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Add Dark mode for a screen beside the bed, with every colour in one table (0.2.63)

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Dark mode is a new switch under Brightness on the screen's settings page, in
the Screen settings of ESP Screens and as switch.<screen>_dark_mode in Home
Assistant, so an automation can turn it on at bedtime. The screen changes
look at once, open cards and an alert included, and keeps it after a
restart. The design stays the same: a black page, graphite cards with a
hairline, soft white text, Home Assistant's state colours where they tell
something, and pastel card colours as deeper versions of themselves.

Every colour the firmware chooses now lives in components/smart_display/
theme.h: roles with a light and a dark value, the named card colours and
Home Assistant's state colours. The board profiles give widgets colourless
shared styles that theme.h fills, so a change of look refills those styles
and draws again what code painted by state. The light look is unchanged
apart from merges below one panel step. Dark mode costs 440 bytes of static
RAM on the CYD, and the LVGL tree of the host build is 416 bytes smaller; tests
keep colours out of every other file.

Comparing a screen that switched looks with one that booted in it also
found two older bugs, now fixed: a settings switch that was on showed its
knob at the left whenever its page was drawn, and the sun card's sunlit
area turned orange after a palette change. Firmware 0.2.54.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Max Gramser
2026-09-17 12:07:03 +02:00
parent 8971ab07e1
commit bc2a754706
40 changed files with 1885 additions and 1363 deletions
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screen_manager/CHANGELOG.md
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## 0.2.63 (firmware 0.2.54)
Dark mode, for a screen beside the bed.
- **Dark mode** is a new switch under **Brightness** on the screen's settings page, in the **Screen settings** of ESP Screens and as `switch.<screen>_dark_mode` in Home Assistant, so an automation can turn it on at bedtime and off in the morning. The screen switches at once, open cards and an alert included, and keeps the look after a restart.
- **The same design, darker.** Nothing moves: a black page, graphite cards with a fine edge, soft white text and grey secondary words. Home Assistant's colours stay where they tell you something: an amber lamp that is on, the orange of heating, the blue of a chosen key, the lines of a history graph. Pastel card colours become deep versions of the same colour, and a pale colour is lifted just enough to read on graphite.
- **Every screen has it:** the tiles and their keys and sliders, the top bar, the weather, climate, light, cover, vacuum and history cards, the settings page, the alert and the busy spinner, on the CYD and the Guition.
- **One place for colours.** Every colour the firmware draws now comes from one table (`components/smart_display/theme.h`) with a light and a dark value; the board profiles no longer write colours of their own. The light look is unchanged.
- **A switch on the settings page shows where it is.** A switch that was on showed its knob at the left each time a settings page opened or turned, until you changed a setting. It now sits at the right from the first moment, which matters now that turning on Dark mode draws the page again.
- **The sun card keeps its sunlight.** The area under the sun's arc turned orange after the card changed state and yellow again a minute later. It stays the soft yellow of the sun.
- Needs firmware 0.2.54: press **Update** on the screen. ESP Screens shows the Dark mode switch only for a screen that has it.
## 0.2.62 (firmware 0.2.53)
On or off at a glance, in Home Assistant's words and colours.