remove hackfix and use new tagbar statusline integration.

requires 0b14e28719

autoload/airline/extensions/tagbar.vim

@@ -1,31 +1,26 @@
 " MIT License. Copyright (c) 2013 Bailey Ling.
 " vim: et ts=2 sts=2 sw=2
 
-function! airline#extensions#tagbar#apply(...)
-  if &ft == 'tagbar'
-    call airline#extensions#apply_left_override('Tagbar', '%{TagbarGenerateStatusline()}')
-  endif
+" Arguments: current, sort, fname
+function! airline#extensions#tagbar#get_status(...)
+  let builder = airline#builder#new({ 'active': a:1 })
+  call builder.add_section('airline_a', ' Tagbar ')
+  call builder.add_section('airline_b', ' '.a:2.' ')
+  call builder.add_section('airline_c', ' '.a:3.' ')
+  return builder.build()
 endfunction
 
-function! s:check_statusline()
-  " this is a hack!! unlike most plugins that set eventignore=all, tagbar only
-  " sets it to BufEnter, so the ordering is off: airline sets the statusline
-  " first, and then tagbar overwrites it, so this detects that and changes it
-  " back to the airline statusline.
-  if exists('#airline') && match(&statusline, '^%!Tagbar') >= 0
-    call airline#update_statusline()
+function! airline#extensions#tagbar#inactive_apply(...)
+  if getwinvar(a:2.winnr, '&filetype') == 'tagbar'
+    return -1
   endif
 endfunction
 
 function! airline#extensions#tagbar#init(ext)
-  call a:ext.add_statusline_func('airline#extensions#tagbar#apply')
+  call a:ext.add_inactive_statusline_func('airline#extensions#tagbar#inactive_apply')
+  let g:tagbar_status_func = 'airline#extensions#tagbar#get_status'
 
   let g:airline_section_x = '%(%{get(w:,"airline_active",0) ? tagbar#currenttag("%s","") : ""} '
         \ .g:airline_right_alt_sep.' %)'.g:airline_section_x
-
-  augroup airline_tagbar
-    autocmd!
-    autocmd CursorMoved * call <sid>check_statusline()
-  augroup END
 endfunction