diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,6 +64,7 @@ add_executable(${PROGRAM_NAME} WIN32
   hidabletabwidget.cpp
   framebuffer.cpp
   scalepicker.cpp
+  scalezoomer.cpp
   ${UI_FILES}
   misc/windows_icon.rc
   )
diff --git a/plot.cpp b/plot.cpp
--- a/plot.cpp
+++ b/plot.cpp
@@ -22,7 +22,7 @@
 Plot::Plot(QWidget* parent) :
     QwtPlot(parent),
     zoomer(this->canvas(), false),
-    scalePicker(this->axisWidget(QwtPlot::xBottom))
+    sZoomer(this, &zoomer)
 {
     isAutoScaled = false;
 
diff --git a/plot.h b/plot.h
--- a/plot.h
+++ b/plot.h
@@ -23,7 +23,7 @@
 #include <qwt_plot.h>
 #include <qwt_plot_grid.h>
 #include "zoomer.h"
-#include "scalepicker.h"
+#include "scalezoomer.h"
 
 class Plot : public QwtPlot
 {
@@ -37,8 +37,8 @@ private:
     bool isAutoScaled;
     double yMin, yMax;
     Zoomer zoomer;
+    ScaleZoomer sZoomer;
     QwtPlotGrid grid;
-    ScalePicker scalePicker;
 
     void resetAxes();
 
diff --git a/scalepicker.cpp b/scalepicker.cpp
--- a/scalepicker.cpp
+++ b/scalepicker.cpp
@@ -53,7 +53,6 @@ bool ScalePicker::eventFilter(QObject* o
         {
             if (started)
             {
-                qDebug() << "Picking:" << firstPos << pos;
                 emit picking(firstPos, pos);
             }
         }
diff --git a/scalezoomer.cpp b/scalezoomer.cpp
new file mode 100644
--- /dev/null
+++ b/scalezoomer.cpp
@@ -0,0 +1,57 @@
+/*
+  Copyright © 2015 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/>.
+*/
+
+#include <QRectF>
+#include <QtDebug>
+#include "scalezoomer.h"
+
+ScaleZoomer::ScaleZoomer(QwtPlot* plot, QwtPlotZoomer* zoomer) :
+    QObject(plot),
+    bottomPicker(plot->axisWidget(QwtPlot::xBottom)),
+    leftPicker(plot->axisWidget(QwtPlot::yLeft))
+{
+    _plot = plot;
+    _zoomer = zoomer;
+    connect(&bottomPicker, &ScalePicker::picked, this, &ScaleZoomer::bottomPicked);
+    connect(&leftPicker, &ScalePicker::picked, this, &ScaleZoomer::leftPicked);
+}
+
+void ScaleZoomer::bottomPicked(double firstPos, double lastPos)
+{
+    QRectF zRect;
+    if (lastPos > firstPos)
+    {
+        zRect.setLeft(firstPos);
+        zRect.setRight(lastPos);
+    }
+    else
+    {
+        zRect.setLeft(lastPos);
+        zRect.setRight(firstPos);
+    }
+
+    zRect.setBottom(_plot->axisScaleDiv(QwtPlot::yLeft).lowerBound());
+    zRect.setTop(_plot->axisScaleDiv(QwtPlot::yLeft).upperBound());
+    _zoomer->zoom(zRect);
+}
+
+void ScaleZoomer::leftPicked(double firstPos, double lastPos)
+{
+
+}
diff --git a/scalezoomer.h b/scalezoomer.h
new file mode 100644
--- /dev/null
+++ b/scalezoomer.h
@@ -0,0 +1,48 @@
+/*
+  Copyright © 2015 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 SCALEZOOMER_H
+#define SCALEZOOMER_H
+
+#include <QObject>
+#include <qwt_plot.h>
+#include <qwt_plot_zoomer.h>
+
+#include "scalepicker.h"
+
+class ScaleZoomer : public QObject
+{
+    Q_OBJECT
+
+public:
+    ScaleZoomer(QwtPlot*, QwtPlotZoomer*);
+
+private:
+    QwtPlot* _plot;
+    QwtPlotZoomer* _zoomer;
+    ScalePicker bottomPicker;
+    ScalePicker leftPicker;
+
+
+private slots:
+    void bottomPicked(double firstPos, double lastPos);
+    void leftPicked(double firstPos, double lastPos);
+};
+
+#endif /* SCALEZOOMER_H */
diff --git a/serialplot.pro b/serialplot.pro
--- a/serialplot.pro
+++ b/serialplot.pro
@@ -40,7 +40,9 @@ SOURCES += main.cpp\
     plot.cpp \
     zoomer.cpp \
     hidabletabwidget.cpp \
-    framebuffer.cpp
+    framebuffer.cpp \
+    scalepicker.cpp \
+    scalezoomer.cpp
 
 HEADERS  += mainwindow.h \
     utils.h \
@@ -50,7 +52,9 @@ HEADERS  += mainwindow.h \
     plot.h \
     zoomer.h \
     hidabletabwidget.h \
-    framebuffer.h
+    framebuffer.h \
+    scalepicker.h \
+    scalezoomer.h
 
 FORMS    += mainwindow.ui \
     about_dialog.ui \