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Hello Window using Zig lang
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| pub const UNICODE = true; | |
| const win32 = @import("win32").everything; | |
| const L = win32.L; | |
| const HWND = win32.HWND; | |
| pub export fn wWinMain( | |
| hInstance: win32.HINSTANCE, | |
| _: ?win32.HINSTANCE, | |
| pCmdLine: [*:0]u16, | |
| nCmdShow: u32, | |
| ) callconv(.winapi) c_int { | |
| _ = pCmdLine; | |
| _ = nCmdShow; | |
| const CLASS_NAME = L("Sample Window Class"); | |
| const wc = win32.WNDCLASSW{ | |
| .style = .{}, | |
| .lpfnWndProc = WindowProc, | |
| .cbClsExtra = 0, | |
| .cbWndExtra = 0, | |
| .hInstance = hInstance, | |
| .hIcon = null, | |
| .hCursor = win32.LoadCursorW(null, win32.IDC_ARROW), | |
| .hbrBackground = @ptrFromInt(@intFromEnum(win32.COLOR_WINDOW) + 1), | |
| .lpszMenuName = L("Some Menu Name"), | |
| .lpszClassName = CLASS_NAME, | |
| }; | |
| if (0 == win32.RegisterClassW(&wc)) | |
| win32.panicWin32("RegisterClass", win32.GetLastError()); | |
| const hwnd = win32.CreateWindowExW( | |
| .{}, | |
| CLASS_NAME, | |
| L("Hello Windows"), | |
| win32.WS_OVERLAPPEDWINDOW, | |
| win32.CW_USEDEFAULT, | |
| win32.CW_USEDEFAULT, // Position | |
| 400, | |
| 200, // Size | |
| null, // Parent window | |
| null, // Menu | |
| hInstance, // Instance handle | |
| null, // Additional application data | |
| ) orelse win32.panicWin32("CreateWindow", win32.GetLastError()); | |
| _ = win32.ShowWindow(hwnd, .{ .SHOWNORMAL = 1 }); | |
| var msg: win32.MSG = undefined; | |
| while (win32.GetMessageW(&msg, null, 0, 0) != 0) { | |
| _ = win32.TranslateMessage(&msg); | |
| _ = win32.DispatchMessageW(&msg); | |
| } | |
| return @intCast(msg.wParam); | |
| } | |
| fn WindowProc( | |
| hwnd: HWND, | |
| uMsg: u32, | |
| wParam: win32.WPARAM, | |
| lParam: win32.LPARAM, | |
| ) callconv(.winapi) win32.LRESULT { | |
| switch (uMsg) { | |
| win32.WM_DESTROY => { | |
| win32.PostQuitMessage(0); | |
| return 0; | |
| }, | |
| else => {}, | |
| } | |
| return win32.DefWindowProcW(hwnd, uMsg, wParam, lParam); | |
| } | |
| pub export fn WinMain( | |
| hInstance: win32.HINSTANCE, | |
| hPrevInstance: ?win32.HINSTANCE, | |
| pCmdLine: [*:0]u8, | |
| nShowCmd: u32, | |
| ) callconv(.winapi) c_int { | |
| _ = pCmdLine; | |
| return wWinMain( | |
| hInstance, | |
| hPrevInstance, | |
| win32.GetCommandLineW().?, | |
| nShowCmd, | |
| ); | |
| } |
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