scripts/vim/vimrc

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"   Behaviour.
"

" All our scripts and files are here.
if filereadable(expand("~/devel/scripts/vim/vimrc"))
    set runtimepath+=~/devel/scripts/vim
endif

" Set 'nocompatible' to ward off unexpected things that your distro might
" have made, as well as sanely reset options when re-sourcing .vimrc
set nocompatible
" Line ending is UNIX.
set fileformat=unix
" Swap files go here.
"set directory="~/tmp,." console version complains all the time.
" Don't backup files.
set nobackup
"set backupdir="~/tmp,." git commit doesn't work.
" Try to set up UTF-8 encoding.
if has("multi_byte")
  if &termencoding == ""
    let &termencoding = &encoding
  endif
  set encoding=utf-8
  setglobal fileencoding=utf-8
  "setglobal bomb
  set fileencodings=ucs-bom,utf-8,latin1
endif
" Make tabes to be equal to 4 space chars.
set tabstop=4
" Number of spaces a <Tab> counts. If different from tabstop a combination of
" tabs and spaces will be inserted.
set softtabstop=4
" For indentation shift by 4 chars.
set shiftwidth=4
" When on <Tab> insert shiftwidth space in front of line. When off <Tab> inserts
" blanks according to softtabstop. 
set smarttab
" Don't expand tabs.
set noexpandtab 
if has('autocmd')
    "   Unset expandtab for make files in any case.
    autocmd FileType make setlocal noexpandtab
    "   Set expandtab for python files in any case.
    autocmd FileType python setlocal expandtab
endif
" Attempt to determine the type of a file based on its name and possibly its
" contents. Use this to allow intelligent auto-indenting for each filetype,
" and for plugins that are filetype specific.
filetype indent plugin on
" When opening a new line and no filetype-specific indenting is enabled, keep
" the same indent as the line you're currently on. Useful for READMEs, etc.
set autoindent
" Allow backspacing over autoindent, line breaks and start of insert action
set backspace=indent,eol,start
" Stop certain movements from always going to the first character of a line.
" While this behaviour deviates from that of Vi, it does what most users
" coming from other editors would expect.
set nostartofline
" Try to not cross 80 char boundary.
set textwidth=80

" Existing long lines are not broken.
set formatoptions+=l
" Auto-wrap comments using textwidth.
set formatoptions=cq
" Insert comment leader if <Enter> is hit in insert mode or 'o' in Normal mode.
set formatoptions+=ro
"set formatoptions-=o " don't autoformat on 'o' e.g. comment wrapping

"
"   C++ oriented.
"
"do not auto insert single line comments
set comments-=://
" Auto-insert multi-line comment continuations
set comments+=f://
" Do not indent after namespace XX{
set cino+=N-s
" Match open-bracket indentation when breaking parameter lists over multiple
" lines.
set cino+=(0






set viminfo='20,\"50    " read/write a .viminfo file, don't store more
" than 50 lines of registers
let g:netrw_preview = 1 " netrw open window to the right
let g:netrw_browse_split = 3 " open in a tab


set ttyfast "tf "smooths redraw by using more bandwidth
"set sessionoptions-=options
"show shortmessages
"set shortmess+=atIW
" Set timeout for detecting command key sequence
set timeoutlen=400

"set autoread "update file modified outside of vim

" Quickly time out on keycodes, but never time out on mappings
set notimeout ttimeout ttimeoutlen=200
" Use <F11> to toggle between 'paste' and 'nopaste'
"set pastetoggle=<F11>

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"   Display
"

" wrap text at window edge without modifying buffer
set nowrap
" Scroll this much chars when scrolled horizontally.
set sidescroll=1
" break at a suitable character (as in breakat)
"set linebreak
" Begin scrolling this lines from window edge.
set scrolloff=0

" Set the command window height to 2 lines, to avoid many cases of having to
" press <Enter> to continue"
set cmdheight=2
" Always display the status line, even if only one window is displayed
set laststatus=2
" Display the cursor position on the last line of the screen or in the status
" line of a window
if exists('&ruler')
    set ruler
endif
" Instead of failing a command because of unsaved changes, raise a dialogue 
" asking if you wish to save changed files.
if exists('&confirm')
    set confirm
endif
" Use visual bell instead of beeping when doing something wrong
if exists('&visualbell')
    set visualbell
    " And reset the terminal code for the visual bell. If visualbell is set, and
    " this line is also included, vim will neither flash nor beep. If visualbell
    " is unset, this does nothing.
    set t_vb=
endif
" Display line numbers on the left
if exists('&number')
    set number
endif
" Turn on spell check.
if exists("+spell")
    set spell
endif
" Show 80th column.
if exists("+colorcolumn")
    set colorcolumn=+1  " color textwidth+1-th line
endif

" Show command-line completion above the command line.
set wildmenu
" wildmenu ignore list
set wildignore=*.o,*.obj,*.bak,*.exe,*.d,*.dd
" Complete to longest common string
set wildmode=longest:full
" remember more history
set history=1000

" 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

" Enable syntax highlighting
highlight DiffAdd cterm=none ctermfg=Black ctermbg=Green gui=none guifg=Black guibg=Green
highlight DiffDelete cterm=none ctermfg=Black ctermbg=Red gui=none guifg=Black guibg=Red
highlight DiffChange cterm=none ctermfg=Black ctermbg=Yellow gui=none guifg=Black guibg=Yellow
highlight DiffText cterm=none ctermfg=Black ctermbg=Magenta gui=none guifg=Black guibg=Magenta
" Display tabs and trailing spaces visually
set list
set listchars=tab:>-,trail:·



"
"   .gvimrc content here.
"
if has("gui_running")
    " set color scheme
    colorscheme darkblue
    "set guioptions-=m
    "set guioptions-=T
    set lines=50
    set columns=85

    " Set the font.
    if has("win32") || has("win64")
        "set guifont=FreeMono:h14:cANSI
        "set guifont=Courier\ AM:h12
    else
        "set guifont=Bitstream\ Vera\ Sans\ Mono\ 12
        set guifont=Monospace\ 12
    endif
else
    colors vahagn_black_terminal
endif
" Configure coloring on command line terminals.
if &term=="xterm"
    set t_Co=8
    set t_Sb=[4%dm
    set t_Sf=[3%dm
endif
" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
"    set mouse=n
endif

















" One such option is the 'hidden' option, which allows you to re-use the same
" window and switch from an unsaved buffer without saving it first. Also allows
" you to keep an undo history for multiple files when re-using the same window
" in this way. Note that using persistent undo also lets you undo in multiple
" files even in the same window, but is less efficient and is actually designed
" for keeping undo history after closing Vim entirely. Vim will complain if you
" try to quit without saving, and swap files will keep you safe if your computer
" crashes.
if exists('&hidden')
    set hidden
endif

" Modelined are used to configure files.
if exists('&modeline')
    set modeline
    set modelines=10
endif

"   Set fold method if supported
if has('folding')
    set nofoldenable
    set foldmethod=indent "fold based on indent
    set foldnestmax=3
    set foldminlines=4
    set foldlevel=1
    set foldcolumn=2 " foldcolumn is width 2
    if has("autocmd")
        autocmd FileType vim setlocal foldmethod=marker
        autocmd FileType c setlocal foldmethod=syntax
        autocmd FileType h setlocal foldmethod=syntax
        autocmd FileType cpp setlocal foldmethod=syntax
    endif
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

    " start with all folds open
    au BufRead,BufNewFile,BufWinEnter * normal zR
    " highlight lone colon characters
    highlight WarnChar ctermbg=yellow ctermfg=red guibg=#FFCC33 guifg=#FF0000
    "apply highlight when opening a file, changing text (N or I), or opening a split
    au BufRead,InsertCharPre *.cpp 2mat WarnChar /\w\+;\?:;\?\w\+/

    " Put these in an autocmd group, so that we can delete them easily.
    augroup vimrcEx
        au!


        " 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).
        " Also don't do it when the mark is in the first line, that is the default
        " position when opening a file.
        autocmd BufReadPost *
                    \ if line("'\"") > 1 && line("'\"") <= line("$") |
                    \   exe "normal! g`\"" |
                    \ endif

    augroup END

endif " has("autocmd")

" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
if !exists(":DiffOrig")
    command DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis
                \ | wincmd p | diffthis
endif

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"   Key Mappings
"

" F4 grep the word under cursor.
"map <F4> :execute "grep " . expand("<cword>") . " -r *.h *.cpp *.c *.f" <Bar> cw<CR>
map <F4> :execute "grep " . expand("<cword>") . " -r --include \*.h --include \*.cpp --include \*.c --include \*.f ." <Bar> cw<CR>
" Create a new tab.
map <silent> <C-F3> :tabnew<CR>
"
"command! -nargs=* PFdiff :!p4 diff <args> %
"
" Loads CF5Compile
" Compile and run file if Ctrl-F5 is pressed.
"
if !exists('*CF5Compile') 
    runtime plugin/cf5-compiler.vim 
endif
map <silent> <C-F5> :call CF5Compile(1)<CR>
map <silent> <F5> :call CF5Compile(0)<CR>
"
" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
"
inoremap <C-U> <C-G>u<C-U>
"
" Move through wrapped lines instead of buffer lines.
"
noremap <Up> gk
noremap <Down> gj
imap <Up> <C-O>gk
imap <Down> <C-O>gj
"
" Working with tabs especially if using console version.
"
nnoremap th  :tabfirst<CR>
nnoremap tj  :tabnext<CR>
nnoremap tk  :tabprev<CR>
nnoremap tl  :tablast<CR>
nnoremap tm  :tabm<Space>
nnoremap td  :tabclose<CR>
"
"   .gvimrc content here.
"
if has("gui_running")
    ":tab drop {file}

    " Hide show menu and toolbar.
    map <silent> <C-F2> :if &guioptions =~# 'm' <Bar>
                \set guioptions-=m <Bar>
                \set guioptions-=T <Bar>
                \set showtabline=0 <Bar>
                \else <Bar>
                \set guioptions+=m <Bar>
                \set guioptions+=T <Bar>
                \set showtabline=1 <Bar>
                \endif <CR>

    " Open file in a new tab.
    if has("browsefilter")
        let g:browsefilter = "All Files (*.*)\t*\n"
    endif

else
endif

"
" Vundle experimental stuff here.
"
if filereadable(expand("~/.vim/bundle/Vundle.vim/README.md"))
    filetype off
    set rtp+=~/.vim/bundle/Vundle.vim
    call vundle#begin()
    Plugin 'VundleVim/Vundle.vim'
    call vundle#end()
    filetype plugin indent on
endif