From 706089cafe16a0b9a6faad2d111269f4faf9b4a4 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Thu, 20 Jan 2022 12:32:35 +0100
Subject: Adjusts nvim config

---
 .config/nvim/init.vim | 132 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 129 insertions(+), 3 deletions(-)

diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index e143cd6..b152723 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -15,6 +15,20 @@ Plug 'nvim-telescope/telescope.nvim'
 
 Plug 'airblade/vim-gitgutter'
 
+Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
+
+Plug 'iamcco/markdown-preview.nvim', {'do': { -> mkdp#util#install() }, 'for': ['markdown', 'vim-plug']}
+" if install fails do `:call mkdp#util#install() manually`
+
+Plug 'neovim/nvim-lspconfig'
+Plug 'williamboman/nvim-lsp-installer'
+Plug 'hrsh7th/nvim-cmp'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'saadparwaiz1/cmp_luasnip'
+Plug 'L3MON4D3/LuaSnip'
+
+Plug 'https://gitlab.com/dweipert.de/rclone.nvim'
+
 call plug#end()
 
 
@@ -36,10 +50,13 @@ hi Normal guibg=NONE ctermbg=NONE
 " Nerdtree
 
 let g:NERDTreeShowHidden=1
+let g:NERDTreeGitStatusShowIgnored=1
 
-autocmd StdinReadPre * let s:std_in=1
-autocmd VimEnter * NERDTree | if argc() > 0 || exists('s:std_ine') | wincmd p | endif
-autocmd VimEnter * if argc() > 0 | silent NERDTreeFind | wincmd p | endif
+if !&diff
+  autocmd StdinReadPre * let s:std_in=1
+  autocmd VimEnter * NERDTree | if argc() > 0 || exists('s:std_ine') | wincmd p | endif
+  autocmd VimEnter * if argc() > 0 | silent NERDTreeFind | wincmd p | endif
+endif
 
 autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif
 autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
@@ -54,6 +71,115 @@ nnoremap <leader>fg <cmd>Telescope live_grep<CR>
 nnoremap <leader><leader> <cmd>Telescope buffers<CR>
 
 
+" Treesitter
+
+lua <<EOF
+require('nvim-treesitter.configs').setup {
+  ensure_installed = 'maintained', -- one of "all", "maintained" (parsers with maintainers), or a list of languages
+  sync_install = false, -- install languages synchronously (only applied to `ensure_installed`)
+  indent = {
+    enable = true,
+  },
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = false,
+  },
+}
+EOF
+
+
+" LSP
+
+lua <<EOF
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  -- Enable completion triggered by <c-x><c-o>
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+
+  -- See :help vim.lsp.* for documentation on any of the below functions
+  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+  buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+end
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
+
+vim.o.completeopt = 'menuone,noselect'
+
+local lsp_installer = require('nvim-lsp-installer')
+lsp_installer.on_server_ready(function(server)
+  server:setup({
+    on_attach = on_attach,
+    capabilities = capabilities,
+  })
+end)
+
+local cmp = require('cmp')
+local luasnip = require('luasnip')
+cmp.setup {
+  snippet = {
+    expand = function(args)
+      luasnip.lsp_expand(args.body)
+    end,
+  },
+  mapping = {
+    ['<C-p>'] = cmp.mapping.select_prev_item(),
+    ['<C-n>'] = cmp.mapping.select_next_item(),
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.close(),
+    ['<CR>'] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Replace,
+      select = true,
+    },
+    ['<Tab>'] = function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      elseif luasnip.expand_or_jumpable() then
+        luasnip.expand_or_jump()
+      else
+        fallback()
+      end
+    end,
+    ['<S-Tab>'] = function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      elseif luasnip.jumpable(-1) then
+        luasnip.jump(-1)
+      else
+        fallback()
+      end
+    end,
+  },
+  sources = {
+    { name = 'nvim_lsp' },
+    { name = 'luasnip' },
+  },
+}
+EOF
+
+
 " "
 " Keys
 " "
-- 
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