From 55df110124d9a66c83e463f0b63659778c5b67b8 Mon Sep 17 00:00:00 2001
From: Erwin Boskma <erwin@horus.nu>
Date: Wed, 17 May 2023 08:06:05 +0200
Subject: [PATCH] Add Kanata to manage keyboard layout

---
 machines/mimir/configuration.nix |  7 +++-
 modules/kanata/default.nix       | 59 ++++++++++++++++++++++++++++++++
 users/erwin/work.nix             | 20 +++++------
 3 files changed, 75 insertions(+), 11 deletions(-)
 create mode 100644 modules/kanata/default.nix

diff --git a/machines/mimir/configuration.nix b/machines/mimir/configuration.nix
index e3fa775..ce321f5 100644
--- a/machines/mimir/configuration.nix
+++ b/machines/mimir/configuration.nix
@@ -49,7 +49,12 @@
     };
     fonts.enable = true;
     gnome.enable = true;
-    # greetd.enable = true;
+    kanata = {
+      enable = true;
+      devices = [
+        "/dev/input/by-id/usb-04d9_USB-HID_Keyboard-event-kbd"
+      ];
+    };
     lightdm.enable = true;
     networking.enable = true;
     nix-common = {
diff --git a/modules/kanata/default.nix b/modules/kanata/default.nix
new file mode 100644
index 0000000..68fe279
--- /dev/null
+++ b/modules/kanata/default.nix
@@ -0,0 +1,59 @@
+{ config, lib, ... }:
+with lib;
+let
+  cfg = config.eboskma.kanata;
+in
+{
+  options.eboskma.kanata = {
+    enable = mkEnableOption "kanata";
+    devices = mkOption {
+      description = "Devices to enable kanata for";
+      type = types.listOf types.path;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.kanata = {
+      enable = true;
+
+      keyboards = {
+        ducky = {
+          devices = cfg.devices;
+
+          config = ''
+            (defsrc
+              esc     f1 f2 f3 f4           f5 f6 f7 f8       f9 f10 f11 f12        prtsc scrlck pp  calc mute voldwn volu
+              grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc ins   home pgup  nlck kp/  kp*    kp-
+              tab  q    w    e    r    t    y    u    i    o    p    [    ]    \    del   end  pgdn  kp7  kp8  kp9    kp+
+              caps a    s    d    f    g    h    j    k    l    ;    '    ret                        kp4  kp5  kp6
+              lsft z    x    c    v    b    n    m    ,    .    /    rsft                 up         kp1  kp2  kp3    kprt
+              lctl lmet lalt           spc            ralt rmet  rctl               lft  down  rght  kp0       kp.)
+
+            (deflayer colemak
+              esc     f1 f2 f3 f4           f5 f6 f7 f8       f9 f10 f11 f12        prtsc @qwe pp  calc mute voldwn volu
+              grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc ins   home pgup  nlck kp/  kp*    kp-
+              tab  q    w    f    p    g    j    l    u    y    ;    [    ]    \    del   end  pgdn  kp7  kp8  kp9    kp+
+              @cap a    r    s    t    d    h    n    e    i    o    '    ret                        kp4  kp5  kp6
+              lsft z    x    c    v    b    k    m    ,    .    /    rsft                 up         kp1  kp2  kp3    kprt
+              lctl lmet lalt           spc            ralt rmet  rctl               lft  down  rght  kp0       kp.)
+
+            (deflayer qwerty
+              esc     f1 f2 f3 f4           f5 f6 f7 f8       f9 f10 f11 f12        prtsc @col pp  calc mute voldwn volu
+              grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc ins   home pgup  nlck kp/  kp*    kp-
+              tab  q    w    e    r    t    y    u    i    o    p    [    ]    \    del   end  pgdn  kp7  kp8  kp9    kp+
+              @cap a    s    d    f    g    h    j    k    l    ;    '    ret                        kp4  kp5  kp6
+              lsft z    x    c    v    b    n    m    ,    .    /    rsft                 up         kp1  kp2  kp3    kprt
+              lctl lmet lalt           spc            ralt rmet  rctl               lft  down  rght  kp0       kp.)
+
+            (defalias
+              cap (tap-hold 100 100 bspc lctl)
+              col (layer-switch colemak)
+              qwe (layer-switch qwerty)
+            )
+          '';
+        };
+      };
+    };
+
+  };
+}
diff --git a/users/erwin/work.nix b/users/erwin/work.nix
index 28050cb..156fe73 100644
--- a/users/erwin/work.nix
+++ b/users/erwin/work.nix
@@ -93,12 +93,12 @@ in
         };
       };
 
-      home.keyboard = {
-        layout = "us,us";
-        variant = "colemak,";
-        model = "pc105";
-        options = [ "ctrl:nocaps" "eurosign:5" "lv5:ralt_switch" "lv3:rwin_switch" "grp:sclk_toggle" "grp_led:scroll" ];
-      };
+      # home.keyboard = {
+      #   layout = "us,us";
+      #   variant = "colemak,";
+      #   model = "pc105";
+      #   options = [ "ctrl:nocaps" "eurosign:5" "lv5:ralt_switch" "lv3:rwin_switch" "grp:sclk_toggle" "grp_led:scroll" ];
+      # };
 
       home.packages = with pkgs; [
         atool
@@ -229,10 +229,10 @@ in
     ];
 
     services.xserver = {
-      layout = "us,us";
-      xkbVariant = "colemak,";
-      xkbModel = "pc105";
-      xkbOptions = "ctrl:nocaps,eurosign:5,lv5:ralt_switch,lv3:rwin_switch,grp:shifts_toggle";
+      # layout = "us,us";
+      # xkbVariant = "colemak,";
+      # xkbModel = "pc105";
+      # xkbOptions = "ctrl:nocaps,eurosign:5,lv5:ralt_switch,lv3:rwin_switch,grp:shifts_toggle";
       upscaleDefaultCursor = false;
       exportConfiguration = true;