Fix autocomplete layer options (#3786)

close https://github.com/SpaceVim/SpaceVim/issues/3783

autoload/SpaceVim/layers/autocomplete.vim

@@ -26,6 +26,18 @@
 " directory is `~/.SpaceVim/snippets/`. If `g:spacevim_force_global_config = 1`,
 " SpaceVim will not append `./.SpaceVim/snippets` as default snippets directory.
 
+
+if exists('s:return_key_behavior')
+  finish
+else
+  let s:return_key_behavior = 'smart'
+  let s:tab_key_behavior = 'smart'
+  let g:_spacevim_key_sequence = 'nil'
+  let s:key_sequence_delay = 1
+  let g:_spacevim_autocomplete_delay = 50
+  let s:timeoutlen = &timeoutlen
+endif
+
 function! SpaceVim#layers#autocomplete#plugins() abort
   let plugins = [
         \ [g:_spacevim_root_dir . 'bundle/vim-snippets',          { 'on_event' : 'InsertEnter', 'loadconf_before' : 1}],
@@ -116,7 +128,6 @@ function! SpaceVim#layers#autocomplete#plugins() abort
   return plugins
 endfunction
 
-
 function! SpaceVim#layers#autocomplete#config() abort
   if g:spacevim_autocomplete_parens
     imap <expr>(
@@ -183,14 +194,19 @@ function! SpaceVim#layers#autocomplete#config() abort
   elseif g:spacevim_snippet_engine ==# 'ultisnips'
     call SpaceVim#mapping#space#def('nnoremap', ['i', 's'], 'Unite ultisnips', 'insert snippets', 1)
   endif
+  if !empty(g:_spacevim_key_sequence)
+    if g:spacevim_escape_key_binding !=# g:_spacevim_key_sequence
+      augroup spacevim_layer_autocomplete
+        autocmd!
+        autocmd InsertEnter * call s:apply_sequence_delay()
+        autocmd InsertLeave * call s:restore_sequence_delay()
+      augroup END
+    else
+      call SpaceVim#logger#warn('Can not use same value for escape_key_binding and auto_completion_complete_with_key_sequence')
+    endif
+  endif
 endfunction
 
-let s:return_key_behavior = 'smart'
-let s:tab_key_behavior = 'smart'
-let s:key_sequence = 'nil'
-let s:key_sequence_delay = 0.1
-let g:_spacevim_autocomplete_delay = 50
-
 function! SpaceVim#layers#autocomplete#set_variable(var) abort
 
   let s:return_key_behavior = get(a:var,
@@ -203,12 +219,12 @@ function! SpaceVim#layers#autocomplete#set_variable(var) abort
         \ get(a:var,
         \ 'auto-completion-tab-key-behavior',
         \ s:tab_key_behavior))
-  let s:key_sequence = get(a:var,
+  let g:_spacevim_key_sequence = get(a:var,
         \ 'auto_completion_complete_with_key_sequence',
         \ get(a:var,
         \ 'auto-completion-complete-with-key-sequence',
-        \ s:key_sequence))
+        \ g:_spacevim_key_sequence))
-  let s:key_sequence_delay = get(a:var,
+  let g:_spacevim_key_sequence_delay = get(a:var,
         \ 'auto_completion_complete_with_key_sequence_delay',
         \ get(a:var,
         \ 'auto-completion-complete-with-key-sequence-delay',
@@ -233,6 +249,14 @@ function! SpaceVim#layers#autocomplete#getprfile() abort
 
 
 
+endfunction
+
+function! s:apply_sequence_delay() abort
+  let &timeoutlen =  s:key_sequence_delay * 1000
+endfunction
+
+function! s:restore_sequence_delay() abort
+  let &timeoutlen = s:timeoutlen
 endfunction
 
 " vim:set et sw=2 cc=80:

config/plugins/deoplete.vim

@@ -125,6 +125,9 @@ call deoplete#custom#option('sources', {'cs': ['omnisharp']})
 " public settings
 call deoplete#custom#source('_', 'matchers', ['matcher_full_fuzzy'])
 call deoplete#custom#source('file/include', 'matchers', ['matcher_head'])
+if !empty(g:_spacevim_key_sequence) && g:spacevim_escape_key_binding !=# g:_spacevim_key_sequence
+  exe printf('inoremap <silent><expr>%s deoplete#manual_complete()', g:_spacevim_key_sequence)
+endif
 
 if g:spacevim_autocomplete_parens && exists('g:loaded_delimitMate')
   imap <expr><C-h> deoplete#smart_close_popup()."<Plug>delimitMateBS"

config/plugins/neocomplete.vim

@@ -68,3 +68,7 @@ inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
 inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
 inoremap <expr><C-y>  neocomplete#close_popup()
 inoremap <expr><C-e>  neocomplete#cancel_popup()
+
+if !empty(g:_spacevim_key_sequence) && g:spacevim_escape_key_binding !=# g:_spacevim_key_sequence
+  exe printf('imap <silent>%s <Plug>(neocomplete_auto_refresh)', g:_spacevim_key_sequence)
+endif

docs/cn/layers/autocomplete.md

@@ -136,8 +136,10 @@ SpaceVim 选项 `snippet_engine` 设置为 `ultisnips`，将使用 [UltiSnips](h
    - `cycle` 循环模式，自动再补全列表之间循环
    - `nil` 当设为 nil 时，该行为和 `Tab` 的默认行为一致
 3. `auto_completion_delay` 设置自动补全延迟时间，默认 50 毫秒
-4. `auto_completion_complete_with_key_sequence` 设置一个手动补全的由两个字符构成的按键序列，如果你按下这个序列足够快，将会启动补全；如果这一选项的值是 `nil` ，这一特性将被禁用。
+4. `auto_completion_complete_with_key_sequence` 设置一个手动补全的由两个字符构成的按键序列，
-5. `auto_completion_complete_with_key_sequence_delay` 设置手动补全按键序列延迟时间，默认是 0.1
+   如果你按下这个序列足够快，将会启动补全；如果这一选项的值是 `nil` ，这一特性将被禁用。
+   **NOTE:** 该选项不可以与全局选项 `escape_key_binding` 使用同一个值。
+5. `auto_completion_complete_with_key_sequence_delay` 设置手动补全按键序列延迟时间，默认是 1 秒。
 
 自动补全模块默认载入状态如下：
 

docs/layers/autocomplete.md

@@ -118,21 +118,23 @@ You can customize the user experience of autocompletion with the following layer
    - `complete` completes with the current selection
    - `smart` completes with current selection and expand snippet or argvs
    - `nil`
-     By default it is `complete`.
+   By default it is `complete`.
 2. `auto_completion_tab_key_behavior` set the action to
    perform when the `TAB` key is pressed, the possible values are:
    - `smart` cycle candidates, expand snippets, jump parameters
    - `complete` completes with the current selection
    - `cycle` completes the common prefix and cycle between candidates
    - `nil` insert a carriage return
-     By default it is `complete`.
+   By default it is `complete`.
 3. `auto_completion_delay` is a number to delay the completion after input in milliseconds,
    by default it is 50 ms.
 4. `auto_completion_complete_with_key_sequence` is a string of two characters denoting
    a key sequence that will perform a `complete` action if the sequence as been entered
    quickly enough. If its value is `nil` then the feature is disabled.
+   **NOTE:** This option should not has same value as `escape_key_binding`
 5. `auto_completion_complete_with_key_sequence_delay` is the number of seconds to wait for
-the autocompletion key sequence to be entered. The default value is 0.1 seconds.
+   the autocompletion key sequence to be entered. The default value is 1 seconds.
+   This option is used for vim's `timeoutlen` option in insert mode.
 
 The default configuration of the layer is: