// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include <kiwano/core/Common.h>
#include <typeindex>
#include <typeinfo>

namespace kiwano
{
/**
 * \addtogroup Events
 * @{
 */

/// \~chinese
/// @brief 事件类型
class EventType : public std::type_index
{
    class Dummy
    {
    };

public:
    /// \~chinese
    /// @brief 构建事件类型
    EventType();

    using std::type_index::type_index;
    using std::type_index::operator==;
    using std::type_index::operator!=;
    using std::type_index::operator<;
    using std::type_index::operator>=;
    using std::type_index::operator>;
    using std::type_index::operator<=;
};

/** @} */

#define KGE_EVENT(EVENT_TYPE) ::kiwano::EventType(typeid(EVENT_TYPE))

inline EventType::EventType()
    : std::type_index(typeid(EventType::Dummy))
{
}

}  // namespace kiwano
