Allow MouseArea.Drag.target to be reset.

Task-number: QTBUG-9637

2 files changed, 10 insertions, 1 deletions

diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index 06ecb61..c95bd29 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -71,6 +71,14 @@ void QDeclarativeDrag::setTarget(QGraphicsObject *t)
     emit targetChanged();
 }
 
+void QDeclarativeDrag::resetTarget()
+{
+    if (!_target)
+        return;
+    _target = 0;
+    emit targetChanged();
+}
+
 QDeclarativeDrag::Axis QDeclarativeDrag::axis() const
 {
     return _axis;
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea_p.h b/src/declarative/graphicsitems/qdeclarativemousearea_p.h
index db49b57..58faac1 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea_p.h
+++ b/src/declarative/graphicsitems/qdeclarativemousearea_p.h
@@ -55,7 +55,7 @@ class Q_DECLARATIVE_EXPORT QDeclarativeDrag : public QObject
     Q_OBJECT
 
     Q_ENUMS(Axis)
-    Q_PROPERTY(QGraphicsObject *target READ target WRITE setTarget NOTIFY targetChanged)
+    Q_PROPERTY(QGraphicsObject *target READ target WRITE setTarget NOTIFY targetChanged RESET resetTarget)
     Q_PROPERTY(Axis axis READ axis WRITE setAxis NOTIFY axisChanged)
     Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged)
     Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged)
@@ -69,6 +69,7 @@ public:
 
     QGraphicsObject *target() const;
     void setTarget(QGraphicsObject *);
+    void resetTarget();
 
     enum Axis { XAxis=0x01, YAxis=0x02, XandYAxis=0x03 };
     Axis axis() const;