Cleanup Widgets examples - new signal/slot syntax

Cleanup the Widget examples - use the new signal/slot syntax where
possible - tutorials subdirectory

Change-Id: I741589f6616578412ad74f8371e0e3c87df783a2
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
Reviewed-by: Luca Beldi <v.ronin@yahoo.it>

4 files changed, 16 insertions, 10 deletions

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp
index 90f5f1a6b3..8bf83859a0 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp
@@ -57,7 +57,8 @@ int main(int argc, char *argv[])
     QTextEdit *textEdit = new QTextEdit;
     QPushButton *quitButton = new QPushButton("&Quit");
 
-    QObject::connect(quitButton, SIGNAL(clicked()), qApp, SLOT(quit()));
+    QObject::connect(quitButton, &QPushButton::clicked,
+                     qApp, &QApplication::quit);
 
     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(textEdit);
diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp
index 0a60c1cf16..d4b43eb034 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp
@@ -71,7 +71,8 @@ Notepad::Notepad()
     textEdit = new QTextEdit;
     quitButton = new QPushButton(tr("Quit"));
 
-    connect(quitButton, SIGNAL(clicked()), this, SLOT(quit()));
+    connect(quitButton, &QPushButton::clicked,
+            this, &Notepad::quit);
 
     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(textEdit);
diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp
index 6d9e96a3d4..8c5fbc70ca 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp
@@ -73,14 +73,16 @@ private:
 
 Notepad::Notepad()
 {
-
     loadAction = new QAction(tr("&Load"), this);
     saveAction = new QAction(tr("&Save"), this);
     exitAction = new QAction(tr("E&xit"), this);
 
-    connect(loadAction, SIGNAL(triggered()), this, SLOT(load()));
-    connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));
-    connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    connect(loadAction, &QAction::triggered,
+            this, &Notepad::load);
+    connect(saveAction, &QAction::triggered,
+            this, &Notepad::save);
+    connect(exitAction, &QAction::triggered,
+            qApp, &QApplication::quit);
 
     fileMenu = menuBar()->addMenu(tr("&File"));
     fileMenu->addAction(loadAction);
diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp
index b2b4a73874..cc3e1a261c 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp
@@ -73,14 +73,16 @@ private:
 
 Notepad::Notepad()
 {
-
     openAction = new QAction(tr("&Load"), this);
     saveAction = new QAction(tr("&Save"), this);
     exitAction = new QAction(tr("E&xit"), this);
 
-    connect(openAction, SIGNAL(triggered()), this, SLOT(open()));
-    connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));
-    connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    connect(openAction, &QAction::triggered,
+            this, &Notepad::open);
+    connect(saveAction, &QAction::triggered,
+            this, &Notepad::save);
+    connect(exitAction, &QAction::triggered,
+            qApp, &QApplication::quit);
 
     fileMenu = menuBar()->addMenu(tr("&File"));
     fileMenu->addAction(openAction);