[Qt-interest] Unable to produce touchevents

[Thiago Macieira]

On Friday 6. August 2010 13.41.52 situ117 at yahoo.com wrote:
> Hello,
> 
> I'm trying to add support for touchpad in my software; I've following
> code:
> 
> TouchTest::TouchTest(){
>   setAttribute(Qt::WA_AcceptTouchEvents);
> }
> 
> bool TouchTest::event(QEvent* event){
>   qDebug()<<"TouchTest::event()";
>   switch(event->type()){
>   case QEvent::TouchBegin:
>   case QEvent::TouchUpdate:
>   case QEvent::TouchEnd:
>     qDebug()<<"TouchEvent()";
>     return true;
> 
>   }
> 
>   return QWidget::event(event);
> }
> 
> 
> But none of the three touch event is generated when I move fingers on
> my touchpad.
> 
> I'm running Kubuntu 10.04 with Qt 4.6.2 on my Lenovo y500 3000
> notebook.

You need to patch both X.org and Qt in order to receive touch events in X11. 
The multitouch branch for Qt is public (search gitorious.org/qt). The 
equivalent patch to X.org isn't.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
      PGP/GPG: 0x6EF45358; fingerprint:
      E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358
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