Files
arthur-os/bin/omarchy-brightness-display
T
d2a4cc0c4d Add omarchy CLI (#5477)
* Add omarchy CLI

* Remove outdated or internal

* Add bash completions for command

* Add omarchy command documentation

* Add missing docs

* Correct to what's now right

* Fix tests

---------

Co-authored-by: David Heinemeier Hansson <david@hey.com>
2026-05-01 17:40:22 +02:00

47 lines
1.3 KiB
Bash
Executable File

#!/bin/bash
# omarchy:summary=Adjust brightness on the most likely display device.
# omarchy:args=<step>
step="${1:-+5%}"
# Start with the first possible output, then refine to the most likely given an order heuristic.
device="$(ls -1 /sys/class/backlight 2>/dev/null | head -n1)"
for candidate in amdgpu_bl* intel_backlight acpi_video*; do
if [[ -e /sys/class/backlight/$candidate ]]; then
device="$candidate"
break
fi
done
# Current brightness percentage
current=$(brightnessctl -d "$device" -m | cut -d',' -f4 | tr -d '%')
# Apply non-uniform step size: 1% steps if at or below 5%, otherwise set an
# absolute target percentage to avoid raw backlight rounding causing uneven OSD steps.
if [[ $step == "+5%" ]]; then
if (( current < 5 )); then
(( target = current + 1 ))
else
(( target = current + 5 ))
fi
(( target > 100 )) && target=100
step="$target%"
elif [[ $step == "5%-" ]]; then
if (( current <= 5 )); then
(( target = current - 1 ))
else
(( target = current - 5 ))
fi
(( target < 1 )) && target=1
step="$target%"
fi
# Set the actual brightness of the display device.
brightnessctl -d "$device" set "$step" >/dev/null
# Use SwayOSD to display the new brightness setting.
omarchy-swayosd-brightness "$(brightnessctl -d "$device" -m | cut -d',' -f4 | tr -d '%')"