Disable game input when scrolling in EditWindows

src/MicroEngineer/UI/EditWindowsController.cs

@@ -54,7 +54,9 @@ private System.Collections.IEnumerator StartInitialization()
             CloseButton = Root.Q<Button>("close-button");
             CloseButton.RegisterCallback<PointerUpEvent>(_ => CloseWindow());
             AvailableScrollView = Root.Q<ScrollView>("available-scrollview");
+            AvailableScrollView.StopMouseEventsToGameInputPropagation();
             InstalledScrollView = Root.Q<ScrollView>("installed-scrollview");
+            InstalledScrollView.StopMouseEventsToGameInputPropagation();
             CategoryDropdown = Root.Q<DropdownField>("category__dropdown");
             SelectedWindow = Root.Q<TextField>("selected-window");
             SelectedWindow.RegisterValueChangedCallback(RenameWindow);

src/MicroEngineer/Utilities/UiToolkitExtensions.cs

@@ -0,0 +1,85 @@
+using KSP.Game;
+using UnityEngine.UIElements;
+
+namespace MicroEngineer.Utilities;
+
+/// <summary>
+/// Taken from Science Arkive: https://github.com/Kerbalight/ScienceArkive/blob/main/src/ScienceArkive/API/Extensions/UIToolkitExtensions.cs#L19
+/// </summary>
+public static class UIToolkitExtensions
+{
+    public static GameInstance Game => GameManager.Instance.Game;
+
+    /// <summary>
+    /// Stop the mouse events (scroll and click) from propagating to the game (e.g. zoom).
+    /// The only place where the Click still doesn't get stopped is in the MapView, neither the Focus or the Orbit mouse events.
+    /// </summary>
+    /// <param name="element"></param>
+    public static void StopMouseEventsToGameInputPropagation(this VisualElement element)
+    {
+        element.RegisterCallback<PointerEnterEvent>(OnVisualElementPointerEnter);
+        element.RegisterCallback<PointerLeaveEvent>(OnVisualElementPointerLeave);
+    }
+
+    private static void OnVisualElementPointerEnter(PointerEnterEvent evt)
+    {
+        Game.Input.Flight.CameraZoom.Disable();
+        Game.Input.Flight.mouseDoubleTap.Disable();
+        Game.Input.Flight.mouseSecondaryTap.Disable();
+
+        Game.Input.MapView.cameraZoom.Disable();
+        Game.Input.MapView.Focus.Disable();
+        Game.Input.MapView.mousePrimary.Disable();
+        Game.Input.MapView.mouseSecondary.Disable();
+        Game.Input.MapView.mouseTertiary.Disable();
+        Game.Input.MapView.mousePosition.Disable();
+
+        Game.Input.VAB.cameraZoom.Disable();
+        Game.Input.VAB.mousePrimary.Disable();
+        Game.Input.VAB.mouseSecondary.Disable();
+    }
+
+    private static void OnVisualElementPointerLeave(PointerLeaveEvent evt)
+    {
+        Game.Input.Flight.CameraZoom.Enable();
+        Game.Input.Flight.mouseDoubleTap.Enable();
+        Game.Input.Flight.mouseSecondaryTap.Enable();
+
+        Game.Input.MapView.cameraZoom.Enable();
+        Game.Input.MapView.Focus.Enable();
+        Game.Input.MapView.mousePrimary.Enable();
+        Game.Input.MapView.mouseSecondary.Enable();
+        Game.Input.MapView.mouseTertiary.Enable();
+        Game.Input.MapView.mousePosition.Enable();
+
+        Game.Input.VAB.cameraZoom.Enable();
+        Game.Input.VAB.mousePrimary.Enable();
+        Game.Input.VAB.mouseSecondary.Enable();
+    }
+
+    /// <summary>
+    /// Checks if the visual element that is a container lost focus to an element outside of it
+    /// </summary>
+    public static bool HasContainerLostFocus(this VisualElement container, VisualElement targetOfFocusOutEvent)
+    {
+        if (targetOfFocusOutEvent == null)
+            return true;
+
+        if (targetOfFocusOutEvent == container)
+            return false;
+
+        if (targetOfFocusOutEvent.parent == null)
+            return true;
+
+        if (targetOfFocusOutEvent.parent == container)
+            return false;
+
+        if (targetOfFocusOutEvent.parent.parent == null)
+            return true;
+
+        if (targetOfFocusOutEvent.parent.parent == container)
+            return false;
+
+        return true;
+    }
+}