diff --git a/src/barscaledraw.h b/src/barscaledraw.h
new file mode 100644
--- /dev/null
+++ b/src/barscaledraw.h
@@ -0,0 +1,42 @@
+/*
+  Copyright © 2017 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BARSCALEDRAW_H
+#define BARSCALEDRAW_H
+
+#include <QStringList>
+#include <qwt_scale_draw.h>
+#include <qwt_text.h>
+
+#include "channelmanager.h"
+
+class BarScaleDraw : public QwtScaleDraw
+{
+public:
+    explicit BarScaleDraw(ChannelManager* channelMan);
+    QwtText label(double value) const;
+
+public slots:
+    void updateLabels();
+
+private:
+    ChannelManager* _channelMan;
+};
+
+#endif // BARSCALEDRAW_H