Initial commit

home/.config/eww/scripts/volume

@@ -0,0 +1,114 @@
+#!/bin/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() {
+  pactl subscribe | grep --line-buffered "change" | while read -r _; do
+    get_report
+  done
+}
+
+case "$1" in
+  "loop") 
+    get_report
+    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