/* LIBGIMP - The GIMP Library
 * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
 *
 * gimpprogress.h
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __GIMP_PROGRESS_H__
#define __GIMP_PROGRESS_H__

G_BEGIN_DECLS


typedef struct _GimpProgressVtable GimpProgressVtable;

struct _GimpProgressVtable
{
  void    (* start)        (const gchar *message,
                            gboolean     cancelable,
                            gpointer     user_data);
  void    (* end)          (gpointer     user_data);
  void    (* set_text)     (const gchar *message,
                            gpointer     user_data);
  void    (* set_value)    (gdouble      percentage,
                            gpointer     user_data);
  void    (* pulse)        (gpointer     user_data);

  guint32 (* get_window)   (gpointer     user_data);

  /* Padding for future expansion. Must be initialized with NULL! */
  void (* _gimp_reserved1) (void);
  void (* _gimp_reserved2) (void);
  void (* _gimp_reserved3) (void);
  void (* _gimp_reserved4) (void);
  void (* _gimp_reserved5) (void);
  void (* _gimp_reserved6) (void);
  void (* _gimp_reserved7) (void);
  void (* _gimp_reserved8) (void);
};


const gchar * gimp_progress_install_vtable  (const GimpProgressVtable *vtable,
                                             gpointer                  user_data);
gpointer      gimp_progress_uninstall       (const gchar              *progress_callback);

gboolean      gimp_progress_init            (const gchar              *message);
gboolean      gimp_progress_init_printf     (const gchar              *format,
                                             ...) G_GNUC_PRINTF (1, 2);

gboolean      gimp_progress_set_text_printf (const gchar              *format,
                                             ...) G_GNUC_PRINTF (1, 2);

gboolean      gimp_progress_update          (gdouble                   percentage);


#ifndef GIMP_DISABLE_DEPRECATED
typedef void (* GimpProgressStartCallback) (const gchar *message,
                                            gboolean     cancelable,
                                            gpointer     user_data);
typedef void (* GimpProgressEndCallback)   (gpointer     user_data);
typedef void (* GimpProgressTextCallback)  (const gchar *message,
                                            gpointer     user_data);
typedef void (* GimpProgressValueCallback) (gdouble      percentage,
                                            gpointer     user_data);


const gchar * gimp_progress_install       (GimpProgressStartCallback  start_callback,
                                           GimpProgressEndCallback    end_callback,
                                           GimpProgressTextCallback   text_callback,
                                           GimpProgressValueCallback  value_callback,
                                           gpointer                   user_data);
#endif /* GIMP_DISABLE_DEPRECATED */


G_END_DECLS

#endif /* __GIMP_PROGRESS_H__ */