App structure: a swipe-in menu shell; pages/, link/, actions/; Settings
The shell (shell.dart): a drawer from the left edge or each page's menu button. Dash, Signals, Captures; Tools (Camera, Link test, Orin power options), the rarely used ones, after pirate-station-aide; Settings (gateway address, dark/bright, build-time theme and landing). Landing view at build time: YUKART_HOME=dash|signals, signals for now. Dash, Signals and Captures stay alive while hidden; Captures has its own navigator, so a run survives switching views. Back goes inside Captures, then to the landing view, then out. The mock banner sits over every page. main.dart is startup only; the old home screen is pages/signals.dart; dialogs and sheets moved to actions/; the protocol client, USB binding and Reading to link/. lib/README.md catalogues it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
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// The software dash: smart-serow's HUD layout and widgets, fed from the boundary.
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// A grid of boxes (lib/widgets/stat_box.dart): the instruments and the big numbers
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// in the main row, smaller readouts and telltales below. Every value names its
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// signal from contracts' signals.json and nothing else (app guideline 1).
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import 'package:flutter/material.dart';
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import '../link/boundary.dart';
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import '../shell_scope.dart';
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import '../link/reading.dart';
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import '../theme/palette.dart';
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import '../widgets/accel_graph.dart';
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import '../widgets/gps_compass.dart';
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import '../widgets/stat_box.dart';
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import '../widgets/telltale.dart';
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import '../widgets/whiskey_mark.dart';
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class DashPage extends StatelessWidget {
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const DashPage({super.key, required this.boundary, required this.themes});
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final Boundary boundary;
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final Themes themes;
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@override
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Widget build(BuildContext context) {
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return ListenableBuilder(
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listenable: Listenable.merge([boundary, themes]),
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builder: (context, _) {
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final p = AppTheme.of(context);
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final b = boundary;
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Reading r(String n) => Reading.of(b, n);
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final rpm = r('engine_rpm');
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final speed = r('gnss_speed_kph');
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final pedal = r('accel_pedal_pct');
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final coolant = r('obd_coolant_temp_c');
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final lat = r('imu_accel_lat_g');
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final lon = r('imu_accel_lon_g');
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// The compass's states, from gnss_fix: none → acquiring, 2d/3d → fix, missing → none known.
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final fix = r('gnss_fix');
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final gpsState = fix.value == null
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? null
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: fix.value == 'none'
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? 'acquiring'
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: 'fix';
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return Scaffold(
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backgroundColor: p.background,
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body: SafeArea(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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_DashBar(boundary: b, themes: themes),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
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child: Column(
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children: [
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// Main area: instruments and the big numbers.
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Expanded(
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flex: 7,
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child: Row(
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children: [
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Expanded(
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child: WhiskeyMark(
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roll: r('imu_roll_deg').number,
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pitch: r('imu_pitch_deg').number,
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),
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),
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Expanded(
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child: AccelGraph(
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ax: lat.number,
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ay: lon.number,
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maxG: 0.8,
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ghostTrackPeriod: const Duration(seconds: 4),
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),
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),
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Expanded(
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child: Column(
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children: [
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StatBoxMain(
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value: rpm.fixed(),
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label: 'RPM',
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dim: rpm.dim,
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isWarning: () => (rpm.number ?? 0) > 6000,
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),
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StatBoxMain(
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value: speed.fixed(),
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unit: 'km/h',
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label: 'GNSS SPEED',
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dim: speed.dim,
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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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// Bottom row: smaller readouts and telltales.
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Expanded(
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flex: 2,
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child: Row(
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children: [
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StatBox(
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value: pedal.fixed(),
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unit: '%',
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label: 'PEDAL',
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dim: pedal.dim,
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),
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StatBox(
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value: coolant.fixed(),
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unit: '°C',
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label: 'COOLANT',
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dim: coolant.dim,
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isWarning: () => (coolant.number ?? 0) > 105,
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),
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Expanded(
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child: GpsCompass(
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heading: r('gnss_heading_deg').number,
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gpsState: gpsState,
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),
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),
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Telltale(
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label: 'LEFT',
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icon: Icons.arrow_left,
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reading: r('indicator_left'),
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),
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Telltale(
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label: 'RIGHT',
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icon: Icons.arrow_right,
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reading: r('indicator_right'),
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),
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Telltale(
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label: 'BRAKE',
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reading: r('brake_pedal'),
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),
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Telltale(
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label: 'PARK',
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reading: r('handbrake'),
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warn: true,
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),
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Telltale(
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label: 'LIGHTS',
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reading: r('side_lights'),
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),
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Telltale(
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label: 'DOOR',
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reading: r('door_open'),
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warn: true,
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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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},
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);
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}
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}
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/// The dash's own thin top line: the menu, link state, and the dark/bright switch.
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class _DashBar extends StatelessWidget {
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const _DashBar({required this.boundary, required this.themes});
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final Boundary boundary;
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final Themes themes;
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@override
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Widget build(BuildContext context) {
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final p = AppTheme.of(context);
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final (text, color) = switch (boundary.state) {
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LinkState.up => ('LINK', p.subdued),
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LinkState.connecting => ('CONNECTING', p.caution),
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LinkState.down => ('NO LINK', p.alarm),
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};
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return SizedBox(
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height: 40,
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child: Row(
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children: [
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MenuButton(color: p.subdued),
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Text(text, style: TextStyle(color: color, letterSpacing: 2)),
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const Spacer(),
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IconButton(
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tooltip: themes.isDark ? 'Bright' : 'Dark',
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onPressed: themes.toggle,
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icon: Icon(
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themes.isDark ? Icons.light_mode : Icons.dark_mode,
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color: p.subdued,
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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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