reset method

@override void reset()

Resets the controller to its initial state.

Implementation

@override
void reset() {
  if (_selection case final DiscreteSelection discrete?) {
    selection = DiscreteSelection(
      ticks: discrete.ticks,
      mainAxisExtent: discrete.rawExtent.total,
      extent: _initialSelection.extent,
      offset: _initialSelection.offset,
    );
  }
}