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init.options.vim
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" List of directory names for the swap file
" This is the vim6 default, but we have to overwrite what we have in ~/.exrc
set directory=.,~/tmp,/var/tmp,/tmp
set backupcopy=yes " Preserve the birth time of files, at least on macOS
set nobackup " gvim-win32 has it on by default
set autoread " Reload files changed outside vim
if !exists('g:nvim')
" 2025-04-01 Still missing from neovim: https://neovim.io/doc/user/vim_diff.html#nvim-missing
set browsedir=current " Make the file browser always open the current directory.
endif
""" Command-line options
set laststatus=2 " Show the status line at all times
set cmdheight=2 " Number of screen lines for the command line
set shortmess=a " Use short messages whenever possible
set showcmd " Display at the bottom right incomplete commands that are still being typed
set history=1024 " New of lines of command line history
set wildmenu wildmode=longest:full,full
""" Display options
set icon " Let vim modify X11 window icon
set title " Let vim modify window title
" (We don't need to restore--our screen overwrites)
set t_ti= t_te= " Disable tite
set ruler " Show the cursor position all the time
set ttyfast " Connection is fast, so redraw well
set visualbell " Don't beep
set number " Show absolute line number at current line
set relativenumber " Show relative line numbers
set cursorline " Underline current line
set list " Display tabs
set linebreak " Wrap at word boundaries (see 'breakat' option)
set showbreak=↪ " String to put at start of lines that are soft-wrapped
set scrolloff=2 " Min number of lines above and below cursor
set sidescrolloff=4 " Min number of columns to the left and right of cursor
" Define how ':set list' will give visual cues
" Test: [ ] [ ]
" Test: [] (zero-width)
"set listchars=tab:→\ ,space:·,nbsp:␣,trail:•,eol:¶,precedes:«,extends:»
set listchars=tab:→\ ,nbsp:␣,trail:·,precedes:«,extends:»
""" Split window options
set splitright " Add new split window to right of current
set splitbelow " Add new split window below current
set equalalways " Make windows same size after new/close split
set winheight=15 " Recommended minimum size of window when switching
" to one of the split windows, if possible
set winminheight=0 " We don't need to see any line of non-current split window
""" Buffer options
set hidden " Automatically hides buffers when abandoned
" without requiring them to be saved
" (this is vim's funny name for a feature that should
" be on by default for any multi-file editor)
""" Editing options
set nostartofline " Don't move cursor to beg of line when paging
set nojoinspaces " Don't insert 2 spaces after [.?!] when hitting J
set backspace=2 " Same as "set backspace=indent,eol,start" after vim 5.4
set nrformats-=octal " Prevent 07 from being interpreted as octal when incrementing
set expandtab
set tabstop=8 " Overwrites ~/.exrc setting in favor of softtabstop
set softtabstop=4 " Write tabs the way we want them
set shiftround " Round indent to multiple of 'shiftwidth'
" We want to be able to go everywhere when using visual blocks and when
" in insert mode using the arrow keys--this is great for editing tables.
set virtualedit=block
""" Search options
set incsearch " Do incremental searching
set ignorecase " We can turn that on, now that we use eregex's `:S` case-sensitively
set smartcase " Override ignorecase if search contains uppercase
" Search highlighting
set hlsearch " Hightlight search matches
" In case, we're manually sourcing .vimrc and we had a search going, turn
" off the current search highlight
noh
""" Programming options
"set errorfile=errors
" errorformat: 1) GCC, 2) generic C compilers
set errorformat=%f:%l:\ %m,\"%f\"\\,%*[^0-9]%l:\ %m
" Paths to search for the find commands
set path+=~/include,~/*/include
""" Folding
" 2012-06-24 vim 7.3 seems to have a bug that makes this option slow everything down
"set foldmethod=syntax
" 2022-10-20 We're at vim 9. Let's try it agian
"set foldmethod=manual
set foldmethod=syntax
set foldlevelstart=99
let javaScript_fold = 1
let perl_fold = 1
let php_folding = 1
let r_syntax_folding = 1
let ruby_fold = 1
let sh_fold_enabled = 1
let vimsyn_folding = 'af'
let xml_syntax_folding = 1
""" Internationalization options
" Avoid VimR issue https://github.com/qvacua/vimr/issues/879
if !exists('g:gui_vimr')
language messages en_US.UTF-8 " Use English menus at all times
endif
""" Sessions
" Recommended https://github.com/rmagatti/auto-session#recommended-sessionoptions-config
set sessionoptions+=winpos,terminal,folds
""" Misc options
set keywordprg=man " Command when hitting K: default to man
set mouse=a " Enable the mouse where possible. (Great for Tagbar)
""" Terminal capabilities
" XXX As of 2022-11-16 and iTerm v3.4, all the terminal state switching is very buggy:
" I get inconsistent behavior when toggling "Report modifiers using CSI u", especially when
" running inside tmux. Sometimes restarting iTerm will change the behavior.
" Bottom line: can't use vim inside of tmux, let alone tmux within mosh.
" I have to rely on neovim and just have "CSI u" mode on.
" NOTE: must not be set this for neovim, as it will already automatically send the right sequences
" to the terminal to turn on "CSI u" mode.
if exists('g:tui_vim') && exists('g:use_extended_keys_in_terminal') && g:use_extended_keys_in_terminal
" Enable extended keys
if exists('$TMUX')
" tmux 3.3 only officially supports modifyOtherKeys=1, but does support some
" extended keys anyway:
" https://github.com/tmux/tmux/issues/3086#issuecomment-1050808319
" We use tmux 3.3's passthrough functionality to force modifyOtherKeys=2
" as tmux would otherwise downgrade to modifyOtherKeys=1
" XXX 2022-11-16 I can't get any of these to work reliably:
"let &t_TI = "\<Esc>Ptmux;\<Esc>\<Esc>[>4;2m\<Esc>\\"
"let &t_TI = "\<Esc>[>4;2m\<Esc>Ptmux;\<Esc>\<Esc>[>4;2m\<Esc>\\"
let &t_TI = "\<Esc>[>4;2m"
let &t_TE = "\<Esc>[>4;m"
else
let &t_TI = "\<Esc>[>4;2m"
let &t_TE = "\<Esc>[>4;m"
endif
endif
" Cursor shape in insert mode
let &t_SI = "\<Esc>]50;CursorShape=1\x7"
let &t_SR = "\<Esc>]50;CursorShape=2\x7"
let &t_EI = "\<Esc>]50;CursorShape=0\x7"
if exists('g:tui_nvim')
" 2022-10-26 Doesn't work for me in VimR and makes cursor disappear:
" https://github.com/qvacua/vimr/issues/738
set guicursor=n-v-c:block,i-ci-ve:ver25,r-cr:hor20,o:hor50
\,a:blinkwait700-blinkoff400-blinkon250-Cursor/lCursor
\,sm:block-blinkwait175-blinkoff150-blinkon175
endif