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34 lines
975 B
Bash
Executable File
34 lines
975 B
Bash
Executable File
#!/bin/zsh
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screen="HDMI-1"
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dir_icons="/usr/local/bin/icons"
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current_bright_float=$(xrandr --verbose | grep "$screen" -A10000 | grep 'Brightness:' | sed 's/[^0-9,.]//g')
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current_bright_int=$(echo $((current_bright_float*100 + 0.5)) | sed "s/\..*//" ) # cast to int
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if [[ "$1" == "up" || "$1" == "+" ]]; then
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new_bright_int=$(($current_bright_int + 1))
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fi
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if [[ "$1" == "down" || "$1" == "-" ]]; then
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new_bright_int=$(($current_bright_int - 1))
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fi
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if [[ "${#new_bright_int}" -eq 2 ]]; then # cast to float, two-digit number
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new_bright_float=$((0.$new_bright_int))
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fi
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if [[ "${#new_bright_int}" -eq 1 ]]; then # cast to float, one-digit number
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new_bright_float=$((0.0$new_bright_int))
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fi
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if [[ "$new_bright_float" -lt "0" ]]; then # brightness must be positive
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exit
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fi
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xrandr --output $screen --brightness $new_bright_float
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# send notification
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dunstify -a "Screen" \
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"Screen ($screen)" \
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"Brightness: $new_bright_int%" \
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-r 100 \
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-i "$dir_icons"/sun.svg |