init.lua

vim.g.mapleader = ' '
vim.g.maplocalleader = ' '

vim.g.have_nerd_font = true

-- Manually add C++ becuase conform for some reason does not work for it.
vim.api.nvim_create_autocmd('BufWritePre', {
  pattern = { '*.c', '*.cpp', '*.h', '*.hpp', '*.m', '*.mm', '*.rs' },
  callback = function()
    require('conform').format { lsp_fallback = true }
  end,
})

vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.mouse = 'a'
vim.opt.showmode = false
vim.opt.expandtab = true
vim.opt.shiftwidth = 4
vim.opt.tabstop = 4
vim.opt.softtabstop = 4

vim.schedule(function()
  vim.opt.clipboard = 'unnamedplus'
end)

-- Enable break indent
vim.opt.breakindent = true
vim.opt.smartindent = true

-- Save undo history
vim.opt.undofile = true

-- Case-insensitive searching UNLESS \C or one or more capital letters in the search term
vim.opt.ignorecase = true
vim.opt.smartcase = true
vim.opt.showtabline = 0

-- Keep signcolumn on by default
vim.opt.signcolumn = 'yes'

-- Decrease update time
vim.opt.updatetime = 250

-- Decrease mapped sequence wait time
-- Displays which-key popup sooner
vim.opt.timeoutlen = 300

-- Configure how new splits should be opened
vim.opt.splitright = true
vim.opt.splitbelow = true

-- Sets how neovim will display certain whitespace characters in the editor.
--  See `:help 'list'`
--  and `:help 'listchars'`
vim.opt.list = false
vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }

-- Preview substitutions live, as you type!
vim.opt.inccommand = 'split'

-- Show which line your cursor is on
vim.opt.cursorline = true

-- Minimal number of screen lines to keep above and below the cursor.
vim.opt.scrolloff = 10

-- Use relative numbers in normal mode and absolute numbers in insert mode
vim.api.nvim_create_augroup('numbertoggle', { clear = true })
vim.api.nvim_create_autocmd({ 'InsertEnter' }, {
  group = 'numbertoggle',
  pattern = '*',
  callback = function()
    vim.opt.relativenumber = false
  end,
})

vim.api.nvim_create_autocmd({ 'InsertLeave' }, {
  group = 'numbertoggle',
  pattern = '*',
  callback = function()
    vim.opt.relativenumber = true
  end,
})

-- User command to call ClangdSwitchSourceHeader
vim.api.nvim_create_user_command('SwitchSourceHeader', function()
  vim.cmd 'ClangdSwitchSourceHeader'
end, {})

-- Keybinding for ClangdSwitchSourceHeader
vim.api.nvim_set_keymap('n', '<leader>sh', ':ClangdSwitchSourceHeader<CR>', { noremap = true, silent = true })

-- [[ Basic Keymaps ]]
--  See `:help vim.keymap.set()`

-- Clear highlights on search when pressing <Esc> in normal mode
--  See `:help hlsearch`
vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')

-- Diagnostic keymaps
vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })
vim.keymap.set('n', '<C-u>', '<C-u>zz', { noremap = true, silent = true })
vim.keymap.set('n', '<C-d>', '<C-d>zz', { noremap = true, silent = true })

-- Exit terminal mode in the builtin terminal with a shortcut that is a bit easier
-- for people to discover. Otherwise, you normally need to press <C-\><C-n>, which
-- is not what someone will guess without a bit more experience.
--
-- NOTE: This won't work in all terminal emulators/tmux/etc. Try your own mapping
-- or just use <C-\><C-n> to exit terminal mode
vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' })

-- TIP: Disable arrow keys in normal mode
vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')

vim.keymap.set('i', '<left>', '<cmd>echo "Use h to move!!"<CR>')
vim.keymap.set('i', '<right>', '<cmd>echo "Use l to move!!"<CR>')
vim.keymap.set('i', '<up>', '<cmd>echo "Use k to move!!"<CR>')
vim.keymap.set('i', '<down>', '<cmd>echo "Use j to move!!"<CR>')

-- Keybinds to make split navigation easier.
--  Use CTRL+<hjkl> to switch between windows
--
--  See `:help wincmd` for a list of all window commands
vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })

-- [[ Basic Autocommands ]]
--  See `:help lua-guide-autocommands`

-- Highlight when yanking (copying) text
--  Try it with `yap` in normal mode
--  See `:help vim.highlight.on_yank()`
vim.api.nvim_create_autocmd('TextYankPost', {
  desc = 'Highlight when yanking (copying) text',
  group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
  callback = function()
    vim.highlight.on_yank()
  end,
})

-- [[ Install `lazy.nvim` plugin manager ]]
--    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info
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
    error('Error cloning lazy.nvim:\n' .. out)
  end
end ---@diagnostic disable-next-line: undefined-field
vim.opt.rtp:prepend(lazypath)

require('lazy').setup({
  {
    'windwp/nvim-autopairs',
    config = function()
      require('nvim-autopairs').setup {
        disable_filetype = { 'TelescopePrompt', 'vim' },
        check_ts = true,
      }
    end,
  },
  {
    'nvim-telescope/telescope.nvim',
    event = 'VimEnter',
    branch = '0.1.x',
    dependencies = {
      'nvim-lua/plenary.nvim',
      {
        'nvim-telescope/telescope-fzf-native.nvim',

        build = 'cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release && cmake --build build --config Release',
      },
      { 'nvim-telescope/telescope-ui-select.nvim' },
      { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
    },
    config = function()
      require('telescope').setup {
        pickers = {
          find_files = {
            previewer = false,
          },
        },
        extensions = {
          ['ui-select'] = {
            require('telescope.themes').get_dropdown(),
          },
        },
      }
      pcall(require('telescope').load_extension, 'fzf')
      pcall(require('telescope').load_extension, 'ui-select')

      local builtin = require 'telescope.builtin'
      -- vim.keymap.set('n', '<leader>sh', builtin.help_tags, { desc = '[S]earch [H]elp' })
      vim.keymap.set('n', '<leader>sk', builtin.keymaps, { desc = '[S]earch [K]eymaps' })
      vim.keymap.set('n', '<leader>sf', builtin.find_files, { desc = '[S]earch [F]iles' })
      vim.keymap.set('n', '<leader>ss', builtin.builtin, { desc = '[S]earch [S]elect Telescope' })
      vim.keymap.set('n', '<leader>sw', builtin.grep_string, { desc = '[S]earch current [W]ord' })
      vim.keymap.set('n', '<leader>sg', builtin.live_grep, { desc = '[S]earch by [G]rep' })
      vim.keymap.set('n', '<leader>sd', builtin.diagnostics, { desc = '[S]earch [D]iagnostics' })
      vim.keymap.set('n', '<leader>sr', builtin.resume, { desc = '[S]earch [R]esume' })
      vim.keymap.set('n', '<leader>s.', builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
      vim.keymap.set('n', '<leader><leader>', builtin.buffers, { desc = '[ ] Find existing buffers' })

      vim.keymap.set('n', '<leader>/', function()
        builtin.current_buffer_fuzzy_find(require('telescope.themes').get_dropdown {
          winblend = 10,
          previewer = false,
        })
      end, { desc = '[/] Fuzzily search in current buffer' })

      vim.keymap.set('n', '<leader>s/', function()
        builtin.live_grep {
          grep_open_files = true,
          prompt_title = 'Live Grep in Open Files',
        }
      end, { desc = '[S]earch [/] in Open Files' })

      vim.keymap.set('n', '<leader>sn', function()
        builtin.find_files { cwd = vim.fn.stdpath 'config' }
      end, { desc = '[S]earch [N]eovim files' })
    end,
  },
  {
    'folke/lazydev.nvim',
    ft = 'lua',
    opts = {
      library = {
        { path = 'luvit-meta/library', words = { 'vim%.uv' } },
      },
    },
  },
  { 'Bilal2453/luvit-meta', lazy = true },
  {
    'neovim/nvim-lspconfig',
    dependencies = {
      { 'williamboman/mason.nvim', config = true }, -- NOTE: Must be loaded before dependants
      'williamboman/mason-lspconfig.nvim',
      'WhoIsSethDaniel/mason-tool-installer.nvim',

      { 'j-hui/fidget.nvim', opts = {} },
      'hrsh7th/cmp-nvim-lsp',
    },
    config = function()
      vim.api.nvim_create_autocmd('LspAttach', {
        group = vim.api.nvim_create_augroup('kickstart-lsp-attach', { clear = true }),
        callback = function(event)
          local map = function(keys, func, desc)
            vim.keymap.set('n', keys, func, { buffer = event.buf, desc = 'LSP: ' .. desc })
          end

          vim.diagnostic.config {
            virtual_text = false, -- Disable inline text
            float = { border = 'rounded' },
            signs = true, -- Show signs in the gutter
            update_in_insert = false,
          }

          -- Show diagnostics on hover
          vim.api.nvim_create_autocmd('CursorHold', {
            pattern = '*',
            callback = function()
              vim.diagnostic.open_float(nil, { focus = false, scope = 'cursor' })
            end,
          })

          map('gd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')
          map('gr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
          map('gI', require('telescope.builtin').lsp_implementations, '[G]oto [I]mplementation')
          map('<leader>D', require('telescope.builtin').lsp_type_definitions, 'Type [D]efinition')
          map('<leader>ds', require('telescope.builtin').lsp_document_symbols, '[D]ocument [S]ymbols')
          map('<leader>ws', require('telescope.builtin').lsp_dynamic_workspace_symbols, '[W]orkspace [S]ymbols')
          map('<leader>rn', vim.lsp.buf.rename, '[R]e[n]ame')
          map('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
          map('gD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')

          -- The following two autocommands are used to highlight references of the
          local client = vim.lsp.get_client_by_id(event.data.client_id)
          if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then
            local highlight_augroup = vim.api.nvim_create_augroup('kickstart-lsp-highlight', { clear = false })
            vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
              buffer = event.buf,
              group = highlight_augroup,
              callback = vim.lsp.buf.document_highlight,
            })

            vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
              buffer = event.buf,
              group = highlight_augroup,
              callback = vim.lsp.buf.clear_references,
            })

            vim.api.nvim_create_autocmd('LspDetach', {
              group = vim.api.nvim_create_augroup('kickstart-lsp-detach', { clear = true }),
              callback = function(event2)
                vim.lsp.buf.clear_references()
                vim.api.nvim_clear_autocmds { group = 'kickstart-lsp-highlight', buffer = event2.buf }
              end,
            })
          end

          if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_inlayHint) then
            map('<leader>th', function()
              vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled { bufnr = event.buf })
            end, '[T]oggle Inlay [H]ints')
          end
        end,
      })

      local capabilities = vim.lsp.protocol.make_client_capabilities()
      capabilities = vim.tbl_deep_extend('force', capabilities, require('cmp_nvim_lsp').default_capabilities())

      local servers = {
        lua_ls = {
          settings = {
            Lua = {
              completion = {
                callSnippet = 'Replace',
              },
            },
          },
        },
        clangd = {
          setup = {
            cmd = { 'clangd', '--header-insertion=never' },
          },
          capabilities = {
            offsetEncoding = { 'utf-16' },
          },
        },
        rust_analyzer = {
          settings = {
            ['rust-analyzer'] = {
              check = {
                command = 'clippy',
              },
            },
          },
        },
      }

      require('mason').setup()

      local ensure_installed = vim.tbl_keys(servers or {})
      vim.list_extend(ensure_installed, {
        'stylua',
      })
      require('mason-tool-installer').setup { ensure_installed = ensure_installed }

      require('mason-lspconfig').setup {
        handlers = {
          function(server_name)
            local server = servers[server_name] or {}
            server.capabilities = vim.tbl_deep_extend('force', {}, capabilities, server.capabilities or {})
            require('lspconfig')[server_name].setup(server)
          end,
        },
      }
    end,
  },

  { -- Autoformat
    'stevearc/conform.nvim',
    event = { 'BufWritePre' },
    cmd = { 'ConformInfo' },
    keys = {
      {
        '<leader>f',
        function()
          require('conform').format { async = true, lsp_fallback = true }
        end,
        mode = '',
        desc = '[F]ormat buffer',
      },
    },
    opts = {
      notify_on_error = true,
      format_on_save = {
        enabled = true,
        timeout_ms = 500,
      },
      formatters_by_ft = {
        lua = { 'stylua' },
      },
      lsp_fallback = true,
    },
  },

  { -- Autocompletion
    'hrsh7th/nvim-cmp',
    event = 'InsertEnter',
    dependencies = {
      {
        'L3MON4D3/LuaSnip',
        build = (function()
          if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then
            return
          end
          return 'make install_jsregexp'
        end)(),
        dependencies = {
          -- `friendly-snippets` contains a variety of premade snippets.
          --    See the README about individual language/framework/plugin snippets:
          --    https://github.com/rafamadriz/friendly-snippets
          -- {
          --   'rafamadriz/friendly-snippets',
          --   config = function()
          --     require('luasnip.loaders.from_vscode').lazy_load()
          --   end,
          -- },
        },
      },
      'saadparwaiz1/cmp_luasnip',

      -- Adds other completion capabilities.
      --  nvim-cmp does not ship with all sources by default. They are split
      --  into multiple repos for maintenance purposes.
      'hrsh7th/cmp-nvim-lsp',
      'hrsh7th/cmp-path',
    },
    config = function()
      -- See `:help cmp`
      local cmp = require 'cmp'
      local luasnip = require 'luasnip'
      luasnip.config.setup {}

      cmp.setup {
        snippet = {
          expand = function(args)
            luasnip.lsp_expand(args.body)
          end,
        },
        completion = { completeopt = 'menu,menuone,noinsert' },

        mapping = cmp.mapping.preset.insert {
          ['<C-j>'] = cmp.mapping.select_next_item(),
          ['<C-k>'] = cmp.mapping.select_prev_item(),
          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
          ['<C-f>'] = cmp.mapping.scroll_docs(4),
          ['<tab>'] = cmp.mapping.confirm { select = true },
          ['<C-Space>'] = cmp.mapping.complete {},
          ['<C-l>'] = cmp.mapping(function()
            if luasnip.expand_or_locally_jumpable() then
              luasnip.expand_or_jump()
            end
          end, { 'i', 's' }),
          ['<C-h>'] = cmp.mapping(function()
            if luasnip.locally_jumpable(-1) then
              luasnip.jump(-1)
            end
          end, { 'i', 's' }),
        },
        sources = {
          {
            name = 'lazydev',
            -- set group index to 0 to skip loading LuaLS completions as lazydev recommends it
            group_index = 0,
          },
          { name = 'nvim_lsp' },
          { name = 'luasnip' },
          { name = 'path' },
        },
      }
    end,
  },
  {
    'blazkowolf/gruber-darker.nvim',
    priority = 1000,
    opts = {
      bold = false,
    },
    config = function()
      vim.cmd 'colorscheme gruber-darker'
    end,
  },
  -- Highlight todo, notes, etc in comments
  {
    'folke/todo-comments.nvim',
    event = 'VimEnter',
    dependencies = { 'nvim-lua/plenary.nvim' },
    opts = { signs = false },
  },
  { -- Collection of various small independent plugins/modules
    'echasnovski/mini.nvim',
    config = function()
      -- Better Around/Inside textobjects
      --
      -- Examples:
      --  - va)  - [V]isually select [A]round [)]paren
      --  - yinq - [Y]ank [I]nside [N]ext [Q]uote
      --  - ci'  - [C]hange [I]nside [']quote
      require('mini.ai').setup { n_lines = 500 }

      -- Add/delete/replace surroundings (brackets, quotes, etc.)
      --
      -- - saiw) - [S]urround [A]dd [I]nner [W]ord [)]Paren
      -- - sd'   - [S]urround [D]elete [']quotes
      -- - sr)'  - [S]urround [R]eplace [)] [']
      require('mini.surround').setup()
    end,
  },
  { -- Highlight, edit, and navigate code
    'nvim-treesitter/nvim-treesitter',
    build = ':TSUpdate',
    main = 'nvim-treesitter.configs', -- Sets main module to use for opts
    -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
    opts = {
      ensure_installed = {
        'bash',
        'c',
        'diff',
        'html',
        'lua',
        'luadoc',
        'markdown',
        'markdown_inline',
        'query',
        'vim',
        'vimdoc',
        'zig',
        'rust',
        'cpp',
      },
      -- Autoinstall languages that are not installed
      auto_install = true,
      highlight = {
        enable = true,
        -- Some languages depend on vim's regex highlighting system (such as Ruby) for indent rules.
        --  If you are experiencing weird indenting issues, add the language to
        --  the list of additional_vim_regex_highlighting and disabled languages for indent.
        additional_vim_regex_highlighting = { 'ruby' },
      },
      indent = { enable = false, disable = { 'ruby' } },
      incremental_selection = {
        enable = true,
        keymaps = {
          init_selection = '<C-space',
          node_incremental = '<C-space>',
          scope_incremental = '<C-s>',
          node_decremental = '<C-backspace>',
        },
      },
    },
    -- There are additional nvim-treesitter modules that you can use to interact
    -- with nvim-treesitter. You should go explore a few and see what interests you:
    --
    --    - Incremental selection: Included, see `:help nvim-treesitter-incremental-selection-mod`
    --    - Show your current context: https://github.com/nvim-treesitter/nvim-treesitter-context
    --    - Treesitter + textobjects: https://github.com/nvim-treesitter/nvim-treesitter-textobjects
  },
  {
    'nvim-lualine/lualine.nvim',
    dependencies = { 'nvim-tree/nvim-web-devicons' },
    config = function()
      require('lualine').setup {
        sections = {
          lualine_x = { 'encoding' },
          lualine_y = { 'filetype' },
        },
      }
    end,
  },
}, {
  ui = {
    -- If you are using a Nerd Font: set icons to an empty table which will use the
    -- default lazy.nvim defined Nerd Font icons, otherwise define a unicode icons table
    icons = vim.g.have_nerd_font and {} or {
      cmd = '⌘',
      config = '🛠',
      event = '📅',
      ft = '📂',
      init = '⚙',
      keys = '🗝',
      plugin = '🔌',
      runtime = '💻',
      require = '🌙',
      source = '📄',
      start = '🚀',
      task = '📌',
      lazy = '💤 ',
    },
  },
})

-- The line beneath this is called `modeline`. See `:help modeline`
-- vim: ts=2 sts=2 sw=2 et