98 lines
2.9 KiB
Dart
98 lines
2.9 KiB
Dart
import 'package:flutter/material.dart';
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class SlideConfirm extends StatefulWidget {
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final VoidCallback onConfirmed;
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const SlideConfirm({super.key, required this.onConfirmed});
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@override
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State<SlideConfirm> createState() => _SlideConfirmState();
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}
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class _SlideConfirmState extends State<SlideConfirm> {
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double _drag = 0;
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bool _confirmed = false;
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static const double size = 52;
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@override
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Widget build(BuildContext context) {
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final scheme = Theme.of(context).colorScheme;
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return SizedBox(
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width: double.infinity,
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height: 58,
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child: LayoutBuilder(
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builder: (context, constraints) {
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final maxDrag = constraints.maxWidth - size;
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return Container(
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height: 58,
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decoration: BoxDecoration(
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color: scheme.error.withValues(alpha: 0.12),
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borderRadius: BorderRadius.circular(30),
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),
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child: Stack(
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alignment: Alignment.centerLeft,
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children: [
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Center(
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child: Text(
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_confirmed ? 'Closing tab...' : 'Slide to confirm closing',
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style: TextStyle(
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color: scheme.error,
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fontWeight: FontWeight.w700,
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),
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),
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),
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Positioned(
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left: _drag,
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child: GestureDetector(
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onHorizontalDragUpdate: (details) {
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if (_confirmed) return;
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setState(() {
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_drag += details.delta.dx;
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_drag = _drag.clamp(0, maxDrag);
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});
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},
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onHorizontalDragEnd: (_) {
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if (_drag >= maxDrag * 0.85) {
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setState(() {
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_confirmed = true;
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_drag = maxDrag;
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});
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Future.delayed(
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const Duration(milliseconds: 250),
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widget.onConfirmed,
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);
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} else {
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setState(() {
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_drag = 0;
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});
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}
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},
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child: Container(
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width: size,
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height: size,
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decoration: BoxDecoration(
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color: scheme.error,
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.arrow_forward_rounded,
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color: scheme.onError,
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),
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),
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),
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),
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],
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),
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);
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},
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),
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);
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}
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}
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