fix compilation error

Zhao Yuhang

2025-02-04 cc65c4da6ad762e8648b2ab6a801e07c50922d3d

 src/widgets/widgetwindowagent_win.cpp

@@ -105,9 +105,18 @@

                    // Since a QExposeEvent will be sent immediately after the QResizeEvent, we can
                    // simply ignore it.
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
                    struct ExposeEvent : public QExposeEvent {
                        inline const QRegion &getRegion() const { return m_region; }
                    };
                    auto ee = static_cast<ExposeEvent *>(event);
                    bool exposeRegionValid = !ee->getRegion().isNull();
#else
                    auto ee = static_cast<QExposeEvent *>(event);
                    bool exposeRegionValid = !ee->region().isNull();
#endif
                    auto window = widget->windowHandle();
                    if (window->isExposed() && isNormalWindow() && !ee->region().isNull()) {
                    if (window->isExposed() && isNormalWindow() && exposeRegionValid) {
                        forwardEventToWindowAndDraw(window, event);
                        return true;
                    }