[Linux][vim] vimrc

" vim common cmd
" ci[   delete character between [] and enter insert mode.
" ci(   delete character between () and enter insert mode.
" ci{   delete character between {}and enter insert mode.
" ci<   delete character between <> and enter insert mode.
" note: ci-->ca, it will delete [],(),{},<>.
"       if you just want to select the character, use ci-->vi instead.
"
" gg=G  format the code.


"global function
function! GetSys()
    if has("win16") || has("win32") || has("win64") || has("win95")
        return "windows"
    elseif has("unix")
        return "linux"
    endif
endfunction



" for taglist
""""""""""""""""""""""""""""""""""""""""""
":Tlist open taglist
":TlistToggle open taglist
let Tlist_Ctags_Cmd='/usr/bin/ctags'
let Tlist_Exit_OnlyWindow=1
let Tlist_Use_Right_Window=1
set tags+=/usr/include/tags
set tags+=/usr/local/include/tags
set tags+=/root/unpv13e/tags
set tags+=/root/NetVol1/working-branch/tags
set tags+=/root/git/JCL/branches/working-branch/tags
nnoremap <silent><F4> :TlistToggle<CR>
map <C-F12> :!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR>
map <F12> :!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR>
if exists("tags")
    set tags+=./tags
endif


"title
""""""""""""""""""""""""""""""""""""""""""
set title
set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:~:.:h\")})%)%(\ %a%)
set titlestring=%F

"status bar
""""""""""""""""""""""""""""""""""""""""""
set laststatus=2 "(default is 1, will not display status bar. set to 2 will display status bar)
"set statusline=\ %<%F[%1*%M%*%n%R%H]%=\ %y\ %0(%{&fileformat}\ %{&encoding}\ %c:%l/%L%)\
set statusline=
set statusline+=%-3.3n\                             "buffer number
set statusline+=%f\                                 "filename
set statusline+=%h%m%r%w                            "status flags
set statusline+=\[%{strlen(&ft)?&ft:'none'}]        "filetype
set statusline+=%=                                  "right align remainder
set statusline+=0x%-8B                              "character value
set statusline+=%-14(%l,%c%V%)                      "line, character
set statusline+=%<%P                                "file position

"cmd bar
""""""""""""""""""""""""""""""""""""""""""
set showcmd     " Show (partial) command in status line.
set showmode
set cmdheight=1


"fold
""""""""""""""""""""""""""""""""""""""""""
set foldenable
set foldmethod=syntax    "index, expr, marker, syntax, diff
"set foldclose=all
" use space to folden, zo:open the fold, zc:fold.
nnoremap <space> @=((foldclosed(line( '.' ))<0) ? 'zc' : 'zo')<CR>
set foldopen-=search  "don't open folds when I search
set foldopen-=undo    "don't open folds when I undo
set foldlevel=100    "don't folds when I open the file
"set foldcolumn=1   "set the fold column width


"Linebreak on 500 characters
""""""""""""""""""""""""""""""""""""""""""
set tw=500
set lbr
set fo+=mB  "support for chinese.


"common
""""""""""""""""""""""""""""""""""""""""""
if has("syntax")
    syntax enable
    syntax on
endif

if has('mouse')
    set mouse=a     " Enable mouse usage (all modes)
endif

filetype plugin on
filetype indent on

set autoread    "set to auto read when a file is changed from the outside.
set ambiwidth=double    "for some unicode special character.
set whichwrap=b,s,<,>,[,]
set nocompatible    "close vi compatible mode
set backspace=indent,eol,start
set history=100
set cursorline  "current line will have a underline.
set hlsearch        " hight light search
set number
set ruler   "display cursor position in the right corner of the vim window
set magic   "set magic on, for regular expression
set noautochdir
set nocompatible    " Use Vim defaults
set ignorecase      " ignore case
set incsearch       " display when you still typing
set wrapscan      " stop the scan at the end of file
set wrap
set hidden
set vb t_vb=    "close the voice when cmd error.

" Show autocomplete menus.
set wildmenu

" Minimal number of screen lines to keep above and below the cursor.
"set scrolloff=999

"map
""""""""""""""""""""""""""""""""""""""""""
"Command    Normal  Visual  OperatorPending InsertOnly  CommandLine
":map       y       y       y
":nmap      y
":vmap              y
":omap                      y
":map!                                      y           y
":imap                                      y
":cmap                                                  y
""""""""""""""""""""""""""""""""""""""""""
":h key-notation to see vim help document.
":map to list all key map.
"<Esc> stand for Escape
"<CR> stand for Enter
"<Space> <Tab>
"<C-Esc> stand for Ctrl-Esc
"<C-G> stand for Ctrl-G
"<C-LeftMouse> Ctrl+mouse left clicked.
"<S-F1> stand for Shift-F1
"<M-key> or <A-key> stand for Alt
""""""""""""""""""""""""""""""""""""""""""
"<F1>, <F11> can't be use
"<F1> is the ubuntu help dialog.
"<F11> is the ubuntu console maximum

"set mapleader
let mapleader=","   "mapleader default is '/', <leader> is mapleader.
let g:mapleader=","

"use ,s to source .vimrc
map <silent> <leader>s :source ~/.vimrc<CR>

"use ,e to open .vimrc
map <silent> <leader>e :e ~/.vimrc<CR>

"auto source .vimrc after edit .vimrc
autocmd! bufwritepost .vimrc source ~/.vimrc

"use , to remove highlight search
nmap <silent> <leader><CR> :noh<CR>
nmap <leader>w :w!<cr>


nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l
map <leader>v :vsplit<CR>

map <C-A> ggvGY
map! <C-A> <Esc>ggvGY

map <F2> <Esc>:tabnew<CR>
map <C-P> :tabprev<CR>
map <C-N> :tabnext<CR>
map <C-C> :tabclose<CR>

"nnoremap <F3> :g/^\s*$/d<CR> "this will delete all blank line in file.
"map <C-H> :hide<CR>
"map <C-J> :tn<CR>
"map <C-K> :tp<CR>
"map <C-L> :cd .<CR>

map \p i(<Esc>ea)<Esc>
map \c i{<Esc>ea}<Esc>
map \n :nohlsearch<CR>

nmap <F3> a<C-R>=strftime("%Y-%m-%d %a %I:%M %p")<CR><Esc>
imap <F3> <C-R>=strftime("%Y-%m-%d %a %I:%M %p")<CR><Esc>

map <F5> :set ts=4<CR>:set expandtab<CR>:%retab!<CR>
map <C-F5> :set ts=4<CR>:set noexpandtab<CR>:%retab!<CR>
"if no !, just replace first TAB of each line.

map <F7> ggO/*<CR><Esc>0d$I * Copyright(c) 2016 ShaXian MDGSF.<CR><Esc>0d$I *<CR><Esc>0d$I * Authored by MDGSF on:<Esc>:read !date <CR>kJ$a<CR><Esc>0d$I *<CR><Esc>0d$I * @desc:<CR><Esc>0d$I *<CR><Esc>0d$I * @history:<CR><Esc>0d$I */<Esc>

map <F8> O/*<CR><Esc>0d$I * Copyright(c) 2016 ShaXian MDGSF.<CR><Esc>0d$I * Authored by MDGSF on:<Esc>:read !date <CR>kJ$a<CR><Esc>0d$I * Function:<CR><Esc>0d$I * @param<CR><Esc>0d$I * @return:<CR><Esc>0d$I */<Esc>


"indent
""""""""""""""""""""""""""""""""""""""""""
"set expandtab  "tab will auto changed to blank space, (Ctrl+V+tab will input real tab), Makefile command need tab.
set smartindent " (set si)
set smarttab
set tabstop=4    " tab stop (set ts=4)
set shiftwidth=4    " shift width
set softtabstop=4
set autoindent  " auto indent (set ai)
set wrap    "Wrap lines

"auto complete
":inoremap ( ()<Esc>i
":inoremap ) <c-r>=ClosePair(')')<CR>
":inoremap { {}<Esc>i
":inoremap } <c-r>=ClosePair('}')<CR>
":inoremap [ []<Esc>i
":inoremap ] <c-r>=ClosePair(']')<CR>
":inoremap " ""<Esc>i
":inoremap ' ''<Esc>i
"function! ClosePair(char)
"   if getline('.')[col('.') - 1] == a:char
"       return "\<Right>"
"   else
"       return a:char
"   endif
"endfunction
"
""open cpp and text at the same time,
""{ will not like you want.
""for c/c++
"function! InitC()
"   set cindent
"   set cino=:0g0t0(sus
"   inoremap { {<CR>}<Esc>ko
"endfunction
"autocmd! Filetype c,cpp,h,hpp :call InitC()
"au! BufNewFile,BufRead c,cpp,h,hpp :call InitC()

"for text
autocmd! FileType text :call InitText()
function! InitText()
    setlocal textwidth=78
    "inoremap { {}<Esc>i
endfunction

"for html
au FileType html setlocal autoindent indentexpr=


""""""""""""""""""""""""""""""""""""""""""
" BufExplorer
""""""""""""""""""""""""""""""""""""""""""
",bv
let g:bufExplorerDefaultHelp=0
let g:bufExplorerShowRelativePath=1
let g:bufExplorerSortBy="mru"
let g:bufExplorerSplitRight=0
let g:bufExplorerSplitVertical=1
let g:bufExplorerSplitVertSize=30
let g:bufExplorerUseCurrentWindow=1
autocmd BufWinEnter \[Buf\ List\] setl nonumber



""""""""""""""""""""""""""""""""""""""""""
" Nerd tree
""""""""""""""""""""""""""""""""""""""""""
map <F10> :NERDTreeToggle<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif



""""""""""""""""""""""""""""""""""""""""""
" a.vim
""""""""""""""""""""""""""""""""""""""""""
":A switches to the header file corresponding to the current file being edited (or vise versa)
":AS splits and switches
":AV vertical splits and switches
":AT new tab and switches
":AN cycles through matches
":IH switches to file under cursor
":IHS splits and switches
":IHV vertical splits and switches
":IHT new tab and switches
":IHN cycles through matches
"<Leader>ih switches to file under cursor
"<Leader>is switches to the alternate file of file under cursor (e.g. on  <foo.h> switches to foo.cpp)
"<Leader>ihn cycles through matches
nnoremap ;z :A<CR>



"for windows and gui
if (has("win32"))
    if (has("gui_running"))
        set guifont=Bitstream_Vera_Sans_Mono:h9:cANSI
        set guifontwide=NSimSun:h9:cGB2312

        "hide gui
        "set guioptions-=m  "remove menu bar
        set guioptions-=T  "remove tool bar
        set guioptions-=r  "remove right-hand scroll bar
        set guioptions-=l  "remove left-hand scroll bar
        set guioptions-=L  "remove left-hand scroll bar even if there is a vertical split
        set guioptions-=b  "remove bottom scroll bar
    endif
else
    if (has("gui_running"))
        set guifont=Bitstream\ Vera\ Sans\ Mono\ 9
    endif
endif


if GetSys() == "windows"
    set fileencodings=ucs-bom,utf-8,cp936,gb18030,big5
    set encoding=utf-8
    set langmenu=zh_CN.UTF-8
    language message zh_CN.UTF-8

    set nowrap
    colo torte
endif

function! ToggleSyntax()
    if(exists("g:syntax_on"))
        syntax off
    else
        syntax enable
    endif
endfunction
nmap <silent> ;s :call ToggleSyntax()<CR>

function! CapitalizeCenterAndMoveDown()
    s/\<./\u&/g
    center
    +1
endfunction
nmap <silent> ;c :call CapitalizeCenterAndMoveDown()<CR>

function! CurrentLineLength()
    let len = strlen(getline("."))
    return len
endfunction


""""""""""""""""""""""""""""""""""""""""""
":help vim-script-intro
":help keycodes
":help functions
":help function-list
"let count = 1
"let s:count = 1    s: means count is a local variable.