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Help with pysignals with QT

root root at localhost.localdomain
Sat Jan 19 14:48:13 EST 2002 
Thanks so much, 

I can stop pulling out my hair now :)

I didn't know about the book but I will sure be checking it out.

Tony

Boudewijn Rempt wrote:

> root <root at localhost.localdomain> wrote:
> 
>> I have been trying various permutations around this for several days
>> without success, I dont know if the signal isn't being emitd or if theres
>> something wrong with my connect statement.
> 
> Here's a working version. (I've taken the liberty of
> changing confusing statements like test=test() to
> test=Test().)
> 
> from qt import *
> import sys
>          
> class Test(QObject):
> 
>     def __init__(self):
>          QObject.__init__(self)
>         
>     def send(self):
>          print "about to emit"
>          self.emit(PYSIGNAL("pySig"),())
>          print "emit"
>          
> class Message:
> 
>     def hello(self):
>         print "The slot called"
> 
> class Join:
> 
>     def __init__(self):
>         print "in join"
>         self.m = Message()
>         self.t = Test()
>         QObject.connect(self.t, PYSIGNAL('pySig'),
> self.m.hello)
>         print "connected"
> 
> j = Join()
> j.t.send()
> 
> First, you don't need the QApplication object. QObject.connect
> is a static in C++, and a class method in Python, so you
> call it directly. Secondly, you initially didn't call send() on
> the right object.
> 
> I take it you know already about the book at http://www.opendocs.org?
> It should have been printed now, and I expect to be very busy setting
> up the web forum with downloads of updated code, errata and so on.
>
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