A custom script that triggers a screen lock, suspending dunst notifications.
Also provides a systemd unit that executes the lock script upon system suspend.
i3lockdunstNote that I3LOCK_BACKGROUND in lock.sh should be configured as desired.
| [Unit] | |
| Description=Lock the screen on resume from suspend | |
| Before=sleep.target suspend.target | |
| [Service] | |
| User=%i | |
| Type=exec | |
| Environment=DISPLAY=:0 | |
| ExecStart=/home/%i/bin/lock.sh | |
| [Install] | |
| WantedBy=sleep.target suspend.target |
| #!/bin/sh | |
| I3LOCK_BACKGROUND=/tmp/lock-bg.png | |
| if [[ $(pgrep -u $UID -x i3lock) ]] ; then | |
| echo "The screen is already locked. Exiting." | |
| exit | |
| fi | |
| prior_state=`cat $HOME/.notifications-state` | |
| # Pause notifications if they are currently enabled | |
| if [ $prior_state = "ACTIVE" ] ; then | |
| $HOME/bin/notifications.sh off | |
| fi | |
| xbacklight > $HOME/.xbacklight-lock | |
| xbacklight -set 50 | |
| i3lock -n -i $I3LOCK_BACKGROUND | |
| xbacklight -set $(cat $HOME/.xbacklight-lock) | |
| # Resume notifications if they were enabled before locking | |
| if [ $prior_state = "ACTIVE" ] ; then | |
| $HOME/bin/notifications.sh on | |
| fi |
| #!/bin/sh | |
| on() { | |
| pkill -U $UID -USR2 dunst | |
| echo "ACTIVE" > $HOME/.notifications-state | |
| } | |
| off() { | |
| pkill -U $UID -USR1 dunst | |
| echo "INACTIVE" > $HOME/.notifications-state | |
| } | |
| if [ "$1" = "on" ] ; then | |
| on | |
| elif [ "$1" = "off" ] ; then | |
| off | |
| else | |
| if [ $(cat $HOME/.notifications-state) = "ACTIVE" ] ; then | |
| off | |
| else | |
| on | |
| fi | |
| fi |