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Keep a long alert title on one line, ending in an ellipsis (0.2.64)

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The title label had long_mode: DOT and a width but no height. LVGL 9.5 only
puts the dots on a label whose wrapped text is taller than the label, so the
label grew with its lines and a long title ran into the subtitle. It now has
one line of the headline font as its height (32 px Guition, 21 px CYD).

The Claude skill and the editor's alert tips said the CYD shows about forty
characters of a title; both screens show about twenty.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Max Gramser
2026-09-17 11:12:54 +02:00
parent bc2a754706
commit e68162bd86
12 changed files with 145 additions and 9 deletions
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@@ -176,6 +176,25 @@ icons sit off-center in the browser); run `generate_packages.py` afterward.
The `MDI_GLYPH_*` substitutions are retired: `TILEn_ICON` in manual
profiles must come from the set. No changed preferences or keys.
### Compatibility 0.2.64 / firmware 0.2.55
Both board profiles, the Claude skill and the editor's alert tips; the app raises `FIRMWARE_VERSION`. Storage, tile
protocol, preferences and keys are unchanged.
- `alert_title` gets `height: ${ALERT_TITLE_H}`, one line of its `headline` font: 32 px on the Guition, 21 px on the CYD.
That is FreeType's size height of Roboto 500 at 27 and 18 px (`hhea` ascender minus descender, scaled and rounded),
which ESPHome 2026.6.2 hands to `lv_font_t.line_height`. LVGL 9.5's `lv_label_refr_text` only puts the dots of
`long_mode: DOT` on a label whose wrapped text is taller than the label, and a label without a height is as tall as
its wrapped text, so a long title wrapped and ran into `alert_subtitle` (y 68 / 44). With one line of height LVGL
breaks that line anywhere and ends it with "...". A title that fits draws the same pixels as before.
- `tests/test_alert.py` computes the line height from the font file and fails when `ALERT_TITLE_H` differs from it or
the title reaches the subtitle: a new `headline` size needs a new `ALERT_TITLE_H` on that board.
- Older firmware keeps wrapping a long title over the subtitle.
- `claude_skill.text()` and the alert tips in `static/index.html` said the CYD shows about forty characters of a title.
FreeType's advances of Roboto 500 give 20-23 characters before the "..." on the Guition (304 px at 27 px) and 24-25
on the CYD (212 px at 18 px), so both now say about twenty. An installed skill shows as outdated until it is
installed again.
### Compatibility 0.2.63 / firmware 0.2.54
Firmware (`components/smart_display`, new `theme.h`), both board profiles and the app's settings. The tile protocol