On Thu, Feb 19, 2015 at 01:54:17PM +0200, Nikolai Kondrashov wrote: [...] > >>>Last, I think we could add these tablets in the libwacom project, so that there > >>>will be a nice GUI to configure the buttons. > >> > >>That would be a very welcome change, without doubt, thank you. > >> > >>However, I can't help wondering, would it be more productive to allow libwacom > >>to work with just any basic tablet, without the need to add each one to the > >>database? > > > >Actually, libwacom is not tight to Wacom devices at all (or should not > >be). It is just a database of devices to add what the kernel doesn't or > >can not provide. The things that are in the db are for example how the > >buttons are physically mapped on the device, what is the actual layout > >(one svg file), if there are LEDs attached to the tablet. > > > >All this needs a fine per-device tuning. We can add a generic > >Huion/UClogic tablet too, but having a specific per-device definition > >allows to show the exact mapping of the buttons on the overlay when > >setting the functions. > > I agree, that's a nice feature. However, I think being able to configure all > the applicable Wacom driver features relatively comfortably, even if the > tablet on screen doesn't exactly match your tablet, is still a win, compared > to not being able to do it. > > For the unknown tablets we can just draw abstract tablets, emphasising that > control locations on the screen don't map to the actual locations. For > example, have the tablet drawn like an exploded diagram: surface, buttons, > dials - all separate. Something like this: > > Buttons: * * * * * * * > Dials: O O > Work area: +------------+ > | | > | | > | | > +------------+ > > I think the users will be able to figure out the mapping by experimentation. > > While it's just about possible to keep an up-to-date database of Wacom > tablets, I don't think we'll ever be able to list all those generic tablets > out there. Meanwhile a lot of people are left in the cold of xsetwacom and > xinput. not a reason to give up, IMO. most of these generic tablets are relatively simple, so adding a libwacom entry should be a matter of minutes. we'll never get full support of everything, but perfect is the enemy of good here. Cheers, Peter -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
