WSMOUSECFG_RIGHT_EDGE
set_percent(field, WSMOUSECFG_RIGHT_EDGE,f2);
get_percent(field, WSMOUSECFG_RIGHT_EDGE),
{ WSMOUSECFG_RIGHT_EDGE, 0 },
case WSMOUSECFG_RIGHT_EDGE:
case WSMOUSECFG_RIGHT_EDGE: