void QQuickWheelArea::setHorizontalValue(qreal value)
{
    value = qBound<qreal>(m_horizontalMinimumValue, value, m_horizontalMaximumValue);

    if (value != m_horizontalValue) {
        m_horizontalValue = value;
        emit horizontalValueChanged();
    }
}
 void GLControlFrame::newHValue(double newValue) {
     m_hWheel->setRange(newValue - 1, newValue + 1, 0.01);
     emit horizontalValueChanged(newValue);
 }