Aggregation: Use Qt5-style connects

Change-Id: Ifee501f2da7d2834f6ce8a63f85e9fab9c683b5d
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/aggregation/aggregate.cpp

@@ -203,7 +203,7 @@ Aggregate::~Aggregate()
     {
         QWriteLocker locker(&lock());
         foreach (QObject *component, m_components) {
-            disconnect(component, SIGNAL(destroyed(QObject*)), this, SLOT(deleteSelf(QObject*)));
+            disconnect(component, &QObject::destroyed, this, &Aggregate::deleteSelf);
             aggregateMap().remove(component);
         }
         components = m_components;
@@ -246,7 +246,7 @@ void Aggregate::add(QObject *component)
             return;
         }
         m_components.append(component);
-        connect(component, SIGNAL(destroyed(QObject*)), this, SLOT(deleteSelf(QObject*)));
+        connect(component, &QObject::destroyed, this, &Aggregate::deleteSelf);
         aggregateMap().insert(component, this);
     }
     emit changed();
@@ -267,7 +267,7 @@ void Aggregate::remove(QObject *component)
         QWriteLocker locker(&lock());
         aggregateMap().remove(component);
         m_components.removeAll(component);
-        disconnect(component, SIGNAL(destroyed(QObject*)), this, SLOT(deleteSelf(QObject*)));
+        disconnect(component, &QObject::destroyed, this, &Aggregate::deleteSelf);
     }
     emit changed();
 }

src/libs/aggregation/aggregate.h

@@ -72,10 +72,9 @@ public:
 signals:
     void changed();
 
-private slots:
+private:
     void deleteSelf(QObject *obj);
 
-private:
     static QHash<QObject *, Aggregate *> &aggregateMap();
 
     QList<QObject *> m_components;

src/libs/aggregation/examples/text/main.cpp

@@ -31,7 +31,8 @@ MyMain::MyMain(QWidget *parent, Qt::WFlags flags)
     : QWidget(parent, flags)
 {
     ui.setupUi(this);
-    connect(ui.comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(select(int)));
+    connect(ui.comboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+            this, &MyMain::select);
 }
 
 void MyMain::add(IComboEntry *obj)

src/libs/aggregation/examples/text/main.h

@@ -42,10 +42,9 @@ public:
 
     void add(IComboEntry *obj);
 
-private slots:
+private:
     void select(int index);
 
-private:
     Ui::mainClass ui;
 
     QList<IComboEntry *> m_entries;