Most convenient way from qDebug to log...

Merlino

Hello!
I need to add a persistent log to my app. My idea is to transform the qDebug calls:

qDebug << "blablablablablabla " << variable1 << "blablabla" << variable2;

in this:

logInformation() << "blablablablablabla " << variable1 << "blablabla" << variable2;

that should do this:

QTextSream textStream;
textStream << "blablablablablabla " << variable1 << "blablabla" << variable2;
qDebug << textStream.readAll();
m_myLog.logInformation(textStream.readAll());

Which is the most convenient way to do the transformation with the less effort, in your opinion?

I would have thought of doing a sort of subclassing of the QDebug class, going to redefine some methods / operators, to obtain the same form of call. I don't know if it's feasible, I'm still thinking about it.

sierdzio

You should install custom log handler instead: qInstallMessageHandler.

This gives you full control over all logs, without any need to change existing calls - you can still use qDebug(), qWarning() etc.