62 lines
1.5 KiB
Bash
62 lines
1.5 KiB
Bash
#!/bin/sh
|
|
|
|
# Set brightness via xbrightness when redshift status changes
|
|
|
|
# Set brightness values for each status.
|
|
# Range from 0 to 100 is valid
|
|
brightness_day="100"
|
|
brightness_transition="60"
|
|
brightness_night="20"
|
|
max=$(cat /sys/class/backlight/intel_backlight/max_brightness)
|
|
actual=$(cat /sys/class/backlight/intel_backlight/actual_brightness)
|
|
|
|
case $1 in
|
|
period-changed)
|
|
case $3 in
|
|
night)
|
|
for (( c=$actual; c > $((( $brightness_night * $max / 100))); c-=1 ))
|
|
do
|
|
echo $c > /sys/class/backlight/intel_backlight/brightness
|
|
sleep .2
|
|
done
|
|
;;
|
|
transition)
|
|
old="$2"
|
|
if [[ "$old" == "none" ]]
|
|
then
|
|
if [[ $actual -lt $(( $brightness_transition * $max / 100 )) ]]
|
|
then
|
|
old="night"
|
|
else
|
|
old="daytime"
|
|
fi
|
|
fi
|
|
case $old in
|
|
night)
|
|
for (( c=$actual; c < $((( $brightness_transition * $max / 100))); c+=1 ))
|
|
do
|
|
echo $c > /sys/class/backlight/intel_backlight/brightness
|
|
sleep .2
|
|
done
|
|
;;
|
|
daytime)
|
|
for (( c=$actual; c > $((( $brightness_transition * $max / 100))); c-=1 ))
|
|
do
|
|
echo $c > /sys/class/backlight/intel_backlight/brightness
|
|
sleep .2
|
|
done
|
|
;;
|
|
esac
|
|
;;
|
|
daytime)
|
|
for (( c=$actual; c < $((( $brightness_day * $max / 100))); c+=1 ))
|
|
do
|
|
echo $c > /sys/class/backlight/intel_backlight/brightness
|
|
sleep .2
|
|
done
|
|
echo $max > /sys/class/backlight/intel_backlight/brightness
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|