From c95bd5d08594ddf26280e7998e7c762aa5f0b01b Mon Sep 17 00:00:00 2001
From: Tony White <white.tw.tw@gmail.com>
Date: Tue, 26 Jan 2016 06:17:32 +0000
Subject: [PATCH] sddm: add numlock switch

- added numlock on boot switch
- simply add :
services.xserver.displayManager.sddm.autoNumlock = true;
to configuration.nix and sddm will start
with numlock enabled.
---
 nixos/modules/services/x11/display-managers/sddm.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/nixos/modules/services/x11/display-managers/sddm.nix b/nixos/modules/services/x11/display-managers/sddm.nix
index bcac83aa738..4d61afe0eae 100644
--- a/nixos/modules/services/x11/display-managers/sddm.nix
+++ b/nixos/modules/services/x11/display-managers/sddm.nix
@@ -31,6 +31,9 @@ let
     [General]
     HaltCommand=${pkgs.systemd}/bin/systemctl poweroff
     RebootCommand=${pkgs.systemd}/bin/systemctl reboot
+    ${optionalString cfg.autoNumlock ''
+    Numlock=on
+    ''}
 
     [Theme]
     Current=${cfg.theme}
@@ -110,6 +113,14 @@ in
         '';
       };
 
+      autoNumlock = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enable numlock at login.
+        '';
+      };
+
       setupScript = mkOption {
         type = types.str;
         default = "";