.vimrc

" Basic configuration
syntax on
filetype off
filetype plugin indent on

set backupdir=$HOME/.vim/
set undodir=$HOME/.vim/

set shell=/bin/bash
set encoding=utf-8
set t_Co=256
set nocompatible
set hidden
set textwidth=0 wrapmargin=0
set formatoptions-=t
set numberwidth=3
set ruler
set hlsearch
set expandtab
set smarttab
set tabstop=2
set shiftwidth=2
set softtabstop=2
set wildmenu
set wildmode=longest:full,full
set nowrap
set nrformats=
set rnu
set noro
set laststatus=2

set completeopt-=preview
set completeopt+=popup
set completepopup=height:15,width:60,border:on,highlight:PMenuSbar
set previewpopup=height:10,width:60,border:on,highlight:PMenuSbar

if $TERM =~# '\v(tmux-256color)'
  set term=xterm-256color
endif

set fillchars+=vert:│

" Leader key
let mapleader = "\<Space>"
let maplocalleader = '\'

" Keymaps
nnoremap <silent> <leader> :WhichKey '<Space>'<CR>
nnoremap <silent> <localleader> :WhichKey '\'<CR>

inoremap jk <ESC>
inoremap kj <ESC>

nnoremap <Left>  :echoe "Use h"<CR>
nnoremap <Right> :echoe "Use l"<CR>
nnoremap <Up>    :echoe "Use k"<CR>
nnoremap <Down>  :echoe "Use j"<CR>
inoremap <Left> <nop>
inoremap <Right> <nop>
inoremap <Up> <nop>
inoremap <Down> <nop>

for s:i in range(1, 4)
  execute 'nnoremap <Leader>' . s:i . ' :' . s:i . 'wincmd w<CR>'
endfor

map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l

nnoremap <leader>E :enew<CR>
nnoremap <leader>bd :Bclose<CR>
nnoremap <leader>bo :Bonly<CR>
nnoremap <Tab> :bnext<CR>
nnoremap <S-Tab> :bprevious<CR>
nnoremap <leader><Tab> :YcmCompleter GoToAlternateFile<CR>

nnoremap <leader>gg :YcmCompleter GoToDefinitionElseDeclaration<CR>
nnoremap <leader>gf :YcmCompleter GoToDefinition<CR>
nnoremap <leader>gh :YcmCompleter GoToDeclaration<CR>
nnoremap <leader>gt :YcmCompleter GoTo<CR>
nnoremap <leader>gd :YcmCompleter GetDoc<CR>
nnoremap <leader>ga :YcmCompleter GoToAlternateFile<CR>
nnoremap <leader>gr :YcmCompleter GoToReferences<CR>
nnoremap <leader>gc :YcmCompleter GoToCallers<CR>
nnoremap <leader>gs :YcmCompleter GoToSymbol<CR>

nnoremap s <Plug>(easymotion-s)
xnoremap s <Plug>(easymotion-s)
nnoremap S <Plug>(easymotion-bd-t)
xnoremap S <Plug>(easymotion-bd-t)
noremap <leader>j <Plug>(easymotion-j)
noremap <leader>k <Plug>(easymotion-k)

nnoremap ]w :NextTrailingWhitespace<CR>
nnoremap [w :PrevTrailingWhitespace<CR>

nnoremap <silent> <leader>/ :set hlsearch!<CR>

nnoremap Y y$
nnoremap D d$
nnoremap <Leader>y "+y
vnoremap <Leader>y "+ygv
nnoremap <Leader>Y "+Y
nnoremap <Leader>p "+p
nnoremap <Leader>P "+P

nnoremap <M-j> :m .+1<CR>==
nnoremap <M-k> :m .-2<CR>==
inoremap <M-j> <Esc>:m .+1<CR>==gi
inoremap <M-k> <Esc>:m .-2<CR>==gi
vnoremap <M-j> :m '>+1<CR>gv=gv
vnoremap <M-k> :m '<-2<CR>gv=gv

noremap <silent> <C-t> :Files<CR>
noremap <silent> <leader>O :Files<CR>
noremap <silent> <leader>o :GitFiles<CR>
noremap <silent> <leader>b :Buffers<CR>

nnoremap <leader>D <Plug>(YCMHover)
nnoremap <leader>N :NERDTreeFind<CR>
nnoremap <leader>n :NERDTreeToggle<CR>
nnoremap <leader>u :UndotreeToggle<CR>
nnoremap <leader>W :StripWhitespace<CR>

nnoremap Q @q
vnoremap Q :norm @q<CR>

nnoremap <C-f> :FormatCode<CR>
vnoremap <C-f> :FormatCode<CR>gv=gv
inoremap <C-f> <Esc>:FormatCode<CR>==gi

set pastetoggle=<F2>
nnoremap <F3> :YcmDiags<CR>
nnoremap <F4> :YcmCompleter FixIt<CR>
nnoremap <F5> :YcmCompleter RefactorRename
nnoremap <F11> <Plug>(grammarous-open-info-window)
nnoremap <F12> :GrammarousCheck<CR>

" Vundle plugin manager configuration
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" Plugin manager
Plugin 'VundleVim/Vundle.vim'

" AI
Plugin 'alejandroclaro/vim-ai-assistant'

" Navigation
Plugin 'christoomey/vim-tmux-navigator'
Plugin 'easymotion/vim-easymotion'
Plugin 'junegunn/fzf'
Plugin 'junegunn/fzf.vim'
Plugin 'scrooloose/nerdtree'

" Edition
Plugin 'echuraev/translate-shell.vim'
Plugin 'godlygeek/tabular'
Plugin 'mbbill/undotree'
Plugin 'ntpeters/vim-better-whitespace'
Plugin 'rhysd/vim-grammarous'
Plugin 'scrooloose/nerdcommenter'
Plugin 'terryma/vim-multiple-cursors'
Plugin 'tpope/vim-surround'
Plugin 'tpope/vim-unimpaired'

" Software development
Plugin 'cdelledonne/vim-cmake'
Plugin 'delimitMate.vim'
Plugin 'valloric/youcompleteme'

" Git
Plugin 'airblade/vim-gitgutter'
Plugin 'tpope/vim-fugitive'
Plugin 'Xuyuanp/nerdtree-git-plugin'

" Helpers
Plugin 'editorconfig/editorconfig-vim'
Plugin 'liuchengxu/vim-which-key'
Plugin 'tpope/vim-obsession'

" Syntax
Plugin 'luochen1990/rainbow'
Plugin 'sheerun/vim-polyglot'
Plugin 'tiagofumo/vim-nerdtree-syntax-highlight'

" Look and feel
Plugin 'dracula/vim', { 'name': 'dracula' }
Plugin 'nathanaelkane/vim-indent-guides'
Plugin 'powerline/powerline-fonts'
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'wfxr/minimap.vim'

" Must be last
Plugin 'ryanoasis/vim-devicons'

call vundle#end()

" Color scheme
" Nerd HACK font shall be installed and configured in the terminal emulator.
" https://github.com/ryanoasis/nerd-fonts/releases/
set guifont=Hack\ Nerd\ Font
colorscheme dracula

" Git gutter configuration
let g:gitgutter_enabled = 1
let g:gitgutter_eager = 0
let g:gitgutter_max_signs = 1000

let g:gitgutter_sign_added = '+'
let g:gitgutter_sign_modified = '>'
let g:gitgutter_sign_removed = '-'
let g:gitgutter_sign_removed_first_line = '^'
let g:gitgutter_sign_modified_removed = '<'

let g:gitgutter_override_sign_column_highlight = 1
highlight SignColumn guibg=bg
highlight SignColumn ctermbg=bg

function! GitStatus()
  let [a,m,r] = GitGutterGetHunkSummary()
  return printf('+%d ~%d -%d', a, m, r)
endfunction

set statusline+=%{GitStatus()}

" Undotree Setting
let g:undotree_ShortIndicators = 30

" Nerd tree configuration
let NERDTreeHighlightCursorline = 1
let NERDTreeMinimalUI = 1
let NERDTreeDirArrows = 1
let NERDTreeChDirMode = 2
let NERDTreeShowLineNumbers = 1

let g:WebDevIconsNerdTreeBeforeGlyphPadding = ''
let g:WebDevIconsNerdTreeAfterGlyphPadding = ' '
let g:WebDevIconsNerdTreeGitPluginForceVAlign = 1

let g:NERDTreeFileExtensionHighlightFullName = 1
let g:NERDTreeExactMatchHighlightFullName = 1
let g:NERDTreePatternMatchHighlightFullName = 1
let g:NERDTreeHighlightFolders = 1
let g:NERDTreeHighlightFoldersFullName = 1
let g:NERDTreeLimitedSyntax = 1

" Nerd commenter configuration
let g:NERDSpaceDelims = 1
let g:NERDCommentEmptyLines = 1
let g:NERDTrimTrailingWhitespace = 1
let g:NERDToggleCheckAllLines = 1

" FZF configuration
"let g:fzf_layout = { 'down': '40%' }

" Airline plugin configuration
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#fnamemod = ':t'

" Minimap configuration
let g:minimap_auto_start = 0
let g:minimap_git_colors = 1

let g:minimap_block_filetypes = [ 'fugitive', 'nerdtree', 'tagbar', 'fzf', 'help', 'qf' ]
let g:minimap_close_filetypes = [ 'startify', 'netrw', 'vim-plug', 'fugitive', 'nerdtree', 'help', 'qf' ]

" rainbow parentheses and highlight enhancement
let g:rainbow_active = 1
let g:rainbow_conf = { 'ctermfgs': [ '33', '226', '112', '165', '231' ] }

" Indent guides configuration
let g:indent_guides_enable_on_vim_startup = 1
let g:indent_guides_start_level = 2
let g:indent_guides_guide_size = 2

let g:indent_guides_auto_colors = 0
autocmd VimEnter,Colorscheme * :hi IndentGuidesOdd  guibg=red   ctermbg=237
autocmd VimEnter,Colorscheme * :hi IndentGuidesEven guibg=green ctermbg=238

" Better whitespace configuration
let g:better_whitespace_enabled = 1
let g:strip_whitespace_on_save = 1
let g:better_whitespace_filetypes_blacklist = ['diff']

autocmd FileType fugitive DisableWhitespace

" YCM plugin configuration
let g:ycm_auto_trigger = 1
let g:ycm_show_diagnostics_ui = 1
let g:ycm_echo_current_diagnostic = 'virtual-text'
let g:ycm_update_diagnostics_in_insert_mode = 0
let g:ycm_autoclose_preview_window_after_insertion = 1
let g:ycm_min_num_of_chars_for_completion = 3
let g:ycm_max_diagnostics_to_display = 30

let g:ycm_clangd_args=['--header-insertion=never']
let g:ycm_global_ycm_extra_conf = "~/.vim/ycm_extra_conf.py"

" Easy motion configuration
let g:EasyMotion_do_mapping = 0
let g:EasyMotion_smartcase = 1
let g:EasyMotion_use_smartsign_us = 1

" Grammarous configuration
let g:grammarous#jar_url = 'https://www.languagetool.org/download/LanguageTool-5.9.zip'
let g:grammarous#default_comments_only_filetypes = { '*' : 1, 'help' : 0, 'markdown' : 0, }

let g:grammarous#hooks = {}
function! g:grammarous#hooks.on_check(errs) abort
    nmap <buffer><C-n> <Plug>(grammarous-move-to-next-error)
    nmap <buffer><C-p> <Plug>(grammarous-move-to-previous-error)
endfunction

function! g:grammarous#hooks.on_reset(errs) abort
    nunmap <buffer><C-n>
    nunmap <buffer><C-p>
endfunction

" Translate shell configuration
let g:trans_bin = "~/.vim"

" GDB
let g:termdebug_popup = 0
let g:termdebug_wide = 163

packadd! termdebug

" Line size limit indicator
if (exists('+colorcolumn'))
  set colorcolumn=120
  highlight ColorColumn ctermbg=236
endif

" Fix quicklist window position
augroup DragQuickfixWindowDown
  autocmd!
  autocmd FileType qf wincmd J
augroup end

" Fix help window position
augroup DragHelpWindowRigth
  autocmd!
  autocmd FileType help wincmd L
augroup end

" Show relative or absolute line number
function ToggleNumbersOn()
  set rnu!
  set nu
endfunction

function ToggleRelativeOn()
  set nu!
  set rnu
endfunction

au FocusLost * call ToggleNumbersOn()
au FocusGained * call ToggleRelativeOn()
au InsertEnter * call ToggleNumbersOn()
au InsertLeave * call ToggleRelativeOn()