Hi I have a problem using Qt on a multi-touchscreen setup. The description of the problem and what I have done so far follows.
Ubuntu 10.10 / Qt 4.7.0 The required setup should work similar to a multi-seat setup, meaning that a user (or two users) should be able to work independently on each monitor (simultaneous clicks, press, release). I configured X to use two touch screens and two pointers, one for each screen. This setup works as expected. I even tested it with a demo app similar to Qt- demos fingerpaint, but using native X / XInput2 calls. http://gitorious.org/vinput After doing this, the next step was to test Qt/X11. I compiled the demo app fingerpaint. ...and it does not work. I touch the screen, the pointer moves... but nothing else... I even wrote a mini-app to see what is (not) happening... and all the events I could see were mouse{press,release,click}. No touch events. The app behaves like there is a single mouse and one pointer steals the other one's events when interaction happens simultaneously. I looked then into the Qt source and I saw that Qt does not use XInput2... so this could be the problem. On the other hand I saw that the meego/mer guys were using a xinput-mtev driver... but I haven't tested it yet. Probably on Monday. (Any one tested this?) So... my questions are: 1. What is the current state of multitouch in Qt/X11? 2. Has anyone tested something similar?... Qt + Multitouch? on Linux? 3. Is there a solution to my problem?... Thank you. -- Robert Voinea IT Specialist +4 0740 467 262 Don't take life too seriously. You'll never get out of it alive. (Elbert Hubbard) _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
