How to handle widget events using PyQt signal and slot mechanism

Define a custom slot function custom_slot() that receives and prints the value sent by the signal In the main() function, we create the PyQt

PyQt4 has a unique signal and slot mechanism to deal with events Signals and slots are used for communication between objects A signal is

pyqt signal slot The signal is connected to the close slot of the QMainWindow class Communicate: closeApp = pyqtSignal() A signal is created with the

slot io Hi all, the signalslot system of Qt is a very helpful mechanism for implementing callbacks I was wondering if I can create my own signals