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#!/usr/bin/env bash
## Script to manage brightness on Archcraft.
# Icons
iDIR='/usr/share/archcraft/icons/dunst'
# Graphics card
CARD=`ls /sys/class/backlight | head -n 1`
# Get brightness
get_backlight() {
if [[ "$CARD" == *"intel_"* ]]; then
BNESS=`xbacklight -get`
LIGHT=${BNESS%.*}
else
LIGHT=$(printf "%.0f\n" `light -G`)
fi
echo "${LIGHT}%"
}
# Get icons
get_icon() {
backlight="$(get_backlight)"
current="${backlight%%%}"
if [[ ("$current" -ge "0") && ("$current" -le "20") ]]; then
icon="$iDIR"/brightness-20.png
elif [[ ("$current" -ge "20") && ("$current" -le "40") ]]; then
icon="$iDIR"/brightness-40.png
elif [[ ("$current" -ge "40") && ("$current" -le "60") ]]; then
icon="$iDIR"/brightness-60.png
elif [[ ("$current" -ge "60") && ("$current" -le "80") ]]; then
icon="$iDIR"/brightness-80.png
elif [[ ("$current" -ge "80") && ("$current" -le "100") ]]; then
icon="$iDIR"/brightness-100.png
fi
}
# Notify
notify_bl() {
get_icon && dunstify -u low -h string:x-dunst-stack-tag:obbacklight -i "$icon" "Brightness : $(get_backlight)"
}
# Increase brightness
inc_backlight() {
if [[ "$CARD" == *"intel_"* ]]; then
xbacklight -inc 10 && notify_bl
else
light -A 5 && notify_bl
fi
}
# Decrease brightness
dec_backlight() {
if [[ "$CARD" == *"intel_"* ]]; then
xbacklight -dec 10 && notify_bl
else
light -U 5 && notify_bl
fi
}
# Execute accordingly
if [[ "$1" == "--get" ]]; then
get_backlight
elif [[ "$1" == "--inc" ]]; then
inc_backlight
elif [[ "$1" == "--dec" ]]; then
dec_backlight
else
get_backlight
fi
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