MSCLASS_TRACKBALL
case MSCLASS_TRACKBALL:
case MSCLASS_TRACKBALL:
sc->sc_class = MSCLASS_TRACKBALL;
case MSCLASS_TRACKBALL:
case MSCLASS_TRACKBALL:
sc->sc_class = MSCLASS_TRACKBALL;
case MSCLASS_TRACKBALL:
case MSCLASS_TRACKBALL:
sc->sc_class = MSCLASS_TRACKBALL;