gimp/app/core/gimpcontainer.h

136 lines
5.4 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimpcontainer.h
* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_CONTAINER_H__
#define __GIMP_CONTAINER_H__
#include "gimpobject.h"
typedef enum
{
GIMP_CONTAINER_POLICY_STRONG,
GIMP_CONTAINER_POLICY_WEAK
} GimpContainerPolicy;
#define GIMP_TYPE_CONTAINER_POLICY (gimp_container_policy_get_type ())
#define GIMP_TYPE_CONTAINER (gimp_container_get_type ())
#define GIMP_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CONTAINER, GimpContainer))
#define GIMP_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CONTAINER, GimpContainerClass))
#define GIMP_IS_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CONTAINER))
#define GIMP_IS_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CONTAINER))
#define GIMP_CONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CONTAINER, GimpContainerClass))
typedef struct _GimpContainerClass GimpContainerClass;
struct _GimpContainer
{
GimpObject parent_instance;
/* public, read-only */
GType children_type;
GimpContainerPolicy policy;
gint num_children;
/* private */
GList *handlers;
gint freeze_count;
};
struct _GimpContainerClass
{
GimpObjectClass parent_class;
/* signals */
void (* add) (GimpContainer *container,
GimpObject *object);
void (* remove) (GimpContainer *container,
GimpObject *object);
void (* reorder) (GimpContainer *container,
GimpObject *object,
gint new_index);
void (* freeze) (GimpContainer *container);
void (* thaw) (GimpContainer *container);
/* virtual functions */
gboolean (* have) (const GimpContainer *container,
const GimpObject *object);
void (* foreach) (const GimpContainer *container,
GFunc func,
gpointer user_data);
GimpObject * (* get_child_by_name) (const GimpContainer *container,
const gchar *name);
GimpObject * (* get_child_by_index) (const GimpContainer *container,
gint index);
gint (* get_child_index) (const GimpContainer *container,
const GimpObject *object);
};
GType gimp_container_policy_get_type (void) G_GNUC_CONST;
GType gimp_container_get_type (void) G_GNUC_CONST;
GType gimp_container_children_type (const GimpContainer *container);
GimpContainerPolicy gimp_container_policy (const GimpContainer *container);
gint gimp_container_num_children (const GimpContainer *container);
gboolean gimp_container_add (GimpContainer *container,
GimpObject *object);
gboolean gimp_container_remove (GimpContainer *container,
GimpObject *object);
gboolean gimp_container_insert (GimpContainer *container,
GimpObject *object,
gint new_index);
gboolean gimp_container_reorder (GimpContainer *container,
GimpObject *object,
gint new_index);
void gimp_container_freeze (GimpContainer *container);
void gimp_container_thaw (GimpContainer *container);
gboolean gimp_container_frozen (GimpContainer *container);
gboolean gimp_container_have (GimpContainer *container,
GimpObject *object);
void gimp_container_foreach (GimpContainer *container,
GFunc func,
gpointer user_data);
GimpObject * gimp_container_get_child_by_name (const GimpContainer *container,
const gchar *name);
GimpObject * gimp_container_get_child_by_index (const GimpContainer *container,
gint index);
gint gimp_container_get_child_index (const GimpContainer *container,
const GimpObject *object);
GQuark gimp_container_add_handler (GimpContainer *container,
const gchar *signame,
GCallback callback,
gpointer callback_data);
void gimp_container_remove_handler (GimpContainer *container,
GQuark id);
#endif /* __GIMP_CONTAINER_H__ */