3 files changed, 15 insertions, 21 deletions
diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp
index c03019a910..2330019f93 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp
@@ -48,8 +48,8 @@
 **
 ****************************************************************************/
 
-#include <QtWidgets/QApplication>
-#include <QtWidgets/QTableView>
+#include <QApplication>
+#include <QTableView>
 #include "mymodel.h"
 
 int main(int argc, char *argv[])
@@ -57,7 +57,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     QTableView tableView;
     MyModel myModel(0);
-    tableView.setModel( &myModel );
+    tableView.setModel(&myModel);
     tableView.show();
     return a.exec();
 }
diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp
index e4580a0e01..f289d9abda 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp
@@ -48,18 +48,17 @@
 **
 ****************************************************************************/
 
-#include <QBrush>
-#include <QTime>
 #include "mymodel.h"
 
+#include <QTime>
+
 //! [quoting mymodel_a]
 MyModel::MyModel(QObject *parent)
-    :QAbstractTableModel(parent)
+    : QAbstractTableModel(parent)
+    , timer(new QTimer(this))
 {
-//    selectedCell = 0;
-    timer = new QTimer(this);
     timer->setInterval(1000);
-    connect(timer, SIGNAL(timeout()) , this, SLOT(timerHit()));
+    connect(timer, &QTimer::timeout , this, &MyModel::timerHit);
     timer->start();
 }
 //! [quoting mymodel_a]
@@ -82,13 +81,9 @@ QVariant MyModel::data(const QModelIndex &index, int role) const
     int row = index.row();
     int col = index.column();
 
-    if (role == Qt::DisplayRole)
-    {
-        if (row == 0 && col == 0)
-        {
-            return QTime::currentTime().toString();
-        }
-    }
+    if (role == Qt::DisplayRole && row == 0 && col == 0)
+        return QTime::currentTime().toString();
+
     return QVariant();
 }
 //! [quoting mymodel_QVariant ]
@@ -99,6 +94,6 @@ void MyModel::timerHit()
     //we identify the top left cell
     QModelIndex topLeft = createIndex(0,0);
     //emit a signal to make the view reread identified data
-    emit dataChanged(topLeft, topLeft);
+    emit dataChanged(topLeft, topLeft, {Qt::DisplayRole});
 }
 //! [quoting mymodel_b ]
diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h
index dfcf0f6239..2ef0e480c2 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h
@@ -58,13 +58,12 @@ class MyModel : public QAbstractTableModel
 {
     Q_OBJECT
 public:
-    MyModel(QObject *parent);
-    int rowCount(const QModelIndex &parent = QModelIndex()) const override ;
+    MyModel(QObject *parent = nullptr);
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
-    QTimer *timer;
 private:
-    int selectedCell;
+    QTimer *timer;
 private slots:
     void timerHit();
 };