secondaryIndexAt method

int? secondaryIndexAt(
  1. Offset point
)

点是否在SecondaryRect中

Implementation

// bool isInSecondaryRect(Offset point) {
//   return mSecondaryRect?.contains(point) ?? false;
// }

int? secondaryIndexAt(Offset point) {
  for (int i = 0; i < secondaryRenderers.length; i++) {
    final rect = secondaryRenderers[i]?.rect;
    if (rect != null && rect.contains(point)) {
      return i;
    }
  }
  return null;
}