my_configs.vim

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Vundle: vim plugin manager
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let s:my_plugins_path = expand('<sfile>:p:h') . '/my_plugins'
call vundle#begin(s:my_plugins_path)
Plugin 'VundleVim/Vundle.vim'
Plugin 'ervandew/supertab'
" Plugin 'davidhalter/jedi-vim'
Plugin 'easymotion/vim-easymotion'
Plugin 'nathanaelkane/vim-indent-guides'
Plugin 'octol/vim-cpp-enhanced-highlight'
Plugin 'tpope/vim-obsession'
Plugin 'vim-scripts/ReplaceWithRegister'
" Plugin 'Valloric/YouCompleteMe'
" Plugin 'scrooloose/nerdtree'                " file/directory tree
" Plugin 'tomasr/molokai'
" Plugin 'morhetz/gruvbox'
" Plugin 'Lokaltog/vim-powerline'
" Plugin 'fholgado/minibufexpl.vim'
Plugin 'vim-scripts/LargeFile'
call vundle#end()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 让vimrc配置变更立即生效
" autocmd BufWritePost $MYVIMRC source $MYVIMRC
" 关闭兼容模式
set nocompatible
" vim 自身命令行模式智能补全
set wildmenu

"=============================
" => 自定义常用快捷键
"=============================
" 快速连按两次<Leader>键，等价于<ESC>
inoremap <Leader><Leader> <ESC>
" 定义快捷键保存当前窗口内容
nmap <Leader>w :w<CR>
" :W 表示用 sudo 保存，具体配置见 basic.vim
" 在结对符之间跳转 记忆：match
nmap <Leader>m %
" 高亮显示匹配的括号
set showmatch
" 去除空行
nnoremap <F2> :g/^\s*$/d<CR>


"=============================
" => 鼠标
"=============================
" 可以在任何地方使用鼠标
set mouse=a
set selection=exclusive
set selectmode=mouse,key


"=============================
" => Tab页, Buffer, Window
"=============================
" => Buffer
" 垂直(线)分屏打开buffer
:cnoremap vb vertical rightbelow sb

" => Window
nmap <Leader>q :q<CR>
" 保存所有窗口内容，并退出 vim
nmap <Leader>wq :wa<CR>:q<CR>
nmap <Leader>Q :qa!<CR>
" 依次遍历子窗口 记忆：next window
nnoremap nw <C-W><C-W>
nnoremap <Leader>h <C-W>h
nnoremap <Leader>j <C-W>j
nnoremap <Leader>k <C-W>k
nnoremap <Leader>l <C-W>l


"=============================
" => 显示：布局、高亮
"=============================
" 禁止光标闪烁
set gcr=a:block-blinkon0
" 显示光标当前位置
set ruler

" 折行
set wrap  " 当一行在屏幕上显示不下时，换行显示

" 禁止显示滚动条
set guioptions-=l
set guioptions-=L
set guioptions-=r
set guioptions=R
" 禁止显示菜单和工具条
set guioptions-=m
set guioptions-=T
" 总是显示状态栏
set laststatus=2
" 开启行号显示
set number
" 设置相对行号
set rnu

" 高亮显示当前行/列
set cursorline
set cursorcolumn

" 开启语法高亮功能
syntax enable
" 允许用指定语法高亮配色方案替换默认方案
syntax on


"=============================
" => 显示：主题、字体
"=============================
"set term=xterm
set t_Co=256
set background=dark
colorscheme gruvbox
" colorscheme solarized
" colorscheme molokai
" colorscheme peaksea
" let g:solarized_termtrans=1
" let g:solarized_termcolors=256
if has('gui_running')
        set background=light
    else
        set background=dark
endif
call togglebg#map("<F5>")

" 设置 gvim 显示字体
"set guifont=YaHei\ Consolas\ Hybrid\ 11.5
set guifont=Ubuntu\ Mono\ Regular\ 13


"=============================
" => 编码
"=============================
" Vim 中文本的默认编码
set encoding=utf-8
" 打开文件时，会逐个尝试以下编码
set fileencodings=utf-8,gbk,big5,cp936,gb18030,gb2312,utf-16
set termencoding=utf-8
" 东亚地区易混淆字符的宽度
set ambiwidth=double


"=============================
" => 空格和制表符
"=============================
" 将制表符扩展为空格
set expandtab
" 设置编辑时制表符占用空格数
set tabstop=4
" 设置格式化时制表符占用空格数
set shiftwidth=4
" 让 vim 把连续数量的空格视为一个制表符
set softtabstop=4


"=============================
" => 复制粘贴
"=============================
" set backspace=2
set pastetoggle=<F3>
" 设置快捷键将选中文本块复制至系统剪贴板
vnoremap <Leader>y "+y
" 设置快捷键将系统剪贴板内容粘贴至 vim
nmap <Leader>p "+p


"=============================
" => 搜索替换
"=============================
" 开启实时搜索功能
set incsearch
" 搜索时大小写不敏感
set ignorecase
" 高亮显示搜索结果
set hlsearch
" 用 // 搜索 选中的文本
vnoremap // y/\V<C-R>=escape(@",'/\')<CR><CR>
" 用 Ctrl-r 搜索并替换(y确认, n跳过, a全部确认)选中的文本
vnoremap <C-r> "hy:%s/<C-r>h//gc<left><left><left>


"=============================
" => 代码折叠
"=============================
"set foldmethod=indent
set foldmethod=syntax
set foldnestmax=6
" 启动 vim 时关闭折叠代码
set nofoldenable


"=============================
" => 缩进快捷键
"=============================
nnoremap <Tab> >>_
nnoremap <S-Tab> <<_
vnoremap <Tab> >
vnoremap <S-Tab> <
" Ref: https://vim.fandom.com/wiki/Shifting_blocks_visually#Mappings


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 各种插件配置
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"=============================
" => Plugin: vim-indent-guides
"=============================
" 随 vim 自启动
let g:indent_guides_enable_on_vim_startup=1
" 从第二层开始可视化显示缩进
let g:indent_guides_start_level=2
" 色块宽度
let g:indent_guides_guide_size=1
" 快捷键 <leader>i 开/关缩进可视化
:nmap <silent> <Leader>i <Plug>IndentGuidesToggle


"=============================
" => Plugin: easymotion-vim
"=============================
" 以下配置参考了 GitHub 仓库首页说明
let g:EasyMotion_do_mapping = 0 " Disable default mappings
map <Leader><Leader>w <Plug>(easymotion-w)
map <Leader><Leader>b <Plug>(easymotion-b)
" Jump to anywhere you want with minimal keystrokes, with just one key binding.
" `s{char}{label}`
nmap s <Plug>(easymotion-overwin-f)
" or
" `空格{char}{char}{label}` 通过两个字符快速定位到目标位置
" Need one more keystroke, but on average, it may be more comfortable.
nmap <Space> <Plug>(easymotion-overwin-f2)
" Turn on case-insensitive feature
let g:EasyMotion_smartcase = 1  " 大小写不敏感
" JK motions: 快速行移动 Line motions
map <Leader><Leader>j <Plug>(easymotion-j)
map <Leader><Leader>k <Plug>(easymotion-k)


"=============================
" => Plugin: NERDTree
"=============================
" 使用 NERDTree 插件查看工程文件。设置快捷键，速记：file list
nmap <Leader>fl :NERDTreeToggle<CR>
" 设置NERDTree子窗口宽度, default is 31
let NERDTreeWinSize=30
" 设置NERDTree子窗口位置
let NERDTreeWinPos="right"
let NERDTreeChDirMode=1
"显示书签"
let NERDTreeShowBookmarks=1
"设置忽略文件类型"
let NERDTreeIgnore=['\~$', '\.pyc$', '\.swp$']
" 显示隐藏文件
let NERDTreeShowHidden=1
" NERDTree 子窗口中不显示冗余帮助信息，但会同时屏蔽掉目录：.. (up a dir)
" let NERDTreeMinimalUI=1
" 最小化菜单：变成一行，不需要再滚动选择
let NERDTreeMinimalMenu=1
" 删除文件时自动删除文件对应 buffer
let NERDTreeAutoDeleteBuffer=1
" 启动vim且只是进入某个目录(没有打开文件),则自动打开NERDTree
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif


"=============================
" => Plugin: ALE
"=============================
" 所有的 linter 和 fixer，都需要先安装了才能使用，ALE 只是 LSP client
" Linting:
let g:ale_lint_on_enter = 1
let g:ale_sign_error = '✗'
let g:ale_sign_warning = '⚠️'
let g:ale_sign_column_always = 1
let g:ale_linters = {
    \   'python': ['pyright', 'jedils'],
    \   'cpp': ['gcc', 'ccls', 'cppcheck'],
    \}
nmap <silent> <Leader>a <Plug>(ale_next_wrap)

" Fixing:
let g:ale_fixers = {
    \   'javascript': ['eslint'],
    \   'python': ['yapf'],
    \   '*': ['remove_trailing_lines', 'trim_whitespace'],
    \}
let g:ale_fix_on_save = 0

" Completion:
let g:ale_completion_enabled = 1
let g:ale_completion_autoimport = 1
" imap <Leader><Space> <Plug>(ale_complete)

" Rename:
nmap <Leader>r :ALERename<Return>

" Go To Definition:
nmap gd <Plug>(ale_go_to_definition)

" Find References:
nmap <silent> <leader>n :ALEFindReferences -relative<Return>

" Hovering:
nmap <silent> K :ALEHover<Return>


"=============================
" => Plugin: lightline-ale
"=============================
let g:lightline.component_expand = {
    \   'linter_checking': 'lightline#ale#checking',
    \   'linter_infos': 'lightline#ale#infos',
    \   'linter_warnings': 'lightline#ale#warnings',
    \   'linter_errors': 'lightline#ale#errors',
    \   'linter_ok': 'lightline#ale#ok',
    \}

let g:lightline.component_type = {
    \   'linter_checking': 'right',
    \   'linter_infos': 'right',
    \   'linter_warnings': 'warning',
    \   'linter_errors': 'error',
    \   'linter_ok': 'right',
    \}

let g:lightline.active = {
        \ 'right': [ [ 'lineinfo' ],
	    \            [ 'percent' ],
	    \            [ 'filetype', 'fileencoding'],
        \            [ 'linter_checking', 'linter_errors', 'linter_warnings', 'linter_infos', 'linter_ok' ]
        \          ]}


"=============================
" => Other Plugins
"=============================
" let g:jedi#completions_command = "<Leader><Space>"
let g:snipMate = { 'snippet_version' : 1 }
nnoremap <silent> <leader>z :Goyo<cr>
" for big File more than 1MB, turn off syntax highlighting
let g:LargeFile = 1


"=============================
" => Plugin: MiniBufExplorer
"=============================
" " 显示/隐藏 MiniBufExplorer 窗口
" map <Leader>bl :MBEToggle<cr>
" " buffer 切换快捷键
" map <C-Tab> :MBEbn<cr>
" map <C-S-Tab> :MBEbp<cr>

" " 设置环境保存项
" set sessionoptions="blank,buffers,globals,localoptions,tabpages,sesdir,folds,help,options,resize,winpos,winsize"
" " 保存 undo 历史
" set undodir=~/.undo_history/
" set undofile
" " 保存快捷键
" map <leader>ss :mksession! my.vim<cr> :wviminfo! my.viminfo<cr>
" " 恢复快捷键
" map <leader>rs :source my.vim<cr> :rviminfo my.viminfo<cr>

" supertab
" let g:SuperTabMappingForward = '<nul>'
" let g:SuperTabMappingBackward = '<s-nul>'
" let g:SuperTabMappingForward = '<s-tab>'
" let g:SuperTabMappingBackward = '<tab>'


"=============================
" => Plugin: YCM
"=============================
""" 菜单
"highlight Pmenu ctermfg=2 ctermbg=3 guifg=#005f87 guibg=#EEE8D5
" 选中项
"highlight PmenuSel ctermfg=2 ctermbg=3 guifg=#AFD700 guibg=#106900
"let g:ycm_global_ycm_extra_conf='~/.vim/bundle/YouCompleteMe/.ycm_extra_conf.py'
"" 允许 vim 加载 .ycm_extra_conf.py 文件，不再提示
"let g:ycm_confirm_extra_conf=0
"set completeopt=longest,menu
""python解释器路径"
"let g:ycm_path_to_python_interpreter='/usr/bin/python3'
""是否开启语义补全"
"let g:ycm_seed_identifiers_with_syntax=1
""是否在注释中也开启补全"
"let g:ycm_complete_in_comments=1
"" 在字符串输入中也能补全
"let g:ycm_complete_in_strings = 1
"let g:ycm_collect_identifiers_from_comments_and_strings = 0
"" 从第二个键入字符才开始罗列匹配项
"let g:ycm_min_num_of_chars_for_completion=2
""补全后自动关闭预览窗口"
"let g:ycm_autoclose_preview_window_after_completion=1
"" 禁止缓存匹配项，每次都重新生成匹配项
"let g:ycm_cache_omnifunc=0
""离开插入模式后自动关闭预览窗口"
"autocmd InsertLeave * if pumvisible() == 0|pclose|endif
""回车即选中当前项"
"inoremap <expr> <CR>       pumvisible() ? '<C-y>' : '\<CR>'
""上下左右键行为"
"inoremap <expr> <Down>     pumvisible() ? '\<C-n>' : '\<Down>'
"inoremap <expr> <Up>       pumvisible() ? '\<C-p>' : '\<Up>'
"inoremap <expr> <PageDown> pumvisible() ? '\<PageDown>\<C-p>\<C-n>' : '\<PageDown>'
"inoremap <expr> <PageUp>   pumvisible() ? '\<PageUp>\<C-p>\<C-n>' : '\<PageUp>'
""" 开启 YCM 标签补全引擎
""let g:ycm_collect_identifiers_from_tags_files=1
""" 引入 C++ 标准库tags
""set tags+=/data/misc/software/misc./vim/stdcpp.tags
""" YCM 集成 OmniCppComplete 补全引擎，设置其快捷键
""inoremap <leader>; <C-x><C-o>
""" 补全内容不以分割子窗口形式出现，只显示补全列表
""set completeopt-=preview
""" 语法关键字补全
""let g:ycm_seed_identifiers_with_syntax=1
""" 禁止使用
""let g:ycm_key_list_select_completion = ['<TAB>']
""let g:ycm_key_list_previous_completion = ['<S-TAB>']
""" let g:ycm_key_list_stop_completion = ['<C-y>']
""" Default: ['<C-y>'] 取消自动补全的默认快捷键
"nnoremap <C-J> :YcmCompleter GoToDefinitionElseDeclaration<CR>|     " 跳转到定义处
"<<< -------------------- 结束 YCM 配置 ------------------------------


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Miscellaneous
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"=============================
" => Filetype
"=============================
" 开启文件类型侦测
" filetype on
" 根据侦测到的不同类型加载对应的插件
filetype plugin on
" 自适应不同语言的智能缩进
filetype indent on

" => Filetype: Python
let python_highlight_all=1
au Filetype python set tabstop=4  " au[tocmd]: meaning defining autocommands
au Filetype python set softtabstop=4  " au [group] {event} {file pattern} [nested] {cmd}
au Filetype python set shiftwidth=4
"au Filetype python set textwidth=79
au Filetype python set expandtab
au Filetype python set autoindent
au Filetype python set fileformat=unix
autocmd Filetype python set foldmethod=indent
autocmd Filetype python set foldlevel=99


"=============================
" => Helper functions
"=============================
" 将外部命令 wmctrl 控制窗口最大化的命令行参数封装成一个 vim 的函数
fun! ToggleFullscreen()
	call system("wmctrl -ir " . v:windowid . " -b toggle,fullscreen")
endf
" 全屏开/关快捷键
map <silent> <F11> :call ToggleFullscreen()<CR>
" 启动 vim 时自动全屏
"autocmd VimEnter * call ToggleFullscreen()


"=============================
" => 文件开头模板
"=============================
"新建.c,.h,.sh,.java文件，自动插入文件头
autocmd BufNewFile *.cpp,*.[ch],*.sh,*.java,*.py exec ":call SetTitle()"
""定义函数SetTitle，自动插入文件头
function! SetTitle()
    "如果文件类型为.sh文件
    if &filetype == 'sh'
        call setline(1,"\#########################################################################")
        call append(line("."), "\#!/bin/bash")
        call append(line(".")+1, "\# Author: WangGengxin")
        call append(line(".")+2, "\# Mail: wanggengxin@joyy.com")
        call append(line(".")+3, "\# Created Time: ".strftime("%Y-%m-%d",localtime()))
        call append(line(".")+4, "\#########################################################################")
        call append(line(".")+5, "")
    elseif &filetype == 'cpp'
        call append(line(".")+5, "#include <iostream>")
        call append(line(".")+6, "using namespace std;")
        call append(line(".")+7, "")
    elseif &filetype == 'c'
        call append(line(".")+5, "#include<stdio.h>")
        call append(line(".")+6, "")
    elseif &filetype == 'python'
        call setline(1, "#-*- coding: utf-8 -*-")
        call append(line("."),"")
        call append(line(".")+1, "\# Author: WangGengxin")
        call append(line(".")+2, "\# mail: wanggengxin@joyy.com")
        call append(line(".")+3, "\# Created Time: ".strftime("%Y-%m-%d",localtime()))
        call append(line(".")+4, "")
    else
        call setline(1, "/*************************************************************************")
        call append(line("."), "    > Author: WangGengxin")
        call append(line(".")+1, "    > Mail: wanggengxin@joyy.com")
        call append(line(".")+2, "    > Created Time: ".strftime("%Y-%m-%d",localtime()))
        call append(line(".")+3, " ************************************************************************/")
        call append(line(".")+4, "")
    endif
    "新建文件后，自动定位到文件末尾
    autocmd BufNewFile * normal G
endfunction