How to connect signal and slot in different classes in Qt?

Qt creator编写python qt6 for python_mob6454cc6aab12的技术博客 qt connect signal slot Enter Qt ! In Qt 6, I have added the convenience Qt::SingleShotConnection connection flag that you can pass as the fifth argument of QObject qt slot signal Hi all, I have a TCanvas in a QT application which I update by a QT timer event When the user closes the TCanvas window, I get a segfault

qt signal slot example The connect method has a non python-friendly syntax It is necessary to inform the object, its signal and a slot to be connected to