a lot more stuff

lua/conf/plugins/cmp.lua

@@ -1,14 +1,22 @@
+local lsp = require('core.lsp.functions')
+
 return { 'hrsh7th/nvim-cmp',
   requires = {
     'nvim-treesitter/nvim-treesitter',
-    'lukas-reineke/cmp-under-comparator' -- better results
+    'lukas-reineke/cmp-under-comparator', -- better results
+    'xzbdmw/colorful-menu.nvim' -- fancy colors
   },
 
   -- suppliers for completions (they require nvim-cmp to be loaded before they are)
   deps = {
     'hrsh7th/cmp-buffer', -- buffers
     'FelipeLema/cmp-async-path', -- path
-    'hrsh7th/cmp-nvim-lsp', -- lsp
+    { 'hrsh7th/cmp-nvim-lsp',
+      function()
+        -- add lsp capabilities
+        lsp.add_capabilities(require('cmp_nvim_lsp').default_capabilities())
+      end
+    }, -- lsp
     'hrsh7th/cmp-nvim-lsp-signature-help', -- completion information
     { 'L3MON4D3/cmp-luasnip-choice', -- luasnip
       requires = 'L3MON4D3/LuaSnip'
@@ -19,6 +27,7 @@ return { 'hrsh7th/nvim-cmp',
     local cmp = require('cmp')
     local luasnip = require('luasnip')
 
+    -- setup cmp
     cmp.setup {
       -- disable when in comments
       enabled = function()
@@ -44,8 +53,8 @@ return { 'hrsh7th/nvim-cmp',
       -- how to sort results
       sorting = {
         comparators = {
-          cmp.config.compare.offset,
           cmp.config.compare.exact,
+          cmp.config.compare.offset,
           cmp.config.compare.score,
           require('cmp-under-comparator').under,
           cmp.config.compare.kind,
@@ -80,16 +89,24 @@ return { 'hrsh7th/nvim-cmp',
       formatting = {
         fields = { 'menu', 'abbr', 'kind' },
         format = function(entry, item)
+          local hl_info = require("colorful-menu").cmp_highlights(entry)
           local menu_icon = {
             nvim_lsp = 'λ',
-            nvim_lua = 'v',
             luasnip = '%',
             buffer = '@',
             path = '#',
             async_path = '#'
           }
 
+          -- add a little icon
           item.menu = menu_icon[entry.source.name]
+
+          -- add highlights
+          if hl_info ~= nil then
+            item.abbr_hl_group = hl_info.highlights
+            item.abbr = hl_info.text
+          end
+
           return item
         end
       },
@@ -107,25 +124,14 @@ return { 'hrsh7th/nvim-cmp',
 
       -- mappings
       mapping = cmp.mapping.preset.insert {
-        ["<C-y>"] = cmp.mapping(function()
-          cmp.confirm({ select = true })
-        end, { "i", "c" }),
-
-        ["<C-n>"] = cmp.mapping(function()
-          if cmp.visible() then
-            cmp.select_next_item()
-          end
-        end),
-
-        ["<C-p>"] = cmp.mapping(function()
-          if cmp.visible() then
-            cmp.select_prev_item()
-          end
-        end),
-
+        ["<C-y>"] = cmp.mapping.confirm {
+          select = true
+        },
+        ["<C-n>"] = cmp.mapping.select_next_item(),
+        ["<C-p>"] = cmp.mapping.select_prev_item(),
         ["<C-u>"] = cmp.mapping.scroll_docs(-4),
         ["<C-d>"] = cmp.mapping.scroll_docs(4),
-        ['<ESC>'] = cmp.mapping.close()
+        ["<ESC>"] = cmp.mapping.close()
       }
     }
   end