DisplayFilterEvent.java Source code

Introduction

Here is the source code for DisplayFilterEvent.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.Shell;

public class DisplayFilterEvent {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Left click your mouse");
        shell.setSize(200, 100);
        shell.open();

        shell.addListener(SWT.MouseDown, new SimpleListener("Shell mouse down listener"));

        display.addFilter(SWT.MouseDown, new SimpleListener("Display mouse down Listener"));

        display.addFilter(SWT.MouseUp, new SimpleListener("Display mouse up Listener"));

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

class SimpleListener implements Listener {
    String name;

    public SimpleListener(String name) {
        this.name = name;
    }

    public void handleEvent(Event e) {
        System.out.println("Event: [" + e.toString() + "] from " + name + ". \tCurrent Time (in ms):  "
                + System.currentTimeMillis());
    }
}