vimrc

set nocompatible              " required
set noshowmode
filetype off                  " required

" set the runtime path to include vim-plug and initialize
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin()
Plug 'wakatime/vim-wakatime'
"IndentLine
Plug 'severij/vadelma'
Plug 'Yggdroot/indentLine'

"Display function signatures from completions in the command line
Plug 'Shougo/echodoc.vim'

"LeaderF
Plug 'Yggdroot/LeaderF', { 'do': ':LeaderfInstallCExtension' }

"Enhanced highlight
Plug 'octol/vim-cpp-enhanced-highlight'

"Enhanced keybinds
Plug 'tpope/vim-unimpaired'

"New objects
"di, 或 ci, 一次性删除/改写当前参数
"ii 和 ai ：缩进对象，同一个缩进层次的代码，可以用 vii 选中，dii / cii 删除或改写
"if 和 af ：函数对象，可以用 vif / dif / cif 来选中/删除/改写函数的内容
Plug 'kana/vim-textobj-user'
Plug 'kana/vim-textobj-indent'
Plug 'kana/vim-textobj-syntax'
Plug 'kana/vim-textobj-function', { 'for':['c', 'cpp', 'vim', 'java'] }
Plug 'sgur/vim-textobj-parameter'

"Vim-Signify
":SignifyDiff compare previous and current code splitly
Plug 'mhinz/vim-signify'

"SimpyFold
Plug 'tmhedberg/SimpylFold'

"Color Schemes
Plug 'sainnhe/sonokai'
Plug 'sainnhe/everforest'
Plug 'sonph/onehalf', {'rtp': 'vim'}
Plug 'jnurmine/Zenburn'
Plug 'altercation/vim-colors-solarized'
Plug 'joshdick/onedark.vim'
"Polyglot: A collection of language packs for Vim -- used for syntax
Plug 'sheerun/vim-polyglot'

"Airline: status bar with multi themes
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

"Let VIM check your syntax on each save
Plug 'vim-syntastic/syntastic'

"PEP 8 checking
Plug 'nvie/vim-flake8'

"File Tree
Plug 'preservim/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'ryanoasis/vim-devicons'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
Plug 'PhilRunninger/nerdtree-buffer-ops'
Plug 'PhilRunninger/nerdtree-visual-selection'
"Tabs
Plug 'jistr/vim-nerdtree-tabs'
"hide .pyc files"
"ignore files in NERDTree
"Search basically anything by pressing ^P

"ctags and gutentags
"^] open definition in current tab
"^W ] open definition in new tab
"^W } open definition in preview split
Plug 'universal-ctags/ctags'
Plug 'ludovicchabant/vim-gutentags'

"AsyncRun 
Plug 'skywind3000/asyncrun.vim'

"CodeAnalysis
Plug 'dense-analysis/ale'

"Ycm
"Plug 'ycm-core/YouCompleteMe'
"Coc autocompile
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'puremourning/vimspector'

call plug#end()            " required

set timeout ttimeoutlen=50

au BufNewFile,BufRead *.py
    \ set tabstop=4|
    \ set softtabstop=4|
    \ set shiftwidth=4|
    \ set textwidth=79|
    \ set expandtab|
    \ set autoindent|
    \ set fileformat=unix

au BufNewFile,BufRead *.c, *.cpp
    \ set tabstop=4|
    \ set softtabstop=4|
    \ set shiftwidth=4|
    \ set textwidth=128|
    \ set expandtab|
    \ set autoindent|
    \ set fileformat=unix

au BufNewFile,BufRead *.js, *.html, *.css
    \ set tabstop=2|
    \ set softtabstop=2|
    \ set shiftwidth=2

filetype plugin indent on    " required

let NERDTreeIgnore=['\.pyc$', '\~$'] 
" Enable folding
set foldmethod=indent
set foldlevel=99

" Enable folding with the spacebar
nnoremap <space> za

"au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/

set encoding=utf-8

"python with virtualenv support
"py << EOF
"import os
"import sys
"if 'VIRTUAL_ENV' in os.environ:
"  project_base_dir = os.environ['VIRTUAL_ENV']
"  activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
"  execfile(activate_this, dict(__file__=activate_this))
"EOF

"code highlight
let python_highlight_all=1
syntax on

if has('gui_running')
  set background=light
  colorscheme sonokai
  set guifont="JetBrains Mono NL Medium":h13
  "Press F5 can switch between dark and light theme
else
  set t_Co=256
  set background=light
  set cursorline
"  colorscheme everforest
  colorscheme onehalfdark

  let g:everforest_background = 'hard'
  let g:airline_theme='sonokai'
" lightline
" let g:lightline = { 'colorscheme' : 'onedark' }
endif
" TrueColor
if exists('+termguicolors')
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  set termguicolors
endif
"Airline Statusbar Setting
"       96%   1165 
if !exists('g:airline_symbols')
let g:airline_symbols = {}
endif
let g:airline_left_sep=''
let g:airline_right_sep=''
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_splits = 0
let g:airline#extensions#tabline#show_buffers = 1
let g:airline#extensions#tabline#show_tab_count = 0
let g:airline#extensions#tabline#exclude_preview = 0
let g:airline#extensions#tabline#tab_nr_type = 1
let g:airline#extensions#tabline#show_tab_nr = 1
let g:airline#extensions#tabline#left_sep = ''
"let g:airline#extensions#tabline#left_alt_sep = ''
let g:airline#extensions#tabline#left_alt_sep = ''
let g:airlint_powerline_fonts = 0
let g:airline_symbols.linenr = ' '
let g:airline_symbols.maxlinenr = ' '
let g:airline_symbols.colnr = ': '
let g:airline_symbols.branch = ''
let g:airline#extensions#tabline#buffer_idx_mode = 1
 nmap <leader>1 <Plug>AirlineSelectTab1
 nmap <leader>2 <Plug>AirlineSelectTab2
 nmap <leader>3 <Plug>AirlineSelectTab3
 nmap <leader>4 <Plug>AirlineSelectTab4
 nmap <leader>5 <Plug>AirlineSelectTab5
 nmap <leader>6 <Plug>AirlineSelectTab6
 nmap <leader>7 <Plug>AirlineSelectTab7
 nmap <leader>8 <Plug>AirlineSelectTab8
 nmap <leader>9 <Plug>AirlineSelectTab9
 nmap <leader>0 <Plug>AirlineSelectTab0
 nmap <leader>- <Plug>AirlineSelectPrevTab
 nmap <leader>+ <Plug>AirlineSelectNextTab
let g:airline#extensions#tabline#keymap_ignored_filetypes =
        \ ['vimfiler', 'nerdtree']
let g:airline#extensions#tabline#buffer_nr_show = 1
let g:airline#extensions#tabline#formatter = 'unique_tail_improved'
let g:airline#extensions#tabline#buffer_min_count = 2
let g:airline#extensions#tabline#show_close_button = 0
let g:airline#extensions#tabline#close_symbol = 'X'
let airline#extensions#tabline#ignore_bufadd_pat =
             \ '\c\vgundo|undotree|vimfiler|tagbar|nerd_tree'
"let g:airline#extensions#ycm#enabled = 1
"let g:airline#extensions#ycm#error_symbol = 'E:'
"let g:airline#extensions#ycm#warning_symbol = 'W:'
let g:airline#extensions#coc#enabled = 1

"Line Numbering
set nu

au BufNewFile,BufRead *.markdown,*.mdown,*.mkd,*.mkdn,*.mdwn,*.md  set ft=markdown

nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>

set showcmd

" Start NERDTree, unless a file or session is specified, eg. vim -S session_file.vim.
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists('s:std_in') && v:this_session == '' | NERDTree | endif

" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

" If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
autocmd BufEnter * if bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif

let NERDTreeHijackNetrw=1

"open split below and on right
set splitbelow
set splitright

"browse split windows easier
nnoremap <C-j> <C-w><C-j>
nnoremap <C-k> <C-w><C-k>
nnoremap <C-h> <C-w><C-h>
nnoremap <C-l> <C-w><C-l>

set tabstop=4
set shiftwidth=4
set expandtab

set autochdir

set clipboard=unnamed

"configure ctags
set tags=./.tags;,.tags

" gutentags 搜索工程目录的标志，碰到这些文件/目录名就停止向上一级目录递归
let g:gutentags_project_root = ['.root', '.svn', '.git', '.hg', '.project']

" 所生成的数据文件的名称
let g:gutentags_ctags_tagfile = '.tags'

" 将自动生成的 tags 文件全部放入 ~/.cache/tags 目录中，避免污染工程目录
let s:vim_tags = expand('~/.cache/tags')
let g:gutentags_cache_dir = s:vim_tags

" 配置 ctags 的参数
let g:gutentags_ctags_extra_args = ['--fields=+niazS', '--extra=+q']
let g:gutentags_ctags_extra_args += ['--c++-kinds=+px']
let g:gutentags_ctags_extra_args += ['--c-kinds=+px']

" 检测 ~/.cache/tags 不存在就新建
if !isdirectory(s:vim_tags)
   silent! call mkdir(s:vim_tags, 'p')
endif

"configure AsyncRun
" 自动打开 quickfix window ，高度为 6
let g:asyncrun_open = 12
" 任务结束时候响铃提醒
let g:asyncrun_bell = 1
" 设置 F10 打开/关闭 Quickfix 窗口
nnoremap <F6> :call asyncrun#quickfix_toggle(6)<cr>
"F9 compile single file
nnoremap <silent> <F9> :AsyncRun gcc -Wall -g "$(VIM_FILEPATH)" -o "$(VIM_FILEDIR)/$(VIM_FILENOEXT)" -lstdc++ -lm -DDEBUG <cr>
"nnoremap <silent> <F9> :AsyncRun clangd --log=info "$(VIM_FILEPATH)" -o "$(VIM_FILEDIR)/$(VIM_FILENOEXT)" <cr>
"F5 Run single file
nnoremap <silent> <F5> :AsyncRun -mode=term -pos=bottom -rows=10 -raw -cwd="$(VIM_FILEDIR)" "$(VIM_FILEDIR)/$(VIM_FILENOEXT)" <cr>
nnoremap <silent> <F10> :AsyncRun -pos=bottom -rows=10 -raw -cwd="$(VIM_FILEDIR)" "$(VIM_FILEDIR)/$(VIM_FILENOEXT)" < "$(VIM_FILEDIR)/data.in" <cr>
"nnoremap <silent> <F5> :AsyncRun gdb "$(VIM_FILEDIR)/$(VIM_FILENOEXT)" <cr>
"search for project root dir
let g:asyncrun_rootmarks = ['.svn', '.git', '.root', '_darcs', 'build.xml'] 
"compile the project
"nnoremap <silent> <F7> :AsyncRun -cwd=<root> make <cr>
"run the project
"nnoremap <silent> <F8> :AsyncRun -cwd=<root> -raw make run <cr>
"test the project
"nnoremap <silent> <F6> :AsyncRun -cwd=<root> -raw make test <cr>
"CMAKE update Makefile
"nnoremap <silent> <F4> :AsyncRun -cwd=<root> cmake . <cr>

"Code Analysis
let g:ale_linters_explicit = 1
let g:ale_completion_delay = 500
let g:ale_echo_delay = 20
let g:ale_lint_delay = 500
let g:ale_echo_msg_format = '[%linter%] %code: %%s'
let g:ale_lint_on_text_changed = 'normal'
let g:ale_lint_on_insert_leave = 1
let g:airline#extensions#ale#enabled = 1

let g:ale_c_gcc_options = '-Wall -O2 -std=c99'
let g:ale_cpp_gcc_options = '-Wall -O2 -std=c++14'
let g:ale_c_cppcheck_options = ''
let g:ale_cpp_cppcheck_options = ''

let g:ale_sign_error = "\ue009\ue009"
hi! clear SpellBad
hi! clear SpellCap
hi! clear SpellRare
hi! SpellBad gui=undercurl guisp=red
hi! SpellCap gui=undercurl guisp=blue
hi! SpellRare gui=undercurl guisp=magenta

"LeaderF
let g:Lf_ShortcutF = '<c-p>'
let g:Lf_ShortcutB = '<m-n>'
noremap <c-n> :LeaderfMru<cr>
noremap <m-p> :LeaderfFunction!<cr>
noremap <m-n> :LeaderfBuffer<cr>
noremap <m-m> :LeaderfTag<cr>
let g:Lf_StlSeparator = { 'left': '', 'right': '', 'font': '' }

let g:Lf_RootMarkers = ['.project', '.root', '.svn', '.git']
let g:Lf_WorkingDirectoryMode = 'Ac'
let g:Lf_WindowHeight = 0.30
let g:Lf_CacheDirectory = expand('~/.vim/cache')
let g:Lf_ShowRelativePath = 0
let g:Lf_HideHelp = 1
let g:Lf_StlColorscheme = 'powerline'
let g:Lf_PreviewResult = {'Function':0, 'BufTag':0}

"enable <m-
"let c='a'
"while c <= 'z'
"  exec "set <A-".c.">=\e".c
"  exec "imap \e".c." <A-".c.">"
"  let c = nr2char(1+char2nr(c))
"endw