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);
        }
    }
}
Exemple #3
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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);
    }
}