From e8bd36899b88285c94c850f0dfce0754d94cfe24 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Mon, 22 Dec 2025 17:37:13 +0100
Subject: Neovim: Neue Konfiguration

---
 nvim/ftplugin/lua.lua           |   6 +++
 nvim/init.lua                   |   8 +++
 nvim/lua/config/autocmds.lua    |  56 ++++++++++++++++++++
 nvim/lua/config/keymaps.lua     |  94 ++++++++++++++++++++++++++++++++++
 nvim/lua/config/lazy.lua        |  29 +++++++++++
 nvim/lua/config/options.lua     | 110 ++++++++++++++++++++++++++++++++++++++++
 nvim/lua/plugins/editing.lua    |  20 ++++++++
 nvim/lua/plugins/git.lua        |   7 +++
 nvim/lua/plugins/lsp.lua        |  29 +++++++++++
 nvim/lua/plugins/telescope.lua  |   9 ++++
 nvim/lua/plugins/treesitter.lua |  29 +++++++++++
 nvim/lua/plugins/ui.lua         |  58 +++++++++++++++++++++
 12 files changed, 455 insertions(+)
 create mode 100644 nvim/ftplugin/lua.lua
 create mode 100644 nvim/init.lua
 create mode 100644 nvim/lua/config/autocmds.lua
 create mode 100644 nvim/lua/config/keymaps.lua
 create mode 100644 nvim/lua/config/lazy.lua
 create mode 100644 nvim/lua/config/options.lua
 create mode 100644 nvim/lua/plugins/editing.lua
 create mode 100644 nvim/lua/plugins/git.lua
 create mode 100644 nvim/lua/plugins/lsp.lua
 create mode 100644 nvim/lua/plugins/telescope.lua
 create mode 100644 nvim/lua/plugins/treesitter.lua
 create mode 100644 nvim/lua/plugins/ui.lua

diff --git a/nvim/ftplugin/lua.lua b/nvim/ftplugin/lua.lua
new file mode 100644
index 0000000..0883a50
--- /dev/null
+++ b/nvim/ftplugin/lua.lua
@@ -0,0 +1,6 @@
+local opt = vim.opt_local
+
+opt.expandtab = true
+opt.shiftwidth = 2
+opt.tabstop = 2
+opt.softtabstop = 2
diff --git a/nvim/init.lua b/nvim/init.lua
new file mode 100644
index 0000000..d148f6b
--- /dev/null
+++ b/nvim/init.lua
@@ -0,0 +1,8 @@
+require("config.options")
+
+local keymaps = require("config.keymaps")
+keymaps.global()
+keymaps.telescope()
+
+require("config.autocmds")
+require("config.lazy")
diff --git a/nvim/lua/config/autocmds.lua b/nvim/lua/config/autocmds.lua
new file mode 100644
index 0000000..e11b231
--- /dev/null
+++ b/nvim/lua/config/autocmds.lua
@@ -0,0 +1,56 @@
+-- https://github.com/nvim-treesitter/nvim-treesitter/blob/main/doc/nvim-treesitter.txt
+vim.api.nvim_create_autocmd('FileType', {
+  pattern = { "c", "cpp", "lua", "typescript" },
+  callback = function()
+    vim.treesitter.start()
+    vim.wo.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
+    vim.wo.foldmethod = 'expr'
+    vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
+  end,
+})
+
+-- https://github.com/nvim-tree/nvim-tree.lua/wiki/Open-At-Startup
+vim.api.nvim_create_autocmd("VimEnter", {
+  callback = function(data)
+    -- buffer is a real file on the disk
+    local real_file = vim.fn.filereadable(data.file) == 1
+
+    -- buffer is a [No Name]
+    local no_name = data.file == "" and vim.bo[data.buf].buftype == ""
+
+    if not real_file and not no_name then
+      return
+    end
+
+    -- open the tree, find the file but don't focus it
+    require("nvim-tree.api").tree.toggle({ focus = false, find_file = true, })
+  end
+})
+
+-- https://github.com/nvim-tree/nvim-tree.lua/wiki/Auto-Close
+vim.api.nvim_create_autocmd("QuitPre", {
+  callback = function()
+    local invalid_win = {}
+    local wins = vim.api.nvim_list_wins()
+
+    for _, w in ipairs(wins) do
+      local bufname = vim.api.nvim_buf_get_name(vim.api.nvim_win_get_buf(w))
+      if bufname:match("NvimTree_") ~= nil then
+        table.insert(invalid_win, w)
+      end
+    end
+
+    if #invalid_win == #wins - 1 then
+      -- Should quit, so we close all invalid windows.
+      for _, w in ipairs(invalid_win) do vim.api.nvim_win_close(w, true) end
+    end
+  end
+})
+
+vim.api.nvim_create_autocmd("LspAttach", {
+  callback = function(event)
+    local client = vim.lsp.get_client_by_id(event.data.client_id)
+    local keymaps = require("config.keymaps")
+    keymaps.lsp(event.buf, client)
+  end,
+})
diff --git a/nvim/lua/config/keymaps.lua b/nvim/lua/config/keymaps.lua
new file mode 100644
index 0000000..c54247c
--- /dev/null
+++ b/nvim/lua/config/keymaps.lua
@@ -0,0 +1,94 @@
+local M = {}
+
+local map = vim.keymap.set
+
+function M.lsp(buffer, client)
+  local opts = {
+    buffer = buffer,
+    noremap = true,
+    silent = true,
+  }
+
+  map("n", "gd", vim.lsp.buf.definition, opts)
+  map("n", "gD", vim.lsp.buf.declaration, opts)
+  map("n", "gr", vim.lsp.buf.references, opts)
+  map("n", "gi", vim.lsp.buf.implementation, opts)
+  map("n", "K", vim.lsp.buf.hover, opts)
+  map("n", "<leader>rn", vim.lsp.buf.rename, opts)
+  map("n", "<leader>ca", vim.lsp.buf.code_action, opts)
+  map("n", "<leader>cf", function() vim.lsp.buf.format({ async = true; }) end, opts)
+
+  if client and client.name == "clangd" then
+    map("n", "<leader>hs", "<cmd>ClangdSwitchSourceHeader<cr>", opts)
+  end
+end
+
+function M.telescope()
+  local opts = {
+    noremap = true,
+    silent = true,
+  }
+
+  map("n", "<leader>ff", function()
+    require("telescope.builtin").find_files()
+  end, opts)
+
+  map("n", "<leader>fg", function()
+    require("telescope.builtin").live_grep()
+  end, opts)
+
+  map("n", "<leader>fb", function()
+    require("telescope.builtin").buffers()
+  end, opts)
+
+  map("n", "<leader>fh", function()
+    require("telescope.builtin").help_tags()
+  end, opts)
+
+  map("n", "<leader>dd", function()
+    require("telescope.builtin").diagnostics()
+  end, opts)
+end
+
+function M.global()
+  local opts = {
+    noremap = true,
+    silent = true,
+  }
+
+  map("n", "ö", "}", opts)
+  map("n", "ä", "{", opts)
+
+  map("n", "<leader>K", function()
+    vim.diagnostic.open_float({ scope = "cursor", border = "rounded" })
+  end, opts)
+  map("n", "<leader>q", vim.diagnostic.setloclist, opts)
+
+  map("n", "[d", function()
+    vim.diagnostic.jump_prev({ wrap = false })
+  end, opts)
+
+  map("n", "]d", function()
+    vim.diagnostic.jump_next({ wrap = false })
+  end, opts)
+
+  map("n", "[e", function()
+    vim.diagnostic.jump_prev({
+      severity = vim.diagnostic.severity.ERROR,
+      wrap = false
+    })
+  end, opts)
+
+  map("n", "]e", function()
+    vim.diagnostic.jump_next({
+      severity = vim.diagnostic.severity.ERROR,
+      wrap = false
+    })
+  end, opts)
+
+  vim.keymap.set("n", "<leader>ts", function()
+    vim.opt_local.spell = not vim.opt_local.spell:get()
+  end, { desc = "Toggle spell checking" })
+end
+
+return M
diff --git a/nvim/lua/config/lazy.lua b/nvim/lua/config/lazy.lua
new file mode 100644
index 0000000..c798b9d
--- /dev/null
+++ b/nvim/lua/config/lazy.lua
@@ -0,0 +1,29 @@
+-- https://lazy.folke.io/installation
+
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
+  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
+  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
+  if vim.v.shell_error ~= 0 then
+    vim.api.nvim_echo({
+      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
+      { out, "WarningMsg" },
+      { "\nPress any key to exit..." },
+    }, true, {})
+    vim.fn.getchar()
+    os.exit(1)
+  end
+end
+vim.opt.rtp:prepend(lazypath)
+
+require("lazy").setup({
+  spec = {
+    { import = "plugins" },
+  },
+  checker = {
+    enabled = true
+  },
+  rocks = {
+    enabled = false,
+  },
+})
diff --git a/nvim/lua/config/options.lua b/nvim/lua/config/options.lua
new file mode 100644
index 0000000..097e5d6
--- /dev/null
+++ b/nvim/lua/config/options.lua
@@ -0,0 +1,110 @@
+local opt = vim.opt
+local g = vim.g
+
+-- Allgemeine Einstellungen
+opt.number = true
+opt.cursorline = true
+opt.shortmess:append("I")
+opt.wrap = false
+opt.wildmenu = true
+opt.splitright = true
+opt.splitbelow = true
+opt.signcolumn = "yes"
+opt.termguicolors = true
+
+-- Rechtschreibprüfung
+opt.spelllang = { "de", "en" }
+opt.spell = true
+
+-- Optionen für ^n-Vervollständigung
+opt.complete = { ".", "w", "b", "u", "t", "i" }
+
+-- bessere Suche
+opt.hlsearch = true
+opt.incsearch = true
+opt.ignorecase = true
+opt.smartcase = true
+
+-- Sonderzeichen anzeigen
+opt.list = true
+opt.listchars = {
+  tab = "> ",
+  trail = "-",
+  extends = ">",
+  precedes = "<",
+  nbsp = "+"
+}
+opt.matchpairs:append("<:>")
+
+-- automatisches Einlesen geänderter Dateien
+opt.autoread = true
+
+-- Suche rekursiv
+opt.path:append("**")
+
+-- Tabs
+opt.expandtab = false
+opt.tabstop = 4
+opt.shiftwidth = 4
+opt.softtabstop = 0
+
+-- Einrückungen
+opt.smartindent = true
+opt.autoindent = true
+opt.cindent = true
+
+-- Faltungen
+opt.foldlevel = 1000
+opt.foldcolumn = "0"
+
+-- Autovervollständigung
+opt.completeopt = { "longest", "menuone", "noselect", "popup" }
+
+-- externe Programme
+opt.makeprg = "gmake"
+opt.autowrite = true
+
+-- Guifont
+opt.guifont = "JetBrains Mono Semibold:h12"
+
+-- Provider
+g.python3_host_prog = "/usr/local/bin/python"
+
+-- Provider aeaktivieren
+g.loaded_node_provider = 0
+g.loaded_ruby_provider = 0
+g.loaded_perl_provider = 0
+g.loaded_luarocks_provider = 0
+
+-- Swap files und Undo
+opt.swapfile = false
+opt.undofile = true
+opt.undolevels = 10000
+opt.undoreload = 10000
+
+-- Clipboard
+opt.clipboard = "unnamedplus"
+
+-- netrw deaktivieren
+g.loaded_netrw = 1
+g.loaded_netrwPlugin = 1
+
+g.mapleader = ","
+g.maplocalleader = "\\"
+
+vim.diagnostic.config({
+  virtual_text = true,
+  signs = true,
+  underline = true,
+  update_in_insert = false,
+  severity_sort = true,
+  float = { border = "rounded" },
+})
+
+vim.lsp.util.open_floating_preview = (function(orig)
+  return function(contents, syntax, opts, ...)
+    opts = opts or {}
+    opts.border = opts.border or "rounded"
+    return orig(contents, syntax, opts, ...)
+  end
+end)(vim.lsp.util.open_floating_preview)
diff --git a/nvim/lua/plugins/editing.lua b/nvim/lua/plugins/editing.lua
new file mode 100644
index 0000000..44f74c6
--- /dev/null
+++ b/nvim/lua/plugins/editing.lua
@@ -0,0 +1,20 @@
+return {
+  { "tpope/vim-repeat" },
+  { "tpope/vim-surround" },
+
+  {
+    "romainl/vim-cool",
+    event = "VeryLazy",
+  },
+
+  {
+    "windwp/nvim-autopairs",
+    event = "InsertEnter",
+    config = true,
+  },
+
+  {
+    "windwp/nvim-ts-autotag",
+    event = "InsertEnter",
+  },
+}
diff --git a/nvim/lua/plugins/git.lua b/nvim/lua/plugins/git.lua
new file mode 100644
index 0000000..1fd2418
--- /dev/null
+++ b/nvim/lua/plugins/git.lua
@@ -0,0 +1,7 @@
+return {
+  {
+    "lewis6991/gitsigns.nvim",
+    event = { "BufReadPre", "BufNewFile" },
+    config = true,
+  },
+}
diff --git a/nvim/lua/plugins/lsp.lua b/nvim/lua/plugins/lsp.lua
new file mode 100644
index 0000000..e888ae0
--- /dev/null
+++ b/nvim/lua/plugins/lsp.lua
@@ -0,0 +1,29 @@
+return {
+  {
+    "neovim/nvim-lspconfig",
+    lazy = false,
+    config = function()
+      vim.lsp.config.lua_ls = {
+        settings = {
+          Lua = {
+            diagnostics = {
+              globals = { "vim" },
+            },
+            workspace = {
+              checkThirdParty = false,
+              library = {
+                vim.fn.expand("$VIMRUNTIME/lua"),
+                vim.fn.expand("$XDG_CONFIG_HOME") .. "/nvim/lua",
+              },
+            },
+          },
+        },
+      }
+
+      vim.lsp.enable({
+        "clangd", -- pkg install llvm
+        "lua_ls", -- pkg install lua-language-server
+      })
+    end,
+  },
+}
diff --git a/nvim/lua/plugins/telescope.lua b/nvim/lua/plugins/telescope.lua
new file mode 100644
index 0000000..7633892
--- /dev/null
+++ b/nvim/lua/plugins/telescope.lua
@@ -0,0 +1,9 @@
+return {
+  {
+    "nvim-telescope/telescope.nvim",
+    dependencies = {
+      "nvim-lua/plenary.nvim",
+    },
+    lazy = true,
+  },
+}
diff --git a/nvim/lua/plugins/treesitter.lua b/nvim/lua/plugins/treesitter.lua
new file mode 100644
index 0000000..edcaff2
--- /dev/null
+++ b/nvim/lua/plugins/treesitter.lua
@@ -0,0 +1,29 @@
+-- https://github.com/nvim-treesitter/nvim-treesitter/blob/main/README.md
+
+return {
+  {
+    "nvim-treesitter/nvim-treesitter",
+    branch = "main",
+    build = ":TSUpdate",
+    lazy = false,
+    config = function()
+      local treesitter = require("nvim-treesitter")
+
+      treesitter.setup({})
+
+      -- https://github.com/nvim-treesitter/nvim-treesitter/blob/main/SUPPORTED_LANGUAGES.md
+      treesitter.install({
+        "c",
+        "cpp",
+        "html",
+        "python",
+        "vim",
+        "vimdoc",
+        "javascript",
+        "lua",
+        "typescript",
+        "vim",
+      })
+    end,
+  },
+}
diff --git a/nvim/lua/plugins/ui.lua b/nvim/lua/plugins/ui.lua
new file mode 100644
index 0000000..10c4762
--- /dev/null
+++ b/nvim/lua/plugins/ui.lua
@@ -0,0 +1,58 @@
+return {
+
+  {
+    "Mofiqul/vscode.nvim",
+    priority = 1000, -- wichtig: vor anderen UI-Plugins laden
+    lazy = false,
+    config = function()
+      local vscode = require("vscode")
+
+      vscode.setup({
+        style = "dark",
+        transparent = false,
+        italic_comments = true,
+        underline_links = true,
+        disable_nvimtree_bg = true,
+      })
+
+      vscode.load()
+    end,
+  },
+
+  {
+    "nvim-tree/nvim-tree.lua",
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    cmd = { "NvimTreeToggle", "NvimTreeOpen" },
+    keys = {
+      { "<leader>e", "<cmd>NvimTreeToggle<cr>", desc = "Explorer toggle" },
+    },
+    config = function()
+      require("nvim-tree").setup({
+        view = {
+          width = 30,
+        },
+        renderer = {
+          highlight_git = true,
+          icons = {
+            show = {
+              file = true,
+              folder = true,
+              git = true,
+            },
+          },
+        },
+        filters = {
+          dotfiles = false,
+        },
+      })
+    end,
+  },
+
+  {
+    "RRethy/vim-illuminate",
+    event = "BufReadPost",
+  },
+
+}
-- 
cgit v1.3