bool TryToPickInCanvas(Vector2 mousePosition)
{
var localMouse = m_Canvas.WorldToLocal(mousePosition);
if (!m_Canvas.ContainsPoint(localMouse))
{
m_ParentTracker.Deactivate();
return(false);
}
var pickedElement = Panel.PickAllWithoutValidatingLayout(m_Canvas, mousePosition);
// Don't allow selection of elements inside template instances.
pickedElement = pickedElement.GetClosestElementPartOfCurrentDocument();
// Get Closest valid element.
pickedElement = pickedElement.GetClosestElementThatIsValid(IsPickedElementValid);
if (pickedElement == null)
{
m_ParentTracker.Deactivate();
return(false);
}
m_LastHoverElement = pickedElement;
m_ParentTracker.Activate(pickedElement);
return(true);
}
bool TryToPickInCanvas(Vector2 mousePosition)
{
if (viewport == null)
{
return(false);
}
var localMouse = m_Canvas.WorldToLocal(mousePosition);
if (!m_Canvas.ContainsPoint(localMouse))
{
m_ParentTracker?.Deactivate();
m_PlacementIndicator?.Deactivate();
return(false);
}
var pickedElement = Panel.PickAllWithoutValidatingLayout(m_Canvas, mousePosition);
// Don't allow selection of elements inside template instances or outside current active document.
pickedElement = pickedElement.GetClosestElementPartOfCurrentDocument();
if (pickedElement != null && !pickedElement.IsPartOfActiveVisualTreeAsset(m_PaneWindow.document))
{
pickedElement = null;
}
// Get Closest valid element.
pickedElement = pickedElement.GetClosestElementThatIsValid(IsPickedElementValid);
if (pickedElement == null)
{
m_ParentTracker?.Deactivate();
m_PlacementIndicator?.Deactivate();
m_LastHoverElement = null;
return(false);
}
// The placement indicator might decide to change the parent.
if (SupportsPlacementIndicator() && m_PlacementIndicator != null)
{
m_PlacementIndicator.Activate(pickedElement, mousePosition);
pickedElement = m_PlacementIndicator.parentElement;
}
m_ParentTracker.Activate(pickedElement);
m_LastHoverElement = pickedElement;
if (SupportsPlacementIndicator() && m_PlacementIndicator != null)
{
m_LastHoverElementChildIndex = m_PlacementIndicator.indexWithinParent;
}
return(true);
}
int InsertionIndex(Vector2 pos)
{
int index = -1;
VisualElement owner = contentContainer != null ? contentContainer : this;
Vector2 localPos = this.ChangeCoordinatesTo(owner, pos);
if (owner.ContainsPoint(localPos))
{
index = 0;
foreach (VisualElement child in Children())
{
Rect rect = child.layout;
if (localPos.y > (rect.y + rect.height / 2))
{
++index;
}
else
{
break;
}
}
}
return(index);
}
int InsertionIndex(Vector2 pos)
{
VisualElement owner = contentContainer != null ? contentContainer : this;
Vector2 localPos = this.ChangeCoordinatesTo(owner, pos);
if (owner.ContainsPoint(localPos))
{
int defaultCatIndex = IndexOf(m_DefaultCategory);
for (int i = defaultCatIndex + 1; i < childCount; ++i)
{
VFXBlackboardCategory cat = ElementAt(i) as VFXBlackboardCategory;
if (cat == null)
{
return i;
}
Rect rect = cat.layout;
if (localPos.y <= (rect.y + rect.height / 2))
{
return i;
}
}
return childCount;
}
return -1;
}
protected override void ExecuteDefaultActionAtTarget(EventBase evt)
{
base.ExecuteDefaultActionAtTarget(evt);
if (evt == null)
{
return;
}
var showEnumMenu = false;
KeyDownEvent kde = (evt as KeyDownEvent);
if (kde != null)
{
if ((kde.keyCode == KeyCode.Space) ||
(kde.keyCode == KeyCode.KeypadEnter) ||
(kde.keyCode == KeyCode.Return))
{
showEnumMenu = true;
}
}
else if ((evt as MouseDownEvent)?.button == (int)MouseButton.LeftMouse)
{
var mde = (MouseDownEvent)evt;
if (visualInput.ContainsPoint(visualInput.WorldToLocal(mde.mousePosition)))
{
showEnumMenu = true;
}
}
if (showEnumMenu)
{
ShowMenu();
evt.StopPropagation();
}
}
internal static int GetInsertionIndex(VisualElement owner, Vector2 position, IEnumerable <VisualElement> children)
{
var index = -1;
if (owner.ContainsPoint(position))
{
index = 0;
foreach (VisualElement child in children)
{
Rect rect = child.layout;
if (position.y > (rect.y + rect.height / 2))
{
++index;
}
else
{
break;
}
}
}
return(index);
}
public override bool HitTest(Vector2 localPoint)
{
Vector2 mappedPoint = this.ChangeCoordinatesTo(m_HeaderItem, localPoint);
return(m_HeaderItem.ContainsPoint(mappedPoint));
}
/// <summary>
/// Override HitTest to only trigger when they click the title
/// </summary>
public override bool HitTest(Vector2 localPoint)
{
Vector2 mappedPoint = this.ChangeCoordinatesTo(titleContainer, localPoint);
return(titleContainer.ContainsPoint(mappedPoint));
}
static bool CanPickInExplorerRoot(Vector2 mousePosition, VisualElement explorerRoot)
{
return(explorerRoot != null && explorerRoot.ContainsPoint(explorerRoot.WorldToLocal(mousePosition)));
}
