From 788f60631959447d08634bd34da305a554f6e948 Mon Sep 17 00:00:00 2001
From: ulic-youthlic <ulic.youthlic@gmail.com>
Date: Fri, 22 May 2026 14:48:14 +0800
Subject: [PATCH] feat: Add virtual kbd device of kanata for qemu capture

---
 nixos/configurations/Tytonidae/default.nix |  1 -
 nixos/configurations/Tytonidae/kanata.nix  | 20 ++++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 nixos/configurations/Tytonidae/kanata.nix

diff --git a/nixos/configurations/Tytonidae/default.nix b/nixos/configurations/Tytonidae/default.nix
index 1ad1efd..93e82e4 100644
--- a/nixos/configurations/Tytonidae/default.nix
+++ b/nixos/configurations/Tytonidae/default.nix
@@ -64,7 +64,6 @@
       openssh.enable = true;
       steam.enable = true;
       tailscale.enable = true;
-      kanata.enable = true;
       transmission.enable = true;
       nix-ld.enable = true;
       juicity.client.enable = true;
diff --git a/nixos/configurations/Tytonidae/kanata.nix b/nixos/configurations/Tytonidae/kanata.nix
new file mode 100644
index 0000000..53510b1
--- /dev/null
+++ b/nixos/configurations/Tytonidae/kanata.nix
@@ -0,0 +1,20 @@
+{lib, ...}: {
+  youthlic.programs.kanata.enable = true;
+  services = {
+    udev.extraRules = ''
+      KERNEL=="event*", ATTRS{name}=="kanata-virtual-kbd", SYMLINK+="input/kanata-kbd"
+    '';
+    kanata.keyboards.default = {
+      devices = [
+        "/dev/input/by-id/usb-RDR_Crush_80-event-kbd"
+      ];
+      extraDefCfg = ''
+        linux-output-device-name "kanata-virtual-kbd"
+      '';
+    };
+  };
+  systemd.services.kanata-default.serviceConfig = {
+    PrivateUsers = lib.mkForce false;
+    DynamicUser = lib.mkForce false;
+  };
+}