Hi Chase, > I've spent the last week and some rewriting the touch event handling > internals of the X server. At this point I feel much more confident > about how events are handled for touchscreens. The touch event delivery > is integrated with pointer event grabs, which is necessary for some > circumstances. For example, your window manager raises windows to the > front using a pointer grab. Now that touch events are integrated with > pointer grabs, we can raise touch aware windows properly.
Great! > I've also incorporated the XI 2.1 renaming that I described a little > over a week ago. Sorry for the delay as I worked on the above stuff. > > The Natty feature freeze deadline is this Thursday, so we are looking to > upload the multitouch work by then. I'm hoping that we can get some good > test reports on Monday (which may be today if you're on the other side > of the world from me :), and then we can push the work to Ubuntu on Tuesday. > > To meet these goals, I would like everyone who can to test out the > xorg-unstable ppa. Since the changes involve tweaking the core pointer > event handling in the x server, we need to know asap of any issues like > stuck buttons or an inability to move the cursor. Extra thorough testing > using multitouch touch screens would be double-plus good too :). Here are results from some preliminary test: 1. After grabbing, rejecting with XITouchOwnerRejectEnd seems to work, but XITouchOwnerRejectContinue does not let the touches through to the window manager. 2. Running mtview in XI mode reveals a problem with pointer logic - the first finger is moving the pointer around, whereas the remaining fingers paint the canvas. This holds true regardless of prior grabs (like xinput test-xi2 running). > If you want to test out the multitouch features, I suggest installing > the qt4-demos package from the ppa. You can find four multitouch demos > in /usr/lib/qt4/examples/touch. I am hopeful that we may be able to push > Qt multitouch support into Natty as well, so testing here would be great > too! To see touch events, you can install the xinput utility from the > ppa as well and run "xinput test-xi2". However, it has a known bug right > now that may cause it to freeze your cursor when using a touchscreen > device. This is a bug with xinput itself, not with the stack, and if you > kill xinput it should return control of your pointer. Essentially, > xinput isn't always rejecting or accepting touches right now, and I > haven't had a chance to fix it up. > > Thanks for your help! And thanks for doing this! Awesome! Henrik _______________________________________________ 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
