Sway: Add wallpaper-video toggle.

config/Wallpaper.nix

@@ -1,13 +1,13 @@
-{ config, lib, pkgs, ... }: let
+{ config, pkgs, ... }:
+let
   cfg = config.module.wallpaper;
-in {
-  config = lib.mkMerge [
-    (lib.mkIf cfg.video {
+in
+{
+  config = {
     environment.systemPackages = [
       (pkgs.writeShellScriptBin "wallpaper-video" ''
         mpvpaper -o 'no-audio --loop-file --panscan=1' '*' ${cfg.videoPath}
       '')
     ];
-    })
-  ];
+  };
 }

home/file/sway/module/Style.conf

@@ -1,4 +1,6 @@
 output * bg @wallpaper@ fill
+bindsym --to-code $mod+z exec swayscript wallpaper_video
+
 client.focused          "#@accent@" "#@accent@" "#@fg@" "#@accent@" "#@accent@"
 client.focused_inactive "#@border@" "#@border@" "#@fg@" "#@border@" "#@border@"
 client.unfocused        "#@border@" "#@border@" "#@fg@" "#@border@" "#@border@"

package/swayscript/script/Wallpaper.sh

@@ -0,0 +1,4 @@
+# Toggle video wallpaper.
+function wallpaper_video() {
+	pkill mpvpaper || wallpaper-video
+}