/* 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 <gdk/gdk.h> #include "gdkprivate-win32.h" static GHashTable *handle_ht = NULL; static guint gdk_handle_hash (HANDLE *handle) { #ifdef _WIN64 return ((guint *) handle)[0] ^ ((guint *) handle)[1]; #else return (guint) *handle; #endif } static int gdk_handle_equal (HANDLE *a, HANDLE *b) { return (*a == *b); } void gdk_win32_handle_table_insert (HANDLE *handle, gpointer data) { g_return_if_fail (handle != NULL); if (!handle_ht) handle_ht = g_hash_table_new ((GHashFunc) gdk_handle_hash, (GEqualFunc) gdk_handle_equal); g_hash_table_insert (handle_ht, handle, data); } void gdk_win32_handle_table_remove (HANDLE handle) { if (!handle_ht) handle_ht = g_hash_table_new ((GHashFunc) gdk_handle_hash, (GEqualFunc) gdk_handle_equal); g_hash_table_remove (handle_ht, &handle); } gpointer gdk_win32_handle_table_lookup (HWND handle) { gpointer data = NULL; if (handle_ht) data = g_hash_table_lookup (handle_ht, &handle); return data; }