nixdots/home/programs/graphical/bars/eww/config/scripts/volume
ItsDrike ac23da55c5
Add eww bar
This configuration was simply copied from my old Arch Linux system.
There are some issues that still need to be solved, namely with fonts
and missing bitcoin price script, but it's mostly minor.
2024-06-20 14:05:43 +02:00

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#!/bin/env bash
# Define some icons
SPEAKER_ICONS=("" "" "")
SPEAKER_MUTED_ICON=""
MIC_ICON=""
MIC_MUTED_ICON=""
# Define some helper functions for getting/setting audio data using wireplumber (wpctl)
# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
get_vol() {
wpctl get-volume "@DEFAULT_AUDIO_${1}@" | awk '{print int($2*100)}'
}
# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
# #2 is the voulme (as percentage) to set the volume to
# $3 is optional, if set, it can be '+' or '-', which then adds/decreases volume, instead of setting
set_vol() {
wpctl set-volume "@DEFAULT_AUDIO_${1}@" "$(awk -v n="$2" 'BEGIN{print (n / 100)}')$3"
}
# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
check_mute() {
wpctl get-volume "@DEFAULT_AUDIO_${1}@" | grep -i muted >/dev/null
echo $?
}
# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
toggle_mute() {
wpctl set-mute "@DEFAULT_AUDIO_${1}@" toggle
}
get_report() {
spkr_vol="$(get_vol "SINK")"
mic_vol="$(get_vol "SOURCE")"
if [ "$(check_mute "SINK")" == "0" ]; then
spkr_mute="true"
spkr_icon="$SPEAKER_MUTED_ICON"
else
spkr_mute="false"
index="$(awk -v n="$spkr_vol" -v m="${#SPEAKER_ICONS[@]}" 'BEGIN{print int(n/(100/m))}')"
# We might end up with an higher than the length of icons, if the volume is over 100%
# in this case, set the index to last icon
if [ "$index" -ge "${#SPEAKER_ICONS[@]}" ]; then
spkr_icon="${SPEAKER_ICONS[-1]}"
else
spkr_icon="${SPEAKER_ICONS[$index]}"
fi
fi
if [ "$(check_mute "SOURCE")" = "0" ]; then
mic_mute="true"
mic_icon="$MIC_MUTED_ICON"
else
mic_mute="false"
mic_icon="$MIC_ICON"
fi
echo "{ \"speaker_vol\": \"$spkr_vol\", \"speaker_mute\": $spkr_mute, \"speaker_icon\": \"$spkr_icon\", \"microphone_mute\": $mic_mute, \"microphone_vol\": \"$mic_vol\", \"microphone_icon\": \"$mic_icon\" }"
}
# Continually run and report every volume change (into stdout)
loop() {
get_report
pactl subscribe | grep --line-buffered "change" | while read -r _; do
get_report
done
}
case "$1" in
"loop") loop ;;
"once") get_report ;;
"togglemute")
if [ "$2" != "SOURCE" ] && [ "$2" != "SINK" ]; then
>&2 echo "Invalid usage, expected second argument to be 'SINK' or 'SOURCE', got '$2'"
exit 1
fi
toggle_mute "$2"
;;
"setvol")
if [ "$2" != "SOURCE" ] && [ "$2" != "SINK" ]; then
>&2 echo "Invalid usage, expected second argument to be 'SINK' or 'SOURCE', got '$2'"
exit 1
fi
if [[ "$3" =~ ^[+-]?[0-9]*\.?[0-9]+$ ]]; then
case "$4" in
"") set_vol "$2" "$3" ;;
up | +) set_vol "$2" "$3" "+" ;;
down | -) set_vol "$2" "$3" "-" ;;
*)
>&2 echo "Invalid usage, expected fourth argument to be up/down or +/-, got '$4'"
exit 1
;;
esac
else
>&2 echo "Invalid usage, exepcted third argument to be a number, got '$3'"
exit 1
fi
;;
*)
>&2 echo "Invalid usage, argument '$1' not recognized."
exit 1
;;
esac