public static void main(String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	final Button button = new Button(shell,SWT.NONE);
	button.setSize(100,100);
	button.setText("Click");
	shell.pack();
	shell.open();
	button.addListener(SWT.MouseDown, new Listener() {
		@Override
		public void handleEvent(Event e){
			System.out.println("Mouse Down (button: " + e.button + " x: " + e.x + " y: " + e.y + ")");
		}
	});
	final Point pt = display.map(shell, null, 50, 50);
	new Thread(){
		Event event;
		@Override
		public void run(){
			try {
				Thread.sleep(300);
			} catch (InterruptedException e) {}
			event = new Event();
			event.type = SWT.MouseMove;
			event.x = pt.x;
			event.y = pt.y;
			display.post(event);
			try {
				Thread.sleep(300);
			} catch (InterruptedException e) {}
			event.type = SWT.MouseDown;
			event.button = 1;
			display.post(event);
			try {
				Thread.sleep(300);
			} catch (InterruptedException e) {}
			event.type = SWT.MouseUp;
			display.post(event);
		}	
	}.start();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) display.sleep();
	}
	display.dispose();
}