3 files changed, 13 insertions, 13 deletions
diff --git a/examples/widgets/tutorials/modelview/7_selections/main.cpp b/examples/widgets/tutorials/modelview/7_selections/main.cpp
index e1b46339b1..315875a627 100644
--- a/examples/widgets/tutorials/modelview/7_selections/main.cpp
+++ b/examples/widgets/tutorials/modelview/7_selections/main.cpp
@@ -48,7 +48,7 @@
 **
 ****************************************************************************/
 
-#include <QtWidgets/QApplication>
+#include <QApplication>
 #include "mainwindow.h"
 
 int main(int argc, char *argv[])
diff --git a/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp b/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp
index 200751ee6d..2b10071a68 100644
--- a/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp
+++ b/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp
@@ -49,17 +49,18 @@
 ****************************************************************************/
 
 //! [quoting modelview_a]
+#include "mainwindow.h"
+
 #include <QTreeView>
 #include <QStandardItemModel>
 #include <QItemSelectionModel>
-#include "mainwindow.h"
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
+    , treeView(new QTreeView(this))
+    , standardModel(new QStandardItemModel(this))
 {
-    treeView = new QTreeView(this);
     setCentralWidget(treeView);
-    standardModel = new QStandardItemModel ;
     QStandardItem *rootNode = standardModel->invisibleRootItem();
 
 
@@ -88,9 +89,9 @@ MainWindow::MainWindow(QWidget *parent)
     treeView->expandAll();
 
     //selection changes shall trigger a slot
-    QItemSelectionModel *selectionModel= treeView->selectionModel();
-    connect(selectionModel, SIGNAL(selectionChanged (const QItemSelection &, const QItemSelection &)),
-            this, SLOT(selectionChangedSlot(const QItemSelection &, const QItemSelection &)));
+    QItemSelectionModel *selectionModel = treeView->selectionModel();
+    connect(selectionModel, &QItemSelectionModel::selectionChanged,
+            this, &MainWindow::selectionChangedSlot);
 }
 //! [quoting modelview_a]
 
@@ -103,10 +104,9 @@ void MainWindow::selectionChangedSlot(const QItemSelection & /*newSelection*/, c
     const QModelIndex index = treeView->selectionModel()->currentIndex();
     QString selectedText = index.data(Qt::DisplayRole).toString();
     //find out the hierarchy level of the selected item
-    int hierarchyLevel=1;
+    int hierarchyLevel = 1;
     QModelIndex seekRoot = index;
-    while(seekRoot.parent() != QModelIndex())
-    {
+    while (seekRoot.parent() != QModelIndex()) {
         seekRoot = seekRoot.parent();
         hierarchyLevel++;
     }
diff --git a/examples/widgets/tutorials/modelview/7_selections/mainwindow.h b/examples/widgets/tutorials/modelview/7_selections/mainwindow.h
index 13ca7dbc30..c9761dd3d9 100644
--- a/examples/widgets/tutorials/modelview/7_selections/mainwindow.h
+++ b/examples/widgets/tutorials/modelview/7_selections/mainwindow.h
@@ -51,9 +51,9 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
-#include <QtWidgets/QMainWindow>
+#include <QMainWindow>
 
-QT_BEGIN_NAMESPACE // QT_BEGIN_NAMESPACE / QT_END_NAMESPACE are not needed in Qt user code
+QT_BEGIN_NAMESPACE
 class QTreeView; //forward declarations
 class QStandardItemModel;
 class QItemSelection;
@@ -67,7 +67,7 @@ private:
     QTreeView *treeView;
     QStandardItemModel *standardModel;
 private slots:
-    void selectionChangedSlot(const QItemSelection & newSelection, const QItemSelection & oldSelection);
+    void selectionChangedSlot(const QItemSelection &newSelection, const QItemSelection &oldSelection);
 public:
     MainWindow(QWidget *parent = 0);
 };