mdw@git.distorted.org.uk Git - clg/blob - gdk/alien/glue.c

   1 /* Common Lisp bindings for GTK+ v2.x
   2  * Copyright 1999-2007 Espen S. Johnsen <espen@users.sf.net>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /* $Id: glue.c,v 1.6 2007-06-01 09:23:41 espen Exp $ */
  25
  26
  27 #include <gdk/gdk.h>
  28
  29 #ifdef GDK_WINDOWING_X11
  30 #include <gdk/gdkx.h>
  31 #endif
  32
  33 gint clg_gdk_connection_number (GdkDisplay *display)
  34 {
  35 #ifdef GDK_WINDOWING_X11
  36   return ConnectionNumber (GDK_DISPLAY_XDISPLAY (display));
  37 #else
  38   return -1;
  39 #endif
  40 }
  41
  42
  43 GdkWindow *clg_gdk_cairo_surface_get_window (cairo_surface_t *surface)
  44 {
  45   /* If 'surface_info_key' had been public we would have had a
  46      portable way to find the GdkWindow of a Cairo surface. */
  47
  48 #ifdef GDK_WINDOWING_X11
  49   Display* display = cairo_xlib_surface_get_display (surface);
  50   Drawable window = cairo_xlib_surface_get_drawable (surface);
  51   if (display && window)
  52     return gdk_window_lookup_for_display (window, display);
  53   else
  54     return NULL;
  55 #elif defined (G_OS_WIN32)
  56   HDC hdc = cairo_win32_surface_get_dc (surface);
  57   if (hdc)
  58     return gdk_window_lookup (hdc);
  59   else
  60     return NULL;
  61 #else
  62   return NULL;
  63 #endif
  64 }