//Monitoring the active part.
class Delegator{
 MPart activePart;

 public Delegator{
  this.addListener(SWT.KeyDown, new Listener{
    //pass the Keyboard Events to the activePart here
    activePart.getListeners.PASS_EVENTS_HERE
  });

}

@Inject
    private void getActivePart(@Named(IServiceConstants.ACTIVE_PART) MPart part) {
        if (part != null) {
            activePart = part;
        }
    }

class PartContribution{

 //the part which the PartContribution is in will be injected here
 @Inject
 MPart part;

 public PartContribution{
   //Listen to the events, passed to the active part.
   part.addListener...
 }

}

@PostConstruct
public void createControls(Composite parent, MPart part) {

        // don't use this in prod, just as a hint
	parent.getShell().getDisplay().addFilter(SWT.KeyUp, new Listener() {
		
		@Override
		public void handleEvent(Event event) {
			System.out.println("key:" + event.keyCode);
                        broker.post("foo/bar/topic", event.keyCode);
			
		}
	});
}

@Inject
@Optional
public void handleKeyEvent(
		@UIEventTopic("foo/bar/topic") int keyCode,
		MPart part,
		@Active MPart activePart) {
	if (part.getElementId().equals(activePart.getElementId())) {
		System.out.println("active part handles: " + keyCode);
	}
}

@Focus
private void setFocus() {
  composite.setFocus();
}