Add a Follow::followValue property

2 files changed, 22 insertions, 0 deletions

diff --git a/src/declarative/util/qmlfollow.cpp b/src/declarative/util/qmlfollow.cpp
index c841b85..01d8962 100644
--- a/src/declarative/util/qmlfollow.cpp
+++ b/src/declarative/util/qmlfollow.cpp
@@ -52,6 +52,7 @@ QML_DEFINE_TYPE(QmlFollow,Follow);
 
 class QmlFollowPrivate : public QObjectPrivate
 {
+    Q_DECLARE_PUBLIC(QmlFollow)
 public:
     QmlFollowPrivate()
         : sourceValue(0), maxVelocity(0), lastTime(0)
@@ -86,6 +87,8 @@ public:
 
 void QmlFollowPrivate::tick(int time)
 {
+    Q_Q(QmlFollow);
+
     int elapsed = time - lastTime;
     if (!elapsed)
         return;
@@ -133,6 +136,7 @@ void QmlFollowPrivate::tick(int time)
         }
         lastTime = time;
     }
+    emit q->valueChanged(currentValue);
     property.write(currentValue);
 }
 
@@ -288,6 +292,11 @@ void QmlFollow::setDamping(qreal damping)
 }
 
 /*!
+    \qmlproperty qreal Follow::followValue
+    The current value.
+*/
+
+/*!
     \qmlproperty bool Follow::enabled
     This property holds whether the target will track the source.
 */
@@ -306,4 +315,11 @@ void QmlFollow::setEnabled(bool enabled)
     else
         d->stop();
 }
+
+qreal QmlFollow::value() const
+{
+    Q_D(const QmlFollow);
+    return d->currentValue;
+}
+
 QT_END_NAMESPACE
diff --git a/src/declarative/util/qmlfollow.h b/src/declarative/util/qmlfollow.h
index a609305..aac4c01 100644
--- a/src/declarative/util/qmlfollow.h
+++ b/src/declarative/util/qmlfollow.h
@@ -65,6 +65,7 @@ class Q_DECLARATIVE_EXPORT QmlFollow : public QmlPropertyValueSource,
     Q_PROPERTY(qreal damping READ damping WRITE setDamping);
     Q_PROPERTY(bool enabled READ enabled WRITE setEnabled);
 
+    Q_PROPERTY(qreal followValue READ value NOTIFY valueChanged); 
 public:
     QmlFollow(QObject *parent=0);
     ~QmlFollow();
@@ -81,6 +82,11 @@ public:
     void setDamping(qreal damping);
     bool enabled() const;
     void setEnabled(bool enabled);
+
+    qreal value() const;
+
+Q_SIGNALS:
+    void valueChanged(qreal);
 };
 
 QML_DECLARE_TYPE(QmlFollow);