Add windows implementations

Sine Striker

2023-12-01 027122452a25191b81fef8fe35f5b54768d435f2

 src/core/contexts/abstractwindowcontext_p.h

File was renamed from src/core/handler/abstractwindowcontext_p.h
@@ -19,6 +19,8 @@
        ~AbstractWindowContext();

    public:
        virtual bool setup() = 0;

        inline QWindow *window() const;
        void setupWindow(QWindow *window);