Fix language client

config/after/language-client.vim

@@ -1,9 +1,7 @@
-let g:fzf_action = {
-\ 'ctrl-t': 'tab split',
-\ 'ctrl-x': 'split',
-\ 'ctrl-v': 'vsplit',
-\ }
-let opts = fzf#vim#with_preview().options + [
-\ '--expect='.join(keys(fzf_action), ','),
-\ ]
-let g:LanguageClient_fzfOptions = opts
+let g:lcn_fzf_options = "--delimiter ':' --preview-window '+{2}-20' --expect 'ctrl-t,ctrl-x,ctrl-v'"
+
+function! LcnFzfSelectionUI(source, sink) abort
+    return fzf#run(fzf#wrap(fzf#vim#with_preview({'source': a:source, 'options': g:lcn_fzf_options})))
+endfunction
+
+let g:LanguageClient_selectionUI = function('LcnFzfSelectionUI')

config/before/language-client.vim

@@ -51,3 +51,6 @@ function LC_maps()
 endfunction
 
 autocmd FileType * call LC_maps()
+
+let g:LanguageClient_loggingLevel =  'DEBUG'
+let g:LanguageClient_loggingFile = expand('~/.vim/LanguageClient.log')