dotfiles/vimrc

set history=700
filetype plugin on
filetype indent on
set autoread
let mapleader = ","
let g:mapleader = ","
nmap <leader>w :w!<cr>
set so=7
set wildmenu
set wildignore=*.o,*~,*.pyc
set ruler
set cmdheight=2
set hid
set backspace=eol,start,indent
set whichwrap+=<,>,h,l
set ignorecase
set smartcase
set hlsearch
set incsearch
set lazyredraw
set magic
set showmatch
set mat=2
set noerrorbells
set novisualbell
set t_vb=
set tm=500
syntax enable
colorscheme desert
set background=dark
if has("gui_running")
    set guioptions-=T
    set guioptions+=e
    set t_Co=256
    set guitablabel=%M\ %t
endif
set encoding=utf8
set ffs=unix,dos,mac
set nobackup
set nowb
set noswapfile
set expandtab
set smarttab
set shiftwidth=4
set tabstop=4
set lbr
set tw=500
set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines
cnoreabbrev hex %!xxd
vnoremap <silent> * :call VisualSelection('f')<CR>
vnoremap <silent> # :call VisualSelection('b')<CR>
map j gj
map k gk
map <space> /
map <c-space> ?
map <silent> <leader><cr> :noh<cr>
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l
map <leader>bd :Bclose<cr>
map <leader>ba :1,1000 bd!<cr>
map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/
map <leader>cd :cd %:p:h<cr>:pwd<cr>
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry
autocmd BufReadPost *
     \ if line("'\"") > 0 && line("'\"") <= line("$") |
     \   exe "normal! g`\"" |
     \ endif
set viminfo^=%
set laststatus=2
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ Line:\ %l/%L\ \ Column:\ %c
map 0 ^
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z
if has("mac") || has("macunix")
  nmap <D-j> <M-j>
  nmap <D-k> <M-k>
  vmap <D-j> <M-j>
  vmap <D-k> <M-k>
endif
func! DeleteTrailingWS()
  exe "normal mz"
  %s/\s\+$//ge
  exe "normal `z"
endfunc
autocmd BufWrite *.py :call DeleteTrailingWS()
autocmd BufWrite *.coffee :call DeleteTrailingWS()
vnoremap <silent> gv :call VisualSelection('gv')<CR>
map <leader>g :vimgrep // **/*.<left><left><left><left><left><left><left>
map <leader><space> :vimgrep // <C-R>%<C-A><right><right><right><right><right><right><right><right><right>
vnoremap <silent> <leader>r :call VisualSelection('replace')<CR>
map <leader>cc :botright cope<cr>
map <leader>co ggVGy:tabnew<cr>:set syntax=qf<cr>pgg
map <leader>n :cn<cr>
map <leader>p :cp<cr>
map <leader>ss :setlocal spell!<cr>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg
map <leader>s? z=
noremap <Leader>m mmHmt:%s/<C-V><cr>//ge<cr>'tzt'm
map <leader>q :e ~/buffer<cr>
map <leader>pp :setlocal paste!<cr>
function! CmdLine(str)
    exe "menu Foo.Bar :" . a:str
    emenu Foo.Bar
    unmenu Foo
endfunction
function! VisualSelection(direction) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", '\\/.*$^~[]')
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'b'
        execute "normal ?" . l:pattern . "^M"
    elseif a:direction == 'gv'
        call CmdLine("vimgrep " . '/'. l:pattern . '/' . ' **/*.')
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    elseif a:direction == 'f'
        execute "normal /" . l:pattern . "^M"
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    en
    return ''
endfunction
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #
   else
     bnext
   endif

   if bufnr("%") == l:currentBufNum
     new
   endif

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)
   endif
endfunction
" Commenting blocks of code.
autocmd FileType c,cpp,java,scala,javascript let b:comment_leader = '// '
autocmd FileType sh,ruby,python   let b:comment_leader = '# '
autocmd FileType conf,fstab       let b:comment_leader = '# '
autocmd FileType tex              let b:comment_leader = '% '
autocmd FileType vim              let b:comment_leader = '" '
noremap <leader>cc :<C-B><C-E>s/^/<C-R>=escape(b:comment_leader,'\/')<CR>/<CR>:nohlsearch<CR>
noremap <leader>cu :<C-B><C-E>s/^\V<C-R>=escape(b:comment_leader,'\/')<CR>//e<CR>:nohlsearch<CR>
vnoremap <leader>cc :<C-B><C-E>s/^/<C-R>=escape(b:comment_leader,'\/')<CR>/<CR>:nohlsearch<CR>
vnoremap <leader>cu :<C-B><C-E>s/^\V<C-R>=escape(b:comment_leader,'\/')<CR>//e<CR>:nohlsearch<CR>

highlight ColorColumn ctermbg=magenta
call matchadd('ColorColumn', '\%80v', 100)

nnoremap <silent> n n:call HLNext(0.4)<cr>
nnoremap <silent> N N:call HLNext(0.4)<cr>

highlight WhiteOnRed ctermbg=red ctermfg=white

function! HLNext(blinktime)
    let [bufnum, lnum, col, off] = getpos('.')
    let machlen = strlen(matchstr(strpart(getline('.'), col-1),@/))
    let target_pat = '\c\%#'.@/
    let blinks = 3
    for n in range(1, blinks)
        let red = matchadd('WhiteOnRed', target_pat, 101)
        redraw
        exec 'sleep ' . float2nr(a:blinktime / (2*blinks) * 1000) . 'm'
        call matchdelete(red)
        redraw
        exec 'sleep ' . float2nr(a:blinktime / (2*blinks) * 1000) . 'm'
    endfor
endfunction

" VimScript Highlighting is so fucking distracting
augroup VimNoHighlight
    autocmd!
    autocmd BufEnter .vimrc syntax off
augroup END

augroup NoEdits
    autocmd!
    autocmd SwapExists * let v:swapchoice = 'o'
    autocmd SwapExists * echomsg ErrorMsg
    autocmd SwapExists * echo 'Duplicate edit session (you are now editing readonly)'
    autocmd SwapExists * echohl None
augroup END

inoremap <expr> <C-K> ShowDigraphs

function! ShowDigraphs()
    digraphs
    call getchar()
    return "\<C-K>"
endfunction