MenuActionListenerShow.java Source code

Introduction

Here is the source code for MenuActionListenerShow.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class MenuActionListenerShow {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);

        Listener showListener = new Listener() {
            public void handleEvent(Event event) {
                Menu menu = (Menu) event.widget;
                MenuItem item = menu.getParentItem();
                if (item != null) {
                    System.out.println(item.getText());

                }
            }
        };

        Menu menuBar = new Menu(shell, SWT.BAR);
        shell.setMenuBar(menuBar);
        MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
        fileItem.setText("File");
        MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
        editItem.setText("Edit");
        Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
        fileMenu.addListener(SWT.Show, showListener);
        fileItem.setMenu(fileMenu);

        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}