[Bug 721471] [NEW] evdev is not compatible to QT-applications when using tablets

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Binary package hint: xserver-xorg-input-evdev

Hello,

evdev has the problem that it is not compatible to QT-Applications, I have tested this with a self-programmed software.
Tested this in kubuntu 11.04 daily build (2011-02-18).
I think QT-Applications like Krita, ... doesn't work, too (based on previous experience)

evdev is not compatible to the QTabletEvent from QT, see here:
http://doc.qt.nokia.com/4.7/qtabletevent.html

See here, too, there is described that it works with WIZARDPEN-driver in
ubuntu 9.10 but doesn't work in 10.10:
http://ubuntuforums.org/showthread.php?t=1597558

9.10 config works (with WIZARDPEN) with setting device name to "stylus" in 9.10
with that line: <merge key="info.product" type="string">stylus</merge> in hal-config of wizardpen

I'm using the wacom driver for my Genius G-Pen F610 tablet. This work's fine.
But there are other tablets have perhaps a need for the evdev driver - I don't know.
With kubuntu 11.04 daily-build (2011-02-18) now my tablet works fine in GTK-applications (in (k)ubuntu 10.10 evdev doesn't work fine - see ubuntuforums link (click event when only moveing the stylus)).

How long it does until the much tablet drivers: wizardpen, aiptek, evdev and wacom are going into one driver (a.e. the wacom driver)?
It clould be that X11 could be replaced by Wayland, that you have heared - I think.
I dont't know if this too much of work (making evdev working with QT), if X11 will replaced to Wayland or the much tablet drivers going into one.

Best regard and thanks

Stefan Koch

** Affects: qt4-x11 (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: kubuntu
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evdev is not compatible to QT-applications when using tablets
https://bugs.launchpad.net/bugs/721471
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