mirror of
https://github.com/artizirk/dotfiles.git
synced 2024-11-16 22:20:59 +02:00
48 lines
1.5 KiB
Bash
Executable File
48 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
current=`xbacklight -get`
|
|
# alternatively, if xbacklight does not work:
|
|
# current=`qdbus org.gnome.SettingsDaemon.Power /org/gnome/SettingsDaemon/Power org.gnome.SettingsDaemon.Power.Screen.GetPercentage`
|
|
|
|
scale="1 2 5 10 20 50 100"
|
|
|
|
case $1 in
|
|
"down")
|
|
# translate space to newline so tac will reverse order of lines (values)
|
|
for val in $(tr ' ' '\n' <<< $scale | tac) ; do
|
|
# scale = 3 to preserve some decimal values
|
|
if (( $(bc <<< "scale=3 ; $val < $current/1.1") )) ; then
|
|
newval=$val
|
|
break
|
|
fi
|
|
done
|
|
;;
|
|
"up")
|
|
for val in $scale ; do
|
|
# scale = 3 to preserve some decimal values
|
|
if (( $(bc <<< "scale=3 ; $val > $current*1.1") )) ; then
|
|
newval=$val
|
|
break
|
|
fi
|
|
done
|
|
;;
|
|
*)
|
|
echo "Usage: $0 [up, down]"
|
|
exit 1
|
|
esac
|
|
|
|
if [ "x$newval" == "x" ] ; then
|
|
echo "Already at min/max."
|
|
else
|
|
echo "Setting backlight to $newval."
|
|
|
|
# thanks: https://bbs.archlinux.org/viewtopic.php?pid=981217#p981217
|
|
notify-send " " -i notification-display-brightness-low -h int:value:$newval -h string:x-canonical-private-synchronous:brightness &
|
|
|
|
xbacklight -set $newval -steps 1 -time 0
|
|
# alternatively, if xbacklight does not work:
|
|
# qdbus org.gnome.SettingsDaemon.Power /org/gnome/SettingsDaemon/Power org.gnome.SettingsDaemon.Power.Screen.SetPercentage $newval
|
|
fi
|
|
|
|
exit 0
|