; this is taking up too much CPU time

(defpoll brightness-1 :interval "2s" "ddcutil -d 1 getvcp 10 | awk '{ split($9, a, \",\"); print a[1]}'")

(defwidget brightness []
  (eventbox :onscroll "sh widgets/brightness/change-brightness.sh {} ${brightness-1 + 0}"
    (label :text "󰃞  ${substring(brightness-1, 0, 2)}")
  )
)