/*
 * Clutter.
 *
 * An OpenGL based 'interactive canvas' library.
 *
 * Authored By Matthew Allum  <mallum@openedhand.com>
 *
 * Copyright (C) 2006 OpenedHand
 *
 * 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.
 */

/**
 * SECTION:clutter-glx
 * @short_description: GLX specific API
 *
 * The GLX backend for Clutter provides some specific API, allowing
 * integration with the Xlibs API for embedding and manipulating the
 * stage window, or for trapping X errors.
 *
 * The ClutterGLX API is available since Clutter 0.4
 */

#ifndef __CLUTTER_GLX_H__
#define __CLUTTER_GLX_H__

#include <glib.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <clutter/clutter-stage.h>

G_BEGIN_DECLS

typedef enum {
  CLUTTER_GLX_FILTER_CONTINUE,   /* Event not handled, continue processesing */
  CLUTTER_GLX_FILTER_TRANSLATE,  /* Native event translated into a Clutter 
                                    event and stored in the "event" structure 
                                    that was passed in */
  CLUTTER_GLX_FILTER_REMOVE      /* Terminate processing, removing event */
} ClutterGLXFilterReturn;

typedef ClutterGLXFilterReturn (*ClutterGLXFilterFunc) (XEvent        *xev, 
							ClutterEvent  *cev,
							gpointer      *data);

void     clutter_glx_trap_x_errors       (void);
gint     clutter_glx_untrap_x_errors     (void);

Display *clutter_glx_get_default_display (void);
int      clutter_glx_get_default_screen  (void);
Window   clutter_glx_get_root_window     (void);

Window       clutter_glx_get_stage_window (ClutterStage *stage);
XVisualInfo *clutter_glx_get_stage_visual (ClutterStage *stage);

gboolean     clutter_glx_set_stage_foreign (ClutterStage *stage,
                                            Window        xwindow);

void         clutter_glx_add_filter (ClutterGLXFilterFunc func, gpointer data);

void         clutter_glx_remove_filter (ClutterGLXFilterFunc func, 
					gpointer data);

G_END_DECLS

#endif /* __CLUTTER_GLX_H__ */