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 1.8 2007-09-07 07:38:22 espen Exp $ */
  25
  26
  27 #include <gdk/gdk.h>
  28
  29 #ifdef GDK_WINDOWING_X11
  30 #include <gdk/gdkx.h>
  31 #elif defined (G_OS_WIN32)
  32 #include <gdk/gdkwin32.h>
  33 #endif
  34
  35 gint clg_gdk_connection_number (GdkDisplay *display)
  36 {
  37 #ifdef GDK_WINDOWING_X11
  38   return ConnectionNumber (GDK_DISPLAY_XDISPLAY (display));
  39 #else
  40   return -1;
  41 #endif
  42 }
  43
  44
  45 GdkWindow *clg_gdk_cairo_surface_get_window (cairo_surface_t *surface)
  46 {
  47   /* If 'surface_info_key' had been public we would have had a
  48      portable way to find the GdkWindow of a Cairo surface. */
  49
  50 #ifdef GDK_WINDOWING_X11
  51   g_return_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_XLIB);
  52
  53   Display* display = cairo_xlib_surface_get_display (surface);
  54   if (display) {
  55     Drawable window = cairo_xlib_surface_get_drawable (surface);
  56     if (window)
  57       return gdk_window_lookup_for_display (window, display);
  58   }
  59
  60   return NULL;
  61 #elif defined (G_OS_WIN32)
  62   HDC hdc = (HDC)cairo_win32_surface_get_dc (surface);
  63   if (hdc)
  64     return gdk_window_lookup ((GdkNativeWindow)hdc);
  65   else
  66     return NULL;
  67 #else
  68   return NULL;
  69 #endif
  70 }