dotfiles/config/i3/backlight.fish

#!/usr/bin/fish
if pidof ddcutil
    exit 1
end

set brightness (cat /sys/class/backlight/intel_backlight/brightness)
set bar (seq -s "─" 0 (math $brightness / 42) | tr -d '[:digit:]')

set percentage (printf '%16s%d%%' '' (math $brightness / 12))
set body "$percentage\n   $bar"
set title ' Helderheid'

set file /tmp/notify-brightness.id
set age (find "$file" -cmin -0,025)
if [ -n "$age" ]
    notify-send.sh -r (cat "$file") -t 1500 "$title" "$body"
    touch "$file"
else
    set id (notify-send.sh -p -t 1500 "$title" "$body")
    echo $id > "$file"
    chmod 600 "$file"
end

ddcutil setvcp 10 $brightness