Function demo_create_window

cube/cube.c:2781–2828

}

static void demo_create_window(struct demo *demo) {
    WNDCLASSEX win_class;

    // Initialize the window class structure:
    win_class.cbSize = sizeof(WNDCLASSEX);
    win_class.style = CS_HREDRAW | CS_VREDRAW;
    win_class.lpfnWndProc = WndProc;
    win_class.cbClsExtra = 0;
    win_class.cbWndExtra = 0;
    win_class.hInstance = demo->connection;  // hInstance
    win_class.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    win_class.hCursor = LoadCursor(NULL, IDC_ARROW);
    win_class.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    win_class.lpszMenuName = NULL;
    win_class.lpszClassName = demo->name;
    win_class.hIconSm = LoadIcon(NULL, IDI_WINLOGO);
    // Register window class:
    if (!RegisterClassEx(&win_class)) {
        // It didn't work, so try to give a useful error:
        printf("Unexpected error trying to start the application!\n");
        fflush(stdout);
        exit(1);
    }
    // Create window with the registered class:
    RECT wr = {0, 0, demo->width, demo->height};
    AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
    demo->window = CreateWindowEx(0,
                                  demo->name,            // class name
                                  demo->name,            // app name
                                  WS_OVERLAPPEDWINDOW |  // window style
                                      WS_VISIBLE | WS_SYSMENU,
                                  100, 100,            // x/y coords
                                  wr.right - wr.left,  // width
                                  wr.bottom - wr.top,  // height
                                  NULL,                // handle to parent
                                  NULL,                // handle to menu
                                  demo->connection,    // hInstance
                                  NULL);               // no extra parameters
    if (!demo->window) {
        // It didn't work, so try to give a useful error:
        printf("Cannot create a window in which to draw!\n");
        fflush(stdout);
        exit(1);
    }
    // Window client area size must be at least 1 pixel high, to prevent crash.
    demo->minsize.x = GetSystemMetrics(SM_CXMINTRACK);
    demo->minsize.y = GetSystemMetrics(SM_CYMINTRACK) + 1;
}
#endif
#if defined(VK_USE_PLATFORM_XLIB_KHR)
static void demo_create_xlib_window(struct demo *demo) {