PyQt Variables

gregarican greg.kujawa at gmail.com
Thu Jan 5 22:21:03 CET 2006


Diez B. Roggisch wrote:

> Looks (or better smells) like a design smell to me. In Qt,and especially
> PyQt, you rarely subclass widgets, as that makes you lose the
> possibility to use the fabulous designer. The only thing I subclass in
> PyQt are the designer-generetaed top-level-classes.  Can be a widget, or
> sometimes dialogs.
>
> QObjects usually communicate using signals/slots. That ensures a nice
> weak coupling of components and enforces good MVC design. If you
> absolutely must share state by means of instances of widgets,
> explicietly introduce them to each other. No globals needed!
>
>
> Additionally, what you experience is the fact that python only knows
> module-global variables. See
>
>
> http://www.faqs.org/docs/diveintopython/dialect_locals.html
>
>
> for an introduction.
>
>
> Regards,
>
>
> Diez

Thanks for the reply. Makes perfect sense now that you point this out!




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