void
Popup::OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error)
{
if (args->GetProperty ()->GetOwnerType() != Type::POPUP) {
FrameworkElement::OnPropertyChanged (args, error);
return;
}
if (args->GetId () == Popup::IsOpenProperty) {
// we intentionally don't track whether we've added a tick
// call (to make sure we only add it once) for this event
// because multiple IsOpen changes cause multiple async events
// in SL.
if (args->GetNewValue () && args->GetNewValue ()->AsBool ()) {
Show (GetChild ());
EmitAsync (Popup::OpenedEvent);
}
else {
Hide (GetChild ());
EmitAsync (Popup::ClosedEvent);
}
} else if (args->GetId () == Popup::ChildProperty) {
if (args->GetOldValue () && !args->GetOldValue ()->GetIsNull ()) {
FrameworkElement *el = args->GetOldValue ()->AsFrameworkElement ();
if (GetIsOpen ())
Hide (el);
el->SetLogicalParent (NULL, error);
if (error->number)
return;
}
if (args->GetNewValue () && !args->GetNewValue ()->GetIsNull ()) {
FrameworkElement *el = args->GetNewValue ()->AsFrameworkElement ();
el->SetLogicalParent (this, error);
if (error->number)
return;
if (GetIsOpen ())
Show (el);
}
} else if (args->GetId () == Popup::HorizontalOffsetProperty
|| args->GetId () == Popup::VerticalOffsetProperty) {
UIElement * child = GetChild ();
if (child)
child->UpdateTransform ();
}
NotifyListenersOfPropertyChange (args, error);
}
void
Popup::OnIsAttachedChanged (bool attached)
{
FrameworkElement::OnIsAttachedChanged (attached);
if (!attached && GetIsOpen ())
SetIsOpen (false);
}
bool UGUIWidget::CanReceiveInputKey() const
{
return bAllowInputKey
&& GetIsEnabled()
&& GetIsOpen()
&& GetVisibility() != ESlateVisibility::Hidden
&& GetVisibility() != ESlateVisibility::Collapsed;
}
void
Popup::Dispose ()
{
if (!shutting_down && GetIsOpen ())
Hide (GetChild ());
GetDeployment ()->RemoveHandler (Deployment::ShuttingDownEvent, ShuttingDownCallback, this);
FrameworkElement::Dispose ();
}
