vimrc.mappings

" vim: foldmethod=marker ts=2 sts=2 sw=2 fdl=0

" functions {{{
function! Preserve(command)
  " preparation: save last search, and cursor position.
  let _s=@/
  let l = line(".")
  let c = col(".")
  " do the business:
  execute a:command
  " clean up: restore previous search history, and cursor position
  let @/=_s
  call cursor(l, c)
endfunction

function! StripTrailingWhitespace()
  call Preserve("%s/\\s\\+$//e")
endfunction
"}}}

nmap <leader>fef :call Preserve("normal gg=G")<CR>
nmap <leader>f$ :call StripTrailingWhitespace()<CR>

nnoremap <leader>w :w<cr>

"awesome, inserts new line without going into insert mode
map <S-Enter> O<ESC>
map <Enter> o<ESC>

" toggle paste
map <F6> :set invpaste<CR>:set paste?<CR>

" smash escape
inoremap fd <esc>
inoremap jj <esc>
inoremap <esc> <Nop>

inoremap <C-]> <C-o>l

" cscope
nmap <C-[>s :cs find s <C-R>=expand("<cword>")<CR><CR>
nmap <C-[>g :cs find g <C-R>=expand("<cword>")<CR><CR>
nmap <C-[>c :cs find c <C-R>=expand("<cword>")<CR><CR>
nmap <C-[>t :cs find t <C-R>=expand("<cword>")<CR><CR>
nmap <C-[>e :cs find e <C-R>=expand("<cword>")<CR><CR>
nmap <C-[>f :cs find f <C-R>=expand("<cfile>")<CR><CR>
nmap <C-[>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR>
nmap <C-[>d :cs find d <C-R>=expand("<cword>")<CR><CR>

" folds
nnoremap zr zr:echo &foldlevel<cr>
nnoremap zm zm:echo &foldlevel<cr>
nnoremap zR zR:echo &foldlevel<cr>
nnoremap zM zM:echo &foldlevel<cr>

" screen line scroll
nnoremap <silent> j gj
nnoremap <silent> k gk

" find current word in quickfix
nnoremap <leader>fw :execute "vimgrep ".expand("<cword>")." %"<cr>:copen<cr>
" find last search in quickfix
nnoremap <leader>ff :execute 'vimgrep /'.@/.'/g %'<cr>:copen<cr>

" shortcuts for windows
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" hide annoying quit message
nnoremap <C-c> <C-c>:echo<cr>

" quick buffer open
nnoremap gb :ls<cr>:e #

" disable arrow keys
map <Left> <Nop>
map <Right> <Nop>
map <Up> <Nop>
map <Down> <Nop>
imap <Up> <Nop>
imap <Down> <Nop>
imap <Left> <Nop>
imap <Right> <Nop>

" surround a word with some character
function! s:surround()
    let word = expand("<cword>")
    let wrap= input("wrap with: ")
    let command = "s/".word."/".wrap.word.wrap."/"
    execute command
endfunction
nmap cx :call <SID>surround()<CR>