.vimrc

" VIM SETTINGS

set mouse=a
set encoding=utf-8
set scrolloff=5
set history=1000 " Keep 1000 lines of history.
set ruler " Always show the cursor position.
set number
set relativenumber " Show line numbers relative to cursor where cursor number is always zero.
set termguicolors

" OSX stupid backspace fix
set backspace=indent,eol,start

set expandtab " Use spaces instead of tabs when indenting.
set smarttab " Indent instead of tabbing at the beginning of a line.
set shiftwidth=4 " Indent by 2 spaces.
set tabstop=4 " Hard tab stop.
set softtabstop=4 " Soft tab stop.

set incsearch " Incrementally highlight search pattern as it is updated.
set hlsearch " Highlight search matches after entering search pattern.
set ignorecase " Use case insensitive search pattern matching by default.
set smartcase " Override 'ignorecase' setting if search pattern contains uppercase characters.

set spell " Enable spell checking.
set complete+=kspell " Enables use of CONTROL+N or CONTROL+P within Insert mode to complete words being typed.

set winwidth=120 " Default window width.
set winheight=10 " Default window height.
set winminheight=10 " Minimum window height.
set winheight=1000 " Reset window height.

set tags=./.tags; " Use CTags as generated by Sublime Text.

syntax on " Enable syntax highlighting.
filetype plugin indent on " Enable file type specific indentation.

" Buffer configuration
set hidden

colorscheme gruvbox
set bg=dark

" Vim-Airline Configuration
let g:airline#extensions#tabline#enabled = 1
let g:airline_powerline_fonts = 1
let g:airline_theme='dark_minimal'
let g:hybrid_custom_term_colors = 1
let g:hybrid_reduced_contrast = 1
let g:airline_section_b = '%{strftime("%c")}'
let g:airline_section_y = 'BN: %{bufnr("%")}'

" Delete trailing whitespaces when saving
" http://vim.wikia.com/wiki/Remove_unwanted_spaces
autocmd FileType c,cpp,php,yaml,py autocmd BufWritePre <buffer> %s/\s\+$//e

" Auto-Commands
autocmd FileType gitcommit setlocal spell " Enables spell checking for Git commits.
autocmd FileType markdown setlocal spell " Enables spell checking for Markdown files.

" Extensions
" execute pathogen#infect()
runtime macros/matchit.vim

" Coc config
let g:coc_global_extensions = [
  \ 'coc-json',
  \ 'coc-clangd',
  \ 'coc-yaml',
  \ 'coc-python',
  \ 'coc-markdownlint',
  \ ]

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
set signcolumn=yes

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()
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)

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

function! s:show_documentation()
    if (index(['vim','help'], &filetype) >= 0)
        execute 'h '.expand('<cword>')
    else
        call CocAction('doHover')
    endif
endfunction

" Highlight the symbol and its references when holding the
" cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" 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)

augroup mygroup
    autocmd!
    " Setup formatexpr specified filetype(s).
    autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
    " Update signature help on jump placeholder.
    autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current line.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Mappings using CoCList:
" Show all diagnostics.
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
map <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
map <silent> <space>p  :<C-u>CocListResume<CR>

" Grepper config
let g:grepper = {}
let g:grepper.tools = ['rg', 'git']

nmap gs  <plug>(GrepperOperator)
xmap gs  <plug>(GrepperOperator)

" NERDTree settings
" NERDTree shows when opening vim without file or with a directory
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif
:let g:NERDTreeWinSize=60 " NERDTree window width
let NERDTreeShowHidden=1 " NERDTree shows hidden files
" NERDTree toggle
map <C-n> :NERDTreeToggle<CR>
" Close VIM if NERDTree is the last opened window
autocmd BufEnter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" sync open file with NERDTree
" Check if NERDTree is open or active
function! IsNERDTreeOpen()        
return exists("t:NERDTreeBufName") && (bufwinnr(t:NERDTreeBufName) != -1)
endfunction
" Call NERDTreeFind iff NERDTree is active, current window contains a
" modifiable file, and we're not in vimdiff
function! SyncTree()
if &modifiable && IsNERDTreeOpen() && strlen(expand('%')) > 0 && !&diff
    NERDTreeFind
wincmd p
endif
endfunction
" Highlight currently open buffer in NERDTree
autocmd BufEnter * call SyncTree()

" CtrlP settings
" Ignore files ignored by git
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" TagBar settings
map <C-m> :TagbarToggle<CR>

" UltiSnips default folder
let g:UltiSnipsSnippetDirectories = ['~/.vim/pack/gabriel/start/my-snippets', '../my-snippets', '~/.vim/pack/gabriel/start/vim-snippets', 'UltiSnips']

"Youcompleteme fix
let g:ycm_global_ycm_extra_conf = '~/.vim/pack/gcuendet/start/youcompleteme/third_party/ycmd/cpp/ycm/.ycm_extra_conf.py' 

" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
let g:SuperTabDefaultCompletionType = '<C-n>'

" better key bindings for UltiSnipsExpandTrigger
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"

let g:UltiSnipsEditSplit = "context"

" Leaders
map <Leader>i mmgg=G`m
map <Leader>cs :nohlsearch<cr>

" Remap
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

" GoTo code navigation.