Function WndProc

Apps/ValidationTests/Win32/App.cpp:237–285

FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM) PURPOSE: Processes messages for the main window. WM_COMMAND - process the application menu WM_PAINT - Paint the main window WM_DESTROY - post a quit message and return

//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        case WM_SYSCOMMAND:
        {
            if ((wParam & 0xFFF0) == SC_MINIMIZE)
            {
                runtime->Suspend();
            }
            else if ((wParam & 0xFFF0) == SC_RESTORE)
            {
                runtime->Resume();
            }
            DefWindowProc(hWnd, message, wParam, lParam);
            break;
        }
        case WM_PAINT:
        {
            PAINTSTRUCT ps;
            BeginPaint(hWnd, &ps);
            EndPaint(hWnd, &ps);
            break;
        }
        case WM_SIZE:
        {
            if (runtime != nullptr) {
                size_t width = static_cast<size_t>(LOWORD(lParam));
                size_t height = static_cast<size_t>(HIWORD(lParam));
                runtime->Dispatch([width, height](Napi::Env env) {
                    Babylon::Plugins::NativeWindow::UpdateSize(env, width, height);
                });
            }
            break;
        }
        case WM_DESTROY:
        {
            short exitCode = LOWORD(wParam);
            Uninitialize();
            PostQuitMessage(exitCode);
            break;
        }
        default:
        {
            return DefWindowProc(hWnd, message, wParam, lParam);
        }
    }
    return 0;
}