[Qt-interest] Unable to produce touchevents

[situ117 at yahoo.com]

Hello,

Are there any exact instructions available online which can help me in 
adding support for touch events in X11 for Qt.

Regards,
Siteshwar Vashisht


Thiago Macieira wrote:

> 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.
>