add nvim-cmp

init.plugins.vim

@@ -50,6 +50,16 @@ let g:material_style = 'lighter'
 
   " setings after plug#end
   "}}}
+"   #nvim-cmp {{{
+	" https://github.com/hrsh7th/nvim-cmp/
+  " completion
+	Plug 'hrsh7th/nvim-cmp'
+	Plug 'hrsh7th/cmp-nvim-lsp'
+	Plug 'hrsh7th/cmp-buffer'
+	Plug 'hrsh7th/cmp-path'
+	" Plug 'hrsh7th/cmp-nvim-ultisnips'
+
+  "}}}
 
 " keeping
 "   #vim-hexokinase {{{
@@ -480,6 +490,35 @@ end
 EOF
 
   "}}}
+"   #cmp-nvim-ultisnips {{{
+lua <<EOF
+  local cmp = require'cmp'
+  cmp.setup({
+	completion = {
+		keyword_length = 4
+		-- autocomplete = false
+	},
+    -- snippet = {
+    --   expand = function(args)
+    --     vim.fn["vsnip#anonymous"](args.body)
+    --   end,
+    -- },
+    mapping = {
+      ['<C-n>'] = cmp.mapping.complete(),
+      ['<C-y>'] = cmp.mapping.confirm({ select = true }),
+      ['<C-e>'] = cmp.mapping.abort(),
+    },
+    sources = {
+      { name = 'buffer' },
+      { name = 'nvim_lsp' },
+      { name = 'path' },
+      --{ name = 'ultisnips' },
+      ...
+    }
+  })
+EOF
+
+  "}}}