WSMOUSECFG_BOTTOM_EDGE
set_percent(field, WSMOUSECFG_BOTTOM_EDGE, f3);
get_percent(field, WSMOUSECFG_BOTTOM_EDGE),
{ WSMOUSECFG_BOTTOM_EDGE, 0 },
case WSMOUSECFG_BOTTOM_EDGE:
case WSMOUSECFG_BOTTOM_EDGE: