add swayidle

homes/_modules/desktop/common/wayland-wm/default.nix

@@ -1,6 +1,7 @@
 {pkgs, ...}: {
   imports = [
     ./swaylock.nix
+    ./swayidle.nix
     ./waybar.nix
     ./wofi.nix
     ./swaync.nix

homes/_modules/desktop/common/wayland-wm/swayidle.nix

@@ -0,0 +1,45 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  swaylock = "${config.programs.swaylock.package}/bin/swaylock";
+  hyprctl = "${config.wayland.windowManager.hyprland.package}/bin/hyprctl";
+  lockTime = 1 * 60; # TODO: configurable desktop (10 min)/laptop (4 min)
+in {
+  services.swayidle = {
+    enable = true;
+    systemdTarget = "graphical-session.target";
+    extraArgs = [
+      "-d"
+    ];
+    timeouts =
+      # Lock screen
+      [
+        {
+          timeout = lockTime;
+          command = "${swaylock} -defF";
+        }
+        {
+          timeout = 180;
+          command = "${hyprctl} dispatch dpms off";
+          resumeCommand = "${hyprctl} dispatch dpms on";
+        }
+      ];
+    events = [
+      {
+        event = "lock";
+        command = "${swaylock} -defF";
+      }
+      {
+        event = "after-resume";
+        command = "${hyprctl} dispatch dpms on";
+      }
+      {
+        event = "before-sleep";
+        command = "${swaylock} -defF";
+      }
+    ];
+  };
+}

homes/_modules/desktop/hyprland.nix

@@ -30,6 +30,7 @@ in {
     package = hyprland;
     systemd = {
       enable = true;
+      variables = ["--all"];
       # Same as default, but stop graphical-session too
       extraCommands = lib.mkBefore [
         "systemctl --user stop graphical-session.target"