Zhao Yuhang
2025-02-11 c013e1b4a2e855ecae467cd1dc29adc2cbc53173
src/widgets/widgetwindowagent_win.cpp
@@ -55,8 +55,16 @@
        }
        void updateGeometry() override {
            widget->setContentsMargins(isNormalWindow() ? QMargins(0, borderThickness(), 0, 0)
                                                        : QMargins());
            // The window top border is manually painted by QWK so we want to give
            // some margins to avoid it covering real window contents, however, we
            // found that there are some rounding issues for the thin border and
            // thus this small trick doesn't work very well when the DPR is not
            // integer. So far we haven't found a perfect solution, so just don't
            // set any margins. In theory the window content will only be covered
            // by 1px or so, it should not be a serious issue in the real world.
            //
            // widget->setContentsMargins(isNormalWindow() ? QMargins(0, borderThickness(), 0, 0)
            //                                             : QMargins());
        }
        bool isWindowActive() const override {
@@ -105,9 +113,18 @@
                    // 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;
                    }