From 0c178db4a8b1b5cc0263d02f0634f4c2b702cfc0 Mon Sep 17 00:00:00 2001
From: larstvei <larstvei@ifi.uio.no>
Date: Sun, 24 Aug 2025 18:27:23 +0200
Subject: [PATCH] Customize keyboard with homerow mods and swapping alt/super

---
 home/desktop/hypr/default.nix    |  1 +
 hosts/thinkpad/configuration.nix |  2 +-
 hosts/thinkpad/keyboard.nix      | 37 ++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 hosts/thinkpad/keyboard.nix

diff --git a/home/desktop/hypr/default.nix b/home/desktop/hypr/default.nix
index ddd4f86..e862495 100644
--- a/home/desktop/hypr/default.nix
+++ b/home/desktop/hypr/default.nix
@@ -18,6 +18,7 @@
       gestures.workspace_swipe = true;
 
       input = {
+        kb_options = "altwin:swap_alt_win";
         natural_scroll = true;
         scroll_factor = 0.4;
         touchpad = {
diff --git a/hosts/thinkpad/configuration.nix b/hosts/thinkpad/configuration.nix
index 2acc250..17efb7d 100644
--- a/hosts/thinkpad/configuration.nix
+++ b/hosts/thinkpad/configuration.nix
@@ -1,5 +1,4 @@
 {
-  config,
   pkgs,
   emacs-larstvei,
   zen-browser,
@@ -12,6 +11,7 @@ in
   imports = [
     ../../system
     ../../system/nixos
+    ./keyboard.nix
     ./hardware-configuration.nix
   ];
 
diff --git a/hosts/thinkpad/keyboard.nix b/hosts/thinkpad/keyboard.nix
new file mode 100644
index 0000000..a92940f
--- /dev/null
+++ b/hosts/thinkpad/keyboard.nix
@@ -0,0 +1,37 @@
+{
+  services.kanata = {
+    enable = true;
+    keyboards = {
+      internalKeyboard = {
+        devices = [
+          "/dev/input/by-path/platform-i8042-serio-0-event-kbd"
+        ];
+        extraDefCfg = "process-unmapped-keys yes";
+        config = ''
+          (defsrc
+           caps a s d f j k l ;
+          )
+          (defvar
+           tap-time 150
+           hold-time 200
+          )
+          (defalias
+           caps (tap-hold 100 100 esc lctl)
+           a (tap-hold $tap-time $hold-time a lsft)
+           s (tap-hold $tap-time $hold-time s lalt)
+           d (tap-hold $tap-time $hold-time d lmet)
+           f (tap-hold $tap-time $hold-time f lctl)
+           j (tap-hold $tap-time $hold-time j rctl)
+           k (tap-hold $tap-time $hold-time k rmet)
+           l (tap-hold $tap-time $hold-time l ralt)
+           ; (tap-hold $tap-time $hold-time ; rsft)
+          )
+
+          (deflayer base
+           @caps @a  @s  @d  @f  @j  @k  @l  @;
+          )
+        '';
+      };
+    };
+  };
+}