[PyKDE] Issue with QDialog and lifetime

Toby Dickenson tdickenson at devmail.geminidataloggers.co.uk
Thu Jul 7 15:30:36 BST 2005

On Thursday 07 July 2005 15:01, Phil Thompson wrote:

> The original proposal would cause problems in the following scenario...
> 1. One or more modal dialogs that are hidden when not used, rather than
> being re-created each time they are needed.
> 2. The dialogs are Python sub-classes of QDialog or the dialog has
> instance objects (ie. there are useful Python objects tied to the C++
> instance).
> 3. No application references to the dialogs are maintained. The
> application relies on finding a dialog again by searching its parent's
> children.

....nor relies on the dialog staying alive to respond to events or signals. 

> This would seem to be an untypical way of doing things - is anybody going
> to shout that their 5 million line application relies on this technique?

I *think* it should be problem-free, but Im not feeling confident about being 
able to reliably anticipate any problems. I would be happy to test if there 
was a patch for existing PyQt versions.

Toby Dickenson

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