[Bug 762938] Re: Wacom Pressure broken with QT applications

Alexei 762938 at bugs.launchpad.net
Wed May 18 02:31:51 UTC 2011


I have this problem too since upgrading to 11.04 which is a royal pain
in the * when developing a tablet application in QT. The tablet is
working fine as can be confirmed by using gtk apps so I don't think
recording input events will be useful at all. This might  be caused by
an old issue - it used to be that QT had the names 'stylus', 'pen', and
'eraser' hardcoded into it. If the devices are called something else
then QT just processes pen and eraser as mouse events hence no pressure
information.

Ubuntu 9.04 renamed the wacom devices and broke the tablet events on QT
but this could be fixed by rewriting the names using HAL. 10.10 worked
fine but I have a mongrel of an installation.

If this is the cause then https://bugs.launchpad.net/ubuntu/+source
/xserver-xorg-input-evdev/+bug/721471 is a duplicate bug.

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https://bugs.launchpad.net/bugs/762938

Title:
  Wacom Pressure broken with QT applications




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