powerManagement: configure power button and screenlock

profiles/powerManagement.nix

@@ -15,6 +15,12 @@
     logind = {
       lidSwitch = "suspend-then-hibernate";
       lidSwitchDocked = "ignore";
+      # powerKey = "suspend-then-hibernate"; # Enable in 23.11
+      extraConfig = ''
+        HandlePowerKey=suspend-then-hibernate
+        IdleAction=suspend-then-hibernate
+        IdleActionSec=10m
+      '';
     };
     thermald.enable = true;
     auto-cpufreq = {
@@ -37,4 +43,14 @@
       criticalPowerAction = "Hibernate";
     };
   };
+
+  programs.xss-lock = {
+    enable = true;
+    lockerCommand = "${pkgs.xscreensaver}/bin/screensaver-command -lock";
+    extraOptions = [
+      "-n ${pkgs.libnotify}/bin/notify-send \"Locking screen now\""
+      "IdleAction=lock"
+      "IdleActionSec=5m"
+    ];
+  };
 }