refactor(scrollbar): detach scrollbar

.ci/detach_plugin.sh

@@ -436,7 +436,9 @@ EOT
             _checkdir autoload/SpaceVim/plugins/
             _detact autoload/SpaceVim/plugins/scrollbar.vim
             _detact LICENSE
-            _default_readme "scrollbar.vim" "floating scrollbar support for neovim/vim[wip]"
+            _detact_bundle scrollbar.vim README.md
+            _checkdir plugin
+            _detact_bundle scrollbar.vim plugin/scrollbar.vim
             ;;
         GitHub.vim)
             git clone https://github.com/wsdjeg/GitHub.vim.git detach/$1

autoload/SpaceVim/layers/ui.vim

@@ -113,6 +113,10 @@ function! SpaceVim#layers#ui#plugins() abort
     call add(plugins, [g:_spacevim_root_dir . 'bundle/vim-airline-themes',
           \ { 'merged' : 0}])
   endif
+  if s:enable_scrollbar
+    call add(plugins, [g:_spacevim_root_dir . 'bundle/scrollbar.vim',
+          \ { 'merged' : 0}])
+  endif
 
   return plugins
 
@@ -171,20 +175,8 @@ function! SpaceVim#layers#ui#config() abort
     noremap <silent> <F2> :TagbarToggle<CR>
   endif
 
-  " this options only support neovim now.
   augroup spacevim_layer_ui
     autocmd!
-    let events = join(filter( ['BufEnter','WinEnter', 'QuitPre', 'CursorMoved', 'VimResized', 'FocusGained', 'WinScrolled' ], 'exists("##" . v:val)'), ',')
-    if s:enable_scrollbar && SpaceVim#plugins#scrollbar#usable()
-      exe printf('autocmd %s * call SpaceVim#plugins#scrollbar#show()',
-            \ events)
-      autocmd WinLeave,BufLeave,BufWinLeave,FocusLost
-            \ * call SpaceVim#plugins#scrollbar#clear()
-      " why this autocmd is needed?
-      "
-      " because the startify use noautocmd enew
-      autocmd User Startified call s:clear_previous_scrollbar()
-    endif
     if !empty(s:cursorword_exclude_filetypes)
       exe printf('autocmd FileType %s let b:cursorword = 0',
             \ join(s:cursorword_exclude_filetypes, ','))
@@ -642,11 +634,6 @@ function! SpaceVim#layers#ui#set_variable(var) abort
         \ ))
 endfunction
 
-function! s:clear_previous_scrollbar() abort
-  let bufnr = bufnr('#')
-  call SpaceVim#plugins#scrollbar#clear(bufnr)
-endfunction
-
 function! SpaceVim#layers#ui#health() abort
   call SpaceVim#layers#ui#plugins()
   call SpaceVim#layers#ui#config()

bundle/scrollbar.vim/README.md

@@ -0,0 +1,35 @@
+# scrollbar.vim
+
+> _scrollbar.vim_ is floating scrollbar plugin for vim and neovim.
+
+[![](https://spacevim.org/img/build-with-SpaceVim.svg)](https://spacevim.org)
+[![GPLv3 License](https://img.spacevim.org/license-GPLv3-blue.svg)](LICENSE)
+
+<!-- vim-markdown-toc GFM -->
+
+- [Install](#install)
+- [Feedback](#feedback)
+
+<!-- vim-markdown-toc -->
+
+## Install
+
+1. Using `scrollbar.vim` in SpaceVim:
+
+```toml
+[[layers]]
+  name = 'ui'
+  enable_scrollbar = true
+```
+
+2. Using `scrollbar.vim` without SpaceVim:
+
+```
+Plug 'wsdjeg/scrollbar.vim'
+```
+
+## Feedback
+
+The development of this plugin is in [`SpaceVim/bundle/scrollbar.vim`](https://github.com/SpaceVim/SpaceVim/tree/master/bundle/scrollbar.vim) directory.
+
+If you encounter any bugs or have suggestions, please file an issue in the [issue tracker](https://github.com/SpaceVim/SpaceVim/issues)

bundle/scrollbar.vim/plugin/scrollbar.vim

@@ -0,0 +1,26 @@
+"=============================================================================
+" scrollbar.vim --- scrollbar plugin for vim and neovim
+" Copyright (c) 2016-2019 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg@outlook.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
+function! s:clear_previous_scrollbar() abort
+  let bufnr = bufnr('#')
+  call SpaceVim#plugins#scrollbar#clear(bufnr)
+endfunction
+augroup spacevim_scrollbar
+  autocmd!
+  let events = join(filter( ['BufEnter','WinEnter', 'QuitPre', 'CursorMoved', 'VimResized', 'FocusGained', 'WinScrolled' ], 'exists("##" . v:val)'), ',')
+  if SpaceVim#plugins#scrollbar#usable()
+    exe printf('autocmd %s * call SpaceVim#plugins#scrollbar#show()',
+          \ events)
+    autocmd WinLeave,BufLeave,BufWinLeave,FocusLost
+          \ * call SpaceVim#plugins#scrollbar#clear()
+    " why this autocmd is needed?
+    "
+    " because the startify use noautocmd enew
+    autocmd User Startified call s:clear_previous_scrollbar()
+  endif
+augroup end