protected void OnPointerCancel(PointerCancelEvent evt)
{
if (IsNotMouseEvent(evt) && CanStopManipulation(evt))
{
ProcessCancelEvent(evt, evt.pointerId);
}
}
void OnPointerCancelEvent(PointerCancelEvent evt)
{
if (!useDragEvents)
{
ClearDragAndDropUI();
}
}
public void ProcessEvent(EventBase evt)
{
IPointerEvent pe = evt as IPointerEvent;
if (pe == null)
{
return;
}
if (evt.eventTypeId == PointerDownEvent.TypeId() && pe.button == 0)
{
StartClickTracking(evt);
}
else if (evt.eventTypeId == PointerMoveEvent.TypeId())
{
// Button 1 pressed while another button was already pressed.
if (pe.button == 0 && (pe.pressedButtons & 1) == 1)
{
StartClickTracking(evt);
}
// Button 1 released while another button is still pressed.
else if (pe.button == 0 && (pe.pressedButtons & 1) == 0)
{
SendClickEvent(evt);
}
// Pointer moved or other button pressed/released
else
{
var clickStatus = m_ClickStatus[pe.pointerId];
if (clickStatus.m_Target != null)
{
// stop the multi-click sequence on move
clickStatus.m_LastPointerDownTime = 0;
}
}
}
else if (evt.eventTypeId == PointerCancelEvent.TypeId() ||
evt.eventTypeId == DragUpdatedEvent.TypeId()
)
{
CancelClickTracking(evt);
// Note that we don't cancel the click when we have a PointerStationaryEvent anymore. Touch stationary
// events are sent on each frame where the touch doesn't move, starting immediately after the frame
// where the touch begin event occured. If we want to cancel the ClickEvent after the touch has been
// idle for some time, then we need to manually track the duration of the stationary phase.
}
else if (evt.eventTypeId == PointerUpEvent.TypeId() && pe.button == 0)
{
SendClickEvent(evt);
}
}
public void ProcessEvent(EventBase evt)
{
IPointerEvent pe = evt as IPointerEvent;
if (pe == null)
{
return;
}
if (evt.eventTypeId == PointerDownEvent.TypeId() && pe.button == 0)
{
StartClickTracking(evt);
}
else if (evt.eventTypeId == PointerMoveEvent.TypeId())
{
// Button 1 pressed while another button was already pressed.
if (pe.button == 0 && (pe.pressedButtons & 1) == 1)
{
StartClickTracking(evt);
}
// Button 1 released while another button is still pressed.
else if (pe.button == 0 && (pe.pressedButtons & 1) == 0)
{
SendClickEvent(evt);
}
// Pointer moved or other button pressed/released
else
{
var clickStatus = m_ClickStatus[pe.pointerId];
if (clickStatus.m_Target != null)
{
// stop the multi-click sequence on move
clickStatus.m_LastPointerDownTime = 0;
}
}
}
else if (evt.eventTypeId == PointerCancelEvent.TypeId() ||
evt.eventTypeId == PointerStationaryEvent.TypeId()
#if UNITY_EDITOR
|| evt.eventTypeId == DragUpdatedEvent.TypeId()
#endif
)
{
CancelClickTracking(evt);
}
else if (evt.eventTypeId == PointerUpEvent.TypeId() && pe.button == 0)
{
SendClickEvent(evt);
}
}
internal static MouseUpEvent GetPooled(PointerCancelEvent pointerEvent)
{
return(MouseUpEvent.MakeFromPointerEvent(pointerEvent));
}