From 616379c54b5f0306645d29bd1450b47329b2f330 Mon Sep 17 00:00:00 2001
From: Chandler Cox <mr.chandlercox@gmail.com>
Date: Mon, 24 Oct 2022 14:00:56 -0500
Subject: [PATCH 1/2] Added an event to subscribe to in TextBoxBase that gets
 fired when a key is down.

---
 Source/Engine/UI/GUI/Common/TextBoxBase.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/Engine/UI/GUI/Common/TextBoxBase.cs b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
index 41d8b9b44..0930fa138 100644
--- a/Source/Engine/UI/GUI/Common/TextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
@@ -129,6 +129,11 @@ namespace FlaxEngine.GUI
         /// </summary>
         public event Action<TextBoxBase> TextBoxEditEnd;
 
+        /// <summary>
+        /// Event fired when a key is down.
+        /// </summary>
+        public event Action<KeyboardKeys> KeyDown;
+
         /// <summary>
         /// Gets or sets a value indicating whether this is a multiline text box control.
         /// </summary>
@@ -1174,6 +1179,7 @@ namespace FlaxEngine.GUI
             var window = Root;
             bool shiftDown = window.GetKey(KeyboardKeys.Shift);
             bool ctrDown = window.GetKey(KeyboardKeys.Control);
+            KeyDown?.Invoke(key);
 
             switch (key)
             {

From a79b64261398216f40f2dc6126a0b8c11cf2a01a Mon Sep 17 00:00:00 2001
From: Chandler Cox <mr.chandlercox@gmail.com>
Date: Mon, 24 Oct 2022 14:11:34 -0500
Subject: [PATCH 2/2] Added KeyUp event in TextBoxBase

---
 Source/Engine/UI/GUI/Common/TextBoxBase.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Source/Engine/UI/GUI/Common/TextBoxBase.cs b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
index 0930fa138..92ea513a6 100644
--- a/Source/Engine/UI/GUI/Common/TextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/TextBoxBase.cs
@@ -134,6 +134,11 @@ namespace FlaxEngine.GUI
         /// </summary>
         public event Action<KeyboardKeys> KeyDown;
 
+        /// <summary>
+        /// Event fired when a key is up.
+        /// </summary>
+        public event Action<KeyboardKeys> KeyUp; 
+
         /// <summary>
         /// Gets or sets a value indicating whether this is a multiline text box control.
         /// </summary>
@@ -1173,6 +1178,13 @@ namespace FlaxEngine.GUI
             return true;
         }
 
+        /// <inheritdoc />
+        public override void OnKeyUp(KeyboardKeys key)
+        {
+            base.OnKeyUp(key);
+            KeyUp?.Invoke(key);
+        }
+
         /// <inheritdoc />
         public override bool OnKeyDown(KeyboardKeys key)
         {