qpushbutton signals - Python Tutorial

python signal slot   Dan python slot

Each PyQt widget, which is derived from QObject class, is designed to emit 'signal' in response to one or more events The signal on its own does not perform

So idle works as expected When I send real messages I can see that the signal is emitted properly, the slot is called properly But after a If called outside of a slot activated by a signal, -1 is returned Python PyQt-SpinBox · Python-gui · Python-PyQt Practice Tags : python

cristaltec slot You'll need to do two things before building the signalslot connection: Verify that activeLayer() is in fact returning a QgsMapLayer Any function of any object can be used as a slot in Python This contrasts to C++, where you need to specially