From 356228d4d48bb597399ed1f0f0cec71237040517 Mon Sep 17 00:00:00 2001
From: Phantom <salvini.michael01@gmail.com>
Date: Fri, 15 May 2026 00:00:05 +0200
Subject: [PATCH] Initial Keyboard and Gamepad support on Slider Control

---
 Source/Engine/UI/GUI/Common/Slider.cs | 50 +++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/Source/Engine/UI/GUI/Common/Slider.cs b/Source/Engine/UI/GUI/Common/Slider.cs
index 8c7b022fe..f1f33732e 100644
--- a/Source/Engine/UI/GUI/Common/Slider.cs
+++ b/Source/Engine/UI/GUI/Common/Slider.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
 using System;
+using System.Collections.Generic;
 
 namespace FlaxEngine.GUI;
 
@@ -408,6 +409,40 @@ public class Slider : ContainerControl
         base.OnLostFocus();
     }
 
+    /// <inheritdoc />
+    public override Control OnNavigate(NavDirection direction, Float2 location, Control caller, List<Control> visited)
+    {
+        bool _isHorizontal = Direction is SliderDirection.HorizontalRight or SliderDirection.HorizontalLeft;
+
+        float keyOrGamepadPosition = _isHorizontal ? location.X : location.Y;
+
+        if (_thumbRect.Contains(ref location))
+        {
+            // Start sliding
+            _isSliding = true;
+            SlidingStart?.Invoke();
+            return this;
+        }
+        else
+        {
+            Value += (keyOrGamepadPosition < _thumbCenter ? -1 : 1) * 10;
+        }
+
+        return base.OnNavigate(direction, location, caller, visited);
+    }
+
+    /// <inheritdoc />
+    public override bool OnKeyDown(KeyboardKeys key)
+    {
+        if (key == KeyboardKeys.Escape)
+        {
+            Defocus();
+            return true;
+        }
+
+        return base.OnKeyDown(key);
+    }
+
     /// <inheritdoc />
     public override bool OnMouseDown(Float2 location, MouseButton button)
     {
@@ -443,6 +478,21 @@ public class Slider : ContainerControl
         return base.OnMouseDown(location, button);
     }
 
+    /// <inheritdoc />
+    public override bool OnTouchDown(Float2 location, int pointerId)
+    {
+        if (base.OnTouchDown(location, pointerId))
+            return true;
+
+        if (!new Rectangle(Float2.Zero, Size).Contains(ref location))
+        {
+            Defocus();
+            return true;
+        }
+
+        return false;
+    }
+
     /// <inheritdoc />
     public override void OnMouseMove(Float2 location)
     {