GUI Example / Review Draw (guess) the Composite pattern for the GUI. Hint: Use items window, label, button, text, group. All inherit from QObject

In practice: it's easier to think of QObject as non-reentrant, as it will make you avoid many mistakes. If QObject is non-reentrant, how can I communicate with a QObject in another thread? If QObject is …

Copying a QObject’s data members into another QObject is still possible, but the two objects are still considered unique. One immediate consequence of not having access to its copy constructor is that …

Qt's C++ Object Model - QObject. QObject is the heart of Qt's object model. Include these features: Memory management Object properties Introspection Signals and Slots Event handling. QObject has …

Q_OBJECT macro appears in private section of a class. Q_OBJECT requires the class to be subclass of QObject. This macro is necessary for the class to declare its signals/slots and to use Qt meta-object …

Any QObject-derived class can be registered as a qml type or injected into the QML context

How will the compiler find the QT .h files? How will the linker find the QT compiled code? Don't bother changing these files. They'll just get overwritten next time you compile. What is a widget? What is a …