JFontChooser.java 文件源码

/**
 *  Show font selection dialog.
 *  @param parent Dialog's Parent component.
 *  @return OK_OPTION, CANCEL_OPTION or ERROR_OPTION
 *
 *  @see #OK_OPTION 
 *  @see #CANCEL_OPTION
 *  @see #ERROR_OPTION
 **/
public int showDialog(Component parent)
{
    dialogResultValue = ERROR_OPTION;
    JDialog dialog = createDialog(parent);
    dialog.addWindowListener(new WindowAdapter()
    {
        public void windowClosing(WindowEvent e)
        {
            dialogResultValue = CANCEL_OPTION;
        }
    });

    dialog.setVisible(true);
    dialog.dispose();
    dialog = null;

    return dialogResultValue;
}