gtk/gdk/x11/gdkxid.c
2014-01-09 21:47:04 +01:00

109 lines
2.9 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include "gdkprivate-x11.h"
#include "gdkdisplay-x11.h"
#include <stdio.h>
static guint
gdk_xid_hash (XID *xid)
{
return *xid;
}
static gboolean
gdk_xid_equal (XID *a, XID *b)
{
return (*a == *b);
}
void
_gdk_x11_display_add_window (GdkDisplay *display,
XID *xid,
GdkWindow *data)
{
GdkX11Display *display_x11;
g_return_if_fail (xid != NULL);
g_return_if_fail (GDK_IS_DISPLAY (display));
display_x11 = GDK_X11_DISPLAY (display);
if (!display_x11->xid_ht)
display_x11->xid_ht = g_hash_table_new ((GHashFunc) gdk_xid_hash,
(GEqualFunc) gdk_xid_equal);
if (g_hash_table_lookup (display_x11->xid_ht, xid))
g_warning ("XID collision, trouble ahead");
g_hash_table_insert (display_x11->xid_ht, xid, data);
}
void
_gdk_x11_display_remove_window (GdkDisplay *display,
XID xid)
{
GdkX11Display *display_x11;
g_return_if_fail (GDK_IS_DISPLAY (display));
display_x11 = GDK_X11_DISPLAY (display);
if (display_x11->xid_ht)
g_hash_table_remove (display_x11->xid_ht, &xid);
}
/**
* gdk_x11_window_lookup_for_display:
* @display: (type GdkX11Display): the #GdkDisplay corresponding to the
* window handle
* @window: an XLib <type>Window</type>
*
* Looks up the #GdkWindow that wraps the given native window handle.
*
* Return value: (transfer none) (type GdkX11Window): the #GdkWindow wrapper for the native
* window, or %NULL if there is none.
*
* Since: 2.24
*/
GdkWindow *
gdk_x11_window_lookup_for_display (GdkDisplay *display,
Window window)
{
GdkX11Display *display_x11;
GdkWindow *data = NULL;
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
display_x11 = GDK_X11_DISPLAY (display);
if (display_x11->xid_ht)
data = g_hash_table_lookup (display_x11->xid_ht, &window);
return data;
}