public static void Add(GUIViewProxy view, VisualElement child) { if (view.IsDockedToEditor()) { GetVisualTree(view).Add(child); } else { foreach (var visualElement in GetVisualTree(view).Children()) { visualElement.Add(child); } } }
/// <summary> /// Adds a mask for a view. /// </summary> /// <param name="view"></param> /// <param name="child"></param> static void AddMaskToView(GUIViewProxy view, VisualElement child) { // Since 2019.3(?), we must suppress input to the elements behind masks. // TODO Doesn't suppress everything, e.g. tooltips are shown still. child.RegisterCallback <MouseDownEvent>((e) => e.StopPropagation()); child.RegisterCallback <MouseUpEvent>((e) => e.StopPropagation()); child.RegisterCallback <MouseMoveEvent>((e) => e.StopPropagation()); child.RegisterCallback <WheelEvent>((e) => e.StopPropagation()); child.RegisterCallback <PointerDownEvent>((e) => e.StopPropagation()); child.RegisterCallback <PointerUpEvent>((e) => e.StopPropagation()); child.RegisterCallback <PointerMoveEvent>((e) => e.StopPropagation()); child.RegisterCallback <KeyDownEvent>((e) => e.StopPropagation()); child.RegisterCallback <KeyUpEvent>((e) => e.StopPropagation()); if (view.IsDockedToEditor()) { UIElementsHelper.GetVisualTree(view).Add(child); } else { var viewVisualElement = UIElementsHelper.GetVisualTree(view); Debug.Assert( viewVisualElement.Children().Count() == 2 && viewVisualElement.Children().Count(viewChild => viewChild is IMGUIContainer) == 1, "Could not find the expected VisualElement structure" ); foreach (var visualElement in viewVisualElement.Children()) { if (!(visualElement is IMGUIContainer)) { visualElement.Add(child); break; } } } }