1 files changed, 13 insertions, 0 deletions
diff --git a/qt-ui/profile/divecartesianaxis.h b/qt-ui/profile/divecartesianaxis.h
index 507d0349c..e4366eaf4 100644
--- a/qt-ui/profile/divecartesianaxis.h
+++ b/qt-ui/profile/divecartesianaxis.h
@@ -7,6 +7,7 @@
 class QPropertyAnimation;
 class DiveTextItem;
 class DiveLineItem;
+class DivePlotDataModel;
 
 class DiveCartesianAxis : public QObject, public QGraphicsLineItem{
 	Q_OBJECT
@@ -38,6 +39,7 @@ public slots:
 	void updateTicks();
 signals:
 	void sizeChanged();
+	void maxChanged();
 protected:
 	virtual QString textForValue(double value);
 	virtual QColor colorForValue(double value);
@@ -75,6 +77,17 @@ protected:
 	QString textForValue(double value);
 };
 
+class PartialGasPressureAxis : public DiveCartesianAxis{
+	Q_OBJECT
+public:
+	PartialGasPressureAxis();
+	void setModel(DivePlotDataModel *model);
+public slots:
+	void preferencesChanged();
+private:
+	DivePlotDataModel *model;
+};
+
 // This is a try. Maybe the CartesianPlane should have the X and Y
 // axis and handle things internally?
 class DiveCartesianPlane :public QObject, public QGraphicsRectItem{