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56 lines
1.5 KiB
56 lines
1.5 KiB
#!/bin/bash |
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# redshift-adjust — Script for manually adjusting the colour temperature with hotkeys |
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# Copyright © 2014, 2015 Mattias Andrée (maandree@member.fsf.org) |
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# Copyright © 2015 "tPenguinLTG" |
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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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file="/tmp/.${UID}.${DISPLAY}.redshift-adjust" |
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if [ ! $# = 1 ] || [ "${1}" = "-h" ] || [ "${1}" = "--help" ]; then |
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cat <<EOF |
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$0 =TEMP Set colour temperature to TEMP K |
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$0 +TEMP Increase colour temperature by TEMP K |
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$0 -TEMP Decrease colour temperature by TEMP K |
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$0 -p Print the current temperature |
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EOF |
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if [ $# = 1 ]; then |
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exit 0 |
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fi |
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exit 1 |
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fi |
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if [ ! -e "${file}" ]; then |
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echo 6500 > "${file}" |
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fi |
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if [ "${1}" = "-p" ] || [ "${1}" = "--print" ]; then |
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cat "${file}" |
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exit 0 |
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fi |
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if [ "${1::1}" = "=" ]; then |
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temperature="${1:1}" |
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else |
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temperature=$(( $(cat "${file}") ${1::1} ${1:1} )) |
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fi |
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redshift -P -O $temperature || redshift -O $temperature |
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echo $temperature > "${file}" |
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