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