518 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			518 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| #include "..\e2dbase.h"
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| #include "..\e2dmanager.h"
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| #include "..\e2dnode.h"
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| #include <imm.h>
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| #pragma comment (lib ,"imm32.lib")
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| 
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| #define WINDOW_STYLE	WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX & ~WS_THICKFRAME
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| #define REGISTER_CLASS	L"Easy2DApp"
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| 
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| 
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| e2d::Window::Window(const String & title, int width, int height, int iconID)
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| 	: _hWnd(nullptr)
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| 	, _width(width)
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| 	, _height(height)
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| 	, _title(title)
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| 	, _iconID(iconID)
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| 	, _dpi(0.f)
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| {
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| 	CoInitialize(nullptr);
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| 
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| 	// 获取系统 DPI
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| 	_dpi = static_cast<float>(::GetDpiForSystem());
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| 
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| 	WNDCLASSEX wcex = { 0 };
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| 	wcex.cbSize = sizeof(WNDCLASSEX);
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| 	wcex.lpszClassName = REGISTER_CLASS;
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| 	wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
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| 	wcex.lpfnWndProc = Window::WndProc;
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| 	wcex.hIcon = nullptr;
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| 	wcex.cbClsExtra = 0;
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| 	wcex.cbWndExtra = sizeof(LONG_PTR);
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| 	wcex.hInstance = HINST_THISCOMPONENT;
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| 	wcex.hbrBackground = nullptr;
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| 	wcex.lpszMenuName = nullptr;
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| 	wcex.hCursor = ::LoadCursor(nullptr, IDC_ARROW);
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| 
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| 	if (_iconID != 0)
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| 	{
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| 		wcex.hIcon = (HICON)::LoadImage(
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| 			HINST_THISCOMPONENT,
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| 			MAKEINTRESOURCE(_iconID),
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| 			IMAGE_ICON,
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| 			0,
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| 			0,
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| 			LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE
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| 		);
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| 	}
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| 
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| 	// 注册窗口类
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| 	RegisterClassEx(&wcex);
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| 
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| 	// 计算窗口大小
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| 	Rect clientRect = _locate(_width, _height);
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| 
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| 	// 创建窗口
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| 	_hWnd = ::CreateWindowEx(
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| 		NULL,
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| 		REGISTER_CLASS,
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| 		(LPCTSTR)_title,
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| 		WINDOW_STYLE,
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| 		int(clientRect.origin.x),
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| 		int(clientRect.origin.y),
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| 		int(clientRect.size.width),
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| 		int(clientRect.size.height),
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| 		nullptr,
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| 		nullptr,
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| 		HINST_THISCOMPONENT,
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| 		this
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| 	);
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| 
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| 	if (_hWnd)
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| 	{
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| 		// 禁用输入法
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| 		setTypewritingEnabled(false);
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| 		// 禁用控制台关闭按钮
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| 		HWND consoleHWnd = ::GetConsoleWindow();
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| 		if (consoleHWnd)
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| 		{
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| 			HMENU hmenu = ::GetSystemMenu(consoleHWnd, FALSE);
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| 			::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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| 		}
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| 	}
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| 	else
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| 	{
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| 		::UnregisterClass(REGISTER_CLASS, HINST_THISCOMPONENT);
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| 		throw SystemException("Create window failed");
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| 	}
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| }
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| 
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| e2d::Window::~Window()
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| {
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| 	// 关闭控制台
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| 	if (::GetConsoleWindow())
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| 		::FreeConsole();
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| 
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| 	// 关闭窗口
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| 	if (_hWnd)
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| 		::DestroyWindow(_hWnd);
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| 
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| 	CoUninitialize();
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| }
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| 
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| bool e2d::Window::createMutex(const String & mutex)
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| {
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| 	if (mutex.isEmpty())
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| 		return false;
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| 
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| 	HANDLE hMutex = ::CreateMutex(nullptr, TRUE, LPCWSTR(L"Easy2DApp-" + mutex));
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| 
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| 	if (hMutex == nullptr)
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| 	{
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| 		WARN("CreateMutex Failed!");
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| 		return false;
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| 	}
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| 	else if (::GetLastError() == ERROR_ALREADY_EXISTS)
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| 	{
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| 		// 关闭进程互斥体
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| 		::CloseHandle(hMutex);
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| 		// 打开游戏窗口
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| 		if (!this->_title.isEmpty())
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| 		{
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| 			// 获取窗口句柄
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| 			HWND hProgramWnd = ::FindWindow(REGISTER_CLASS, (LPCTSTR)_title);
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| 			if (hProgramWnd)
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| 			{
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| 				// 获取窗口显示状态
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| 				WINDOWPLACEMENT wpm;
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| 				::GetWindowPlacement(hProgramWnd, &wpm);
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| 				// 将运行的程序窗口还原成正常状态
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| 				wpm.showCmd = SW_SHOW;
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| 				::SetWindowPlacement(hProgramWnd, &wpm);
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| 				::SetWindowPos(hProgramWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
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| 			}
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| 		}
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| 		return false;
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| 	}
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| 	return true;
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| }
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| 
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| e2d::Rect e2d::Window::_locate(int width, int height)
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| {
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| 	Rect result;
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| 	RECT wRECT		= { 0, 0, LONG(ceil(width * _dpi / 96.f)), LONG(ceil(height * _dpi / 96.f)) };
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| 	int maxWidth	= ::GetSystemMetrics(SM_CXSCREEN);
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| 	int maxHeight	= ::GetSystemMetrics(SM_CYSCREEN);
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| 
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| 	// 计算合适的窗口大小
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| 	::AdjustWindowRectEx(&wRECT, WINDOW_STYLE, FALSE, NULL);
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| 	width = static_cast<int>(wRECT.right - wRECT.left);
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| 	height = static_cast<int>(wRECT.bottom - wRECT.top);
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| 
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| 	// 当输入的窗口大小比分辨率大时,给出警告
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| 	WARN_IF(maxWidth < width || maxHeight < height, "The window is larger than screen!");
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| 	width = std::min(width, maxWidth);
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| 	height = std::min(height, maxHeight);
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| 
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| 	float x = float((maxWidth - width) / 2), y = float((maxHeight - height) / 2);
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| 	return std::move(Rect(x, y, float(width), float(height)));
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| }
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| 
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| void e2d::Window::poll()
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| {
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| 	while (::PeekMessage(&_msg, nullptr, 0, 0, PM_REMOVE))
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| 	{
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| 		::TranslateMessage(&_msg);
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| 		::DispatchMessage(&_msg);
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| 	}
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| }
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| 
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| int e2d::Window::getWidth() const
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| {
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| 	return _width;
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| }
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| 
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| int e2d::Window::getHeight() const
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| {
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| 	return _height;
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| }
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| 
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| e2d::Size e2d::Window::getSize() const
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| {
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| 	return Size(float(_width), float(_height));
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| }
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| 
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| float e2d::Window::getDpi() const
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| {
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| 	return _dpi;
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| }
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| 
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| e2d::String e2d::Window::getTitle() const
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| {
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| 	return _title;
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| }
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| 
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| HWND e2d::Window::getHWnd() const
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| {
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| 	return _hWnd;
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| }
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| 
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| void e2d::Window::setSize(int width, int height)
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| {
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| 	if (_width == width && _height == height)
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| 		return;
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| 
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| 	_width = width;
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| 	_height = height;
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| 
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| 	if (_hWnd)
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| 	{
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| 		Rect wRect = _locate(width, height);
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| 		::MoveWindow(
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| 			_hWnd,
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| 			int(wRect.origin.x),
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| 			int(wRect.origin.y),
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| 			int(wRect.size.width),
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| 			int(wRect.size.height),
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| 			TRUE
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| 		);
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| 	}
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| }
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| 
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| void e2d::Window::setTitle(const String& title)
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| {
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| 	_title = title;
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| 	if (_hWnd)
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| 	{
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| 		::SetWindowText(_hWnd, (LPCWSTR)title);
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| 	}
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| }
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| 
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| void e2d::Window::setIcon(int iconID)
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| {
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| 	this->_iconID = iconID;
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| 	if (_hWnd)
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| 	{
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| 		HICON hIcon = (HICON)::LoadImage(HINST_THISCOMPONENT, MAKEINTRESOURCE(iconID), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
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| 		// 设置窗口的图标
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| 		::SendMessage(_hWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
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| 		::SendMessage(_hWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
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| 	}
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| }
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| 
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| void e2d::Window::setCursor(Cursor cursor)
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| {
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| 	LPCWSTR pCursorName = nullptr;
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| 	switch (cursor)
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| 	{
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| 	case Cursor::Normal:
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| 		pCursorName = IDC_ARROW;
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| 		break;
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| 
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| 	case Cursor::Hand:
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| 		pCursorName = IDC_HAND;
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| 		break;
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| 
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| 	case Cursor::No:
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| 		pCursorName = IDC_NO;
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| 		break;
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| 
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| 	case Cursor::Wait:
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| 		pCursorName = IDC_WAIT;
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| 		break;
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| 
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| 	case Cursor::ArrowWait:
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| 		pCursorName = IDC_APPSTARTING;
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| 		break;
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| 
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| 	default:
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| 		break;
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| 	}
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| 
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| 	HCURSOR hCursor = ::LoadCursor(nullptr, pCursorName);
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| 	::SetCursor(hCursor);
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| }
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| 
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| void e2d::Window::setConsoleEnabled(bool enabled)
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| {
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| 	// 查找已存在的控制台句柄
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| 	HWND hwnd = ::GetConsoleWindow();
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| 	// 关闭控制台
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| 	if (enabled)
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| 	{
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| 		if (hwnd)
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| 		{
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| 			::ShowWindow(hwnd, SW_SHOWNORMAL);
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| 		}
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| 		else
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| 		{
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| 			// 显示一个新控制台
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| 			if (::AllocConsole())
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| 			{
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| 				hwnd = ::GetConsoleWindow();
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| 				// 重定向输入输出
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| 				FILE * stdoutStream, * stdinStream, * stderrStream;
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| 				freopen_s(&stdoutStream, "conout$", "w+t", stdout);
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| 				freopen_s(&stdinStream, "conin$", "r+t", stdin);
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| 				freopen_s(&stderrStream, "conout$", "w+t", stderr);
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| 				// 禁用控制台关闭按钮
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| 				HMENU hmenu = ::GetSystemMenu(hwnd, FALSE);
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| 				::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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| 			}
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| 		}
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| 	}
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| 	else 
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| 	{
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| 		if (hwnd)
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| 		{
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| 			::ShowWindow(hwnd, SW_HIDE);
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| 		}
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| 	}
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| }
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| 
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| void e2d::Window::setTypewritingEnabled(bool enabled)
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| {
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| 	static HIMC hImc = nullptr;
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| 
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| 	if (enabled)
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| 	{
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| 		if (hImc != nullptr)
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| 		{
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| 			::ImmAssociateContext(_hWnd, hImc);
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| 			hImc = nullptr;
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| 		}
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| 	}
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| 	else
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| 	{
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| 		if (hImc == nullptr)
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| 		{
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| 			hImc = ::ImmAssociateContext(_hWnd, nullptr);
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| 		}
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| 	}
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| }
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| 
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| bool e2d::Window::popup(const String & text, const String & title, Popup style, bool hasCancel)
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| {
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| 	UINT type = 0;
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| 	switch (style)
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| 	{
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| 	case e2d::Window::Popup::Information:
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| 		type = MB_ICONINFORMATION;
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| 		break;
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| 	case e2d::Window::Popup::Warning:
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| 		type = MB_ICONWARNING;
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| 		break;
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| 	case e2d::Window::Popup::Error:
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| 		type = MB_ICONERROR;
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| 		break;
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| 	default:
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| 		break;
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| 	}
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| 
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| 	if (hasCancel)
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| 	{
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| 		type |= MB_OKCANCEL;
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| 	}
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| 
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| 	Game::getInstance()->pause();
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| 	int ret = ::MessageBox(_hWnd, (LPCWSTR)text, (LPCWSTR)title, type);
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| 	Game::getInstance()->resume();
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| 	return ret == IDOK;
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| }
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| 
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| 
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| LRESULT e2d::Window::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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| {
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| 	LRESULT result = 0;
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| 
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| 	if (uMsg == WM_CREATE)
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| 	{
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| 		LPCREATESTRUCT pcs = (LPCREATESTRUCT)lParam;
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| 		Window *window = (Window *)pcs->lpCreateParams;
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| 
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| 		::SetWindowLongPtrW(
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| 			hWnd,
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| 			GWLP_USERDATA,
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| 			PtrToUlong(window)
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| 		);
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| 
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| 		result = 1;
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| 	}
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| 	else
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| 	{
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| 		bool hasHandled = false;
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| 		Window *window = reinterpret_cast<Window *>(
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| 			static_cast<LONG_PTR>(
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| 				::GetWindowLongPtrW(hWnd, GWLP_USERDATA)
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| 			)
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| 		);
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| 
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| 		switch (uMsg)
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| 		{
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| 
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| 		// 处理鼠标消息
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| 		case WM_LBUTTONUP:
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| 		case WM_LBUTTONDOWN:
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| 		case WM_LBUTTONDBLCLK:
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| 		case WM_MBUTTONUP:
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| 		case WM_MBUTTONDOWN:
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| 		case WM_MBUTTONDBLCLK:
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| 		case WM_RBUTTONUP:
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| 		case WM_RBUTTONDOWN:
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| 		case WM_RBUTTONDBLCLK:
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| 		case WM_MOUSEMOVE:
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| 		case WM_MOUSEWHEEL:
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| 		{
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| 			auto game = Game::getInstance();
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| 			if (game->isTransitioning())
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| 				break;
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| 
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| 			if (game->getCurrentScene())
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| 			{
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| 				game->getCurrentScene()->dispatch(MouseEvent(hWnd, uMsg, wParam, lParam, window->_dpi), false);
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| 			}
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| 		}
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| 		result = 0;
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| 		hasHandled = true;
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| 		break;
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| 
 | |
| 		// 处理按键消息
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| 		case WM_KEYDOWN:
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| 		case WM_KEYUP:
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| 		{
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| 			auto game = Game::getInstance();
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| 			if (game->isTransitioning())
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| 				break;
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| 
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| 			if (game->getCurrentScene())
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| 			{
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| 				game->getCurrentScene()->dispatch(KeyEvent(hWnd, uMsg, wParam, lParam), false);
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| 			}
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| 		}
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| 		result = 0;
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| 		hasHandled = true;
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| 		break;
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| 
 | |
| 		// 处理窗口大小变化消息
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| 		case WM_SIZE:
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| 		{
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| 			UINT width = LOWORD(lParam);
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| 			UINT height = HIWORD(lParam);
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| 
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| 			if (wParam == SIZE_RESTORED)
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| 			{
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| 				window->_width = static_cast<int>(width * 96.f / window->_dpi);
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| 				window->_height = static_cast<int>(height * 96.f / window->_dpi);
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| 			}
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| 
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| 			// 如果程序接收到一个 WM_SIZE 消息,这个方法将调整渲染
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| 			// 目标适当。它可能会调用失败,但是这里可以忽略有可能的
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| 			// 错误,因为这个错误将在下一次调用 EndDraw 时产生
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| 			auto renderer = Game::getInstance()->getRenderer();
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| 			auto pRT = renderer->getRenderTarget();
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| 			if (pRT)
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| 			{
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| 				pRT->Resize(D2D1::SizeU(width, height));
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| 			}
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| 		}
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| 		break;
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| 
 | |
| 		// 处理窗口标题变化消息
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| 		case WM_SETTEXT:
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| 		{
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| 			window->_title = (const wchar_t*)lParam;
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 		// 处理分辨率变化消息
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| 		case WM_DISPLAYCHANGE:
 | |
| 		{
 | |
| 			// 重绘客户区
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| 			InvalidateRect(hWnd, nullptr, FALSE);
 | |
| 		}
 | |
| 		result = 0;
 | |
| 		hasHandled = true;
 | |
| 		break;
 | |
| 
 | |
| 		// 重绘窗口
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| 		case WM_PAINT:
 | |
| 		{
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| 			Game::getInstance()->drawScene();
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| 			ValidateRect(hWnd, nullptr);
 | |
| 		}
 | |
| 		result = 0;
 | |
| 		hasHandled = true;
 | |
| 		break;
 | |
| 
 | |
| 		// 窗口关闭消息
 | |
| 		case WM_CLOSE:
 | |
| 		{
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| 			auto game = Game::getInstance();
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| 			auto currScene = game->getCurrentScene();
 | |
| 			if (!currScene || currScene->onCloseWindow())
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| 			{
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| 				game->quit();
 | |
| 			}
 | |
| 		}
 | |
| 		result = 0;
 | |
| 		hasHandled = true;
 | |
| 		break;
 | |
| 
 | |
| 		// 窗口销毁消息
 | |
| 		case WM_DESTROY:
 | |
| 		{
 | |
| 			PostQuitMessage(0);
 | |
| 		}
 | |
| 		result = 1;
 | |
| 		hasHandled = true;
 | |
| 		break;
 | |
| 
 | |
| 		}
 | |
| 
 | |
| 		if (!hasHandled)
 | |
| 		{
 | |
| 			result = DefWindowProc(hWnd, uMsg, wParam, lParam);
 | |
| 		}
 | |
| 	}
 | |
| 	return result;
 | |
| } |