Magic_Game/core/e2devent.h

#pragma once
#include "e2dutil.h"

namespace e2d
{


	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	class KeyEvent
	{
	public:
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
		enum class Type : int
		{
			Down = 0x0100,	// <20><><EFBFBD><EFBFBD>
			Up				// ̧<><CCA7>
		};

	public:
		explicit KeyEvent(
			HWND hWnd,
			UINT message,
			WPARAM w_param,
			LPARAM l_param
		);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
		KeyCode GetCode() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		int GetCount() const;

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

		// VK <20><>ֵת<D6B5><D7AA>
		static KeyCode ToKeyCode(
			WPARAM w_param
		);

	protected:
		int				count_;
		KeyCode			code_;
		KeyEvent::Type	type_;
	};


	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	class MouseEvent
	{
	public:
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>
		enum class Type : int
		{
			Move = 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(
			HWND hWnd,
			UINT message,
			WPARAM w_param,
			LPARAM l_param,
			float dpi
		);

		// <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 GetPos() 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_;
		Point	pos_;
		MouseEvent::Type type_;
	};


	// <20>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>
	class EventTarget
	{
	public:
		// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		virtual bool Dispatch(
			const MouseEvent& e,
			bool handled
		) = 0;

		// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		virtual bool Dispatch(
			const KeyEvent& e,
			bool handled
		) = 0;
	};

}