" vim:et:sw=2:ts=2
" Use Vim settings, rather than Vi settings, must be the first option
" for its side effects.
set nocompatible

" check for Byte-Order-Mark, then utf8, and finally assume latin1
set fileencodings=ucs-bom,utf-8,latin1
" force encoding when reading/writing with:
"   :e|w ++enc=encoding file

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

set nobackup	" do not keep a backup file
set backupcopy=auto,breakhardlink " break hardlinks on write
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 smartcase " ignore case when searching if search pattern contains lowercase
              " letters only
set incsearch	" do incremental searching
set nohlsearch	" don't highlight search matches
set showmatch	" jump to matching bracket when inserting one
set wildmenu	" tab completion shows options above command line
"
"disabled: let filetype define it
"set smartindent	" do smart autoindenting when starting a new line

syntax on	" switch syntax highlighting on

" Q, by default, switches to Ex mode; make it reformat the current paragraph
" instead (more useful)
map Q gqap

" Map F1 to the ESC key in insert mode, and Help otherwise
" together)
imap <esc>[11~ <esc>
map <esc>[11~ :h

" F7 macro for toggling between syntax on and off
map <F7> :if exists("syntax_on") <Bar>
	\   syntax off <Bar>
	\ else <Bar>
	\   syntax enable <Bar>
	\ endif <CR>

" make grep also work well with a single file
set grepprg=grep\ -nH\ $*

" syntax highlighting inside C comment strings
let c_comment_strings=1

" assume sh is bash
let g:is_bash=1

" for zenburn, assume running in a bright environment
"let g:zenburn_high_Contrast = 1

" In many terminal emulators the mouse works just fine, thus enable it.
" conflicts with c&p, disabled
"set mouse=a

" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
command! DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis
                \ | wincmd p | diffthis

" use cscope if available
if has("cscope") && filereadable("/usr/bin/cscope")
   set csprg=/usr/bin/cscope
   set csto=0
   set cst
   set nocsverb
   " add any database in current directory
   if filereadable("cscope.out")
      cs add cscope.out
   " else add database pointed to by environment
   elseif $CSCOPE_DB != ""
      cs add $CSCOPE_DB
   endif
   set csverb
endif

" Only do this part when compiled with support for autocommands.
if has("autocmd")

  " 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

  " prevent duplication of autocommands
  if !exists("autocommands_loaded")
    let autocommands_loaded = 1

    " 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

    " indent style used by subversion authors
    au BufNewFile,BufRead ~/work/subversion/**/*.[ch]
      \ setlocal  cinoptions={.5s,:.5s,+.5s,t0,g0,^-2,e-2,n-2,p2s,(0,=.5s
      \ formatoptions=croql cindent shiftwidth=4 tabstop=8

    au BufNewFile,BufRead *.comp
      \ setlocal  shiftwidth=4 tabstop=4 expandtab filetype=mason

    au BufNewFile,BufRead /**/apps/**/*.html
      \ setlocal  shiftwidth=4 tabstop=4 expandtab filetype=mason

    " indent style and file type for tests
    au BufNewFile,BufRead *.t
      \ setlocal  shiftwidth=4 tabstop=4 expandtab filetype=perl

    " indent style and file type for perl modules
    au BufNewFile,BufRead *.pm
      \ setlocal  shiftwidth=4 tabstop=4 expandtab filetype=perl

    " indent style and file type for perl scripts
    au BufNewFile,BufRead *.pl
      \ setlocal  shiftwidth=4 tabstop=4 expandtab filetype=perl

    " use git styles for git commit message
    au BufNewFile,BufRead COMMIT_EDITMSG set filetype=gitcommit

    " options for when composing mail in mutt
    au BufNewFile,BufRead /tmp/mutt*
      \ setlocal  shiftwidth=4 tabstop=4 expandtab spell filetype=mail

    " load personal commands for all files
    au BufEnter * runtime! my/*.vim

  endif
else " no autocmd

  set autoindent	"always set autoindenting on

endif " autocmd