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On Sunday 16 March 2008, Thiago Macieira wrote:
> Lubos Lunak wrote:
> >- session management doesn't work - ksmserver restores "its" version
> > (i.e. run KWrite from KDE3 in KDE4, you get the KDE4 version after
> > next login)

Which is exactly what I'd expect.


> This happens to anything that you have more than installed more than
> once in your system. For instance, I have a distribution-provided
> Skype and one I downloaded (the latest version).
>
> Your patch isn't solving that. Why don't applications simply tell the
> session manager the path to their executables, or however they prefer
> to be run?
>
> Of course it isn't going to solve the problem for old applications,
> but we'd be future-proofing against this problem happening again.
>
> So, concluding: instead of saving the "kde version", save the command
> that the application wants to be run with.

That will not work for roaming users where the application executables=20
might live in different path on different computers. (I have no idea=20
whether this is a realistic scenario.)

Also I'd expect the first app in the path to be started by sm, e.g. if I=20
compile an app myself and put it in /usr/local/bin then I want this=20
version to be started by sm, and if I delete the self-compiled version=20
again then I'd expect the original version to be started again. But=20
then, that's just me.

One other thing: On updating from KDE 3 to KDE 4 the entire session will=20
be lost for distributions (e.g. openSUSE) which put KDE 3 in /opt/kde3=20
and KDE 4 in /usr. Sure, it's just a one time thing, but IMO it gives a=20
bad impression on the first start of KDE 4. OTOH, if on first start of=20
KDE 4 all the apps (or rather their KDE 4 equivalents) I had running in=20
my KDE 3 session were started in the KDE 4 session I'd be very=20
impressed.

So I guess the question is: Which drawbacks are more severe? And is the=20
problem with mixing KDE 3 and KDE 4 actually a problem at all? Or is=20
there simply a difference between Lubos's expectations and reality?


Regards,
Ingo

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