[Interest] Slow pointer follow in Qt 5.2.2 (git) on freescale i.MX6 with tslib

Jacob Kroon jacob.kroon at gmail.com
Thu Mar 6 08:53:04 CET 2014


Hi Stefano,

On Thu, Mar 6, 2014 at 8:47 AM, Stefano Cordibella <
stefano.cordibella at edalab.it> wrote:

>  Hi list,
>     using qt 5.2.2 (release branch from git, but I noticed the same issue
> with 5.2.1) on I.MX6 it is impossible to flick on qml elements, because the
> pointer does not "follow" the finger on touchscreen...
>
> The strange issue is that with non-qml application (fingerpaint example)
> or using tslib test application (ts_test) on device the cursor follow the
> finger at higher speed.
> Is this a libqtslibplugin.so or a qml issue?
> I generated the plugin without any option, only qmake, make and make
> install...
>
> I am using tslib library because my touchscreen does not support evdev (it
> is resistive?); I mean, trying to use EvdevTouch does not work at all,
> using EvdevMouse I see the pointer moving on screen, but the click doesn't
> work...
>
> Any suggestion will be appreciated...
>
>
Which qpa backend are you using, xcb, wayland or eglfs ?
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