#include "export.hpp" #include "slider.hpp" #include <QString> #include <type_traits> namespace options { namespace detail { template<typename t, typename u = t, typename Enable = void> struct default_value_traits { using element_type = std::decay_t<t>; using value_type = std::decay_t<u>; static inline value_type from_value(const value_type& val, const value_type&) { return val; } static inline value_type from_storage(const element_type& x) { return static_cast<value_type>(x); } static inline element_type to_storage(const value_type& val) { return static_cast<element_type>(val); } }; template<typename t, typename u = t, typename Enable = void> struct value_traits : default_value_traits<t, u, Enable> { }; template<> struct value_traits<slider_value> : default_value_traits<slider_value> { static inline slider_value from_value(const slider_value& val, const slider_value& def) { return slider_value(val.cur(), def.min(), def.max()); } }; // Qt uses int a lot in slots so use it for all enums template<typename t> struct value_traits<t, t, std::enable_if_t<std::is_enum_v<t>>> : public default_value_traits<int, t> { }; template<> struct value_traits<float> : public default_value_traits<float, double, void> { }; } // ns detail } // ns options