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/binds.lua   |  4 +++-
 .config/nvim/lua/opts.lua    | 55 +++++++++++++++++++++++++++++++++++++++-----
 .config/nvim/lua/plugins.lua | 22 +++++++++++++-----
 3 files changed, 68 insertions(+), 13 deletions(-)

diff --git a/.config/nvim/lua/binds.lua b/.config/nvim/lua/binds.lua
index aebde65..3f9c6a6 100644
--- a/.config/nvim/lua/binds.lua
+++ b/.config/nvim/lua/binds.lua
@@ -13,7 +13,9 @@ map('n', '<leader>h', ':wincmd h<CR>', opts)
 map('n', '<leader>j', ':wincmd j<CR>', opts)
 map('n', '<leader>k', ':wincmd k<CR>', opts)
 map('n', '<leader>l', ':wincmd l<CR>', opts)
-map('n', '<leader>pv', ':30Lex<CR>', opts) -- open simple file explorer
+
+map('n', '<C-n>', ':NvimTreeToggle<CR>', opts)
+map('n', '<leader>n', ':NvimTreeFindFile<CR>', opts)
 
 map('i', 'kj', '<Esc>', opts)
 map('i', ',', ',<c-g>u', opts)
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()'
diff --git a/.config/nvim/lua/plugins.lua b/.config/nvim/lua/plugins.lua
index 87e57ce..53ce20c 100644
--- a/.config/nvim/lua/plugins.lua
+++ b/.config/nvim/lua/plugins.lua
@@ -1,20 +1,22 @@
-return require('packer').startup(function()
+local use = require('packer').use
+require('packer').startup(function()
     use 'wbthomason/packer.nvim'
     use 'gruvbox-community/gruvbox'
     use 'tpope/vim-fugitive'
+    use 'tpope/vim-surround'
     use 'ThePrimeagen/vim-be-good'
-
     use 'neovim/nvim-lspconfig'
     use 'hrsh7th/nvim-cmp'
     use 'hrsh7th/cmp-nvim-lsp'
     use 'hrsh7th/cmp-buffer'
     use 'hrsh7th/cmp-path'
-
+    use 'saadparwaiz1/cmp_luasnip'
+    use 'L3MON4D3/LuaSnip'
     use 'kyazdani42/nvim-web-devicons'
     use 'norcalli/nvim-colorizer.lua'
     use 'b3nj5m1n/kommentary'
 
-    use { 
+    use {
         'nvim-telescope/telescope.nvim',
         requires = {
             {'nvim-lua/popup.nvim'},
@@ -34,13 +36,21 @@ return require('packer').startup(function()
         end
     }
 
+    use {
+        'nvim-treesitter/nvim-treesitter',
+        run = ':TSUpdate'
+    }
+
+    use { 'alvarosevilla95/luatab.nvim', requires='kyazdani42/nvim-web-devicons' }
+
     use {
         'hoob3rt/lualine.nvim',
         requires = {'kyazdani42/nvim-web-devicons', opt = true}
     }
 
     use {
-        'nvim-treesitter/nvim-treesitter',
-        run = ':TSUpdate'
+        'kyazdani42/nvim-tree.lua',
+        requires = 'kyazdani42/nvim-web-devicons',
+        config = function() require'nvim-tree'.setup {} end
     }
 end)
-- 
cgit v1.2.3-70-g09d2