Support for Signals and Slots — PyQt Reference Guide

You can't pass parameters to signal when you connect Parameters are passed to the signal when the signal is emitted Same applies to slots:

Have a look at the declaration of the static connect function: C++ connect(const QObject *sender, const char *signal, const QObject

qt connect signal to slot with parameter Ruby and Qt; using 'qtbindings' example of using signals and slots, demonstrating how to use parameter-less, simple and class-parameter for sending signals

qt signal slot In the old-style syntax, you use the SIGNAL() and SLOT() macros to specify the signals and slots you want to connect Here's an example: In this