<div dir="ltr"><div><div>Thanks, I've created a ticket : <a href="https://bugs.freedesktop.org/show_bug.cgi?id=70790">https://bugs.freedesktop.org/show_bug.cgi?id=70790</a><br><br></div>Regards.<br><br></div> Patrice<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/10/23 Peter Hutterer <span dir="ltr"><<a href="mailto:peter.hutterer@who-t.net" target="_blank">peter.hutterer@who-t.net</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On Wed, Oct 23, 2013 at 07:27:45AM +0200, Patrice B wrote:<br>
> Ok. Thanks a lot for this answer !<br>
><br>
> Another question about emulated pointer events, I've noticed that with<br>
> emulated button press, of course if my app does not register for XI 2.2,<br>
> the .xbutton.subwindow field of the XEvent is always set to zero. If this<br>
> button press comes from the mouse, this field is correctly set. Is it a<br>
> bug, a normal behaviour, or is there again something wrong with my apps ?<br>
<br>
</div>sounds like bug, in general emulated events should have the same data as<br>
normal mouse events.<br>
<br>
Cheers,<br>
Peter<br>
<div class="HOEnZb"><div class="h5"><br>
> 2013/10/23 Peter Hutterer <<a href="mailto:peter.hutterer@who-t.net">peter.hutterer@who-t.net</a>><br>
><br>
> > On Thu, Oct 17, 2013 at 11:55:24AM +0200, Patrice B wrote:<br>
> > > Hello,<br>
> > ><br>
> > > I'm working on a kernel evdev driver that provides MT events. This<br>
> > device<br>
> > > is correctly detected by evdev Xorg driver and I'm able to see MT events<br>
> > > using "xinput text-xi2". I wrote also a small program based on xi2 which<br>
> > > makes two rectangles follow my fingers on the screen and it works.<br>
> > ><br>
> > > What is a bit "fuzzy" for me is how programs that don't handle XI2<br>
> > should<br>
> > > behave with MT driver. I read<br>
> > > <a href="http://who-t.blogspot.fr/2011/12/multitouch-in-x-pointer-emulation.html" target="_blank">http://who-t.blogspot.fr/2011/12/multitouch-in-x-pointer-emulation.html</a>,<br>
> > > and I thought common application such as xev should received emulated<br>
> > > classic X events. They don't receive anything in my case. Should they ?<br>
> > > Does something about this emulation needs to be done in kernel driver ?<br>
> ><br>
> > the server decides which client gets MT and which one gets an emulated<br>
> > pointer on a per-client basis. your test program that registers for XI 2.2<br>
> > won't see pointer emulation, but xev still should. Last I checked, this<br>
> > worked here.<br>
> ><br>
> > either way, there's nothing you need to do in the kernel driver. if you<br>
> > speak the MT protocol B, the rest should be handled automatically.<br>
> ><br>
> > Cheers,<br>
> > Peter<br>
> ><br>
> ><br>
> ><br>
</div></div></blockquote></div><br></div>