updateDrag method

void updateDrag(
  1. Offset localPos
)

Updates the in-progress drag to follow localPos. No-op when nothing is being dragged.

Implementation

void updateDrag(Offset localPos) {
  if (_draggedEvent == null) return;
  _draggedEvent!.updateDrag(_toGridPos(localPos));
  controller.triggerUpdate.value++;
}