Project structure refactoring

src/GUI/powergraphitem.h

@@ -0,0 +1,23 @@
+#ifndef POWERGRAPHITEM_H
+#define POWERGRAPHITEM_H
+
+#include "graphitem.h"
+
+class PowerGraphItem : public GraphItem
+{
+	Q_OBJECT
+
+public:
+	PowerGraphItem(const Graph &graph, GraphType type,
+	  QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal avg() const {return _avg;}
+
+private:
+	QString toolTip() const;
+
+	qreal _avg;
+};
+
+#endif // POWERGRAPHITEM_H