"
" Vim configuration file (~/.vimrc)
" 2009, kolter <kolter@openics.org>
"
"  This file is distributed in the hope that it will be useful,
"  but WITHOUT ANY WARRANTY
"

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" General Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set nocompatible "no vi compatibility
set history=200 "command history size
set undolevels=120 "undo levels count

set autoread "notify file changes
set autochdir "switch to the current file directory
set clipboard+=unnamed "share system clipboard
set backup "enable backups
set backupdir=~/.vim/backups "backup directory
set directory=~/.vim/tmp "directory to place swap files in


"Syntax highlight
syntax on
set t_Co=256
set bg=dark
colorscheme xoria256


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Interface Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set title "show title
set number "show line numbers
set ruler "statusline for each window
set visualbell t_vb= "visual beep

set showcmd "show incomplete commands
set confirm "raise a dialog asking what to do instead of failing

"set mouse=a "enable mouse support
set lazyredraw "do not redraw when running macros
set ttyfast "fast terminal connection support

set shortmess=a "abbreviations on status line
set laststatus=2 "always statusline
set statusline=%<%F\ %h%m%r%y%=%{\"[\".(&fenc==\"\"?&enc:&fenc).((exists(\"+bomb\")\ &&\ &bomb)?\",B\":\"\").\"]\ \"}%k\ %-14.(%l,%c%V%)\ %P

set wildmenu "display completion menu
set wildmode=list:longest,list:full "content of completion menu
"ignore some extensions while completing filename
"set wildignore=*.o,*.so,,*.gz,*.bz2,*.tar,*.tgz,*.tbz2,*.png,*.jpg,*.jpeg,*.gif
set wildchar=<TAB> "wildcar expansion character

set modeline "allow last lines of documents set vim mode
set modelines=3 "number of lines to check for modelines


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Keyboard Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

"reopen current file
map <F5> :e!<CR>
"using redraw to disable highlighted search patterns
nnoremap <C-L> :nohl<CR><C-L>

"map F1 to open previous buffer
nmap <F1> :bp<CR>
imap <F1> <ESC>:bp<CR>a
"map F2 to open next buffer
nmap <F2> :bn<CR>
imap <F2> <ESC>:bn<CR>a

"imap <C-Space> <C-X><C-O> "smart completion
map <C-u> :u<CR>

nmap <C-i> :tabnext<CR>
"nmap <C-S-i> :tabprevious<CR>
nmap <C-t> :tabnew<CR>
"nmap <C-M-w> :tabclose<CR>

nmap <C-q> :call CleanClose()<CR>

nmap <F6> :vsplit<CR>
nmap <F7> :split<CR>

"ctrl-$arrow no cycle around splitted windows
map <C-left> <C-W>h
map <C-right> <C-W>l
map <C-Up> <C-W>k
map <C-Down> <C-W>j

"ident in visual mode keep selection
vmap > >gv
vmap < <gv


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Editor Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set fileformats=unix,dos,mac "support all three, in this order
set hidden "make possible to change buffer without saving
set backspace=indent,eol,start "enhance backspacing
set report=0 "agressive reporting
set pastetoggle=<F11> "use <F11> to toggle between 'paste' and 'nopaste'
set nostartofline "leave the cursor where it is

"indent settings
set autoindent
set smartindent
set cindent

"tabs and spaces settings
set tabstop=4
set shiftwidth=4
set shiftround "round indent to shiftwidth
set softtabstop=4
set expandtab "no real tabs

set showmatch "brace/parenthese/bracket matching
set nowrap "wrap long lines
set showbreak="++++ "

"show some not printable chars
set list
set listchars=tab:>.,trail:·,extends:>,precedes:<,nbsp:%

"search settings
set hlsearch "highlight searches
set incsearch "incremental searches
set ignorecase "ignore case in search patterns
set infercase "smart case support


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Filetypes Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
filetype plugin indent on


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Global Triggers
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

"reload Vim config file after saving
autocmd BufWritePost ~/.vimrc :source ~/.vimrc

"always limit the width for text files
autocmd BufRead *.txt set tw=78

autocmd QuickFixCmdPre * botright cwindow 5

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Spell Checking
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

function! ToggleSpell()
    if !exists("b:spell")
        setlocal spell spelllang=fr,en_us
        let b:spell = 1
    else
        setlocal nospell
        unlet b:spell
    endif
endfunction

nmap <F4> :call ToggleSpell()<CR>
imap <F4> <Esc>:call ToggleSpell()<CR>a


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" TagList setup
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Settings for taglist.vim
let Tlist_Use_Right_Window=1
let Tlist_Auto_Open=0
"let Tlist_Enable_Fold_Column=0
let Tlist_Compact_Format=1
"let Tlist_WinWidth=28
let Tlist_Exit_OnlyWindow=1
let Tlist_File_Fold_Auto_Close=1
let Tlist_Process_File_Always=1
"dip F1 to open previous buffersplay tags only for the current buffer
let Tlist_Show_One_File=1
let Tlist_Use_SingleClick=1
let Tlist_Ctags_Cmd="~/.vim/bin/ctags-exuberant"
nnoremap <silent> <F9> :Tlist<CR>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Useful functions
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

function! CleanClose()
    let todelbufNr = bufnr("%")
    let newbufNr = bufnr("#")
    if ((newbufNr != -1) && (newbufNr != todelbufNr) && buflisted(newbufNr))
        exe "b".newbufNr
    else
        bnext
    endif
    if (bufnr("%") == todelbufNr)
        new
    endif
    exe "bd".todelbufNr
endfunction