diff --git a/mainwindow.cpp b/mainwindow.cpp
index 181d520..f9b27e3 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -39,14 +39,23 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     //setCentralWidget(m_image);
     resize(800, 600);
 
+    m_imageGL = new ImageScrollAreaGL(this);
+    setCentralWidget(m_imageGL);
+
     PhotoCapture *photoCapture = new PhotoCapture(this);
     QDockWidget *captureDock = new QDockWidget(tr("Photo capture"), this);
     captureDock->setWidget(photoCapture);
     captureDock->setObjectName("captureDock");
     addDockWidget(Qt::BottomDockWidgetArea, captureDock);
 
-    m_imageGL = new ImageScrollAreaGL(this);
-    setCentralWidget(m_imageGL);
+    StretchPanel *stretchPanel = new  StretchPanel(this);
+    connect(stretchPanel, SIGNAL(lowChanged(int)), m_imageGL, SLOT(setLow(int)));
+    connect(stretchPanel, SIGNAL(highChanged(int)), m_imageGL, SLOT(setHigh(int)));
+
+    QDockWidget *stretchDock = new QDockWidget(tr("Stretch"), this);
+    stretchDock->setWidget(stretchPanel);
+    stretchDock->setObjectName("strechDock");
+    addDockWidget(Qt::LeftDockWidgetArea, stretchDock);
 
     setWindowTitle(tr("Tenmon"));
 
@@ -110,16 +119,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     QMenu *dockMenu = new QMenu(tr("Docks"), this);
     dockMenu->addAction(infoDock->toggleViewAction());
     dockMenu->addAction(captureDock->toggleViewAction());
+    dockMenu->addAction(stretchDock->toggleViewAction());
     menuBar()->addMenu(dockMenu);
 
-    StretchPanel *stretchPanel = new  StretchPanel(this);
-    connect(stretchPanel, SIGNAL(lowChanged(int)), m_imageGL, SLOT(setLow(int)));
-    connect(stretchPanel, SIGNAL(highChanged(int)), m_imageGL, SLOT(setHigh(int)));
-
-    QDockWidget *stretchDock = new QDockWidget(tr("Stretch"), this);
-    stretchDock->setWidget(stretchPanel);
-    addDockWidget(Qt::LeftDockWidgetArea, stretchDock);
-
     setupSigterm();
     QSettings settings;
     restoreGeometry(settings.value("mainwindow/geometry").toByteArray());