vim configuration

.vimrc

" REQUIRED INSTALL:
" > brew install macvim --with-cscope --with-lua --HEAD
" lua not required but HEAD required for breakindent
"
" QUICK REFACTOR
"   * hover over word, press `*`
"   * use :%s//newName/g to replace all occurences
" MARKDOWN PREVIEW
"   * <leader>md to open up safari and view it live
" ULTISNIPS
"   * <cntrl-f> to autocomplete. `template` used most often as snippet.

set nocompatible               " be iMproved

" map leader key to <Space>
let mapleader = " "
let g:mapleader = " "

" set a save-every-write
inoremap <Esc> <Esc>:w<CR>: <CR>
" use jk/kj to get back to normal/command mode
imap jk <Esc>
"imap kj <Esc>
imap Jk <Esc>
imap jK <Esc>
imap JK <Esc>

call plug#begin('~/.vim/plugged')
Plug 'LaTeX-Box-Team/LaTeX-Box'
Plug 'scrooloose/nerdcommenter'
Plug 'kien/rainbow_parentheses.vim'
Plug 'godlygeek/tabular'
Plug 'wellle/targets.vim'
Plug 'sirver/UltiSnips'
Plug 'honza/vim-snippets'
Plug 'altercation/vim-colors-solarized'
Plug 'tpope/vim-markdown'
Plug 'mhinz/vim-startify'
Plug 'tpope/vim-rsi'
Plug 'haya14busa/incsearch.vim'
Plug 'shime/vim-livedown'
Plug 'Valloric/YouCompleteMe'

call plug#end()

" how (gui)vim looks
set printfont=Source\ Code\ Pro:h7
set guifont=Source\ Code\ Pro:h12
set guicursor+=a:blinkon0 " no blinking!
set breakindent
set title " set the title to filename
set shortmess " limited "Hit <Enter> to continue" prompts
set scrolloff=4
set background=light
colorscheme solarized
set relativenumber
set nosmartindent " no annoying comment thing (comment<CR>comment)
set guioptions-=r " remove the scroll bars
set guioptions-=l
set guioptions-=b
set noerrorbells " keep Vim silent
set spell!
set display=lastline " display the last line for long wrapped lines (ie, latex)
highlight CursorLineNr term=bold guibg=#eee9d4
autocmd ColorScheme * highlight CursorLineNr guibg=#eee9d4 term=bold

" how vim behaves
set autochdir " auto change to directory of file?
set formatoptions-=t " don't insert a newline when we get to 80chars!
set history=50 " keep a long history
nnoremap ' za 
" easier folding of functions
syntax on " highlight syntax!
" make moving around easier
noremap gj j
noremap gk k
noremap j gj
noremap k gk

" custom leader maps
nnoremap <leader>g gqip                         
        " unwrapping paragraphs (80 col)
noremap <Leader>w vipJ<CR>                      
    " wrapping paragraphs (oo col)
nmap <leader>p :let @+ = expand("%:p:h")<CR>    
    " get path of file easily
nmap <silent> <leader><leader>c :nohlsearch<CR> 
    " to clear search results
nnoremap U :redo<CR>                            
    " undo u, redo U
nmap <Leader>z 1z=
    " spelling correction
nmap <Leader>z 1z=
    " spelling correction

" text width
set textwidth=80 " the textwidth

" tabs
set expandtab     " spaces for tab
set tabstop=4     " what counts as a tab?
set shiftwidth=4  " tab for autoindent
set autoindent    " autoindent
set softtabstop=4 " for <Delete> when at a tab

" searching
set incsearch       " search as you type
set hlsearch        " highlight search terms
set ignorecase      " case insensitive search

" folding
" press zc (-close) and zo (-open) to open
set foldmethod=indent
set foldlevel=10 " Max folding depth
set foldnestmax=10 " deepest fold
set nofoldenable " don't fold by default

" encode utf-8 by default
let printencoding='utf-8'
set encoding=utf-8
set fileencodings=ucs-bom,utf-8,latin1

" backing up
set nobackup " because we save every <Esc>
set noswapfile " because we save so often

""""""" INDIVIDUAL PLUGIN SETTINGS
" change number of files to see on new vim window
let g:startify_show_files_number = 20
let g:startify_bookmarks = ['~/.vimrc', '~/.zshrc', '~/.vim/UltiSnips/python.snippets','~/.vim/UltiSnips/tex.snippets']

" Livedown: for markdown preview in browser
nmap <Leader>md :LivedownPreview<CR>

" tabular
vnoremap <Leader>t :Tabular<space>/

" rainbow parens
let g:rbpt_colorpairs = [
  \ [ '13', '#6c71c4'],
  \ [ '5',  '#d33682'],
  \ [ '1',  '#dc322f'],
  \ [ '9',  '#cb4b16'],
  \ [ '3',  '#b58900'],
  \ [ '2',  '#859900'],
  \ [ '6',  '#2aa198'],
  \ [ '4',  '#268bd2'],
  \ ]
let g:rbpt_colorpairs = [
    \ ['brown',       'RoyalBlue3'],
    \ ['Darkblue',    'SeaGreen3'],
    \ ['darkgray',    'DarkOrchid3'],
    \ ['darkgreen',   'firebrick3'],
    \ ['darkcyan',    'RoyalBlue3'],
    \ ['darkred',     'SeaGreen3'],
    \ ['darkmagenta', 'DarkOrchid3'],
    \ ['brown',       'firebrick3'],
    \ ['gray',        'RoyalBlue3'],
    \ ['black',       'SeaGreen3'],
    \ ['darkmagenta', 'DarkOrchid3'],
    \ ['Darkblue',    'firebrick3'],
    \ ['darkgreen',   'RoyalBlue3'],
    \ ['darkcyan',    'SeaGreen3'],
    \ ['darkred',     'DarkOrchid3'],
    \ ['red',         'firebrick3'],
    \ ]
au VimEnter * RainbowParenthesesToggle
au BufEnter * RainbowParenthesesLoadRound
au BufEnter * RainbowParenthesesLoadSquare
au BufEnter * RainbowParenthesesLoadBraces

" Ultisnips
let g:UltiSnipsExpandTrigger="<c-f>"
let g:UltiSnipsListSnippets="<c-s-tab>"

" YouCompleteMe
" don't complete on everything
let g:ycm_filetype_blacklist = {'notes' : 1, 'markdown' : 1, 'text' : 1, 'latex' : 1, 'tex' : 1}


" Specific filetypes
fun! LaTeXQuote(action)
    " Relying on buffer local variables requires 'hidden'. If you do
    " not like this, QuoteStart will be reset every time the buffer is
    " loaded. At least according to the docs.
    " Furthermore, the mappings failed to work with
    "   vim -u NONE -c "so latexquotes.vim" -c "e tmp.tex"
    " Something in my setup makes it work properly, though.
    if !exists("b:QuoteStart")
        let b:QuoteStart=1
    endif
    let val=b:QuoteStart
    let b:QuoteStart=1-b:QuoteStart
    if a:action == "insert"
        if val
            return "``"
        else
            return "''"
        endif
    elseif a:action == "switch"
        if b:QuoteStart
            echo "Start LaTeX Quote"
        else
            echo "End LaTeX Quote"
    endif
endfun
function! TexSetup()
    " don't break lines earlier
    set textwidth=0

    " conceal level
    set cole=2
    let g:tex_conceal="abmgs"

    " disable paren matching (lines 1220-1227 in auctex.vim)
    let g:LatexBox_completion_close_braces=0
    let g:auctex_complete_braces = 0
    let g:LatexBox_viewer = "open /Applications/Skim.app"

    " compile and view respectively
    nmap <leader>l \ll 
    nmap <leader>o \lv

    " make the undercurl go away for bad spelling
    hi SpellBad guisp=blue gui=underline guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE cterm=underline term=underline

    " spelling
    set spell

    " Set up mappings for " and a way to switch between start and end quotes
     au BufEnter            *.tex   imap " <C-R>=LaTeXQuote("insert")<CR>
     au BufEnter            *.tex   nmap <F2> :call LaTeXQuote("switch")<CR>
endfunction

function! MarkdownSetup()
    autocmd Filetype markdown set spell
    autocmd Filetype markdown set syntax=markdown
    autocmd Filetype markdown set textwidth=79

    setlocal spelllang=en_us

    " make the undercurl go away for bad spelling
    hi SpellBad guisp=blue gui=underline guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE cterm=underline term=underline
endfunction
function! PythonSetup()
    " Python autocompletion
    " Load the whole plugin
    setlocal expandtab shiftwidth=4 softtabstop=4
    "let g:pymode = 1

    " setting up UltiSnips
    "let g:UltiSnipsUsePythonVersion = 2

    " make the undercurl go away for bad spelling
    hi SpellBad guisp=blue gui=underline guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE cterm=underline term=underline
    setlocal nospell
endfunction
function! AllSetup()
    " make the undercurl go away for bad spelling
    hi SpellBad guisp=blue gui=underline guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE cterm=underline term=underline

    " for wrapping the display lines on a long single line
    set wrap
    set linebreak
    set nolist
    let &showbreak = ''

    set spelllang=en_us
    hi SpellBad guisp=blue gui=underline guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE cterm=underline term=underline
endfunction

autocmd BufNew,BufNewFile,BufRead *.txt,*.text,*.md,*.markdown set filetype=markdown
autocmd BufNewFile,BufReadPost *.md set filetype=markdown
autocmd BufNew,BufNewFile,BufRead *.tex set filetype=tex
autocmd BufNew,BufNewFile,BufRead *.c set filetype=c

"" specific file types and their config
autocmd Filetype tex call TexSetup()
autocmd Filetype markdown call MarkdownSetup()
autocmd Filetype python call PythonSetup()
autocmd Filetype * call AllSetup()