style cmp window

nvim/.config/nvim/lua/plugins/autocompletion.lua

@@ -37,9 +37,11 @@ return { -- Autocompletion
 		--  into multiple repos for maintenance purposes.
 		"hrsh7th/cmp-nvim-lsp",
 		"hrsh7th/cmp-path",
+		"onsails/lspkind.nvim",
 	},
 	config = function()
 		-- See `:help cmp`
+		local lspkind = require("lspkind")
 		local cmp = require("cmp")
 		local luasnip = require("luasnip")
 		luasnip.config.setup({})
@@ -115,6 +117,40 @@ return { -- Autocompletion
 				{ name = "luasnip" },
 				{ name = "path" },
 			},
+
+			formatting = {
+				fields = { "kind", "abbr", "menu" },
+				expandable_indicator = true,
+				format = lspkind.cmp_format({
+					mode = "symbol_text", -- show only symbol annotations
+					menu = {
+						buffer = "[Buffer]",
+						nvim_lsp = "[LSP]",
+						luasnip = "[LuaSnip]",
+						nvim_lua = "[Lua]",
+						latex_symbols = "[Latex]",
+					},
+					maxwidth = 50, -- prevent the popup from showing more than provided characters (e.g 50 will not show more than 50 characters)
+					-- can also be a function to dynamically calculate max width such as
+					-- maxwidth = function() return math.floor(0.45 * vim.o.columns) end,
+					ellipsis_char = "...", -- when popup menu exceed maxwidth, the truncated part would show ellipsis_char instead (must define maxwidth first)
+					show_labelDetails = true, -- show labelDetails in menu. Disabled by default
+					-- The function below will be called before any actual modifications from lspkind
+					-- so that you can provide more controls on popup customization. (See [#30](https://github.com/onsails/lspkind-nvim/pull/30))
+					before = function(entry, vim_item)
+						return vim_item
+					end,
+				}),
+			},
+			window = {
+				completion = cmp.config.window.bordered({
+					col_offset = -3,
+					side_padding = 1,
+				}),
+				documentation = cmp.config.window.bordered({
+					winhighlight = "Normal:CursorLine",
+				}),
+			},
 		})
 	end,
 }