How can I use Qt5 connect() on a slot with default … error C2338: The slot requires more arguments than the signal provides. I could create an intermediary function that calls OnSetValue() and allows the default parameters to be set but that seems like a waste of code. What's a better way of solving this? Problem when calling C++ slots with default parameters… Broken call chain when invoking C++ slots with default parameters from QML. Please find attached a qt creator project with a small example illustratingI define a C++ class with a single slot and I expose it to QML through the declarative context. Please notice how the parameter is not properly passed to... How can I use Qt5 connect() on a slot with default …
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Can Qt's moc be replaced by C++ reflection? Qt is a cross platform C++ toolkit specialized for developing applications with user interfaces. Qt code is purely standard C++ code, however it needs a code generator to provide introspection data: the Meta Object Compiler (moc). Coding Conventions - Qt Wiki This is an overview of the high-level coding conventions we use when writing Qt code. See Qt Coding Style for the lower-level conventions.
I am quite new to Qt and I have worked away with their slots & signals without too many problems until in one occasion on a new project, I was not able to get my signal connected to my slot… that kept me stuck for a good while, double checking that I had done all I thought was necessary for it to work...
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@BjornW Yes, connect to lambda function works perfectly. But i thought that connect to a slot with default argument was previos possible. Or am i wrong with that?
QValidator Class | Qt GUI 5.12.2 Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. Defining QML Types from C++ | Qt QML 5.12.3 The default property can be set by calling the Q_Classinfo() macro for a class with a specific "DefaultProperty" value. For example, the MessageBoard class below specifies its messages property as the default property for the class: QStatusBar Class | Qt Widgets 5.12.2 If timeout is 0 (default), the message remains displayed until the clearMessage() slot is called or until the showMessage() slot is called again to change the message.