add lid stuff

sway/.config/sway/config

@@ -9,6 +9,10 @@ font pango:DejaVu Sans Mono 10
 output * scale 1
 output * bg ~/.config/sway/tux.png fill
 
+# Disable the laptop panel while the lid is closed.
+bindswitch --reload lid:on exec ~/.config/sway/scripts/lid-output off
+bindswitch --reload lid:off exec ~/.config/sway/scripts/lid-output on
+
 input type:keyboard {
     xkb_layout fo
     xkb_model pc105

sway/.config/sway/scripts/lid-output

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+state="${1:-}"
+
+internal_output="$(
+  swaymsg -t get_outputs -r |
+    jq -r '.[] | select(.name | test("^(eDP|LVDS)")) | .name' |
+    head -n 1
+)"
+
+if [ -z "$internal_output" ]; then
+  exit 0
+fi
+
+case "$state" in
+  off) swaymsg output "$internal_output" disable ;;
+  on) swaymsg output "$internal_output" enable ;;
+  *) exit 2 ;;
+esac