Re: grub2 and touch screen

[Andrei Borzenkov]

В Sat, 27 Jun 2015 14:26:24 +0200
Michael Zimmermann <address@hidden> пишет:

> if this is the case it should actually by kinda easy.
> You may want to take a look at this project to get an idea of how to
> implement the UI part of this:
> https://bitbucket.org/byteit101/grub-mouse.git
> 

It emulates key up/down on mouse movement which does not fit well into
touch screen/tablet design. I'd rather prefer generic framework to
associate screen coordinates with GUI elements and define "click
events", so that both relative and absolute modes could be used. 

> On Fri, Jun 26, 2015 at 10:38 AM, Andrei Borzenkov <address@hidden>
> wrote:
> 
> > В Wed, 24 Jun 2015 20:15:23 +0200
> > Michael Zimmermann <address@hidden> пишет:
> >
> > > doesn't your device have any buttons(volume?) without the keyboad?
> > > That would be way easier then adding touchscreen support especially if
> > UEFI
> > > doesn't provide a API for that(which I guess it doesn't).
> > >
> >
> > Actually UEFI defines both relative and absolute pointer protocols.
> > Writing driver for it would be interesting project (not sure of GSoC is
> > still relevant, related pages on grub web site were not updated for
> > years; I also do not know who is responsible for content).
> >
> > > On Wed, Jun 24, 2015 at 2:06 PM, Theodore Christophe <
> > > address@hidden> wrote:
> > >
> > > > hello all,
> > > >
> > > > First of all, thank-you for your works.
> > > >
> > > > I have installed Fedora21 on my laptop (Medion all in one) with dual
> > boot,
> > > > and every-thing is working fine.
> > > > Grub2 give me the choice between win8.1 and FC21, and other rescue.
> > > >
> > > > BUT when I use my laptop as touch pad (by removing the screen), with no
> > > > keyboard, I could not select the boot I want to use. Fedora is the
> > default
> > > > and the touch screen is working fine after.
> > > >
> > > > Do you think that grub can manage the touch screen (something like two
> > > > button win81 and FC21) ?
> > > >
> > > > Thank you for your attention,
> > > > Christophe
> > > >
> > > > _______________________________________________
> > > > Grub-devel mailing list
> > > > address@hidden
> > > > https://lists.gnu.org/mailman/listinfo/grub-devel
> > > >
> >
> >