Top "Qt-signals" questions

Qt 5 : update QProgressBar during QThread work via signal

I'm trying to update a QProgressDialog (owned by a QMainWindow class) along the execution of a QThread who process some …

c++ multithreading qt qt5 qt-signals

Difference between QObject::connect vs connect methods

I am a newbie with Qt. Most of the times Qt developers need to use signals and slots for object …

c++ qt qobject qtcore qt-signals

Q_ENUMS are "undefined" in QML?

Enums are not working out for me. I have registered them with Q_ENUMS() I did not forget the Q_…

c++ qt qml qtquick2 qt-signals

How to Compress Slot Calls When Using Queued Connection in Qt?

After reading some articles like this about Qt Signal-Slot communications I still have a question concerning the queued connection. If …

c++ qt qthread qtcore qt-signals

Passing extra arguments through connect

Is it possible to pass variables through slots so I can print out certain text? Trying to pass variable 'DiffP' …

python python-3.x pyqt pyqt5 qt-signals

How to detect Windows shutdown or logoff in Qt

I am porting a Linux app to Windows written in Qt. The application needs to save some settings before closing. …

c++ windows qt qt-signals qtcore

Using Qt signals and slots with multiple inheritance

I have a class (MyClass) that inherits most of its functionality from a Qt built-in object (QGraphicsTextItem). QGraphicsTextItem inherits indirectly …

c++ qt multiple-inheritance qt-signals