nvim: added completion engine

src/.config/nvim/init.vim

@@ -161,8 +161,11 @@ if has('python3')
 
 	" my devices without python3 probably don't need these
 	Plug 'neovim/nvim-lspconfig'
-	Plug 'nvim-lua/completion-nvim'
 	Plug 'nvim-lua/lsp-status.nvim'
+
+	Plug 'hrsh7th/nvim-cmp'
+	Plug 'hrsh7th/cmp-nvim-lsp'
+
 	Plug 'stevearc/dressing.nvim'
 endif
 

src/.config/nvim/lua/init.lua

@@ -97,3 +97,22 @@ require('leap').opts.labels = { "a", "s", "d",
 	"f", "k", "l", "h", "o", "d", "w", "e", "m", "b",
 	"u", "y", "v", "r", "g", "t", "c", "x", "/", "z",
 }
+
+local cmp = require'cmp'
+cmp.setup({
+	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 = 'buffer' },
+	})
+})