You're breathtaking!

Source/Editor/CustomEditors/Elements/TextBoxElement.cs

@@ -0,0 +1,41 @@
+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using FlaxEngine.GUI;
+
+namespace FlaxEditor.CustomEditors.Elements
+{
+    /// <summary>
+    /// The textbox element.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.CustomEditors.LayoutElement" />
+    public class TextBoxElement : LayoutElement
+    {
+        /// <summary>
+        /// The text box.
+        /// </summary>
+        public readonly TextBox TextBox;
+
+        /// <summary>
+        /// Gets or sets the text.
+        /// </summary>
+        public string Text
+        {
+            get => TextBox.Text;
+            set => TextBox.Text = value;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="TextBoxElement"/> class.
+        /// </summary>
+        /// <param name="isMultiline">Enable/disable multiline text input support</param>
+        public TextBoxElement(bool isMultiline = false)
+        {
+            TextBox = new TextBox(isMultiline, 0, 0);
+            if (isMultiline)
+                TextBox.Height = TextBox.DefaultHeight * 4;
+        }
+
+        /// <inheritdoc />
+        public override Control Control => TextBox;
+    }
+}