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::slotWaterfallLowChanged(int low) { emit waterfallLowChanged(low); }