Completing the interface for children/data/resources

This patch makes the handling of properties like
children and data easier in Bauhaus.
Especially in the case of property alias

Reviewed-by: Aaron Kennedy

2 files changed, 9 insertions, 1 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 7a5b8de..9e43f2f 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -7676,6 +7676,13 @@ QGraphicsObject *QGraphicsItemPrivate::children_at(QDeclarativeListProperty<QGra
         return 0;
 }
 
+void QGraphicsItemPrivate::children_clear(QDeclarativeListProperty<QGraphicsObject> *list)
+{
+    QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(static_cast<QGraphicsObject *>(list->object));
+    for (int index = 0 ;index < d->children.count();index++)
+        QGraphicsItemPrivate::get(d->children.at(index))->setParentItemHelper(0, /*newParentVariant=*/0, /*thisPointerVariant=*/0);
+}
+
 /*!
     Returns a list of this item's children.
 
@@ -7689,7 +7696,7 @@ QDeclarativeListProperty<QGraphicsObject> QGraphicsItemPrivate::childrenList()
     if (isObject) {
         QGraphicsObject *that = static_cast<QGraphicsObject *>(q);
         return QDeclarativeListProperty<QGraphicsObject>(that, &children, children_append,
-                                                         children_count, children_at);
+                                                         children_count, children_at, children_clear);
     } else {
         //QGraphicsItem is not supported for this property
         return QDeclarativeListProperty<QGraphicsObject>();
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index d60dffb..cce9439 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -487,6 +487,7 @@ public:
     static void children_append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item);
     static int children_count(QDeclarativeListProperty<QGraphicsObject> *list);
     static QGraphicsObject *children_at(QDeclarativeListProperty<QGraphicsObject> *list, int);
+    static void children_clear(QDeclarativeListProperty<QGraphicsObject> *list);
 
     inline QTransform transformToParent() const;
     inline void ensureSortedChildren();