Qt 4.3: tabletapplication.cpp Example File (widgets/tablet/tabletapplication.cpp)

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# tabletapplication.cpp Example File
widgets/tablet/tabletapplication.cpp

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     #include <QtGui>

     #include "tabletapplication.h"

     bool TabletApplication::event(QEvent *event)
     {
         if (event->type() == QEvent::TabletEnterProximity ||
             event->type() == QEvent::TabletLeaveProximity) {
             myCanvas->setTabletDevice(
                 static_cast<QTabletEvent *>(event)->device());
             return true;
         }
         return QApplication::event(event);
     }