initial commit

dotfiles/local/bin/volume

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+# Volume / mic control with a dunst OSD.  usage: volume up|down|mute|micmute|set <n>
+set -uo pipefail
+
+STEP="${VOLUME_STEP:-5}"
+MAX="${VOLUME_MAX:-100}"
+SINK="@DEFAULT_AUDIO_SINK@"
+SOURCE="@DEFAULT_AUDIO_SOURCE@"
+ID=2593   # fixed notification id => the OSD replaces itself instead of stacking
+
+have() { command -v "$1" >/dev/null 2>&1; }
+have wpctl || { echo "wpctl (wireplumber) not found" >&2; exit 1; }
+
+get_volume() {
+  wpctl get-volume "$SINK" | awk '{printf "%d", $2 * 100}'
+}
+is_muted() {
+  wpctl get-volume "$SINK" | grep -q MUTED
+}
+
+osd() {
+  have dunstify || return 0
+  local icon="$1" text="$2" value="$3"
+  dunstify -a osd -u low -r "$ID" -h "int:value:$value" -i "$icon" "$text"
+}
+
+case "${1:-}" in
+  up)
+    wpctl set-mute "$SINK" 0
+    wpctl set-volume -l "$(awk "BEGIN{print $MAX/100}")" "$SINK" "${STEP}%+"
+    ;;
+  down)
+    wpctl set-mute "$SINK" 0
+    wpctl set-volume "$SINK" "${STEP}%-"
+    ;;
+  set)
+    wpctl set-volume -l "$(awk "BEGIN{print $MAX/100}")" "$SINK" "${2:?need a percentage}%"
+    ;;
+  mute)
+    wpctl set-mute "$SINK" toggle
+    ;;
+  micmute)
+    wpctl set-mute "$SOURCE" toggle
+    if wpctl get-volume "$SOURCE" | grep -q MUTED; then
+      osd microphone-sensitivity-muted "Microphone muted" 0
+    else
+      osd microphone-sensitivity-high "Microphone live" 100
+    fi
+    exit 0
+    ;;
+  ""|-h|--help)
+    echo "usage: volume up|down|mute|micmute|set <percent>"; exit 0 ;;
+  *)
+    echo "unknown action: $1" >&2; exit 2 ;;
+esac
+
+vol="$(get_volume)"
+if is_muted; then
+  osd audio-volume-muted "Muted" 0
+elif   (( vol >= 66 )); then osd audio-volume-high   "Volume  ${vol}%" "$vol"
+elif   (( vol >= 33 )); then osd audio-volume-medium "Volume  ${vol}%" "$vol"
+else                         osd audio-volume-low    "Volume  ${vol}%" "$vol"
+fi
+
+# Nudge polybar so the bar updates instantly rather than on its 5s poll
+pkill -RTMIN+1 polybar 2>/dev/null || true