// 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.h"

namespace easy2d
{
	namespace input
	{
		// 输入设备
		class InputDevice
		{
		public:
			InputDevice();

			~InputDevice();

			// 检测键盘某按键是否正被按下
			bool IsDown(
				KeyCode code
			);

			// 检测鼠标按键是否正被按下
			bool IsDown(
				MouseCode code
			);

			// 获得鼠标X轴坐标值
			float GetMouseX();

			// 获得鼠标Y轴坐标值
			float GetMouseY();

			// 获得鼠标坐标值
			Point GetMousePos();

			// 刷新设备状态
			void Update(
				HWND hwnd,
				float xscale,
				float yscale
			);

		protected:
			BYTE keys_[256];
			Point mouse_pos_;
		};

		extern InputDevice instance;
	}
}