more cmp changes

lua/plugins/cmp.lua

@@ -1,5 +1,6 @@
 return {
   'hrsh7th/nvim-cmp',
+  branch = 'main',
   lazy = false,
   dependencies = {
     'neovim/nvim-lspconfig',
@@ -11,10 +12,18 @@ return {
     'saadparwaiz1/cmp_luasnip',
     'onsails/lspkind.nvim',
     'zbirenbaum/copilot-cmp',
+    'hrsh7th/cmp-path',
+    'dmitmel/cmp-cmdline-history',
+    'hrsh7th/cmp-nvim-lsp-signature-help',
   },
   config = function()
+    local t = function(str)
+      return vim.api.nvim_replace_termcodes(str, true, true, true)
+    end
+
     local cmp = require('cmp')
     local lspkind = require('lspkind')
+    local luasnip = require('luasnip')
     lspkind.init({
       symbol_map = {
         Copilot = '',
@@ -23,29 +32,75 @@ return {
     require('copilot_cmp').setup()
 
     cmp.setup({
+      preselect = cmp.PreselectMode.None,
       snippet = {
-        -- REQUIRED - you must specify a snippet engine
         expand = function(args)
           require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
         end,
       },
+      mapping = {
+        ['<Up>'] = cmp.mapping(cmp.mapping.select_prev_item(), { 'i', 'c', 's' }),
+        ['<Down>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 'c', 's' }),
+        ['<C-p>'] = cmp.mapping(cmp.mapping.select_prev_item(), { 'i', 'c', 's' }),
+        ['<C-n>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 'c', 's' }),
+        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c', 's' }),
+        ['<C-e>'] = cmp.mapping(cmp.mapping.close(), { 'i', 'c', 's' }),
+        ['<CR>'] = cmp.mapping({
+          i = function(fallback)
+            if cmp.visible() and cmp.get_active_entry() then
+              cmp.confirm({ behavior = cmp.ConfirmBehavior.Insert, select = false })
+            else
+              fallback()
+            end
+          end,
+          c = cmp.mapping.confirm({ select = false }),
+          s = cmp.mapping.confirm({ select = false }),
+        }),
+        ['<Tab>'] = cmp.mapping(function(fallback)
+          if luasnip.expand_or_jumpable() then
+            vim.api.nvim_feedkeys(t('<Plug>luasnip-expand-or-jump'), '', true)
+          else
+            fallback()
+          end
+        end, {
+          'i',
+          's',
+        }),
+        ['<S-Tab>'] = cmp.mapping(function(fallback)
+          if luasnip.jumpable(-1) then
+            vim.api.nvim_feedkeys(t('<Plug>luasnip-jump-prev'), '', true)
+          else
+            fallback()
+          end
+        end, { 'i', 's' }),
+        ['<c-x>'] = cmp.mapping(
+          cmp.mapping.complete({
+            config = {
+              sources = {
+                {
+                  name = 'cmdline_history',
+                },
+              },
+            },
+          }),
+          { 'c' }
+        ),
+      },
+      sources = cmp.config.sources({
+        { name = 'copilot' },
+        { name = 'nvim_lsp' },
+        { name = 'nvim_lsp_signature_help' },
+        { name = 'luasnip' },
+        { name = 'buffer' },
+        { name = 'path' },
+      }),
+
       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 = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
-      }),
-      sources = cmp.config.sources({
-        { name = 'copilot' },
-        { name = 'nvim_lsp' },
-        { name = 'luasnip' }, -- For luasnip users.
-        { name = 'buffer' },
-      }),
       formatting = {
         format = lspkind.cmp_format({
           mode = 'symbol',
@@ -60,33 +115,26 @@ return {
       },
     })
 
-    -- To use git you need to install the plugin petertriho/cmp-git and uncomment lines below
-    -- Set configuration for specific filetype.
-    --[[ cmp.setup.filetype('gitcommit', {
-    sources = cmp.config.sources({
-      { name = 'git' },
-    }, {
-      { name = 'buffer' },
-    })
- })
- require("cmp_git").setup() ]] --
-
     -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
     cmp.setup.cmdline({ '/', '?' }, {
       mapping = cmp.mapping.preset.cmdline(),
       sources = {
-        { name = 'buffer' }
+        { name = 'buffer' },
+        { name = 'cmdline_history' },
+        { name = 'path' },
+        { name = 'buffer' },
       }
     })
 
     -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
     cmp.setup.cmdline(':', {
       mapping = cmp.mapping.preset.cmdline(),
-      sources = cmp.config.sources({
+      sources = {
-        { name = 'path' }
+        { name = 'cmdline',         priority = 200 },
-      }, {
+        { name = 'path',            priority = 3 },
-        { name = 'cmdline' }
+        { name = 'cmdline_history', priority = 3 },
-      }),
+        { name = 'buffer',          priority = 3 }
+      },
       matching = { disallow_symbol_nonprefix_matching = false }
     })
   end