3 files changed, 12 insertions, 10 deletions
diff --git a/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp b/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp
index 158c31d9c1..f510ebc07f 100644
--- a/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp
+++ b/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp
@@ -55,13 +55,13 @@
 #include <QGraphicsScene>
 
 CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
-    : QGraphicsProxyWidget(parent, wFlags), popupShown(false), currentPopup(0)
+    : QGraphicsProxyWidget(parent, wFlags), popupShown(false), currentPopup(nullptr)
 {
     timeLine = new QTimeLine(250, this);
-    connect(timeLine, SIGNAL(valueChanged(qreal)),
-            this, SLOT(updateStep(qreal)));
-    connect(timeLine, SIGNAL(stateChanged(QTimeLine::State)),
-            this, SLOT(stateChanged(QTimeLine::State)));
+    connect(timeLine, &QTimeLine::valueChanged,
+            this, &CustomProxy::updateStep);
+    connect(timeLine, &QTimeLine::stateChanged,
+            this, &CustomProxy::stateChanged);
 }
 
 QRectF CustomProxy::boundingRect() const
@@ -133,7 +133,7 @@ QVariant CustomProxy::itemChange(GraphicsItemChange change, const QVariant &valu
                 currentPopup->installSceneEventFilter(this);
         } else if (scene()) {
             currentPopup->removeSceneEventFilter(this);
-            currentPopup = 0;
+            currentPopup = nullptr;
         }
     } else if (currentPopup && change == ItemSceneHasChanged) {
         currentPopup->installSceneEventFilter(this);
diff --git a/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.cpp b/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.cpp
index 0c3ed86565..9fa24fcd17 100644
--- a/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.cpp
+++ b/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.cpp
@@ -60,7 +60,8 @@ EmbeddedDialog::EmbeddedDialog(QWidget *parent)
     ui->setupUi(this);
     ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);
 
-    foreach (QString styleName, QStyleFactory::keys()) {
+    const QStringList styleKeys = QStyleFactory::keys();
+    for (const QString &styleName : styleKeys) {
         ui->style->addItem(styleName);
         if (style()->objectName().toLower() == styleName.toLower())
             ui->style->setCurrentIndex(ui->style->count() - 1);
@@ -72,7 +73,7 @@ EmbeddedDialog::EmbeddedDialog(QWidget *parent)
             this, &EmbeddedDialog::spacingChanged);
     connect(ui->fontComboBox, &QFontComboBox::currentFontChanged,
             this, &EmbeddedDialog::fontChanged);
-    connect(ui->style, QOverload<const QString &>::of(&QComboBox::activated),
+    connect(ui->style, &QComboBox::textActivated,
             this, &EmbeddedDialog::styleChanged);
 }
 
@@ -101,7 +102,8 @@ static void setStyleHelper(QWidget *widget, QStyle *style)
 {
     widget->setStyle(style);
     widget->setPalette(style->standardPalette());
-    foreach (QObject *child, widget->children()) {
+    const QObjectList children = widget->children();
+    for (QObject *child : children) {
         if (QWidget *childWidget = qobject_cast<QWidget *>(child))
             setStyleHelper(childWidget, style);
     }
diff --git a/examples/widgets/graphicsview/embeddeddialogs/main.cpp b/examples/widgets/graphicsview/embeddeddialogs/main.cpp
index cbd5dd5890..501405e3ff 100644
--- a/examples/widgets/graphicsview/embeddeddialogs/main.cpp
+++ b/examples/widgets/graphicsview/embeddeddialogs/main.cpp
@@ -66,7 +66,7 @@ int main(int argc, char *argv[])
 
     for (int y = 0; y < gridSize; ++y) {
         for (int x = 0; x < gridSize; ++x) {
-            CustomProxy *proxy = new CustomProxy(0, Qt::Window);
+            CustomProxy *proxy = new CustomProxy(nullptr, Qt::Window);
             proxy->setWidget(new EmbeddedDialog);
 
             QRectF rect = proxy->boundingRect();