void WWaveformViewer::wheelEvent(QWheelEvent *event) {
if (m_waveformWidget) {
//NOTE: (vrince) to limit the zoom action area uncomment the following line
//if (event->x() > width() - m_zoomZoneWidth) {
if (event->delta() > 0) {
//qDebug() << "WaveformWidgetRenderer::wheelEvent +1";
onZoomChange(m_waveformWidget->getZoomFactor()+1);
}
else {
//qDebug() << "WaveformWidgetRenderer::wheelEvent -1";
onZoomChange(m_waveformWidget->getZoomFactor()-1);
}
//}
}
}
bool UIMinimap::setZoom(int zoom)
{
if(zoom == m_zoom)
return true;
if(zoom < m_minZoom || zoom > m_maxZoom)
return false;
int oldZoom = m_zoom;
m_zoom = zoom;
if(m_zoom < 0)
m_scale = 1.0f / (1 << std::abs(zoom));
else if(m_zoom > 0)
m_scale = 1.0f * (1 << std::abs(zoom));
else
m_scale = 1;
m_layout->update();
onZoomChange(zoom, oldZoom);
return true;
}