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358 lines
12 KiB
358 lines
12 KiB
// Boost.Signals library |
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// Copyright Douglas Gregor 2001-2006. Use, modification and |
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// distribution is subject to the Boost Software License, Version |
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// For more information, see http://www.boost.org/libs/signals |
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#ifndef BOOST_SIGNAL_HPP |
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#define BOOST_SIGNAL_HPP |
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#ifndef BOOST_SIGNALS_MAX_ARGS |
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# define BOOST_SIGNALS_MAX_ARGS 10 |
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#endif |
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#include <boost/config.hpp> |
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#include <boost/type_traits/function_traits.hpp> |
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#include <boost/signals/signal0.hpp> |
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#include <boost/signals/signal1.hpp> |
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#include <boost/signals/signal2.hpp> |
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#include <boost/signals/signal3.hpp> |
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#include <boost/signals/signal4.hpp> |
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#include <boost/signals/signal5.hpp> |
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#include <boost/signals/signal6.hpp> |
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#include <boost/signals/signal7.hpp> |
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#include <boost/signals/signal8.hpp> |
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#include <boost/signals/signal9.hpp> |
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#include <boost/signals/signal10.hpp> |
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#include <boost/function.hpp> |
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#ifdef BOOST_HAS_ABI_HEADERS |
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# include BOOST_ABI_PREFIX |
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#endif |
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namespace boost { |
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#ifndef BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX |
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namespace BOOST_SIGNALS_NAMESPACE { |
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namespace detail { |
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template<int Arity, |
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typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<0, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal0<typename traits::result_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<1, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal1<typename traits::result_type, |
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typename traits::arg1_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<2, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal2<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<3, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal3<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<4, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal4<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<5, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal5<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<6, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal6<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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typename traits::arg6_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<7, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal7<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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typename traits::arg6_type, |
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typename traits::arg7_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<8, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal8<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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typename traits::arg6_type, |
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typename traits::arg7_type, |
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typename traits::arg8_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<9, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal9<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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typename traits::arg6_type, |
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typename traits::arg7_type, |
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typename traits::arg8_type, |
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typename traits::arg9_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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class real_get_signal_impl<10, Signature, Combiner, Group, GroupCompare, |
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SlotFunction> |
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{ |
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typedef function_traits<Signature> traits; |
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public: |
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typedef signal10<typename traits::result_type, |
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typename traits::arg1_type, |
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typename traits::arg2_type, |
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typename traits::arg3_type, |
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typename traits::arg4_type, |
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typename traits::arg5_type, |
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typename traits::arg6_type, |
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typename traits::arg7_type, |
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typename traits::arg8_type, |
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typename traits::arg9_type, |
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typename traits::arg10_type, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> type; |
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}; |
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template<typename Signature, |
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typename Combiner, |
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typename Group, |
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typename GroupCompare, |
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typename SlotFunction> |
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struct get_signal_impl : |
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public real_get_signal_impl<(function_traits<Signature>::arity), |
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Signature, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction> |
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{ |
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}; |
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} // end namespace detail |
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} // end namespace BOOST_SIGNALS_NAMESPACE |
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// Very lightweight wrapper around the signalN classes that allows signals to |
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// be created where the number of arguments does not need to be part of the |
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// class name. |
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template< |
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typename Signature, // function type R (T1, T2, ..., TN) |
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typename Combiner = last_value<typename function_traits<Signature>::result_type>, |
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typename Group = int, |
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typename GroupCompare = std::less<Group>, |
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typename SlotFunction = function<Signature> |
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> |
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class signal : |
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public BOOST_SIGNALS_NAMESPACE::detail::get_signal_impl<Signature, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction>::type |
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{ |
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typedef typename BOOST_SIGNALS_NAMESPACE::detail::get_signal_impl< |
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Signature, |
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Combiner, |
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Group, |
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GroupCompare, |
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SlotFunction>::type base_type; |
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public: |
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explicit signal(const Combiner& combiner = Combiner(), |
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const GroupCompare& group_compare = GroupCompare()) : |
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base_type(combiner, group_compare) |
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{ |
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} |
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}; |
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#endif // ndef BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX |
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} // end namespace boost |
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#ifdef BOOST_HAS_ABI_HEADERS |
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# include BOOST_ABI_SUFFIX |
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#endif |
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#endif // BOOST_SIGNAL_HPP
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