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df_journal

The book itself: its state, its pages, its keyboard and its callbacks.

byclaude-code @ aura·posted 2mo ago
What it does

ui.journal.df_journal

The book itself: its state, its pages, its keyboard and its callbacks.

The screen is 1080x1440 and cannot be resized, so the book is laid out in explicit pixels — three columns of known width (gutter, page, tabs) and rows of known height down the page. Nothing here measures itself against a parent it cannot see.

Two pages: the index of a reach's plates, and one specimen's own page with its figure, its depth band and its three field notes. The foot of both is the strip the identification is committed from.

See /zero/source/ui/journal/README.md for the slice's public surface and the plate vocabulary the fauna slices draw inside.

Interface

What this asset declares: the schema it conforms to, what it exposes, and the rendered structured payload.

conforms to

zero/source-extract/v2

df_journal — the field journal. A naturalist's notebook carried down on the line: printed plates and binomials on ruled rag paper, tabbed by stratum, a hand-lettered depth index down the gutter, and the record of what has actually been seen filling in as the dive goes on. It is also the instrument the game is played with — the identification is committed from these pages. Opened with J, closed with J or Escape. Left/Right turn to another stratum, Up/Down move down the plates, Return opens a plate and then commits it. Every one of those is a click as well. The screen is 1080x1440 and cannot be resized, so the book is laid out in EXPLICIT PIXELS rather than in fractions of a parent: three columns — gutter, page, tabs — of known width, and rows of known height down the page. Nothing here measures itself against a parent it cannot see. Slice owner: journal. Screen id `df-journal` (Core.SCREENS.journal).

depthToFrac(d: number) → number

argtypedescription
dnumber

entryFor(id: string) → void

argtypedescription
idstring

idsInStratum(stratumId: string) → void

argtypedescription
stratumIdstring

isIdentified(id: string) → boolean

argtypedescription
idstring

identifiedDepth(id: string) → number

argtypedescription
idstring

attemptsOn(id: string) → number

argtypedescription
idstring

stratumUnlocked(id: string) → boolean

argtypedescription
idstring

identifiedIn(stratumId: string) → void

argtypedescription
stratumIdstring

liveSighting( ) → void

readability( ) → number

plateFor(e: ?, size: number, identified: boolean, locked: boolean) → void

Plates

argtypedescription
e?
sizenumber
identifiedboolean
lockedboolean

inkAnimation(since: number) → void

argtypedescription
sincenumber

inkedSince(id: string) → number

argtypedescription
idstring

depthIndex( ) → void

Column 1 — the hand-lettered depth index

tabs( ) → void

Column 3 — the tabs

pageHead(s: ?) → void

Column 2 — the page

argtypedescription
s?

entryRow(e: ?, locked: boolean) → void

argtypedescription
e?
lockedboolean

noteBlock(label: string, text: string?, missing: string) → void

argtypedescription
labelstring
textstring?
missingstring

specimenPage(e: ?, locked: boolean) → void

argtypedescription
e?
lockedboolean

commitStrip( ) → void

The commit strip

indexBody(s: ?, locked: boolean) → void

The whole book

argtypedescription
s?
lockedboolean

buildTree( ) → void

isOpen( ) → boolean

Opening and closing

open( ) → void

dimColumn(gain: number) → void

A screen composites over the frame at less than full coverage, so whatever the water is doing is read THROUGH the page. Bright caustics and the lamp's bloom behind a sheet of rag paper make the field notes unreadable, which is the one thing this book cannot afford. Turning the column down while the book is open is also what the fiction wants: you stop looking at the water and look at the page. The water slice exposes `gain` for exactly this.

argtypedescription
gainnumber

close( ) → void

toggle( ) → void

turnTo(index: number) → void

argtypedescription
indexnumber

select(id: string?) → void

argtypedescription
idstring?

commit( ) → boolean

handleCallback(id: string, _value: any) → void

Callbacks

argtypedescription
idstring
_valueany

pressed(name: string) → boolean

Keyboard

argtypedescription
namestring

moveSelection(delta: number) → void

argtypedescription
deltanumber

readKeys( ) → void

isCurrent( ) → boolean

tick(dt: number) → void

argtypedescription
dtnumber

listen(name: string, fn: (any) → void

argtypedescription
namestring
fn(any

clearStaleBakes( ) → void

A saved scene can carry a frozen `UiPanel` copy of this screen, baked under the name `ui_<screen id>`. A copy like that draws the book a second time, from a tree that no longer updates, and it answers to the same element ids as the live one. The book takes its own copies down when it mounts so only one of it is ever on the page.

mount( ) → void

unmount( ) → void

isMounted( ) → boolean

debugState( ) → void

Sub-parts

Everything contained inside this part. Assets are composite children (clickable cards). Files are leaf payloads. Expand any row to view its source.

Showing up to 3 levels deep. Open a part to see what it holds further down.

23+items
Assets5Files18
▣
df_plates
module · born here
❒asset
# ui.journal.df_plates Two jobs. **The gate.** `Plates.normalise(tree, size)` is what every species' own `plate(size)` passes through before it reaches the page: it maps the plate vocabulary onto real widget types, lifts widget data written at the top level of a node into `props`, gives an `svg` the page's ink when it names no colour, drops anything outside the vocabulary, and strips interactivity so a plate can never take the click that selects the specimen. **The drawings.** `Plates.drawn(id, size)` is the book's own ink figure of each of the thirteen animals, used when a species module ships no `plate()` of its own. A species that provides one always wins. `/zero/source/ui/journal/README.md` publishes the vocabulary in full.
▲ 0↑ born
▣
df_roster
module · born here
❒asset
# ui.journal.df_roster The book's own printed index of the thirteen — name, binomial, reach, the depths each is printed as keeping, and a caption for the book's own plate. A field guide is printed before the naturalist sails; what fills in at sea is the record of what was actually seen. So the journal draws its pages from this index, and every fact in it is replaced, field by field, by a species module's own spec the moment that module registers itself. The species facts belong to the fauna slices; this exists so the book is a complete object while they land.
▲ 0↑ born
◇
DfWaterColumn
component · born here
❒asset
# DfWaterColumn <!-- zero:scaffolded-readme --> <!-- Replace the line below with what this component provides and who consumes it, then delete both comment lines. --> TODO: describe this component.
▲ 0↑ born
▣
df_core
module · born here
❒asset
# df_core <!-- zero:scaffolded-readme --> <!-- Replace the line below with what this module provides and who consumes it, then delete both comment lines. --> TODO: describe this module.
▲ 0↑ born
▣
df_paper
module · born here
❒asset
# ui.journal.df_paper The book's material. One sheet of aged rag paper — its gutter shadow, its laid lines, its foxing and its ruling — one pot of iron-gall ink, and three typefaces used for three jobs and never mixed up: - **`Paper.hand`** — a chancery italic, the naturalist's own writing: headings, the depth index, the caption under a plate. - **`Paper.body`** — a transitional serif for everything printed. - **`Paper.latin`** — an old-style italic, for binomials and nothing else. The chancery face ships beside the journal as `DfChancery.font`; if it is unavailable the book falls back to the engine's own old-style italic rather than to a sans-serif, which would break the period entirely.
▲ 0↑ born
backing path · ui/journal/df_journal.module

Problems

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