getPreferredRect method
Rect
getPreferredRect({
- required RenderBox parentBox,
- Offset offset = Offset.zero,
- required SliderThemeData sliderTheme,
- bool isEnabled = false,
- bool isDiscrete = false,
override
Implementation
@override
Rect getPreferredRect({
required RenderBox parentBox,
Offset offset = Offset.zero,
required SliderThemeData sliderTheme,
bool isEnabled = false,
bool isDiscrete = false,
}) {
const double trackHeight = 10;
final double trackLeft = offset.dx,
trackTop = offset.dy + (parentBox.size.height - trackHeight) / 2;
final double trackWidth = parentBox.size.width;
return Rect.fromLTWH(trackLeft, trackTop, trackWidth, trackHeight);
}