examples: port embedded examples to new connection style

Task-number: QTBUG-106893
Change-Id: I6d00c53b7747b36c5f0094e566713f13fe74f3de
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>

3 files changed, 14 insertions, 13 deletions

diff --git a/examples/embedded/digiflip/digiflip.cpp b/examples/embedded/digiflip/digiflip.cpp
index 7497f04e6c..ab5075a4ec 100644
--- a/examples/embedded/digiflip/digiflip.cpp
+++ b/examples/embedded/digiflip/digiflip.cpp
@@ -23,7 +23,8 @@ public:
     {
         setAttribute(Qt::WA_OpaquePaintEvent, true);
         setAttribute(Qt::WA_NoSystemBackground, true);
-        connect(&m_animator, SIGNAL(frameChanged(int)), SLOT(update()));
+        connect(&m_animator, &QTimeLine::frameChanged,
+                this, qOverload<>(&Digits::update));
         m_animator.setFrameRange(0, 100);
         m_animator.setDuration(600);
         m_animator.setEasingCurve(QEasingCurve::InOutSine);
@@ -272,9 +273,9 @@ public:
         QAction *slideAction = new QAction("&Slide", this);
         QAction *flipAction = new QAction("&Flip", this);
         QAction *rotateAction = new QAction("&Rotate", this);
-        connect(slideAction, SIGNAL(triggered()), SLOT(chooseSlide()));
-        connect(flipAction, SIGNAL(triggered()), SLOT(chooseFlip()));
-        connect(rotateAction, SIGNAL(triggered()), SLOT(chooseRotate()));
+        connect(slideAction, &QAction::triggered, this, &DigiFlip::chooseSlide);
+        connect(flipAction, &QAction::triggered, this, &DigiFlip::chooseFlip);
+        connect(rotateAction, &QAction::triggered, this, &DigiFlip::chooseRotate);
         addAction(slideAction);
         addAction(flipAction);
         addAction(rotateAction);
diff --git a/examples/embedded/flightinfo/flightinfo.cpp b/examples/embedded/flightinfo/flightinfo.cpp
index c4d81177e7..6a5eb55d99 100644
--- a/examples/embedded/flightinfo/flightinfo.cpp
+++ b/examples/embedded/flightinfo/flightinfo.cpp
@@ -71,8 +71,8 @@ public:
 
         ui.searchBar->hide();
         ui.infoBox->hide();
-        connect(ui.searchButton, SIGNAL(clicked()), SLOT(startSearch()));
-        connect(ui.flightEdit, SIGNAL(returnPressed()), SLOT(startSearch()));
+        connect(ui.searchButton, &QPushButton::clicked, this, &FlightInfo::startSearch);
+        connect(ui.flightEdit, &QLineEdit::returnPressed, this, &FlightInfo::startSearch);
 
         setWindowTitle("Flight Info");
 
@@ -83,11 +83,11 @@ public:
         QAction *searchTodayAction = new QAction("Today's Flight", this);
         QAction *searchYesterdayAction = new QAction("Yesterday's Flight", this);
         QAction *randomAction = new QAction("Random Flight", this);
-        connect(searchTodayAction, SIGNAL(triggered()), SLOT(today()));
-        connect(searchYesterdayAction, SIGNAL(triggered()), SLOT(yesterday()));
-        connect(randomAction, SIGNAL(triggered()), SLOT(randomFlight()));
-        connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
-                this, SLOT(handleNetworkData(QNetworkReply*)));
+        connect(searchTodayAction, &QAction::triggered, this, &FlightInfo::today);
+        connect(searchYesterdayAction, &QAction::triggered, this, &FlightInfo::yesterday);
+        connect(randomAction, &QAction::triggered, this, &FlightInfo::randomFlight);
+        connect(&m_manager, &QNetworkAccessManager::finished,
+                this, &FlightInfo::handleNetworkData);
         addAction(searchTodayAction);
         addAction(searchYesterdayAction);
         addAction(randomAction);
diff --git a/examples/embedded/lightmaps/lightmaps.cpp b/examples/embedded/lightmaps/lightmaps.cpp
index 5f62f926b4..566ba243ee 100644
--- a/examples/embedded/lightmaps/lightmaps.cpp
+++ b/examples/embedded/lightmaps/lightmaps.cpp
@@ -24,8 +24,8 @@ LightMaps::LightMaps(QWidget *parent)
 {
     m_normalMap = new SlippyMap(this);
     m_largeMap = new SlippyMap(this);
-    connect(m_normalMap, SIGNAL(updated(QRect)), SLOT(updateMap(QRect)));
-    connect(m_largeMap, SIGNAL(updated(QRect)), SLOT(update()));
+    connect(m_normalMap, &SlippyMap::updated, this, &LightMaps::updateMap);
+    connect(m_largeMap, &SlippyMap::updated, this, &LightMaps::updateMap);
 }
 
 void LightMaps::setCenter(qreal lat, qreal lng)