Add WinRegKey support

Sine Striker

2023-12-29 6eb2efea00eb07ce3a6b089b984885ce4a08c9ca

 src/core/style/styleagent_p.h

@@ -28,8 +28,8 @@

        StyleAgent::SystemTheme systemTheme = StyleAgent::Unknown;

        virtual void setupSystemThemeHook();
        virtual void removeSystemThemeHook();
        void setupSystemThemeHook();
        void removeSystemThemeHook();

        void notifyThemeChanged(StyleAgent::SystemTheme theme);
    };