Restore g:signify_cursorhold_{normal,insert}

References #230.

doc/signify.txt

@@ -73,9 +73,6 @@ By default, Sy is rather conservative and only updates signs when opening a
 new buffer or writing it. If you want more agressive sign updating, have a
 look at |g:signify_realtime|.
 
-Moreover, if you want to update signs after 'updatetime' (using the |CursorHold|
-and |CursorHoldI| events), set 'autowrite'.
-
 Use |signify-:SignifyList| to list all buffers managed by Sy and their current
 state.
 
@@ -146,6 +143,8 @@ Other options:~
     |g:signify_sign_changedelete|
     |g:signify_sign_show_count|
     |g:signify_sign_show_text|
+    |g:signify_cursorhold_normal|
+    |g:signify_cursorhold_insert|
     |g:signify_difftool|
     |g:signify_fold_context|
 
@@ -200,7 +199,11 @@ With this option enabled, signs update on:
     |BufEnter|      (opening or switching to another buffer)
     |WinEnter|      (opening or switching to another window)
     |BufWritePost|  (saving a buffer)
-    |FocusGained|   (OS window containing Vim got focus)
+    |CursorHold|    (disable via |g:signify_cursorhold_normal|)
+    |CursorHoldI|   (disable via |g:signify_cursorhold_insert|)
+    |FocusGained|   (disable via |g:signify_update_on_focusgained|)
+
+You can check the autocmds yourself: `:au signify`
 
 NOTE: Running Sy on all these events would block too often for older Vim
 versions, thus this option requires Vim 7.4.1967+, which is the minimum
@@ -288,7 +291,9 @@ NOTE: This also saves the buffer to disk!
                                                *g:signify_update_on_focusgained*  >
     let g:signify_update_on_focusgained = 0
 <
-Update signs when Vim gains focus.
+Update signs when the window holding Vim gains focus.
+
+NOTE: This works for all GUIs and even a few terminal emulators.
 
 ------------------------------------------------------------------------------
                                                       *g:signify_line_highlight*  >
@@ -344,6 +349,18 @@ yourself: |signify-colors|.
 
 If you want no sign column at all and use Vim 7.4.2201+, use |'signcolumn'|.
 
+------------------------------------------------------------------------------
+                                                   *g:signify_cursorhold_normal*
+                                                   *g:signify_cursorhold_insert*  >
+    let g:signify_cursorhold_normal = 0
+    let g:signify_cursorhold_insert = 0
+<
+Additionally trigger sign updates in normal or insert mode after 'updatetime'
+miliseconds without any keypresses. This fires only once between keypresses,
+thus not every 'updatetime' miliseconds.
+
+NOTE: This also saves the buffer to disk!
+
 ------------------------------------------------------------------------------
                                                             *g:signify_difftool*  >
     let g:signify_difftool = 'gnudiff'
@@ -446,17 +463,12 @@ User SignifySetup~
   This event fires at the end of `plugin/signify.vim`, in case you want to
   change any of the default autocmds, commands, or mappings.
 
-  Example: If 'autowrite' is set, Sy runs on |CursorHold| and |CursorHoldI|.
-  If you don't want to run it in insert mode, remove the autocmd for it:
->
-    autocmd User SignifySetup autocmd! signify CursorHoldI
-<
 User Signify~
 
   This event fires when Sy detects changes in a version-controlled file.
 
 NOTE: Autocmds don't nest by default. If you use any command that triggers new
-events, make sure to add "nested": |autocmd-nested|.
+events, make sure to use |autocmd-nested|.
 
 ==============================================================================
 MAPPINGS                                                      *signify-mappings*
@@ -599,12 +611,11 @@ EXAMPLE                                                        *signify-example*
 An example configuration for Sy:
 >
     let g:signify_vcs_list              = [ 'git', 'hg' ]
+    let g:signify_cursorhold_insert     = 1
+    let g:signify_cursorhold_normal     = 1
     let g:signify_update_on_bufenter    = 0
     let g:signify_update_on_focusgained = 1
 
-    " update signs after 'updatetime'
-    set autowrite
-
     nnoremap <leader>gt SignifyToggle
     nnoremap <leader>gh SignifyToggleHighlight
     nnoremap <leader>gr SignifyRefresh

plugin/signify.vim

@@ -7,40 +7,49 @@ if exists('g:loaded_signify') || !has('signs') || &compatible
 endif
 
 " Init: values {{{1
-
+let g:loaded_signify = 1
-let g:loaded_signify   = 1
+let g:signify_locked = 0
-let g:signify_locked   = 0
-let s:realtime         = get(g:, 'signify_realtime') && has('patch-7.4.1967')
-let s:save_on_bufenter = get(g:, 'signify_update_on_bufenter')
-
 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 BufWritePost * call sy#start()
-  autocmd CursorHold,CursorHoldI * nested if &autowrite | call s:save() | endif
 
-  if s:realtime
+  if get(g:, 'signify_realtime') && has('patch-7.4.1967')
-    if !s:save_on_bufenter
+    autocmd WinEnter * call sy#start()
+    if get(g:, 'signify_update_on_bufenter')
+      autocmd BufEnter * nested call s:save()
+    else
       autocmd BufEnter * call sy#start()
     endif
-    autocmd WinEnter * call sy#start()
+    if get(g:, 'signify_cursorhold_normal', 1)
+      autocmd CursorHold * nested call s:save()
+    endif
+    if get(g:, 'signify_cursorhold_insert', 1)
+      autocmd CursorHoldI * nested call s:save()
+    endif
+    if get(g:, 'signify_update_on_focusgained', 1)
+      autocmd FocusGained * SignifyRefresh
+    endif
   else
     autocmd BufRead * call sy#start()
-  endif
+    if get(g:, 'signify_update_on_bufenter')
-
+      autocmd BufEnter * nested call s:save()
-  if s:save_on_bufenter
+    endif
-    autocmd BufEnter * nested call s:save()
+    if get(g:, 'signify_cursorhold_normal')
-  endif
+      autocmd CursorHold * nested call s:save()
-
+    endif
-  if s:realtime || get(g:, 'signify_update_on_focusgained')
+    if get(g:, 'signify_cursorhold_insert')
-    autocmd FocusGained * SignifyRefresh
+      autocmd CursorHoldI * nested call s:save()
+    endif
+    if get(g:, 'signify_update_on_focusgained')
+      autocmd FocusGained * SignifyRefresh
+    endif
   endif
 
   if has('gui_running') && has('win32')