testmenubars.java

来自「java2 primer plus一书源程序」· Java 代码 · 共 73 行

/*
 * TestMenuBars.java
 *
 * Created on July 30, 2002, 2:36 PM
 */

package com.samspublishing.jpp.ch13;
import java.awt.*;
import java.awt.event.*;

/**
 *
 * @author  Stephen Potts
 * @version
 */
public class TestMenuBars extends Frame 
{
   MenuBar mBar;
   Menu breadMenu, toastMenu;
   Menu helpMenu;
      
   TextField tField;
   
   /** Creates new TestMenuBars*/
   public TestMenuBars()
   {
      breadMenu = new Menu("Bread");
      breadMenu.add("White");
      breadMenu.add("Wheat");
      breadMenu.add("Rye");
      
      toastMenu = new Menu("Toast");
      toastMenu.add("Light");
      toastMenu.add("Medium");
      toastMenu.add("Dark");
      
      mBar = new MenuBar();
      mBar.add(breadMenu);
      mBar.add(toastMenu);
      
      helpMenu = new Menu("Help");
      helpMenu.add("help");
      
      mBar.setHelpMenu(helpMenu);
      
      tField = new TextField(" ",30);
      
      setLayout(new FlowLayout());
      add(tField);
      
      setMenuBar(mBar);
      
      addWindowListener(new WinCloser());
      setTitle("Using Menu Bars");
      setBounds( 100, 100, 300, 300);
      setVisible(true);
   }
      
   public static void main(String[] args)
   {
      TestMenuBars tmb = new TestMenuBars();
   }
   
}

class WinCloser extends WindowAdapter
{
   public void windowClosing(WindowEvent e)
   {
      System.exit(0);
   }
}