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Wacom Tablet Support Might Be Axed From Qt 5

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  • #31
    Working on 5.3

    Hi guys!

    Created an account here just to tell you that wacom is now working on linux with Qt5.3. Therefore we now have wacom support on Qt5 for Linux, OSX and Windows. Go test it out!


    • #32
      Please test the 5.4 beta

      In more recent times, the Krita developers have been interacting directly with us: they reported specific bugs, and came to the 2014 Contributors' Summit to discuss them. So I have focused on getting tablet support more usable and behaving consistently across platforms for Qt 5.4. The alpha is already out, and the beta will be out soon, so I would like to suggest that anyone who notices this in time should help to test it and see if there are any more problems.

      We (Digia, now The Qt Company) already had an Intuos 3 in the office for years; later I bought a Bamboo Pen & Touch to test the touch functionality as well. Recently I have acquired two Genius tablets (since they are notorious for weird firmware): the G-Pen F610 and the 560; and Wacom has provided an Intuos Pro for testing too. I asked for one from Huion but they have not sent it yet. And my personal laptop is a Thinkpad Helix which has a Wacom stylus. So, it's now possible to test all of these on all 3 OSes (except for the Helix not running OSX, obviously). As far as I can tell, they should all be behaving much better in Qt 5.4, as long as the right drivers are installed and working, and they are configured in a usable way (you need to ensure that in-driver touch gesture recognition is disabled, especially on Linux, so that Qt can receive the individual touch points, if that's what you expect in your application; and if you remap buttons etc., it has an impact on Qt applications too, of course). You can use either evdev or wacom drivers on X11, but it works better if you use the very latest wacom driver (xf86-input-wacom 0.26 at this time), because of some bug fixes that Wacom's driver developers have done recently, and because evdev doesn't support the whole feature set.

      The bugs which we discussed at QtCS 2014 can be found here:

      On top of bug fixes, perhaps the most significant new feature is that QTabletEvent has buttons now, just like QMouseEvent. So you don't have to reject tablet events just so that you can get mouse events to find out which buttons were pressed (on the stylus and on the tablet itself).

      It's still true that there are not enough people in the office testing Wacom tablets. And, I'm not an artist (well, maybe to a certain extent now and then ;-) . So we do rely on community effort to help out with that and report bugs.