From 73bbe63c1ebca6663c9dc49e3aebfec95a2e353f Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Fri, 4 Aug 2023 13:10:36 +0200
Subject: [PATCH] Missing change for 05d477d6c8552434fa4538e162a7549899740b38

---
 Source/Editor/Surface/VisjectSurface.Input.cs | 10 +++++++++-
 Source/Editor/Surface/VisjectSurface.cs       | 16 +++++++++-------
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/Source/Editor/Surface/VisjectSurface.Input.cs b/Source/Editor/Surface/VisjectSurface.Input.cs
index 7264321c3..ecc29d74f 100644
--- a/Source/Editor/Surface/VisjectSurface.Input.cs
+++ b/Source/Editor/Surface/VisjectSurface.Input.cs
@@ -115,15 +115,23 @@ namespace FlaxEditor.Surface
             var p1 = _rootControl.PointFromParent(ref _leftMouseDownPos);
             var p2 = _rootControl.PointFromParent(ref _mousePos);
             var selectionRect = Rectangle.FromPoints(p1, p2);
+            var selectionChanged = false;
 
             // Find controls to select
             for (int i = 0; i < _rootControl.Children.Count; i++)
             {
                 if (_rootControl.Children[i] is SurfaceControl control)
                 {
-                    control.IsSelected = control.IsSelectionIntersecting(ref selectionRect);
+                    var select = control.IsSelectionIntersecting(ref selectionRect);
+                    if (select != control.IsSelected)
+                    {
+                        control.IsSelected = select;
+                        selectionChanged = true;
+                    }
                 }
             }
+            if (selectionChanged)
+                SelectionChanged?.Invoke();
         }
 
         private void OnSurfaceControlSpawned(SurfaceControl control)
diff --git a/Source/Editor/Surface/VisjectSurface.cs b/Source/Editor/Surface/VisjectSurface.cs
index a0dc4a955..675598b16 100644
--- a/Source/Editor/Surface/VisjectSurface.cs
+++ b/Source/Editor/Surface/VisjectSurface.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using FlaxEditor.GUI;
 using FlaxEditor.GUI.Drag;
 using FlaxEditor.Options;
@@ -600,7 +601,7 @@ namespace FlaxEditor.Surface
             bool selectionChanged = false;
             for (int i = 0; i < _rootControl.Children.Count; i++)
             {
-                if (_rootControl.Children[i] is SurfaceControl control)
+                if (_rootControl.Children[i] is SurfaceControl control && control.IsSelected)
                 {
                     control.IsSelected = false;
                     selectionChanged = true;
@@ -652,11 +653,13 @@ namespace FlaxEditor.Surface
         /// <param name="controls">The controls.</param>
         public void Select(IEnumerable<SurfaceControl> controls)
         {
+            var newSelection = controls.ToList();
+            var prevSelection = SelectedControls;
+            if (Utils.ArraysEqual(newSelection, prevSelection))
+                return;
             ClearSelection();
-            foreach (var control in controls)
-            {
+            foreach (var control in newSelection)
                 control.IsSelected = true;
-            }
             SelectionChanged?.Invoke();
         }
 
@@ -666,6 +669,8 @@ namespace FlaxEditor.Surface
         /// <param name="control">The control.</param>
         public void Deselect(SurfaceControl control)
         {
+            if (!control.IsSelected)
+                return;
             control.IsSelected = false;
             SelectionChanged?.Invoke();
         }
@@ -724,11 +729,8 @@ namespace FlaxEditor.Surface
                     Context.OnControlDeleted(control);
                 }
             }
-
             if (selectionChanged)
-            {
                 SelectionChanged?.Invoke();
-            }
 
             if (nodes != null)
             {