From 7bb5ffc2a416d5a514b1d1df770a106a47a0eb72 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 4 May 2022 20:16:29 +0200
Subject: [PATCH] Fix copy pasting multi-line text into a single-line textbox

---
 Source/Engine/UI/GUI/Common/TextBoxBase.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/Engine/UI/GUI/Common/TextBoxBase.cs b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
index cd08bbdf7..cba63eae3 100644
--- a/Source/Engine/UI/GUI/Common/TextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
@@ -619,6 +619,8 @@ namespace FlaxEngine.GUI
             // Filter text
             if (str.IndexOf('\r') != -1)
                 str = str.Replace("\r", "");
+            if (!IsMultiline && str.IndexOf('\n') != -1)
+                str = str.Replace("\n", "");
 
             int selectionLength = SelectionLength;
             int charactersLeft = MaxLength - _text.Length + selectionLength;