[2014] in java-interest
Re> Simple awt Menu prgram
daemon@ATHENA.MIT.EDU (Sid Conklin)
Thu Sep 21 19:59:03 1995
Date: 21 Sep 1995 13:59:00 -0700
From: "Sid Conklin" <sid.conklin@nora.stanford.edu>
To: "java-interest@java.sun.com" <java-interest@java.sun.com>
Sami's code had a few missing items: not adding the menu to the menubar; and
not casting the evt.target to a menuItem. Here is the modified code:
import java.awt.*;
public class MenuTest extends Frame {
public MenuTest() {
super("MenuTest"); // set the title of the frame
MenuBar mb = new MenuBar();
// add a simple menu
Menu m = new Menu("Numbers");
m.add(new MenuItem("one"));
m.add(new MenuItem("two"));
m.add(new MenuItem("three"));
// add a submenu
Menu submenu = new Menu("More Numbers");
submenu.add(new MenuItem("four"));
submenu.add(new MenuItem("five"));
m.add(submenu);
//add menu to menubar
mb.add(m);
setMenuBar(mb); // install this menu bar in the frame
resize(300, 300);
show();
}
public boolean handleEvent(Event evt) {
if ((evt.id == Event.ACTION_EVENT) && (evt.target instanceof MenuItem)){
System.out.println(((MenuItem)evt.target).getLabel());
return true;
}
return false;
}
public static void main(String args[]) {
new MenuTest();
}
}
Good luck,
Sid
Stanford University
------ From: java-interest@java.sun.com, Thu, Sep 21, 1995 ------
Here's a simple awt program that puts up a menubar and prints out the
contents of a menu item when selected. Compile it with javac and then
just run it as "java MenuTest":
import java.awt.*;
public class MenuTest extends Frame {
public MenuTest() {
super("MenuTest"); // set the title of the frame
MenuBar mb = new MenuBar();
// add a simple menu
Menu m = new Menu("Numbers");
m.add(new MenuItem("one"));
m.add(new MenuItem("two"));
m.add(new MenuItem("three"));
// add a submenu
Menu submenu = new Menu("More Numbers");
submenu.add(new MenuItem("four"));
submenu.add(new MenuItem("five"));
m.add(submenu);
setMenuBar(mb); // install this menu bar in the frame
resize(300, 300);
show();
}
public boolean handleEvent(Event evt) {
if ((evt.id == Event.ACTION_EVENT) && (evt.target instanceof MenuItem)){
System.out.println(evt.target.getLabel());
}
}
public static void main(String args[]) {
new MenuTest();
}
}
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