key_mappings.vim

"map Q to something useful
noremap Q gq

"make Y consistent with C and D
nnoremap Y y$

"visual search mappings
function! s:VSetSearch()
    let temp = @@
    norm! gvy
    let @/ = '\V' . substitute(escape(@@, '\'), '\n', '\\n', 'g')
    let @@ = temp
endfunction
vnoremap * :<C-u>call <SID>VSetSearch()<CR>//<CR>
vnoremap # :<C-u>call <SID>VSetSearch()<CR>??<CR>

" CtrlP
map <leader>ff :CtrlP<CR>
map <leader>fb :CtrlPBuffer<CR>

" Directory browsing
map <leader>d :Explore!<CR>

" If the search term highlighting gets annoying, set a key to switch it off temporarily
nmap <silent> <leader>n :silent :nohlsearch<CR>

" Catch trailing whitespace
" set listchars=tab:>-,trail:·,eol:$,nbsp:·
" set listchars=tab:>-,trail:·,nbsp:·
nmap <silent> <leader>s :set nolist!<CR>

" Toggle line wrapping
nmap <silent> <leader>w :set wrap!<CR>

" Run selected text through ruby and replace with output
vmap <Leader>rb :!ruby -e 'eval(STDIN.read)'<CR>

" Extract RSpec let from before @variable
vmap <leader>rrl d?\v^\s*<(describe\|context)><CR>$p==0:s/\v\@?<(\w+)>\s*\=\s*(.+)/let(:\1) { \2 }<CR>mrf:wve"vy?\v^\s*<(describe\|context)><CR>$V%:s/@\<\(<C-R>v\)\>/\1/g<CR>'r