.vimrc

" ==============================================
"               cmr vimrc
" ==============================================
set nocompatible              " iMproved
filetype off                  " required
filetype plugin indent on
"setlocal spell spelllang=en_us
set nofoldenable    " disable folding



" ----------------------------------
" Extremely Important Fix
" ----------------------------------
" Turn off Esc+O key sequences (eliminates one-second delay when pressing O):
" https://superuser.com/questions/161178/why-does-vim-delay-for-a-second-whenever-i-use-the-o-command-open-a-new-line#161216
" if this is re-enabled i may stab someone.
set noesckeys
set ttimeoutlen=5

" now you have to do this a second time
" (after the above lines)
set nocompatible


" ------------------------
"  Lazy stuffs
"  -----------------------
"  https://spf13.com/post/perfect-vimrc-vim-config-file/
"
" make ; work like : to save us from Shift
" nnoremap --> extra n means normal mode only,
" nore means no recursive
nnoremap ; :
"
"""" Remove trailing whitespaces and \^M chars
"""autocmd FileType c,cpp,java,php,js,python,twig,xml,yml autocmd
"""BufWritePre <buffer> :call
"""setline(1,map(getline(1,"$"),'substitute(v:val,"\\\\s\\\\+$","","")'))



" -----------------------------------
" TwiddleCase function
" -----------------------------------
" TwiddleCase cycles a visual selection through
" lower case/UPPER CASE/Capital Case
"
" Originallly mapped to ~
" Switched to Control+P
"   b/c it was not doing anything useful
function! TwiddleCase(str)
  if a:str ==# toupper(a:str)
    let result = tolower(a:str)
  elseif a:str ==# tolower(a:str)
    let result = substitute(a:str,'\(\<\w\+\>\)', '\u\1', 'g')
  else
    let result = toupper(a:str)
  endif
  return result
endfunction
"" Map twiddle to ~
"vnoremap ~ y:call setreg('', TwiddleCase(@"), getregtype(''))<CR>gv""Pgv
" Map twiddle to C-p
" (You have to have a visual selection first!!!)
" (This is complete black magic, no idea where this comes from)
vnoremap <C-p> y:call setreg('', TwiddleCase(@"), getregtype(''))<CR>gv""Pgv



" ----------------------------------------
" insert new line without leaving normal mode
" by literally typing ,o or ,O
" (this still sucks.)
" https://vi.stackexchange.com/a/3877
" ----------------------------------------
nnoremap <Leader>o o<Esc>
nnoremap <Leader>O O<Esc>



" ------------------------
"   Vim Annoyances
" -----------------------

" http://blog.sanctum.geek.nz/vim-annoyances/
" don't break words with wrap on
set linebreak
" don't make these keys do annoying things
nnoremap <F1> <nop>
nnoremap J mzJ`z
nnoremap n nzz
nnoremap } }zz
nnoremap <F1> <nop>
nnoremap Q <nop>
nnoremap K <nop>
" use j and k to move among display lines, not just file lines
noremap j gj
noremap k gk
" if compiled with autocmd, jump to last cursor position
if has("autocmd")
  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  autocmd BufReadPost *
    \ if line("'\"") > 0 && line("'\"") <= line("$") |
    \   exe "normal g`\"" |
    \ endif
endif " has("autocmd")
" allow visual mode to go to blank space at end of lines
set virtualedit=block
" put horz./vert. splits in the right place
set splitbelow
set splitright



" ------------------------
"      For Sanity
" -----------------------

" this turns on syntax highlighting
syntax on
set synmaxcol=200 " don't syntax highlight past this many chars
set ic
" this highlights search items
set hls
" this highlights search items as they are typed
set incsearch
hi IncSearch cterm=none ctermfg=blue ctermbg=green
" make searches case-insensitive, unless they contain upper-case letters:
set ignorecase
set smartcase
" toggle search highlighting:
" space after search turns off highlights and clears messages
:nnoremap <silent> <Space> :nohlsearch<Bar>:echo<CR>
" turn off splash message
set shortmess+=I
" allow backspacing after first insert spot
set backspace=indent,eol,start
" murder that cursed blinking cursor
let &guicursor = &guicursor . ",a:blinkon0"


" --------------------------
" Pathogen
" --------------------------
"
"  to install vim pathogen plugin:
"  mkdir -p ~/.vim/autoload ~/.vim/bundle && \
"  curl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vim
"
"  now you need to "infect" yourself
"  (questionable word choices...)
execute pathogen#infect()



" --------------------------
" Go settings
" --------------------------
"
" https://github.com/paulswanson/congo/blob/master/congo.sh
"
filetype indent plugin on
"set number
"set mouse=a
"
" to install vim-go plugin:
" git clone https://github.com/fatih/vim-go.git ~/.vim/bundle/vim-go
"
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_structs = 1
let g:go_fmt_command = "goimports"


" ------------------------
"   Filetype Settings
" -----------------------

" python
" ------------------------
" don't move comment hashtag to the first column.
" smartindent is unnecessary for python anyway.
" http://stackoverflow.com/questions/2063175/vim-insert-mode-comments-go-to-start-of-line
au! FileType python setl textwidth=0 nosmartindent

" golang
" see https://github.com/paulswanson/congo/blob/master/congo.sh
" ------------------------
au BufRead,BufNewFile *.go set textwidth=0 noexpandtab

" Makefiles
" ------------------------
au BufRead,BufNewFile Makefile*,*.make,*.mk set textwidth=0 noexpandtab

" C++
" ------------------------
au BufRead,BufNewFile *.cpp,*.cxx,*.cc,*.c,*.h,*.hpp,*.hxx,*.hh set textwidth=0 tabstop=4 shiftwidth=4 softtabstop=4 nowrap

" shell scripts
" ------------------------
au BufRead,BufNewFile *.sh set textwidth=0 noexpandtab

" Snakemake files: Snakefile, .rule, .snake, .settings, .smk
" ------------------------
au BufNewFile,BufRead set syntax=snakemake
au BufNewFile,BufRead Snakefile*,*.rule,*.snake,*.smk set syntax=snakemake

" Yaml
" ------------------------
autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
" don't autoindent yaml files
filetype plugin indent on
au filetype yaml call DisableIndentY()
function! DisableIndentY()
        set autoindent&
        set cindent&
        set smartindent&
        set indentexpr&
endfunction

" Javascript
" -------------------------
au BufRead,BufNewFile *.js,*.javascript set textwidth=0 tabstop=2 shiftwidth=2 softtabstop=2 nowrap



" ------------------------
"     Lines & Tabs
" ------------------------

" line numbering - make it more readable
set ruler

" eliminate line wrapping
set nowrap

" tabs are 4 spaces: the *correct* way
set tabstop=4 shiftwidth=4 expandtab
set nosmartindent   " die die die

" set the text width at
" 80 or 88, whatever
set textwidth=115
" IMPORTANT -
" above directive will auto-wrap
" your text as you type it, and may
" end up driving you mad.
" Set textwidth to 0 or a different number for known (code) filetypes.

" > Bugbear's documentation explains 88 vs 80:
" > "it's like highway speed limits, we won't bother
" > you if you overdo it by a few km/h".
"
" Turn character 80/88 red
" (for visibility conforming to
"  coding standards)
" https://stackoverflow.com/questions/23246962/vim-highlight-a-single-character-at-column-80#23247938
hi Bang ctermfg=red guifg=red
"match Bang /\%>87v.*\%<89v/
match Bang /\%>79v.*\%<81v/



" ---------------------------
"  Spelling
"  --------------------------
" correct my common typos without me even noticing them:
abbreviate teh the
abbreviate hte the
abbreviate reccommend recommend
abbreviate reccomend recommend
abbreviate recomend recommend
abbreviate slef self
abbreviate paramters parameters
abbreviate exmaple example
abbreviate improt import
abbreviate impot import
abbreviate imrpot import
abbreviate surpress suppress
abbreviate supress suppress



" ------------------------
"     Tab Wild Mode
" -----------------------
" from http://dotfiles.org/~brendano/.vimrc:
" :e <tab> brings up longest; <tab> again shows list
set wildmode=longest,list
if exists('+autochdir')
  " so :e is relative to current file
  set autochdir
endif
" Running command :CD will change to current file's directory
com! CD cd %:p:h



" ------------------------
"      Fat Fingers
" -----------------------

" allow quit via double keypress
map XX :q!<CR>
map QQ :wq<CR>
map WQ :wq<CR>
map WW :w<CR>


" for fat fingers
" http://blog.sanctum.geek.nz/vim-command-typos/
if has("user_commands")
    command! -bang -nargs=? -complete=file E e<bang> <args>
    command! -bang -nargs=? -complete=file W w<bang> <args>
    command! -bang -nargs=? -complete=file Wq wq<bang> <args>
    command! -bang -nargs=? -complete=file WQ wq<bang> <args>
    command! -bang Wa wa<bang>
    command! -bang WA wa<bang>
    command! -bang Q q<bang>
    command! -bang QA qa<bang>
    command! -bang Qa qa<bang>
endif



" ------------------------
"       Markdown
" -----------------------

" don't autoindent markdown files
filetype plugin indent on
au filetype mkd call DisableIndent()
function! DisableIndent()
        set autoindent&
        set cindent&
        set smartindent&
        set indentexpr&
endfunction

" fix latex highlighting in markdown
function! MathAndLiquid()
    "" Define certain regions
    " Block math. Look for "$$[anything]$$"
    syn region math start=/\$\$/ end=/\$\$/
    " inline math. Look for "$[not $][anything]$"
    syn match math_block '\$[^$].\{-}\$'

    " Fenced code blocks, used in GitHub Flavored Markdown (GFM)
    syn region highlight_block start='```' end='```'

    "" Actually highlight those regions.
    hi link math Statement
    hi link math_block Function
    hi link highlight_block Function
endfunction

" Call everytime we open a Markdown file
autocmd BufRead,BufNewFile,BufEnter *.md,*.markdown call MathAndLiquid()



" ------------------------
"       Reddit
" -----------------------
"
" Persistent Undo
if has("persistent_undo")
    set undodir=~/.vim/undodir
    set undofile
endif



" ------------------------
"  Github Maximum Awesome
" -----------------------
"
" By default, <Leader> is \
" but that's hard to reach,
" and no one uses , anyway
let mapleader = ','
" now shortcuts are as easy as
" ,A ,B ,C

" Shift+Tab should de-indent
" Control + D is de-indent
inoremap <S-Tab> <C-d>
set autoindent
set backspace=2                                              " Fix broken backspace in some setups
set clipboard=unnamed                                        " yank and paste with the system clipboard
set encoding=utf-8
set ruler                                                    " show where you are
set showcmd
set smartcase                                                " case-sensitive search if any caps
set wildignore=log/**,node_modules/**,target/**,tmp/**,*.pyc
noremap <C-h> <C-w>h
noremap <C-j> <C-w>j
noremap <C-k> <C-w>k
noremap <C-l> <C-w>l
" in case you forgot to sudo
cnoremap w!! %!sudo tee > /dev/null %
" automatically rebalance windows on vim resize
autocmd VimResized * :wincmd =
" Fix Cursor in TMUX
if exists('$TMUX')
  let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
  let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
else
  let &t_SI = "\<Esc>]50;CursorShape=1\x7"
  let &t_EI = "\<Esc>]50;CursorShape=0\x7"
endif
" Don't copy the contents of an overwritten selection.
vnoremap p "_dP



" ====================
" modified mathias
" ====================
" " (woah.)

" Enhance command-line completion
set wildmenu
" Allow backspace in insert mode
set backspace=indent,eol,start
" Optimize for fast terminal connections
set ttyfast
""""""""""""""""""""""""
"" EVIL
"set binary
""""""""""""""""""""""""
" Don’t add empty newlines at the end of files
set noeol
" Set swap file dir
set directory=~/.vim/swap
if exists("&undodir")
	set undodir=~/.vim/undo
endif
" Don’t create backups when editing files in certain directories
set backupskip=/tmp/*,/private/tmp/*
" Respect modeline in files
set modeline
set modelines=4
" Enable per-directory .vimrc files and disable unsafe commands in them
"""set exrc
"""set secure
" Enable line numbers
set number
"""""""""""""" Enable syntax highlighting
"""""""""""""syntax on
" Highlight current line
set cursorline
" Highlight searches
set hlsearch
" Ignore case of searches
set ignorecase
" Highlight dynamically as pattern is typed
set incsearch
" Always show status line
set laststatus=2
" Enable mouse in all modes
set mouse=a
" Disable error bells
set noerrorbells
" Don’t reset cursor to start of line when moving around.
set nostartofline
" Show the cursor position
set ruler
" Don’t show the intro message when starting Vim
set shortmess+=atI
" Show the current mode
set showmode
" Show the filename in the window titlebar
set title
" Show the (partial) command as it’s being typed
set showcmd
" Use relative line numbers
""" if exists("&relativenumber")
""" 	set relativenumber
""" 	au BufReadPost * set relativenumber
""" endif
" Start scrolling N lines before the horizontal window border
set scrolloff=5

" Automatic commands
if has("autocmd")
    " Enable file type detection
    filetype on
    " Treat .json files as .js
    autocmd BufNewFile,BufRead *.json setfiletype json syntax=javascript
    " Treat .md files as Markdown
    autocmd BufNewFile,BufRead *.md setlocal filetype=markdown
endif
" Mark special characters
"set listchars=nbsp:☠,tab:▸␣
"set listchars=tab:▸␣
"set list


" ---------------------------
"  <leader> is set to , above
"  and gives us a whole namespace
"  of shortcuts to work with.
"
"  Can map things to:
"  - custom functions
"  - system comands

" Show leader in bottom right
set showcmd

" Strip whitespace - trailing whitespace - with (,ss)
function! StripWhitespace()
	let save_cursor = getpos(".")
	let old_query = getreg('/')
	:%s/\s\+$//e
	call setpos('.', save_cursor)
	call setreg('/', old_query)
endfunction
noremap <Leader>ss :call StripWhitespace()<cr>

" Strip annoying windows newline characters ^M
function! StripWinLineBreaks()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    :%s/
//g
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfunction
noremap <Leader>sn :call StripWinLineBreaks()<cr>

" Save a file as root (,W)
noremap <Leader>W :w !sudo tee % > /dev/null<cr>




" ----------------------------
" colorrrzzzzz
" ----------------------------

""" set background=dark
""" 
""" set t_Co=256
""" 
""" function! BgToggle()
"""   if &background == "light"
"""     execute ":set background=dark"
"""   else
"""     execute ":set background=light"
"""   endif
""" endfunction
""" nnoremap <F5> :call BgToggle()<cr>


" more color schemes:
"colorscheme blue
"colorscheme darkblue
"colorscheme default
"colorscheme delek
"colorscheme desert " <-- old standby
"colorscheme elflord
"colorscheme evening
"colorscheme industry
"colorscheme koehler
"colorscheme macvim
"colorscheme morning
"colorscheme murphy
"colorscheme pablo
"colorscheme peachpuff " <-- not bad
"colorscheme ron
"colorscheme shine
"colorscheme slate
"colorscheme solarized
"colorscheme torte
"colorscheme zellner

" ------------------------
" Move Faster
" ------------------------
" (these MUST go at the end)
"
" default shift + j (combines lines)
" moves to shift + L
nnoremap <S-L> :join<CR>

" shift + j and shift + k
" move up and down n lines
map <S-j> 7j
map <S-k> 7k

" Bubble text up/down
" Single line:
nmap <C-k> ddkP
nmap <C-j> ddp
" Multiple lines:
vmap <C-k> xkP`[V`]
vmap <C-j> xp`[V`]

" -----------------------------
" Jedi Autocomplete Plugin
" -----------------------------
"let g:jedi#auto_initialization = 0

"" -----------------------
""  Black shortcut
"" -----------------------
"noremap <Leader>bb :Black<cr>