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arthur-os/bin/omarchy-brightness-display

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#!/bin/bash
# omarchy:summary=Show or adjust brightness on the most likely display device.
# omarchy:args=[--no-osd] [+N%|N%-|N%|off|on]
# omarchy:examples=omarchy brightness display | omarchy brightness display +5% | omarchy brightness display --no-osd 50% | omarchy brightness display off | omarchy brightness display on
no_osd=0
args=()
for arg in "$@"; do
if [[ $arg == "--no-osd" ]]; then
no_osd=1
else
args+=("$arg")
fi
done
set -- "${args[@]}"
# Get the brightness of the passed display
display_brightness() {
brightnessctl -d "$1" -m 2>/dev/null | awk -F, '{ gsub("%", "", $4); print $4; found=1 } END{ exit !found }'
}
if (( $# == 0 )); then
if omarchy-hyprland-monitor-focused-apple; then
omarchy-brightness-display-apple
exit
fi
device="$(omarchy-hw-display)" || exit 1
display_brightness "$device"
exit
fi
step="$1"
if [[ $step == "off" ]]; then
hyprctl dispatch 'hl.dsp.dpms({ action = "disable" })' >/dev/null 2>&1
exit 0
elif [[ $step == "on" ]]; then
hyprctl dispatch 'hl.dsp.dpms({ action = "enable" })' >/dev/null 2>&1
exit 0
fi
# Drop overlapping brightness key events so concurrent invocations do not race.
# Hardware key repeat present on some devices can otherwise glitch OSD rendering.
exec {lock_fd}>"${XDG_RUNTIME_DIR:-/tmp}/omarchy-brightness-display.lock"
flock -n "$lock_fd" || exit 0
if omarchy-hyprland-monitor-focused-apple; then
if (( no_osd )); then
omarchy-brightness-display-apple --no-osd "$step"
else
omarchy-brightness-display-apple "$step"
fi
exit
fi
# Current device highlighted
device="$(omarchy-hw-display)" || exit 1
# Current brightness percentage
current=$(display_brightness "$device") || exit 1
# 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 brightness of the display device.
brightnessctl -d "$device" set "$step" >/dev/null
# Show the new brightness in OSD
(( no_osd )) || omarchy-osd -i brightness -p "$(display_brightness "$device")"