Qt Designer: Replace a QHash<QObject *,bool> by QSet<QObject *>

Change-Id: I6f18597d7777a4cacac1e6cb5d2c2059a00e868f
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
(cherry picked from commit c3feee64550c42aacd4b39bc180c34b63f010fc2)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 3 insertions, 3 deletions

diff --git a/src/designer/src/lib/extension/default_extensionfactory.cpp b/src/designer/src/lib/extension/default_extensionfactory.cpp
index 9ddeb5049..99eb1a5eb 100644
--- a/src/designer/src/lib/extension/default_extensionfactory.cpp
+++ b/src/designer/src/lib/extension/default_extensionfactory.cpp
@@ -89,7 +89,7 @@ QObject *QExtensionFactory::extension(QObject *object, const QString &iid) const
 
     if (!m_extended.contains(object)) {
         connect(object, &QObject::destroyed, this, &QExtensionFactory::objectDestroyed);
-        m_extended.insert(object, true);
+        m_extended.insert(object);
     }
 
     if (it == m_extensions.end())
diff --git a/src/designer/src/lib/extension/default_extensionfactory.h b/src/designer/src/lib/extension/default_extensionfactory.h
index 4c359c93b..589ade795 100644
--- a/src/designer/src/lib/extension/default_extensionfactory.h
+++ b/src/designer/src/lib/extension/default_extensionfactory.h
@@ -10,6 +10,7 @@
 #include <QtCore/qmap.h>
 #include <QtCore/qhash.h>
 #include <QtCore/qpair.h>
+#include <QtCore/qset.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -35,8 +36,7 @@ private:
     typedef QPair<QString,QObject*> IdObjectKey;
     typedef QMap< IdObjectKey, QObject*> ExtensionMap;
     mutable ExtensionMap m_extensions;
-    typedef QHash<QObject*, bool> ExtendedSet;
-    mutable ExtendedSet m_extended;
+    mutable QSet<QObject *> m_extended;
 };
 
 QT_END_NAMESPACE