4.5 polishment: krunner (under_the_hood)

[Jacopo De Simoi]

> Am Montag 08 März 2010 22:43:33 schrieb Jacopo De Simoi:
> > > Am Montag 08 März 2010 01:28:23 schrieb Aaron J. Seigo:
> > > > On March 7, 2010, Lukas Appelhans wrote:
> > > > > I can give a patch if needed of course... it's just a matter of
> > > > > porting it from the app-runner to main KRunner...
> > 
> > I'd love to see the patch!
> > 
> > Further, I've a question, since I don't really have any real experience
> > with developing with nepomuk: how does this sorting thing would actually
> > /perform/ in krunner? I can see it working ok in a "menu" context, where
> > queries are pretty much hardcoded, but in krunner we need ideally an
> > instant reaction to user queries; I'm afraid that querying nepomuk at
> > (basically) each keystroke could potentially take some time. Please tell
> > me I'm wrong :)
> Well Nepomuk should be fast, at least if it uses a suitable backend (Virtuoso 
> :))...
Does each query still need a dbus roundtrip?  That can be quite slow in fact :/
 
> At the moment, we just compute a score out of the click-count/click-time/last-
> score... not for each keystroke, but for each program...

Yes, but new programs may come up with each keystroke, and this would lead to 
a computation for each keystroke, at least if I understand correctly....

> 
> I will check whether it makes sense or is easily doable to change to every 
> keystroke or not :)
> 
> Lukas
> > 
> > __J
> > 
> > > > yes, it makes zero sense to make things specific to a runner. there is
> > > > no guarantee that other runners won't return applications (and in fact
> > > > the Shell runner already does) and non-application matches are no less
> > > > relevant/interesting. so a generalized patch would be good.
> > > 
> > > Ok, I will work on that once I have time (next 2 weeks will be quite busy
> > > ;))...
> > > 
> > > Lukas
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> > 
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