public override void ExecuteDefaultActionAtTarget(EventBase evt)
{
base.ExecuteDefaultActionAtTarget(evt);
if (evt.GetEventTypeId() == MouseDownEvent.TypeId())
{
OnMouseDown(evt as MouseDownEvent);
}
else if (evt.GetEventTypeId() == MouseUpEvent.TypeId())
{
OnMouseUp(evt as MouseUpEvent);
}
else if (evt.GetEventTypeId() == MouseMoveEvent.TypeId())
{
OnMouseMove(evt as MouseMoveEvent);
}
else if (evt.GetEventTypeId() == KeyDownEvent.TypeId())
{
OnKeyDown(evt as KeyDownEvent);
}
else if (evt.GetEventTypeId() == IMGUIEvent.TypeId())
{
OnIMGUIEvent(evt as IMGUIEvent);
}
}
internal void Dispatch(EventBase evt, IPanel panel, DispatchMode dispatchMode)
{
evt.MarkReceivedByDispatcher();
if (evt.GetEventTypeId() == IMGUIEvent.TypeId())
{
Event e = evt.imguiEvent;
if (e.type == EventType.Repaint)
{
return;
}
}
if (dispatchImmediately || (dispatchMode == DispatchMode.Immediate))
{
ProcessEvent(evt, panel);
}
else
{
evt.Acquire();
m_Queue.Enqueue(new EventRecord {
m_Event = evt, m_Panel = panel
});
}
}
public void DispatchEvent(EventBase evt, IPanel panel)
{
if (evt.GetEventTypeId() == IMGUIEvent.TypeId())
{
Event e = evt.imguiEvent;
if (e.type == EventType.Repaint)
{
return;
}
}
if (panel != null && panel.panelDebug != null && panel.panelDebug.enabled && panel.panelDebug.interceptEvents != null)
{
if (panel.panelDebug.interceptEvents(evt.imguiEvent))
{
evt.StopPropagation();
return;
}
}
IMouseEvent mouseEvent = evt as IMouseEvent;
IMouseEventInternal mouseEventInternal = evt as IMouseEventInternal;
if (mouseEvent != null && mouseEventInternal != null && mouseEventInternal.hasUnderlyingPhysicalEvent)
{
m_LastMousePosition = mouseEvent.mousePosition;
}
bool eventHandled = false;
// Release mouse capture if capture element is not in a panel.
VisualElement captureVE = MouseCaptureController.mouseCapture as VisualElement;
if (evt.GetEventTypeId() != MouseCaptureOutEvent.TypeId() && captureVE != null && captureVE.panel == null)
{
Event e = evt.imguiEvent;
Debug.Log(String.Format("Capture has no panel, forcing removal (capture={0} eventType={1})", MouseCaptureController.mouseCapture, e != null ? e.type.ToString() : "null"));
MouseCaptureController.ReleaseMouseCapture();
}
// Send all IMGUI events (for backward compatibility) and MouseEvents with null target (because thats what we want to do in the new system)
// to the capture, if there is one. Note that events coming from IMGUI have their target set to null.
bool sendEventToMouseCapture = false;
bool mouseEventWasCaptured = false;
if (MouseCaptureController.mouseCapture != null)
{
if (evt.imguiEvent != null && evt.target == null)
{
// Non exclusive processing by capturing element.
sendEventToMouseCapture = true;
mouseEventWasCaptured = false;
}
if (mouseEvent != null && (evt.target == null || evt.target == MouseCaptureController.mouseCapture))
{
// Exclusive processing by capturing element.
sendEventToMouseCapture = true;
mouseEventWasCaptured = true;
}
if (panel != null)
{
if (captureVE != null && captureVE.panel.contextType != panel.contextType)
{
// Capturing element is not in the right context. Ignore it.
sendEventToMouseCapture = false;
mouseEventWasCaptured = false;
}
}
}
evt.skipElement = null;
if (sendEventToMouseCapture)
{
IEventHandler originalCaptureElement = MouseCaptureController.mouseCapture;
eventHandled = true;
evt.dispatch = true;
evt.target = MouseCaptureController.mouseCapture;
evt.currentTarget = MouseCaptureController.mouseCapture;
evt.propagationPhase = PropagationPhase.AtTarget;
MouseCaptureController.mouseCapture.HandleEvent(evt);
// Do further processing with a target computed the usual way.
// However, if mouseEventWasCaptured, the only thing remaining to do is ExecuteDefaultAction,
// which whould be done with mouseCapture as the target.
if (!mouseEventWasCaptured)
{
evt.target = null;
}
evt.currentTarget = null;
evt.propagationPhase = PropagationPhase.None;
evt.dispatch = false;
// Do not call HandleEvent again for this element.
evt.skipElement = originalCaptureElement;
}
if (!mouseEventWasCaptured && !evt.isPropagationStopped)
{
if (evt is IKeyboardEvent && panel != null)
{
eventHandled = true;
if (panel.focusController.focusedElement != null)
{
IMGUIContainer imguiContainer = panel.focusController.focusedElement as IMGUIContainer;
if (imguiContainer != null)
{
// THINK ABOUT THIS PF: shoudln't we allow for the capture dispatch phase?
if (imguiContainer != evt.skipElement && imguiContainer.HandleIMGUIEvent(evt.imguiEvent))
{
evt.StopPropagation();
evt.PreventDefault();
}
}
else
{
evt.target = panel.focusController.focusedElement;
PropagateEvent(evt);
}
}
else
{
evt.target = panel.visualTree;
PropagateEvent(evt);
if (!evt.isPropagationStopped)
{
PropagateToIMGUIContainer(panel.visualTree, evt);
}
}
}
else if (mouseEvent != null)
{
// FIXME: we should not change hover state when capture is true.
// However, when doing drag and drop, drop target should be highlighted.
// TODO when EditorWindow is docked MouseLeaveWindow is not always sent
// this is a problem in itself but it could leave some elements as "hover"
if (evt.GetEventTypeId() == MouseLeaveWindowEvent.TypeId())
{
VisualElement currentTopElementUnderMouse = m_TopElementUnderMouse;
m_TopElementUnderMouse = null;
DispatchMouseEnterMouseLeave(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
DispatchMouseOverMouseOut(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
}
else if (evt.GetEventTypeId() == DragExitedEvent.TypeId())
{
VisualElement currentTopElementUnderMouse = m_TopElementUnderMouse;
m_TopElementUnderMouse = null;
DispatchDragEnterDragLeave(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
}
// update element under mouse and fire necessary events
else
{
VisualElement currentTopElementUnderMouse = m_TopElementUnderMouse;
if (evt.target == null && panel != null)
{
m_TopElementUnderMouse = panel.Pick(mouseEvent.mousePosition);
evt.target = m_TopElementUnderMouse;
}
if (evt.target != null)
{
eventHandled = true;
PropagateEvent(evt);
}
if (evt.GetEventTypeId() == MouseMoveEvent.TypeId() ||
evt.GetEventTypeId() == MouseDownEvent.TypeId() ||
evt.GetEventTypeId() == MouseUpEvent.TypeId() ||
evt.GetEventTypeId() == MouseEnterWindowEvent.TypeId() ||
evt.GetEventTypeId() == WheelEvent.TypeId())
{
DispatchMouseEnterMouseLeave(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
DispatchMouseOverMouseOut(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
}
else if (evt.GetEventTypeId() == DragUpdatedEvent.TypeId())
{
DispatchDragEnterDragLeave(currentTopElementUnderMouse, m_TopElementUnderMouse, mouseEvent);
}
}
}
else if (panel != null && evt is ICommandEvent)
{
IMGUIContainer imguiContainer = panel.focusController.focusedElement as IMGUIContainer;
eventHandled = true;
if (imguiContainer != null)
{
if (imguiContainer != evt.skipElement && imguiContainer.HandleIMGUIEvent(evt.imguiEvent))
{
evt.StopPropagation();
evt.PreventDefault();
}
}
else if (panel.focusController.focusedElement != null)
{
evt.target = panel.focusController.focusedElement;
PropagateEvent(evt);
}
else
{
PropagateToIMGUIContainer(panel.visualTree, evt);
}
}
else if (evt is IPropagatableEvent ||
evt is IFocusEvent ||
evt is IChangeEvent ||
evt.GetEventTypeId() == InputEvent.TypeId() ||
evt.GetEventTypeId() == GeometryChangedEvent.TypeId())
{
Debug.Assert(evt.target != null);
eventHandled = true;
PropagateEvent(evt);
}
}
if (!mouseEventWasCaptured && !evt.isPropagationStopped && panel != null)
{
Event e = evt.imguiEvent;
if (!eventHandled || (e != null && e.type == EventType.Used) ||
evt.GetEventTypeId() == MouseEnterWindowEvent.TypeId() ||
evt.GetEventTypeId() == MouseLeaveWindowEvent.TypeId())
{
PropagateToIMGUIContainer(panel.visualTree, evt);
}
}
if (evt.target == null && panel != null)
{
evt.target = panel.visualTree;
}
ExecuteDefaultAction(evt);
}