Revisions to Qt5: error: ‘qt_metacall’ is not a member of

needs to be inherited `public` otherwise this error occurs: `error: ‘QObject’ is an inaccessible base of ‘Emiter’`

edit approved Feb 2, 2018 at 12:36

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Signals and slots are available only in QObject derived classes, and a Q_OBJECT macro is needed.

class Emiter : public QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

Signals and slots are available only in QObject derived classes, and a Q_OBJECT macro is needed.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

Signals and slots are available only in QObject derived classes, and a Q_OBJECT macro is needed.

class Emiter : public QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

added 19 characters in body

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edited Feb 2, 2018 at 11:34

p-a-o-l-o

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signalSignals and slot avilableslots are available only QObject class. You needin QObject derived classes, and a Q_OBJECTQ_OBJECT macro is needed.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

signal and slot avilable only QObject class. You need a Q_OBJECT macro.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

Signals and slots are available only in QObject derived classes, and a Q_OBJECT macro is needed.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

edited body

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edited Feb 2, 2018 at 11:29

Tazo leladze

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signal and slot avilable only QObject class. You need a Q_OBJECT macrosmacro.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

signal and slot avilable only QObject class. You need a Q_OBJECT macros

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

signal and slot avilable only QObject class. You need a Q_OBJECT macro.

class Emiter : QObject { Q_OBJECT public: signals: void anSignal (); };

For more detail answer: click here

Source Link

answered Feb 2, 2018 at 11:20

Tazo leladze

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