4 files changed, 20 insertions, 6 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index e74ae3a..fc9590f 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -491,7 +491,7 @@ void QGraphicsScenePrivate::removeFromIndex(QGraphicsItem *item)
 void QGraphicsScenePrivate::resetIndex()
 {
     purgeRemovedItems();
-    if (indexMethod == QGraphicsScene::BspTreeIndex) {
+    if (indexMethod != QGraphicsScene::NoIndex) {
         for (int i = 0; i < indexedItems.size(); ++i) {
             if (QGraphicsItem *item = indexedItems.at(i)) {
                 item->d_ptr->index = -1;
@@ -2393,12 +2393,13 @@ void QGraphicsScene::setSceneIndex(QGraphicsSceneIndex *index)
     } else {
         d->indexMethod = CustomIndex;
         d->customIndex = index;
+        index->mscene = this;
     }
 }
 
-QGraphicsSceneIndex* QGraphicsScene::sceneIndex()
+QGraphicsSceneIndex* QGraphicsScene::sceneIndex() const
 {
-    Q_D(QGraphicsScene);
+    Q_D(const QGraphicsScene);
     return d->customIndex;
 }
 
diff --git a/src/gui/graphicsview/qgraphicsscene.h b/src/gui/graphicsview/qgraphicsscene.h
index 7e1e040..bb3cea7 100644
--- a/src/gui/graphicsview/qgraphicsscene.h
+++ b/src/gui/graphicsview/qgraphicsscene.h
@@ -145,7 +145,7 @@ public:
     ItemIndexMethod itemIndexMethod() const;
     void setItemIndexMethod(ItemIndexMethod method);
     void setSceneIndex(QGraphicsSceneIndex *index);
-    QGraphicsSceneIndex* sceneIndex();
+    QGraphicsSceneIndex* sceneIndex() const;
 
     bool isSortCacheEnabled() const;
     void setSortCacheEnabled(bool enabled);
diff --git a/src/gui/graphicsview/qgraphicssceneindex.cpp b/src/gui/graphicsview/qgraphicssceneindex.cpp
index 00c63a3..7868388 100644
--- a/src/gui/graphicsview/qgraphicssceneindex.cpp
+++ b/src/gui/graphicsview/qgraphicssceneindex.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include "qgraphicssceneindex.h"
+#include "qgraphicsscene.h"
 
 #ifndef QT_NO_GRAPHICSVIEW
 
@@ -54,6 +55,11 @@ QGraphicsSceneIndex::~QGraphicsSceneIndex()
 
 }
 
+QGraphicsScene* QGraphicsSceneIndex::scene()
+{
+     return mscene;
+}
+
 QT_END_NAMESPACE
 
 //#include "moc_qgraphicssceneindex.cpp"
diff --git a/src/gui/graphicsview/qgraphicssceneindex.h b/src/gui/graphicsview/qgraphicssceneindex.h
index 8e8c3ea..a56634d 100644
--- a/src/gui/graphicsview/qgraphicssceneindex.h
+++ b/src/gui/graphicsview/qgraphicssceneindex.h
@@ -53,10 +53,10 @@ QT_MODULE(Gui)
 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
 
 class QGraphicsItem;
+class QGraphicsScene;
 class QRectF;
 class QPointF;
 template<typename T> class QList;
-template<typename T> class QSet;
 
 class Q_GUI_EXPORT QGraphicsSceneIndex
 {
@@ -64,13 +64,20 @@ public:
     QGraphicsSceneIndex();
     virtual ~QGraphicsSceneIndex();
 
-    virtual void initialize(const QRectF &rect) = 0;
+    virtual void setRect(const QRectF &rect) = 0;
+    virtual QRectF rect() const = 0;
     virtual void clear() = 0;
 
     virtual void insertItem(QGraphicsItem *item, const QRectF &rect) = 0;
+    virtual void insertItems(QList<QGraphicsItem *> items, const QRectF &rect) = 0;
     virtual void removeItem(QGraphicsItem *item, const QRectF &rect) = 0;
+    virtual void removeItems(QList<QGraphicsItem *> items, const QRectF &rect) = 0;
 
     virtual QList<QGraphicsItem *> items(const QRectF &rect) = 0;
+
+    QGraphicsScene* scene();
+
+    QGraphicsScene* mscene;
 };
 
 #endif // QT_NO_GRAPHICSVIEW