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Watch screen status on GNU/Linux and change devices lightning modes/colors accordingly
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| #!/bin/bash | |
| # _____ _____ _ _ _ _ _ _ | |
| # / ___| / ___| | | | | | | | | | | | | |
| # \ `--. ___ _ __ ___ ___ _ __ \ `--.| |_ __ _| |_ _ _ ___ | | | | __ _| |_ ___| |__ ___ _ __ | |
| # `--. \/ __| '__/ _ \/ _ \ '_ \ `--. \ __/ _` | __| | | / __| | |/\| |/ _` | __/ __| '_ \ / _ \ '__| | |
| # /\__/ / (__| | | __/ __/ | | | /\__/ / || (_| | |_| |_| \__ \ \ /\ / (_| | || (__| | | | __/ | | |
| # \____/ \___|_| \___|\___|_| |_| \____/ \__\__,_|\__|\__,_|___/ \/ \/ \__,_|\__\___|_| |_|\___|_| | |
| # | |
| # Copyright (C) 2026 Cyril Bosselut | |
| # | |
| # WatchScreenStatus is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. | |
| # | |
| # WatchScreenStatus is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU General Public License | |
| # along with WatchScreenStatus If not, see <http://www.gnu.org/licenses/>. | |
| PID="$$" | |
| v_major=1 | |
| v_minor=1 | |
| v_patch=0 | |
| VERSION="$v_major.$v_minor.$v_patch" | |
| i=1 | |
| sp="/-\|" | |
| DAEMON=false | |
| SHOW_VERSION=false | |
| MEMORY_ANIM_RUNNING=false | |
| mkdir /tmp/wss 2>/dev/null | |
| wss_tmp_file=$(mktemp -p /tmp/wss wss.XXXXX) | |
| state_tmp_file=$(mktemp -p /tmp/wss state.XXXXX) | |
| anim_tmp_file=$(mktemp -p /tmp/wss anim.XXXXX) | |
| RED="FF0000" | |
| GREEN="00FF00" | |
| BLUE="0000FF" | |
| YELLOW="FFFF00" | |
| PINK="FF06B5" | |
| CYAN="00FFFF" | |
| ORANGE="FF2000" | |
| AMBER="FF0400" | |
| GOLD="FF4000" | |
| GPU_MODE_DIRECT="Direct" | |
| GPU_MODE_COLOR_SHIFT="Color Shift" | |
| DEFAULT_MOUSE_COLOR=$ORANGE | |
| DEFAULT_KEYBOARD_COLOR=$ORANGE | |
| DEFAULT_MACRO_KEYBOARD_COLOR=$ORANGE | |
| DEFAULT_GPU_COLOR=$AMBER | |
| DEFAULT_GPU_MODE=$GPU_MODE_DIRECT | |
| DEFAULT_MOTHERBOARD_COLOR=$ORANGE | |
| DEFAULT_MEMORY_COLOR=$ORANGE | |
| DEFAULT_PUMP_COLOR=$ORANGE | |
| DEFAULT_CASE_COLOR="$ORANGE,$ORANGE" | |
| #################################### | |
| # Lian Li hub leds per channel | |
| # Port 1 : 20 | |
| # Port 2 : 80 | |
| # Port 3 : 60 | |
| # Port 4 : 80 | |
| #################################### | |
| MOUSE_COLOR=$DEFAULT_MOUSE_COLOR | |
| KEYBOARD_COLOR=$DEFAULT_KEYBOARD_COLOR | |
| MACRO_KEYBOARD_COLOR=$DEFAULT_KEYBOARD_COLOR | |
| GPU_COLOR=$DEFAULT_GPU_COLOR | |
| GPU_MODE=$DEFAULT_GPU_MODE | |
| MOTHERBOARD_COLOR=$DEFAULT_MOTHERBOARD_COLOR | |
| MEMORY_COLOR_1=$DEFAULT_MEMORY_COLOR | |
| MEMORY_COLOR_2=$DEFAULT_MEMORY_COLOR | |
| CASE_COLOR=$DEFAULT_CASE_COLOR | |
| PUMP_COLOR=$DEFAULT_PUMP_COLOR | |
| STANDBY_COLOR=$RED | |
| PREVIOUS_SCREEN_STATE="unknown" | |
| WSS_RUNNING=true | |
| CASE_NAME="Lian Li Uni Hub - AL" | |
| GPU_NAME="Gigabyte AORUS GeForce RTX 4080 MASTER" | |
| MOTHERBOARD_NAME="MSI MEG Z490 UNIFY (MS-7C71)" | |
| MEMORY_NAME="HyperX Predator RGB" | |
| KEYBOARD_NAME="Razer BlackWidow Chroma V2" | |
| MACRO_KEYBOARD_NAME="Macro Keyboard" | |
| MOUSE_NAME="Roccat Burst Pro" | |
| MEMORY_ZONES=("HyperX Slot 1" "HyperX Slot 2" "HyperX Slot 3" "HyperX Slot 4") | |
| SCREEN_STATE="unknown" | |
| STATE="offline" | |
| MQTT_TIMER=0 | |
| export SCREEN_STATE | |
| export MEMORY_ANIM_RUNNING | |
| export WSS_RUNNING | |
| function print_help { | |
| echo "This script watch the DPMS screen status and update computer lights colors." | |
| echo "The state is also sent to a MQTT node". | |
| echo | |
| echo "Syntax:" | |
| echo " watch_screen_status.sh [-d|h|v]" | |
| echo "options:" | |
| echo " -d Run as a daemon." | |
| echo " -h Print this Help." | |
| echo " -v Print software version and exit." | |
| echo | |
| } | |
| while getopts ":dvh" option; do | |
| case $option in | |
| d) #daemon | |
| DAEMON=true;; | |
| v) #display version | |
| echo $VERSION | |
| exit;; | |
| h) #display help | |
| print_help | |
| exit;; | |
| esac | |
| done | |
| function mqtt_pub { | |
| wss_log "Send status ($STATE) to mqtt broker" | |
| mosquitto_pub -r -t TheHost/status -m "$1" & | |
| } | |
| function onexit { | |
| if [[ $WSS_RUNNING == true ]]; then | |
| wss_log "Stopping WSS" | |
| WSS_RUNNING=false | |
| echo false > "$wss_tmp_file" | |
| updateColors | |
| rm -f "$anim_tmp_file" | |
| rm -f "$state_tmp_file" | |
| rm -f "$wss_tmp_file" | |
| lockfile-remove $LOCK_FILE | |
| fi | |
| exit | |
| } | |
| function wss_log { | |
| now=$(date +"%x %T") | |
| if [[ $DAEMON == false ]]; then | |
| echo "$now - $1" 1>&2 | |
| fi | |
| logger --id="$PID" -t "WSS" "$1" | |
| } | |
| function setStaticColors { | |
| openrgb --loglevel 0 --nodetect \ | |
| -d "$GPU_NAME" -m "$GPU_MODE" -c $GPU_COLOR -b 100 -s 100 \ | |
| -d "$CASE_NAME" -m Runway -c "$CASE_COLOR" -b 100 \ | |
| -d "$MOTHERBOARD_NAME" -m Static -c $MOTHERBOARD_COLOR -b 100 \ | |
| -d "$MOTHERBOARD_NAME" -z 2 -c $PUMP_COLOR -b 100 \ | |
| -d "$MEMORY_NAME" -m Direct -c $MEMORY_COLOR_1 -b 100 \ | |
| -d "$MOUSE_NAME" -m Direct -c $MOUSE_COLOR -b 100 \ | |
| -d "$KEYBOARD_NAME" -m Direct -c $KEYBOARD_COLOR -b 100 \ | |
| -d "$MACRO_KEYBOARD_NAME" -m Direct -c $MACRO_KEYBOARD_COLOR -b 100 1>&2 > /dev/null | |
| rm -f ~/.config/OpenRGB/logs/*.log | |
| } | |
| function animateMemory { | |
| i=0 | |
| d=1 | |
| MEMORY_ANIM_RUNNING=$(cat $anim_tmp_file) | |
| if [[ $MEMORY_ANIM_RUNNING == true ]]; then | |
| wss_log "Memory animation already running" | |
| return | |
| fi | |
| MEMORY_ANIM_RUNNING=true | |
| echo true > "$anim_tmp_file" | |
| wss_log "Starting memory animation" | |
| while [ $SCREEN_STATE == 'on' ]; do | |
| WSS_RUNNING=$(cat $wss_tmp_file) | |
| if [[ $WSS_RUNNING == false ]]; then | |
| MEMORY_ANIM_RUNNING=false | |
| echo false > "$anim_tmp_file" | |
| wss_log "Stopping memory animation" | |
| break | |
| fi | |
| SCREEN_STATE=$(cat $state_tmp_file) | |
| if [[ $SCREEN_STATE == 'on' ]]; then | |
| n=$((i % 4)) | |
| z=0 | |
| if [[ $n == 1 ]]; then | |
| z=2 | |
| elif [[ $n == 2 ]]; then | |
| z=1 | |
| else | |
| z=$n | |
| fi | |
| openrgb --loglevel 0 --nodetect \ | |
| -d "$MEMORY_NAME" -m Direct -c $MEMORY_COLOR_1 -b 100 \ | |
| -d "$MEMORY_NAME" -z $z -c $MEMORY_COLOR_2 -b 100 1>&2 > /dev/null | |
| i=$((i + d)) | |
| if [[ $i == 3 ]]; then | |
| d=-1 | |
| elif [[ $i == 0 ]]; then | |
| d=1 | |
| fi | |
| fi | |
| rm -f ~/.config/OpenRGB/logs/*.log | |
| sleep 0.5 | |
| done | |
| MEMORY_ANIM_RUNNING=false | |
| echo false > "$anim_tmp_file" | |
| wss_log "Memory animation stopped" | |
| } | |
| function getStandbyColor { | |
| if [[ -n ${CUSTOM_STANDBY_COLOR} ]]; then | |
| echo $CUSTOM_STANDBY_COLOR | |
| else | |
| echo $STANDBY_COLOR | |
| fi | |
| } | |
| function setNeoColor { | |
| if [[ $STATE == "asleep" ]]; then | |
| curl -k -s -f https://neo.b1project.com:5000/devices/31/set/lights -d "method=light_color&room=bureau&device=31&args=%7B%22target%22%3A-1%2C+%22color%22%3A%22255,0,0%22%7D" 1>&2 > /dev/null | |
| elif [[ $STATE == "awake" ]]; then | |
| curl -k -s -f https://neo.b1project.com:5000/devices/31/set/lights -d "method=light_color&room=bureau&device=31&args=%7B%22target%22%3A-1%2C+%22color%22%3A%220,0,255%22%7D" 1>&2 > /dev/null | |
| else | |
| curl -k -s -f https://neo.b1project.com:5000/devices/31/set/lights -d "method=light_off&room=bureau&device=31&args=%7B%22target%22%3A-1%2C+%22color%22%3A%22255,0,0%22%7D" 1>&2 > /dev/null | |
| fi | |
| } | |
| function updateColors { | |
| MOUSE_COLOR=$DEFAULT_MOUSE_COLOR | |
| KEYBOARD_COLOR=$DEFAULT_KEYBOARD_COLOR | |
| MACRO_KEYBOARD_COLOR=$DEFAULT_MACRO_KEYBOARD_COLOR | |
| GPU_COLOR=$DEFAULT_GPU_COLOR | |
| GPU_MODE=$DEFAULT_GPU_MODE | |
| MOTHERBOARD_COLOR=$DEFAULT_MOTHERBOARD_COLOR | |
| MEMORY_COLOR_1=$DEFAULT_MEMORY_COLOR | |
| MEMORY_COLOR_2=$DEFAULT_MEMORY_COLOR | |
| PUMP_COLOR=$DEFAULT_PUMP_COLOR | |
| CASE_COLOR=$DEFAULT_CASE_COLOR | |
| if [[ $WSS_RUNNING == false ]]; then | |
| wss_log "Mouse & keyboard switch to default color" | |
| STATE="offline" | |
| setStaticColors | |
| setNeoColor | |
| elif [[ $SCREEN_STATE != "on" ]]; then | |
| color=`getStandbyColor` | |
| wss_log "Standby color: $color" | |
| KEYBOARD_COLOR=$color | |
| MACRO_KEYBOARD_COLOR=$color | |
| MOUSE_COLOR=$color | |
| GPU_COLOR=$color | |
| MOTHERBOARD_COLOR=$color | |
| MEMORY_COLOR_1=$color | |
| MEMORY_COLOR_2=$color | |
| PUMP_COLOR=$color | |
| CASE_COLOR="$color,$color" | |
| STATE="asleep" | |
| wss_log "Mouse, keyboard, case and GPU switch to standby color" | |
| setStaticColors & | |
| setNeoColor & | |
| else | |
| wss_log "Mouse, case and GPU switch to MIAMI preset" | |
| KEYBOARD_COLOR=$BLUE | |
| MACRO_KEYBOARD_COLOR=$BLUE | |
| MOUSE_COLOR="$PINK,$BLUE" | |
| GPU_COLOR="$PINK,$BLUE,$BLUE" | |
| GPU_MODE=$GPU_MODE_COLOR_SHIFT | |
| MOTHERBOARD_COLOR=$BLUE | |
| MEMORY_COLOR_1=$BLUE | |
| MEMORY_COLOR_2=$PINK | |
| PUMP_COLOR=$PINK | |
| CASE_COLOR="$PINK,$BLUE" | |
| STATE="awake" | |
| setStaticColors & | |
| setNeoColor & | |
| sleep 3 | |
| wss_log "Keyboard switch to RAINBOW preset" | |
| polychromatic-cli -e Rainbow2 > /dev/null | |
| animateMemory & | |
| fi | |
| } | |
| function checkDPMSStatus { | |
| DPMS_STATE=`xset q | grep 'DPMS is ' | cut -d' ' -f5| tr '[:upper:]' '[:lower:]'` | |
| if [[ $DPMS_STATE == "disabled" ]]; then | |
| wss_log "Enabling DPMS" | |
| if [[ $DAEMON == false ]]; then | |
| echo "" 1>&2 | |
| fi | |
| xset +dpms | |
| fi | |
| } | |
| function checkScreenStatus { | |
| if [[ $MQTT_TIMER == 30 ]]; then | |
| MQTT_TIMER=0 | |
| fi | |
| #SCREEN_STATE=`xset q | grep 'Monitor is ' | cut -d' ' -f6| tr '[:upper:]' '[:lower:]'` | |
| SCREEN_STATE=`kscreen-doctor --dpms show|cut -d' ' -f6` | |
| if [[ $SCREEN_STATE == "" ]]; then | |
| sleep 0.5 | |
| SCREEN_STATE=`xset q | grep 'Monitor is ' | cut -d' ' -f5| tr '[:upper:]' '[:lower:]'` | |
| if [[ $SCREEN_STATE == "" ]]; then | |
| wss_log "Can't check screen state" | |
| return 0 | |
| fi | |
| fi | |
| echo $SCREEN_STATE > "$state_tmp_file" | |
| if [[ $SCREEN_STATE != $PREVIOUS_SCREEN_STATE ]]; then | |
| wss_log "Screen state changed from ${PREVIOUS_SCREEN_STATE} to ${SCREEN_STATE}" | |
| PREVIOUS_SCREEN_STATE=$SCREEN_STATE | |
| updateColors | |
| if [[ $DAEMON == false ]]; then | |
| echo "" 1>&2 | |
| fi | |
| MQTT_TIMER=0 | |
| elif [[ $DAEMON == false ]]; then | |
| echo -n -e "\b${sp:i++%${#sp}:1}" 1>&2 | |
| fi | |
| if [[ $MQTT_TIMER == 0 ]]; then | |
| mqtt_pub "$STATE" & | |
| fi | |
| MQTT_TIMER=$((++MQTT_TIMER)) | |
| } | |
| function main { | |
| if [[ $DAEMON == false ]]; then | |
| echo "###########################################################################################################" 1>&2 | |
| echo "# _____ _____ _ _ _ _ _ _ #" 1>&2 | |
| echo "# / ___| / ___| | | | | | | | | | | | #" 1>&2 | |
| echo "# \ \`--. ___ _ __ ___ ___ _ __ \ \`--.| |_ __ _| |_ _ _ ___ | | | | __ _| |_ ___| |__ ___ _ __ #" 1>&2 | |
| echo "# \`--. \/ __| '__/ _ \/ _ \ '_ \ \`--. \ __/ _\` | __| | | / __| | |/\| |/ _\` | __/ __| '_ \ / _ \ '__| #" 1>&2 | |
| echo "# /\__/ / (__| | | __/ __/ | | | /\__/ / || (_| | |_| |_| \__ \ \ /\ / (_| | || (__| | | | __/ | #" 1>&2 | |
| echo "# \____/ \___|_| \___|\___|_| |_| \____/ \__\__,_|\__|\__,_|___/ \/ \/ \__,_|\__\___|_| |_|\___|_| #" 1>&2 | |
| echo "# #" 1>&2 | |
| echo "###########################################################################################################" 1>&2 | |
| echo "Ver: $VERSION" 1>&2 | |
| echo "" 1>&2 | |
| fi | |
| wss_log "Starting screen status watcher with PID: $PID" | |
| echo true > "$wss_tmp_file" | |
| xbindkeys_autostart | |
| mqtt_pub loading & | |
| while $WSS_RUNNING == true; do | |
| checkDPMSStatus | |
| checkScreenStatus | |
| sleep 1 | |
| done | |
| mqtt_pub offline & | |
| WSS_RUNNING=false | |
| echo false > "$wss_tmp_file" | |
| updateColors | |
| wss_log "Closing screen status watcher" | |
| rm -f "$anim_tmp_file" | |
| rm -f "$state_tmp_file" | |
| rm -f "$wss_tmp_file" | |
| } | |
| LOCK_FILE=/tmp/watch_screen_status-$UID | |
| lockfile-create --retry 0 --use-pid $LOCK_FILE || exit | |
| trap onexit EXIT INT TERM KILL QUIT HUP | |
| main |
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