37 lines
971 B
Plaintext
37 lines
971 B
Plaintext
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#!/usr/bin/env bash
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# You can call this script like this:
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# $ ./brightnessControl.sh up
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# $ ./brightnessControl.sh down
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# Script inspired by these wonderful people:
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# https://github.com/dastorm/volume-notification-dunst/blob/master/volume.sh
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# https://gist.github.com/sebastiencs/5d7227f388d93374cebdf72e783fbd6a
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function get_brightness {
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brightnessctl -m | grep -o '[0-9]\+%' | head -c-2
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}
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function send_notification {
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icon="notification-display-brightness"
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brightness=$(get_brightness)
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# Make the bar with the special character ─ (it's not dash -)
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# https://en.wikipedia.org/wiki/Box-drawing_character
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bar=$(seq -s "━" 0 $((brightness / 2)) | sed 's/[0-9]//g')
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# Send the notification
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dunstify -i "$icon" -r 5555 -u normal " $bar"
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}
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case $1 in
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up)
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# increase the backlight by 5%
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brightnessctl set +5%
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send_notification
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;;
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down)
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# decrease the backlight by 5%
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brightnessctl set 5%-
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send_notification
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;;
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esac
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