MenuBar mbMainMenuBar; Menu mnFile; Menu
Листинг 1
. Файл MenuApp.java import java.awt.*; public class MenuApp { public static void main(String args[]) { MainFrameWnd frame = new MainFrameWnd("MenuApp");
frame.setSize( frame.getInsets().left + frame.getInsets().right + 320, frame.getInsets().top + frame.getInsets().bottom + 240);
frame.show();
} } class MainFrameWnd extends Frame { MenuBar mbMainMenuBar; Menu mnFile; Menu mnHelp; public MainFrameWnd(String sTitle) { super(sTitle);
setSize(400, 200);
setBackground(Color.yellow);
setForeground(Color.black);
setLayout(new FlowLayout());
mbMainMenuBar = new MenuBar();
mnFile = new Menu("File");
mnFile.add("New");
mnFile.add("-");
mnFile.add("Exit");
mnHelp = new Menu("Help");
mnHelp.add("Content");
mnHelp.add("-");
mnHelp.add("About");
mbMainMenuBar.add(mnFile);
mbMainMenuBar.add(mnHelp);
setMenuBar(mbMainMenuBar);
} public void paint(Graphics g) { g.setFont(new Font( "Helvetica", Font.PLAIN, 12));
g.drawString("Frame window", 10, 70);
super.paint(g);
} public boolean handleEvent(Event evt) { if(evt.id == Event.WINDOW_DESTROY) { setVisible(false);
System.exit(0);
return true; } else return super.handleEvent(evt);
} public boolean action(Event evt, Object obj) { MenuItem mnItem; if(evt.target instanceof MenuItem) { mnItem = (MenuItem)evt.target; if(obj.equals("Exit")) { System.exit(0);
} else if(obj.equals("New")) { MessageBox mbox; mbox = new MessageBox( "Item New selected", this, "Dialog from Frame", true);
mbox.show();
} else if(obj.equals("Content")) { MessageBox mbox; mbox = new MessageBox( "Item Content selected", this, "Dialog from Frame", true);
mbox.show();
} else if(obj.equals("About")) { MessageBox mbox; mbox = new MessageBox( "Item About selected", this, "Dialog from Frame", true);
mbox.show();
} else return false; return true; } return false; } } class MessageBox extends Dialog { Label lbMsg; Button btnOK; public MessageBox(String sMsg, Frame parent, String sTitle, boolean modal) { super(parent, sTitle, modal);
resize(200, 100);
setLayout(new GridLayout(2, 1));
lbMsg = new Label(sMsg, Label.CENTER);
add(lbMsg);
btnOK = new Button("OK");
add(btnOK);
} public boolean handleEvent(Event evt) { if(evt.id == Event.WINDOW_DESTROY) { dispose();
return true; } else return super.handleEvent(evt);
} public boolean action(Event evt, Object obj) { Button btn; if(evt.target instanceof Button) { btn = (Button)evt.target; if(evt.target.equals(btnOK)) { dispose();
} else return false; return true; } return false; } }
