1 files changed, 21 insertions, 0 deletions
diff --git a/src/corelib/statemachine/qsignaltransition.cpp b/src/corelib/statemachine/qsignaltransition.cpp
index f1f4786bcc..259aaf52e9 100644
--- a/src/corelib/statemachine/qsignaltransition.cpp
+++ b/src/corelib/statemachine/qsignaltransition.cpp
@@ -185,6 +185,7 @@ void QSignalTransition::setSenderObject(const QObject *sender)
     d->unregister();
     d->sender = sender;
     d->maybeRegister();
+    emit senderObjectChanged(QPrivateSignal());
 }
 
 /*!
@@ -207,6 +208,7 @@ void QSignalTransition::setSignal(const QByteArray &signal)
     d->unregister();
     d->signal = signal;
     d->maybeRegister();
+    emit signalChanged(QPrivateSignal());
 }
 
 /*!
@@ -245,6 +247,24 @@ bool QSignalTransition::event(QEvent *e)
     return QAbstractTransition::event(e);
 }
 
+/*!
+  \fn QSignalTransition::senderObjectChanged()
+  \since 5.4
+
+  This signal is emitted when the senderObject property is changed.
+
+  \sa QSignalTransition::senderObject
+*/
+
+/*!
+  \fn QSignalTransition::signalChanged()
+  \since 5.4
+
+  This signal is emitted when the signal property is changed.
+
+  \sa QSignalTransition::signal
+*/
+
 void QSignalTransitionPrivate::callOnTransition(QEvent *e)
 {
     Q_Q(QSignalTransition);
@@ -260,6 +280,7 @@ void QSignalTransitionPrivate::callOnTransition(QEvent *e)
     }
 }
 
+
 QT_END_NAMESPACE
 
 #endif //QT_NO_STATEMACHINE