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/************************************************************************
*
* Copyright (C) 2009-2024 IRCAD France
* Copyright (C) 2012-2021 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#define FWCOM_SLOT_HPP
#include "core/com/slot_call.hpp"
#include "core/function.hpp"
#include <functional>
#include <utility>
namespace sight::core::com
{
template<typename F>
class slot;
//-----------------------------------------------------------------------------
template<typename R, typename ... A>
class SIGHT_CORE_CLASS_API slot<R(A ...)>: public slot_call<R(A ...)>
{
public:
using signature_type = R(A ...);
using self_t = slot<signature_type>;
using sptr = std::shared_ptr<self_t>;
using wptr = std::weak_ptr<self_t>;
slot();
};
//-----------------------------------------------------------------------------
template<typename R, typename ... A>
class SIGHT_CORE_CLASS_API slot<std::function<R(A ...)> >: public slot<R(A ...)>
{
public:
using signature_type = R(A ...);
using function_t = std::function<signature_type>;
template<typename FUNCTOR>
slot(FUNCTOR _f) :
slot<R(A ...)>(),
m_func(std::move(_f))
{
}
~slot() override
= default;
//------------------------------------------------------------------------------
void run(A ... _a) const override
{
m_func(_a ...);
}
//------------------------------------------------------------------------------
R call(A ... _a) const override
{
return m_func(_a ...);
}
protected:
function_t m_func;
};
//-----------------------------------------------------------------------------
template<typename R, typename ... A>
class SIGHT_CORE_CLASS_API slot<slot<R(A ...)> >: public slot<std::function<R(A ...)> >
{
public:
using signature_type = R(A ...);
using function_t = std::function<signature_type>;
template<typename F> slot(SPTR(slot_run<F>)_slot);
template<typename F> slot(SPTR(slot<F>)_slot);
};
//-----------------------------------------------------------------------------
template<typename F, typename, typename ... bindings>
SPTR(slot<typename core::com::util::convert_function_type<F>::type>) new_slot(F _f, bindings ... _bindings);
//-----------------------------------------------------------------------------
// Prototype used for lambdas functions
template<typename F, typename>
SPTR(slot<core::lambda_to_function_t<F> >) new_slot(F _f);
//-----------------------------------------------------------------------------
} // namespace sight::core::com
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