Magic_Game/core/base/MouseEvent.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 "macros.h"
#include "BaseTypes.hpp"

namespace easy2d
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	class MouseEvent
	{
	public:
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
		enum class Type : int
		{
			MoveBy = 0x0200,		// <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>
			LeftDown,			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			LeftUp,				// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><CCA7>
			LeftDoubleClick,	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><CBAB>
			RightDown,			// <20><><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD><D2BC><EFBFBD><EFBFBD><EFBFBD>
			RightUp,			// <20><><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD>̧<EFBFBD><CCA7>
			RightDoubleClick,	// <20><><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD>˫<EFBFBD><CBAB>
			MiddleDown,			// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD>
			MiddleUp,			// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>̧<EFBFBD><CCA7>
			MiddleDoubleClick,	// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD>˫<EFBFBD><CBAB>
			Wheel				// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		};

	public:
		explicit MouseEvent(
			UINT message,
			WPARAM w_param,
			LPARAM l_param
		);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		float GetX() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		float GetY() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		Point GetPosition() const;

		// <20><>ȡ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD>
		MouseEvent::Type GetType() const;

		float GetWheelDelta() const;

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsLButtonDown() const;

		// <20><><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD><D2BC>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsRButtonDown() const;

		// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsMButtonDown() const;

		// Shift <20><><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsShiftDown() const;

		// Ctrl <20><><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsCtrlDown() const;

	protected:
		UINT	message_;
		WPARAM	w_param_;
		LPARAM	l_param_;
	};


	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
	class MouseEventHandler
	{
	public:
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		virtual void Handle(MouseEvent e) = 0;
	};
}