" vim configuration of Sebastian Reichel <sre@ring0.de>

set nocompatible					" vim native mode
syntax on							" enable syntax highlighting
colorscheme elektranox              " cool colors
set hlsearch						" highlight searched word
set number							" numberize lines
set ruler							" lower file
set nowrap							" do not wrap lines
set incsearch						" search while typing
set foldmethod=syntax				" automatic code-folding
set autoindent						" automatic indention
set noerrorbells visualbell t_vb=	" no audible bell
set mouse=a							" set mouse to auto
set ruler							" show cursor position all the time
set wildmode=longest,list			" setup wildmode
set showmatch						" show matching brackets
set encoding=utf-8					" UTF-8
set iskeyword-=_					" _ is a word delimiter
set autoread

" Configure the status line show something useful.
"set statusline=%F%m%r%h%w\ %y\ [%{&ff}]%=[%l,%v][%p%%]\ [%L]
"set laststatus=2    " Ensure status line is visible.

" Sane handling of whitespace.
set tabstop=4
set shiftwidth=4
set softtabstop=4

" The h and l keystrokes can be made to wrap over lines (so that trying to
" move left past the beginning of a line puts the cursor at the end of the
" line above). This command does that, and also allows ~ (convert case) to
" wrap over lines, and the cursor keys to wrap when in insert mode:
set whichwrap=h,l,~,[,]

" Get useful auto-completion in command mode.
set wildmenu
set wildmode=list:longest,full

" copy&paste via <F4>
nnoremap \tp :set invpaste paste?<CR>
nmap <F4> \tp
imap <F4> <C-O>\tp
set pastetoggle=<F4>

" clear search via <F5>
nnoremap \clearsearch :let @/ = ""<CR>
nmap <F5> \clearsearch
imap <F5> <C-O>\clearsearch

" compile latex/code via <F6>
nnoremap \make :!make<CR>
nmap <F6> \make
imap <F6> <C-O>\make

" add vala support
autocmd BufRead *.vala   set efm=%f:%l.%c-%[%^:]%#:\ %t%[%^:]%#:\ %m
autocmd BufRead *.vapi   set efm=%f:%l.%c-%[%^:]%#:\ %t%[%^:]%#:\ %m
autocmd BufRead *.gtkaml set efm=%f:%l.%c-%[%^:]%#:\ %t%[%^:]%#:\ %m
au BufRead,BufNewFile *.vala            setfiletype vala
au BufRead,BufNewFile *.vapi            setfiletype vala
au BufRead,BufNewFile *.gtkaml          setfiletype vala
let vala_comment_strings = 1
let vala_comment_ifdef = 1
"let vala_space_errors = 1

" add support for subtitle files
au BufNewFile,BufRead *.ssa setf ssa
au BufNewFile,BufRead *.ass setf ssa

" configure printing stuff
set pdev=Default											" printer device
set printoptions=paper:A4,syntax:n,wrap:y,duplex:long		" print options
set penc=utf-8												" print encoding
"set pfn=courier:h10										" print font
"set pheader=...											" print header

" set terminal title
if &term == "screen"
  set t_ts=k
  set t_fs=\
endif
if &term == "screen" || &term == "xterm"
  set title
endif

" Set a nicer foldtext function
set foldtext=MyFoldText()
function! MyFoldText()
	let line = getline(v:foldstart)
	if match( line, '^[ \t]*\(\/\*\|\/\/\)[*/\\]*[ \t]*$' ) == 0
		let initial = substitute( line, '^\([ \t]\)*\(\/\*\|\/\/\)\(.*\)', '\1\2', '' )
		let linenum = v:foldstart + 1
		while linenum < v:foldend
			let line = getline( linenum )
			let comment_content = substitute( line, '^\([ \t\/\*]*\)\(.*\)$', '\2', 'g' )
			if comment_content != ''
				break
			endif
			let linenum = linenum + 1
		endwhile
		let sub = initial . ' ' . comment_content
	else
		let sub = line
		let startbrace = substitute( line, '^.*{[ \t]*$', '{', 'g')
		if startbrace == '{'
			let line = getline(v:foldend)
			let endbrace = substitute( line, '^[ \t]*}\(.*\)$', '}', 'g')
			if endbrace == '}'
				let sub = sub.substitute( line, '^[ \t]*}\(.*\)$', '...}\1', 'g')
			endif
		endif
	endif
	let n = v:foldend - v:foldstart + 1
	let info = " " . n . " lines"
	let sub = sub . "                                                                                                                  "
	let num_w = getwinvar( 0, '&number' ) * getwinvar( 0, '&numberwidth' )
	let fold_w = getwinvar( 0, '&foldcolumn' )
	let sub = strpart( sub, 0, winwidth(0) - strlen( info ) - num_w - fold_w - 1 )
	return sub . info
endfunction

" enable plugins depending on filetype
filetype plugin on

" git branch in ruler
set rulerformat=%33(%{fugitive#statusline()}%=%10(%l,%c%V%=%5(%p%%%)%)%)

" copy & paste
vmap <C-c> y: call system("xclip -i -selection clipboard", getreg("\""))<CR>
nmap <C-v> :call setreg("\"",system("xclip -o -selection clipboard"))<CR>p