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update hue picker color and postion upon move #28

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update hue picker color and postion upon move #28

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10 changes: 7 additions & 3 deletions lib/flutter_circle_color_picker.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -352,7 +352,7 @@ class _LightnessSliderState extends State<_LightnessSlider>
}

class _HuePicker extends StatefulWidget {
const _HuePicker({
_HuePicker({
Key? key,
required this.hue,
required this.onChanged,
Expand All @@ -362,7 +362,7 @@ class _HuePicker extends StatefulWidget {
required this.thumbSize,
}) : super(key: key);

final double hue;
double hue;

final ValueChanged<double> onChanged;

Expand Down Expand Up @@ -478,7 +478,11 @@ class _HuePickerState extends State<_HuePicker> with TickerProviderStateMixin {
position.dy - widget.size.height / 2,
position.dx - widget.size.width / 2,
);
widget.onChanged(radians % (2 * pi) * 180 / pi);
var value = radians % (2 * pi) * 180 / pi;
widget.onChanged(value);
setState(() {
widget.hue = value;
});
}
}

Expand Down