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#!/bin/sh
case $BLOCK_BUTTON in
3) notify-send "🔆 Backlight module
- Scroll up & down changes screen brightness
- Shift + Scroll up & down changes monitor backlight" ;;
4) pkexec brillo -A 5 -q ;;
5) pkexec brillo -U 5 -q ;;
6) setsid -f "$TERMINAL" -e "$EDITOR" "$0" ;;
9) monitorbright -inc 5 ;;
10) monitorbright -dec 5 ;;
esac
xrandr_verbose=$(xrandr --verbose)
monitors=$(echo "$xrandr_verbose" | grep -i '\sconnected' | grep '[0-9]x[0-9]' | cut -d ' ' -f1)
monitor_brightness=""
for monitor in $monitors; do
case "$monitor" in
*DP* | *DisplayPort* | *HDMI*)
b=$(echo "$xrandr_verbose" | grep -i "^$monitor connected" -A5 | grep -i "Brightness:" | cut -d ' ' -f2)
[ -n "$b" ] && { monitor_brightness=$(printf "%.0f" "$(echo "$b * 100" | bc -l)"); break; }
;;
esac
done
if [ -r /sys/class/backlight/*/brightness ]; then
curr_brightness=$(cat /sys/class/backlight/*/brightness)
max_brightness=$(cat /sys/class/backlight/*/max_brightness)
brightness_per=$((100 * curr_brightness / max_brightness))
printf "%s %s\n" "💡${brightness_per}%" "🪟${monitor_brightness}%"
else
[ -n "$monitor_brightness" ] && printf "%s\n" "🪟${monitor_brightness}%"
fi
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