1 files changed, 7 insertions, 1 deletions
diff --git a/historygraph.h b/historygraph.h
index 564845c..60cce94 100644
--- a/historygraph.h
+++ b/historygraph.h
@@ -11,20 +11,26 @@ public:
     HistoryGraph(QQuickItem *parent = 0);
     ~HistoryGraph();
 
+signals:
+    void currentItemChanged(const arma::mat &item);
+
 public slots:
     void addHistoryItem(const arma::mat &item);
 
 protected:
     QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
+    void mousePressEvent(QMouseEvent *event);
 
 private:
     class HistoryItemNode;
 
+    HistoryItemNode *nodeAt(const QPointF &pos) const;
+    HistoryItemNode *nodeAt(const QPointF &pos, HistoryItemNode *node) const;
+
     QSGNode *createNodeTree();
     void updateNodeTree(QSGNode *root);
     void addScatterplot(QSGNode *node, const HistoryItemNode *historyItemNode, float x, float y, float w, float h);
 
-
     HistoryItemNode *m_firstNode, *m_currentNode;
     bool m_needsUpdate;
 };