From ec759011201ce16db7079dbc26ae9c085c2608ba Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Sun, 26 May 2019 01:32:12 +0900
Subject: [PATCH] Fix completion menu state calculation

---
 lib/reline/line_editor.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index b069a0d912..af634da650 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -257,10 +257,15 @@ class Reline::LineEditor
 
   def rerender # TODO: support physical and logical lines
     if @menu_info
-      @output.puts
+      scroll_down(@highest_in_all - @first_line_started_from)
+      @rerender_all = true
       @menu_info.list.each do |item|
-        @output.puts item
+        Reline::IOGate.move_cursor_column(0)
+        @output.print item
+        scroll_down(1)
       end
+      scroll_down(@highest_in_all - 1)
+      move_cursor_up(@highest_in_all - 1 - @first_line_started_from)
       @menu_info = nil
     end
     return if @line.nil?