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marshal.h

00001 /*
00002   libwftk - Worldforge Toolkit - a widget library
00003   Copyright (C) 2002 Malcolm Walker <malcolm@worldforge.org>
00004   This file was not based on Libuta.
00005 
00006   This library is free software; you can redistribute it and/or
00007   modify it under the terms of the GNU Lesser General Public
00008   License as published by the Free Software Foundation; either
00009   version 2.1 of the License, or (at your option) any later version.
00010   
00011   This library is distributed in the hope that it will be useful,
00012   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014   Lesser General Public License for more details.
00015   
00016   You should have received a copy of the GNU Lesser General Public
00017   License along with this library; if not, write to the
00018   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00019   Boston, MA  02111-1307, SA.
00020 */
00021 
00022 #ifndef _MARSHAL_H
00023 #define _MARSHAL_H
00024 
00025 #include <sigc++/marshal.h>
00026 
00027 namespace wftk {
00028 
00042 class BoolMarshal
00043 {
00044   public:
00046     typedef bool InType;
00048     typedef bool OutType;
00049 
00050     BoolMarshal() : retval_(false) {}
00051 
00053     OutType value() {return retval_;}
00054 
00056     bool marshal(const InType& val)
00057     {
00058 #if SIGC_MAJOR_VERSION == 1 && SIGC_MINOR_VERSION == 0
00059       if (SigC::RetCode::check_ignore())
00060         return false;
00061 #endif
00062       retval_ = val;
00063       return val;
00064     }
00065 
00067     static bool default_value() {return false;}
00068 
00069   private:
00070    bool retval_;
00071 };
00072 
00073 } // namespace
00074 
00075 #endif

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