Add small implementations

SineStriker

2023-12-01 0d31eda795a5bbfd62f070b54f2409761a0eb87f

 src/core/handler/qtwindowcontext_p.h

@@ -10,6 +10,9 @@
    public:
        QtWindowContext(QWindow *window, WindowItemDelegate *delegate);
        ~QtWindowContext();

    protected:
        bool eventFilter(QObject *obj, QEvent *event) override;
    };

}