vimrc

set nocompatible              " be iMproved, required. 避免兼容vi造成很多功能缺失
filetype plugin indent on
"set omnifunc=syntaxcomplete#Complete 
set mouse-=a
" the bg color of popups
" hi Pmenu ctermbg=gray

" vim-plug settings. -------------------------------------------{{{
call plug#begin('~/.vim/plugged')
" Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'
Plug 'scrooloose/nerdcommenter'
" Plug 'davidhalter/jedi-vim', {'for': 'python'}
"Plug 'brookhong/cscope.vim'
Plug 'vim-scripts/autoload_cscope.vim'
Plug 'godlygeek/tabular'
Plug 'plasticboy/vim-markdown', {'for': 'markdown'}
Plug 'vim-scripts/taglist.vim'
Plug 'vim-scripts/ifdef-highlighting', {'for': ['c', 'cpp']}
Plug 'psliwka/vim-smoothie'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'gko/vim-coloresque'
Plug 'AndrewRadev/linediff.vim'
Plug 'tpope/vim-surround'
Plug 'mihaifm/bufstop'
Plug 'rust-lang/rust.vim'
Plug 'kevinoid/vim-jsonc'
Plug 'preservim/nerdtree'
Plug 'majutsushi/tagbar'
Plug 'luochen1990/rainbow'
Plug 'sillybun/vim-repl'
Plug 'git@github.com:f-cg/runproject.vim.git', { 'branch': 'main' }
"color themes below
Plug 'morhetz/gruvbox'
Plug 'lifepillar/vim-gruvbox8'
Plug 'NLKNguyen/papercolor-theme'
Plug 'KeitaNakamura/neodark.vim'
Plug 'jnurmine/Zenburn'
Plug 'sickill/vim-sunburst'
call plug#end()
"----------------------}}}

" colorscheme zenburn

" Vimscript file settings ---------------------- {{{
augroup filetype_vim
    autocmd!
    autocmd FileType vim setlocal foldmethod=marker
augroup END
nnoremap <leader>ev :vsplit $MYVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>
"---------------}}}

" vim settings. -------------------------------------------- {{{
set nu
set hlsearch
set signcolumn=number
set shortmess-=S
"set laststatus=2
set autochdir
nnoremap <SPACE> <Nop>
let mapleader = "\<space>"
nnoremap <silent><expr> <F2> (&hls && v:hlsearch ? ':nohls' : ':set hls')."\n"
set dictionary+=/usr/share/dict/words
set dictionary+=~/.vim/dict.txt
"zR open all, zr open level, zM close all, zm close level
set foldmethod=indent
"set foldmethod=syntax
set foldlevelstart=9
augroup AutoSaveFolds
  autocmd!
  " view files are about 500 bytes
  " bufleave but not bufwinleave captures closing 2nd tab
  " nested is needed by bufwrite* (if triggered via other autocmd)
  autocmd BufWinLeave,BufLeave,BufWritePost ?* nested silent! mkview!
  autocmd BufWinEnter ?* silent! loadview
augroup end
"set cul " highlight current line
autocmd FileType json syntax match Comment +\/\/.\+$+
" jump between html tags
runtime macros/matchit.vim
"----------}}}
"switch buffers -----{{{
nnoremap <leader>b :Bufstop<cr>
" tab width
autocmd Filetype markdown setlocal tabstop=4 shiftwidth=4 expandtab
autocmd Filetype html setlocal tabstop=4 shiftwidth=4 expandtab
autocmd Filetype htmldjango setlocal tabstop=4 shiftwidth=4 expandtab
"------------}}}

"vim run file actions ----------{{{
nmap <F5> :call RunProject()<CR>
"------------}}}
" Mark settings. (this is a plugin)------------------{{{
nmap ,m <Plug>MarkSet
vmap ,m <Plug>MarkSet
nmap ,r <Plug>MarkRegex
vmap ,r <Plug>MarkRegex
nmap ,n <Plug>MarkClear
"--------------}}}

" rainbow settings. ------------------{{{
let g:rainbow_active = 0 "0 if you want to enable it later via :RainbowToggle
let g:rainbow_conf = {
\	'guifgs': ['royalblue3', 'darkorange3', 'seagreen3', 'firebrick'],
\	'ctermfgs': ['lightblue', 'lightcyan', 'lightmagenta'],
\	'operators': '_,_',
\	'parentheses': ['start=/(/ end=/)/ fold', 'start=/\[/ end=/\]/ fold', 'start=/{/ end=/}/ fold'],
\	'separately': {
\		'*': {},
\		'tex': {
\			'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/'],
\		},
\		'lisp': {
\			'guifgs': ['royalblue3', 'darkorange3', 'seagreen3', 'firebrick', 'darkorchid3'],
\		},
\		'vim': {
\			'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/', 'start=/{/ end=/}/ fold', 'start=/(/ end=/)/ containedin=vimFuncBody', 'start=/\[/ end=/\]/ containedin=vimFuncBody', 'start=/{/ end=/}/ fold containedin=vimFuncBody'],
\		},
\		'html': {
\			'parentheses': ['start=/\v\<((area|base|br|col|embed|hr|img|input|keygen|link|menuitem|meta|param|source|track|wbr)[ >])@!\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'|[^ '."'".'"><=`]*))?)*\>/ end=#</\z1># fold'],
\		},
\		'css': 0,
\	}
\}
"--------------}}}
" taglist settings. -------------------------------------------- {{{
let Tlist_Ctags_Cmd='ctags' "放在环境变量里，可直接执行
let Tlist_Use_Right_Window=0 "窗口显示在右边，0则在左边
let Tlist_Show_One_File=0 "让taglist可以同时展示buffer里所有文件的函数列表,使用:TlistAddFiles /myprojectpath/*/*.c添加
let Tlist_File_Fold_Auto_Close=1 "非当前文件，函数列表折叠隐藏
let Tlist_Exit_OnlyWindow=1 "当taglist是最后一个分割窗口时，自动推出vim
"是否一直处理tags.1:处理;0:不处理
let Tlist_Process_File_Always=1 "实时更新tags
let Tlist_Inc_Winwidth=0
"---------------}}}

nmap <C-w>m :NERDTreeToggle<cr>

nmap <C-w>t :TagbarToggle<CR>

"autoload-cscope settings.-------------------------------------{{{
"-- autoload_cscope has the following keymaps"
" <C-\>s :cs find s 同时按住ctrl和\，然后松开按s
" refer :help cscope_find for more
"-------------}}}

" Highlight debug blocks in c/cpp code. -------------------------------------------- {{{
" move cursor to the macro and type ,a
" see https://vim.fandom.com/wiki/Highlight_debug_blocks_in_programs
syn region MySkip contained start="^\s*#\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*#\s*endif\>" contains=MySkip

let g:CommentDefines = ""

hi link MyCommentOut2 MyCommentOut
hi link MySkip MyCommentOut
hi link MyCommentOut Comment

map <silent> ,a :call AddCommentDefine()<CR>
map <silent> ,x :call ClearCommentDefine()<CR>

function! AddCommentDefine()
  let g:CommentDefines = "\\(" . expand("<cword>") . "\\)"
  syn clear MyCommentOut
  syn clear MyCommentOut2
  exe 'syn region MyCommentOut start="^\s*#\s*ifdef\s\+' . g:CommentDefines . '\>" end=".\|$" contains=MyCommentOut2'
  exe 'syn region MyCommentOut2 contained start="' . g:CommentDefines . '" end="^\s*#\s*\(endif\>\|else\>\|elif\>\)" contains=MySkip'
endfunction

function! ClearCommentDefine()
  let g:ClearCommentDefine = ""
  syn clear MyCommentOut
  syn clear MyCommentOut2
endfunction
"-------------}}}

" nerdcommenter settings. -------------------------------------------- {{{
nmap <C-_>   <Plug>NERDCommenterToggle
vmap <C-_>   <Plug>NERDCommenterToggle<CR>gv
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDDefaultAlign = 'left'

" Set a language to use its alternate delimiters by default
let g:NERDAltDelims_java = 1

" Add your own custom formats or override the defaults
let g:NERDCustomDelimiters = { 'c': { 'left': '/**','right': '*/' } }

" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1

" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1

" Enable NERDCommenterToggle to check all selected lines is commented or not
let g:NERDToggleCheckAllLines = 1
"-----------}}}

"coc settings.--------------------------------------------------------{{{
"coc static display settings-----------{{{
" if hidden is not set, TextEdit might fail.
set hidden
let g:jedi#completions_enabled = 0

" Some servers have issues with backup files, see #649
set nobackup
set nowritebackup

"Better display for messages
set cmdheight=2

" You will have bad experience for diagnostic messages when it's default 4000.
set updatetime=300

" don't give |ins-completion-menu| messages.
set shortmess+=c
" Add status line support, for integration with other plugin, checkout `:h coc-status`
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
"-----------}}}
"coc action settings--------------{{{

" Remap keys for gotos
nmap <silent> <leader>d <Plug>(coc-definition)
nmap <silent> <leader>t <Plug>(coc-type-definition)
nmap <silent> <leader>i <Plug>(coc-implementation)
nmap <silent> <leader>g <Plug>(coc-references)

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

nnoremap <silent> K :call <SID>show_documentation()<CR>
nnoremap <silent> <F8> :call CocAction('format')<CR>
nmap <silent> <C-k> <Plug>(coc-diagnostic-prev)
nmap <silent> <C-j> <Plug>(coc-diagnostic-next)
nmap <buffer> <silent> <leader>h :call CocActionAsync('highlight')<CR>

" Highlight symbol under cursor on CursorHold
"autocmd CursorHold * silent call CocActionAsync('highlight')

" Remap for rename current word
nmap <leader>r <Plug>(coc-rename)

" Remap for format selected region
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
xmap <leader>as  <Plug>(coc-codeaction-selected)
nmap <leader>as  <Plug>(coc-codeaction-selected)

" Remap for do codeAction of current line
nmap <leader>ac  <Plug>(coc-codeaction)
" Fix autofix problem of current line
" nmap <leader>qf  <Plug>(coc-fix-current)
nmap <leader>qf :CocFix<cr>

" Create mappings for function text object, requires document symbols feature of languageserver.
xmap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap if <Plug>(coc-funcobj-i)
omap af <Plug>(coc-funcobj-a)

" Use <TAB> for select selections ranges, needs server support, like: coc-tsserver, coc-python
nmap <silent> <TAB> <Plug>(coc-range-select)
xmap <silent> <TAB> <Plug>(coc-range-select)

" Use `:Format` to format current buffer
command! -nargs=0 Format :call CocAction('format')

" Use `:Fold` to fold current buffer
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" use `:OR` for organize import of current buffer
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
"----------}}}
" Using CocList----------{{{
" Show all diagnostics
nnoremap <silent> ,a  :<C-u>CocList diagnostics<cr>
" Manage extensions
nnoremap <silent> ,e  :<C-u>CocList extensions<cr>
" Show commands
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>
"------------}}}
" popup scroll--------------------------{{{
function ScrollPopUp(down)
let winlist = popup_list()
if len(winlist) == 0
return 0
endif
let winid = winlist[0]
let pp = popup_getpos(winid)
call popup_setoptions( winid, {'firstline' : pp.firstline + ( a:down ? 1 : -1 ) } )
return 1
endfunction
" use <c-u> <c-d> to navigate on document popups
" use <c-p> <c-n> to navigate on completion options
nnoremap <expr> <c-d> ScrollPopUp(1) ? '<esc>' : '<c-d>'
nnoremap <expr> <c-u> ScrollPopUp(0) ? '<esc>' : '<c-u>'
inoremap <expr> <c-d> ScrollPopUp(1) ? '' : '<c-d>'
inoremap <expr> <c-u> ScrollPopUp(0) ? '' : '<c-u>'
"---------------}}}
"-------------------------------}}}

"theme actions-------------------------------------{{{
function! ChooseTheme()
        let themes=["default", "gruvbox", "gruvbox8", "PaperColor", "neodark", "gruvbox8_soft", "gruvbox8_hard", "zenburn", "Sunburst"]
        let choices=GetConfirmChoicesString(themes)
        let choice=confirm("Which theme?", choices, 0)
        if choice==0
                return
        else
            execute "colorscheme ".themes[choice-1]
        endif
endfunction
function! ToggleDark()
        if &background=="light"
                set background=dark
        else
                set background=light
        endif
endfunction
nnoremap <leader>zt :call ChooseTheme()<CR>
nnoremap <leader>zd :call ToggleDark()<CR>
"------------}}}