diff options
Diffstat (limited to 'src/corelib/kernel')
-rw-r--r-- | src/corelib/kernel/qmetatype.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index 455d0350e0..4674efe568 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -1381,7 +1381,7 @@ namespace QtPrivate }; template<typename T, typename Enable = void> - struct IsGadgetHelper { enum { Value = false }; }; + struct IsGadgetHelper { enum { IsRealGadget = false, IsGadgetOrDerivedFrom = false }; }; template<typename T> struct IsGadgetHelper<T, typename T::QtGadgetHelper> @@ -1389,11 +1389,14 @@ namespace QtPrivate template <typename X> static char checkType(void (X::*)()); static void *checkType(void (T::*)()); - enum { Value = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *) }; + enum { + IsRealGadget = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *), + IsGadgetOrDerivedFrom = true + }; }; template<typename T, typename Enable = void> - struct IsPointerToGadgetHelper { enum { Value = false }; }; + struct IsPointerToGadgetHelper { enum { IsRealGadget = false, IsGadgetOrDerivedFrom = false }; }; template<typename T> struct IsPointerToGadgetHelper<T*, typename T::QtGadgetHelper> @@ -1402,7 +1405,10 @@ namespace QtPrivate template <typename X> static char checkType(void (X::*)()); static void *checkType(void (T::*)()); - enum { Value = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *) }; + enum { + IsRealGadget = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *), + IsGadgetOrDerivedFrom = true + }; }; @@ -1435,12 +1441,12 @@ namespace QtPrivate static inline const QMetaObject *value() { return &T::staticMetaObject; } }; template<typename T> - struct MetaObjectForType<T, typename std::enable_if<IsGadgetHelper<T>::Value>::type> + struct MetaObjectForType<T, typename std::enable_if<IsGadgetHelper<T>::IsGadgetOrDerivedFrom>::type> { static inline const QMetaObject *value() { return &T::staticMetaObject; } }; template<typename T> - struct MetaObjectForType<T, typename QEnableIf<IsPointerToGadgetHelper<T>::Value>::Type> + struct MetaObjectForType<T, typename std::enable_if<IsPointerToGadgetHelper<T>::IsGadgetOrDerivedFrom>::type> { static inline const QMetaObject *value() { return &IsPointerToGadgetHelper<T>::BaseType::staticMetaObject; } }; @@ -1599,8 +1605,8 @@ namespace QtPrivate template <typename T, int = QtPrivate::IsPointerToTypeDerivedFromQObject<T>::Value ? QMetaType::PointerToQObject : - QtPrivate::IsGadgetHelper<T>::Value ? QMetaType::IsGadget : - QtPrivate::IsPointerToGadgetHelper<T>::Value ? QMetaType::PointerToGadget : + QtPrivate::IsGadgetHelper<T>::IsRealGadget ? QMetaType::IsGadget : + QtPrivate::IsPointerToGadgetHelper<T>::IsRealGadget ? QMetaType::PointerToGadget : QtPrivate::IsQEnumHelper<T>::Value ? QMetaType::IsEnumeration : 0> struct QMetaTypeIdQObject { @@ -1653,8 +1659,8 @@ namespace QtPrivate { | (IsWeakPointerToTypeDerivedFromQObject<T>::Value ? QMetaType::WeakPointerToQObject : 0) | (IsTrackingPointerToTypeDerivedFromQObject<T>::Value ? QMetaType::TrackingPointerToQObject : 0) | (std::is_enum<T>::value ? QMetaType::IsEnumeration : 0) - | (IsGadgetHelper<T>::Value ? QMetaType::IsGadget : 0) - | (IsPointerToGadgetHelper<T>::Value ? QMetaType::PointerToGadget : 0) + | (IsGadgetHelper<T>::IsGadgetOrDerivedFrom ? QMetaType::IsGadget : 0) + | (IsPointerToGadgetHelper<T>::IsGadgetOrDerivedFrom ? QMetaType::PointerToGadget : 0) }; }; |