setBackground(background);// this.setBackground, not gc.setBackground to have the background fill the canvas
renderer.render(gc, new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom));
});
- model.setRedrawHandler(this::redrawThreadsafe);
+ model.setRedrawHandler(() ->
+ {
+ if (!isDisposed())
+ redrawThreadsafe();
+ });
addListener(SWT.MouseDown, this::mouseDown);