109 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GDK - The GIMP Drawing Kit
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|  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| /*
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|  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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|  * file for a list of people on the GTK+ Team.  See the ChangeLog
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|  * files for a list of changes.  These files are distributed with
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|  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
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|  */
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| 
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| #include "config.h"
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| 
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| #include "gdkprivate-x11.h"
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| #include "gdkdisplay-x11.h"
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| 
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| #include <stdio.h>
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| 
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| static guint
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| gdk_xid_hash (XID *xid)
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| {
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|   return *xid;
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| }
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| 
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| static gboolean
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| gdk_xid_equal (XID *a, XID *b)
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| {
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|   return (*a == *b);
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| }
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| 
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| void
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| _gdk_x11_display_add_window (GdkDisplay *display,
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|                              XID        *xid,
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|                              GdkWindow  *data)
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| {
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|   GdkX11Display *display_x11;
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| 
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|   g_return_if_fail (xid != NULL);
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|   g_return_if_fail (GDK_IS_DISPLAY (display));
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| 
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|   display_x11 = GDK_X11_DISPLAY (display);
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| 
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|   if (!display_x11->xid_ht)
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|     display_x11->xid_ht = g_hash_table_new ((GHashFunc) gdk_xid_hash,
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|                                             (GEqualFunc) gdk_xid_equal);
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| 
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|   if (g_hash_table_lookup (display_x11->xid_ht, xid))
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|     g_warning ("XID collision, trouble ahead");
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| 
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|   g_hash_table_insert (display_x11->xid_ht, xid, data);
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| }
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| 
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| void
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| _gdk_x11_display_remove_window (GdkDisplay *display,
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|                                 XID         xid)
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| {
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|   GdkX11Display *display_x11;
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| 
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|   g_return_if_fail (GDK_IS_DISPLAY (display));
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| 
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|   display_x11 = GDK_X11_DISPLAY (display);
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| 
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|   if (display_x11->xid_ht)
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|     g_hash_table_remove (display_x11->xid_ht, &xid);
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| }
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| 
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| /**
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|  * gdk_x11_window_lookup_for_display:
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|  * @display: (type GdkX11Window): the #GdkDisplay corresponding to the
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|  *           window handle
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|  * @window: an XLib <type>Window</type>
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|  *
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|  * Looks up the #GdkWindow that wraps the given native window handle.
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|  *
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|  * Return value: (transfer none): the #GdkWindow wrapper for the native
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|  *    window, or %NULL if there is none.
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|  *
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|  * Since: 2.24
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|  */
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| GdkWindow *
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| gdk_x11_window_lookup_for_display (GdkDisplay *display,
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|                                    Window      window)
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| {
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|   GdkX11Display *display_x11;
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|   GdkWindow *data = NULL;
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| 
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|   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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| 
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|   display_x11 = GDK_X11_DISPLAY (display);
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| 
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|   if (display_x11->xid_ht)
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|     data = g_hash_table_lookup (display_x11->xid_ht, &window);
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| 
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|   return data;
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| }
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