Add reset function for anchors.fill and anchors.centerIn.

Task-number: QTBUG-5337

3 files changed, 38 insertions, 2 deletions

diff --git a/src/declarative/graphicsitems/qmlgraphicsanchors.cpp b/src/declarative/graphicsitems/qmlgraphicsanchors.cpp
index f26fbf5..8642476 100644
--- a/src/declarative/graphicsitems/qmlgraphicsanchors.cpp
+++ b/src/declarative/graphicsitems/qmlgraphicsanchors.cpp
@@ -355,6 +355,7 @@ void QmlGraphicsAnchors::setFill(QmlGraphicsItem *f)
     if (!f) {
         d->remDepend(d->fill);
         d->fill = f;
+        emit fillChanged();
         return;
     }
     if (f != d->item->parentItem() && f->parentItem() != d->item->parentItem()){
@@ -368,6 +369,11 @@ void QmlGraphicsAnchors::setFill(QmlGraphicsItem *f)
     d->fillChanged();
 }
 
+void QmlGraphicsAnchors::resetFill()
+{
+    setFill(0);
+}
+
 QmlGraphicsItem *QmlGraphicsAnchors::centerIn() const
 {
     Q_D(const QmlGraphicsAnchors);
@@ -383,6 +389,7 @@ void QmlGraphicsAnchors::setCenterIn(QmlGraphicsItem* c)
     if (!c) {
         d->remDepend(d->centerIn);
         d->centerIn = c;
+        emit centerInChanged();
         return;
     }
     if (c != d->item->parentItem() && c->parentItem() != d->item->parentItem()){
@@ -397,6 +404,11 @@ void QmlGraphicsAnchors::setCenterIn(QmlGraphicsItem* c)
     d->centerInChanged();
 }
 
+void QmlGraphicsAnchors::resetCenterIn()
+{
+    setCenterIn(0);
+}
+
 bool QmlGraphicsAnchorsPrivate::calcStretch(const QmlGraphicsAnchorLine &edge1,
                                     const QmlGraphicsAnchorLine &edge2,
                                     int offset1,
diff --git a/src/declarative/graphicsitems/qmlgraphicsanchors_p.h b/src/declarative/graphicsitems/qmlgraphicsanchors_p.h
index e432428..507b4d8 100644
--- a/src/declarative/graphicsitems/qmlgraphicsanchors_p.h
+++ b/src/declarative/graphicsitems/qmlgraphicsanchors_p.h
@@ -72,8 +72,8 @@ class Q_DECLARATIVE_EXPORT QmlGraphicsAnchors : public QObject
     Q_PROPERTY(qreal bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged)
     Q_PROPERTY(qreal verticalCenterOffset READ verticalCenterOffset WRITE setVerticalCenterOffset NOTIFY verticalCenterOffsetChanged())
     Q_PROPERTY(qreal baselineOffset READ baselineOffset WRITE setBaselineOffset NOTIFY baselineOffsetChanged())
-    Q_PROPERTY(QmlGraphicsItem *fill READ fill WRITE setFill NOTIFY fillChanged)
-    Q_PROPERTY(QmlGraphicsItem *centerIn READ centerIn WRITE setCenterIn NOTIFY centerInChanged)
+    Q_PROPERTY(QmlGraphicsItem *fill READ fill WRITE setFill RESET resetFill NOTIFY fillChanged)
+    Q_PROPERTY(QmlGraphicsItem *centerIn READ centerIn WRITE setCenterIn RESET resetCenterIn NOTIFY centerInChanged)
 
 public:
     QmlGraphicsAnchors(QObject *parent=0);
@@ -143,9 +143,11 @@ public:
 
     QmlGraphicsItem *fill() const;
     void setFill(QmlGraphicsItem *);
+    void resetFill();
 
     QmlGraphicsItem *centerIn() const;
     void setCenterIn(QmlGraphicsItem *);
+    void resetCenterIn();
 
     UsedAnchors usedAnchors() const;
 
diff --git a/tests/auto/declarative/anchors/tst_anchors.cpp b/tests/auto/declarative/anchors/tst_anchors.cpp
index 3011fdc..44e812a 100644
--- a/tests/auto/declarative/anchors/tst_anchors.cpp
+++ b/tests/auto/declarative/anchors/tst_anchors.cpp
@@ -67,6 +67,7 @@ private slots:
     void illegalSets_data();
     void reset();
     void reset_data();
+    void resetConvenience();
     void nullItem();
     void nullItem_data();
     void crash1();
@@ -312,6 +313,27 @@ void tst_anchors::reset_data()
     QTest::newRow("baseline") << "baseline" << QmlGraphicsAnchorLine::Baseline << QmlGraphicsAnchors::HasBaselineAnchor;
 }
 
+void tst_anchors::resetConvenience()
+{
+    QmlGraphicsItem *baseItem = new QmlGraphicsItem;
+    QmlGraphicsItem *item = new QmlGraphicsItem;
+
+    //fill
+    item->anchors()->setFill(baseItem);
+    QVERIFY(item->anchors()->fill() == baseItem);
+    item->anchors()->resetFill();
+    QVERIFY(item->anchors()->fill() == 0);
+
+    //centerIn
+    item->anchors()->setCenterIn(baseItem);
+    QVERIFY(item->anchors()->centerIn() == baseItem);
+    item->anchors()->resetCenterIn();
+    QVERIFY(item->anchors()->centerIn() == 0);
+
+    delete item;
+    delete baseItem;
+}
+
 void tst_anchors::nullItem()
 {
     QFETCH(QString, side);