2 files changed, 7 insertions, 7 deletions
diff --git a/examples/sql/sqlwidgetmapper/window.cpp b/examples/sql/sqlwidgetmapper/window.cpp
index 21ce1521691..b6946e2386a 100644
--- a/examples/sql/sqlwidgetmapper/window.cpp
+++ b/examples/sql/sqlwidgetmapper/window.cpp
@@ -87,12 +87,12 @@ Window::Window(QWidget *parent)
 //! [Set up the mapper]
 
 //! [Set up connections and layouts]
-    connect(previousButton, SIGNAL(clicked()),
-            mapper, SLOT(toPrevious()));
-    connect(nextButton, SIGNAL(clicked()),
-            mapper, SLOT(toNext()));
-    connect(mapper, SIGNAL(currentIndexChanged(int)),
-            this, SLOT(updateButtons(int)));
+    connect(previousButton, &QPushButton::clicked,
+            mapper, &QDataWidgetMapper::toPrevious);
+    connect(nextButton, &QPushButton::clicked,
+            mapper, &QDataWidgetMapper::toNext);
+    connect(mapper, &QDataWidgetMapper::currentIndexChanged,
+            this, &Window::updateButtons);
 
     QGridLayout *layout = new QGridLayout();
     layout->addWidget(nameLabel, 0, 0, 1, 1);
diff --git a/examples/sql/sqlwidgetmapper/window.h b/examples/sql/sqlwidgetmapper/window.h
index bff074d9543..b3369973602 100644
--- a/examples/sql/sqlwidgetmapper/window.h
+++ b/examples/sql/sqlwidgetmapper/window.h
@@ -72,7 +72,7 @@ class Window : public QWidget
     Q_OBJECT
 
 public:
-    Window(QWidget *parent = 0);
+    Window(QWidget *parent = nullptr);
 
 private slots:
     void updateButtons(int row);