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/*
 * Cogl
 *
 * A Low Level GPU Graphics and Utilities API
 *
 * Copyright (C) 2011 Intel Corporation.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef __COGL_XLIB_H__
#define __COGL_XLIB_H__

#include <X11/Xlib.h>

/* NB: this is a top-level header that can be included directly but we
 * want to be careful not to define __COGL_H_INSIDE__ when this is
 * included internally while building Cogl itself since
 * __COGL_H_INSIDE__ is used in headers to guard public vs private api
 * definitions
 */
#ifndef COGL_COMPILATION

/* Note: When building Cogl .gir we explicitly define
 * __COGL_XLIB_H_INSIDE__ */
#ifndef __COGL_XLIB_H_INSIDE__
#define __COGL_XLIB_H_INSIDE__
#endif

/* Note: When building Cogl .gir we explicitly define
 * __COGL_H_INSIDE__ */
#ifndef __COGL_H_INSIDE__
#define __COGL_H_INSIDE__
#define __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__
#endif

#endif /* COGL_COMPILATION */

#include <cogl/cogl-types.h>
#include <cogl/deprecated/cogl-clutter-xlib.h>
#include <cogl/cogl-xlib-renderer.h>
#include <cogl/cogl-macros.h>

COGL_BEGIN_DECLS

/*
 * cogl_xlib_get_display:
 *
 * Return value: the Xlib display that will be used by the Xlib winsys
 * backend. The display needs to be set with _cogl_xlib_set_display()
 * before this function is called.
 *
 * Stability: Unstable
 * Deprecated: 1.16: Use cogl_xlib_renderer_get_display() instead
 */
COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_get_display)
Display *
cogl_xlib_get_display (void);

/*
 * cogl_xlib_set_display:
 *
 * Sets the Xlib display that Cogl will use for the Xlib winsys
 * backend. This function should eventually go away when Cogl gains a
 * more complete winsys abstraction.
 *
 * Stability: Unstable
 * Deprecated: 1.16: Use cogl_xlib_renderer_set_foreign_display()
 *                   instead
 */
COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_set_foreign_display)
void
cogl_xlib_set_display (Display *display);

/*
 * cogl_xlib_handle_event:
 * @xevent: pointer to XEvent structure
 *
 * This function processes a single X event; it can be used to hook
 * into external X event retrieval (for example that done by Clutter
 * or GDK).
 *
 * Return value: #CoglXlibFilterReturn. %COGL_XLIB_FILTER_REMOVE
 * indicates that Cogl has internally handled the event and the
 * caller should do no further processing. %COGL_XLIB_FILTER_CONTINUE
 * indicates that Cogl is either not interested in the event,
 * or has used the event to update internal state without taking
 * any exclusive action.
 *
 * Stability: Unstable
 * Deprecated: 1.16: Use cogl_xlib_renderer_handle_event() instead
 */
COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_handle_event)
CoglFilterReturn
cogl_xlib_handle_event (XEvent *xevent);

COGL_END_DECLS


/* The gobject introspection scanner seems to parse public headers in
 * isolation which means we need to be extra careful about how we
 * define and undefine __COGL_H_INSIDE__ used to detect when internal
 * headers are incorrectly included by developers. In the gobject
 * introspection case we have to manually define __COGL_H_INSIDE__ as
 * a commandline argument for the scanner which means we must be
 * careful not to undefine it in a header...
 */
#ifdef __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__
#undef __COGL_H_INSIDE__
#undef __COGL_XLIB_H_INSIDE__
#undef __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__
#endif

#endif /* __COGL_XLIB_H__ */