PyQt Tips and Tricks

With Meego there is a lot of interest in developing applications in Qt rather than GTK. This page spawned from a discussion thread.

Tips and Tricks

Identifying the Sender of a Signal

There are two main approaches for this. The first is to wrap the slot with a lambda to pass in any additional arguments

def notifyMe(foo)
  print foo
x = lambda: notifyMe("they call him tim")
self.connect(b, SIGNAL("clicked()"), d.close)
self.connect(f, SIGNAL("clicked()"), x)

The second and more general solution is to use the QSignalMapper