originOf static method

Rect? originOf(
  1. BuildContext context
)

Screen rect of the widget that owns context; pass it as origin so the iPad/macOS share popover points at your button. UShare.originOf(context)

Implementation

static Rect? originOf(BuildContext context) {
  final RenderObject? box = context.findRenderObject();
  if (box is! RenderBox || !box.hasSize) return null;
  return box.localToGlobal(Offset.zero) & box.size;
}