2009/4/8 Kevin Ottens <er...@kde.org>: > On Saturday 28 March 2009 04:21:25 Ben Cooksley wrote: >> Visually, I propose using a approach similar to the widget used to >> select the Phonon backend, with "Defer" / "Prefer" buttons at the >> bottom of the list. > > And actually Phonon should be a target to porting to a new shared backend > selector. Sounds great, although these also have configuration attached to them. I suppose that the KService method would allow retrieval of the information needed to show this.
> >> === Proposed specification == >> >> SolidBackendSelector( QWidget *parent, QString type ) // type is the >> backend type that is going to be configured > > If it ever reaches kdelibs, obviously the class name would need to be changed. > Probably to a "KBackendSelector" or such. > >> Functions: >> void saveConfiguration() >> void defaultConfiguration() > > I guess that load()/save()/defaults() works better as it matches KCM linguo > (and AFAIK this new class would be mainly used in KCMs). I believe this is what was chosen when it was submitted to reviewboard. ( Dario: Was that committed to playground? ) > >> KIcon backendIcon() >> QString backendName() >> QString backendComment() >> QString backendVersion() > > You can probably merge all of that in a single method which would be: > KService::Ptr selectedBackend() const; Sounds more sensible. > > This way the user of the class can query all the service information he needs, > even some stuff which would be specific to him. With your proposed API you're > limiting this ability. > >> Signals: >> void selectionChanged() void selectionChanged(bool change) maybe? Where change would be true when it has changed from the originally selected item. > > For this one you have to also carry some information to tell if it changed to > the initial value or not. Again in the case of a KCM that's needed to know if > we have to enable or not the Apply button. Use case is the following: > - I show the widget, we already have a backend X and it's selected, Apply is > disabled > - User selects the backend Y, Apply is enabled > - User selects the backend X again, Apply should be disabled again. > You can only do that if you memorize that X was the previously selected one, > and provide the information to the outside. > > Regards. > -- > Kévin 'ervin' Ottens, http://ervin.ipsquad.net > "Ni le maître sans disciple, Ni le disciple sans maître, > Ne font reculer l'ignorance." > > _______________________________________________ > Kde-hardware-devel mailing list > Kde-hardware-devel@kde.org > https://mail.kde.org/mailman/listinfo/kde-hardware-devel > > Cheers, Ben Cooksley. _______________________________________________ Kde-hardware-devel mailing list Kde-hardware-devel@kde.org https://mail.kde.org/mailman/listinfo/kde-hardware-devel