void Spectrum::wheelEvent(QWheelEvent *event) {
//qDebug() << __FUNCTION__ << "Delta: " << event->delta() << "y: " << event->pos().y() << " heigth:" << height();
if(event->pos().x() > 50) {
// wheel event on the right side
// change frequency
float vOfs = (float)event->pos().y() / (float)height();
//qDebug() << "wheelEvent vOfs: " << vOfs;
if (vOfs > 0.75) {
emit frequencyMoved(event->delta()/8/15,100);
} else if (vOfs > 0.50) {
emit frequencyMoved(event->delta()/8/15,50);
} else if (vOfs > 0.25) {
emit frequencyMoved(event->delta()/8/15,25);
} else {
emit frequencyMoved(event->delta()/8/15,10);
}
} else {
// wheel event on the left side, change the vertical axis values
float shift = (float)(event->delta()/8/15 * 5) // phy steps of wheel * 5
* ((float)(spectrumHigh - spectrumLow) / height()); // dBm / pixel on vertical axis
if (event->buttons() == Qt::MidButton) {
// change the vertical axis range
//qDebug() << __FUNCTION__ << " change vertical axis scale: " << shift;
emit spectrumHighChanged (spectrumHigh+(int)shift);
emit spectrumLowChanged (spectrumLow-(int)shift);
emit waterfallHighChanged (spectrumHigh+(int)shift);
emit waterfallLowChanged (spectrumLow-(int)shift);
} else {
// if middle mouse button pressed shift the spectrum scale
//qDebug() << __FUNCTION__ << " shift on vertical axis scale: " << shift;
emit spectrumHighChanged (spectrumHigh+(int)shift);
emit spectrumLowChanged (spectrumLow+(int)shift);
emit waterfallHighChanged (spectrumHigh+(int)shift);
emit waterfallLowChanged (spectrumLow+(int)shift);
}
}
}
void Configure::slotSpectrumHighChanged(int high) {
emit spectrumHighChanged(high);
}
