more stuff too lazy to seperate

after/plugin/cmp.lua

@@ -3,34 +3,6 @@ if not status_ok then
 	return
 end
 
-local lspicons = {
-  Text = 'Tx',
-  Snippet = '<>',
-  Method = '{}',
-  Function = '{}',
-  Constructor = '{}',
-  Field = '""',
-  Variable = 'i=',
-  Class = '{}',
-  Interface = '.h',
-  Module = '{}',
-  Property = '@p',
-  Unit = '  ',
-  Value = 'x=',
-  Enum = 'E#',
-  Keyword = '$1',
-  Color = '  ',
-  File = '#`',
-  Reference = '  ',
-  Folder = '[/',
-  EnumMember = '  ',
-  Constant = 'c=',
-  Struct = '  ',
-  Event = '  ',
-  Operator = '%*',
-  TypeParameter = '  ',
-}
-
 local has_words_before = function()
   unpack = unpack or table.unpack
   local line, col = unpack(a.nvim_win_get_cursor(0))
@@ -38,11 +10,9 @@ local has_words_before = function()
   [1]:sub(col, col):match("%s") == nil
 end
 
--- insert '(' after completing a function
-cmp.event:on(
-  'confirm_done',
-  require('nvim-autopairs.completion.cmp').on_confirm_done()
-)
+-- insert '()' after completing a function
+cmp.event:on('confirm_done',
+  require('nvim-autopairs.completion.cmp').on_confirm_done())
 
 local luasnip = require('luasnip')
 local neogen = require('neogen')
@@ -57,7 +27,7 @@ cmp.setup {
 
   sources = cmp.config.sources({
     { name = 'nvim_lsp', keyword_length = 3 },
-    { name = 'luasnip', keyword_length = 3 },
+    { name = 'luasnip_choice' },
     { name = 'async_path' },
     { name = 'buffer', keyword_length = 3, max_item_count = 7 },
     { name = 'calc' },
@@ -80,12 +50,17 @@ cmp.setup {
   -- mappings -----------------------------------------------------------------
   mapping = cmp.mapping.preset.insert({
     ["<Tab>"] = cmp.mapping(function(fallback)
-      if cmp.visible() then
+      if #cmp.get_entries() == 1 then
+        cmp.confirm({ select = true })
+      elseif cmp.visible() then
         cmp.select_next_item()
       elseif luasnip.expand_or_locally_jumpable() then
         luasnip.expand_or_jump()
       elseif has_words_before() then
         cmp.complete()
+        if #cmp.get_entries() == 1 then
+          cmp.confirm({ select = true })
+        end
       elseif neogen.jumpable() then
         neogen.jump_next()
       else
@@ -103,7 +78,7 @@ cmp.setup {
         fallback()
       end
     end, { "i", "s" }),
-    ['<CR>'] = cmp.mapping({
+    ['<CR>'] = cmp.mapping {
       i = function(fallback)
         if cmp.visible() and cmp.get_active_entry() then
           cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false })
@@ -112,9 +87,13 @@ cmp.setup {
         end
       end,
       s = cmp.mapping.confirm({ select = true }),
-      c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true }),
-    }),
+      c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace,
+        select = true }),
+    },
+    ["<C-u>"] = cmp.mapping.scroll_docs(-4),
+    ["<C-d>"] = cmp.mapping.scroll_docs(4),
     ['<ESC>'] = cmp.mapping.close(),
+    ["<C-e>"] = cmp.mapping.abort(),
   }),
 
   sorting = {
@@ -122,12 +101,12 @@ cmp.setup {
       cmp.config.compare.offset,
       cmp.config.compare.exact,
       cmp.config.compare.score,
-      require "cmp-under-comparator".under,
+      require("cmp-under-comparator").under,
       cmp.config.compare.kind,
       cmp.config.compare.sort_text,
       cmp.config.compare.length,
       cmp.config.compare.order,
-    },
+    }
   },
   enabled = function()
     local context = require 'cmp.config.context'
@@ -135,7 +114,7 @@ cmp.setup {
       return true
     else
       return not context.in_treesitter_capture("comment")
-      and not context.in_syntax_group("Comment")
+        and not context.in_syntax_group("Comment")
     end
   end
 }