88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
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/* 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 int
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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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gpointer
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gdk_win32_handle_table_lookup (HWND handle)
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{
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return gdk_win32_handle_table_lookup_ (handle);
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}
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