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feat(nightlight): menu + Waybar on/off toggle

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Add a runtime toggle for the scheduled blue-light filter, the remaining
optional item on the night-light roadmap entry.

nomarchy-nightlight (nightlight.nix, always on PATH) starts/stops the
hyprsunset *service* rather than poking its runtime gamma: `systemctl
--user is-active` is the single source of truth, the screen restores to
true colours when stopped, and it lets you force the filter off for
colour-sensitive work (even at night) and back on without touching config.
It self-gates — `status` prints nothing when the unit is absent — so the
indicator hides itself when night-light isn't enabled.

- Menu: `nomarchy-menu nightlight` toggles it; a self-gated row in the
  System submenu (shown only when the hyprsunset unit exists).
- Waybar: a self-gating `custom/nightlight` indicator (moon = on, sun =
  off), in the generated bar and both summer whole-swap themes for parity.

Verified: home generation builds, generated waybar config carries
custom/nightlight, the menu has the dispatcher case + System row, both
scripts pass bash -n, and status self-gates to empty with no unit. Pending
an on-machine check that stopping hyprsunset cleanly restores the gamma.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Bernardo Magri
2026-06-18 22:23:12 +01:00
parent 09c308b93c
commit 5c43a93285
9 changed files with 102 additions and 13 deletions
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13
modules/home/rofi.nix
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@@ -178,6 +178,14 @@ let
&& notify-send "Do Not Disturb off" "Notifications resumed."
exit 0 ;;
nightlight)
# Force the scheduled blue-light filter on/off for the session by
# starting/stopping hyprsunset (nomarchy-nightlight, from nightlight.nix).
# Self-gated in the menu; guard here too in case it's invoked directly.
command -v nomarchy-nightlight >/dev/null 2>&1 \
&& exec nomarchy-nightlight toggle
notify-send "Night light" "Not available (nomarchy.nightlight off?)."; exit 0 ;;
snapshot)
# btrfs-assistant: snapshot browse / diff / restore / rollback over
# snapper, elevating via polkit. Shipped system-side with
@@ -219,6 +227,8 @@ let
row "Network" network-wireless
row "Bluetooth" bluetooth
row "Do Not Disturb" notification-disabled
systemctl --user cat hyprsunset.service >/dev/null 2>&1 \
&& row "Night light" weather-clear-night
command -v btrfs-assistant >/dev/null 2>&1 && row "Snapshots" timeshift
if [ -e "''${bats[0]}" ] && command -v powerprofilesctl >/dev/null 2>&1; then
row "Power profile" preferences-system-power
@@ -229,6 +239,7 @@ let
*Network*) exec "$0" network ;;
*Bluetooth*) exec "$0" bluetooth ;;
*"Do Not Disturb"*) exec "$0" dnd ;;
*"Night light"*) exec "$0" nightlight ;;
*Snapshots*) exec "$0" snapshot ;;
*"Power profile"*) exec "$0" power-profile ;;
*Back*) exec "$0" ;;
@@ -256,7 +267,7 @@ let
esac ;;
*)
echo "usage: nomarchy-menu [tools|system|power|power-profile|theme|clipboard|calc|files|emoji|web|network|bluetooth|capture|keybinds|ask|dnd|snapshot]" >&2
echo "usage: nomarchy-menu [tools|system|power|power-profile|theme|clipboard|calc|files|emoji|web|network|bluetooth|capture|keybinds|ask|dnd|nightlight|snapshot]" >&2
exit 64 ;;
esac
'';