Own changes:

* Include vimtree
* hlsearch set to true
* diagnostic
* clangd options
* select in item list
* Remove trailing white space when saving

Change-Id: I01a02333163f1d8720dc2349a524f0da3c32e1db

init.lua

@@ -188,6 +188,11 @@ require('lazy').setup({
       },
     },
   },
+  -- File browser
+  {
+    "nvim-telescope/telescope-file-browser.nvim",
+    dependencies = { "nvim-telescope/telescope.nvim", "nvim-lua/plenary.nvim" }
+  },
 
   {
     -- Highlight, edit, and navigate code
@@ -198,6 +203,18 @@ require('lazy').setup({
     build = ':TSUpdate',
   },
 
+  {
+    "nvim-tree/nvim-tree.lua",
+    version = "*",
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    config = function()
+      require("nvim-tree").setup {}
+    end,
+  },
+  'jremmen/vim-ripgrep',
+
   -- NOTE: Next Step on Your Neovim Journey: Add/Configure additional "plugins" for kickstart
   --       These are some example plugins that I've included in the kickstart repository.
   --       Uncomment any of the lines below to enable them.
@@ -218,7 +235,7 @@ require('lazy').setup({
 -- NOTE: You can change these options as you wish!
 
 -- Set highlight on search
-vim.o.hlsearch = false
+vim.o.hlsearch = true
 
 -- Make line numbers default
 vim.wo.number = true
@@ -288,6 +305,8 @@ require('telescope').setup {
   },
 }
 
+require("telescope").load_extension "file_browser"
+
 -- Enable telescope fzf native, if installed
 pcall(require('telescope').load_extension, 'fzf')
 
@@ -381,6 +400,9 @@ vim.keymap.set('n', ']d', vim.diagnostic.goto_next, { desc = 'Go to next diagnos
 vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, { desc = 'Open floating diagnostic message' })
 vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostics list' })
 
+-- Nvim Tree browser
+vim.keymap.set('n', '<C-e>', "<cmd>NvimTreeToggle<CR>", { desc = "Open file explorer" })
+
 -- [[ Configure LSP ]]
 --  This function gets run when an LSP connects to a particular buffer.
 local on_attach = function(_, bufnr)
@@ -402,6 +424,7 @@ local on_attach = function(_, bufnr)
   nmap('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
 
   nmap('gd', vim.lsp.buf.definition, '[G]oto [D]efinition')
+  nmap('ge', vim.diagnostic.open_float, '[G]oto Error')
   nmap('gr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
   nmap('gI', vim.lsp.buf.implementation, '[G]oto [I]mplementation')
   nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
@@ -466,13 +489,21 @@ mason_lspconfig.setup {
 
 mason_lspconfig.setup_handlers {
   function(server_name)
+    if 'clangd' == server_name then
+      require('lspconfig')[server_name].setup {
+        capabilities = capabilities,
+        on_attach = on_attach,
+        settings = servers[server_name],
+        cmd =  {'clangd', '--background-index', '-header-insertion=never'}
+      }
+    else
       require('lspconfig')[server_name].setup {
         capabilities = capabilities,
         on_attach = on_attach,
         settings = servers[server_name],
-      filetypes = (servers[server_name] or {}).filetypes,
       }
     end
+  end,
 }
 
 -- [[ Configure nvim-cmp ]]
@@ -488,11 +519,11 @@ cmp.setup {
       luasnip.lsp_expand(args.body)
     end,
   },
-  mapping = cmp.mapping.preset.insert {
-    ['<C-n>'] = cmp.mapping.select_next_item(),
-    ['<C-p>'] = cmp.mapping.select_prev_item(),
-    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+  mapping = {
+    ['<C-d>'] = cmp.mapping.select_next_item(),
+    ['<C-s>'] = cmp.mapping.select_prev_item(),
+    --['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-e>'] = cmp.mapping.close(),
     ['<C-Space>'] = cmp.mapping.complete {},
     ['<CR>'] = cmp.mapping.confirm {
       behavior = cmp.ConfirmBehavior.Replace,
@@ -525,3 +556,12 @@ cmp.setup {
 
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et
+--nvim-tree.actions.change_dir.enable = false
+
+vim.keymap.set('i', '<S-Tab>', '<Tab>', { desc = 'Make Tabs' })
+vim.keymap.set('n', 'Q', '"_d', { desc = 'Make Tabs' })
+
+vim.api.nvim_create_autocmd({ "BufWritePre" }, {
+  pattern = { "*" },
+  command = [[%s/\s\+$//e]],
+})