diff options
Diffstat (limited to 'src/corelib/kernel/qmetatype_p.h')
| -rw-r--r-- | src/corelib/kernel/qmetatype_p.h | 103 |
1 files changed, 33 insertions, 70 deletions
diff --git a/src/corelib/kernel/qmetatype_p.h b/src/corelib/kernel/qmetatype_p.h index d743d5a5c7..00d57a7e68 100644 --- a/src/corelib/kernel/qmetatype_p.h +++ b/src/corelib/kernel/qmetatype_p.h @@ -121,77 +121,15 @@ QT_FOR_EACH_STATIC_WIDGETS_CLASS(QT_DECLARE_WIDGETS_MODULE_TYPES_ITER) #undef QT_DECLARE_GUI_MODULE_TYPES_ITER #undef QT_DECLARE_WIDGETS_MODULE_TYPES_ITER -class QMetaTypeInterface +class QMetaTypeModuleHelper { public: - QMetaType::SaveOperator saveOp; - QMetaType::LoadOperator loadOp; - QMetaType::Constructor constructor; // TODO Qt6: remove me - QMetaType::Destructor destructor; - int size; - QMetaType::TypeFlags::Int flags; - const QMetaObject *metaObject; - QMetaType::TypedConstructor typedConstructor; - QMetaType::TypedDestructor typedDestructor; -}; - + virtual QtPrivate::QMetaTypeInterface *interfaceForType(int) const = 0; #ifndef QT_NO_DATASTREAM -# define QT_METATYPE_INTERFACE_INIT_DATASTREAM_IMPL(Type) \ - /*saveOp*/(QtMetaTypePrivate::QMetaTypeFunctionHelper<Type, QtMetaTypePrivate::TypeDefinition<Type>::IsAvailable>::Save), \ - /*loadOp*/(QtMetaTypePrivate::QMetaTypeFunctionHelper<Type, QtMetaTypePrivate::TypeDefinition<Type>::IsAvailable>::Load), -# define QT_METATYPE_INTERFACE_INIT_EMPTY_DATASTREAM_IMPL(Type) \ - /*saveOp*/ nullptr, \ - /*loadOp*/ nullptr, -#else -# define QT_METATYPE_INTERFACE_INIT_EMPTY_DATASTREAM_IMPL(Type) \ - /*saveOp*/ nullptr, \ - /*loadOp*/ nullptr, -# define QT_METATYPE_INTERFACE_INIT_DATASTREAM_IMPL(Type) \ - QT_METATYPE_INTERFACE_INIT_EMPTY_DATASTREAM_IMPL(Type) -#endif - -#ifndef QT_BOOTSTRAPPED -#define METAOBJECT_DELEGATE(Type) (QtPrivate::MetaObjectForType<Type>::value()) -#else -#define METAOBJECT_DELEGATE(Type) nullptr + virtual bool save(QDataStream &stream, int type, const void *data) const = 0; + virtual bool load(QDataStream &stream, int type, void *data) const = 0; #endif - -#define QT_METATYPE_INTERFACE_INIT_IMPL(Type, DATASTREAM_DELEGATE) \ -{ \ - DATASTREAM_DELEGATE(Type) \ - /*constructor*/(QtMetaTypePrivate::QMetaTypeFunctionHelper<Type, QtMetaTypePrivate::TypeDefinition<Type>::IsAvailable>::Construct), \ - /*destructor*/(QtMetaTypePrivate::QMetaTypeFunctionHelper<Type, QtMetaTypePrivate::TypeDefinition<Type>::IsAvailable>::Destruct), \ - /*size*/(QTypeInfo<Type>::sizeOf), \ - /*flags*/QtPrivate::QMetaTypeTypeFlags<Type>::Flags, \ - /*metaObject*/METAOBJECT_DELEGATE(Type), \ - /*typedConstructor*/ nullptr, \ - /*typedDestructor*/ nullptr \ -} - - -/* These QT_METATYPE_INTERFACE_INIT* macros are used to initialize QMetaTypeInterface instance. - - - QT_METATYPE_INTERFACE_INIT(Type) -> It takes Type argument and creates all necessary wrapper functions for the Type, - it detects if QT_NO_DATASTREAM was defined. Probably it is the macro that you want to use. - - - QT_METATYPE_INTERFACE_INIT_EMPTY() -> It initializes an empty QMetaTypeInterface instance. - - - QT_METATYPE_INTERFACE_INIT_NO_DATASTREAM(Type) -> Temporary workaround for missing auto-detection of data stream - operators. It creates same instance as QT_METATYPE_INTERFACE_INIT(Type) but with null stream operators callbacks. - */ -#define QT_METATYPE_INTERFACE_INIT(Type) QT_METATYPE_INTERFACE_INIT_IMPL(Type, QT_METATYPE_INTERFACE_INIT_DATASTREAM_IMPL) -#define QT_METATYPE_INTERFACE_INIT_NO_DATASTREAM(Type) QT_METATYPE_INTERFACE_INIT_IMPL(Type, QT_METATYPE_INTERFACE_INIT_EMPTY_DATASTREAM_IMPL) -#define QT_METATYPE_INTERFACE_INIT_EMPTY() \ -{ \ - QT_METATYPE_INTERFACE_INIT_EMPTY_DATASTREAM_IMPL(void) \ - /*constructor*/ nullptr, \ - /*destructor*/ nullptr, \ - /*size*/ 0, \ - /*flags*/ 0, \ - /*metaObject*/ nullptr , \ - /*typedConstructor*/ nullptr, \ - /*typedDestructor*/ nullptr \ -} +}; namespace QtMetaTypePrivate { template<typename T> @@ -232,9 +170,6 @@ template<> struct TypeDefinition<QRegExp> { static const bool IsAvailable = fals #if !QT_CONFIG(regularexpression) template<> struct TypeDefinition<QRegularExpression> { static const bool IsAvailable = false; }; #endif -#ifdef QT_NO_SHORTCUT -template<> struct TypeDefinition<QKeySequence> { static const bool IsAvailable = false; }; -#endif #ifdef QT_NO_CURSOR template<> struct TypeDefinition<QCursor> { static const bool IsAvailable = false; }; #endif @@ -256,6 +191,34 @@ template<> struct TypeDefinition<QQuaternion> { static const bool IsAvailable = #ifdef QT_NO_ICON template<> struct TypeDefinition<QIcon> { static const bool IsAvailable = false; }; #endif + +template<typename T> +static QtPrivate::QMetaTypeInterface *getInterfaceFromType() +{ + if constexpr (std::is_same_v<T, void>) { + return nullptr; + } else if constexpr (QtMetaTypePrivate::TypeDefinition<T>::IsAvailable) { + return &QtPrivate::QMetaTypeForType<T>::metaType; + } + return nullptr; +} + +#define QT_METATYPE_CONVERT_ID_TO_TYPE(MetaTypeName, MetaTypeId, RealName) \ + case QMetaType::MetaTypeName: \ + return QtMetaTypePrivate::getInterfaceFromType<RealName>(); + +#define QT_METATYPE_DATASTREAM_SAVE(MetaTypeName, MetaTypeId, RealName) \ + case QMetaType::MetaTypeName: \ + QtMetaTypePrivate::QMetaTypeFunctionHelper<RealName, QtMetaTypePrivate::TypeDefinition<RealName>::IsAvailable>::Save(stream, data); \ + return true; + +#define QT_METATYPE_DATASTREAM_LOAD(MetaTypeName, MetaTypeId, RealName) \ + case QMetaType::MetaTypeName: \ + QtMetaTypePrivate::QMetaTypeFunctionHelper<RealName, QtMetaTypePrivate::TypeDefinition<RealName>::IsAvailable>::Load(stream, data); \ + return true; + +void derefAndDestroy(QtPrivate::QMetaTypeInterface *d_ptr); + } //namespace QtMetaTypePrivate QT_END_NAMESPACE |