Why there's no QNetworkReply::error signal?
The "documentation":http://doc-snapshot.qt-project.org/qt5-5.4/qnetworkreply.html#error-2 clearly says that there's a signal for QNetworkReply. I can't see it - in autocompletion there's only a function. Any attempt to connect to it results to compilation error.
when you provide some code and more probably infos (used Qt version, etc.) someone may be able to help you.
Sorry for confusion.
QtCreator 3.3.0 with Qt 5.4.0.
The code is:
@QObject::connect(&reply, static_cast<void(QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error), &onReplyErrors);@
Here onReplyErrors is a global function. On compilation I have:
bq. error: C2665: 'QObject::connect' : none of the 4 overloads could convert all the argument types
The "&" in front of reply and onReplyErrors bother me a little.
You usually get a pointer to QNetworkReply, not an instance of it so can you confirm you somehow got QNetworkReply object itself? Otherwise the first & shouldn't be there as it retrieves an address of a pointer, which is not good.
Also, if onReplyErrors is a free standing function you don't need the extra & there (although it's not technically an error).
[quote author="nikitablack" date="1422373746"]
Here onReplyErrors is a global function.
-You can only connect to non-static MEMBER functions (slots) of a QObject-derived CLASS-.
Nevermind, it's too early in the morning. ;)
Chris Kawa, you're right. Thank you. My bad - I copypasted this line but didn't notice that reply is a pointer. And the lack of this signal in autocompletion confused me.