Magic_Game/src/kiwano/2d/Button.h

// 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/2d/Actor.h>

namespace kiwano
{

KGE_DECLARE_SMART_PTR(Button);

/**
 * \~chinese
 * @brief <EFBFBD><EFBFBD>ť
 */
class KGE_API Button : public Component
{
public:
    /// \~chinese
    /// @brief <20><>ť<EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
    using Callback = Function<void(Button* /* self */, Actor* /* target */)>;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ť
    /// @param click <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
    static ButtonPtr Create(const Callback& click);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ť
    /// @param click <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
    /// @param pressed <20><>ť<EFBFBD><C5A5><EFBFBD>»ص<C2BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
    /// @param mouse_over <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
    /// @param mouse_out <20><>ť<EFBFBD>Ƴ<EFBFBD><C6B3>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
    static ButtonPtr Create(const Callback& click, const Callback& pressed, const Callback& mouse_over,
                            const Callback& mouse_out);

    Button();

    virtual ~Button();

    /// \~chinese
    /// @brief <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
    void SetClickCallback(const Callback& func);

    /// \~chinese
    /// @brief <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
    void SetPressedCallback(const Callback& func);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
    void SetMouseOverCallback(const Callback& func);

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><C6B3><EFBFBD>ťʱ<C5A5>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
    void SetMouseOutCallback(const Callback& func);

protected:
    /// \~chinese
    /// @brief <20><>ť״̬
    enum class Status
    {
        Normal,  ///< <20><>ͨ
        Hover,   ///< <20><><EFBFBD><EFBFBD><EFBFBD>ڰ<EFBFBD>ť<EFBFBD><C5A5>
        Pressed  ///< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    };

    /// \~chinese
    /// @brief <20><>ȡ<EFBFBD><C8A1>ť״̬
    Status GetStatus() const;

    /// \~chinese
    /// @brief <20><><EFBFBD>ð<EFBFBD>ť״̬
    void SetStatus(Status status);

    /// \~chinese
    /// @brief <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    void InitComponent(Actor* actor) override;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    void DestroyComponent() override;

    /// \~chinese
    /// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD>¼<EFBFBD>
    void HandleEvent(Event* evt) override;

private:
    Status   status_;
    Callback click_callback_;
    Callback pressed_callback_;
    Callback mouse_over_callback_;
    Callback mouse_out_callback_;
};

inline void Button::SetClickCallback(const Callback& func)
{
    click_callback_ = func;
}

inline void Button::SetPressedCallback(const Callback& func)
{
    pressed_callback_ = func;
}

inline void Button::SetMouseOverCallback(const Callback& func)
{
    mouse_over_callback_ = func;
}

inline void Button::SetMouseOutCallback(const Callback& func)
{
    mouse_out_callback_ = func;
}

inline Button::Status Button::GetStatus() const
{
    return status_;
}

}  // namespace kiwano