2.类内注册 除此之外,还有另一种方法,那就是将枚举类型写入到用Q_OBJECT, Q_GADGET or Q_GADGET_EXPORT这三个宏之一标记的类内 需要注意的一点:Q_GADGET是Q_OBJECT宏的轻量化版本,用Q_GADGET意味着这个类不一定需要继承QObject类了 适用于不继承QObject但仍希望使用QMetaObject提供的一些反射功能的类。就像Q...
除此之外,还有另一种方法,那就是将枚举类型写入到用Q_OBJECT, Q_GADGET or Q_GADGET_EXPORT这三个宏之一标记的类内 需要注意的一点:Q_GADGET是Q_OBJECT宏的轻量化版本,用Q_GADGET意味着这个类不一定需要继承QObject类了 适用于不继承QObject但仍希望使用QMetaObject提供的一些反射功能的类。就像Q_OBJECT宏一样...
这个宏用于向元对象系统注册一个枚举类型。该宏必须放在enum声明之后,且放在具有Q_OBJECT或Q_GADGET宏的类中。对于命名空间,应该使用Q_ENUM_NS()。例如: classMyClass:publicQObject { Q_OBJECTpublic: MyClass(QObject*parent=nullptr); ~MyClass();enumPriority{High,Low,VeryHigh,VeryLow}; Q_ENUM(Priority...
该宏必须放在enum声明之后,且放在具有Q_OBJECT或Q_GADGET宏的类中。对于命名空间,应该使用Q_ENUM_NS()。例如: class MyClass : public QObject { Q_OBJECT public: MyClass(QObject *parent = nullptr); ~MyClass(); enum Priority { High, Low, VeryHigh, VeryLow }; Q_ENUM(Priority) void ...
这个宏用于向元对象系统注册一个枚举类型。该宏必须放在enum声明之后,且放在具有Q_OBJECT或Q_GADGET宏的类中。对于命名空间,应该使用Q_ENUM_NS()。例如: class MyClass : public QObject { Q_OBJECT public: MyClass(QObject *parent = nullptr); ...
Q_GADGET makes a class member, staticMetaObject, available. staticMetaObject is of type QMetaObject and provides access to the enums declared with Q_ENUMS. Q_GADGET is provided only for C++. See also Meta-Object System, Signals and Slots, and Qt's Property System. Q_PROPERTY ( ... ) ...
gadget 00:31 🔔高频单词:mainstream 00:30 🔔高频单词:negotiate 00:39 🔔高频单词:fossil 00:28 🔔高频单词:inevitable 00:35 🔔高频单词:moisture 00:31 🔔高频单词:powder 00:31 🔔高频单词:eventually 00:35 🔔高频单词:flexible 00:42 🔔高频单词:usage 00:32 🔔高频单词:virus 00:34...
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这个宏向元对象系统注册一个枚举类型。但是它必须放在具有Q_OBJECT或Q_GADGET宏的类的枚举声明之后。Q_OBJEC qt c++ windows 经验分享 字符串 原创 iknowtheworld 1月前 114阅读 Qt知识之 1.Q_DECLARE_METATYPE和qRegisterMetaType 【代码】Qt知识之 1.Q_DECLARE_METATYPE和qRegisterMetaType。
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