HelpListenerUsing.java Source code

Introduction

Here is the source code for HelpListenerUsing.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.HelpEvent;
import org.eclipse.swt.events.HelpListener;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class HelpListenerUsing {
    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setLayout(new RowLayout());

        Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
        text.setText("press F1 function to see the help message.");
        text.addHelpListener(new HelpListener() {

            public void helpRequested(HelpEvent arg0) {
                System.out.println("Help wanted");
            }
        });

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