gimp/app/scroll.h

39 lines
1.5 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 __SCROLL_H__
#define __SCROLL_H__
#include "gdisplay.h"
/* app init and exit routines */
void init_scrolling (void);
void free_scrolling (void);
/* routines for scrolling the image via the scrollbars */
void scrollbar_disconnect (GtkAdjustment *, gpointer);
gint scrollbar_vert_update (GtkAdjustment *, gpointer);
gint scrollbar_horz_update (GtkAdjustment *, gpointer);
/* routines for grabbing the image and scrolling via the pointer */
void start_grab_and_scroll (GDisplay *, GdkEventButton *);
void end_grab_and_scroll (GDisplay *, GdkEventButton *);
void grab_and_scroll (GDisplay *, GdkEventMotion *);
void scroll_to_pointer_position (GDisplay *, GdkEventMotion *);
#endif /* __SCROLL_H__ */