Extender tutorial on techbase

[Marco Martin]

On Tuesday 02 September 2008, Rob Scheepmaker wrote:
> I've recently written a simple Extender tutorial on techbase, and would
> appreciate some feedback. Is the example clear? Is there stuff I don't
> mention but should? You can find the tutorial on
>
> http://techbase.kde.org/Development/Tutorials/Plasma/UsingExtenders

looked at it and talking with ruphy on a possible popupapplet extension made 
me think about it so now i have a big doubt... :)

in this example it uses a popupapplet to show the extender, that is the same 
approach libplasmaclock uses, but with quite lot of custom code to create and 
display the popup (all in showCalendar() should be literally copied and pasted 
in similar applet, no good :))
so exactly how extenders are meant to be used?
should be usually used as popups? iirc also on canvas right?

for the basic case of an applet with popup should be provided something 
simple, now we have popupapplet, but all there is in a panel is an icon and 
for some cases like the clock this is not adapt...
so there are two options:
in popupapplet adding the possibility ti replace the icon with a generic 
QGraphicsWidget
or
adding something in Applet like showExtender() that makes a popup in the panel 
and maybe adds it in the applet layout when it's on the desktop

or did i miss something fundamental? :P

Cheers,
Marco Martin

> Regards,
> Rob Scheepmaker (pinda)
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