SelectionOverlayBuilder typedef

SelectionOverlayBuilder = Widget? Function(BuildContext context, {required int columnCount, required int selectedIndex})

Defines a function signature for creating a widget that serves as a selection overlay, given the current context, the selected item's index, and the total number of columns.

Implementation

typedef SelectionOverlayBuilder = Widget? Function(BuildContext context, { required int columnCount, required int selectedIndex });