most usable config

init.lua

@@ -4,7 +4,7 @@ vim.g.mapleader = ' '
 -- Sensible defaults
 require('settings')
 require('plugins')
-require('keymappings')
 require('lsp')
 require('filetypes')
 require('theme')
+require('keymappings')

lua/keymappings.lua

@@ -1,15 +1,16 @@
 local utils = require('utils')
--- Clear highlights (search + trailing whitespace)
-utils.map('n', '<C-h>', '<cmd>noh<CR>')
-utils.map("n", "<C-k>", "<cmd>let _s=@/<Bar>:%s/\\s\\+$//e<Bar>:let @/=_s<Bar><CR>")
+
+-- Clear trailing whitespace
+utils.map("n", "<C-w>", "<cmd>let _s=@/<Bar>:%s/\\s\\+$//e<Bar>:let @/=_s<Bar><CR>")
 
 -- Use tab and shift+tab to cycle buffers
 utils.map("n", "<tab>", "<cmd>bn<cr>")
 utils.map("n", "<S-tab>", "<cmd>bp<cr>")
 
--- Turn spellchecker on
+-- Turn spellchecker on and off
 utils.map("n", "<leader>se", "<cmd>setlocal spell spelllang=en_us<cr>")
+utils.map("n", "<leader>sq", "<cmd>setlocal nospell")
 
--- Toggle line numbers and file tree
 utils.map("n", "<F3>", "<cmd>set nonumber!<CR>")
 utils.map("n", "<leader>fe", "<cmd>Oil<CR>")
+utils.map("n", "<C-x><C-f>", "<cmd>Neotree toggle<CR>")

lua/lsp.lua

@@ -8,10 +8,9 @@ local on_attach = function(client, bufnr)
     utils.map("n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>")
     utils.map("n", "<M-k>", "<cmd>lua vim.lsp.buf.type_definition()<CR>")
     utils.map("n", "<M-r>", "<cmd>lua vim.lsp.buf.rename()()<CR>")
-
+    utils.map("n", "[d", "<cmd>lua vim.diagnostic.goto_prev()<CR>")
+    utils.map("n", "]d", "<cmd>lua vim.diagnostic.goto_next()<CR>")
     utils.map("n", "<leader>ca", "<cmd>lua vim.lsp.buf.code_action()<CR>")
-
-    -- list/add/remove workspace folders, not that I use them often
     utils.map("n", "<leader>wl", "<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>")
     utils.map("n", "<leader>wa", "<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>")
     utils.map("n", "<leader>wr", "<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>")
@@ -76,9 +75,9 @@ nvim_lsp.rust_analyzer.setup({
                     enable = true,
                 },
             },
-            procMacro = {
-                enable = true
-            },
+            --procMacro = {
+            --    enable = true
+            --},
             checkOnSave = {
                 command = "clippy",
             },

lua/plugins/cmp.lua

@@ -2,12 +2,53 @@
 
 local utils = require('utils')
 
---vim.cmd [[set shortmess+=c]]
---utils.opt('o', 'completeopt', 'menuone,noselect')
+vim.cmd [[set shortmess+=c]]
+utils.opt('o', 'completeopt', 'menuone,noselect')
 
 local cmp = require('cmp')
+local cmp_kinds = {
+    Text = '  ',
+    Method = '󰊕  ',
+    Function = '󰊕  ',
+    Constructor = '  ',
+    Field = '  ',
+    Variable = '  ',
+    Class = '  ',
+    Interface = '  ',
+    Module = '  ',
+    Property = '  ',
+    Unit = '  ',
+    Value = '  ',
+    Enum = '  ',
+    Keyword = '  ',
+    Snippet = '  ',
+    Color = '  ',
+    File = '  ',
+    Reference = '  ',
+    Folder = '  ',
+    EnumMember = '  ',
+    Constant = '  ',
+    Struct = '  ',
+    Event = '  ',
+    Operator = '  ',
+    TypeParameter = '  ',
+}
 
 cmp.setup({
+    formatting = {
+        format = function(entry, vim_item)
+            -- Kind icons
+            vim_item.kind = string.format('%s %s', cmp_kinds[vim_item.kind], vim_item.kind)
+            vim_item.menu = ({
+                buffer = "[Buffer]",
+                nvim_lsp = "[LSP]",
+                luasnip = "[LuaSnip]",
+                nvim_lua = "[Lua]",
+                latex_symbols = "[LaTeX]",
+            })[entry.source.name]
+            return vim_item
+        end
+    },
     snippet = {
       -- REQUIRED - you must specify a snippet engine
       expand = function(args)
@@ -27,7 +68,6 @@ cmp.setup({
     mapping = cmp.mapping.preset.insert({
       ['<C-b>'] = cmp.mapping.scroll_docs(-4),
       ['<C-f>'] = cmp.mapping.scroll_docs(4),
-      ['<C-n>'] = cmp.mapping.complete(),
       ['<C-x><C-o>'] = cmp.mapping.complete(),
       ['<C-e>'] = cmp.mapping.abort(),
       ['<CR>'] = cmp.mapping.confirm({ select = false }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
@@ -44,13 +84,13 @@ cmp.setup({
 })
 
 -- Set configuration for specific filetype.
-cmp.setup.filetype('gitcommit', {
-    sources = cmp.config.sources({
-        { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
-    }, {
-        { name = 'buffer' },
-    })
-})
+--cmp.setup.filetype('gitcommit', {
+--    sources = cmp.config.sources({
+--        { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
+--    }, {
+--        { name = 'buffer' },
+--    })
+--})
 
 -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
 cmp.setup.cmdline({ '/', '?' }, {

lua/plugins/init.lua

@@ -5,6 +5,16 @@ require('packer').startup(function()
   -- Packer can manage itself as an optional plugin
   use {'wbthomason/packer.nvim', opt = true }
 
+  use {
+  "nvim-neo-tree/neo-tree.nvim",
+    branch = "v3.x",
+    requires = {
+      "nvim-lua/plenary.nvim",
+      "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+      "MunifTanjim/nui.nvim",
+    }
+  }
+
   -- Fuzzy finder
   use {
       'nvim-telescope/telescope.nvim',
@@ -53,7 +63,7 @@ require('packer').startup(function()
   }
   use { "lewis6991/gitsigns.nvim" }
 
-  -- Filesystem in a nvim buffer
+  -- Filesystem browser
   use { 'stevearc/oil.nvim' }
 
   -- Misc

lua/plugins/treesitter.lua

@@ -8,16 +8,13 @@ require('nvim-treesitter.configs').setup {
   ident = {
       enable = true,
   },
-  incremental_selection = {
+  rainbow = {
     enable = true,
-    keymaps = {
-      init_selection = "gnn", -- set to `false` to disable one of the mappings
-      node_incremental = "grn",
-      scope_incremental = "grc",
-      node_decremental = "grm",
-    },
+    extended_mode = false,
+    max_file_lines = nil,
   }
 }
 
 vim.api.nvim_set_hl(0, "@variable", { })
 vim.api.nvim_set_hl(0, "@parameter", { })
+vim.api.nvim_set_hl(0, "@field", { })