From 9caf80bdc98658345ac020ffc8d43ab92c07cfe7 Mon Sep 17 00:00:00 2001
From: Wojciech Figat <wojtek@figat.pl>
Date: Fri, 5 Aug 2022 14:38:18 +0200
Subject: [PATCH] Add option to disable text clipping in text boxes

---
 Source/Engine/UI/GUI/Common/RichTextBoxBase.cs | 6 ++++--
 Source/Engine/UI/GUI/Common/TextBox.cs         | 6 ++++--
 Source/Engine/UI/GUI/Common/TextBoxBase.cs     | 6 ++++++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
index eb83d2a55..bfddc966c 100644
--- a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
@@ -235,7 +235,8 @@ namespace FlaxEngine.GUI
             Render2D.DrawRectangle(rect, IsFocused ? BorderSelectedColor : BorderColor);
 
             // Apply view offset and clip mask
-            Render2D.PushClip(TextClipRectangle);
+            if (ClipText)
+                Render2D.PushClip(TextClipRectangle);
             bool useViewOffset = !_viewOffset.IsZero;
             if (useViewOffset)
                 Render2D.PushTransform(Matrix3x3.Translation2D(-_viewOffset));
@@ -355,7 +356,8 @@ namespace FlaxEngine.GUI
             // Restore rendering state
             if (useViewOffset)
                 Render2D.PopTransform();
-            Render2D.PopClip();
+            if (ClipText)
+                Render2D.PopClip();
         }
 
         /// <inheritdoc />
diff --git a/Source/Engine/UI/GUI/Common/TextBox.cs b/Source/Engine/UI/GUI/Common/TextBox.cs
index a9ef5a72f..77ca2a258 100644
--- a/Source/Engine/UI/GUI/Common/TextBox.cs
+++ b/Source/Engine/UI/GUI/Common/TextBox.cs
@@ -158,7 +158,8 @@ namespace FlaxEngine.GUI
             Render2D.DrawRectangle(rect, IsFocused ? BorderSelectedColor : BorderColor);
 
             // Apply view offset and clip mask
-            Render2D.PushClip(TextClipRectangle);
+            if (ClipText)
+                Render2D.PushClip(TextClipRectangle);
             bool useViewOffset = !_viewOffset.IsZero;
             if (useViewOffset)
                 Render2D.PushTransform(Matrix3x3.Translation2D(-_viewOffset));
@@ -226,7 +227,8 @@ namespace FlaxEngine.GUI
             // Restore rendering state
             if (useViewOffset)
                 Render2D.PopTransform();
-            Render2D.PopClip();
+            if (ClipText)
+                Render2D.PopClip();
         }
 
         /// <inheritdoc />
diff --git a/Source/Engine/UI/GUI/Common/TextBoxBase.cs b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
index 7651f5031..d4fc42d39 100644
--- a/Source/Engine/UI/GUI/Common/TextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
@@ -192,6 +192,12 @@ namespace FlaxEngine.GUI
             }
         }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether apply clipping mask on text during rendering.
+        /// </summary>
+        [EditorOrder(529)]
+        public bool ClipText { get; set; } = true;
+
         /// <summary>
         /// Gets or sets textbox background color when the control is selected (has focus).
         /// </summary>