Function WndProc

cube/cube.cpp:4016–4062

MS-Windows event handling function:

// MS-Windows event handling function:
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    switch (uMsg) {
        case WM_CLOSE:
            PostQuitMessage(validation_error);
            break;
        case WM_PAINT:
            if (!demo.in_callback) {
                demo.run<WsiPlatform::win32>();
            }
            break;
        case WM_GETMINMAXINFO:  // set window's minimum size
            ((MINMAXINFO *)lParam)->ptMinTrackSize = demo.minsize;
            return 0;
        case WM_ERASEBKGND:
            return 1;
        case WM_SIZE:
            // Resize the application to the new window size, except when
            // it was minimized. Vulkan doesn't support images or swapchains
            // with width=0 and height=0.
            if (wParam != SIZE_MINIMIZED) {
                demo.width = lParam & 0xffff;
                demo.height = (lParam & 0xffff0000) >> 16;
                demo.resize();
            }
            break;
        case WM_KEYDOWN:
            switch (wParam) {
                case VK_ESCAPE:
                    PostQuitMessage(validation_error);
                    break;
                case VK_LEFT:
                    demo.spin_angle -= demo.spin_increment;
                    break;
                case VK_RIGHT:
                    demo.spin_angle += demo.spin_increment;
                    break;
                case VK_SPACE:
                    demo.pause = !demo.pause;
                    break;
            }
            return 0;
        default:
            break;
    }

    return (DefWindowProc(hWnd, uMsg, wParam, lParam));
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine, int nCmdShow) {
    // TODO: Gah.. refactor. This isn't 1989.