XCEngine/MVS/Music fluctuations/source/window/Window.cpp

#include"Window.h"
//app<70><70><EFBFBD><EFBFBD>
Window* Window::currentWindow = nullptr;

Window::Window(Input& p_input):m_input(p_input) 
{
	//ShowCursor(false);
}
Window::~Window() {}


//<2F><>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǿ<EFBFBD>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
LRESULT CALLBACK Wndproc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	Window::currentWindow->handleMessage(hWnd, message, wParam, lParam);
	return(DefWindowProc(hWnd, message, wParam, lParam));
}


bool Window::initWindow(HINSTANCE hInstance, const uint32_t& width, const uint32_t& height) {
	currentWindow = this;
	mWidth = width;
	mHeight = height;

	//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2>
	registerWindowClass(hInstance);

	//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>壬<EFBFBD><E5A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	if (!createWindow(hInstance)) {
		return false;
	}

	//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	/*
	* DC<EFBFBD><EFBFBD>Device Context <EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	* ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>䣬<EFBFBD><EFBFBD>mhDC
	* <EFBFBD><EFBFBD><EFBFBD>ﴴ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>뱾<EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD><EFBFBD>ݵ<EFBFBD>DC<EFBFBD><EFBFBD>mCanvasDC
	* <EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>mCanvasDC<EFBFBD><EFBFBD>mhDC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	*/
	mhDC = GetDC(mHwnd);
	mCanvasDC = CreateCompatibleDC(mhDC);

	BITMAPINFO  bmpInfo{};
	bmpInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
	bmpInfo.bmiHeader.biWidth = mWidth;
	bmpInfo.bmiHeader.biHeight = mHeight;
	bmpInfo.bmiHeader.biPlanes = 1;
	bmpInfo.bmiHeader.biBitCount = 32;
	bmpInfo.bmiHeader.biCompression = BI_RGB; //ʵ<><CAB5><EFBFBD>ϴ洢<CFB4><E6B4A2>ʽΪbgra

	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mhMem<65><6D><EFBFBD>ݵ<EFBFBD>λͼ,<2C><>ʵʵ<CAB5><CAB5>mhMemָ<6D><D6B8><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD>ϻ<EFBFBD><CFBB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ڴ棬<DAB4><E6A3AC>mCanvasBufferָ<72><D6B8><EFBFBD><EFBFBD>
	mhBmp = CreateDIBSection(mCanvasDC, &bmpInfo, DIB_RGB_COLORS, (void**)&mCanvasBuffer, 0, 0);//<2F><><EFBFBD><EFBFBD><EFBFBD>ﴴ<EFBFBD><EFB4B4>buffer<65><72><EFBFBD>ڴ<EFBFBD>

	//һ<><D2BB><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λͼ<CEBB><CDBC><EFBFBD><EFBFBD><EFBFBD>豸ʹ<E8B1B8><CAB9>mhBmp<6D><70>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>λͼ<CEBB><CDBC><EFBFBD><EFBFBD>mCanvasDC<44><43><EFBFBD>ڴ濽<DAB4><E6BFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD><EFBFBD>mhBmp<6D><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	SelectObject(mCanvasDC, mhBmp);

	memset(mCanvasBuffer, 0, mWidth * mHeight * 4); //<2F><><EFBFBD><EFBFBD>bufferΪ0

	return true;
}

ATOM Window::registerWindowClass(HINSTANCE hInstance)
{
	WNDCLASSEXW wndClass;

	wndClass.cbSize = sizeof(WNDCLASSEX);
	wndClass.style = CS_HREDRAW | CS_VREDRAW;	//ˮƽ/<2F><>ֱ<EFBFBD><D6B1>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>仯<EFBFBD>ػ洰<D8BB><E6B4B0>
	wndClass.lpfnWndProc = Wndproc;
	wndClass.cbClsExtra = 0;
	wndClass.cbWndExtra = 0;
	wndClass.hInstance = hInstance;		//Ӧ<>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	wndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);//Ӧ<>ó<EFBFBD><C3B3><EFBFBD>ͼ<EFBFBD><CDBC>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>ͼ<EFBFBD><CDBC>
	wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);//<2F><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>
	wndClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);//<2F><><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD>ɫ
	wndClass.lpszMenuName = NULL;
	wndClass.lpszClassName = mWindowClassName;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	wndClass.hIconSm = LoadIcon(NULL, IDI_WINLOGO);//<2F><><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD>ͼ<EFBFBD><CDBC>

	return RegisterClassExW(&wndClass);
}

BOOL Window::createWindow(HINSTANCE hInstance)
{
	mWindowInst = hInstance;

	/*
	* WS_POPUP:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>߿<EFBFBD>
	* WS_OVERLAPPEDWINDOW<EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б߿<EFBFBD>
	*
	* WS_CLIPSIBLINGS:<EFBFBD><EFBFBD><EFBFBD>ֵܴ<EFBFBD><EFBFBD>ڵ<EFBFBD>ס<EFBFBD><EFBFBD><EFBFBD>򲻻<EFBFBD><EFBFBD><EFBFBD>
	* WS_CLIPCHILDREN:<EFBFBD><EFBFBD><EFBFBD>Ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ס<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򲻻<EFBFBD><EFBFBD><EFBFBD>
	*/

	auto dwExStyle = WS_EX_APPWINDOW;
	auto dwStyle = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;

	//<2F><><EFBFBD>ڴ<EFBFBD><DAB4>ڱ<EFBFBD><DAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>С,<2C><><EFBFBD><EFBFBD>PopUp<55>Ĵ<EFBFBD><C4B4>壬<EFBFBD><E5A3AC>û<EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򲻻<EFBFBD><F2B2BBBB>ı<EFBFBD>
	RECT windowRect;
	windowRect.left = 0L;
	windowRect.top = 0L;
	windowRect.right = (long)mWidth;
	windowRect.bottom = (long)mHeight;
	AdjustWindowRectEx(&windowRect, dwStyle, FALSE, dwExStyle);

	mHwnd = CreateWindowW(
		mWindowClassName,
		(LPCWSTR)"doom",	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		dwStyle,
		400,//xλ<78>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD>
		200,//yλ<79>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD>
		windowRect.right - windowRect.left,
		windowRect.bottom - windowRect.top,
		nullptr,//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		nullptr,//<2F>˵<EFBFBD><CBB5><EFBFBD>
		hInstance,//<2F><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>
		nullptr);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>


	if (!mHwnd)
	{
		return FALSE;
	}

	ShowWindow(mHwnd, true);
	UpdateWindow(mHwnd);

	return TRUE;
}

void Window::peekMessage() {
	MSG msg;
	if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
}

void Window::handleMessage(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
	switch (message)
	{
		case WM_CLOSE: 
		{
			DestroyWindow(hWnd);//<2F>˴<EFBFBD><CBB4><EFBFBD><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD>,<2C><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>WM_DESTROY
			break;
		}
		case WM_PAINT:
		{
			PAINTSTRUCT ps;
			HDC hdc = BeginPaint(hWnd, &ps);
			EndPaint(hWnd, &ps);
			break;
		}
		case WM_DESTROY: 
		{
			PostQuitMessage(0);//<2F><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><DFB3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
			mAlive = false;
			break;
		}
		/*case WM_SIZING:
		{
			int newWidth = LOWORD(lParam);
			int newHeight = HIWORD(lParam);
			std::cout<<newWidth<<"  "<<newHeight<<std::endl;
		}*/
		default:
		{
			m_input.HandelInput(hWnd, message, wParam, lParam);
			break;
		}
	}
}

void Window::swapBuffer() {
	BitBlt(mhDC, 0, 0, mWidth, mHeight, mCanvasDC, 0, 0, SRCCOPY);
}