diff --git a/src/barplot.h b/src/barplot.h
--- a/src/barplot.h
+++ b/src/barplot.h
@@ -23,6 +23,7 @@
 #include <qwt_plot.h>
 
 #include "channelmanager.h"
+#include "plotmenu.h"
 #include "barchart.h"
 
 class BarPlot : public QwtPlot
@@ -30,14 +31,19 @@ class BarPlot : public QwtPlot
     Q_OBJECT
 
 public:
-    explicit BarPlot(ChannelManager* channelMan, QWidget* parent = 0);
+    explicit BarPlot(ChannelManager* channelMan,
+                     PlotMenu* menu,
+                     QWidget* parent = 0);
 
 public slots:
     /// Set the Y axis
     void setYAxis(bool autoScaled, double yMin = 0, double yMax = 1);
+    /// Enable/disable dark background
+    void darkBackground(bool enabled);
 
 private:
     ChannelManager* _channelMan;
+    PlotMenu* _menu;
     BarChart barChart;
 
     QVector<double> chartData() const;