finish border paint code

Zhao Yuhang

2023-12-11 2df00b7e7bf5fd9c2f171449f71d1b101480f0db

 src/core/windowagentbase_p.h

@@ -22,6 +22,12 @@

        std::unique_ptr<AbstractWindowContext> context;

    public:
        using WindowContextFactoryMethod = AbstractWindowContext *(*) ();

        static WindowContextFactoryMethod windowContextFactoryMethod;

    private:
        Q_DISABLE_COPY_MOVE(WindowAgentBasePrivate)
    };