added Icons for different completion sources and types in the completionmenu

nvim/.config/nvim/after/plugin/nvim-cmp.lua

@@ -1,15 +1,59 @@
 -- Set up nvim-cmp with luasnip 
 
+local kind_icons = {
+    Text = "",
+    Method = "",
+    Function = "",
+    Constructor = "",
+    Field = "",
+    Variable = "",
+    Class = "ﴯ",
+    Interface = "",
+    Module = "",
+    Property = "ﰠ",
+    Unit = "",
+    Value = "",
+    Enum = "",
+    Keyword = "",
+    Snippet = "",
+    Color = "",
+    File = "",
+    Reference = "",
+    Folder = "",
+    EnumMember = "",
+    Constant = "",
+    Struct = "",
+    Event = "",
+    Operator = "",
+    TypeParameter = ""
+}
+
 local has_words_before = function()
-  unpack = unpack or table.unpack
+    unpack = unpack or table.unpack
-  local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+    local line, col = unpack(vim.api.nvim_win_get_cursor(0))
-  return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+    return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
 end
 
 local luasnip = require("luasnip")
 local cmp = require'cmp'
 
 cmp.setup({
+    formatting = {
+        format = function(entry, vim_item)
+            -- Kind icons
+            vim_item.kind = string.format('%s %s', kind_icons[vim_item.kind], vim_item.kind) -- This concatonates the icons with the name of the item kind
+            -- Source
+            vim_item.menu = ({
+                buffer = "[Buffer]",
+                nvim_lsp = "[LSP]",
+                luasnip = "[LuaSnip]",
+                nvim_lua = "[Lua]",
+                latex_symbols = "[LaTeX]",
+            })[entry.source.name]
+            return vim_item
+        end
+    },
+
     snippet = {
         -- REQUIRED - you must specify a snippet engine
         expand = function(args)
@@ -27,7 +71,7 @@ cmp.setup({
     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-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.
         ["<Tab>"] = cmp.mapping(function(fallback)