From cae577e428d68cd3547a3ee52462a8b822358d40 Mon Sep 17 00:00:00 2001
From: Adam <56338480+adastx@users.noreply.github.com>
Date: Thu, 7 Oct 2021 00:35:29 +0200
Subject: nvim setup snippets, nvim-tree, lualine(tabline)

---
 .config/nvim/lua/opts.lua | 55 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 6 deletions(-)

(limited to '.config/nvim/lua/opts.lua')

diff --git a/.config/nvim/lua/opts.lua b/.config/nvim/lua/opts.lua
index 259f460..126d6c4 100644
--- a/.config/nvim/lua/opts.lua
+++ b/.config/nvim/lua/opts.lua
@@ -1,19 +1,60 @@
+-- SNIPPETS
+local nvim_lsp = require('lspconfig')
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
+
+local servers = { 'omnisharp', 'html', 'sumneko_lua', 'bashls', 'tsserver', 'cssls' }
+for _, lsp in ipairs(servers) do
+    nvim_lsp[lsp].setup {
+        capabilities = capabilities,
+    }
+end
+
+vim.o.completeopt = 'menuone,noselect'
+local luasnip = require 'luasnip'
+
 -- CMP
 local cmp = require 'cmp'
-
 cmp.setup {
+    snippet = {
+        expand = function(args)
+            require('luasnip').lsp_expand(args.body)
+        end,
+    },
     mapping = {
-        ['<Tab>'] = cmp.mapping.select_next_item(),
-        ['<S-Tab>'] = cmp.mapping.select_prev_item(),
+        ['<C-n>'] = cmp.mapping.select_next_item(),
+        ['<C-p>'] = cmp.mapping.select_prev_item(),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-Space>'] = cmp.mapping.complete(),
         ['<C-e>'] = cmp.mapping.close(),
-        ['<CR>'] = cmp.mapping.confirm({
+        ['<CR>'] = cmp.mapping.confirm {
             behavior = cmp.ConfirmBehavior.Replace,
             select = true,
-        })
+        },
+        ['<Tab>'] = function(fallback)
+            if vim.fn.pumvisible() == 1 then
+                vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-n>', true, true, true), 'n')
+            elseif luasnip.expand_or_jumpable() then
+                vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-expand-or-jump', true, true, true), '')
+            else
+                fallback()
+            end
+        end,
+        ['<S-Tab>'] = function(fallback)
+            if vim.fn.pumvisible() == 1 then
+                vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-p>', true, true, true), 'n')
+            elseif luasnip.jumpable(-1) then
+                vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-jump-prev', true, true, true), '')
+            else
+                fallback()
+            end
+        end,
     },
     sources = {
         { name = 'nvim_lsp' },
-    }
+        { name = 'luasnip' },
+    },
 }
 
 -- C#
@@ -69,4 +110,6 @@ require'nvim-treesitter.configs'.setup {
     },
 }
 
+-- Misc
 require('kommentary.config').use_extended_mappings()
+vim.o.tabline = '%!v:lua.require\'luatab\'.tabline()'
-- 
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