Add a first attempt at xautolock config

.config/i3/config

@@ -13,6 +13,8 @@ exec --no-startup-id pasystray -a
 exec --no-startup-id udiskie -s0
 exec --no-startup-id caffeine
 exec --no-startup-id thunderbird
+exec --no-startup-id xset s off dpms 0 0 0
+exec --no-startup-id xautolock -time 5 -locker "~/.config/i3/lock.sh lock 1" -detectsleep
 
 # keyboard settings
 exec --no-startup-id setxkbmap -option 'ctrl:nocaps'
@@ -32,7 +34,7 @@ bindsym $mod+e exec emacsclient -c -n                        # start emacs
 bindsym $mod+Shift+e exec thunderbird                        # start thunderbird
 
 bindsym Mod1+Mod4+s exec $config_dir/lock.sh suspend         # suspend
-bindsym Mod1+Control+l exec $config_dir/lock.sh lock         # lock screen
+bindsym Mod1+Control+l exec $config_dir/lock.sh lock 5       # lock screen
 bindsym Mod1+Control+Delete exec $config_dir/lock.sh pick    # power menu
 bindsym $mod+p exec --no-startup-id $config_dir/killPanel.sh # restart xfce4-panel
 

.config/i3/lock.sh

@@ -17,6 +17,13 @@ lock() {
 case "$1" in
 	lock)
 		lock
+
+        # if given an argument, turn off the screen after that many seconds
+        if [[ $2 && ${2-x} ]]
+        then
+            sleep $2
+            xset dpms force off
+        fi
 		;;
 	logout)
 		i3-msg exit