Qt Tutorials For Beginners - Qt Signal and slots -

2 Answers 2 You would need to use a more recent version of QGIS to use the checkedItemsChanged signal The signal not being emitted was indeed

This page shows Python examples of SIGNAL

bc game crash signals If your program has long running computations running in other threads or processes, you can use to block a test until a signal is emitted

pyside signal If I understood your question correctly, you can use lambda to achieve what you want: from PySide import QtCore class Button: