jochen
1d4de00603
rofi, clipmenu, feh, i3status-rust and the laptop's model module wrote files into i3's config.d, naming no dependency on the window manager. They now contribute their lines; i3 places them under a line naming each module, and config.d is the operator's alone. The catalogue-wide test composes the contributions as the controller does and checks the whole with i3 -C.
55 lines
2.6 KiB
Markdown
55 lines
2.6 KiB
Markdown
# feh
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The wallpaper as a module (novox/hq ADR 0208, research 026/05).
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- Installs `feh` and requires `x11-display` on its own machine. It holds no seat: a wallpaper is not a
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role anything else calls.
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- **Carries the wallpaper itself.** `wallpaper/default.jpg` is built into an archive of the module
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(ADR 0205) and unpacked into `~/.local/share/feh/wallpapers/`, which the module owns.
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- Owns `~/.fehbg`, which sets that image, filled, on every monitor, without rewriting itself
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(`--no-fehbg`).
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- Runs `~/.fehbg` once per session, from the session's start (the `xinitrc` slot `normal`).
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- Binds `$mod+Shift+b` to the same file, as its own i3 drop-in (`50-feh.conf`): the declared wallpaper
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back, after a monitor change.
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## Tools
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| tool | does |
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|---|---|
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| `feh_set` | set images (one for all monitors, or one each) in a mode: fill, center, max, scale, tile. For this session; the declared wallpaper returns at the next login |
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| `feh_current` | the declared wallpaper (from `~/.fehbg`) and the one `feh_set` put up in this session |
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`feh_set` never writes `~/.fehbg`. A wallpaper that should stay is a change to this module, or a
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setting once issue 168 closes, not a file the next push would overwrite.
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## What it improves on what was found
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- **The wallpaper no longer lives in the predecessor's tree.** `~/.fehbg` pointed into a directory
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of the retired predecessor's. Deleting that directory would have left the desktop black, silently.
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- **One image file, the same on both workstations.** The image was byte-identical on both. It is now
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the module's own.
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## What it leaves as found
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- The predecessor's wallpaper directory. It is part of the predecessor's tree, which goes as a whole.
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## Migration (ADR 0182)
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- The first push keeps the found `~/.fehbg` once, then writes the module's.
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- Once the `xorg` module writes the session's start, delete the `~/.fehbg &` line from your own part
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of `~/.xinitrc`.
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- The image's origin is the predecessor's desktop module. Check that it may be redistributed before
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this catalogue is published anywhere public.
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## Blockers
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- `x11-display` and the `xinitrc` slot are ADR 0208's. Until the controller knows them, `mctl` reads
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them as unknown.
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## Its i3 lines are a contribution (changed 2026-10-05, novox/hq ADR 0212)
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The module no longer writes a file into i3's `config.d`. Its window-manager lines (the source is still
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under `files/i3/` where it had one) are a contribution to `node-display-session`. The i3 module places
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them in its own configuration under a `# <module>` line, so this module depends on a window manager
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being assigned beside it.
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