WebMar 26, 2016 · I am successfully using Q_ENUM together with QMetaEnum::fromType in my code. Everything works great and I can convert the enum strings to the actual enum values. However, as soon as I run the same code in the debugger, QMetaEnum::fromType always returns -1 instead of the actual enum value. WebIt’s not explicitly defined as int in the code, but some functions of the QVariant or QMetaType API return int, and by reading the declaration, the compiler should pick up int given that everything fits there, and it’s the default choice.
New in Qt 5.8: meta-object support for namespaces - KDAB
WebMar 17, 2024 · The namespace does not have a static QMetaObject to which the Qt MetaObject system can relate the enumeration. To correct this, you must enable the … WebJun 20, 2024 · In fact, there is nothing complicated on the part of C ++, just need to write a class inherited from QObject, and register through Q_ENUM or Q_ENUMS your enumeration in this class, and register the class via qmlRegisterType. Q_ENUM was added to Qt 5.5 to replace Q_ENUMS , and it allows QMetaEnum to be compiled at compile … floating jellyfish
QML - Tutorial 035. Using enumerations in QML without C
WebThe enumerator's keys (names of each enumerated item) are returned by key (); use keyCount () to find the number of keys. isFlag () returns whether the enumerator is meant to be used as a flag, meaning that its values can be combined using the OR operator. WebAfter all, QMetaEnum::keyCount is simply: const int offset = priv (mobj->d.data)->revision >= 8 ? 3 : 2 ; return mobj->d.data [handle + offset]; Note that moc produces those arrays as "static const", not "constexpr", so it may not be accessible today at constexpr evaluation time. Or it could. WebDec 19, 2024 · to be able to use the enum from QML Button { visible : !ClassName.CurrentState.Busy } Now i need to adapt the statement you gave me : QString message = QMetaEnum::fromType ().valueToKey (m_state) output : cannot initialize a parameter of type 'int' with an lvalue of type … great india travel agency