QTextEdit (and similar widgets) embedded in QGraphicsScene loses focus after its standard context menu has been used

        if (hasFocus && scene) {
            // Hiding the focus item or the closest non-panel ancestor of the focus item
            QGraphicsItem *focusItem = scene->focusItem();
            bool clear = true;
            if (isWidget && !focusItem->isPanel()) {
                do {
                    if (focusItem == q_ptr) {
                        clear = !static_cast<QGraphicsWidget *>(q_ptr)->focusNextPrevChild(true);
                        break;
                    }
                } while ((focusItem = focusItem->parentWidget()) && !focusItem->isPanel());
            }
            if (clear)
                clearFocusHelper(/* giveFocusToParent = */ false, hiddenByPanel);
        }