init.lua

vim.cmd("set expandtab")
vim.cmd("set tabstop=4")
vim.cmd("set softtabstop=4")
vim.cmd("set shiftwidth=4")
vim.cmd("set number")
vim.cmd("set relativenumber")
vim.api.nvim_set_keymap('i', 'jj', '<Esc>', { noremap = true, silent = true })

-- blocky cursor
vim.opt.guicursor = ""

-- Set a custom highlight for the current line number
vim.opt.cursorline = true

-- Bootstrap lazy.nvim
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)


local plugins = {    

  -- telescope
  {'nvim-telescope/telescope.nvim', tag = '0.1.8',
   dependencies = { 'nvim-lua/plenary.nvim' }
  },

  -- treesitter
  {
    "nvim-treesitter/nvim-treesitter", build = ":TSUpdate"
  },

    -- neotree
  {
    "nvim-neo-tree/neo-tree.nvim",
    branch = "v3.x",
    dependencies = {
      "nvim-lua/plenary.nvim",
      "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
      "MunifTanjim/nui.nvim",
    },
  },
    -- theme
    { "EdenEast/nightfox.nvim" },
    { 'MunifTanjim/nui.nvim'},

    -- lsp
    { "williamboman/mason.nvim",
      "williamboman/mason-lspconfig.nvim",
      "neovim/nvim-lspconfig"
    },

    -- completion & snippets
    {"hrsh7th/nvim-cmp"},
    {"hrsh7th/cmp-nvim-lsp"},
    {"L3MON4D3/LuaSnip"},
    {"saadparwaiz1/cmp_luasnip"},
    {"rafamadriz/friendly-snippets"},

    -- lualine
    {
    'nvim-lualine/lualine.nvim',
      dependencies = { 'nvim-tree/nvim-web-devicons' }
    }
}


local opts = {}
require("lazy").setup(plugins, opts)

local builtin  = require("telescope.builtin")
vim.keymap.set('n', '<C-p>', builtin.find_files, {})
vim.keymap.set('n', ' ', builtin.live_grep, {})

local config = require("nvim-treesitter.configs")
config.setup({
  auto_install = true,
  highlight = { enable = true },
  indent = { enable = true },
})

require('lualine').setup {
  options = {
    icons_enabled = true,
    theme = 'terafox',
    component_separators = { left = '', right = ''},
    section_separators = { left = '', right = ''},
    disabled_filetypes = {
      statusline = {},
      winbar = {},
    },
    ignore_focus = {},
    always_divide_middle = true,
    always_show_tabline = true,
    globalstatus = false,
    refresh = {
      statusline = 100,
      tabline = 100,
      winbar = 100,
    }
  },
  sections = {
    lualine_a = {'mode'},
    lualine_b = {'branch', 'diff', 'diagnostics'},
    lualine_c = {'filename'},
    lualine_x = {'encoding', 'fileformat', 'filetype'},
    lualine_y = {'progress'},
    lualine_z = {'location'}
  },
  inactive_sections = {
    lualine_a = {},
    lualine_b = {},
    lualine_c = {'filename'},
    lualine_x = {'location'},
    lualine_y = {},
    lualine_z = {}
  },
  tabline = {},
  winbar = {},
  inactive_winbar = {},
  extensions = {}
}

-- Default options
require('nightfox').setup({
  options = {
    -- Compiled file's destination location
    compile_path = vim.fn.stdpath("cache") .. "/nightfox",
    compile_file_suffix = "_compiled", -- Compiled file suffix
    transparent = false,     -- Disable setting background
    terminal_colors = true,  -- Set terminal colors (vim.g.terminal_color_*) used in `:terminal`
    dim_inactive = false,    -- Non focused panes set to alternative background
    module_default = true,   -- Default enable value for modules
    colorblind = {
      enable = false,        -- Enable colorblind support
      simulate_only = false, -- Only show simulated colorblind colors and not diff shifted
      severity = {
        protan = 0,          -- Severity [0,1] for protan (red)
        deutan = 0,          -- Severity [0,1] for deutan (green)
        tritan = 0,          -- Severity [0,1] for tritan (blue)
      },
    },
    styles = {               -- Style to be applied to different syntax groups
      comments = "NONE",     -- Value is any valid attr-list value `:help attr-list`
      conditionals = "NONE",
      constants = "NONE",
      functions = "NONE",
      keywords = "NONE",
      numbers = "NONE",
      operators = "NONE",
      strings = "NONE",
      types = "NONE",
      variables = "NONE",
    },
    inverse = {             -- Inverse highlight for different types
      match_paren = false,
      visual = false,
      search = false,
    },
    modules = {             -- List of various plugins and additional options
      -- ...
    },
  },
  palettes = {},
  specs = {},
  groups = {},
})

require("mason").setup({
  ui = {
        icons = {
            package_installed = "✓",
            package_pending = "➜",
            package_uninstalled = "✗"
        }
    }
})

require("mason-lspconfig").setup(
  {
    ensure_installed = {"clangd", "pylyzer", "glsl_analyzer", "lua_ls"}
  }
)

local lspconfig = require("lspconfig")
local capabilities = require("cmp_nvim_lsp").default_capabilities()
lspconfig.lua_ls.setup({capabilities = capabilities})
lspconfig.clangd.setup({capabilities = capabilities})
lspconfig.pylyzer.setup({capabilities = capabilities})
lspconfig.glsl_analyzer.setup({capabilities = capabilities})

-- autocompletion
local cmp = require("cmp")
cmp.setup({
  snippet = {
    -- REQUIRED - you must specify a snippet engine
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
       require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
    end,
  },
  window = {
    -- completion = cmp.config.window.bordered(),
    -- documentation = cmp.config.window.bordered(),
  },
  mapping = cmp.mapping.preset.insert({
    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.abort(),
    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
  }),
  sources = cmp.config.sources({
    { name = 'nvim_lsp' },
     { name = 'luasnip' }, -- For luasnip users.
    },
    {
    { name = 'buffer' },
  })
})
require("luasnip.loaders.from_vscode").lazy_load()

-- this keymap seems to be defualt anyway
--vim.keymap.set('n','K',vim.lsp.buf.hover, {})
vim.keymap.set('n', 'gd', vim.lsp.buf.definition, {})
vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, {})
vim.cmd("colorscheme terafox")
vim.keymap.set('n', '<C-n>', ':Neotree toggle <CR>', {})