mikkeli
4cf7a786d6
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
46 lines
3.4 KiB
Markdown
46 lines
3.4 KiB
Markdown
---
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type: reference
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---
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# The app's code: a catalogue
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Laid out like smart-serow's HUD (`pi/ui/lib/`), which several pieces come from; the menu follows
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pirate-station-aide's (main views, then the rarely used ones grouped as Tools).
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## Folders
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| Where | Holds |
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|---|---|
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| `main.dart` | Startup: the link to the Orin, the theme, then the shell |
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| `shell.dart` | The shell: a menu that swipes in from the left; Dash, Signals, Captures, then Tools (Camera, Link test, Orin power options), then Settings. Dash, Signals and Captures stay alive while hidden |
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| `shell_scope.dart` | What a page needs from the shell: `MenuButton`, `ShellView`, the landing view (`--dart-define=YUKART_HOME=dash\|signals`, `signals` for now) |
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| `pages/` | One file per view: `dash`, `signals` (values and raw traffic), `checklist` (Captures), `camera`, `link_test`, `settings` |
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| `actions/` | Things done from anywhere, as dialogs and sheets: `marks` (free-form mark), `orin_power` (power off / reboot), `server_url` (gateway address) |
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| `link/` | Talking to the Orin: `boundary` (the protocol client), `net` (binding to the USB link), `reading` (one signal's state as a display needs it) |
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| `theme/` | `palette.dart`: the palette roles and `hudFont` |
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| `widgets/` | Reusable display widgets, one per file, each fed values, never the boundary (`link_status` takes it whole: it shows the link) |
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## Widgets
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| Widget | File | Shows | From |
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|---|---|---|---|
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| `StatBox`, `StatBoxMain` | `widgets/stat_box.dart` | A value, its unit and label, sized from its box's height; alarm on warning, subdued when dim | smart-serow |
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| `Telltale` | `widgets/telltale.dart` | An on/off lamp: a label or an icon, lit or dark, "—" when missing | Yukart |
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| `WhiskeyMark` | `widgets/whiskey_mark.dart` | Attitude: a horizon tilting with roll, ladder moving with pitch | smart-serow |
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| `AccelGraph` | `widgets/accel_graph.dart` | G-meter: a dot for lateral/longitudinal g, a trace and a peak marker over a window | smart-serow |
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| `GpsCompass` | `widgets/gps_compass.dart` | Heading arrow and bearing; "ACQ" while acquiring, "N/A" without | smart-serow, from gps-speedo |
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| `LinkChip`, `LinkDetails` | `widgets/link_status.dart` | The link's state in good / caution / alarm; address, last-message age, clock offset, USB link | Yukart |
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| `MockBanner` | `widgets/mock_banner.dart` | "MOCK DATA — NOT FROM THE CAR" in caution, over every page while the gateway is mocking | Yukart |
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## Conventions
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- **The boxed pattern.** A widget takes its share of a row and sizes its type from its own height, so a layout
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is a grid of boxes and a value gaining a digit never moves anything. Labels shrink to fit, never wrap.
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- **Colours by meaning.** `AppTheme.of(context)` gives seven roles: `background`, `foreground`,
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`subdued` (muted, missing, stale), `accent` (emphasis without danger: buttons, links, the current item),
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and the state gradient `good` → `caution` → `alarm`; plus the derived `surface` (raised bars) and
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`onFill(colour)` (text on a fill). No widget names a colour. Themes are JSON in `assets/themes/`, `rei` by
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default; smart-serow's four-key files still load (their `highlight` is `alarm`).
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- **Cosmetic fonts are opt-in.** A widget that wants the HUD face names `fontFamily: hudFont` in its own
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`TextStyle`; everything else keeps the basic font, which covers CJK where DIN 1451 does not.
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- **Missing is a state** (app guideline 2): a widget given no value draws "—" or subdued, never an error.
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