" 
" $File: .vimrc
" $Date: Tue Mar 02 19:58:10 2010 +0800
" $Author: Jiakai <gy_jk@126.com>
"
" a useful vimrc file
"

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

" Ensure all autocommands, functions and commands are included only once
if !exists("header_protecter")
	let header_protecter = 1

	" Automatically updates the time and date in the head of the file
	autocmd BufWritePre,FileWritePre *   ks|call LastMod()|'s
	fun LastMod()
		let l = line("$")
		if l > 10
			let l = 10
		endif
		execute '1,' . l . 'substitute/' . '^\(.*\$Date:\).*$' . '/\1 ' . strftime('%a %b %d %H:%M:%S %Y %z') . '/e'
		execute '1,' . l . 'substitute/' . '^\(.*\$File:\).*$' . '/\1 ' . expand('<afile>:t') . '/e'
	endfun

	" Enable file type detection.
	" Use the default filetype settings, so that mail gets 'tw' set to 72,
	" 'cindent' is on in C files, etc.
	" Also load indent files, to automatically do language-dependent indenting.
	filetype plugin indent on

	" For all text files set 'textwidth' to 78 characters.
	autocmd FileType text setlocal textwidth=78

	" When editing a file, always jump to the last known cursor position.
	" Don't do it when the position is invalid or when inside an event handler
	" (happens when dropping a file on gvim).
	autocmd BufReadPost *
				\ if line("'\"") > 0 && line("'\"") <= line("$") |
				\   exe "normal g`\"" |
				\ endif

	" set :make and some commands
	let &makeprg="g++ % -O2 -o %:r -Wall"

	fun Make_arg(arg, ...)
		let makeprg0 = &makeprg
		let &makeprg = a:arg
		for s in a:000
			let &makeprg .= " " . s
		endfor
		make
		let &makeprg = makeprg0
	endfun
	command -nargs=* Makegdb call Make_arg("g++ % -o %:r -ggdb -Wall", <f-args>)
	command -nargs=* Makepg call Make_arg("g++ % -o %:r -pg -Wall", <f-args>)
	command -nargs=* TryCompile call Make_arg("g++ % -o /tmp/vim_try_compile -Wall -c", <f-args>)

endif

" allow backspacing over everything in insert mode
set backspace=indent,eol,start
syntax on
" set autoindent        " always set autoindenting on
set smartindent
if has("vms")
	set nobackup        " do not keep a backup file, use versions instead
else
	set backup        " keep a backup file
endif
set history=50        " keep 50 lines of command line history
set ruler        " show the cursor position all the time
set showcmd        " display incomplete commands
set incsearch        " do incremental searching

set number
set shiftwidth=4
set softtabstop=4
set tabstop=4
set fileencodings=ucs-bom,utf-8,gb2312,gbk
set guifont=Monospace\ 16
set nobk

" Make p in Visual mode replace the selected text with the "" register.
vnoremap p :let current_reg = @"gvs=current_reg

" This is an alternative that also works in block mode, but the deleted
" text is lost and it only works for putting the current register.
"vnoremap p "_dp

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
	syntax on
	set hlsearch
endif

" vimgdb setting
run macros/gdb_mappings.vim 

" Show current date and time when pressing <F2>
map <F2> :!date <CR>