1.8.4: History received a fix for startup issue, increased entry size, and context menu options

- Set selection active in history is now a toggleable feature in the context menu
- Increased number of entries in history from 32 to 64
- Clear entries moved to context menu in history
- Fixed issue, where history didn't work on first startup

Editor/History/Utilities/EditorHistoryGUIUtility.cs

@@ -0,0 +1,98 @@
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace Module.NavigationTool.Editor.History
+{
+    internal static class EditorHistoryGUIUtility
+    {
+        private static readonly int ENTRY_HASH = "DrawHistoryEntry".GetHashCode();
+
+        public static bool isClicked;
+        public static bool isDoubleClick;
+        public static EditorHistoryList.Entry currentEntry;
+        
+        private static EditorHistoryList.Entry LAST_CLICK_ENTRY;
+        private static double LAST_CLICK_TIME;
+        private static int CLICK_COUNT;
+
+        public static void DrawEntry(Rect rect, EditorHistoryList.Entry entry, Styles styles, bool ignoreIndentLevel = false)
+        {
+            int id = GUIUtility.GetControlID(ENTRY_HASH, FocusType.Passive, rect);
+            bool on = currentEntry == entry;
+            bool intersects = rect.Contains(Event.current.mousePosition);
+            
+            switch (Event.current.type)
+            {
+                case EventType.MouseDown:
+                    if (intersects)
+                    {
+                        currentEntry = entry;
+                        Event.current.Use();
+                    }
+                    break;
+                case EventType.MouseUp:
+                    if (currentEntry == entry)
+                    {
+                        isClicked = intersects;
+
+                        if (isClicked)
+                        {
+                            double dt = EditorApplication.timeSinceStartup - LAST_CLICK_TIME;
+
+                            if (dt < 0.3 && CLICK_COUNT == 1 && LAST_CLICK_ENTRY == entry)
+                                CLICK_COUNT++;
+                            else
+                                CLICK_COUNT = 1;
+
+                            LAST_CLICK_ENTRY = entry;
+                            LAST_CLICK_TIME = EditorApplication.timeSinceStartup;
+                            isDoubleClick = CLICK_COUNT == 2;
+                        }
+                        else
+                        {
+                            currentEntry = null;
+                        }
+
+                        if (!isClicked)
+                            currentEntry = null;
+                        
+                        Event.current.Use();
+                    }
+                    break;
+                case EventType.Repaint:
+                    Vector2 oldSize = EditorGUIUtility.GetIconSize();
+                    EditorGUIUtility.SetIconSize(new Vector2(rect.height, rect.height));
+                    GUIStyle style = entry.valid ? styles.entry : styles.invalidEntry;
+                    style.Draw(rect, entry.content, id, on, intersects);
+                    EditorGUIUtility.SetIconSize(oldSize);
+                    break;
+            }
+        }
+
+        public static void Used()
+        {
+            isClicked = false;
+            currentEntry = null;
+        }
+        
+        public static Texture2D GetIcon(string path)
+        {
+            var texture = AssetDatabase.GetCachedIcon(path) as Texture2D;
+            
+            if (texture == null)
+                texture = InternalEditorUtility.GetIconForFile(path);
+
+            return texture;
+        }
+
+        public static void Repaint()
+        {
+            if (!EditorWindow.HasOpenInstances<EditorHistoryWindow>())
+                return;
+            
+            var window = EditorWindow.GetWindow<EditorHistoryWindow>("History", false);
+            window.Repaint();
+        }
+    }
+}