feat: switch to xidlehook

dot_config/i3/scripts/autolock.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/sh
+# Only exported variables can be used within the timer's command.
+export PRIMARY_DISPLAY="$(xrandr | awk '/ primary/{print $1}')"
+
+# Run xidlehook
+xidlehook \
+  `# Don't lock when there's a fullscreen application` \
+  --not-when-fullscreen \
+  `# Don't lock when there's audio playing` \
+  --not-when-audio \
+  `# Dim the screen after 1 minute and 20 seconds, undim if user becomes active` \
+  --timer 80 \
+    'xrandr --output "$PRIMARY_DISPLAY" --brightness .1' \
+    'xrandr --output "$PRIMARY_DISPLAY" --brightness 1' \
+  `# Undim & lock after 10 more seconds` \
+  --timer 10 \
+    'xrandr --output "$PRIMARY_DISPLAY" --brightness 1; i3lock' \
+    '' \
+  `# Finally, suspend an hour after it locks` \
+  --timer 3600 \
+    'systemctl suspend' \
+    ''