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Source/Editor/GUI/ClickableLabel.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using System;
+using FlaxEngine;
+using FlaxEngine.GUI;
+
+namespace FlaxEditor.GUI
+{
+    /// <summary>
+    /// The label that contains events for mouse interaction.
+    /// </summary>
+    /// <seealso cref="FlaxEngine.GUI.Label" />
+    public class ClickableLabel : Label
+    {
+        private bool _leftClick;
+        private bool _isRightDown;
+
+        /// <summary>
+        /// The double click event.
+        /// </summary>
+        public Action DoubleClick;
+
+        /// <summary>
+        /// The left mouse button click event.
+        /// </summary>
+        public Action LeftClick;
+
+        /// <summary>
+        /// The right mouse button click event.
+        /// </summary>
+        public Action RightClick;
+
+        /// <inheritdoc />
+        public override bool OnMouseDoubleClick(Vector2 location, MouseButton button)
+        {
+            DoubleClick?.Invoke();
+
+            return base.OnMouseDoubleClick(location, button);
+        }
+
+        /// <inheritdoc />
+        public override bool OnMouseDown(Vector2 location, MouseButton button)
+        {
+            if (button == MouseButton.Left)
+                _leftClick = true;
+            else if (button == MouseButton.Right)
+                _isRightDown = true;
+
+            return base.OnMouseDown(location, button);
+        }
+
+        /// <inheritdoc />
+        public override bool OnMouseUp(Vector2 location, MouseButton button)
+        {
+            if (button == MouseButton.Left && _leftClick)
+            {
+                _leftClick = false;
+                LeftClick?.Invoke();
+            }
+            else if (button == MouseButton.Right && _isRightDown)
+            {
+                _isRightDown = false;
+                RightClick?.Invoke();
+            }
+
+            return base.OnMouseUp(location, button);
+        }
+
+        /// <inheritdoc />
+        public override void OnMouseLeave()
+        {
+            _leftClick = false;
+            _isRightDown = false;
+
+            base.OnMouseLeave();
+        }
+    }
+}