machine = machineOptional.get();
canvas = new LogicUICanvas(canvasParent, SWT.NONE, machine.getModel());
ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
machine = machineOptional.get();
canvas = new LogicUICanvas(canvasParent, SWT.NONE, machine.getModel());
ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);