Use linked list instead of QList for node children.

1 files changed, 10 insertions, 3 deletions

diff --git a/src/declarative/scenegraph/coreapi/qsgnode.h b/src/declarative/scenegraph/coreapi/qsgnode.h
index b2444d593c..2705958e04 100644
--- a/src/declarative/scenegraph/coreapi/qsgnode.h
+++ b/src/declarative/scenegraph/coreapi/qsgnode.h
@@ -124,8 +124,12 @@ public:
     void insertChildNodeBefore(QSGNode *node, QSGNode *before);
     void insertChildNodeAfter(QSGNode *node, QSGNode *after);
 
-    int childCount() const { return m_children.size(); }
-    QSGNode *childAtIndex(int i) const { return m_children.at(i); }
+    int childCount() const;
+    QSGNode *childAtIndex(int i) const;
+    QSGNode *firstChild() const { return m_firstChild; }
+    QSGNode *lastChild() const { return m_lastChild; }
+    QSGNode *nextSibling() const { return m_nextSibling; }
+    QSGNode* previousSibling() const { return m_previousSibling; }
 
     inline NodeType type() const { return m_type; }
 
@@ -161,7 +165,10 @@ private:
 
     QSGNode *m_parent;
     NodeType m_type;
-    QList<QSGNode *> m_children;
+    QSGNode *m_firstChild;
+    QSGNode *m_lastChild;
+    QSGNode *m_nextSibling;
+    QSGNode *m_previousSibling;
     int m_subtreeGeometryCount;
 
     Flags m_nodeFlags;