Magic_Game/core/ui/Button.h

// Copyright (c) 2016-2018 Easy2D - 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 "../base/Sprite.h"
#include <functional>

namespace easy2d
{
	namespace ui
	{
		class Button
			: public Sprite
		{
			using Callback = std::function<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* e);

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