Implemented preliminary ability to edit the starting bit for signals.

candatagrid.h

@@ -18,10 +18,17 @@ public:
     void setReference(unsigned char *, bool);
     void updateData(unsigned char *, bool);
 
+protected:
+    void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
+
+signals:
+    void gridClicked(int x,int y);
+
 private:
     Ui::CANDataGrid *ui;
     unsigned char refData[8];
     unsigned char data[8];
+    QPoint upperLeft, gridSize;
 };
 
 #endif // CANDATAGRID_H