Magic_Game/src/kiwano/platform/Window.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 <kiwano/macros.h>
#include <kiwano/math/math.h>
#include <kiwano/core/common.h>
#include <kiwano/core/event/Event.h>

namespace kiwano
{
	/**
	* \~chinese
	* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	*/
	enum class CursorType
	{
		Arrow,		///< ָ<><D6B8>
		TextInput,	///< <20>ı<EFBFBD>
		Hand,		///< <20><>
		SizeAll,	///< ָ<><D6B8><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ
		SizeWE,		///< ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>ҷ<EFBFBD><D2B7><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ
		SizeNS,		///< ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ
		SizeNESW,	///< ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ
		SizeNWSE,	///< ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ
	};

	/**
	* \~chinese
	* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	*/
	struct WindowConfig
	{
		String		title;			///< <20><><EFBFBD><EFBFBD>
		uint32_t	width;			///< <20><><EFBFBD><EFBFBD>
		uint32_t	height;			///< <20>߶<EFBFBD>
		uint32_t	icon;			///< ͼ<><CDBC><EFBFBD><EFBFBD>Դ ID
		bool		resizable;		///< <20><><EFBFBD>ڴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		bool		fullscreen;		///< ȫ<><C8AB>ģʽ

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param title <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param width <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param height <EFBFBD>߶<EFBFBD>
		* @param icon ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԴID
		* @param resizable <EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param fullscreen ȫ<EFBFBD><EFBFBD>ģʽ
		*/
		WindowConfig(
			String const&	title = L"Kiwano Game",
			uint32_t		width = 640,
			uint32_t		height = 480,
			uint32_t		icon = 0,
			bool			resizable = false,
			bool			fullscreen = false
		);
	};

#if defined(KGE_WIN32)
	typedef HWND WindowHandle;
#endif

	/**
	* \~chinese
	* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD>ƴ<EFBFBD><EFBFBD>ڱ<EFBFBD><EFBFBD>⡢<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	*/
	class KGE_API Window
		: protected Noncopyable
	{
	public:
		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>
		*/
		static Window& Instance();

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param config <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		*/
		virtual bool Create(WindowConfig const& config) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD><EFBFBD><EFBFBD>
		* @return <EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD><EFBFBD><EFBFBD>
		*/
		String GetTitle() const;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>С
		* @return <EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>С
		*/
		Size GetSize() const;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><EFBFBD><EFBFBD>
		* @return <EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><EFBFBD><EFBFBD>
		*/
		uint32_t GetWidth() const;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڸ߶<EFBFBD>
		* @return <EFBFBD><EFBFBD><EFBFBD>ڸ߶<EFBFBD>
		*/
		uint32_t GetHeight() const;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ھ<EFBFBD><EFBFBD><EFBFBD>
		*/
		virtual WindowHandle GetHandle() const = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD>
		* @param title <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		*/
		virtual void SetTitle(String const& title) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>
		* @param icon_resource ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԴID
		*/
		virtual void SetIcon(uint32_t icon_resource) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD>贰<EFBFBD>ڴ<EFBFBD>С
		* @param width <EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><EFBFBD><EFBFBD>
		* @param height <EFBFBD><EFBFBD><EFBFBD>ڸ߶<EFBFBD>
		*/
		virtual void Resize(uint32_t width, uint32_t height) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD>ģʽ
		* @param fullscreen <EFBFBD>Ƿ<EFBFBD>ȫ<EFBFBD><EFBFBD>
		* @param width <EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><EFBFBD><EFBFBD>
		* @param height <EFBFBD><EFBFBD><EFBFBD>ڸ߶<EFBFBD>
		*/
		virtual void SetFullscreen(bool fullscreen) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		* @param cursor <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		*/
		virtual void SetCursor(CursorType cursor) = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
		* @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĵ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>򷵻ؿ<EFBFBD>ָ<EFBFBD><EFBFBD>
		*/
		EventPtr PollEvent();

		/**
		* \~chinese
		* @brief <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ر<EFBFBD>
		*/
		virtual bool ShouldClose() = 0;

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD><EFBFBD><EFBFBD>
		*/
		virtual void Destroy();

	protected:
		Window();

		~Window();

		void PushEvent(EventPtr evt);

		void SetInternalSize(uint32_t width, uint32_t height);

		void SetInternalTitle(String const& title);

		virtual void PumpEvents() = 0;

	private:
		bool					should_close_;
		uint32_t				width_;
		uint32_t				height_;
		String					title_;
		std::queue<EventPtr>	event_queue_;
	};

	inline void Window::SetInternalSize(uint32_t width, uint32_t height)
	{
		width_ = width;
		height_ = height;
	}

	inline void Window::SetInternalTitle(String const& title)
	{
		title_ = title;
	}

}