  #include <QGraphicsPixmapItem>
  #include <QGraphicsProxyWidget>
  #include <QTimer>
  #include <QtCharts/QChartView>
  #include <QtCharts/QLegendMarker>
  #include <QtCharts/QLineSeries>
 
</s> remove   void zoomReset();
 </s> add   void zoomUndo();
#include <QStack>
  #include <QGraphicsPixmapItem>
  #include <QGraphicsProxyWidget>
#include <QStack>
  #include <QTimer>
  #include <QtCharts/QChartView>
  #include <QtCharts/QLegendMarker>
  #include <QtCharts/QLineSeries>
keep add keep keep keep keep
 cabana: go to previous zoom window (#27702)

* cabana: go to previous zoom level

* zoom undo on right click

* catch mousepress event on linux 
tools/cabana/chartswidget.h