Automatically adjust the completion options when using completion while you type

1 files changed, 10 insertions, 0 deletions

diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index f3d74cf0..07f755ea 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -115,11 +115,16 @@ function! ale#completion#Show(response, completion_parser) abort
         let b:ale_old_omnifunc = &l:omnifunc
     endif
 
+    if !exists('b:ale_old_completopt')
+        let b:ale_old_completopt = &l:completeopt
+    endif
+
     " Set the list in the buffer, temporarily replace omnifunc with our
     " function, and then start omni-completion.
     let b:ale_completion_response = a:response
     let b:ale_completion_parser = a:completion_parser
     let &l:omnifunc = 'ale#completion#OmniFunc'
+    let &l:completeopt = 'menu,menuone,preview,noselect,noinsert'
     call ale#completion#FeedKeys("\<C-x>\<C-o>", 'n')
 endfunction
 
@@ -303,6 +308,11 @@ function! ale#completion#Done() abort
         let &l:omnifunc = b:ale_old_omnifunc
         unlet b:ale_old_omnifunc
     endif
+
+    if exists('b:ale_old_completopt')
+        let &l:completeopt = b:ale_old_completopt
+        unlet b:ale_old_completopt
+    endif
 endfunction
 
 function! s:Setup(enabled) abort