i3: lockscreen

i3/config

@@ -11,11 +11,9 @@ font pango:monospace 8
 # setze "urgency hint" nicht sofort zurück
 force_display_urgency_hint 5000 ms
 
-# execute lockscreen.sh; sperrt rechner nach x min
-exec_always --no-startup-id ~/dotfiles/i3/scripte/lockscreen.sh
-
-# enter lockscreen manually
-bindsym $mod1+l exec --no-startup-id ~/dotfiles/i3/scripte/lock.sh
+# lockscreen mit Win+L oder nach Wartezeit
+bindsym $mod1+l exec "~/dotfiles/i3/scripte/lock.sh"
+exec_always xautolock -time 10 -locker "~/dotfiles/i3/scripte/lock.sh"
 
 # dimm screen
 exec_always --no-startup-id ~/dotfiles/i3/scripte/dimming.sh

i3/scripte/lock.sh

@@ -1,2 +1,17 @@
-#!/bin/bash
-xset dpms force off && i3lock --ignore-empty-password --color 000000
+#!/bin/sh -e
+
+# Take a screenshot
+scrot /tmp/screen_locked.png
+
+# Pixellate it 10x
+mogrify -scale 10% -scale 1000% /tmp/screen_locked.png
+
+# Lock screen displaying this image.
+i3lock -i /tmp/screen_locked.png
+
+# delete Image
+rm -f /tmp/screen_locked.png
+
+# Turn the screen off after a delay.
+sleep 60; pgrep i3lock && xset dpms force off
+

i3/scripte/lockscreen.sh

@@ -1,2 +0,0 @@
-#!/bin/bash
-xautolock -detectsleep -time 15 -locker "xset dpms force off && i3lock --ignore-empty-password --color 000000"