Finish GameObject Inspector, start Search page, some other UI changes/fixes

src/UI/Shared/SliderScrollbar.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.UI;
+using UnityExplorer;
+using UnityExplorer.Helpers;
+
+// Basically just to fix an issue with Scrollbars, instead we use a Slider as the scrollbar.
+// This class contains only what is needed to update and manage one after creation.
+public class SliderScrollbar
+{
+	internal static readonly List<SliderScrollbar> Instances = new List<SliderScrollbar>();
+
+	internal readonly Scrollbar m_scrollbar;
+	internal readonly Slider m_slider;
+
+	public SliderScrollbar(Scrollbar scrollbar, Slider slider)
+    {
+		Instances.Add(this);
+
+		this.m_scrollbar = scrollbar;
+		this.m_slider = slider;
+
+#if MONO
+		this.m_scrollbar.onValueChanged.AddListener(this.OnScrollbarValueChanged);
+		this.m_slider.onValueChanged.AddListener(this.OnSliderValueChanged);
+#else
+		this.m_scrollbar.onValueChanged.AddListener(new Action<float>(this.OnScrollbarValueChanged));
+		this.m_slider.onValueChanged.AddListener(new Action<float>(this.OnSliderValueChanged));
+#endif
+
+		this.RefreshVisibility();
+		this.m_slider.Set(1f, false);
+	}
+
+	internal void Update()
+	{
+		this.RefreshVisibility();
+	}
+
+	internal void RefreshVisibility()
+	{
+		if (this.m_slider && this.m_scrollbar)
+		{
+            bool shouldShow = !Mathf.Approximately(this.m_scrollbar.size, 1);
+            var obj = this.m_slider.handleRect.gameObject;
+
+            if (obj.activeSelf != shouldShow)
+            {
+                obj.SetActive(shouldShow);
+
+                if (shouldShow)
+					this.m_slider.Set(this.m_scrollbar.value, false);
+				else
+                    m_slider.Set(1f, false);
+            }
+        }
+	}
+
+	public void OnScrollbarValueChanged(float _value)
+	{
+		//this.RefreshVisibility();
+		if (this.m_slider && this.m_slider.value != _value)
+		{
+			this.m_slider.Set(_value, false);
+		}
+	}
+
+	public void OnSliderValueChanged(float _value)
+	{
+		if (this.m_scrollbar)
+		{
+			this.m_scrollbar.value = _value;
+		}
+	}
+}
+
+#if MONO
+public static class SliderExtensions
+{
+	// il2cpp can just use the orig method directly (forced public)
+
+	private static MethodInfo m_setMethod;
+	private static MethodInfo SetMethod
+    {
+		get
+        {
+			if (m_setMethod == null)
+            {
+				m_setMethod = typeof(Slider).GetMethod("Set", ReflectionHelpers.CommonFlags, null, new[] { typeof(float), typeof(bool) }, null);
+            }
+			return m_setMethod;
+        }
+	}
+
+	public static void Set(this Slider slider, float value, bool invokeCallback)
+	{
+		SetMethod.Invoke(slider, new object[] { value, invokeCallback });
+	}
+}
+#endif