.vimrc

set tabstop=4       " Number of spaces that a <Tab> in the file counts for.
 
set shiftwidth=4    " Number of spaces to use for each step of (auto)indent.
 
set expandtab       " Use the appropriate number of spaces to insert a <Tab>.
                    " Spaces are used in indents with the '>' and '<' commands
                    " and when 'autoindent' is on. To insert a real tab when
                    " 'expandtab' is on, use CTRL-V <Tab>.
 
set smarttab        " When on, a <Tab> in front of a line inserts blanks
                    " according to 'shiftwidth'. 'tabstop' is used in other
                    " places. A <BS> will delete a 'shiftwidth' worth of space
                    " at the start of the line.

set softtabstop=4   " Number of spaces that a <Tab> counts for while performing editing
                    " operations, like inserting a <Tab> or using <BS>.

set showcmd         " Show (partial) command in status line.

set number          " Show line numbers.

set showmatch       " When a bracket is inserted, briefly jump to the matching
                    " one. The jump is only done if the match can be seen on the
                    " screen. The time to show the match can be set with
                    " 'matchtime'.
 
set hlsearch        " When there is a previous search pattern, highlight all
                    " its matches.
 
set incsearch       " While typing a search command, show immediately where the
                    " so far typed pattern matches.
 
set ignorecase      " Ignore case in search patterns.
 
set smartcase       " Override the 'ignorecase' option if the search pattern
                    " contains upper case characters.
 
set backspace=2     " Influences the working of <BS>, <Del>, CTRL-W
                    " and CTRL-U in Insert mode. This is a list of items,
                    " separated by commas. Each item allows a way to backspace
                    " over something.
 
set autoindent      " Copy indent from current line when starting a new line
                    " (typing <CR> in Insert mode or when using the "o" or "O"
                    " command).

set cindent         " Stricter ident rules for C programs.
 
set formatoptions=c,q,r,t " This is a sequence of letters which describes how
                    " automatic formatting is to be done.
                    "
                    " letter    meaning when present in 'formatoptions'
                    " ------    ---------------------------------------
                    " c         Auto-wrap comments using textwidth, inserting
                    "           the current comment leader automatically.
                    " q         Allow formatting of comments with "gq".
                    " r         Automatically insert the current comment leader
                    "           after hitting <Enter> in Insert mode. 
                    " t         Auto-wrap text using textwidth (does not apply
                    "           to comments)
 
set ruler           " Show the line and column number of the cursor position,
                    " separated by a comma.
 
set background=dark " When set to "dark", Vim will try to use colors that look
                    " good on a dark background. When set to "light", Vim will
                    " try to use colors that look good on a light background.
                    " Any other value is illegal.

set mouse=a         " Enable the use of the mouse.

set wrap            " soft-wrap lines
set showbreak=...\  " prefix for soft-wrapped lines (no actual line break character)
set linebreak       " soft-wrap lines only at certain characters (see :help breakat)

filetype plugin indent on
syntax on

" Remove highlighting when hitting <Return> after search
nnoremap <CR> :noh<CR><CR>

" in normal mode F4 will save the file
nmap <F5> :w<CR>
" in insert mode F4 will exit insert, save, enters insert again
imap <F5> <ESC>:w<CR>i
" switch between header/source with F6
map <F6> :e %:p:s,.h$,.X123X,:s,.c$,.h,:s,.X123X$,.c,<CR>

" in diff mode we use the spell check keys for merging
if &diff
” diff settings
map <M-Down> ]c
map <M-Up> [c
map <M-Left> do
map <M-Right> dp
map <F9> :new<CR>:read !svn diff<CR>:set syntax=diff buftype=nofile<CR>gg
else
" spell settings
:setlocal spell spelllang=en
" set the spellfile - folders must exist
set spellfile=~/.vim/spellfile.add
map <M-Down> ]s
map <M-Up> [s
endif