From d5ef373b1194bac64784ae316d125d7a2cf1988a Mon Sep 17 00:00:00 2001
From: tomoya ishida <tomoyapenguin@gmail.com>
Date: Sun, 28 May 2023 18:20:13 +0900
Subject: [PATCH] [ruby/irb] Set maximum document dialog height by
 preferred_dialog_height provided by Reline
 (https://github.com/ruby/irb/pull/591)

https://github.com/ruby/irb/commit/df6907aca9
---
 lib/irb/input-method.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
index 992968ffdc..4e049b22db 100644
--- a/lib/irb/input-method.rb
+++ b/lib/irb/input-method.rb
@@ -401,6 +401,7 @@ module IRB
       mod_key = RUBY_PLATFORM.match?(/darwin/) ? "Option" : "Alt"
       message = "Press #{mod_key}+d to read the full document"
       contents = [message] + doc.accept(formatter).split("\n")
+      contents = contents.take(preferred_dialog_height) if respond_to?(:preferred_dialog_height)
 
       y = cursor_pos_to_render.y
       DialogRenderInfo.new(pos: Reline::CursorPos.new(x, y), contents: contents, width: width, bg_color: '49')