signal_source_func.h

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00001 #ifndef _SIGX_SIGNAL_SOURCE_FUNC_HPP_
00002 #define _SIGX_SIGNAL_SOURCE_FUNC_HPP_
00003 
00004 /*
00005  * Copyright 2005 Klaus Triendl
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, 51 Franklin Street, Fifth Floor, 
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #include <sigc++/functors/functor_trait.h>
00024 #include <sigxconfig.h>
00025 #include <sigx/signal_source_base.h>
00026 
00027 
00028 namespace sigx
00029 {
00030 
00040 template<typename T_functor, typename T_signal>
00041 struct signal_source_func: public signal_source_base
00042 {
00043     typedef signal_source_func<T_functor, T_signal> self_type;
00044     typedef typename sigc::functor_trait<T_functor>::functor_type functor_type;
00045 
00046     signal_source_func(const T_functor& _A_func): 
00047         signal_source_base(reinterpret_cast<hook>(&self_type::get_signal)), 
00048         m_func(_A_func)
00049     {}
00050     
00051     static T_signal get_signal(signal_source_ptr base)
00052     {
00053         self_type* const this_ = static_cast<self_type*>(base);
00054         return this_->m_func();
00055     }
00056 
00057 
00058     functor_type m_func;
00059 };
00060 
00061 
00062 } // namespace sigx
00063 
00064 
00065 #endif // _SIGX_SIGNAL_SOURCE_FUNC_HPP_

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