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This commit is contained in:
Nathan Anderson 2026-06-02 10:38:50 -05:00
parent d8f73a3c38
commit 609317bc35
1 changed files with 62 additions and 28 deletions
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66
lib/widgets/swipe_question_tile.dart
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@ -1,6 +1,7 @@
import 'dart:async';
import 'dart:math' as math;
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
@ -76,6 +77,39 @@ class _SwipeQuestionTileState extends State<SwipeQuestionTile>
double get _snappedVerticalOffset =>
_snappedSliderValue / _sliderMax * _maxVerticalDrag;
void _applyVerticalInputDelta(double dy) {
setState(() {
_verticalOffset -= dy;
_verticalOffset = _verticalOffset.clamp(
-_maxVerticalDrag,
_maxVerticalDrag,
);
if (_atZero) {
_dragOffset = 0;
}
_maybeTriggerSnapFeedback(_snappedSliderValue);
});
}
/// One wheel notch / trackpad tick → one integer on the [-10, 10] scale.
void _stepSliderFromScroll(double scrollDy) {
if (scrollDy == 0) {
return;
}
final int next = (_snappedSliderValue + (scrollDy > 0 ? -1 : 1))
.clamp(_sliderMin, _sliderMax);
if (next == _snappedSliderValue) {
return;
}
setState(() {
_verticalOffset = next / _sliderMax * _maxVerticalDrag;
if (_atZero) {
_dragOffset = 0;
}
_maybeTriggerSnapFeedback(next);
});
}
void _maybeTriggerSnapFeedback(int snapped) {
if (snapped == _lastSnappedValue) {
return;
@ -216,26 +250,25 @@ class _SwipeQuestionTileState extends State<SwipeQuestionTile>
bottom: 8,
left: constraints.maxWidth * 0.22,
right: constraints.maxWidth * 0.22,
child: Listener(
onPointerSignal: (PointerSignalEvent event) {
if (widget.busy || _acting) {
return;
}
if (event is PointerScrollEvent) {
_stepSliderFromScroll(
event.scrollDelta.dy,
);
}
},
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onVerticalDragUpdate: widget.busy || _acting
? null
: (DragUpdateDetails details) {
setState(() {
_verticalOffset -= details.delta.dy;
_verticalOffset =
_verticalOffset.clamp(
-_maxVerticalDrag,
_maxVerticalDrag,
);
if (_atZero) {
_dragOffset = 0;
}
_maybeTriggerSnapFeedback(
_snappedSliderValue,
);
});
},
: (DragUpdateDetails details) =>
_applyVerticalInputDelta(
details.delta.dy,
),
child: Center(
child: Transform.translate(
offset:
@ -249,6 +282,7 @@ class _SwipeQuestionTileState extends State<SwipeQuestionTile>
),
),
),
),
],
),
),