On Wed, Oct 23, 2013 at 07:27:45AM +0200, Patrice B wrote: > Ok. Thanks a lot for this answer ! > > Another question about emulated pointer events, I've noticed that with > emulated button press, of course if my app does not register for XI 2.2, > the .xbutton.subwindow field of the XEvent is always set to zero. If this > button press comes from the mouse, this field is correctly set. Is it a > bug, a normal behaviour, or is there again something wrong with my apps ?
sounds like bug, in general emulated events should have the same data as normal mouse events. Cheers, Peter > 2013/10/23 Peter Hutterer <peter.hutte...@who-t.net> > > > On Thu, Oct 17, 2013 at 11:55:24AM +0200, Patrice B wrote: > > > Hello, > > > > > > I'm working on a kernel evdev driver that provides MT events. This > > device > > > is correctly detected by evdev Xorg driver and I'm able to see MT events > > > using "xinput text-xi2". I wrote also a small program based on xi2 which > > > makes two rectangles follow my fingers on the screen and it works. > > > > > > What is a bit "fuzzy" for me is how programs that don't handle XI2 > > should > > > behave with MT driver. I read > > > http://who-t.blogspot.fr/2011/12/multitouch-in-x-pointer-emulation.html, > > > and I thought common application such as xev should received emulated > > > classic X events. They don't receive anything in my case. Should they ? > > > Does something about this emulation needs to be done in kernel driver ? > > > > the server decides which client gets MT and which one gets an emulated > > pointer on a per-client basis. your test program that registers for XI 2.2 > > won't see pointer emulation, but xev still should. Last I checked, this > > worked here. > > > > either way, there's nothing you need to do in the kernel driver. if you > > speak the MT protocol B, the rest should be handled automatically. > > > > Cheers, > > Peter > > > > > > _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.x.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com