nvim settings continued

.config/nvim/lua/config/plugins/completion.lua

@@ -0,0 +1,81 @@
+-- completion.lua
+local has_cmp, cmp = pcall(require, 'cmp')
+if not has_cmp then
+  print("Warning: nvim-cmp not found. Autocompletion won't be available.")
+  return
+end
+
+local has_luasnip, luasnip = pcall(require, 'luasnip')
+if not has_luasnip then
+  print("Warning: luasnip not found. Snippet expansion won't be available.")
+  return
+end
+
+cmp.setup({
+  snippet = {
+    expand = function(args)
+      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 = false }), -- Accept explicitly selected item
+
+    -- Tab support
+    ['<Tab>'] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      elseif luasnip.expand_or_jumpable() then
+        luasnip.expand_or_jump()
+      else
+        fallback()
+      end
+    end, { 'i', 's' }),
+    ['<S-Tab>'] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      elseif luasnip.jumpable(-1) then
+        luasnip.jump(-1)
+      else
+        fallback()
+      end
+    end, { 'i', 's' }),
+  }),
+  sources = cmp.config.sources({
+    { name = 'nvim_lsp' },
+    { name = 'luasnip' },
+    { name = 'buffer' },
+    { name = 'path' },
+  }),
+  formatting = {
+    format = function(entry, vim_item)
+      -- Add icons
+      vim_item.menu = ({
+        nvim_lsp = "[LSP]",
+        luasnip = "[Snippet]",
+        buffer = "[Buffer]",
+        path = "[Path]",
+      })[entry.source.name]
+      return vim_item
+    end,
+  },
+})
+
+-- Enable command-line completion
+cmp.setup.cmdline(':', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = cmp.config.sources({
+    { name = 'path' },
+    { name = 'cmdline' }
+  })
+})
+
+print("Completion system initialized!")
+