Introduction to Qt Widgets

Traditional syntax: SIGNAL () and SLOT() () and () macros allow Python to interface with Qt signal and slot delivery

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time

qt signal slot example The signals and slots mechanism is type safe The signature of a signal must match the signature of the receiving slot

qt connect signal to slot Here we have tried a signal-slot link The aim of these two lines of code is when the button is pressed the text of the label