From e27ecb203538208157e3e0e710ae54ab8bd2a844 Mon Sep 17 00:00:00 2001 From: Mike Trahearn Date: Mon, 29 Aug 2022 17:18:06 +1000 Subject: Doc: Update QMetaType::metaObject() descriptions Pick-to: 6.4 6.3 6.2 5.15 Change-Id: Iff93f8fe2cf701d56d072e2593c76d49a70fc183 Reviewed-by: Sze Howe Koh Reviewed-by: Thiago Macieira --- src/corelib/kernel/qmetatype.cpp | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) (limited to 'src/corelib/kernel/qmetatype.cpp') diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp index 927c258647..620e6d57a8 100644 --- a/src/corelib/kernel/qmetatype.cpp +++ b/src/corelib/kernel/qmetatype.cpp @@ -595,19 +595,21 @@ int QMetaType::registerHelper(const QtPrivate::QMetaTypeInterface *iface) \fn constexpr const QMetaObject *QMetaType::metaObject() const \since 5.5 - return a QMetaObject relative to this type. + Returns a QMetaObject relative to this type. If the type is a pointer type to a subclass of QObject, flags() contains - QMetaType::PointerToQObject and this function returns the corresponding QMetaObject. This can - be used to in combination with QMetaObject::construct to create QObject of this type. - - If the type is a Q_GADGET, flags() contains QMetaType::IsGadget, and this function returns its - QMetaObject. This can be used to retrieve QMetaMethod and QMetaProperty and use them on a - pointer of this type. (given by QVariant::data for example) - - If the type is an enumeration, flags() contains QMetaType::IsEnumeration, and this function - returns the QMetaObject of the enclosing object if the enum was registered as a Q_ENUM or - \nullptr otherwise + QMetaType::PointerToQObject and this function returns the corresponding QMetaObject. + This can be used in combination with QMetaObject::newInstance() to create QObjects of this type. + + If the type is a Q_GADGET, flags() contains QMetaType::IsGadget. + If the type is a pointer to a Q_GADGET, flags() contains QMetaType::PointerToGadget. + In both cases, this function returns its QMetaObject. + This can be used to retrieve QMetaMethod and QMetaProperty and use them on a + pointer of this type for example, as given by QVariant::data(). + + If the type is an enumeration, flags() contains QMetaType::IsEnumeration. + In this case, this function returns the QMetaObject of the enclosing + object if the enum was registered as a Q_ENUM or \nullptr otherwise. \sa QMetaType::flags() */ -- cgit v1.2.3