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