nvim: Configure auto-completion

1 files changed, 30 insertions, 1 deletions

diff --git a/nvim/init.lua b/nvim/init.lua
index 7760aac..9d50ab3 100644
--- a/nvim/init.lua
+++ b/nvim/init.lua
@@ -24,4 +24,33 @@ vim.keymap.set('n', '<F6>', ':%!xxd <LF>')
 vim.cmd.highlight('SpellBad', 'ctermbg=Red')
 vim.cmd.highlight('SpellBad', 'ctermfg=Black')
 
-require'lspconfig'.clangd.setup{}
+local cmp = require'cmp'
+cmp.setup({
+  snippet = {
+    expand = function(args)
+      require('luasnip').lsp_expand(args.body)
+    end,
+  },
+  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 }),
+  }),
+  sources = cmp.config.sources({
+    { name = 'nvim_lsp' },
+    { name = 'luasnip' },
+  }, {
+    { name = 'buffer' },
+  })
+})
+
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
+require'lspconfig'.clangd.setup{
+  capabilities = capabilities
+}