Initial commit: COPILOT D6 Flutter keyboard controller
Flutter web app replacing legacy WPF CCTV surveillance keyboard controller. Includes wall overview, section view with monitor grid, camera input, PTZ control, alarm/lock/sequence BLoCs, and legacy-matching UI styling. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
231
copilot_keyboard/lib/presentation/widgets/ptz_control.dart
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231
copilot_keyboard/lib/presentation/widgets/ptz_control.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../blocs/ptz/ptz_bloc.dart';
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import '../blocs/ptz/ptz_event.dart';
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import '../blocs/ptz/ptz_state.dart';
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import '../blocs/monitor/monitor_bloc.dart';
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import '../blocs/monitor/monitor_state.dart';
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class PtzControl extends StatelessWidget {
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const PtzControl({super.key});
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@override
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Widget build(BuildContext context) {
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return BlocBuilder<MonitorBloc, MonitorBlocState>(
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builder: (context, monitorState) {
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return BlocBuilder<PtzBloc, PtzState>(
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builder: (context, ptzState) {
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final cameraId = monitorState.selectedMonitorCamera;
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final isEnabled = cameraId != null && cameraId > 0;
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Row(
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children: [
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Text(
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'PTZ CONTROL',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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if (cameraId != null && cameraId > 0) ...[
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 8, vertical: 2),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.primaryContainer,
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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'Camera $cameraId',
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style: TextStyle(
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fontSize: 12,
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color: Theme.of(context)
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.colorScheme
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.onPrimaryContainer,
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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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_buildPtzPad(context, cameraId, isEnabled),
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const SizedBox(height: 8),
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_buildZoomControls(context, cameraId, isEnabled),
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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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Widget _buildPtzPad(BuildContext context, int? cameraId, bool isEnabled) {
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return Column(
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children: [
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// Up
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_PtzButton(
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icon: Icons.arrow_upward,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzTiltStart(cameraId: cameraId, direction: 'up'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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],
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),
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// Left, Stop, Right
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_PtzButton(
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icon: Icons.arrow_back,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzPanStart(cameraId: cameraId, direction: 'left'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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const SizedBox(width: 4),
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_PtzButton(
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icon: Icons.stop,
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isStop: true,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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const SizedBox(width: 4),
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_PtzButton(
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icon: Icons.arrow_forward,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzPanStart(cameraId: cameraId, direction: 'right'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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],
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),
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// Down
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_PtzButton(
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icon: Icons.arrow_downward,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzTiltStart(cameraId: cameraId, direction: 'down'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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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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Widget _buildZoomControls(
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BuildContext context, int? cameraId, bool isEnabled) {
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return Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_PtzButton(
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icon: Icons.zoom_out,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzZoomStart(cameraId: cameraId, direction: 'out'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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const SizedBox(width: 4),
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_PtzButton(
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icon: Icons.zoom_in,
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onPressStart: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(
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PtzZoomStart(cameraId: cameraId, direction: 'in'),
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)
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: null,
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onPressEnd: isEnabled && cameraId != null
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? () => context.read<PtzBloc>().add(PtzStop(cameraId))
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: null,
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),
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],
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);
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}
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}
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class _PtzButton extends StatelessWidget {
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final IconData icon;
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final VoidCallback? onPressStart;
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final VoidCallback? onPressEnd;
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final bool isStop;
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const _PtzButton({
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required this.icon,
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this.onPressStart,
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this.onPressEnd,
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this.isStop = false,
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});
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@override
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Widget build(BuildContext context) {
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final isEnabled = onPressStart != null;
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return GestureDetector(
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onTapDown: isEnabled ? (_) => onPressStart?.call() : null,
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onTapUp: isEnabled ? (_) => onPressEnd?.call() : null,
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onTapCancel: isEnabled ? () => onPressEnd?.call() : null,
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child: Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: isEnabled
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? (isStop
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? Theme.of(context).colorScheme.errorContainer
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: Theme.of(context).colorScheme.primaryContainer)
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: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: isEnabled
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? (isStop
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? Theme.of(context).colorScheme.error
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: Theme.of(context).colorScheme.primary)
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: Theme.of(context).colorScheme.outline,
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width: 1,
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),
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),
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child: Icon(
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icon,
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color: isEnabled
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? (isStop
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? Theme.of(context).colorScheme.onErrorContainer
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: Theme.of(context).colorScheme.onPrimaryContainer)
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: Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.4),
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),
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),
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);
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}
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}
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