getGlobalAreaBounds method
Implementation
@override
Rect getGlobalAreaBounds() {
if(parent==null){return boundRect;}
Rect parentRect=parent!.getGlobalAreaBounds();
double l=parentRect.left+boundRect.left;
double t=parentRect.top+boundRect.top;
return Rect.fromLTWH(l, t, boundRect.width, boundRect.height);
}