dotfiles/.config/nvim/lua/blake/settings.lua

-- TODO: translate this to lua
vim.cmd [[
""" Settings
   set suffixes+=.aux,.bbl,.blg,.brf,.cb,.dvi,.idx,.ilg,.ind,.inx,.jpg,.log,.out,.png,.toc
   set suffixes-=.h
   set suffixes-=.obj
   set tabstop=3 softtabstop=3
   set shiftwidth=3
   set expandtab
   set smartindent
   " set foldmethod=indent
   " set foldlevel=0
   set undodir=~/.vim/undo
   set undofile
   set noswapfile
   set hlsearch
   set hidden
   set ignorecase
   set smartcase
   set wrap
   set linebreak
   " set guicursor= " always use the block cursor
   syntax enable
   set syntax=on
   set redrawtime=1000 " max syntax highlight time
   set number "relativenumber
   "autocmd InsertEnter * :set norelativenumber " Automatically toggle line numbers
   "autocmd InsertLeave * :set relativenumber 
   set noerrorbells
   set encoding=UTF-8
   set cursorline
   set mouse=a
   set incsearch
   set scrolloff=5
   " set wildmenu
   " set wildmode=full
   " TextEdit might fail if hidden is not set.
   set hidden
   set cmdheight=1 " Give more space for displaying messages.
   " Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
   " delays and poor user experience.
   set updatetime=300
   " Don't pass messages to |ins-completion-menu|.
   set shortmess+=c
   " Spell check!
   set spelllang=en_us
   " spell check in git commits
   autocmd Filetype gitcommit setlocal spell
   set showcmd
   set signcolumn=yes
   " disable spell check in help files
   autocmd FileType help setlocal nospell
   filetype plugin on
   " Macro for opening a new terminal with spell check off
   command! Term tabnew | setlocal nospell | term
   autocmd FileType help setlocal nospell
   " test whitespace ->
   " more test whitespace ->
   " Indented text
   " even more test whitespace ->

""" Key bindings
   let mapleader = " "

  " *sigh*...
   command! Q q
   command! W w
   command! Wq wq
   command! WQ wq
   command! Wa wa
   command! WA wa
   command! Qa qa
   command! QA qa
   command! Wqa wqa
   command! WQa wqa
   command! WQA wqa

  " Press Alt h to toggle highlighting on/off, and show current value.
   nnoremap <M-h> <cmd>noh<CR>

  " Toggle spell check with alt S
   nnoremap <M-S> <cmd>set spell! spell?<CR>

  " find + replace with alt S
   nnoremap <M-s> <cmd>%s//g<Left><Left>

  " Escape to enter normal mode in the terminal
   tnoremap <Esc> <C-\><C-n>

   nnoremap <silent> <Leader>= :exe "resize " . (winheight(0) * 3/2)<CR>
   nnoremap <silent> <Leader>+ :exe "resize " . (winheight(0) * 3/2)<CR>
   nnoremap <silent> <Leader>- :exe "resize " . (winheight(0) * 2/3)<CR>

  " Switch panes with ctrl hjkl
   nnoremap <C-h> <C-w>h
   nnoremap <C-j> <C-w>j
   nnoremap <C-k> <C-w>k
   nnoremap <C-l> <C-w>l

  " Move lines around in visual mode with J and K
   vnoremap J :m '>+1<CR>gv=gv
   vnoremap K :m '<-2<CR>gv=gv

  " Format text with Q, rather than gw
   nnoremap Q gw

   colorscheme slate
]]

-- 24-bit color
vim.cmd [[
   "Use 24-bit (true-color) mode in Vim/Neovim when outside tmux.
   "If you're using tmux version 2.2 or later, you can remove the outermost $TMUX check and use tmux's 24-bit color support
   "(see < http://sunaku.github.io/tmux-24bit-color.html#usage > for more information.)
   if (empty($TMUX))
      if (has("nvim"))
         "For Neovim 0.1.3 and 0.1.4 < https://github.com/neovim/neovim/pull/2198 >
         let $NVIM_TUI_ENABLE_TRUE_COLOR=1
      endif
      "For Neovim > 0.1.5 and Vim > patch 7.4.1799 < https://github.com/vim/vim/commit/61be73bb0f965a895bfb064ea3e55476ac175162 >
      "Based on Vim patch 7.4.1770 (`guicolors` option) < https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd >
      " < https://github.com/neovim/neovim/wiki/Following-HEAD#20160511 >
      if (has("termguicolors"))
         "set termguicolors
      endif
   endif
]]


-- Make vim a hex editor
-- Edit *.bin files as binaries rather than text files (if your file isn't a .bin,
-- make a symlink that points to it with the .bin extension and edit the symlink ;)
vim.cmd [[
	augroup Binary
	   au!
	   au BufReadPre  *.bin let &bin=1
	   au BufReadPost *.bin if &bin | %!xxd
	   au BufReadPost *.bin set ft=xxd | endif
	   au BufWritePre *.bin if &bin | %!xxd -r
	   au BufWritePre *.bin endif
	   au BufWritePost *.bin if &bin | %!xxd
	   au BufWritePost *.bin set nomod | endif
	augroup END
]]

-- 'Visual At' plugin (https://github.com/stoeffel/.dotfiles/blob/master/vim/visual-at.vim)
-- basically, record a macro, select some lines, then run it, and the macro
-- will be executed on all visual selected lines individually
vim.cmd [[
   xnoremap @ :<C-u>call ExecuteMacroOverVisualRange()<CR>
   function! ExecuteMacroOverVisualRange()
   echo "@".getcmdline()
   execute ":'<,'>normal @".nr2char(getchar())
   endfunction
]]

-- Automatically jump to the last position in a file when opening
vim.cmd [[ au BufReadPost * if expand('%:p') !~# '\m/\.git/' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif ]]

-- Highlight trailing whitespace in red
vim.cmd [[
   highlight ExtraWhitespace ctermbg=red guibg=red
   match ExtraWhitespace /\s\+$/
   au BufWinEnter * match ExtraWhitespace /\s\+$/
   au InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
   au InsertLeave * match ExtraWhitespace /\s\+$/
   au BufWinLeave * call clearmatches()
]]