onDragStart method

void onDragStart(
  1. BuildContext context,
  2. DragStartDetails details
)

Implementation

void onDragStart(BuildContext context, DragStartDetails details) {
//    print("onDragStart");
  final RenderBox box = context.findRenderObject() as RenderBox;
  final Offset offset = box.globalToLocal(details.globalPosition);
  updatePointer(offset);
  mousePressed();
  redraw();
}