vimrc

" General Settings
set expandtab tabstop=2 shiftwidth=2 softtabstop=2
set nocompatible            " We're running Vim, not Vi!
set noswapfile              " No swap files
set visualbell t_vb=        " No visual bell
set ai                      " auto indenting
set history=1000            " keep 100 lines of history
set ruler                   " show the cursor position
set hidden                  " hide buffer without notice
set hlsearch                " highlight the last searched term
set nowrap                     " don't wrap lines
set virtualedit=all         " let us walk in limbo
set showcmd                 " show number of lines selected
set relativenumber          " show line numbers relative to current
set sessionoptions=blank,buffers,curdir,help,tabpages,winsize  " discards plugin stuff on saving session
set ignorecase              " search by default case insensitive
set smartcase               " if there is any upper case character: sensitive search
set clipboard=unnamedplus      " for simplified clipboard copy/paste
set backspace=indent,eol,start " no constraints for backspace
set laststatus=2               " always display the statusline in all windows
set noshowmode                 " hide the default mode text (e.g. -- INSERT -- below the statusline)
set t_Co=256                   " configure for 256 colors terminal
set textwidth=80            " linebreak after 80 characters (C++ default)
" set wrap
set formatoptions=croqt     " Formatoptions: t/c: force linebreak r/o: continue comments in new line, q: format with gqq

set wildignore+=CMakeFiles     " add ignored extension
set wildignore+=*.pyc          " add ignored extension
set wildignore+=*.dylib        " add ignored extension

set foldmethod=syntax                                                                  |
set foldlevelstart=20

set shell=/usr/bin/zsh

setlocal expandtab

syntax on                   " syntax highlighting
filetype plugin indent on   " use the file type plugins
au InsertEnter * :let @/="" " Disable highlighted search on insert mode
au InsertLeave * :let @/="" " Enable it back
au GUIEnter * set vb t_vb=     " No GUI visual bell
au VimEnter * set vb t_vb=     " No CLI visual bell

" set cino=g0,N-s
" Configure auto-indentation formatting.
set cindent
set cinoptions=h1,l1,g1,t0,(0,w1,W4,N-s
let b:undo_indent = "setl sw< ts< sts< et< tw< wrap< cin< cino< inde<"

" Vim Addon Manager

fun! EnsureVamIsOnDisk(plugin_root_dir)
  let vam_autoload_dir = a:plugin_root_dir.'/vim-addon-manager/autoload'
  if isdirectory(vam_autoload_dir)
    return 1
  else
    if 1 == confirm("Clone VAM into ".a:plugin_root_dir."?","&Y\n&N")
      call mkdir(a:plugin_root_dir, 'p')
      execute '!git clone --depth=1 https://github.com/MarcWeber/vim-addon-manager.git '.
            \       shellescape(a:plugin_root_dir, 1).'/vim-addon-manager'
      exec 'helptags '.fnameescape(a:plugin_root_dir.'/vim-addon-manager/doc')
    endif
    return isdirectory(vam_autoload_dir)
  endif
endfun

let g:vim_addon_manager = {'scms': {'git': {}}}
     fun! MyGitCheckout(repository, targetDir)
         " let a:repository.url = substitute(a:repository.url, '^git://github.com/', 'git@github.com:', '')
         " let a:repository.url = substitute(a:repository.url, '$', '.git', '')
         return vam#utils#RunShell('git clone --depth=1 $.url $p', a:repository, a:targetDir)
     endfun
let g:vim_addon_manager.scms.git.clone=['MyGitCheckout']

fun! SetupVAM()
  let plugin_root_dir = expand('$HOME/.vim/vim-addons')
  if !EnsureVamIsOnDisk(plugin_root_dir)
    echohl ErrorMsg | echomsg "No VAM found!" | echohl NONE
    return
  endif
  let &rtp.=(empty(&rtp)?'':',').plugin_root_dir.'/vim-addon-manager'
  " call vam#ActivateAddons(['The_NERD_tree'])
  call vam#ActivateAddons(['The_NERD_Commenter'])
  call vam#ActivateAddons(['github:fholgado/minibufexpl.vim'])
  call vam#ActivateAddons(['Solarized'])
  call vam#ActivateAddons(['C11_Syntax_Support'])
  call vam#ActivateAddons(['bufkill'])
  call vam#ActivateAddons(['Supertab']) " for smart tab key
  call vam#ActivateAddons(['a'])
  call vam#ActivateAddons(['github:bling/vim-airline'])
  call vam#ActivateAddons(['github:vim-airline/vim-airline-themes'])
  call vam#ActivateAddons(['github:karlmoritz/vim-headerguard'])
  " call vam#ActivateAddons(['auctex'])
  " call vam#ActivateAddons(['LaTeX_Box'])
  call vam#ActivateAddons(['github:lervag/vim-latex'])
  " call vam#ActivateAddons(['github:karlmoritz/LaTeX-Box'])
  " call vam#ActivateAddons(['github:honza/vim-snippets'])
  " call vam#ActivateAddons(['github:MarcWeber/ultisnips'])
  " Find a better replacement for this one
  " call vam#ActivateAddons(['AutomaticLaTeXPlugin'])
  " Nice, but really slow
  " call vam#ActivateAddons(['github:oblitum/rainbow'])
  "
  " call vam#ActivateAddons(['github:Raimondi/delimitMate'])
  " (<c-x><c-p> complete plugin names):
endfun
call SetupVAM()



" File Types

" vimprj
au BufNewFile,BufRead *.vimprj set ft=vim

" C++
au FileType cpp,objcpp set syntax=cpp11
au BufNewFile,BufRead *
      \ if expand('%:e') =~ '^\(h\|hh\|hxx\|hpp\|ii\|ixx\|ipp\|inl\|cc\|cxx\|cpp\)$' |
      \   if &ft != 'cpp'                                                                           |
      \     set ft=cpp                                                                              |
      \   endif                                                                                     |
      \ endif                                                                                       |


let g:latex_complete_close_braces = 1
let g:latex_latexmk_quickfix = 0

" let g:LatexBox_latexmk_options = "-pvc"
au BufNewFile,BufRead,BufEnter *.tex setlocal spell spelllang=en_gb

" Change to current directory automatically
autocmd BufEnter * silent! lcd %:p:h
" nnoremap <leader>cd :cd %:p:h<CR>:pwd<CR>

" Automatically remove trailing whitespace from certain filetypes.
autocmd FileType c,cpp,java,php,markdown,sh,python,tex autocmd BufWritePre <buffer> :%s/\s\+$//e

" Nerd tree: don't autostart, and ignore some files..

" let NERDTreeIgnore=['\env','\.vim$', '\~$', '\.pyc$', '\.swp$', '\.o$', 
      " \'\.egg-info$', '\.DS_Store$', '^dist$', '^build$']

" let g:nerdtree_tabs_open_on_console_startup=0

" If file already open, don't create a new buffer, but use existing.
" This helps to keep the cursor in position
autocmd BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") |
      \ exe "normal g'\"" | endif


" Complete options (disable preview scratch window)
set completeopt=menu,menuone,longest
" Limit popup menu height
set pumheight=15

"let g:clang_user_options = '-std=c++11 -stdlib=libstdc++'
"let g:clang_auto_user_options = ''
"let g:clang_library_path="/usr/lib/"
 

"" Disable auto popup, use <Tab> to autocomplete
"let g:clang_complete_auto = 0
"" Show clang errors in the quickfix window
"let g:clang_complete_copen = 1

" GUI Settings
if has('gui_running')
  " Remove scroll bars
  set guioptions-=L
  set guioptions-=R
  set guioptions-=l
  set guioptions-=r

  " Disable toolbar
  set guioptions=-t
endif



" Solarized settings
"set terminal colors to 16. needed to make solarized scheme work
syntax on
set background=light
colorscheme solarized

" vim-airline Setup
" Font access (probably not needed).
" set rtp+=/usr/local/lib/python2.7/site-packages/powerline/bindings/vim/
let g:airline_powerline_fonts = 1
let g:airline_theme = 'solarized'
set fillchars=diff:·
" let g:airline#extensions#tabline#enabled = 1
" let g:airline#extensions#tabline#buffer_nr_show = 1
" let g:airline#extensions#tabline#buffer_nr_format = '%s '
" let g:airline#extensions#bufferline#enabled = 1
" let g:airline#extensions#bufferline#show_bufnr = 1

" Some syntax highlighting to annoy me if I mistype.
set colorcolumn=80
highlight ColorColumn guibg=#073642
highlight TrailingWhitespace guibg=#b58900
highlight ExtraWhitespace    guibg=#b58900
highlight TrailingWhitespace ctermbg=3
highlight ColorColumn ctermbg=0
highlight ExtraWhitespace    ctermbg=3

autocmd Syntax * call matchadd('TrailingWhitespace', '\s\+$')
" autocmd Syntax * call matchadd('ExtraWhitespace',    '\S\+\zs\s\{2,}\ze\S\+')

" delimitMate Setup
let delimitMate_expand_cr = 1
let delimitMate_expand_space = 1


if v:version >= 700
  au BufLeave * let b:winview = winsaveview()
  au BufEnter * if(exists('b:winview')) | call winrestview(b:winview) | endif
endif

" Activate Rainbow and match colors to t_Co=16 Solarized palette.
let g:rainbow_active = 1
let g:rainbow_operators = 1
let g:rainbow_ctermfgs = [1, 2, 3, 4, 5, 6, 9, 13, 12]

" Nerd Comment settings
let g:NERDSpaceDelims = 1

"Documented, but doesn't work. Hack fix below.
"let g:NERD_cpp_alt_style=0
let g:NERDCustomDelimiters = {
      \ 'cpp': { 'left': '//', 'leftAlt': '/*', 'rightAlt': '*/' }, 
      \ 'tex' : { 'left': '%' },
      \ }

" REMAPPINGS

" Use , for the leader key as opposed to \
let mapleader = ","
let maplocalleader = ","

" Ctrl-C and Ctrl-V systemwide
map  <C-V> "+gP
cmap <C-V> <C-R>+
vnoremap <C-C> "+y

" Use NERD Tree on \n and use Ctrl-l and Ctrl-h to navigate between tabs
map \n :NERDTreeToggle<cr>
map <Leader>n :NERDTreeToggle<cr>
" proper settings one day
"map  <C-l> :bn<CR>
"map  <C-h> :bp<CR>

map <C-left> :bp<CR>
map <C-right> :bn<CR>
nnoremap <Leader>b :bp<CR>
nnoremap <Leader>f :bn<CR>
nnoremap <Leader>1 :1b<CR>
nnoremap <Leader>2 :2b<CR>
nnoremap <Leader>3 :3b<CR>
nnoremap <Leader>4 :4b<CR>
nnoremap <Leader>5 :5b<CR>
nnoremap <Leader>6 :6b<CR>
nnoremap <Leader>7 :7b<CR>
nnoremap <Leader>8 :8b<CR>
nnoremap <Leader>9 :9b<CR>
nnoremap <Leader>0 :10b<CR>

nnoremap <Leader>q :BW<CR>
"
" Ctrl + Tab
" let g:miniBufExplMapCTabSwitchBufs = 1

" Use <leader><space> to clean highlights
nnoremap <leader><space> :noh<cr>

" Disabling arrow keys. Let's do it
"nnoremap <up> <nop>
"nnoremap <down> <nop>
"nnoremap <left> <nop>
"nnoremap <right> <nop>
"inoremap <up> <nop>
"inoremap <down> <nop>
"inoremap <left> <nop>
"inoremap <right> <nop>
"nnoremap j gj
"nnoremap k gk

" Make ; work same as :. No more shift :)
nnoremap ; :

" Easy out of insert mode with double i.
inoremap ii <ESC>

nnoremap <Leader>- :HeaderguardAdd<CR>

"" SuperTab option for context aware completion
let g:SuperTabDefaultCompletionType = "context"
" SuperTab completion fall-back
let g:SuperTabDefaultCompletionType='<c-x><c-o><c-p>'
" let g:SuperTabDefaultCompletionType='<c-tab>'
let g:SuperTabNoCompleteAfter=''

" Use <tab> and <s-tab> for navigation in snippets
" let g:UltiSnips = {}
" let g:UltiSnips.ListSnippets="<c-tab>"
" let g:UltiSnips.ExpandTrigger="<tab>"
" let g:UltiSnips.JumpForwardTrigger="<tab>"
" let g:UltiSnips.JumpBackwardTrigger="<s-tab>"
" let g:UltiSnips.always_use_first_snippet = 1

" let g:UltiSnips.snipmate_ft_filter = {
      " \ 'default' : {'filetypes': ["FILETYPE", "_"] },
      " \ 'html'    : {'filetypes': ["html_minimal", "javascript", "_"] },
      " \ 'php'    : {'filetypes': ["php", "html_minimal", "javascript"] },
      " \ 'xhtml'    : {'filetypes': ["html_minimal", "javascript"] },
      " \ 'haml'    : {'filetypes': ["haml", "javascript"] },
      " \ }

" " don't load snipmate snippets by default
" let g:UltiSnips.UltiSnips_ft_filter = {
      " \ 'default' : {'filetypes': ['FILETYPE'] },
      " \ 'html'    : {'filetypes': ["html_minimal", "javascript"] },
      " \ 'php'    : {'filetypes': ["php", "html_minimal", "javascript"] },
      " \ 'xhtml'    : {'filetypes': ["html_minimal", "javascript"] },
      " \ 'all' : {'filetypes': ['all'] },
      " \ }



" Automatic templates for C++ files
autocmd bufnewfile *
      \ if &ft == 'cpp'                                                                      |
      \   so ~/.vim/cpp.header                                                               |
      \   exe "1," . 6 . "g/File:.*/s//File: " .expand("%:t")                                |
      \   exe "1," . 6 . "g/Created:.*/s//Created: " .strftime("%d-%m-%Y")                   |
      \   exe "1," . 7 . "g/BEGIN.*/s//"                                                     |
      \ endif |

autocmd bufwritepre,filewritepre *
      \ if &ft == 'cpp'                                                                       |
      \ let xline = getline(2)                                                                |
      \   if xline == '// Author: Karl Moritz Hermann (mail@karlmoritz.com)'                  |
      \     let g:winview = winsaveview()                                                     |
      \     exe "1," . 6 . "g/File:.*/s//File: " .expand("%:t")                               |
      \     exe "1," . 6 . "g/Last Update:.*/s/Last Update:.*/Last Update: " .strftime("%c")  |
      \ endif |
      \ endif |

autocmd bufwritepost,filewritepost *
      \ if &ft == 'cpp'                                                                       |
      \   let xline = getline(2)                                                              |
      \   if xline == '// Author: Karl Moritz Hermann (mail@karlmoritz.com)'                  |
      \     call winrestview(g:winview)                                                       |
      \ endif |
      \ endif |


"here is a more exotic version of my original Kwbd script
"delete the buffer; keep windows; create a scratch buffer if no buffers left
function s:Kwbd(kwbdStage)
  if(a:kwbdStage == 1)
    if(!buflisted(winbufnr(0)))
      bd!
      return
    endif
    let s:kwbdBufNum = bufnr("%")
    let s:kwbdWinNum = winnr()
    windo call s:Kwbd(2)
    execute s:kwbdWinNum . 'wincmd w'
    let s:buflistedLeft = 0
    let s:bufFinalJump = 0
    let l:nBufs = bufnr("$")
    let l:i = 1
    while(l:i <= l:nBufs)
      if(l:i != s:kwbdBufNum)
        if(buflisted(l:i))
          let s:buflistedLeft = s:buflistedLeft + 1
        else
          if(bufexists(l:i) && !strlen(bufname(l:i)) && !s:bufFinalJump)
            let s:bufFinalJump = l:i
          endif
        endif
      endif
      let l:i = l:i + 1
    endwhile
    if(!s:buflistedLeft)
      if(s:bufFinalJump)
        windo if(buflisted(winbufnr(0))) | execute "b! " . s:bufFinalJump | endif
      else
        enew
        let l:newBuf = bufnr("%")
        windo if(buflisted(winbufnr(0))) | execute "b! " . l:newBuf | endif
      endif
      execute s:kwbdWinNum . 'wincmd w'
    endif
    if(buflisted(s:kwbdBufNum) || s:kwbdBufNum == bufnr("%"))
      execute "bd! " . s:kwbdBufNum
    endif
    if(!s:buflistedLeft)
      set buflisted
      set bufhidden=delete
      set buftype=
      setlocal noswapfile
    endif
  else
    if(bufnr("%") == s:kwbdBufNum)
      let prevbufvar = bufnr("#")
      if(prevbufvar > 0 && buflisted(prevbufvar) && prevbufvar != s:kwbdBufNum)
        b #
      else
        bn
      endif
    endif
  endif
endfunction

command! Kwbd call s:Kwbd(1)
nnoremap <silent> <Plug>Kwbd :<C-u>Kwbd<CR>

" Create a mapping (e.g. in your .vimrc) like this:
nmap <leader>q <Plug>Kwbd