Method widgetWheelEvent

pj_plotting/widget/src/PlotMagnifier.cpp:110–113

}

void PlotMagnifier::widgetWheelEvent(QWheelEvent* event) {
  mouse_position_ = invTransform(event->position().toPoint());
  QwtPlotMagnifier::widgetWheelEvent(event);
}

void PlotMagnifier::widgetMousePressEvent(QMouseEvent* event) {
  mouse_position_ = invTransform(event->pos());