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List: pykde
Subject: Re: [PyKDE] Updating PyQt widgets question
From: Gordon Tyler <gordon () doxxx ! net>
Date: 2003-11-19 16:43:04
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Eric Williams wrote:
> I've re-written my app so that it uses a QTimer and timerEvent method to
> update the widgets, and that the long-running routine (actually an FTP
> download) runs in a thread; that works like I expected. I guess my question
> is, is using a QTimer the 'correct' way to update widgets during an expensive
> routine like the one above? And what sort of widgets can be reliably updated
> from within a function?
QTimer is one way to go. You could also post custom events from your
long-running thread to the GUI thread and have your widgets process
those events to update their state.
Be sure to read this: http://doc.trolltech.com/3.2/threads.html,
especially the part about Thread-safe Event Posting.
Ciao,
Gordon
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