fix system menu

Zhao Yuhang

2023-12-09 3a5e5aea06e87710e24db0d7439ab81e3e3d301f

 src/core/corewindowagent_p.h

@@ -16,6 +16,8 @@

        CoreWindowAgent *q_ptr; // no need to initialize

        virtual AbstractWindowContext *createContext() const;

        bool setup(QObject *host, WindowItemDelegate *delegate);

        std::unique_ptr<AbstractWindowContext> context;