From 777f8ed9ef7cebae81230c32b3d56a910d3e9130 Mon Sep 17 00:00:00 2001
From: Stan Lo <stan001212@gmail.com>
Date: Tue, 23 May 2023 13:44:04 +0900
Subject: [PATCH] WIP

---
 lib/irb.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/irb.rb b/lib/irb.rb
index 26432a0fa..9ba73eb93 100644
--- a/lib/irb.rb
+++ b/lib/irb.rb
@@ -850,6 +850,17 @@ def output_value(omit = false) # :nodoc:
           end
         end
       end
+
+      screen_height, screen_width = Reline::IOGate.get_screen_size
+      # exclude the input line from calculation
+      output_exceeds_screen = (screen_height - 1) * screen_width < Reline::Unicode.calculate_width(str, true)
+
+      if output_exceeds_screen
+        RDoc::RI::Driver.new.page do |io|
+          io.write(str)
+        end
+      end
+
       if multiline_p && @context.newline_before_multiline_output?
         printf @context.return_format, "\n#{str}"
       else