Add japanese input method

features-nixos/global/locale.nix

@@ -1,4 +1,4 @@
-{
+{pkgs, ...}: {
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
 
@@ -23,4 +23,18 @@
   console.keyMap = "de";
 
   time.timeZone = "Europe/Berlin";
+
+  ## Japanese input, env vars and servic start are configured in hyprland config
+  ## Configure via program fcitx5-configuration
+  ## There, add the mozc input for japanese
+  ## This could also be done declaratively in this config, see: https://wiki.nixos.org/wiki/Fcitx5
+  i18n.inputMethod = {
+    enable = true;
+    type = "fcitx5";
+    fcitx5.addons = with pkgs; [
+      fcitx5-mozc
+      fcitx5-gtk # Ensures IME works in GTK applications
+    ];
+    fcitx5.waylandFrontend = true; # compability with wayland
+  };
 }