PianoScrollbar constructor

const PianoScrollbar({
  1. Key? key,
  2. required ScrollController scrollController,
  3. required double scrollWidth,
  4. required Size constraints,
  5. required double scale,
  6. required double wButtonH,
})

Implementation

const PianoScrollbar({
  Key? key,
  required this.scrollController,
  required this.scrollWidth,
  required this.constraints,
  required this.scale,
  required this.wButtonH,
}) : super(key: key);