access a signal of base class within the derived class

ODБOï

Hi,
I want to capture a signal from my base class in the derived class

// base class

class Client_Base : public QObject
{
    Q_OBJECT
    Q_PROPERTY(bool connected READ connected WRITE setConnected NOTIFY connectedChanged)
 public:
    void setConnected(bool co){
        // ...
        emit connectedChanged();
    }
}

i need to connect a function to the connectedChanged signal

// derived class ctor

Client_Setup::Client_Setup(QObject *parent){
  
    QObject::connect(this, &Client_Setup::connectedChanged,[&]{ 
     // ...     
    }); 
}

but this way the code in the lambda is not executed, i have to use the base class name like :

QObject::connect(this, &Client_Base::connectedChanged,[&]{}

Is this normal ?
Why do i have to write the base class name to access the signal ?

Thx

sierdzio

Maybe the function address is different? It shouldn't be the case I think but am not sure.

You do have Q_OBJECT macro in your subclass? And you do initialize parent in constructor with Client_Setup::Client_Setup(QObject *parent) : Client_Base(parent)?

Christian Ehrlicher

@sierdzio said in access a signal of base class within the derived class:

Maybe the function address is different?

e.g. by re-defining the signal in the derived class. We need to see the complete code and best a minimal, compilable example.

ODБOï

hi thx for answers

@Christian-Ehrlicher said in access a signal of base class within the derived class:

by re-defining the signal in the derived class

yes, I accidentally redefined a signal with the same name in the derived class, that was the issue.