init
commit
06434a4935
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#!/bin/bash
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# parses upower -e and grabs device/battery level
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usage() {
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cat <<EOF
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usage $0: [-i][-d][-b][-c][-h]
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Options:
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-b, --battery-icon uses battery level NF icon instead of percentage
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-c, --color enables polybar color codes
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-d, --dev-icon uses device NF icon instead of name
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-i, --icon-test prints all icons used to test rendering
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-h, --help shows this message
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EOF
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}
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LOW_BATTERY_THRESHOLD=15
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LOW_BATTERY_COLOR='%{F#F00}' # polybar red
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CHARGING_COLOR='%{F#0F0}' # polybar green
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MOUSE_ICON=$(echo -e '\Uf098b') # bt mouse
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HEADSET_ICON=$(echo -e '\Uf0970')
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battery_icon() {
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# grabs corresponding battery level icon
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if [ "$2" == "charging" ] ; then
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# mouse is charging, battery icon represents
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if [ $1 -gt 95 ] ; then
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echo -e '\Uf0085'
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elif [ $1 -gt 85 ] ; then
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echo -e '\Uf008b'
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elif [ $1 -gt 75 ] ; then
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echo -e '\Uf008a'
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elif [ $1 -gt 65 ] ; then
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echo -e '\Uf089e'
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elif [ $1 -gt 55 ] ; then
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echo -e '\Uf0089'
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elif [ $1 -gt 45 ] ; then
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echo -e '\Uf089d'
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elif [ $1 -gt 35 ] ; then
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echo -e '\Uf0088'
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elif [ $1 -gt 25 ] ; then
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echo -e '\Uf0087'
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elif [ $1 -gt 15 ] ; then
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echo -e '\Uf0086'
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elif [ $1 -gt 5 ] ; then
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echo -e '\Uf089c'
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else
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echo -e '\Uf089f'
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fi
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else
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# regular battery icon
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if [ $1 -gt 95 ] ; then
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echo -e '\Uf0079'
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elif [ $1 -gt 85 ] ; then
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echo -e '\Uf0081'
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elif [ $1 -gt 75 ] ; then
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echo -e '\Uf0081'
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elif [ $1 -gt 65 ] ; then
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echo -e '\Uf0080'
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elif [ $1 -gt 55 ] ; then
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echo -e '\Uf007f'
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elif [ $1 -gt 45 ] ; then
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echo -e '\Uf007e'
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elif [ $1 -gt 35 ] ; then
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echo -e '\Uf007d'
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elif [ $1 -gt 25 ] ; then
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echo -e '\Uf007c'
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elif [ $1 -gt 15 ] ; then
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echo -e '\Uf007b'
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elif [ $1 -gt 5 ] ; then
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echo -e '\Uf007a'
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else
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echo -e '\Uf008e'
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fi
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fi
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}
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icon_test() {
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echo "Icon test for $1. (0-100)"
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for ((i=-4; i<=100; i+=10)); do
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battery_icon $i "$1"
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done
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}
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identifier() {
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# returns device name or icon based on options; dev in $1
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if [ -n "$DEV_ICON" ] ; then
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if [ -n "$(upower -i "$1" | grep 'mouse')" ] ; then
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printf '%s ' "$MOUSE_ICON"
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fi
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if [ -n "$(upower -i "$1" | grep 'headset')" ] ; then
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printf '%s ' "$HEADSET_ICON"
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fi
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else
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printf '%s' "$(upower -i "$1" | grep 'model:' | awk '{print $2}')"
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fi
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}
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battery() {
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# gets device battery level; dev in $1
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level=$(upower -i "$1" | grep 'percentage:' | awk '{print $2}' | tr -d '%')
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state=$(upower -i "$1" | grep 'state:' | awk '{print $2}')
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if [ "$state" == "unknown" ] ; then
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# override to always show if device asleep
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echo -e '\Uf04b2 ' && exit 0
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fi
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color "$state" $level
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if [ -n "$BATTERY_ICON" ] ; then
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battery_icon $level "$state"
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else
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printf '%d%%' $level
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fi
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}
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color() {
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# sets battery color based on passed params
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if [ -n "$COLOR" ] ; then
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if [ "$1" == "charging" ] ; then
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echo "$CHARGING_COLOR"
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elif [ $2 -le $LOW_BATTERY_THRESHOLD ] ; then
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echo "$LOW_BATTERY_COLOR"
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fi
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fi
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}
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# parsing long args
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for arg in "$@"; do
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shift
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case "$arg" in
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'--help') set -- "$@" '-h' ;;
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'--color') set -- "$@" '-c' ;;
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'--icon-test') set -- "$@" '-i' ;;
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'--dev-icon') set -- "$@" '-d' ;;
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'--battery-icon') set -- "$@" '-b' ;;
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*) set -- "$@" "$arg" ;;
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esac
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done
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# parsing args
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while getopts "hcidb" opt ; do
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case "$opt" in
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'h')
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usage
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exit 0
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;;
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'c')
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COLOR=true
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;;
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'i')
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echo "Headset: $HEADSET_ICON"
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echo "Mouse: $MOUSE_ICON"
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icon_test "default"
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icon_test "charging"
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exit 0
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;;
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'd')
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DEV_ICON=true
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;;
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'b')
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BATTERY_ICON=true
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;;
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'?')
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usage
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exit 1
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;;
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esac
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done
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# go through devs
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devs=$(upower -e | grep -v "DisplayDevice") # don't use the monitor
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for dev in $devs; do
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# getting device info
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dev_id=$(identifier "$dev")
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dev_battery=$(battery "$dev")
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printf ' %s %s' "$dev_id" "$dev_battery"
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done
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echo
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