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#ifndef GUI_IGEOMETRYSETTINGS_H
#define GUI_IGEOMETRYSETTINGS_H
#include <concepts>
namespace GUI
{
template <class W>
class IGeometrySettings
{
public:
virtual void saveGeometry(const W* widget) = 0;
virtual void restoreGeometry(W* widget) const = 0;
};
template <class W>
class [[nodiscard]] GeometrySaver final
{
public:
GeometrySaver(IGeometrySettings<W>& s, W* w) : m_Settings{s}, m_Widget{w}
{
m_Settings.restoreGeometry(m_Widget);
}
GeometrySaver(const GeometrySaver<W>&) = delete;
GeometrySaver(GeometrySaver<W>&&) = delete;
~GeometrySaver() { m_Settings.saveGeometry(m_Widget); }
GeometrySaver<W>& operator=(const GeometrySaver<W>&) = delete;
GeometrySaver<W>& operator=(GeometrySaver<W>&&) = delete;
private:
IGeometrySettings<W>& m_Settings;
W* m_Widget;
};
template <class W, std::derived_from<W> Derived>
GeometrySaver(IGeometrySettings<W>&, Derived*) -> GeometrySaver<W>;
} // namespace GUI
#endif // GUI_IGEOMETRYSETTINGS_H
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