.vimrc

syntax on

set backspace=indent,eol,start
autocmd FileType c,cpp setlocal equalprg=clang-format
autocmd FileType nix setlocal equalprg=nixfmt

set clipboard=unnamedplus
set number relativenumber
set encoding=utf-8
set shiftwidth=4
set showcmd
set wildmenu  
set nowrap
set smartcase
set incsearch
set smartindent

" Enable the list of buffers
let g:airline#extensions#tabline#enabled = 1

" Show just the filename
let g:airline#extensions#tabline#fnamemod = ':t'

nnoremap <C-Left> :bprevious<CR>                                                                            
nnoremap <C-Right> :bnext<CR>
nnoremap <C-j> :bprevious<CR>                                                                            
nnoremap <C-k> :bnext<CR> 
nnoremap <C-t> :enew<CR> 
nnoremap <C-w> :bp <BAR> bd #<CR> 
nnoremap <C-p> :Files<CR> 

" Plugin config and stuff
set nocompatible              " be iMproved, required
filetype off                  " required

" let Vundle manage Vundle, required
call plug#begin('~/.vim/plugged')

" Theme
Plug 'vim-airline/vim-airline'
Plug 'crusoexia/vim-monokai'
Plug 'kien/rainbow_parentheses.vim'
let g:rbpt_colorpairs = [
    \ ['brown',       'RoyalBlue3'],
    \ ['Darkblue',    'SeaGreen3'],
    \ ['darkgray',    'DarkOrchid3'],
    \ ['darkgreen',   'firebrick3'],
    \ ['darkcyan',    'RoyalBlue3'],
    \ ['darkred',     'SeaGreen3'],
    \ ['darkmagenta', 'DarkOrchid3'],
    \ ['brown',       'firebrick3'],
    \ ['gray',        'RoyalBlue3'],
    \ ['darkmagenta', 'DarkOrchid3'],
    \ ['Darkblue',    'firebrick3'],
    \ ['darkgreen',   'RoyalBlue3'],
    \ ['darkcyan',    'SeaGreen3'],
    \ ['darkred',     'DarkOrchid3'],
    \ ['red',         'firebrick3'],
    \ ]
let g:rbpt_max = 16
let g:rbpt_loadcmd_toggle = 0
au VimEnter * RainbowParenthesesToggle
au Syntax * RainbowParenthesesLoadRound
au Syntax * RainbowParenthesesLoadSquare
au Syntax * RainbowParenthesesLoadBraces

Plug 'ap/vim-css-color'

" On-demand loading
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'tpope/vim-fireplace', { 'for': 'clojure' }

" Plugin outside ~/.vim/plugged with post-update hook
Plug   'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug   'junegunn/fzf.vim'


Plug   'tpope/vim-fugitive'
Plug   'Chiel92/vim-autoformat'

" VSCode plugin
Plug   'neoclide/coc.nvim', {'branch': 'release'}

" All of your Plugins must be added before the following line
call plug#end()

colorscheme monokai
let &t_ut='' " fixes weird background

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice.
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction


" Use tab for trigger completion with characters ahead and navigate.
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
      \ coc#pum#visible() ? coc#pum#next(1) :
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use K to show documentation in preview window.
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  endif
endfunction


" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

filetype plugin indent on    " required" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1

function WriteCreatingDirs()
    execute ':silent !mkdir -p %:h'
    write
endfunction
command W call WriteCreatingDirs()

noremap <C-_> <Plug>CommentaryLine <bar> j