There are signals clicked(bool)
and toggled(bool)
:
If the button is checkable, checked is true if the button is checked, or false if the button is unchecked.
http://pyqt.sourceforge.net/Docs/PyQt4/qabstractbutton.html#clicked http://pyqt.sourceforge.net/Docs/PyQt4/qabstractbutton.html#toggled