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" if without, nvim with no file will give error because it's not defined?
let fenc_bef = 0
" https://github.com/junegunn/vim-plug
call plug#begin()
" https://github.com/junegunn/fzf.vim#commands
" seems only need junegunn/fzf.vim, no need junegunn/fzf if already installed fzf with pacman
"Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
"Plug 'junegunn/fzf.vim'
"Plug 'vim-perl/vim-perl', { 'for': 'perl', 'do': 'make clean carp dancer highlight-all-pragmas moose test-more try-tiny' }
if has('nvim') && executable('firefox')
Plug 'glacambre/firenvim', { 'do': { _ -> firenvim#install(0) } }
endif
" tinted-theming/base16-vim has low contrast on fold title make it unreadable, but I customized it easily
" chriskempson/base16-vim doesn't do bold/italic for markdown syntax, and not maintained
" RRethy/base16-nvim does not highlight markdown codeblocks
" tinted-theming/base16-vim and RRethy/base16-nvim seem both work, both support tree-sitter
Plug 'tinted-theming/base16-vim'
" nvim-treesitter seems support markdown highlight now, run `:TSEnable highlight`, more see vc notes
" but very slow when editing large markdown files so I sitll don't enable it, maybe related:
" https://github.com/nvim-treesitter/nvim-treesitter/issues/2206
"Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'} " We recommend updating the parsers on update
" use latest vim-markdown
"Plug 'tpope/vim-markdown'
" alternatives: h-hg/fcitx.nvim, rlue/vim-barbaric, lilydjwg/fcitx.vim
if executable('fcitx5')
Plug 'rlue/vim-barbaric'
endif
" alternatives: 'thinca/vim-ref' with 'eiiches/vim-ref-info', 'HiPhish/info.vim', 'alx741/vinfo'
Plug 'https://gitlab.com/HiPhish/info.vim.git'
" :h hexmode
" other related doc: :h hex-editing, :h 23.3, :h edit-binary
if executable('xxd')
Plug 'fidian/hexmode'
endif
call plug#end()
" next line must put below `Plug 'glacambre/firenvim'`, else if click github issue textarea, then click elsewhere, then click textarea, textarea will not be selected (no cursor in it), not sure why
let g:firenvim_config = { 'localSettings': { '.*': { 'takeover': 'never' } } }
let g:infoprg = '/usr/bin/info'
" I use only one return for better readability
function! Autocmd_set_fenc() abort
" need to test &modifiable for gO
if &modifiable && (&fileencoding != "utf-8")
let l:fenc_bef = &fileencoding
setlocal fileencoding=utf-8
unsilent echom ":w to rewrite as utf-8"
return l:fenc_bef
else
return &fileencoding
endif
endfunction
function! Md_toggle_fold() abort
" &markdown_folding won't work because markdown_folding is not an option
" two ways to check if g:markdown_folding variable exists and is true:
" more see https://stackoverflow.com/q/15864164/9008720
"if exists('g:markdown_folding') && g:markdown_folding
if get(g:, 'markdown_folding')
let g:markdown_folding=0
" :e
e
else
let g:markdown_folding=1
e
endif
endfunction
" not fully understood augroup, recommanded in :help
" https://www.youtube.com/watch?v=dBBUOO1PRIU
augroup mycmd
autocmd!
" disable auto line break (tc) and insert comment (cro)
autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o formatoptions-=t
" auto rewrite as utf-8 if not when :w
" if use FileType *, nvim can't recognize some file extensions, ex: .csv
autocmd BufRead * let fenc_bef = Autocmd_set_fenc()
" similar to filetype.vim code, use setfiletype
" .csx seems not c# but c# script file, this works tho
" set syntax=cs also works
autocmd BufNewFile,BufRead *.csx setfiletype cs
" https://stackoverflow.com/q/28310094 multi filetypes
" for alerting me plain text email characters per line
" neomutt auto set new email filetype as mail so this will work
" /usr/share/nvim/runtime/ftplugin/mail.vim default textwidth 72
" https://stackoverflow.com/q/2290016 suggest gitcommit main body should be about 72
" https://useplaintext.email/ suggest 72
" https://mailformat.dan.info/body/linelength.html suggested 65
"" https://superuser.com/q/827647/1282809
" https://lkml.org shows Linus seems use 70
" https://lkml.org Hottest messages shows people use around 70-80
" https://en.wikipedia.org/wiki/Characters_per_line
" related: textwidth
" if want to do this only for some file extensions, see:
"" https://stackoverflow.com/a/469576/9008720
"" don't forget to put in augroup:
"" https://stackoverflow.com/a/60470085/9008720
"" also other ways:
"" https://stackoverflow.com/q/158968/9008720
" or use setlocal cc=
autocmd FileType mail,gitcommit setlocal colorcolumn=72
" open file readonly if it already been open
" nvim seems change default from '' to 'e', but I prefer 'o'
" :h w325 e325 SwapExists swapchoice default-autocmds
" https://vi.stackexchange.com/questions/21784/vim-edit-anyway-without-prompting
" https://github.com/neovim/neovim/pull/25336
" https://github.com/neovim/neovim/commit/29fe883aa9166bdbcae3f935523c75a8aa56fe45
" remove nvim_swapfile autocmd is more correct, without also works but I think it change to 'e' then to 'o' which is not ideal, also it will echo "W325: ..." which is not what I want
autocmd! nvim_swapfile
autocmd SwapExists * let v:swapchoice = 'o'
augroup END
" :h markdown, for vim default tpope/vim-markdown
" enable markdown fold will make opening large files slower, so I don't enable it
"let g:markdown_folding = 1
" g:markdown_minlines before nvim 0.8, 500 works well; version 0.8 makes even 400 noticeable slow when keep pressing gk
let g:markdown_minlines = 350
"let g:markdown_fenced_languages = ['python', 'sh', 'vim', 'c', 'cpp']
" :h hexmode, fidian/hexmode plugin
" imagemagick .gray file format
let g:hexmode_patterns = '*.gray'
map <leader>h :Hexmode<CR>
"let g:hexmode_xxd_options = '-c 32'
" netrw-p preview vertial split
let g:netrw_preview = 1
let g:netrw_winsize = 20
" seems needs this for autocmd FileType * to work?
filetype plugin on
" fold is slow and buggy, at least for different kinds of vim-markdown, disable it, not sure if works or not
"set nofoldenable
language en_US
set number relativenumber
" need next line for base16 colorscheme to work?
set termguicolors
colorscheme base16-tomorrow-night
" set dir to current editing file's dir
set autochdir
" Spaces & Tabs
set tabstop=4 " number of visual spaces per TAB
set softtabstop=4 " number of spaces in tab when editing
set shiftwidth=4 " number of spaces to use for autoindent
"set expandtab " tabs are space
" https://www.zhihu.com/question/22363620/answer/21199296
" euc-cn=gb2312, cp936=gbk
" it is recommended by `:h fileencodings` to put ucs-bom at first and latin1 at last
" based on my experience, if put utf-16 in front of euc-cn, euc-cn will have mojibake
" based on my experience, if put big5 in front of euc-cn and cp936, euc-cn will have mojibake
" according to zhihu comment, if put gb18030 in front of big5 , big5 will have mojibake
" according to wikipedia articles, euc-cn is preceded by cp936 which is preceded by gb18030, gb18030 is backward compatible with cp936 which seems is backward compatible with euc-cn
set fileencodings=ucs-bom,utf-8,euc-cn,cp936,big5,gb18030,utf-16,latin1
" seems is default to neovim but not vim
set encoding=utf-8
" some file on win10 display as unix but is dos
if has('win32')
set fileformats=dos
" windows 10 bug, need this to change cursor back to vertical bar after leaving neovim
" the number after ver seems no effects, maybe because neovim is exited
" https://github.com/alacritty/alacritty/issues/2839#issuecomment-766421840
" use of ! after autocmd see youtube video above, not fully understood
autocmd! VimLeave * set guicursor=a:ver25
endif
" if don't want to generate swap file
"set noswapfile
" nvim backup file defualt off, see `:h nobackup` `:set backup?`
" nvim undo file default off, see `:h noundofile` `:set undofile?`
" gg=G work for .xml files now,:h matchit-activate
" https://stackoverflow.com/questions/21408222/vim-indent-xml-file/28365920#28365920
packadd! matchit
" search case sensitive only if have uppercase
set ignorecase
set smartcase
" disable mouse support
" :h disable-mouse
set mouse=
" map ctrl+h/j/k/l to move between split windows
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l
" moving in long line
"nnoremap k gk
"nnoremap j gj
nnoremap o o<Esc>
nnoremap O O<Esc>
" maybe useful if use mapleader in the future: https://www.slant.co/topics/7423/~which-key-works-best-as-vim-leader
" for searching command in manpages
map <leader>- /^ *-
map <leader>* /\*\*.*\*\*<CR>
" toggle markdown folding and re-edit current file
map <leader>m :call Md_toggle_fold()<CR>
" default statusline:set statusline=%<%f\ %h%m%r%=%-14.(%l,%c%V%)\ %P
set statusline+=%<
set statusline+=%f " %F or 1CTRL+G to show full path
set statusline+=\ %m
set statusline+=%=
" https://stackoverflow.com/questions/5375240/a-more-useful-statusline-in-vim#comment84812779_10416234
" :h eol-and-eof
" show if there's newline at end of file
set statusline+=%{&eol?'':'noeol'}
set statusline+=\ %y
"set statusline+=\ %{&fileencoding?&fileencoding:&encoding}
" below line doesn't work as expected, not sure why
"set statusline+=\ %{fenc_bef?fenc_bef:&fileencoding}
set statusline+=\ %{fenc_bef}
set statusline+=\ \[%{&fileformat}\]
set statusline+=\ %-10.(%l,%c%V%)
set statusline+=\ %P
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