JLink.java 文件源码

@Override
public void paint(Graphics g) {
  super.paint(g);

    if(drawLine) {
        LineMetrics m = getFont().getLineMetrics(getText(),frc);
        Insets i = getInsets();
        int descent = (int)m.getDescent()-4;
        if(isEnabled()) {
            g.setColor(getForeground());
        } else {
            g.setColor(SystemColor.textInactiveText);
        }
        g.drawLine(i.left,getHeight()-i.bottom-descent,getWidth()-i.right-1,getHeight()-i.bottom-descent);
    }
}