vimrc

"        _
" __   _(_)_ __ ___  _ __ ___
" \ \ / / | '_ ` _ \| '__/ __|
"  \ V /| | | | | | | | | (__
"   \_/ |_|_| |_| |_|_|  \___|
"
" Ian's .vimrc file
"

" ----------------------------------------------------------------------------
" KEY MAPS
" ----------------------------------------------------------------------------

let mapleader = ','

" Useful macros I use the most
nmap \A :set formatoptions+=a<CR>:echo "autowrap enabled"<CR>
nmap \F :NERDTreeFind<CR>
nmap \M :set noexpandtab tabstop=8 softtabstop=4 shiftwidth=4<CR>
nmap \T :set expandtab tabstop=8 shiftwidth=8 softtabstop=4<CR>
nmap \W mt:Goyo<CR>'tzz
nmap \a :set formatoptions-=a<CR>:echo "autowrap disabled"<CR>
nmap \b :set nocin tw=80<CR>:set formatoptions+=a<CR>
nmap \c :call TmuxPaneClear()<CR>
nmap \e :NERDTreeToggle<CR>
nmap \g :GitGutterToggle<CR>
nmap \i vip:sort<CR>
nmap \l :setlocal number!<CR>:setlocal number?<CR>
nmap \m :set expandtab tabstop=2 shiftwidth=2 softtabstop=2<CR>
nmap \o :set paste!<CR>:set paste?<CR>
nmap \p :ProseMode<CR>
nmap \q :nohlsearch<CR>
nmap \r :call TmuxPaneRepeat()<CR>
nmap \s :setlocal invspell<CR>
nmap \t :set expandtab tabstop=4 shiftwidth=4 softtabstop=4<CR>
nmap \u :setlocal list!<CR>:setlocal list?<CR>
nmap \w :setlocal wrap!<CR>:setlocal wrap?<CR>
nmap \x :cclose<CR>
nmap \z :w<CR>:!open %<CR><CR>

" Turn off linewise keys. Normally, the `j' and `k' keys move the cursor down one entire line. with
" line wrapping on, this can cause the cursor to actually skip a few lines on the screen because
" it's moving from line N to line N+1 in the file. I want this to act more visually -- I want `down'
" to mean the next line on the screen
nmap j gj
nmap k gk

" Marks should go to the column, not just the line. Why isn't this the default?
nnoremap ' `

" You don't know what you're missing if you don't use this.
nmap <C-e> :e#<CR>

" Move between open buffers.
nmap <C-n> :bnext<CR>
nmap <C-p> :bprev<CR>

" Emacs-like bindings in normal mode
nmap <C-x>0 <C-w>c
nmap <C-x>1 <C-w>o
nmap <C-x>1 <C-w>s
nmap <C-x>1 <C-w>v
nmap <C-x>o <C-w><C-w>
nmap <M-o>  <C-w><C-w>

" Emacs-like bindings in insert mode
imap <C-e> <C-o>$
imap <C-a> <C-o>0

" Emacs-like bindings in the command line from `:h emacs-keys`
cnoremap <C-a>  <Home>
cnoremap <C-b>  <Left>
cnoremap <C-f>  <Right>
cnoremap <C-d>  <Del>
cnoremap <C-e>  <End>
cnoremap <M-b>  <S-Left>
cnoremap <M-f>  <S-Right>
cnoremap <M-d>  <S-right><Delete>
cnoremap <Esc>b <S-Left>
cnoremap <Esc>f <S-Right>
cnoremap <Esc>d <S-right><Delete>
cnoremap <C-g>  <C-c>

" Use the space key to toggle folds
nnoremap <space> za
vnoremap <space> zf

" Super fast window movement shortcuts
nmap <C-j> <C-W>j
nmap <C-k> <C-W>k
nmap <C-h> <C-W>h
nmap <C-l> <C-W>l

" Resize panes when window/terminal gets resize
autocmd VimResized * :wincmd =

" Search for the word under the cursor in the current directory
nmap <M-k>    :Rg <C-R><C-W><CR>
nmap <Esc>k   :Rg <C-R><C-W><CR>
nmap ˚        :Rg <C-R><C-W><CR>

" Alt-W to delete a buffer and remove it from the list but keep the window via bufkill.vim
nmap <Esc>w :BD<CR>
nmap <M-w>  :BD<CR>
nmap ∑      :BD<CR>

" Quickly fix spelling errors choosing the first result
nmap <Leader>z z=1<CR><CR>

" Fix annoyances in the QuickFix window, like scrolling too much
autocmd FileType qf setlocal number nolist
autocmd Filetype qf wincmd J " Makes sure it's at the bottom of the vim window

" Commands to send common keystrokes using tmux
let g:tmux_console_pane = '0:0.0'
let g:tmux_server_pane = '0:0.0'
function TmuxPaneRepeat()
  write
  silent execute ':!tmux send-keys -t' g:tmux_console_pane 'C-p' 'C-j'
  redraw!
endfunction
function TmuxPaneClear()
  silent execute ':!tmux send-keys -t' g:tmux_server_pane 'C-j' 'C-j' 'C-j' 'C-j' 'C-j' 'C-j' 'C-j'
  redraw!
endfunction

" These are things that I mistype and want ignored.
nmap Q  <silent>
nmap q: <silent>
nmap K  <silent>

" Make the cursor stay on the same line when window switching
function! KeepCurrentLine(motion)
  let theLine = line('.')
  let theCol = col('.')
  exec 'wincmd ' . a:motion
  if &diff
    call cursor(theLine, theCol)
  endif
endfunction
nnoremap <C-w>h :silent call KeepCurrentLine('h')<CR>
nnoremap <C-w>l :silent call KeepCurrentLine('l')<CR>

" ----------------------------------------------------------------------------
" ABBREVATIONS
" ----------------------------------------------------------------------------

" Typing `$c` on the command line expands to `:e` + the current path, so it's easy to edit a file in
" the same directory as the current file.
cnoremap $c e <C-\>eCurrentFileDir()<CR>
function! CurrentFileDir()
   return "e " . expand("%:p:h") . "/"
endfunction

" I can't spell :(
abbr conosle console
abbr comopnent component

" Debugging helpers
autocmd BufEnter *.py iabbr xxx print('XXX
autocmd BufEnter *.py iabbr yyy print('YYY
autocmd BufEnter *.py iabbr zzz print('ZZZ
autocmd BufEnter *.coffee iabbr xxx console.log 'XXX',
autocmd BufEnter *.coffee iabbr yyy console.log 'YYY',
autocmd BufEnter *.coffee iabbr zzz console.log 'ZZZ',
autocmd BufEnter *.js iabbr xxx console.log('XXX',
autocmd BufEnter *.js iabbr yyy console.log('YYY',
autocmd BufEnter *.js iabbr zzz console.log('ZZZ',
autocmd BufEnter *.ts iabbr xxx console.log('XXX',
autocmd BufEnter *.ts iabbr yyy console.log('YYY',
autocmd BufEnter *.ts iabbr zzz console.log('ZZZ',
autocmd BufEnter *.rb iabbr xxx puts "XXX
autocmd BufEnter *.rb iabbr yyy puts "YYY
autocmd BufEnter *.rb iabbr zzz puts "ZZZ
autocmd BufEnter *.rb iabbr ppp require 'pp'; pp

" ----------------------------------------------------------------------------
" OPTIONS
" ----------------------------------------------------------------------------

set autoindent              " Carry over indenting from previous line
set autoread                " Don't bother me hen a file changes
set autowrite               " Write on :next/:prev/^Z
set backspace=indent,eol,start
                            " Allow backspace beyond insertion point
set cindent                 " Automatic program indenting
set cinkeys-=0#             " Comments don't fiddle with indenting
set cino=                   " See :h cinoptions-values
set commentstring=\ \ #%s   " When folds are created, add them to this
set copyindent              " Make autoindent use the same chars as prev line
set cryptmethod=blowfish2   " Use a stronger cipher than the default
set directory-=.            " Don't store temp files in cwd
set encoding=utf8           " UTF-8 by default
set expandtab               " No tabs
set fileformats=unix,dos,mac  " Prefer Unix
set fillchars=vert:\ ,stl:\ ,stlnc:\ ,fold:-,diff:┄
                            " Unicode chars for diffs/folds, and rely on
                            " Colors for window borders
silent! set foldmethod=marker " Use braces by default
set formatoptions=tcqn1     " t - autowrap normal text
                            " c - autowrap comments
                            " q - gq formats comments
                            " n - autowrap lists
                            " 1 - break _before_ single-letter words
                            " 2 - use indenting from 2nd line of para
set hidden                  " Don't prompt to save hidden windows until exit
set history=200             " How many lines of history to save
set hlsearch                " Hilight searching
set ignorecase              " Case insensitive
set incsearch               " Search as you type
set infercase               " Completion recognizes capitalization
set laststatus=2            " Always show the status bar
set linebreak               " Break long lines by word, not char
set list                    " Show whitespace as special chars - see listchars
set listchars=tab:»\ ,extends:›,precedes:‹,nbsp:·,trail:· " Unicode characters for various things
set matchtime=2             " Tenths of second to hilight matching paren
set nomodeline              " teh hackerz!!!1
silent! set mouse=nvc       " Use the mouse, but not in insert mode
set nobackup                " No backups left after done editing
set nonumber                " No line numbers to start
set visualbell t_vb=        " No flashing or beeping at all
set nowritebackup           " No backups made while editing
set printoptions=paper:letter " US paper
set ruler                   " Show row/col and percentage
set scroll=4                " Number of lines to scroll with ^U/^D
set scrolloff=15            " Keep cursor away from this many chars top/bot
set sessionoptions-=options " Don't save runtimepath in Vim session (see tpope/vim-pathogen docs)
set shiftround              " Shift to certain columns, not just n spaces
set shiftwidth=2            " Number of spaces to shift for autoindent or >,<
set shortmess+=A            " Don't bother me when a swapfile exists
set showbreak=              " Show for lines that have been wrapped, like Emacs
set showmatch               " Hilight matching braces/parens/etc.
set sidescrolloff=3         " Keep cursor away from this many chars left/right
set smartcase               " Lets you search for ALL CAPS
set softtabstop=2           " Spaces 'feel' like tabs
set suffixes+=.pyc          " Ignore these files when tab-completing
set tabstop=2               " The One True Tab
set textwidth=0             " No wrapping by default
set wildmenu                " Show possible completions on command line
set wildmode=list:longest,full " List all options and complete
set wildignore=*.class,*.o,*~,*.pyc,.git,node_modules  " Ignore certain files in tab-completion

" Essential for filetype plugins.
filetype plugin indent on

" ----------------------------------------------------------------------------
" CUSTOM COMMANDS AND FUNCTIONS
" ----------------------------------------------------------------------------

" I always hit ":W" instead of ":w" because I linger on the shift key...
command! Q q
command! W w

" Trim spaces at EOL and retab. I run `:CLEAN` a lot to clean up files.
command! TEOL %s/\s\+$//
command! CLEAN retab | TEOL

" Close all buffers except this one
command! BufCloseOthers %bd|e#

" ----------------------------------------------------------------------------
" PLUGIN SETTINGS
" ----------------------------------------------------------------------------

" Use Pathogen for plugin management. See update.sh in this directory.
runtime bundle/vim-pathogen/autoload/pathogen.vim
call pathogen#infect()
call pathogen#helptags()

" For any plugins that use this, make their keymappings use comma
let mapleader = ","
let maplocalleader = ","

" FZF (replaces Ctrl-P, FuzzyFinder and Command-T)
set rtp+=/usr/local/opt/fzf
set rtp+=/opt/homebrew/opt/fzf
set rtp+=~/.fzf
nmap ; :Files<CR>
nmap <Leader>r :Tags<CR>
nmap <Leader>b :Buffers<CR>
nmap <Leader>t :Files<CR>
nmap <Leader>a :Rg!<CR>
nmap <Leader>c :Colors<CR>
let $FZF_DEFAULT_COMMAND = 'rg --files --follow -g "!{.git,node_modules}/*" 2>/dev/null'
command! -bang -nargs=* Rg
  \ call fzf#vim#grep(
  \   'rg --column --line-number --no-heading --color=always --smart-case -g "!{*.lock,*-lock.json}" '.shellescape(<q-args>), 1,
  \   <bang>0 ? fzf#vim#with_preview('up:40%')
  \           : fzf#vim#with_preview('right:50%:hidden', '?'),
  \   <bang>0)

" FZF color scheme updater from https://github.com/junegunn/fzf.vim/issues/59
function! s:update_fzf_colors()
  let rules =
  \ { 'fg':      [['Normal',       'fg']],
    \ 'bg':      [['Normal',       'bg']],
    \ 'hl':      [['String',       'fg']],
    \ 'fg+':     [['CursorColumn', 'fg'], ['Normal', 'fg']],
    \ 'bg+':     [['CursorColumn', 'bg']],
    \ 'hl+':     [['String',       'fg']],
    \ 'info':    [['PreProc',      'fg']],
    \ 'prompt':  [['Conditional',  'fg']],
    \ 'pointer': [['Exception',    'fg']],
    \ 'marker':  [['Keyword',      'fg']],
    \ 'spinner': [['Label',        'fg']],
    \ 'header':  [['Comment',      'fg']] }
  let cols = []
  for [name, pairs] in items(rules)
    for pair in pairs
      let code = synIDattr(synIDtrans(hlID(pair[0])), pair[1])
      if !empty(name) && code != ''
        call add(cols, name.':'.code)
        break
      endif
    endfor
  endfor
  let s:orig_fzf_default_opts = get(s:, 'orig_fzf_default_opts', $FZF_DEFAULT_OPTS)
  let $FZF_DEFAULT_OPTS = s:orig_fzf_default_opts .
        \ (empty(cols) ? '' : (' --color='.join(cols, ',')))
endfunction

augroup _fzf
  autocmd!
  autocmd VimEnter,ColorScheme * call <sid>update_fzf_colors()
augroup END

" Ctrl-C has a long delay in SQL files - https://unix.stackexchange.com/a/150769
let g:ftplugin_sql_omni_key = '<Leader>s'

" More space with NERDTree
let g:NERDTreeMinimalUI = 1
let g:NERDTreeMarkBookmarks = 0
let g:NERDTreeAutoDeleteBuffer = 1
let g:NERDTreeStatusLine = -1

" Tell ack.vim to use ripgrep instead
let g:ackprg = 'rg --vimgrep --no-heading'

" GitGutter styling to use · instead of +/-
let g:gitgutter_sign_added = '▌'
let g:gitgutter_sign_modified = '▌'
let g:gitgutter_sign_removed = '▌'
let g:gitgutter_sign_modified_removed = '∙'
nmap ]g :GitGutterNextHunk<CR>
nmap [g :GitGutterPrevHunk<CR>
augroup VimDiff
  autocmd!
  autocmd VimEnter,FilterWritePre * if &diff | GitGutterDisable | endif
augroup END

" SuperTab
let g:SuperTabLongestEnhanced = 1
let g:SuperTabLongestHighlight = 1
au Filetype typescript let b:SuperTabDefaultCompletionType = "<C-x><C-o>"

" csv.vim
let g:csv_delim_test = ',|'
let g:csv_no_conceal = 1
highlight link CSVDelimiter Delimiter
highlight link CSVColumnHeaderEven Type
highlight link CSVColumnHeaderOdd Type

" Use incsearch.vim to highlight as I search
map /  <Plug>(incsearch-forward)
map ?  <Plug>(incsearch-backward)
map g/ <Plug>(incsearch-stay)

" Highlight YAML frontmatter in Markdown files
let g:vim_markdown_frontmatter = 1

" Lightline
let g:lightline = {
\ 'colorscheme': 'wombat',
\ 'active': {
\   'left': [['mode', 'paste'], ['filename', 'modified']],
\   'right': [['lineinfo'], ['percent'], ['readonly', 'linter_warnings', 'linter_errors', 'linter_ok']]
\ },
\ 'component_expand': {
\   'linter_warnings': 'LightlineLinterWarnings',
\   'linter_errors': 'LightlineLinterErrors',
\   'linter_ok': 'LightlineLinterOK'
\ },
\ 'component_type': {
\   'readonly': 'error',
\   'linter_warnings': 'warning',
\   'linter_errors': 'error'
\ },
\ }
function! LightlineLinterWarnings() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '' : printf('%d ◆', all_non_errors)
endfunction
function! LightlineLinterErrors() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '' : printf('%d ✗', all_errors)
endfunction
function! LightlineLinterOK() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '✓ ' : ''
endfunction

" Update and show lightline but only if it's visible (e.g., not in Goyo)
function! s:MaybeUpdateLightline()
  if exists('#lightline')
    call lightline#update()
  end
endfunction

" Update the lightline scheme from the colorscheme. Hopefully.
function! s:UpdateLightlineColorScheme()
  let g:lightline.colorscheme = g:colors_name
  call lightline#init()
endfunction

augroup _lightline
  autocmd!
  autocmd ColorScheme * call s:UpdateLightlineColorScheme()
augroup END

" ----------------------------------------------------------------------------
" COLORS
" ----------------------------------------------------------------------------

" Make sure colored syntax mode is on, and make it Just Work with 256-color terminals.
set background=dark
let g:rehash256 = 1 " Something to do with Molokai?
colorscheme molokai
let g:seoul256_background = 233
if !has('gui_running')
  let g:solarized_termcolors = 256
  if $TERM == "xterm-256color" || $TERM == "screen-256color" || $COLORTERM == "gnome-terminal"
    set t_Co=256
  elseif has("terminfo")
    colorscheme default
    set t_Co=8
    set t_Sf=[3%p1%dm
    set t_Sb=[4%p1%dm
  else
    colorscheme default
    set t_Co=8
    set t_Sf=[3%dm
    set t_Sb=[4%dm
  endif
  " Disable Background Color Erase when within tmux - https://stackoverflow.com/q/6427650/102704
  if $TMUX != ""
    set t_ut=
  endif
endif
syntax on

" Make the damned tildes less visible
highlight link EndOfBuffer Comment

" Custom colors for NERDTree
highlight def link NERDTreeRO NERDTreeFile

" Make menu selections visible
highlight PmenuSel ctermfg=black ctermbg=magenta

" Custom mode for distraction-free editing
function! ProseMode()
  call goyo#execute(0, [])
  set spell noci nosi noai nolist noshowmode noshowcmd
  set complete+=s
  colors molokai
endfunction
command! ProseMode call ProseMode()
autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!

" ----------------------------------------------------------------------------
" FILE TYPE TRIGGERS
" ----------------------------------------------------------------------------

" Reset all autocommands
augroup vimrc
autocmd!

au BufNewFile,BufRead *.cson    set ft=coffee
au BufNewFile,BufRead *.glsl    setf glsl
au BufNewFile,BufRead *.gyp     set ft=python
au BufNewFile,BufRead *.html    setlocal nocindent smartindent
au BufNewFile,BufRead *.i7x     setf inform7
au BufNewFile,BufRead *.ini     setf conf
au BufNewFile,BufRead *.input   setf gnuplot
au BufNewFile,BufRead *.journal setlocal tw=0 ts=4 sw=4 et
au BufNewFile,BufRead *.json    set ft=json tw=0
au BufNewFile,BufRead *.less    setlocal ft=less nocindent smartindent
au BufNewFile,BufRead *.lkml    setf yaml
au BufNewFile,BufRead *.md      setlocal ft=markdown nolist spell
au BufNewFile,BufRead *.md,*.markdown setlocal foldlevel=999 tw=0 nocin
au BufNewFile,BufRead *.ni,*.i7x      setlocal ft=inform7 fdm=manual nolist ts=2 sw=2 noet spell
au BufNewFile,BufRead *.plist   setf xml
au BufNewFile,BufRead *.rb      setlocal noai
au BufNewFile,BufRead *.rxml    setf ruby
au BufNewFile,BufRead *.sass    setf sass
au BufNewFile,BufRead *.ttml    setf xml
au BufNewFile,BufRead *.vert,*.frag set ft=glsl
au BufNewFile,BufRead *.xml     setlocal ft=xml ts=2 sw=2 et
au BufNewFile,BufRead *.zone    setlocal nolist ts=4 sw=4 noet
au BufNewFile,BufRead *.zsh     setf zsh
au BufNewFile,BufRead *.ovpn    setf openvpn
au BufNewFile,BufRead *templates/*.html setf htmldjango
au BufNewFile,BufRead .conkyrc set ft=lua
au BufNewFile,BufRead .git/config setlocal ft=gitconfig nolist ts=4 sw=4 noet
au BufNewFile,BufRead .gitconfig* setlocal ft=gitconfig nolist ts=4 sw=4 noet
au BufNewFile,BufRead postgres*.conf setlocal nolist ts=8 sw=8 noet
au BufNewFile,BufRead .vimlocal,.gvimlocal setf vim
au BufNewFile,BufRead .zshlocal setf zsh
au BufNewFile,BufRead /tmp/crontab* setf crontab
au BufNewFile,BufRead COMMIT_EDITMSG setlocal nolist nonumber
au BufNewFile,BufRead Makefile setlocal nolist
au BufNewFile,BufRead dist/* set ft=text

au FileType gitcommit setlocal nolist ts=4 sts=4 sw=4 noet
au FileType inform7 setlocal nolist tw=0 ts=4 sw=4 noet foldlevel=999
au FileType json setlocal conceallevel=0 foldmethod=syntax foldlevel=999
au FileType make setlocal nolist ts=4 sts=4 sw=4 noet
au FileType markdown syn sync fromstart
au Filetype gitcommit setlocal tw=80
au Filetype csv setlocal nocursorline

augroup END

" ----------------------------------------------------------------------------
" HOST-SPECIFIC VIM FILE
" ----------------------------------------------------------------------------

" Now load specifics to this host
if filereadable(expand("~/.vimlocal"))
  source ~/.vimlocal
endif

" Some plugin seems to search for something at startup, so this fixes that.
silent! nohlsearch