registerHitZones method

  1. @override
void registerHitZones(
  1. Rect area,
  2. HitZoneSink sink
)
override

Implementation

@override
void registerHitZones(Rect area, HitZoneSink sink) {
  sink.add(area, id);
  for (var i = 0; i < options.length && i < area.height; i++) {
    sink.add(
      Rect(area.x, area.y + i, area.width, 1),
      Key.composite([id, 'opt', i]),
    );
  }
}