dotfiles/vim/vimrc

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"
"  .bashrc -- my personal VIM configuration
"             see https://github.com/hcartiaux/dotfiles
"
"  Copyright (c) 2013 Hyacinthe Cartiaux <Hyacinthe.Cartiaux@uni.lu>
"                                _
"                         __   _(_)_ __ ___  _ __ ___
"                         \ \ / / | '_ ` _ \| '__/ __|
"                          \ V /| | | | | | | | | (__
"                         (_)_/ |_|_| |_| |_|_|  \___|
"
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" Resources:
" * https://github.com/shingara/vim-conf/blob/master/vimrc
" * http://blog.shingara.fr/vundle-ou-le-bundler-de-vim.html
" * http://vim.wikia.com/wiki/Configuring_the_cursor
" * http://ftp.vim.org/pub/vim/runtime/spell/
" * http://stackoverflow.com/questions/6496778/vim-run-autocmd-on-all-filetypes-except
" * http://vim.wikia.com/wiki/Omni_completion
" * http://amix.dk/vim/vimrc.html

set nocompatible

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" => General
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set history=1000
filetype on
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread

" Fast saving
nmap <leader>w :w!<cr>

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" => VIM user interface
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" Turn on the WiLd menu
set wildmenu
set wildmode=list:longest,full

" Ignore compiled files
set wildignore=*.o,*~,*.pyc,*.obj,.git,*.rbc

" Use the mouse
set mouse=a

" Always show current position
set ruler

" A buffer becomes hidden when it is abandoned
set hid

" Show line numbers
" set number

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" Show matching brackets when text indicator is over them
set showmatch

" How many tenths of a second to blink when matching brackets
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Keep 1 line when scrolling
set scrolloff=1

" Try to preserve column where cursor is positioned during motion commands
set nostartofline

" Displaying status line always
set laststatus=2

" Show information about the current command going on
set showcmd


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" => Colors and Fonts
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colorscheme default
set background=dark

" Set utf8 as standard encoding
set encoding=utf-8
set fileencoding=utf-8

" Use Unix as the standard file type
set ffs=unix,dos,mac

" Enable syntax highlighting
syntax enable

set cursorline
hi CursorLine term=bold cterm=bold ctermbg=blue ctermfg=white

if $XDG_CURRENT_DESKTOP == "KDE"
  autocmd VimEnter * silent !konsoleprofile UseCustomCursorColor=1
  let &t_SI = "\<Esc>]50;CustomCursorColor=orange;BlinkingCursorEnabled=1\x7"
  let &t_EI = "\<Esc>]50;CustomCursorColor=red;BlinkingCursorEnabled=0\x7"
  silent !konsoleprofile CustomCursorColor=red
  autocmd VimLeave * silent !konsoleprofile CustomCursorColor=gray;BlinkingCursorEnabled=0
endif

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions+=e
    set t_Co=256
    set guitablabel=%M\ %t
endif



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" => Files, backups and undo
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" Centralize backups, swapfiles and undo history
set backup
set backupdir=$HOME/.vim/backup//
set directory=$HOME/.vim/swap//

if has('persistent_undo')
  set undofile
  set undolevels=1000 "maximum number of changes that can be undone
  set undoreload=10000 "maximum number lines to save for undo on a buffer reload
  if exists("&undodir")
    set undodir=$HOME/.vim/undo//
  endif
end

set viminfo+=n$HOME/.vim/.viminfo

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" => Text, tab and indent related
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" Indent
set cindent

" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab = 2 spaces
set shiftwidth=2
set softtabstop=2
set tabstop=2

" Use tab when editing Makefiles
autocmd FileType make set noexpandtab

" Linebreak on 500 characters
set lbr
set textwidth=200


"""""""""""""
" => Helpers
"""""""""""""

" Vim 7 spell checker (z=)
if has("spell")
  setlocal spell spelllang=
  " Language : FR
  map ,lf :setlocal spell spelllang=fr<cr>
  " Language : EN
  map ,le :setlocal spell spelllang=en<cr>
  " Language : Aucun
  map ,ln :setlocal spell spelllang=<cr>
endif


set spellsuggest=5
autocmd BufEnter *.txt,*.tex,*.md set spell
autocmd BufEnter *.txt,*.tex set spelllang=fr
autocmd BufEnter *.md set spelllang=en
autocmd BufNewFile,BufRead PKGBUILD set syntax=sh


" Automatic headers
autocmd bufnewfile *.rb so ~/.vim/header/ruby
autocmd bufnewfile *.pl so ~/.vim/header/perl
autocmd bufnewfile *.sh so ~/.vim/header/shell
au BufRead,BufNewFile *.md set syntax=markdown

" Display trailing white spaces
set list listchars=tab:\ \ ,trail:·
" Remove trailing white spaces in all files except *.md
fun! StripTrailingWhitespace()
    " Only strip if the b:noStripeWhitespace variable isn't set
    if exists('b:noStripWhitespace')
        return
    endif
    %s/\s\+$//e
endfun
autocmd BufWritePre * call StripTrailingWhitespace()
autocmd FileType markdown let b:noStripWhitespace=1

" Shortcuts
map <F3> <Esc>:tabnext<CR>
map <F2> <Esc>:tabprevious<CR>
map <F4> <Esc>:set paste<CR>