2 files changed, 21 insertions, 9 deletions
diff --git a/src/controls/qquickexclusivegroup.cpp b/src/controls/qquickexclusivegroup.cpp
index 325dfe19..5144bf92 100644
--- a/src/controls/qquickexclusivegroup.cpp
+++ b/src/controls/qquickexclusivegroup.cpp
@@ -141,8 +141,16 @@ void QQuickExclusiveGroup::removeCheckable(QObject *object)
     TODO
 */
 
+class QQuickExclusiveAttachedPrivate : public QObjectPrivate
+{
+public:
+    QQuickExclusiveAttachedPrivate() : group(Q_NULLPTR) { }
+
+    QQuickExclusiveGroup *group;
+};
+
 QQuickExclusiveAttached::QQuickExclusiveAttached(QObject *parent) :
-    QObject(parent), m_group(Q_NULLPTR)
+    QObject(*(new QQuickExclusiveAttachedPrivate), parent)
 {
 }
 
@@ -158,17 +166,19 @@ QQuickExclusiveAttached *QQuickExclusiveAttached::qmlAttachedProperties(QObject
 */
 QQuickExclusiveGroup *QQuickExclusiveAttached::group() const
 {
-    return m_group;
+    Q_D(const QQuickExclusiveAttached);
+    return d->group;
 }
 
 void QQuickExclusiveAttached::setGroup(QQuickExclusiveGroup *group)
 {
-    if (m_group != group) {
-        if (m_group)
-            m_group->removeCheckable(parent());
-        m_group = group;
-        if (m_group)
-            m_group->addCheckable(parent());
+    Q_D(QQuickExclusiveAttached);
+    if (d->group != group) {
+        if (d->group)
+            d->group->removeCheckable(parent());
+        d->group = group;
+        if (group)
+            group->addCheckable(parent());
         emit groupChanged();
     }
 }
diff --git a/src/controls/qquickexclusivegroup_p.h b/src/controls/qquickexclusivegroup_p.h
index ce000c50..100b7725 100644
--- a/src/controls/qquickexclusivegroup_p.h
+++ b/src/controls/qquickexclusivegroup_p.h
@@ -55,6 +55,7 @@
 QT_BEGIN_NAMESPACE
 
 class QQuickExclusiveGroupPrivate;
+class QQuickExclusiveAttachedPrivate;
 
 class Q_QUICKCONTROLS_EXPORT QQuickExclusiveGroup : public QObject
 {
@@ -98,7 +99,8 @@ Q_SIGNALS:
     void groupChanged();
 
 private:
-    QQuickExclusiveGroup *m_group;
+    Q_DISABLE_COPY(QQuickExclusiveAttached)
+    Q_DECLARE_PRIVATE(QQuickExclusiveAttached)
 };
 
 QT_END_NAMESPACE