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Contrib space

Examples

Sway

Add these lines to your Sway config file:

set $WOBSOCK $XDG_RUNTIME_DIR/wob.sock
exec rm -f $WOBSOCK && mkfifo $WOBSOCK && tail -f $WOBSOCK | wob

And bind volume/brightness, so it pipes current value to $WOBSOCK.

bindsym XF86AudioRaiseVolume exec [raise_and_get_volume_command] > $WOBSOCK
bindsym XF86AudioLowerVolume exec [lower_and_get_volume_command] > $WOBSOCK
bindsym XF86AudioMute exec [mute_and_get_volume_command] > $WOBSOCK

bindsym XF86MonBrightnessUp exec [raise_and_get_brigtness_command] > $WOBSOCK
bindsym XF86MonBrightnessDown exec [lower_and_get_brightness_command] > $WOBSOCK

Volume using Alsa

amixer sset Master 5%+ | sed -En 's/.*\[([0-9]+)%\].*/\1/p' | head -1 > $WOBSOCK
amixer sset Master 5%- | sed -En 's/.*\[([0-9]+)%\].*/\1/p' | head -1 > $WOBSOCK
amixer sset Master toggle | sed -En '/\[on\]/ s/.*\[([0-9]+)%\].*/\1/ p; /\[off\]/ s/.*/0/p' > $WOBSOCK

Volume using PulseAudio (pamixer)

bindsym XF86AudioRaiseVolume exec pamixer -ui 2 && pamixer --get-volume > $WOBSOCK
bindsym XF86AudioLowerVolume exec pamixer -ud 2 && pamixer --get-volume > $WOBSOCK
bindsym XF86AudioMute exec pamixer --toggle-mute && ( [ "$(pamixer --get-mute)" = "true" ] && echo 0 > $WOBSOCK ) || pamixer --get-volume > $WOBSOCK

Volume PulseAudio (pactl)

bindsym XF86AudioRaiseVolume exec pactl set-sink-volume @DEFAULT_SINK@ +5% && pactl get-sink-volume @DEFAULT_SINK@ | awk 'NR==1{print substr($5,1,length($5)-1)}' > $WOBSOCK
bindsym XF86AudioLowerVolume exec pactl set-sink-volume @DEFAULT_SINK@ -5% && pactl get-sink-volume @DEFAULT_SINK@ | awk 'NR==1{print substr($5,1,length($5)-1)}' > $WOBSOCK
bindsym XF86AudioMute exec pactl set-sink-mute @DEFAULT_SINK@ toggle && ( [ "$(pactl get-sink-mute @DEFAULT_SINK@)" = "Mute: yes" ] && echo 0 > $WOBSOCK ) || pactl get-sink-volume @DEFAULT_SINK@ | awk 'NR==1{print substr($5,1,length($5)-1)}' > $WOBSOCK

Volume using Pipewire

wpctl set-volume @DEFAULT_AUDIO_SINK@ 2%+ && wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK
wpctl set-volume @DEFAULT_AUDIO_SINK@ 2%- && wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK
wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle && (wpctl get-volume @DEFAULT_AUDIO_SINK@ | grep -q MUTED && echo 0 > $WOBSOCK) || wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK

Volume using Pipewire (alternative, if muted then block vol up/down and show 0):

(wpctl get-volume @DEFAULT_AUDIO_SINK@ | grep -q MUTED && echo 0 > $WOBSOCK) || (wpctl set-volume @DEFAULT_AUDIO_SINK@ 2%+ && wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK)
(wpctl get-volume @DEFAULT_AUDIO_SINK@ | grep -q MUTED && echo 0 > $WOBSOCK) || (wpctl set-volume @DEFAULT_AUDIO_SINK@ 2%- && wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK)
wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle && (wpctl get-volume @DEFAULT_AUDIO_SINK@ | grep -q MUTED && echo 0 > $WOBSOCK) || wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed 's/[^0-9]//g' > $WOBSOCK

Brightness using haikarainen/light:

light -A 5 && light -G | cut -d'.' -f1 > $WOBSOCK
light -U 5 && light -G | cut -d'.' -f1 > $WOBSOCK

Brightness using brightnessctl:

brightnessctl set 5%- | sed -En 's/.*\(([0-9]+)%\).*/\1/p' > $WOBSOCK
brightnessctl set +5% | sed -En 's/.*\(([0-9]+)%\).*/\1/p' > $WOBSOCK

Print the volume as it changes

Instead of configuring a key mapping to show the volume, it's possible to show the current volume automatically any time it changes.

To do so, save the following script as volume.sh, and then execute volume.sh | wob:

#!/bin/sh
# Print the volume followed by newline each time it changes.

get_volume() {
  pactl get-sink-volume "@DEFAULT_SINK@" | \
    awk -F'/' '{print $2}' | awk '{print $1}' | tr -d '%'
}

last_volume=$(get_volume)
echo "$last_volume"

pactl subscribe | while read -r event; do
  case "$event" in
    *" on sink #"*)
      current_volume=$(get_volume)
      if [ "$current_volume" != "$last_volume" ]; then
        echo "$current_volume"
        last_volume="$current_volume"
      fi
      ;;
  esac
done