-------- Original Message -------- Subject: Re: [Private-sparsha-dev] tablets and auto-rotation Date: Thu, 1 Jul 2010 16:17:43 +0200 From: Mohamed Ikbel Boulabiar <boulab...@gmail.com> To: Alberto Milone <alberto.mil...@canonical.com> CC: Rafi Rubin <r...@seas.upenn.edu>, Rick Spencer <rick.spen...@canonical.com>, Bryce Harrington <br...@canonical.com>, Kees Cook <kees.c...@canonical.com>, "Duncan M. McGreggor" <duncan.mcgreg...@canonical.com>
On Tue, Jun 29, 2010 at 12:38 PM, Alberto Milone < alberto.mil...@canonical.com> wrote: > On 29 June 2010 07:44, Rafi Rubin <r...@seas.upenn.edu> wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On 06/28/10 14:00, Kees Cook wrote: > >> Hi Bryce, > >> > >> On Mon, Jun 28, 2010 at 09:23:46AM -0700, Bryce Harrington wrote: > >>> On Mon, Jun 28, 2010 at 11:45:18AM -0400, Chase Douglas wrote: > >>>> On Mon, 2010-06-28 at 15:38 +0200, Alberto Milone wrote: > >>>>> I couldn't attend the UDS but I know that Federico Mena Quintero (at > >>>>> Novell) was working on this in a separate branch of the > >>>>> gnome-settings-daemon but he hasn't committed anything upstream yet > (I > >>>>> guess he's focusing on different projects): > >>>>> > http://git.gnome.org/browse/gnome-settings-daemon/log/?h=randr-rotate-wacom-tablet > >>>>> > >>>>> As Rafi said, this solution also involves setting a gconf key to tell > >>>>> the daemon whether we want it to rotate input devices or not when > >>>>> screens are rotated. > >>>>> > >>>>> Currently Federico's code makes use of the xsetwacom tool instead of > >>>>> using Xinput (which is what we need). I'm very familiar with the > >>>>> gnome-settings-daemon code and, if there's enough interest at > >>>>> Canonical, I'm available to work on it but I don't own any Ntrig > >>>>> touchscreen and I can't use my Stantum tablet because it doesn't work > >>>>> with xinput Calibration. > >>>> > >>>> I'll second this approach. I believe this is the correct place to fix > >>>> the issue. I'll let Duncan handle how to pour resources into this, but > >>>> this looks promising. > >>> > >>> Kees Cook was also working on patch to g-s-d to solve this problem on > >>> his laptop at UDS. IIRC, he'd also implemented it using xsetwacom, but > >>> we'd also talked about the changes to xinput; I don't know if he > updated > >>> his patch for that, but I'm CCing him. > >>> > >>> Kees - mind pointing us to your tablet rotation patch? Would at least > >>> be interesting to have it to compare with Federico's code. > >> > >> Sorry I didn't send this earlier, I kept getting distracted by other > >> things. Yes, I wrote it to use XInput. Also, it seems that g-s-d is > not > >> actually the right place to put this, as it is just one of many tools > that > >> could be issuing a rotation request. The patch is actually needed in > >> gnome-desktop. > >> > >> I've attached it here and to https://launchpad.net/bugs/599478 > >> > >> -Kees > > > > Ok, good to see. Is there a built version available in a ppa or other > repo? > > > > Also looks like it should be easy to add evdev stuff as well. > > > > Now for the tough part, for wacom devices in particular how should we > decide the > > defaults for which to auto rotate and which not too? I'm sort of > wondering if > > it might just be prudent to brute force it with a list. > > > > Simply differentiating pen and touch is insufficient. Most of the wacom > touch > > screens seem to have pen, and we would want to rotate those pens. We > also see > > devices like the bamboo tablets which identify as touch, but aren't > attached to > > the screen and shouldn't auto rotate. > > > > And then there's messes like ntrig devices, where we're moving towards > using > > evdev for touch and the wacom x driver for pen :) > > > > Rafi > > I've just forwarded you an email that Kees sent to Federico so that we > can continue the discussion there. You might want add the details of > your last email there, so that we can all access them (Federico works > for Novell). > > Regards, > > -- > Alberto Milone > Sustaining Engineer (system) > Foundations Team > Canonical OEM Services For the rotation input issue, it seems other guys have solved this problem http://www.dailymotion.com/video/xdhnv5_pilote-hidtouch-demo-rotation-ecran_tech They automatically detect the rotation <http://www.dailymotion.com/video/xdhnv5_pilote-hidtouch-demo-rotation-ecran_tech> ik. _______________________________________________ Mailing list: https://launchpad.net/~multi-touch-dev Post to : multi-touch-dev@lists.launchpad.net Unsubscribe : https://launchpad.net/~multi-touch-dev More help : https://help.launchpad.net/ListHelp
