control = new InvertMouseButton().setAlign(WidgetAnchor.TOP_CENTER);
control.setWidth(150).setHeight(20).setX(left).setY(top);
screen.attachWidget("Spoutcraft", control);
control = new DifficultyButton().setAlign(WidgetAnchor.TOP_CENTER);
control.setWidth(150).setHeight(20).setX(right).setY(top);
screen.attachWidget("Spoutcraft", control);
top += 22;
control = new TexturesButton(this).setAlign(WidgetAnchor.TOP_CENTER);