更新Windows平台创建窗口代码

example/Vulkan/WinWindow.cpp

@@ -1,4 +1,5 @@
 #include"Window.h"
+#include<Windows.h>
 #include<vulkan/vk_sdk_platform.h>
 #include<vulkan/vulkan.h>
 #include<vulkan/vulkan_win32.h>
@@ -7,17 +8,120 @@ namespace hgl
 {
 	namespace graph
 	{
+		namespace
+		{
+			constexpr wchar_t WIN_CLASS_NAME[] = L"CMGameEngine/ULRE Window Class";
+
+			LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 
+			{
+				Window *win=(Window *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
+
+				switch (uMsg) 
+				{
+					case WM_CLOSE:
+						PostQuitMessage(0);
+						break;
+					default:
+						break;
+				}
+
+				return (DefWindowProcW(hWnd, uMsg, wParam, lParam));
+			}
+		}
+
 		/**
 		 * Windows平台窗口实现
 		 */
 		class WinWindow :public Window
 		{
+			HWND win_hwnd=nullptr;
+			HDC win_dc = nullptr;
+
+		protected:
+
+			bool Registry()
+			{
+				WNDCLASSEXW win_class;
+
+				hgl_zero(win_class);
+
+				win_class.cbSize = sizeof(WNDCLASSEXW);
+				win_class.style = CS_HREDRAW | CS_VREDRAW;
+				win_class.lpfnWndProc = WndProc;
+				win_class.cbClsExtra = 0;
+				win_class.cbWndExtra = 0;
+				win_class.hInstance = GetModuleHandle(nullptr);
+				win_class.hIcon = LoadIcon(nullptr, IDI_APPLICATION);
+				win_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+				win_class.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
+				win_class.lpszMenuName = nullptr;
+				win_class.lpszClassName = WIN_CLASS_NAME;
+				win_class.hIconSm = LoadIcon(nullptr, IDI_WINLOGO);
+
+				return RegisterClassExW(&win_class);
+			}
+
+			bool Create()
+			{
+				constexpr DWORD win_style = WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_SYSMENU ;
+
+				int win_left, win_top;
+				int win_width, win_height;
+
+				{
+					RECT win_rect;
+
+					win_rect.left = 0;
+					win_rect.right = width;
+					win_rect.top = 0;
+					win_rect.bottom = height;
+
+					AdjustWindowRectEx(&win_rect, win_style, false, 0); //计算窗口坐标
+
+					win_width = win_rect.right - win_rect.left;
+					win_height = win_rect.bottom - win_rect.top;
+				}
+
+				if (width && height)
+				{
+					win_left = (GetSystemMetrics(SM_CXSCREEN) - win_width) / 2;
+					win_top = (GetSystemMetrics(SM_CYSCREEN) - win_height) / 2;
+				}
+				else
+				{
+					win_left = CW_USEDEFAULT;
+					win_top = CW_USEDEFAULT;
+				}
+
+				win_hwnd = CreateWindowExW(0,
+					WIN_CLASS_NAME,             // class name
+					win_name.c_str(),           // app name
+					win_style,					// window style
+					win_left,win_top,			// x/y coords
+					win_width,					// width
+					win_height,					// height
+					nullptr,					// handle to parent
+					nullptr,					// handle to menu
+					GetModuleHandleW(nullptr),  // hInstance
+					nullptr);					// no extra parameters
+
+				if (!win_hwnd)
+				{
+					UnregisterClassW(WIN_CLASS_NAME, GetModuleHandleW(nullptr));
+					return(false);
+				}
+
+				win_dc = GetDC(win_hwnd);
+				SetWindowLongPtrW(win_hwnd, GWLP_USERDATA, (LONG_PTR)this);
+				return(true);
+			}
+
 		public:
 
 			using Window::Window;
 			~WinWindow()
 			{
-
+				Close();
 			}
 
 			const char* GetVulkanSurfaceExtname()const
@@ -27,15 +131,44 @@ namespace hgl
 
 			bool Create(uint w, uint h) override
 			{
+				width = w;
+				height = h;
+
+				if (!Registry())
+					return(false);
+
+				return Create();
+			}
+
+			bool Create(uint, uint, uint)override 
+			{
+				return(false);
 			}
 
-			bool Create(uint, uint, uint)override {}
 			void Close()override
 			{
+				ReleaseDC(win_hwnd, win_dc);
+				DestroyWindow(win_hwnd);
+				UnregisterClassW(WIN_CLASS_NAME, GetModuleHandleW(nullptr));
+
+				win_dc = nullptr;
+				win_hwnd = nullptr;
 			}
 
-			void Show()override {}
-			void Hide()override {}
+			void Show()override 
+			{
+				ShowWindow(win_hwnd, SW_SHOW);
+				SetForegroundWindow(win_hwnd);
+				SetFocus(win_hwnd);
+
+				UpdateWindow(win_hwnd);
+			}
+
+			void Hide()override 
+			{
+				ShowWindow(win_hwnd, SW_HIDE);
+				UpdateWindow(win_hwnd);
+			}
 		};//class WinWindow :public Window
 
 		Window* CreateRenderWindow(const WideString& win_name)