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Fromtype' is not a member of qmetaenum

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 https://jpsolutionstx.com

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

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Category:QMetaEnum Class Qt Core 6.5.0

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Fromtype' is not a member of qmetaenum

QMetaEnum (Class) - Qt - W3cubDocs

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 …

Fromtype' is not a member of qmetaenum

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WebDetailed Description. The QMetaEnum class provides meta-data about an enumerator. Use name() for the enumerator's name. The enumerator's keys (names of each enumerated … WebEasiest way I found is like this, using 2 essential lines: auto&& metaEnum = QMetaEnum::fromType (); MyEnumType wantedEnum = static_cast (metaEnum.keyToValue ("foo"))); Just be careful to only execute keyToValue when the string is not empty, using !yourString.isEmpty ().

Web[static, since 5.5] template QMetaEnum QMetaEnum:: fromType () Returns the QMetaEnum corresponding to the type in the template parameter. The enum needs to be declared with Q_ENUM. This function was introduced in Qt 5.5. bool QMetaEnum:: isFlag const Returns true if this enumerator is used as a flag; otherwise returns false. WebJul 4, 2011 · I'm passing a handle to form to a ref class. However, I can't use the handle in the ref class due to the form being an undefined type. I'm not sure how to resolve this …

WebMay 28, 2024 · 1 Answer. Django does not use ? for the parameterization, rather it uses format string style parameters, i.e. '%s' % 'hello', etc. See Passing parameters into raw … Web[static] template QMetaEnum QMetaEnum:: fromType () Returns the QMetaEnum corresponding to the type in the template parameter. The enum needs to be declared with Q_ENUM. This function was introduced in Qt 5.5. bool QMetaEnum:: isFlag const Returns true if this enumerator is used as a flag; otherwise returns false.

WebMember Function Documentation [static] QMetaEnum QMetaEnum:: fromType Returns the QMetaEnum corresponding to the type in the template parameter. The enum needs to be declared with Q_ENUM.. This function was introduced in Qt 5.5. bool QMetaEnum:: isFlag const. Returns true if this enumerator is used as a flag; otherwise returns false.. …

WebApr 23, 2024 · There is a much simpler version for retrieving the QMetaEnum object (Qt 5.5 and above): QMetaEnum e = QMetaEnum::fromType (); QStringList countryList; for (int k = 0; k < e.keyCount (); k++) { QLocale::Country country = (QLocale::Country) e.value (k); countryList.push_back (QLocale::countryToString … floating jetty australiaWebDec 17, 2024 · When I run qtsetup full, when installing any component this error pops up: # github.com/therecipe/qt/core core.cpp: In function ‘void* … floating jewelry containersWebint QMetaEnum:: keyToValue (const char *key, bool *ok = nullptr) const Returns the integer value of the given enumeration key, or -1 if key is not defined. If key is not defined, *ok … great indoors gift cardWebReturns false if there is no such member or the parameters did not match. The invocation can be either synchronous or asynchronous, depending on type: If type is … floating jewelry charmsWebFeb 28, 2024 · Q_NAMESPACE works in a very similar way than the Q_OBJECT macro. It has three purposes: it tells moc to generate the meta-object for the given namespace; it tells the buildsystem (qmake) to add calls to moc for the header containing the macro; in plain C++, it expands to a few declarations. floating jetty priceWebIn new code, you should prefer the use of the Q_ENUM () macro, which makes the type available also to the meta type system. For instance, QMetaEnum::fromType () will not work with types declared with Q_ENUMS (). This macro registers one or several enum types to the meta-object system. great indoors credit card paymentWebApr 22, 2024 · QMetaEnum::fromType (); and do things with it. In this case, convert the enum to a string to write to a settings file. However, whenever I attempt … great indoors scout badge