[FIX] now the uppermost element of the module tree should be selected even

if we need the datasetbrowser to exist for the permanent toolbar

src/gui/qt4/WMainWindow.cpp

@@ -98,7 +98,6 @@ void WMainWindow::setupGUI()
     setWindowIcon( m_iconManager.getIcon( "logo" ) );
     setWindowTitle( QApplication::translate( "MainWindow", "OpenWalnut (development version)", 0, QApplication::UnicodeUTF8 ) );
 
-    setupPermanentToolBar();
 
     // the dataset browser instance is needed for the menu
     m_datasetBrowser = new WQtDatasetBrowser( this );
@@ -106,6 +105,12 @@ void WMainWindow::setupGUI()
     addDockWidget( Qt::RightDockWidgetArea, m_datasetBrowser );
     m_datasetBrowser->addSubject( "Default Subject" );
 
+    setupPermanentToolBar();
+
+    // we want the upper most tree item to be selected. This helps to make the always compatible modules
+    // show up in the tool bar from the beginning. And ... it doesn't hurt.
+    m_datasetBrowser->selectUpperMostEntry();
+
     // set the size of the dsb according to config file
     int dsbWidth = 250;
     if( WPreferences::getPreference( "qt4gui.dsbWidth", &dsbWidth ) )

src/gui/qt4/datasetbrowser/WQtDatasetBrowser.cpp

@@ -149,10 +149,6 @@ WQtDatasetBrowser::WQtDatasetBrowser( WMainWindow* parent )
 
     QShortcut* shortcut = new QShortcut( QKeySequence( Qt::Key_Delete ), m_roiTreeWidget );
     connect( shortcut, SIGNAL( activated() ), this, SLOT( deleteROITreeItem() ) );
-
-    // we want the upper most tree item to be selected. This helps to make the always compatible modules
-    // show up in the tool bar from the beginning. And ... it doesn't hurt.
-    m_tiModules->setSelected( true );
 }
 
 WQtDatasetBrowser::~WQtDatasetBrowser()
@@ -1032,3 +1028,8 @@ void WQtDatasetBrowser::deleteROITreeItem()
     }
     WKernel::getRunningKernel()->getRoiManager()->setSelectedRoi( getFirstRoiInSelectedBranch() );
 }
+
+void WQtDatasetBrowser::selectUpperMostEntry()
+{
+    m_tiModules->setSelected( true );
+}

src/gui/qt4/datasetbrowser/WQtDatasetBrowser.h

@@ -162,6 +162,11 @@ public:
      */
     void addToolbar( QToolBar* tb );
 
+    /**
+     * Selects the uppermost entry in the module tree.
+     */
+    void selectUpperMostEntry();
+
 protected:
 
     /**