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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QWheelEvent>
namespace src_gui_kernel_qevent {
class MyWidget //: public QWidget
{
void wheelEvent(QWheelEvent *event);
void scrollWithPixels(QPoint point);
void scrollWithDegrees(QPoint point);
};
//! [0]
void MyWidget::wheelEvent(QWheelEvent *event)
{
QPoint numPixels = event->pixelDelta();
QPoint numDegrees = event->angleDelta() / 8;
if (!numPixels.isNull()) {
scrollWithPixels(numPixels);
} else if (!numDegrees.isNull()) {
QPoint numSteps = numDegrees / 15;
scrollWithDegrees(numSteps);
}
event->accept();
}
//! [0]
} // src_gui_kernel_qevent
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