neovim!

modules/common/home.nix

@@ -1,7 +1,9 @@
 { lib, config, pkgs, ... }: {
 
+
   home-manager.useGlobalPkgs = true;
   home-manager.users.sammy = {
+    imports = [ ./neovim.nix ];
     home.username = "sammy";
     home.homeDirectory = "/home/sammy";
     home.stateVersion = "23.11"; # Please read the comment before changing.
@@ -32,8 +34,6 @@
       nushell = {
         enable = true;
       };
-
-
     };
 
     # Home Manager is pretty good at managing dotfiles. The primary way to manage

modules/common/neovim.nix

@@ -0,0 +1,62 @@
+{ config, pkgs, inputs, ... }:
+
+{
+
+  programs.neovim =
+    let
+      toLua = str: "lua << EOF\n${str}\nEOF\n";
+      toLuaFile = file: "lua << EOF\n${builtins.readFile file}\nEOF\n";
+    in
+    {
+      enable = true;
+
+      viAlias = true;
+      vimAlias = true;
+      vimdiffAlias = true;
+
+      extraPackages = with pkgs; [
+        lua-language-server
+        rnix-lsp
+
+        xclip
+        wl-clipboard
+      ];
+
+      plugins = with pkgs.vimPlugins; [
+
+        {
+          plugin = comment-nvim;
+          config = toLua "require(\"Comment\").setup()";
+        }
+
+        {
+          plugin = catppuccin-nvim;
+          config = "colorscheme catppuccin";
+        }
+
+        { plugin = which-key-nvim;
+          config = toLua "require(\"which-key\").setup()";
+        }
+
+        nvim-cmp
+        neodev-nvim
+
+        cmp_luasnip
+        cmp-nvim-lsp
+
+        luasnip
+        friendly-snippets
+
+
+        lualine-nvim
+        nvim-web-devicons
+
+        vim-nix
+      ];
+
+      extraLuaConfig = ''
+        ${builtins.readFile ./nvim/options.lua}
+        ${builtins.readFile ./nvim/keymap.lua}
+      '';
+    };
+}

modules/common/nvim/keymap.lua

@@ -0,0 +1,69 @@
+local map = vim.keymap.set 
+local wk = require("which-key")
+
+-- better up/down
+map({ "n", "x" }, "j", "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
+map({ "n", "x" }, "<Down>", "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
+map({ "n", "x" }, "k", "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
+map({ "n", "x" }, "<Up>", "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
+
+-- Move to window using the <ctrl> hjkl keys
+map("n", "<C-h>", "<C-w>h", { desc = "Go to left window", remap = true })
+map("n", "<C-j>", "<C-w>j", { desc = "Go to lower window", remap = true })
+map("n", "<C-k>", "<C-w>k", { desc = "Go to upper window", remap = true })
+map("n", "<C-l>", "<C-w>l", { desc = "Go to right window", remap = true })
+
+-- Resize window using <ctrl> arrow keys
+map("n", "<C-Up>", "<cmd>resize +2<cr>", { desc = "Increase window height" })
+map("n", "<C-Down>", "<cmd>resize -2<cr>", { desc = "Decrease window height" })
+map("n", "<C-Left>", "<cmd>vertical resize -2<cr>", { desc = "Decrease window width" })
+map("n", "<C-Right>", "<cmd>vertical resize +2<cr>", { desc = "Increase window width" })
+
+-- Move Lines
+map("n", "<A-j>", "<cmd>m .+1<cr>==", { desc = "Move down" })
+map("n", "<A-k>", "<cmd>m .-2<cr>==", { desc = "Move up" })
+map("i", "<A-j>", "<esc><cmd>m .+1<cr>==gi", { desc = "Move down" })
+map("i", "<A-k>", "<esc><cmd>m .-2<cr>==gi", { desc = "Move up" })
+map("v", "<A-j>", ":m '>+1<cr>gv=gv", { desc = "Move down" })
+map("v", "<A-k>", ":m '<-2<cr>gv=gv", { desc = "Move up" })
+
+-- buffers
+map("n", "<S-h>", "<cmd>bprevious<cr>", { desc = "Prev buffer" })
+map("n", "<S-l>", "<cmd>bnext<cr>", { desc = "Next buffer" })
+
+-- Clear search with <esc>
+map({ "i", "n" }, "<esc>", "<cmd>noh<cr><esc>", { desc = "Escape and clear hlsearch" })
+
+-- save file
+map({ "i", "x", "n", "s" }, "<C-s>", "<cmd>w<cr><esc>", { desc = "Save file" })
+
+--keywordprg
+map("n", "<leader>K", "<cmd>norm! K<cr>", { desc = "Keywordprg" })
+
+-- better indenting
+map("v", "<", "<gv")
+map("v", ">", ">gv")
+
+wk.register({["<leader>f"] = { name = "File" }})
+-- new file
+map("n", "<leader>fn", "<cmd>enew<cr>", { desc = "New File" })
+
+map("n", "<leader>xl", "<cmd>lopen<cr>", { desc = "Location List" })
+map("n", "<leader>xq", "<cmd>copen<cr>", { desc = "Quickfix List" })
+
+map("n", "<leader>ww", "<C-W>p", { desc = "Other window", remap = true })
+map("n", "<leader>wd", "<C-W>c", { desc = "Delete window", remap = true })
+map("n", "<leader>w-", "<C-W>s", { desc = "Split window below", remap = true })
+map("n", "<leader>w|", "<C-W>v", { desc = "Split window right", remap = true })
+map("n", "<leader>-", "<C-W>s", { desc = "Split window below", remap = true })
+map("n", "<leader>|", "<C-W>v", { desc = "Split window right", remap = true })
+
+-- tabs
+wk.register({["<leader><tab>"] = { name = "Tabs" }})
+map("n", "<leader><tab>l", "<cmd>tablast<cr>", { desc = "Last Tab" })
+map("n", "<leader><tab>f", "<cmd>tabfirst<cr>", { desc = "First Tab" })
+map("n", "<leader><tab><tab>", "<cmd>tabnew<cr>", { desc = "New Tab" })
+map("n", "<leader><tab>]", "<cmd>tabnext<cr>", { desc = "Next Tab" })
+map("n", "<leader><tab>d", "<cmd>tabclose<cr>", { desc = "Close Tab" })
+map("n", "<leader><tab>[", "<cmd>tabprevious<cr>", { desc = "Previous Tab" })
+

modules/common/nvim/options.lua

@@ -0,0 +1,54 @@
+-- partially taken from https://www.lazyvim.org and merged with my own config
+--
+vim.g.mapleader = " "
+vim.g.maplocalleader = "\\"
+
+-- root dir detection
+vim.g.root_spec = { "lsp", { ".git", "lua" }, "cwd" }
+
+local opt = vim.opt
+
+opt.autowrite = true -- Enable auto write
+opt.autoread = true
+opt.clipboard = "unnamedplus" -- Sync with system clipboard
+opt.completeopt = "menu,menuone,noselect"
+opt.conceallevel = 3 -- Hide * markup for bold and italic
+opt.confirm = true -- Confirm to save changes before exiting modified buffer
+opt.cursorline = true -- Enable highlighting of the current line
+opt.ignorecase = true -- Ignore case in search
+opt.inccommand = "nosplit" -- preview incremental substitute
+opt.laststatus = 3 -- global statusline
+opt.list = true -- Show some invisible characters (tabs...
+opt.mouse = "a" -- Enable mouse mode
+opt.number = true -- Print line number
+opt.pumblend = 10 -- Popup blend
+opt.pumheight = 10 -- Maximum number of entries in a popup
+opt.relativenumber = true -- Relative line numbers
+opt.scrolloff = 4 -- Lines of context
+opt.sessionoptions = { "buffers", "curdir", "tabpages", "winsize", "help", "globals", "skiprtp", "folds" }
+opt.shiftround = true -- Round indent
+opt.shiftwidth = 2 -- Size of an indent
+opt.shortmess:append({ W = true, I = true, c = true, C = true })
+opt.showmode = false -- Dont show mode since we have a statusline
+opt.sidescrolloff = 8 -- Columns of context
+opt.signcolumn = "yes" -- Always show the signcolumn, otherwise it would shift the text each time
+opt.smartcase = true -- Don't ignore case with capitals
+opt.smartindent = true -- Insert indents automatically
+opt.spelllang = { "en", "de" }
+opt.splitbelow = true -- Put new windows below current
+opt.splitkeep = "screen"
+opt.splitright = true -- Put new windows right of current
+opt.tabstop = 2 -- Number of spaces tabs count for
+opt.termguicolors = true -- True color support
+opt.timeoutlen = 300
+opt.undofile = true
+opt.undolevels = 10000
+opt.updatetime = 200 -- Save swap file and trigger CursorHold
+opt.virtualedit = "block" -- Allow cursor to move where there is no text in visual block mode
+opt.wildmode = "longest:full,full" -- Command-line completion mode
+opt.winminwidth = 5 -- Minimum window width
+opt.wrap = false -- Disable line wrap
+
+-- Fix markdown indentation settings
+vim.g.markdown_recommended_style = 0
+