add some QOL Features to the CategorizedEnumPopup

Author: Markus

Editor/CategorizedEnumPopup.cs

@@ -49,7 +49,7 @@ public CategorizedEnumPopup(char delimiter, bool showFullPath, string[] enumName
 
             // setup the search field
             searchField = new SearchField();
-            searchField.downOrUpArrowKeyPressed += treeView.SetFocus;
+            searchField.downOrUpArrowKeyPressed += treeView.SetFocusAndEnsureSelectedItem;
             searchField.SetFocus();
 
             // set the window width that should be used.
@@ -131,6 +131,14 @@ public override void OnGUI(Rect rect) {
                 GUI.FocusControl("searchString");
                 firstRun = false;
             }
+
+            // close window on pressing esc or enter (enter only when searchfield has no focus)
+            Event ev = Event.current;
+            if ((ev.type == EventType.KeyDown || ev.type == EventType.KeyUp) && (ev.keyCode == KeyCode.Escape || ev.keyCode == KeyCode.Return)) {
+                if (ev.keyCode != KeyCode.Return || !searchField.HasFocus()) {
+                    editorWindow.Close();
+                }
+            }
         }
     }
 }