diff options
| -rw-r--r-- | src/corelib/kernel/qmetatype.cpp | 43 | ||||
| -rw-r--r-- | src/corelib/kernel/qmetatype.h | 14 | ||||
| -rw-r--r-- | tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp | 29 |
3 files changed, 84 insertions, 2 deletions
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp index 3f0b8900e4..af9a2e0dd2 100644 --- a/src/corelib/kernel/qmetatype.cpp +++ b/src/corelib/kernel/qmetatype.cpp @@ -506,6 +506,31 @@ struct DefinedTypesFilter { Destructs this object. */ +/*! + \fn template<typename T> QMetaType QMetaType::fromType() + \since 5.15 + + Returns the QMetaType corresponding to the type in the template parameter. +*/ + +/*! \fn bool operator==(const QMetaType &a, const QMetaType &b) + \since 5.15 + \relates QMetaType + \overload + + Returns \c true if the QMetaType \a a represents the same type + as the QMetaType \a b, otherwise returns \c false. +*/ + +/*! \fn bool operator!=(const QMetaType &a, const QMetaType &c) + \since 5.15 + \relates QMetaType + \overload + + Returns \c true if the QMetaType \a a represents a difference type + than the QMetaType \a b, otherwise returns \c false. +*/ + #define QT_ADD_STATIC_METATYPE(MetaTypeName, MetaTypeId, RealName) \ { #RealName, sizeof(#RealName) - 1, MetaTypeId }, @@ -930,7 +955,7 @@ constexpr MetaTypeOffsets<QtPrivate::Indexes<QMetaType::HighestInternalId + 1>:: pointer if no matching type was found. The returned pointer must not be deleted. - \sa type(), isRegistered(), Type + \sa type(), isRegistered(), Type, name() */ const char *QMetaType::typeName(int typeId) { @@ -950,6 +975,20 @@ const char *QMetaType::typeName(int typeId) #undef QT_METATYPE_TYPEID_TYPENAME_CONVERTER } +/*! + \since 5.15 + + Returns the type name associated with this QMetaType, or a null + pointer if no matching type was found. The returned pointer must not be + deleted. + + \sa typeName() +*/ +QByteArray QMetaType::name() const +{ + return QMetaType::typeName(m_typeId); +} + /* Similar to QMetaType::type(), but only looks in the static set of types. */ @@ -2214,6 +2253,8 @@ QMetaType QMetaType::typeInfo(const int type) \since 5.0 Constructs a QMetaType object that contains all information about type \a typeId. + + \note: The default parameter was added in Qt 5.15 */ QMetaType::QMetaType(const int typeId) : m_typeId(typeId) diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index 240828bc9a..825f767425 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -572,7 +572,7 @@ public: static bool load(QDataStream &stream, int type, void *data); #endif - explicit QMetaType(const int type); // ### Qt6: drop const + explicit QMetaType(const int type = QMetaType::UnknownType); // ### Qt6: drop const inline ~QMetaType(); inline bool isValid() const; @@ -581,12 +581,24 @@ public: inline int sizeOf() const; inline TypeFlags flags() const; inline const QMetaObject *metaObject() const; + QT_PREPEND_NAMESPACE(QByteArray) name() const; inline void *create(const void *copy = nullptr) const; inline void destroy(void *data) const; inline void *construct(void *where, const void *copy = nullptr) const; inline void destruct(void *data) const; + template<typename T> + static QMetaType fromType() + { return QMetaType(qMetaTypeId<T>()); } + + friend bool operator==(const QMetaType &a, const QMetaType &b) + { return a.m_typeId == b.m_typeId; } + + friend bool operator!=(const QMetaType &a, const QMetaType &b) + { return a.m_typeId != b.m_typeId; } + + public: template<typename T> static bool registerComparators() diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp index 12c29a6e13..19b3289390 100644 --- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp +++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp @@ -125,6 +125,7 @@ private slots: void compareCustomEqualOnlyType(); void customDebugStream(); void unknownType(); + void fromType(); }; struct BaseGenericType @@ -482,6 +483,7 @@ void tst_QMetaType::id() { QCOMPARE(QMetaType(QMetaType::QString).id(), QMetaType::QString); QCOMPARE(QMetaType(::qMetaTypeId<TestSpace::Foo>()).id(), ::qMetaTypeId<TestSpace::Foo>()); + QCOMPARE(QMetaType::fromType<TestSpace::Foo>().id(), ::qMetaTypeId<TestSpace::Foo>()); } void tst_QMetaType::qMetaTypeId() @@ -600,6 +602,12 @@ void tst_QMetaType::typeName() QCOMPARE(name, aTypeName); QCOMPARE(name.toLatin1(), QMetaObject::normalizedType(name.toLatin1().constData())); QCOMPARE(rawname == nullptr, aTypeName.isNull()); + + QMetaType mt(aType); + if (mt.isValid()) { // Gui type are not valid + QCOMPARE(QString::fromLatin1(QMetaType(aType).name()), aTypeName); + } + } void tst_QMetaType::type_data() @@ -1728,6 +1736,7 @@ void tst_QMetaType::automaticTemplateRegistration() const int type = QMetaType::type(tn); \ const int expectedType = ::qMetaTypeId<CONTAINER< __VA_ARGS__ > >(); \ QCOMPARE(type, expectedType); \ + QCOMPARE((QMetaType::fromType<CONTAINER< __VA_ARGS__ >>().id()), expectedType); \ } #define FOR_EACH_1ARG_TEMPLATE_TYPE(F, TYPE) \ @@ -2572,6 +2581,26 @@ void tst_QMetaType::unknownType() invalid.construct(&buffer); QCOMPARE(buffer, 0xBAD); } + +void tst_QMetaType::fromType() +{ + #define FROMTYPE_CHECK(MetaTypeName, MetaTypeId, RealType) \ + QCOMPARE(QMetaType::fromType<RealType>(), QMetaType(MetaTypeId)); \ + QVERIFY(QMetaType::fromType<RealType>() == QMetaType(MetaTypeId)); \ + QVERIFY(!(QMetaType::fromType<RealType>() != QMetaType(MetaTypeId))); \ + QCOMPARE(QMetaType::fromType<RealType>().id(), MetaTypeId); + + FOR_EACH_CORE_METATYPE(FROMTYPE_CHECK) + + QVERIFY(QMetaType::fromType<QString>() != QMetaType()); + QCOMPARE(QMetaType(), QMetaType()); + QCOMPARE(QMetaType(QMetaType::UnknownType), QMetaType()); + + FROMTYPE_CHECK(_, ::qMetaTypeId<Whity<int>>(), Whity<int>) + #undef FROMTYPE_CHECK +} + + // Compile-time test, it should be possible to register function pointer types class Undefined; |