changeState(ROLLOVER, r);
if ((r && isRollover()) || (!r && !isRollover())) return;   if (!isEnabled()) return;   if (r) stateMask = stateMask | ROLLOVER; else stateMask = stateMask & (~ROLLOVER);   fireStateChanged();
  public void setRollover(boolean r)  {    changeState(ROLLOVER, r);  }