diff -r dad72beb3ebe -r 16784291982f src/RelpipeChartMainWindow.h
--- a/src/RelpipeChartMainWindow.h	Sat Sep 29 14:14:00 2018 +0200
+++ b/src/RelpipeChartMainWindow.h	Sun Sep 30 01:40:29 2018 +0200
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <QTableWidget>
+
 #include "ui_RelpipeChartMainWindow.h"
 
 #include <relpipe/reader/typedefs.h>
@@ -21,6 +23,8 @@
 private:
 	Ui::RelpipeChartMainWindow widget;
 	QTabWidget* tabs = new QTabWidget(this);
+	QTableWidget* currentTable;
+	integer_t attributeCounter;
 public slots:
 	void slot123();
 signals: