8 void wheelEvent(QWheelEvent *
event);
9 void scrollWithPixels(
QPoint point);
10 void scrollWithDegrees(
QPoint point);
15void MyWidget::wheelEvent(QWheelEvent *
event)
17 QPoint numPixels =
event->pixelDelta();
18 QPoint numDegrees =
event->angleDelta() / 8;
20 if (!numPixels.isNull()) {
21 scrollWithPixels(numPixels);
22 }
else if (!numDegrees.isNull()) {
23 QPoint numSteps = numDegrees / 15;
24 scrollWithDegrees(numSteps);