Pass a pointer to the property data into the method evaluating a binding

Make it possible to evaluate the binding but write the result into
a different memory location. This will help support compat properties,
where the setter does a lot of additional work.

Change-Id: Ib60220eb629e3dcb5c0d7004b693e92290dfabe5
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/kernel/qproperty_p.h b/src/corelib/kernel/qproperty_p.h
index fbc9a072c3..6c53101129 100644
--- a/src/corelib/kernel/qproperty_p.h
+++ b/src/corelib/kernel/qproperty_p.h
@@ -230,7 +230,7 @@ public:
     void unlinkAndDeref();
 
     void markDirtyAndNotifyObservers();
-    bool evaluateIfDirtyAndReturnTrueIfValueChanged();
+    bool evaluateIfDirtyAndReturnTrueIfValueChanged(const QUntypedPropertyData *data);
 
     static QPropertyBindingPrivate *get(const QUntypedPropertyBinding &binding)
     { return binding.d.data(); }