gimp/app/actions/actions.h

/* 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 __ACTIONS_H__
#define __ACTIONS_H__


extern GimpActionFactory *global_action_factory;


void          actions_init            (Gimp     *gimp);
void          actions_exit            (Gimp     *gimp);

Gimp        * action_data_get_gimp    (gpointer  data);
GimpImage   * action_data_get_image   (gpointer  data);
GimpDisplay * action_data_get_display (gpointer  data);
GtkWidget   * action_data_get_widget  (gpointer  data);


#define return_if_no_gimp(gimp,data) \
  gimp = action_data_get_gimp (data); \
  if (! gimp) \
    return

#define return_if_no_image(gimage,data) \
  gimage = action_data_get_image (data); \
  if (! gimage) \
    return

#define return_if_no_display(gdisp,data) \
  gdisp = action_data_get_display (data); \
  if (! gdisp) \
    return

#define return_if_no_widget(widget,data) \
  widget = action_data_get_widget (data); \
  if (! widget) \
    return


#define return_if_no_drawable(gimage,drawable,data) \
  return_if_no_image (gimage,data); \
  drawable = gimp_image_active_drawable (gimage); \
  if (! drawable) \
    return

#define return_if_no_layer(gimage,layer,data) \
  return_if_no_image (gimage,data); \
  layer = gimp_image_get_active_layer (gimage); \
  if (! layer) \
    return

#define return_if_no_channel(gimage,channel,data) \
  return_if_no_image (gimage,data); \
  channel = gimp_image_get_active_channel (gimage); \
  if (! channel) \
    return

#define return_if_no_vectors(gimage,vectors,data) \
  return_if_no_image (gimage,data); \
  vectors = gimp_image_get_active_vectors (gimage); \
  if (! vectors) \
    return


#endif /* __ACTIONS_H__ */