Adjust key map settings

init.lua

@@ -20,6 +20,7 @@ end
 -- set up a line number on the current line but relative above and below to
 -- help with motion commands
 vim.opt.number = true
+vim.opt.numberwidth = 2
 vim.opt.relativenumber = true
 
 -- even with the nice space/tab autodetect, prefer 4 for tab stops but let file
@@ -54,7 +55,7 @@ vim.opt.expandtab = true
 vim.opt.hidden = true
 
 -- look for vimrc in the current directory as well as $MYVIMRC
--- e.g. place .nvim.lua at the root of a project directory for project specific settings
+-- e.g. place .init.lua at the root of a project directory for project specific settings
 vim.opt.exrc = true
 -- make looking for local changes secure
 vim.opt.secure = true

mapping.lua

@@ -1,3 +1,17 @@
+-- from: https://sharksforarms.dev/posts/neovim-rust/
+-- Set completeopt to have a better completion experience
+-- :help completeopt
+-- menuone: popup even when there's only one match
+-- noinsert: Do not insert text until a selection is made
+-- noselect: Do not select, force user to select one from the menu
+vim.opt.completeopt = "menuone,noinsert,noselect"
+
+-- Avoid showing extra messages when using completion
+vim.opt.shortmess:append('c')
+
+-- extend timeout to allow time for three character shortcuts
+vim.opt.timeoutlen = 1400
+
 local bufnr = vim.api.nvim_get_current_buf()
 local opts = { buffer = bufnr, noremap = true, silent = true }
 
@@ -23,7 +37,7 @@ vim.keymap.set('n', '<space>wl', function()
 end, opts)
 vim.keymap.set('n', '<leader>D', vim.lsp.buf.type_definition, opts)
 vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, opts)
-vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
+vim.keymap.set('n', '<leader>gr', vim.lsp.buf.references, opts)
 vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, opts)
 vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
 vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)