case KeyPress:
        {
            const int key = translateKey(keycode);
            const int mods = translateState(event->xkey.state);
            const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));

            if (window->x11.ic)
            {
                // HACK: Do not report the key press events duplicated by XIM
                //       Duplicate key releases are filtered out implicitly by
                //       the GLFW key repeat logic in _glfwInputKey
                //       A timestamp per key is used to handle simultaneous keys
                // NOTE: Always allow the first event for each key through
                //       (the server never sends a timestamp of zero)
                // NOTE: Timestamp difference is compared to handle wrap-around
                Time diff = event->xkey.time - window->x11.keyPressTimes[keycode];
                if (diff == event->xkey.time || (diff > 0 && diff < (1 << 31)))
                {
                    if (keycode)
                        _glfwInputKey(window, key, keycode, GLFW_PRESS, mods);

                    window->x11.keyPressTimes[keycode] = event->xkey.time;
                }