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diff --git a/qtinterface/qt4/Qt/qtreewidgetitemiterator.h b/qtinterface/qt4/Qt/qtreewidgetitemiterator.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTREEWIDGETITEMITERATOR_H
+#define QTREEWIDGETITEMITERATOR_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_TREEWIDGET
+
+class QTreeWidget;
+class QTreeWidgetItem;
+class QTreeModel;
+
+class QTreeWidgetItemIteratorPrivate;
+class Q_GUI_EXPORT QTreeWidgetItemIterator
+{
+    friend class QTreeModel;
+
+public:
+    enum IteratorFlag {
+        All           = 0x00000000,
+        Hidden        = 0x00000001,
+        NotHidden     = 0x00000002,
+        Selected      = 0x00000004,
+        Unselected    = 0x00000008,
+        Selectable    = 0x00000010,
+        NotSelectable = 0x00000020,
+        DragEnabled   = 0x00000040,
+        DragDisabled  = 0x00000080,
+        DropEnabled   = 0x00000100,
+        DropDisabled  = 0x00000200,
+        HasChildren   = 0x00000400,
+        NoChildren    = 0x00000800,
+        Checked       = 0x00001000,
+        NotChecked    = 0x00002000,
+        Enabled       = 0x00004000,
+        Disabled      = 0x00008000,
+        Editable      = 0x00010000,
+        NotEditable   = 0x00020000,
+        UserFlag      = 0x01000000 // The first flag that can be used by the user.
+    };
+    Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag)
+
+    QTreeWidgetItemIterator(const QTreeWidgetItemIterator &it);
+    explicit QTreeWidgetItemIterator(QTreeWidget *widget, IteratorFlags flags = All);
+    explicit QTreeWidgetItemIterator(QTreeWidgetItem *item, IteratorFlags flags = All);
+    ~QTreeWidgetItemIterator();
+
+    QTreeWidgetItemIterator &operator=(const QTreeWidgetItemIterator &it);
+
+    QTreeWidgetItemIterator &operator++();
+    inline const QTreeWidgetItemIterator operator++(int);
+    inline QTreeWidgetItemIterator &operator+=(int n);
+
+    QTreeWidgetItemIterator &operator--();
+    inline const QTreeWidgetItemIterator operator--(int);
+    inline QTreeWidgetItemIterator &operator-=(int n);
+
+    inline QTreeWidgetItem *operator*() const;
+
+private:
+    bool matchesFlags(const QTreeWidgetItem *item) const;
+    QScopedPointer<QTreeWidgetItemIteratorPrivate> d_ptr;
+    QTreeWidgetItem *current;
+    IteratorFlags flags;
+    Q_DECLARE_PRIVATE(QTreeWidgetItemIterator)
+};
+
+inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator++(int)
+{
+    QTreeWidgetItemIterator it = *this;
+    ++(*this);
+    return it;
+}
+
+inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator--(int)
+{
+    QTreeWidgetItemIterator it = *this;
+    --(*this);
+    return it;
+}
+
+inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator+=(int n)
+{
+    if (n < 0)
+        return (*this) -= (-n);
+    while (current && n--)
+        ++(*this);
+    return *this;
+}
+
+inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator-=(int n)
+{
+    if (n < 0)
+        return (*this) += (-n);
+    while (current && n--)
+        --(*this);
+    return *this;
+}
+
+inline QTreeWidgetItem *QTreeWidgetItemIterator::operator*() const
+{
+    return current;
+}
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QTreeWidgetItemIterator::IteratorFlags)
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_TREEWIDGET
+QT_END_HEADER
+
+#endif // QTREEWIDGETITEMITERATOR_H