clutter_container_class_find_child_property (GObjectClass *klass,
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const gchar *property_name);
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CLUTTER_EXPORT
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GParamSpec ** clutter_container_class_list_child_properties (GObjectClass *klass,
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guint *n_properties);
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CLUTTER_EXPORT
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void clutter_container_create_child_meta (ClutterContainer *container,
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ClutterActor *actor);
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CLUTTER_EXPORT
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void clutter_container_destroy_child_meta (ClutterContainer *container,
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ClutterActor *actor);
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CLUTTER_EXPORT
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ClutterChildMeta * clutter_container_get_child_meta (ClutterContainer *container,
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ClutterActor *actor);
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CLUTTER_EXPORT
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void clutter_container_child_set_property (ClutterContainer *container,
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ClutterActor *child,
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const gchar * property,
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const GValue *value);
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CLUTTER_EXPORT
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void clutter_container_child_get_property (ClutterContainer *container,
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ClutterActor *child,
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const gchar *property,
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GValue *value);
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CLUTTER_EXPORT
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void clutter_container_child_set (ClutterContainer *container,
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ClutterActor *actor,
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const gchar *first_prop,
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...) G_GNUC_NULL_TERMINATED;
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CLUTTER_EXPORT
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void clutter_container_child_get (ClutterContainer *container,
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ClutterActor *actor,
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const gchar *first_prop,
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...) G_GNUC_NULL_TERMINATED;
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CLUTTER_EXPORT
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void clutter_container_child_notify (ClutterContainer *container,
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ClutterActor *child,
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GParamSpec *pspec);
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G_END_DECLS
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#endif /* __CLUTTER_CONTAINER_H__ */
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