Magic_Game/Kiwano/ui/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 "../2d/Sprite.h"
#include <functional>

namespace kiwano
{
	class KGE_API Button
		: public Sprite
	{
		using Callback = Closure<void()>;

	public:
		Button();

		explicit Button(
			Callback const& click		/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		explicit Button(
			Callback const& click,		/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
			Callback const& pressed,	/* <20><>ť<EFBFBD><C5A5><EFBFBD>»ص<C2BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
			Callback const& mouse_over,	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
			Callback const& mouse_out	/* <20><>ť<EFBFBD>Ƴ<EFBFBD><C6B3>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		virtual ~Button();

		// <20><>ȡ<EFBFBD><C8A1>ť״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>ǽ<EFBFBD><C7BD><EFBFBD>
		bool IsEnable() const;

		// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
		void SetEnabled(
			bool enabled
		);

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

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

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
		void SetMouseOverCallback(
			const Callback& func
		);

		// <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
		);

	private:
		enum class Status { Normal, Hover, Pressed };

		void SetStatus(
			Status status
		);

		void UpdateStatus(Event const& evt);

	private:
		bool		enabled_;
		bool		is_selected_;
		Status		status_;
		Callback	click_callback_;
		Callback	pressed_callback_;
		Callback	mouse_over_callback_;
		Callback	mouse_out_callback_;
	};
}