To be specific, the patch would be kubuntu_28_xi2.1.patch (patch which comes from a branch that is not judge of sufficient quality for Qt4.8...) and a first try could be to update to a more recent version of it: http://qt.gitorious.org/+qt-developers/qt/multipoint-touch/trees/4.7-with-xinput2.1/
To be specific, the patch would be kubuntu_ 28_xi2. 1.patch (patch which comes from a branch that is not judge of sufficient quality for Qt4.8...) and a first try could be to update to a more recent version of it: http:// qt.gitorious. org/+qt- developers/ qt/multipoint- touch/trees/ 4.7-with- xinput2. 1/