Setup tab and autocompletion

init.lua

@@ -14,6 +14,8 @@ local set = vim.opt -- set options
 set.tabstop = 8
 set.softtabstop = 8
 set.shiftwidth = 8
+-- Disable tab settings being overriden
+vim.cmd("filetype plugin indent off")
 
 -- Terminal Config
 -- Exit terminal mode with Esc
@@ -198,6 +200,30 @@ require('neogen').setup {
     -- jump_map = "<C-e>"       -- (DROPPED SUPPORT, see [here](#cycle-between-annotations) !) The keymap in order to jump in the annotation fields (in insert mode)
 }
 
+-- Built in tabcomplete/autocomplete setup
+function check_for_whitespace()
+  -- Get the current cursor position (row and column)
+  local row, col = unpack(vim.api.nvim_win_get_cursor(0))
+  -- Get the text of the current line
+  local linetext = vim.api.nvim_get_current_line()
+  -- Neovim's column is 0-based, Lua's string indices are 1-based.
+
+  -- Return true if we are at the start of the line (col == 0)
+  -- OR if the character before the cursor is a whitespace character (%s)
+  -- linetext:sub(col, col) gets the character at the column index
+  return col == 0 or string.match(linetext:sub(col, col), '%s') ~= nil
+end
+-- Tabcomplete:
+vim.api.nvim_set_keymap('i', '<Tab>', "pumvisible() ? '<C-y>' : v:lua.check_for_whitespace() ? '<Tab>' : '<C-x><C-n>'", { expr = true, silent = true })
+-- Autocomplete:
+-- vim.api.nvim_create_autocmd("InsertCharPre", {
+-- 	callback = function(ev)
+-- 		if vim.bo[ev.buf].buftype == '' and not (vim.fn.pumvisible() == 1) then
+-- 			vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes("<C-x><C-n>", true, false, true), 'i', false)
+-- 		end
+-- 	end,
+-- })
+
 -- LSP Configuration
 local lsp_zero = require('lsp-zero')
 -- https://lsp-zero.netlify.app/v3.x/language-server-configuration.html#default-keybindings
@@ -217,15 +243,11 @@ lsp_zero.on_attach(function(client, bufnr)
 
 	vim.lsp.inlay_hint.enable(true, { 0 })
 
-	vim.cmd("set tabstop=8")
-	vim.cmd("set shiftwidth=8")
-	vim.cmd("set softtabstop=8")
+	-- Override default omnifunc completer with LSP completion for LSP buffer
+	-- Tabcomplete:
+	-- vim.api.nvim_set_keymap('i', '<Tab>', "pumvisible() ? '<C-y>' : v:lua.check_for_whitespace() ? '<Tab>' : '<cmd>lua vim.lsp.completion.get()<CR>'", { expr = true, silent = true })
 end)
 
--- LSP Autocompletion settings
-vim.keymap.set('i', '<c-space>', function()
-  vim.lsp.completion.get()
-end)
 
 --local lspconfig = require("lspconfig")
 vim.lsp.enable("lua_ls")