" vim: et sw=2 sts=2

scriptencoding utf-8

if exists('g:loaded_signify') || !has('signs') || &compatible
  finish
endif

" Init: values {{{1

let g:loaded_signify = 1
let g:signify_locked = 0
let s:realtime       = get(g:, 'signify_realtime') && has('patch-7.4.1967')

let s:has_doau_modeline = v:version > 703 || v:version == 703 && has('patch442')

" Init: autocmds {{{1

augroup signify
  autocmd!

  autocmd QuickFixCmdPre  *vimgrep* let g:signify_locked = 1
  autocmd QuickFixCmdPost *vimgrep* let g:signify_locked = 0

  autocmd BufWritePost           * call sy#start()
  autocmd CursorHold,CursorHoldI * nested if &autowrite | call s:save() | endif

  if s:realtime
    autocmd BufEnter,WinEnter * call sy#start()
  else
    autocmd BufRead * call sy#start()
  endif

  if get(g:, 'signify_update_on_bufenter')
    autocmd BufEnter * nested call s:save()
  endif

  if s:realtime || get(g:, 'signify_update_on_focusgained')
    autocmd FocusGained * SignifyRefresh
  endif

  if has('gui_running') && has('win32')
    " Fix 'no signs at start' race.
    autocmd GUIEnter * redraw
  endif
augroup END

" Init: commands {{{1

command! -nargs=0 -bar       SignifyList            call sy#debug#list_active_buffers()
command! -nargs=0 -bar       SignifyDebug           call sy#repo#debug_detection()
command! -nargs=0 -bar -bang SignifyFold            call sy#fold#dispatch(<bang>1)
command! -nargs=0 -bar       SignifyRefresh         call sy#util#refresh_windows()
command! -nargs=0 -bar       SignifyEnable          call sy#enable()
command! -nargs=0 -bar       SignifyDisable         call sy#disable()
command! -nargs=0 -bar       SignifyToggle          call sy#toggle()
command! -nargs=0 -bar       SignifyToggleHighlight call sy#highlight#line_toggle()

" Init: mappings {{{1

" hunk jumping
nnoremap <silent> <expr> <plug>(signify-next-hunk) &diff
      \ ? ']c'
      \ : ":\<c-u>call sy#jump#next_hunk(v:count1)\<cr>"
nnoremap <silent> <expr> <plug>(signify-prev-hunk) &diff
      \ ? '[c'
      \ : ":\<c-u>call sy#jump#prev_hunk(v:count1)\<cr>"

if empty(maparg(']c', 'n'))
  nmap ]c <plug>(signify-next-hunk)
  nmap ]C 9999]c
endif
if empty(maparg('[c', 'n'))
  nmap [c <plug>(signify-prev-hunk)
  nmap [C 9999[c
endif

" hunk text object
onoremap <silent> <plug>(signify-motion-inner-pending) :<c-u>call sy#util#hunk_text_object(0)<cr>
xnoremap <silent> <plug>(signify-motion-inner-visual)  :<c-u>call sy#util#hunk_text_object(0)<cr>
onoremap <silent> <plug>(signify-motion-outer-pending) :<c-u>call sy#util#hunk_text_object(1)<cr>
xnoremap <silent> <plug>(signify-motion-outer-visual)  :<c-u>call sy#util#hunk_text_object(1)<cr>

" Function: save {{{1

function! s:save()
  if exists('b:sy') && b:sy.active && &modified
    write
  endif
endfunction

if exists('#User#SignifySetup')
  execute 'doautocmd' (s:has_doau_modeline ? '<nomodeline>' : '') 'User SignifySetup'
endif