[PyKDE] Re: Singleshot problems in QThreads on Windows.

[David Boddie]

On Mon, 23 Aug 2004 10:44:30, Truls A. Tangstad wrote: 
 
>On Sun, Aug 22, 2004 at 04:34:09PM +0200, David Boddie wrote: 
 
>> My current solution is to post events from the non-GUI QThread, but not 
>> include any data with them. The data is stored separately in a Python 
>> object. I think that the interpreter can access the attributes of 
>> pure-Python objects from any thread, and this appears to work well, but 
>> you may be experiencing issues that prevent you from using this approach. 
> 
>What kind of events are you posting? 
 
I'm posting custom events from a non-GUI QThread like this: 
 
    event = QCustomEvent(99999) 
    self.postEvent(self.receiver, event) 
 
These are handled in the customEvent method of a class in the main/GUI 
thread. 
 
>> The code for qpython-0.55 should get uploaded today. It's not very pretty, 
>> but I hope that you get something worthwhile out of it! 
> 
>I could not find any link or reference to it on the PyQt Wiki though. 
 
Sorry about that. I couldn't actually upload the package to my hosting 
provider. I've now added a link on the Wiki: 
 
http://www.diotavelli.net/PyQtWiki/DevelopmentWithPyQt 
 
>Thanks! Our current poll based implementation is working, but we'd 
>really like to go back to using postEvent with data if we can get that 
>working. 
 
Maybe the trick is to ensure that the data is accessible, or at least 
copied properly. I keep hoping that a higher authority will intervene and 
give the definitive answer to your problem, but maybe we'll have to work it 
out for ourselves. 
 
David 


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