dotfiles/.config/i3/scripts/volume_brightness.sh
2023-09-07 19:20:39 +02:00

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#!/bin/bash
# original source: https://gitlab.com/Nmoleo/i3-volume-brightness-indicator
# taken from here: https://gitlab.com/Nmoleo/i3-volume-brightness-indicator
# See README.md for usage instructions
bar_color="#7f7fff"
volume_step=1
brightness_step=2.5
max_volume=100
# Uses regex to get volume from pactl
function get_volume {
pactl get-sink-volume @DEFAULT_SINK@ | grep -Po '[0-9]{1,3}(?=%)' | head -1
}
# Uses regex to get mute status from pactl
function get_mute {
pactl get-sink-mute @DEFAULT_SINK@ | grep -Po '(?<=Mute: )(yes|no)'
}
# Uses regex to get brightness from xbacklight
function get_brightness {
xbacklight | grep -Po '[0-9]{1,3}' | head -n 1
}
# Returns a mute icon, a volume-low icon, or a volume-high icon, depending on the volume
function get_volume_icon {
volume=$(get_volume)
mute=$(get_mute)
if [ "$volume" -eq 0 ] || [ "$mute" == "yes" ] ; then
volume_icon=""
elif [ "$volume" -lt 50 ]; then
volume_icon=""
else
volume_icon=""
fi
}
# Always returns the same icon - I couldn't get the brightness-low icon to work with fontawesome
function get_brightness_icon {
brightness_icon=""
}
# Displays a volume notification using dunstify
function show_volume_notif {
volume=$(get_mute)
get_volume_icon
dunstify -i audio-volume-muted-blocking -t 1000 -r 2593 -u normal "$volume_icon $volume%" -h int:value:$volume -h string:hlcolor:$bar_color
}
# Displays a brightness notification using dunstify
function show_brightness_notif {
brightness=$(get_brightness)
get_brightness_icon
dunstify -t 1000 -r 2593 -u normal "$brightness_icon $brightness%" -h int:value:$brightness -h string:hlcolor:$bar_color
}
# Main function - Takes user input, "volume_up", "volume_down", "brightness_up", or "brightness_down"
case $1 in
volume_up)
# Unmutes and increases volume, then displays the notification
pactl set-sink-mute @DEFAULT_SINK@ 0
volume=$(get_volume)
if [ $(( "$volume" + "$volume_step" )) -gt $max_volume ]; then
pactl set-sink-volume @DEFAULT_SINK@ $max_volume%
else
pactl set-sink-volume @DEFAULT_SINK@ +$volume_step%
fi
show_volume_notif
;;
volume_down)
# Raises volume and displays the notification
pactl set-sink-volume @DEFAULT_SINK@ -$volume_step%
show_volume_notif
;;
volume_mute)
# Toggles mute and displays the notification
pactl set-sink-mute @DEFAULT_SINK@ toggle
show_volume_notif
;;
brightness_up)
# Increases brightness and displays the notification
xbacklight -inc $brightness_step -time 0
show_brightness_notif
;;
brightness_down)
# Decreases brightness and displays the notification
xbacklight -dec $brightness_step -time 0
show_brightness_notif
;;
esac