startLayer.addChild(w);
mainLayer = new LayerWidget(this);
this.addChild(mainLayer);
topLeft = new Widget(this);
topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
this.addChild(topLeft);
bottomRight = new Widget(this);
bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
this.addChild(bottomRight);
slotLayer = new LayerWidget(this);
this.addChild(slotLayer);