Vim settings (Vundle and plugin settings sourced at ~/.vimrc_plugins)

.vimrc

"******************************************************************************
" ~/.vimrc
" [email protected]
"******************************************************************************

set nocompatible    " be iMproved

"------------------------------------------------------------------------------
" General
"------------------------------------------------------------------------------

" Disable automatic comment insertion
autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

set autochdir	    		    " automatically change working directory when files opened
set autoindent			        " copy indent from current line when starting a new line 
set autowrite                   " automatically write content of file if :make called
set backspace=eol,start,indent  " make backspace work how you expect
set whichwrap+=<,>,h,l          " cont.
"set clipboard=unnamedplus	    " alias unnamed register to the '+' register 
set directory=~/.vim/swap       " swap directory
set lazyredraw                  " don't redraw while executing macros
set magic                       " for regex
set ttyfast                     " fast terminal mode

" Tabs
set expandtab			        " use spaces instead of tab
set tabstop=4			        " number of spaces that equals a tab 
"set shiftwidth=4		        "
"set softtabstop=4              "

" Searching
set hlsearch                    " highlight search results
set ignorecase                  " ignore case when searching
set incsearch                   " make search act like browser search
set smartcase                   " try to be smart about cases when searching

" Splits
set splitbelow                  " new horizontal split positioned below current pane
set splitright                  " new vertical split positioned to right of current pane

" Beep and flash
set noerrorbells novisualbell   " Disable beep and flash
set t_vb= tm=500                " cont.
set mat=2                       " how many tenths of a second to show matching brackets

" Formatting
set colorcolumn=100 		    " vertical line at column
set cursorline                  " highlight cursor position
set number			            " show line numbers
set relativenumber              " show relative line numbers
set laststatus=2                " always display status line
set showtabline=2               " always display tabline
set noshowmode                  " do not show mode on last line
set ruler                       " show current position
set showcmd                     " show command in last line of screen
set showmatch                   " match brackets

" Strings to use in list mode
set listchars=eol:$,tab:>-,trail:~,extends:>,precedes:<

" Command-line completion menu
set wildmenu	    		    " turn on
set wildignore=*.o,*~,*.pyc     " ignore compiled files
set wildchar=<Tab>              " char to start wildcard expansion on command-line
set wildmode=full               " next full match

"------------------------------------------------------------------------------
" Colors and Fonts
"------------------------------------------------------------------------------
syntax enable

" set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions+=e
    set t_Co=256
    set guitablabel=%\ % t
endif

set background=dark

highlight CursorLine term=NONE
highlight clear CursorLineNR

set encoding=utf8
set ffs=unix,dos,mac

augroup BgHighlight
    autocmd!
    autocmd WinEnter * set relativenumber
    autocmd WinLeave * set norelativenumber | set number
augroup END

if &term =~ "^xterm\\|rxvt\\|screen"
    let &t_SI="\e[3 q"
    let &t_EI="\e[0 q"
    "autocmd VimLeave * silent !echo -ne "\003]12;gray\007"
endif

if exists("$TMUX")
    let &t_SI="\<Esc>Ptmux;\<Esc>\e[3 q\<Esc>\\"
    let &t_EI="\<Esc>Ptmux;\<Esc>\e[0 q\<Esc>\\"
endif

"------------------------------------------------------------------------------
" Files, backups, and undo
"------------------------------------------------------------------------------
set nobackup
set nowb
"set noswapfile

"------------------------------------------------------------------------------
" Text, tab, and indent
"------------------------------------------------------------------------------
set expandtab                   " use spaces instead of tabs
set smarttab                    "
set shiftwidth=4                " 1 tab == 4 spaces
set tabstop=4                   " cont.
set lbr                         " linebreak at 500 characters
set tw=500                      " cont.

set ai                          " Auto indent
set si                          " Smart indent
set wrap                        " Wrap lines

"------------------------------------------------------------------------------
" Visual mode
"------------------------------------------------------------------------------
vnoremap <silent> * :call VisualSelection('f')<CR>
vnoremap <silent> # :call VisualSelection('b')<CR>

"------------------------------------------------------------------------------
" Movements
"------------------------------------------------------------------------------
"map j gj
"map k gk

map <space> /
map <c-space> ?

" Move between windows with C-[hjkl]
map <C-h> <C-W>h
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-l> <C-W>l

map <leader>bd :Bclose<cr>
map <leader>ba :1,1000 bd!<cr>

" Mappings for tabs
map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove<cr>

map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/      " open new tab with the current buffer's path
map <leader>cd :cd %:p:h<cr>:pwd<cr>                    " switch cwd to directory of open buffer

" specify the behavior when switching beween buffers
try
    set switchbuf=useopen,usetab,newtab
    set stal=2
catch
endtry

" return to last edit position when opening files
autocmd BufReadPost *
    \ if line("'\"") > 0 && line("'\"") <= line("$") |
    \   exe "normal! g`\"" |
    \ endif
" remember info about open buffers on close
set viminfo^=%

"------------------------------------------------------------------------------
" Key Mappings
"------------------------------------------------------------------------------
" Open/Reload .vimrc
map <F6> :source $MYVIMRC<CR>
map <F9> :vsplit $MYVIMRC<CR>

" Open config files
map <leader>zrc :e ~/.config/zsh/.zshrc<CR>
map <leader>za  :e ~/.config/zsh/zsh.d/aliases.zsh<CR>
map <leader>xrc :e ~/.xmonad/xmonad.hs<CR>

"map <S-Space> <PageUp>         " unfortunately terminal doesn't recognize <S-Space>

" Center screen on searches
nmap n nzz
nmap N Nzz

" play macro recorded to q
nnoremap <leader>q @q|              

map Q gql

" Toggles
nmap <leader>l :set list!<CR>
nnoremap <silent><leader>n :set relativenumber!<CR>
nmap <leader>w :set wrap!<CR>

" toggle search highlights
map <leader>f :set hls!<CR>
imap <leader>f <Esc>:set hls!<CR>a
vmap <leader>f <Esc>:set hls!<CR>gv

" show messages
nmap <leader>m :messages<CR>

" jk to exit insert mode
map! jk <Esc>

" <F1> for help on word under cursor
nnoremap <F1> :help <C-r><C-w><CR>  

" <C-U> deletes a lot in insert-mode. Use <C-G>u to first break undo so that
" you can undo <C-U> after inserting a line break.
inoremap <C-U> <C-G>u<C-U>          

"------------------------------------------------------------------------------
" Functions
"------------------------------------------------------------------------------

" Allow sudo write
cmap w!! w !sudo tee > /dev/null %

if !exists(":DiffOrig")
    command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
    \ wincmd p | diffthis
endif

function! Dos2unix()
    update
    e ++ff=dos
    setlocal ff=unix
    w
endfunction
command! -nargs=0 D2u :call Dos2unix()

function! Unix2dos()
    update
    e ++ff=dos
    w
endfunction
command! -nargs=0 U2d :call Unix2dos()

set nohlsearch

"------------------------------------------------------------------------------
" Plugins
"------------------------------------------------------------------------------
try
    source ~/.vimrc_plugins
catch
    " No such file? No problem, ignore it.
endtry

.vimrc_plugins

"******************************************************************************
" ~/.vimrc_plugins
" [email protected]
"******************************************************************************

"------------------------------------------------------------------------------
" Vundle Plugin Manager
"------------------------------------------------------------------------------
set nocompatible    " be iMproved, required (vundle)
filetype off        " required (vundle)

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

    " let Vundle manage Vundle (required)
    Plugin 'VundleVim/Vundle.vim'
    Plugin 'tpope/vim-fugitive'
    Plugin 'scrooloose/nerdtree'
    Plugin 'scrooloose/nerdcommenter'
    Plugin 'scrooloose/syntastic'
    Plugin 'powerline/powerline', {'rtp': 'powerline/bindings/vim/'}
    Plugin 'racer-rust/vim-racer'
    "Plugin 'jiangmiao/auto-pairs'
    Plugin 'dag/vim2hs'
    Plugin 'lukerandall/haskellmode-vim'
    Plugin 'bitc/vim-hdevtools'
    "Plugin 'Rip-Rip/clang_complete'
    Plugin 'fatih/vim-go'
    Plugin 'AndrewRadev/splitjoin.vim'
    Plugin 'ctrlpvim/ctrlp.vim'

" All plugins must be added before the following line
call vundle#end()    " required (vundle)
filetype plugin on   " required (vundle)

"------------------------------------------------------------------------------
" NERDTree
"------------------------------------------------------------------------------
map <F2> :NERDTreeToggle<CR>
let g:NERDTreeShowHidden=1

"------------------------------------------------------------------------------
" YouCompleteMe
"------------------------------------------------------------------------------
let g:ycm_global_ycm_extra_conf = '/usr/share/vim/vimfiles/third_party/ycmd/cpp/ycm/.ycm_extra_conf.py'
let g:ycm_confirm_extra_conf = 0
let g:ycm_server_python_interpreter = '/usr/bin/python2'

"------------------------------------------------------------------------------
" Syntastic
"------------------------------------------------------------------------------
set statusline+=%#warningsmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

"------------------------------------------------------------------------------
" Go
"------------------------------------------------------------------------------

autocmd Filetype go command! -bang A call go#alternate#Switch(<bang>0, 'edit')
autocmd Filetype go command! -bang AV call go#alternate#Switch(<bang>0, 'vsplit')
autocmd Filetype go command! -bang AS call go#alternate#Switch(<bang>0, 'split')
autocmd Filetype go command! -bang AT call go#alternate#Switch(<bang>0, 'tabe')

autocmd BufNewFile,BufRead *.go setlocal noexpandtab tabstop=4 shiftwidth=4

map <C-n> :cnext<CR>
map <C-m> :cprevious<CR>
nnoremap <leader>a :cclose<CR>

"autocmd FileType go nmap <leader>b  <Plug>(go-build)
autocmd FileType go nmap <leader>r  <Plug>(go-run)
autocmd FileType go nmap <leader>t  <Plug>(go-test)
autocmd FileType go nmap <Leader>c <Plug>(go-coverage-toggle)
autocmd FileType go nmap <Leader>i <Plug>(go-info)

let g:go_auto_type_info = 1
let g:go_auto_sameids = 1
let g:go_metalinter_autosave = 1

" run :GoBuild or :GoTestCompile based on the go file
function! s:build_go_files()
  let l:file = expand('%')
  if l:file =~# '^\f\+_test\.go$'
    call go#test#Test(0, 1)
  elseif l:file =~# '^\f\+\.go$'
    call go#cmd#Build(0)
  endif
endfunction

autocmd FileType go nmap <leader>b :<C-u>call <SID>build_go_files()<CR>

let g:go_test_timeout = '10s'
let g:go_fmt_command = "goimports"

"------------------------------------------------------------------------------
" Haskell
"------------------------------------------------------------------------------
" Haskellmode-Vim
au BufEnter *.hs compiler ghc
let g:ghc="/usr/bin/ghc"
let g:haddock_browser="/usr/bin/midori"
let g:haddock_browser_nosilent = 1

" vim-hdevtools
au FileType haskell nnoremap <buffer> <F1> :HdevtoolsType<CR>
au FileType haskell nnoremap <buffer> <silent> <F2> :HdevtoolsClear<CR>

"------------------------------------------------------------------------------
" auto-pairs
"------------------------------------------------------------------------------
"let g:AutoPairsMapCR = 0
"imap <silent><CR> <CR><Plug>AutoPairsReturn
        
"------------------------------------------------------------------------------
" clang_complete
"------------------------------------------------------------------------------
"let g:clang_library_path='/usr/lib'