66 lines
2.1 KiB
Bash
Executable File
66 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2021 Jesús E. <heckyel@hyperbola.info>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# One of the following: xrandr, xbacklight, kernel
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METHOD="xbacklight"
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case "${BLOCK_BUTTON}" in
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1) xbacklight -inc 5 ;; # Left click
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3) xbacklight -dec 5 ;; # Right click
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esac
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URGENT_VALUE=10
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case "${METHOD}" in
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xrandr) device="${BLOCK_INSTANCE:-primary}"
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xrandrOutput=$(xrandr --verbose)
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case "${device}" in
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primary) device=$(echo "${xrandrOutput}" | grep 'primary' | head -n 1 | awk -F ' ' '{print $1}') ;;
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esac
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curBrightness=$(echo "${xrandrOutput}" | grep "${device}" -A 5 | grep -i "Brightness" | awk -F ':' '{print $2}')
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;;
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kernel) device="${BLOCK_INSTANCE:-intel_backlight}"
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maxBrightness=$(cat "/sys/class/backlight/${device}/max_brightness")
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curBrightness=$(cat "/sys/class/backlight/${device}/brightness")
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;;
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xbacklight) curBrightness=$(xbacklight -get) ;;
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esac
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if [[ "${curBrightness}" -le 0 ]]; then
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exit
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fi
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case "${METHOD}" in
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xrandr) percent=$(echo "scale=0;${curBrightness} * 100" | bc -l) ;;
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kernel) percent=$(echo "scale=0;${curBrightness} * 100 / ${maxBrightness}" | bc -l) ;;
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xbacklight) percent=$(echo "scale=0;${curBrightness}" | bc -l) ;;
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esac
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percent=${percent%.*}
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if [[ "${percent}" -le 0 ]]; then
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exit
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fi
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echo "${percent}%"
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echo "${percent}%"
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echo ""
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if [[ "${percent}" -le "${URGENT_VALUE}" ]]; then
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exit 33
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fi
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