68 lines
2.3 KiB
Java
68 lines
2.3 KiB
Java
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Menu example
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package com.ack.gui.awt.simple;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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public class MenuExample extends Frame implements ActionListener {
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public static void main( String[] args ) {
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MenuExample myFrame = new MenuExample();
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myFrame.setSize( 400, 400 );
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MenuBar myMenuBar = new MenuBar();
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myFrame.setMenuBar( myMenuBar );
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Menu myFileMenu = new Menu( "File" );
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Menu myEditMenu = new Menu( "Edit" );
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Menu myHelpMenu = new Menu( "Help" );
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myMenuBar.add( myFileMenu );
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myMenuBar.add( myEditMenu );
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myMenuBar.add( myHelpMenu );
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MenuItem myFileOpenMenuItem = new MenuItem( "Open..." );
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MenuItem myFileExitMenuItem = new MenuItem( "Exit", new MenuShortcut( KeyEvent.VK_X ) );
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MenuItem myEditUndoMenuItem = new MenuItem( "Undo", new MenuShortcut( KeyEvent.VK_Z ) );
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MenuItem myHelpAboutMenuItem = new MenuItem( "About" );
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myFileOpenMenuItem.addActionListener( myFrame );
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myFileExitMenuItem.addActionListener( myFrame );
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myEditUndoMenuItem.addActionListener( myFrame );
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myHelpAboutMenuItem.addActionListener( myFrame );
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myFileOpenMenuItem.setActionCommand( "open" );
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myFileExitMenuItem.setActionCommand( "exit" );
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myEditUndoMenuItem.setActionCommand( "undo" );
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myHelpAboutMenuItem.setActionCommand( "about" );
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myFileMenu.add( myFileOpenMenuItem );
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myFileMenu.addSeparator();
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myFileMenu.add( myFileExitMenuItem );
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myEditMenu.add( myEditUndoMenuItem );
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myHelpMenu.add( myHelpAboutMenuItem );
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myFrame.addWindowListener( new WindowAdapter() {
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public void windowClosing( WindowEvent we ) {
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System.exit( 0 );
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}
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} );
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myFrame.setVisible( true );
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}
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public void actionPerformed( ActionEvent e ) {
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String cmd = e.getActionCommand();
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if( cmd.equals( "open" ) ) {
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System.out.println( "open" );
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}
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else if( cmd.equals( "exit" ) ) {
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System.exit( 0 );
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}
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else if( cmd.equals( "undo" ) ) {
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System.out.println( "undo" );
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}
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else if( cmd.equals( "about" ) ) {
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System.out.println( "about" );
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}
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}
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}
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