5 files changed, 15 insertions, 8 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene_bsp.cpp b/src/gui/graphicsview/qgraphicsscene_bsp.cpp
index b73cba2..29c54bb 100644
--- a/src/gui/graphicsview/qgraphicsscene_bsp.cpp
+++ b/src/gui/graphicsview/qgraphicsscene_bsp.cpp
@@ -83,8 +83,8 @@ public:
     }
 };
 
-QGraphicsSceneBspTree::QGraphicsSceneBspTree()
-    : leafCnt(0)
+QGraphicsSceneBspTree::QGraphicsSceneBspTree(QObject *parent)
+    : QGraphicsSceneIndex(parent), leafCnt(0)
 {
     insertVisitor = new QGraphicsSceneInsertItemBspTreeVisitor;
     removeVisitor = new QGraphicsSceneRemoveItemBspTreeVisitor;
diff --git a/src/gui/graphicsview/qgraphicsscene_bsp_p.h b/src/gui/graphicsview/qgraphicsscene_bsp_p.h
index ed207ea..8b7d753 100644
--- a/src/gui/graphicsview/qgraphicsscene_bsp_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_bsp_p.h
@@ -72,6 +72,8 @@ class QGraphicsSceneFindItemBspTreeVisitor;
 
 class Q_AUTOTEST_EXPORT QGraphicsSceneBspTree : public QGraphicsSceneIndex
 {
+    Q_OBJECT
+
 public:
     struct Node
     {
@@ -83,7 +85,7 @@ public:
         Type type;
     };
 
-    QGraphicsSceneBspTree();
+    QGraphicsSceneBspTree(QObject *parent = 0);
     ~QGraphicsSceneBspTree();
 
     void initialize(const QRectF &rect, int depth);
diff --git a/src/gui/graphicsview/qgraphicsscene_linear_p.h b/src/gui/graphicsview/qgraphicsscene_linear_p.h
index 1981b17..4871b2c 100644
--- a/src/gui/graphicsview/qgraphicsscene_linear_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_linear_p.h
@@ -66,12 +66,14 @@ QT_BEGIN_NAMESPACE
 
 class Q_AUTOTEST_EXPORT QGraphicsSceneLinearIndex : public QGraphicsSceneIndex
 {
+    Q_OBJECT
+
 private:
     QRectF m_sceneRect;
     QList<QGraphicsItem*> m_items;
 
 public:
-    QGraphicsSceneLinearIndex(): QGraphicsSceneIndex() {
+    QGraphicsSceneLinearIndex(QObject *parent = 0): QGraphicsSceneIndex(parent) {
     }
 
     virtual void setRect(const QRectF &rect) {
diff --git a/src/gui/graphicsview/qgraphicssceneindex.cpp b/src/gui/graphicsview/qgraphicssceneindex.cpp
index 99d1b3b..904e0af 100644
--- a/src/gui/graphicsview/qgraphicssceneindex.cpp
+++ b/src/gui/graphicsview/qgraphicssceneindex.cpp
@@ -49,7 +49,7 @@ QT_BEGIN_NAMESPACE
 /*!
     Constructs an abstract scene index.
 */
-QGraphicsSceneIndex::QGraphicsSceneIndex()
+QGraphicsSceneIndex::QGraphicsSceneIndex(QObject *parent): QObject(parent)
 {
 }
 
@@ -166,6 +166,6 @@ void QGraphicsSceneIndex::updateItems(const QList<QGraphicsItem *> &items)
 
 QT_END_NAMESPACE
 
-//#include "moc_qgraphicssceneindex.cpp"
+#include "moc_qgraphicssceneindex.cpp"
 
 #endif // QT_NO_GRAPHICSVIEW
diff --git a/src/gui/graphicsview/qgraphicssceneindex.h b/src/gui/graphicsview/qgraphicssceneindex.h
index f78672f..d3b6c9f 100644
--- a/src/gui/graphicsview/qgraphicssceneindex.h
+++ b/src/gui/graphicsview/qgraphicssceneindex.h
@@ -43,6 +43,7 @@
 #define QGRAPHICSSCENEINDEX_H
 
 #include <QtCore/qnamespace.h>
+#include <QtCore/qobject.h>
 
 QT_BEGIN_HEADER
 
@@ -58,10 +59,12 @@ class QRectF;
 class QPointF;
 template<typename T> class QList;
 
-class Q_GUI_EXPORT QGraphicsSceneIndex
+class Q_GUI_EXPORT QGraphicsSceneIndex: public QObject
 {
+    Q_OBJECT
+
 public:
-    QGraphicsSceneIndex();
+    QGraphicsSceneIndex(QObject *parent = 0);
     virtual ~QGraphicsSceneIndex();
 
     virtual void setRect(const QRectF &rect) = 0;