diet-guard/diet_guard/_gatelock_spacing.py
Krzysztof kuhy Rudnicki 84bd550331
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Migrate diet_guard to gatelock v0.2.0 per-output locking
The gate is laid out once per live output instead of once on the primary,
and claims the screen through an Arbiter at RANK_DIET_GUARD so the wake alarm
and the workout locker can both outrank it.

Three kinds of state needed three different answers. The display fields
already fanned out for free -- GateVars holds root-mastered StringVars bound
to labels. The typed-in fields did not: amount, per, meal name and the four
macro cells were bare tk.Entry widgets, so N copies would have been N
independent forms. They are variable-backed now, which is what makes logging
work from whichever screen the user is actually looking at. The description
box and the suggestion list cannot be shared at all -- tk.Text and tk.Listbox
have no variable -- so those genuinely diverge and reads answer from the copy
the user touched.

The History tab is per-surface too: its grid, budget field and edit button
are driven across every monitor, with the budget likewise variable-backed so
the value cannot differ between screens mid-edit.

Laying the gate out on the primary monitor only was considered and rejected:
not having to hunt for the screen the form landed on is the entire point of
per-output locking.

Tests: the suite hung rather than failed on first run -- diet_guard patches
its own `tk`, but LockWindow builds Toplevels through gatelock's, and real
tkinter over a MagicMock root recurses without bound. `_hermetic_gatelock`
closes that and redirects the runtime dir so no test can stand a production
locker down. Every other test runs single-output, where fan-out is
unobservable, so test_gatelock_fanout runs on two; each assertion was checked
by cropping the fan-out loops to the first surface and confirming it goes red.

_gatelock_ui and _gatelock_calendar were each split in two to stay under the
500-line limit, and GateVars' typed-in fields moved into a nested
GateEntryVars rather than raising pylint's attribute cap.

470 tests, 100% branch coverage, pre-commit clean, no lint suppressions.
2026-07-25 16:56:13 +02:00

17 lines
484 B
Python

"""Shared spacing scale for the diet_guard gate (tokens.md's 4px scale).
Split out so :mod:`._gatelock_ui` and :mod:`._gatelock_calendar` pick
``pady``/``padx``/``ipady`` values from one deliberate scale instead of
each row inventing its own gap -- see ``DESIGN_AUDIT_TODO.md``. Values are
the px steps from ``~/utils/unified-design-system/tokens.md``'s spacing
scale, used directly as Tk pixel counts.
"""
from __future__ import annotations
XS = 4
SM = 8
MD = 16
LG = 24
XXL = 48