dotfiles/vimrc

" ~/.vimrc
" Eryn Wells <eryn@erynwells.me>

set nocompatible        "use enhanced vim features

call pathogen#helptags()
call pathogen#runtime_append_all_bundles()

set autoread            "reread files changed outside of vim
set noautowrite         "don't write files before commands like :next and :make

set ffs=unix,dos,mac    "order of line ending formats to try

set hidden              " allow hidden buffers (rather than closing them)

set number              " show line numbers
set relativenumber      " line numbers are relative to current line rather
                        "   than absolute
set ruler               " show ruler (line and col count)
set showmode            " show mode
set showcmd             " show last command
set title               " change terminal title
set visualbell          " don't beep
set noerrorbells        " PLEASE don't beep
set ttyfast             " fast terminals

set wrap                " wrap long lines
set linebreak           " break at between words
set textwidth=80        " wrap at 80 characters
set colorcolumn=80      " highlight 80th column
set showmatch           " show matching things: (), {}, [], etc

set fo+=n               " format numbered lists properly

if has('gui_running')
    set list
endif
set lcs+=tab:▸\         " show tabs
set lcs+=eol:¬          " show end-of-lines
set lcs+=trail:･        " show trailing spaces
set lcs+=extends:→      " show long lines (that go offscreen)
set lcs+=nbsp:･         " show non-breaking spaces

set ignorecase          " ignore case in searches
set smartcase           " case-sensitive search if pattern contains a capital
set incsearch           " show search matches as you type
set hlsearch            " highlight search matches
set gdefault            " apply searches globally to a line by default

" use PCREs for searches
nnoremap / /\v
vnoremap / /\v

set spelllang=en        " set spelling language
if has('win32') || has('win64')
    set spellfile=~/_vim/spelling.en.add
else
    set spellfile=~/.vim/spelling.en.add
endif

set noswapfile          " don't keep swap files
set nobackup            " don't keep backup files
set backupdir=~/.vim/backup
                        " save backup files here
set undofile            " save undo history
set undodir=~/.vim/undo " save undo files here
set history=1000        " remember 1000 commands in history
set undolevels=1000     " keep lots of undo history
set viminfo=%100,'100,/100,h,\"500,:100,n~/.viminfo
                        " I have *NO* idea what this does...

set backspace=indent,eol,start
                        " backspace over everything in insert mode

set tabstop=8           " tabs are always 8 spaces
set shiftwidth=4        " shift lines 4 spaces with >> and <<
set softtabstop=4       " tab key inserts 4 spaces
set shiftround          " round off indent to multiple of shiftwidth
set expandtab           " always use spaces
set nojoinspaces        " insert 1 space instead of 2 after punctuation on line
                        "   join
set autoindent          " always use autoindenting
set copyindent          " copy previous indentation on autoindent

set scrolloff=3         " scroll 3 lines ahead of point
set sidescrolloff=5     " scroll 5 columns ahead of point

set pastetoggle=<F2>    " toggle paste mode with F2

" completion menu
set wildmenu
set wildmode=longest,list
set wildignore+=*.o,*~,.lo,*.pdf

if has('mouse')
    set mouse=a
endif

set modeline
set modelines=12

" use syntax highlighting if the terminal can support it (or we're in a GUI)
if &t_Co > 2 || has('gui_running')
    syntax on           " turn on syntax highlighting
endif

" use solarized colorscheme if the terminal can support it (or we're in a GUI)
let g:solarized_termtrans=1
let g:solarized_visibility='low'
if has('gui_running')
    set bg=light
    colorscheme solarized
else
    set bg=dark
    colorscheme solarized
endif

" tell SnipMate who I am
let g:snips_author = 'Eryn Wells <eryn@erynwells.me>'

" set the Gundo preview window on the bottom
let g:gundo_preview_bottom = 1

if &t_Co > 2 || has('gui_running')
    set cursorline
endif

if has('gui_running')
    if has('win32') || has('win64')
        set guifont=Inconsolata:h18
    elseif has('mac')
        set guifont=Menlo:h11
    elseif has('linux')
        set guifont=Inconsolata\ 14
    endif
    set guioptions-=T       " turn off toolbar
    set guioptions-=m       " turn off toolbar
endif

nmap <F3> :GundoToggle<CR>

" allow starting commands with ; instead of :
nnoremap ; :

" tab to skip between braces and such in normal
nnoremap <tab> %
vnoremap <tab> %

" disable the help key!
inoremap <F1> <ESC>
nnoremap <F1> <ESC>
vnoremap <F1> <ESC>

" make switching windows easier
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

function! <SID>StripTrailingWhitespace()
    " save last search
    let _s=@/
    " save cursor position
    let l = line('.')
    let c = col('.')
    " do the clean up
    %s/\s\+$//e
    " restore saved stuff
    let @/=_s
    call cursor(l, c)
endfunction

let mapleader=','
" strip all trailing whitespace in the current file
nnoremap <silent> <leader>W :call <SID>StripTrailingWhitespace()<CR>
" edit and source my .vimrc
nmap <silent> <leader>ev :tabnew $MYVIMRC<CR>
nmap <silent> <leader>sv :source $MYVIMRC<CR>
" hide search terms
nmap <silent> <leader><space> :nohlsearch<CR>
" find all
nmap <leader>fa :%s/\v

nmap <leader>sn :e ~/.vim/bundle/snipmate/snippets/<C-r>=&filetype<CR>.snippets<CR>

" Command-T should open files in tabs when I hit <CR>; move opening files in
" buffers to <C-b>
let g:CommandTAcceptSelectionMap='<C-b>'
let g:CommandTAcceptSelectionTabMap='<CR>'

if has('autocmd')
    filetype plugin indent on

    " Markdown files can also have the .md extension
    autocmd BufAdd,BufEnter,BufFilePost *.md :setlocal ft=markdown

    " Jump to last known cursor position unless it's the first line, or past the
    " end of the file
    autocmd BufReadPost *
        \ if line("'\"") > 1 && line("'\"") <= line("$") |
        \   exe "normal! g`\"" |
        \ endif

    " Clean whitespace before saving: Python, C, HTML, and Objective-C
    autocmd BufWritePre *.py,*.h,*.c,*.html,*.m
        \ :call <SID>StripTrailingWhitespace()
endif

if exists("~/.vimrc.local")
    source ~/.vimrc.local
endif