vimrc

set nocompatible

" Plugins {{{

packadd! comment
packadd! editorconfig
packadd! matchit

" }}}

" Appearance {{{

" Colorscheme and syntax settings
set background=dark
colorscheme lunaperche

" Clear some stuff for vim-airline-colornum
set cursorline
hi clear CursorLine

" Small tweaks to hide UI elements in gvim
if has('gui_running')
  set guioptions-=T
  set guioptions-=L
  set guioptions-=m
  set guioptions-=r
endif

" Highlight VCS conflict markers
match ErrorMsg '^\(<\|=\|>\)\{7\}\([^=].\+\)\?$'

" Show whitespace
"set list
set listchars=tab:>\ ,trail:•,extends:#,nbsp:.,eol:¬ " Highlight problematic whitespace

" }}}

" Various Settings {{{

" Convenience remappings
set clipboard^=unnamed
let mapleader=","
set pastetoggle=<F2>

" Tab settings
set tabstop=4
set shiftwidth=4

" Random settings
set backspace=indent,eol,start " Allow backspacing before the start of the line
set autoindent                 " Enable basic indentitation, smarter than "smart"indent
set incsearch                  " Show matching pattern while searching
set hlsearch                   " Hilight what we're searching for
set showcmd                    " Always show the currently entered command
set writebackup                " Make a backup before overwriting a file
set ttyfast                    " Make vim more responsive
set lazyredraw                 " Don't show intermediate macro steps
set smartcase                  " Ignore case if search pattern is all lower case
set autowrite                  " Write when switching buffers
set colorcolumn=81             " PEP-8 usefulness
set virtualedit=block          " Make moving in visual mode make more sense
set synmaxcol=800              " Don't try to highlight lines longer than 800 chars
set textwidth=80               " Auto wrap comments at 80 chars
set fillchars=vert:\│          " Unicode line for separators
set hidden                     " Allow buffer switching without saving
set iskeyword-=.               " '.' is an end of word designator
set iskeyword-=#               " '#' is an end of word designator
set iskeyword-=-               " '-' is an end of word designator
set iskeyword-=_               " '_' is an end of word designator
set noshowmode                 " No point since we use airline
set scrolloff=5                " Ensure we have a buffer of 5 lines at the top and bottom
set nrformats-=octal           " Disable number operations on octals to avoid confusion
set ttimeout                   " Make escape key more responsive
set ttimeoutlen=100            " Reduce escape key timeout
set laststatus=2               " Always show a status line
set wildmenu                   " Improve completion menu
set sidescroll=1               " Minimum number of columns to scroll horizontally
set sidescrolloff=2            " Minimum number of colums to keep to the left and right of the cursor
set autoread                   " Read files if they've been updated outside vim

" If clipboard is available, do everything we can to yank to the system
" clipboard rather than only the internal keyboard.
if has('clipboard')
  if has('unnamedplus')  " When possible use + register for copy-paste
    set clipboard=unnamed,unnamedplus
  else                   " On mac and Windows, use * register for copy-paste
    set clipboard=unnamed
  endif
endif

" Split and select the right window
set splitbelow
set splitright

" Turn on mouse support and make it work past the normal xterm limit
set mouse=a
if has('mouse_sgr')
  set ttymouse=sgr
endif

" Line numbers
set number
set relativenumber

" Make sure the annoying backup files, swap files, and undo files stay out of
" the code directories.
set backupdir=~/.vim/backup
set directory=~/.vim/swap
set undodir=~/.vim/undo
set wildignore+=*/vendor/**

" Highlight the end of long lines in red
"au BufWinEnter * let w:m2=matchadd('ErrorMsg', '\%>80v.\+', -1)

" Change the cursor shape in insert mode for iTerm2, even inside tmux
if exists('$TMUX')
  let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>[6 q\<Esc>\\"
  let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>[2 q\<Esc>\\"
elseif &term =~ "xterm\\|rxvt"
  let &t_SI = "\<Esc>[6 q"
  let &t_EI = "\<Esc>[2 q"
else
  let &t_SI = "\<Esc>]50;CursorShape=1\x7"
  let &t_EI = "\<Esc>]50;CursorShape=0\x7"
endif

" Filetype specific stuff

filetype plugin indent on

" Correctly highlight $() and other modern affordances in filetype=sh
let g:is_posix = 1

au BufRead,BufNewFile *.tsx setlocal filetype=typescript.jsx
au BufRead,BufNewFile *.md setlocal filetype=markdown
au BufRead,BufNewFile *.sp setlocal filetype=cpp

" Make sure we don't auto-wrap all text, unless we're in a markdown file.
set formatoptions-=t
autocmd! FileType markdown setlocal formatoptions+=t

" Delete comment character when joining commented lines
set formatoptions+=j

" }}}

" Keybinds {{{

""" Key binds

" neomake mappings
nmap <leader><Space>o :lopen<CR>      " open location window
nmap <leader><Space>c :lclose<CR>     " close location window
nmap <leader><Space>, :ll<CR>         " go to current error/warning
nmap <leader><Space>n :lnext<CR>      " next error/warning
nmap <leader><Space>p :lprev<CR>      " previous error/warning

" Easier split stuff
nmap vs :vsplit<cr>
nmap sp :split<cr>

" Allow using the repeat operator with a visual selection (!)
" http://stackoverflow.com/a/8064607/127816
vnoremap . :normal .<CR>

" Easier movement between panes
nmap <C-h> <C-w>h
nmap <C-j> <C-w>j
nmap <C-k> <C-w>k
nmap <C-l> <C-w>l

" Wrapped lines goes down/up to next row, rather than next line in file.
noremap j gj
noremap k gk

" Clear search results
nmap <leader>c :let @/=""<CR>

" Adjust viewports to the same size
map <Leader>= <C-w>=

nmap <Tab> za

" Map the scroll wheel to go a single line at a time
"map <ScrollWheelUp> <C-Y>
"map <ScrollWheelDown> <C-E>

" }}}

" Unused Tweaks {{{
"
" An alternative to colorcolumn=81, this only highlights on lines where we
" actually go past 80 characters.
"
"exe "hilight ColorColumn" .s:fg_none .s:bg_red .fmt_none
"call matchadd('LongLineWarning', '\%81v', 100)
"call matchadd('ColorColumn', '\%81v', 100)
"
" : is used more often than ;
"nnoremap ; :
"nnoremap : ;
"
" }}}