Initial commit

modules/nixos/nixvim/default.nix

@@ -0,0 +1,106 @@
+{
+  inputs,
+  config,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.programs.nixvim;
+
+  inherit (lib) mkDefault mkIf;
+in
+{
+  imports = [
+    inputs.nixvim.nixosModules.nixvim
+    ./plugins
+
+    ./spellfiles.nix
+  ];
+
+  config = {
+    programs.nixvim = {
+      enable = true; # Enable globally on NixOS
+      defaultEditor = mkDefault true;
+      viAlias = mkDefault true;
+      vimAlias = mkDefault true;
+
+      # Removed home-manager specific options like 'enableMan' which is handled differently or not needed in system module context
+      # Removed clipboard.providers.wl-copy as it's home-manager specific.
+      # System-wide clipboard integration for headless servers is less critical but can be added if needed.
+
+      # vim.g.*
+      globals = {
+        mapleader = mkDefault " ";
+      };
+
+      # vim.opt.*
+      opts = {
+        # behavior
+        cursorline = mkDefault true; # highlights the line under the cursor
+        mouse = mkDefault "a"; # enable mouse support
+        nu = mkDefault true; # line numbers
+        relativenumber = mkDefault true; # relative line numbers
+        scrolloff = mkDefault 20; # keeps some context above/below cursor
+        signcolumn = mkDefault "yes"; # reserve space for signs (e.g., GitGutter)
+        undofile = mkDefault true; # persistent undo
+        updatetime = mkDefault 500; # ms to wait for trigger an event (default 4000ms)
+        wrap = mkDefault true; # wraps text if it exceeds the width of the window
+
+        # search
+        ignorecase = mkDefault true; # ignore case in search patterns
+        smartcase = mkDefault true; # smart case
+        incsearch = mkDefault true; # incremental search
+        hlsearch = mkDefault true; # highlight search
+
+        # windows
+        splitbelow = mkDefault true; # new windows are created below current
+        splitright = mkDefault true; # new windows are created to the right of current
+        equalalways = mkDefault true; # window sizes are automatically updated.
+
+        # tabs
+        expandtab = mkDefault true; # convert tabs into spaces
+        shiftwidth = mkDefault 2; # number of spaces to use for each step of (auto)indent
+        smartindent = mkDefault true; # smart autoindenting on new lines
+        softtabstop = mkDefault 2; # number of spaces in tab when editing
+        tabstop = mkDefault 2; # number of visual spaces per tab
+
+        # spell checking
+        spell = mkDefault true;
+        spelllang = mkDefault [
+          "en_us"
+          "de_20"
+        ];
+
+      };
+
+      # vim.diagnostic.config.*
+      diagnostic.settings = {
+        virtual_text = {
+          spacing = 4;
+          prefix = "●";
+          severity_sort = true;
+        };
+        signs = true;
+        underline = true;
+        update_in_insert = false;
+      };
+
+      extraConfigLua = ''
+        vim.cmd "set noshowmode"  -- Hides "--INSERT--" mode indicator
+      '';
+
+      keymaps = import ./keymaps.nix;
+    };
+
+    environment = {
+      variables = {
+        EDITOR = mkIf cfg.enable "nvim";
+        VISUAL = mkIf cfg.enable "nvim";
+      };
+      shellAliases = {
+        v = mkIf cfg.enable "nvim";
+      };
+    };
+  };
+}