set number
set relativenumber
set nocompatible
set showmode
set showcmd
set encoding=utf-8
set tabstop=4
set shiftwidth=4
set expandtab
set softtabstop=4
set wrap
set linebreak
set showmatch
set hlsearch
set incsearch
set ignorecase
set undofile
set backupdir=~/.vim/.backup//
set directory=~/.vim/.swp//
set undodir=~/.vim/.undo//
"set autochdir
set noerrorbells
set history=100
set autoread
set wildmenu
set wildmode=longest:list,full
set cul
cabbrev E Explore
set laststatus=2      " 总是显示状态栏
highlight StatusLine cterm=bold ctermfg=black ctermbg=red
set statusline=%F
set autoindent

"最大化
function! Zoom ()
    " check if is the zoomed state (tabnumber > 1 && window == 1)
    if tabpagenr('$') > 1 && tabpagewinnr(tabpagenr(), '$') == 1
        let l:cur_winview = winsaveview()
        let l:cur_bufname = bufname('')
        tabclose

        " restore the view
        if l:cur_bufname == bufname('')
            call winrestview(cur_winview)
        endif
    else
        tab split
    endif
endfunction

nmap <leader>z :call Zoom()<CR>

" Specify a directory for plugins
" - For Neovim: stdpath('data') . '/plugged'
" - Avoid using standard Vim directory names like 'plugin'
call plug#begin(stdpath('data') . '/plugged')

"=======================================
"Plug 'autozimu/LanguageClient-neovim', {
"    \ 'branch': 'next',
"    \ 'do': 'bash install.sh',
"    \ }
"
"" (Optional) Multi-entry selection UI.
"Plug 'junegunn/fzf'
"Plug 'roxma/LanguageServer-php-neovim', {'do': 'composer install && composer run-script parse-stubs'}
"
"autocmd FileType php LanguageClientStart
"let g:LanguageClient_waitOutputTimeout = 120
"
"nnoremap <silent> gd :call LanguageClient#textDocument_definition()<CR>
"
"nnoremap gr :call LanguageClient_textDocument_references()

Plug 'whatot/gtags-cscope.vim'
Plug 'vim-scripts/gtags.vim'
set cscopetag " 使用 cscope 作为 tags 命令
set cscopeprg='gtags-cscope' " 使用 gtags-cscope 代替 cscope

"gtags.vim 设置项
let GtagsCscope_Auto_Load = 1
let CtagsCscope_Auto_Map = 1
let GtagsCscope_Quiet = 1
let Gtags_No_Auto_Jump = 1
let Gtags_Close_When_Single = 1
nmap <C-\> :GtagsCursor<CR>


" Use release branch (recommend)
Plug 'neoclide/coc.nvim', {'branch': 'release'}
"======================================

" Initialize plugin system
call plug#end()

"=============coc配置
if executable('intelephense')
  augroup LspPHPIntelephense
    au!
    au User lsp_setup call lsp#register_server({
        \ 'name': 'intelephense',
        \ 'cmd': {server_info->[&shell, &shellcmdflag, 'intelephense --stdio']},
        \ 'whitelist': ['php'],
        \ 'initialization_options': {'storagePath': '/tmp/intelephense'},
        \ 'workspace_config': {
        \   'intelephense': {
        \     'files': {
        \       'maxSize': 1000000,
        \       'associations': ['*.php', '*.phtml'],
        \       'exclude': [],
        \     },
        \     'completion': {
        \       'insertUseDeclaration': v:true,
        \       'fullyQualifyGlobalConstantsAndFunctions': v:false,
        \       'triggerParameterHints': v:true,
        \       'maxItems': 100,
        \     },
        \     'format': {
        \       'enable': v:true
        \     },
        \   },
        \ }
        \})
  augroup END
endif

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()

" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current
" position. Coc only does snippet and additional edit on confirm.
" <cr> could be remapped by other vim plugin, try `:verbose imap <CR>`.
if exists('*complete_info')
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
endif

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
"nmap <silent> gd <Plug>(coc-definition)
"nmap <silent> gy <Plug>(coc-type-definition)
"nmap <silent> gi <Plug>(coc-implementation)
"nmap <silent> gr <Plug>(coc-references)
nmap <silent> <C-w>gd :call CocAction('jumpDefinition', 'split')<cr>
nmap <silent> <C-w>gy :call CocAction('jumpTypeDefinition', 'split')<cr>
nmap <silent> <C-w>gi :call CocAction('jumpImplementation', 'split')<cr>
nmap <silent> <C-w>gr :call CocAction('jumpReferences', 'split')<cr>
function! s:goto_tag(tagkind) abort
  let tagname = expand('<cWORD>')
  let winnr = winnr()
  let pos = getcurpos()
  let pos[0] = bufnr()

  if CocAction('jump' . a:tagkind)
    call settagstack(winnr, {
      \ 'curidx': gettagstack()['curidx'],
      \ 'items': [{'tagname': tagname, 'from': pos}]
      \ }, 't')
  endif
endfunction
nmap gd :call <SID>goto_tag("Definition")<CR>
nmap gi :call <SID>goto_tag("Implementation")<CR>
nmap gy :call <SID>goto_tag("TypeDefinition")<CR>
nmap gr :call <SID>goto_tag("References")<CR>

"let g:coc_user_config = {}
"let g:coc_user_config['coc.preferences.jumpCommand'] = 'split'

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

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

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
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

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current line.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Introduce function text object
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
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 selections ranges.
" NOTE: Requires 'textDocument/selectionRange' support from the language server.
" coc-tsserver, coc-python are the examples of servers that support it.
"nmap <silent> <TAB> <Plug>(coc-range-select)
"xmap <silent> <TAB> <Plug>(coc-range-select)

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

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

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support.
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings using CoCList:
" Show all diagnostics.
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent> <space>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>

colorscheme my