vim: use luasnip

1 files changed, 139 insertions, 18 deletions

diff --git a/.vim/lua/plugins.lua b/.vim/lua/plugins.lua
index bef00cc..49748e8 100644
--- a/.vim/lua/plugins.lua
+++ b/.vim/lua/plugins.lua
@@ -364,15 +364,19 @@ return require('packer').startup({function()
   use {'hrsh7th/nvim-cmp', -- {{{
     requires = {
       'hrsh7th/cmp-buffer',
+      'hrsh7th/cmp-cmdline',
       'hrsh7th/cmp-path',
       'hrsh7th/cmp-nvim-lua',
       'hrsh7th/cmp-nvim-lsp',
-      -- 3rd party
-      'dcampos/cmp-snippy',
+      'hrsh7th/cmp-nvim-lsp-document-symbol',
+      'hrsh7th/cmp-nvim-lsp-signature-help',
+      'saadparwaiz1/cmp_luasnip',
       'f3fora/cmp-spell',
+      'onsails/lspkind-nvim',
     },
     config = function()
       local cmp = require('cmp')
+      local luasnip = require('luasnip')
       cmp.setup {
         completion = {
           -- autocomplete = { cmp.TriggerEvent.TextChanged }
@@ -383,46 +387,163 @@ return require('packer').startup({function()
           border = { '', '', '', ' ', '', '', '', ' ' },
         },
         mapping = {
-          ['<cr>'] = cmp.mapping.confirm(),
+          ['<cr>'] = cmp.mapping(function(fallback)
+              if cmp.visible() then
+                cmp.confirm({ select = true })
+              elseif luasnip.expandable() then
+                luasnip.expand()
+              else
+                fallback()
+              end
+            end),
           ['<c-space>'] = cmp.mapping.complete(),
-          ['<c-e>'] = cmp.mapping.close(),
+          ['<c-e>'] = cmp.mapping({
+              i = cmp.mapping.abort(),
+              c = cmp.mapping.close(),
+            }),
+          ['<c-n>'] = cmp.mapping(function(fallback)
+              if cmp.visible() then
+                cmp.select_next_item()
+              elseif luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+              else
+                fallback()
+              end
+            end, { 'i', 's'}),
+          ['<c-p>'] = cmp.mapping(function(fallback)
+              if cmp.visible() then
+                cmp.select_prev_item()
+              elseif luasnip.jumpable(-1) then
+                luasnip.jump(-1)
+              else
+                fallback()
+              end
+            end, { 'i', 's'}),
+          ['<tab>'] = cmp.mapping({
+              i = function(fallback)
+                if cmp.visible() then
+                  cmp.confirm({ select = true })
+                elseif luasnip.expandable() then
+                  luasnip.expand()
+                else
+                  fallback()
+                end
+              end,
+              s = function(fallback)
+                if cmp.visible() then
+                  cmp.select_next_item()
+                else
+                  fallback()
+                end
+              end,
+              c = function(fallback)
+                if cmp.visible() then
+                  cmp.select_next_item()
+                else
+                  fallback()
+                end
+              end,
+            }),
+          ['<s-tab>'] = cmp.mapping({
+              s = function(fallback)
+                if cmp.visible() then
+                  cmp.select_prev_item()
+                else
+                  fallback()
+                end
+              end,
+              c = function(fallback)
+                if cmp.visible() then
+                  cmp.select_prev_item()
+                else
+                  fallback()
+                end
+              end,
+            }),
         },
         snippet = {
           expand = function(args)
-            require('snippy').expand_snippet(args.body)
+            require('luasnip').lsp_expand(args.body)
           end,
         },
-        sources = {
+        sources = cmp.config.sources({
           { name = 'nvim_lsp' },
-          { name = 'snippy' },
+          { name = 'nvim_lsp_signature_help' },
+          { name = 'luasnip' },
           { name = 'nvim_lua' },
+        }, {
           { name = 'neorg' },
           { name = 'orgmode' },
           { name = 'spell', keyword_length = 3, max_item_count = 10 },
           { name = 'path' },
           { name = 'buffer', keyword_length = 3 },
-        },
+        }),
         formatting = {
           format = require('lspkind').cmp_format {
             with_text = false,
             menu = {
-              nvim_lsp = '[lsp]',
-              snippy   = '[snip]',
-              nvim_lua = '[nvim]',
-              orgmode  = '[org]',
-              spell    = '[spell]',
-              path     = '[path]',
-              buffer   = '[buf]',
+              nvim_lsp = '[LSP]',
+              luasnip  = '[SNIP]',
+              nvim_lua = '[NVIM]',
+              orgmode  = '[ORG]',
+              spell    = '[SPELL]',
+              path     = '[PATH]',
+              buffer   = '[BUF]',
             }
           }
         },
-        experimental = {
-          native_menu = false,
-          -- ghost_text = { hl_group = 'Comment' }
+      }
+      cmp.setup.cmdline('/', {
+        sources = cmp.config.sources({
+          { name = 'nvim_lsp_document_symbol' }
+        }, {
+          { name = 'buffer' }
+        })
+      })
+      cmp.setup.cmdline(':', {
+        sources = cmp.config.sources({
+          { name = 'path' }
+        }, {
+          { name = 'cmdline' }
+        })
+      })
+
+      require('lspkind').init {
+        symbol_map = {
+          Text = '',
+          Method = '',
+          Function = '',
+          Constructor = '',
+          Field = '',
+          Variable = '',
+          Class = '󰄶',
+          Interface = '',
+          Module = '',
+          Property = '󱊈',
+          Unit = '󰒠',
+          Value = '',
+          Enum = '',
+          Keyword = '',
+          Snippet = '',
+          Color = '',
+          File = '',
+          Reference = '',
+          Folder = '',
+          EnumMember = '',
+          Constant = '',
+          Struct = 'פּ',
+          Event = '',
+          Operator = '',
+          TypeParameter = '',
         }
       }
     end} -- }}}
 
+  use {'L3MON4D3/LuaSnip', -- {{{
+    config = function()
+      require('snips')
+    end} -- }}}
+
   use {'nvim-telescope/telescope.nvim', --- {{{
     requires = {
       'nvim-lua/popup.nvim',