bool QGraphicsVideoItemPrivate::eventFilter(QObject *object, QEvent *event)
{
if (windowControl && object == videoWidget && QEvent::WinIdChange == event->type()) {
windowControl->setWinId(videoWidget->effectiveWinId());
} else {
bool updateEventFiltersRequired = false;
bool refreshDisplayRequired = false;
foreach (QPointer<QObject> target, eventFilterTargets) {
if (object == target.data()) {
switch (event->type()) {
case QEvent::ParentChange:
updateEventFiltersRequired = true;
refreshDisplayRequired = true;
break;
case QEvent::Move:
case QEvent::Resize:
refreshDisplayRequired = true;
break;
}
}
}
if (updateEventFiltersRequired)
updateEventFilters();
#ifdef Q_OS_SYMBIAN
if (refreshDisplayRequired && windowControl)
QMetaObject::invokeMethod(windowControl, "refreshDisplay");
#endif
}
return false;
}
void QGraphicsVideoItemPrivate::setWidget(QWidget *widget)
{
if (videoWidget != widget) {
videoWidget = widget;
if (widget) {
windowControl->setWinId(widget->winId());
widget->installEventFilter(this);
}
}
}
void QGraphicsVideoItemPrivate::updateWindowId()
{
const WId winId = videoWidget->winId();
// If the window ID is 0, it was not possible to promote the video widget from an alien widget
// to a native widget. As a last resort use the native ancestor instead.
if (winId == 0) {
// Do not use videoWidget->effectiveWinId(), it will assert inside qtwidget
// This stuff is broken in QPA.
QWidget *parent = videoWidget;
while (parent && !parent->winId()) {
parent = parent->parentWidget();
}
if (parent) {
windowControl->setWinId(parent->winId());
QPoint topLeft = videoWidget->mapTo(parent, QPoint(0, 0));
windowControl->setDisplayRect(QRect(topLeft, videoWidget->size()));
}
} else {
windowControl->setWinId(winId);
}
}