QMetaProperty: Enable constructing only Data

Constructing a QMetaProperty can be unnecessarily expensive due to the
QMetaEnum resolution. Add a private method to construct only
QMetaProperty::Data. Make us of it in indexOfProperty.

Task-number: QTBUG-82931
Change-Id: If954538106bcfaa7d088db26591f6bd6eeaf3731
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/corelib/kernel/qmetaobject.h b/src/corelib/kernel/qmetaobject.h
index dd4619dc03..1e9a0097fb 100644
--- a/src/corelib/kernel/qmetaobject.h
+++ b/src/corelib/kernel/qmetaobject.h
@@ -348,6 +348,7 @@ private:
     };
 
     QMetaProperty(const QMetaObject *mobj, int index);
+    static Data getMetaPropertyData(const QMetaObject *mobj, int index);
 
     const QMetaObject *mobj;
     Data data;