callback.h

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00001 // $Id: callback.h,v 1.4 2004/02/13 17:26:17 murrayc Exp $ -*- c++ -*-
00002 
00003 /* callback.h
00004  *
00005  * Copyright (C) 2000-2002 GConfmm Development Team
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Library General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public
00018  * License along with this library; if not, write to the Free
00019  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00020  */
00021 
00022 #ifndef GCONFMM_CALLBACK_H
00023 #define GCONFMM_CALLBACK_H
00024 
00025 extern "C"
00026 {
00027 #include <gconf/gconf-client.h>
00028 }
00029 
00030 #include <glibmm/object.h>
00031 #include <gconfmm/entry.h>
00032 
00033 namespace Gnome
00034 {
00035 
00036 namespace Conf
00037 {
00038 
00039 typedef sigc::slot<void, guint, Entry> Callback;
00040 
00041 class Client;
00042 
00043 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00044 class CallbackHolder
00045 {
00046 public:
00047 
00048   CallbackHolder(Callback slot);
00049   ~CallbackHolder();
00050 
00051   void add(Client* pObj);
00052 
00053   Callback m_Slot;
00054 
00055   static void destroy(void *data);
00056   static void call(GConfClient *client, guint i, GConfEntry *entry, void *data);  
00057 };
00058 #endif /* DOXYGEN_SHOULD_SKIP_THIS */
00059 
00060 } /* namespace Conf */
00061 } /* namespace Gnome */
00062 
00063 #endif //GCONFMM_CALLBACK_H

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