2022-08-16 21:34:03 +02:00

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#!/bin/sh
# Prints all batteries, their percentage remaining and an emoji corresponding
# to charge status (🔌 for plugged up, 🔋 for discharging on battery, etc.).
# Increase/decrease brightness with x%
update_brightness() {
# Increase or decrease brightness?
echo "$1" | grep -q '-' \
&& readonly action="-dec $(echo "$1" | sed 's/-//')" \
|| readonly action="-inc $1"
# If xbacklight returns non-zero, we might have an OLED screen -> use xrandr to change the gamma
if ! xbacklight $action ; then
xrandr | grep connected | grep -v dis | cut -d' ' -f1 | while read monitor; do
brightness_current="$(xrandr --current --verbose | grep "$monitor" -A 5 | grep Brightness | cut -d' ' -f2)"
brightness_new="$(echo "$brightness_current * ((100+$1)/100)" | bc -l | sed 's/0*$//')"
xrandr --output "$monitor" --brightness "$brightness_new"
done
fi
}
case $BLOCK_BUTTON in
3) notify-send "🔋 Battery module" "🔋: discharging
🛑: not charging
♻: stagnant charge
🔌: charging
⚡: charged
❗: battery very low!
- Scroll to change adjust xbacklight." ;;
4) update_brightness 10 ;;
5) update_brightness -10 ;;
6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac
# Loop through all attached batteries and format the info
for battery in /sys/class/power_supply/BAT?*; do
# If non-first battery, print a space separator.
[ -n "${capacity+x}" ] && printf " "
# Sets up the status and capacity
case "$(cat "$battery/status" 2>&1)" in
"Full") status="⚡" ;;
"Discharging") status="🔋" ;;
"Charging") status="🔌" ;;
"Not charging") status="🛑" ;;
"Unknown") status="♻️" ;;
*) exit 1 ;;
esac
capacity="$(cat "$battery/capacity" 2>&1)"
# Will make a warn variable if discharging and low
[ "$status" = "🔋" ] && [ "$capacity" -le 25 ] && warn="❗"
# Prints the info
printf "%s%s%d%%" "$status" "$warn" "$capacity"; unset warn
done && printf "\\n"