gimp/app/gimpset.h

101 lines
3.4 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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_SET_H__
#define __GIMP_SET_H__
#include "gimpobject.h"
/* GimpSet - a (usually) typed set of objects with signals for adding
* and removing of stuff. If it is weak, destroyed objects get removed
* automatically. If it is not, it refs them so they won't be freed
* till they are removed. (Though they can be destroyed, of course).
*
* If GTK_TYPE_NONE is specified at gimpset creation time, no type
* checking is performed by gimp_set_add() and the
* gimp_set_{add,remove}_handler() functions should not be used. It
* is also illegal to ask for a weak untyped gimpset.
*/
#define GIMP_TYPE_SET (gimp_set_get_type ())
#define GIMP_SET(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_SET, GimpSet))
#define GIMP_SET_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_SET, GimpSetClass))
#define GIMP_IS_SET(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_SET))
#define GIMP_IS_SET_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_SET))
typedef struct _GimpSetClass GimpSetClass;
struct _GimpSet
{
GimpObject parent_instance;
GtkType type;
GSList *list;
GArray *handlers;
gboolean weak;
gpointer active_element;
};
struct _GimpSetClass
{
GimpObjectClass parent_class;
void (* add) (GimpSet *gimpset,
gpointer object);
void (* remove) (GimpSet *gimpset,
gpointer object);
void (* active_changed) (GimpSet *gimpset,
gpointer object);
};
GtkType gimp_set_get_type (void);
GimpSet * gimp_set_new (GtkType type,
gboolean weak);
GtkType gimp_set_type (GimpSet *set);
gboolean gimp_set_add (GimpSet *gimpset,
gpointer object);
gboolean gimp_set_remove (GimpSet *gimpset,
gpointer object);
gboolean gimp_set_have (GimpSet *gimpset,
gpointer object);
void gimp_set_foreach (GimpSet *gimpset,
GFunc func,
gpointer user_data);
gint gimp_set_size (GimpSet *gimpset);
void gimp_set_set_active (GimpSet *gimpset,
gpointer object);
gpointer gimp_set_get_active (GimpSet *gimpset);
GimpSetHandlerId gimp_set_add_handler (GimpSet *set,
const gchar *signame,
GtkSignalFunc handler,
gpointer user_data);
void gimp_set_remove_handler (GimpSet *set,
GimpSetHandlerId id);
#endif /* __GIMP_SET_H__ */