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diff --git a/src/declarative/items/qsgcanvas.h b/src/declarative/items/qsgcanvas.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 QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSGCANVAS_H
+#define QSGCANVAS_H
+
+#include <QtCore/qmetatype.h>
+#include <QtOpenGL/qgl.h>
+#include <QtGui/qwidget.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QSGItem;
+class QSGEngine;
+class QSGCanvasPrivate;
+class Q_DECLARATIVE_EXPORT QSGCanvas : public QGLWidget
+{
+Q_OBJECT
+Q_DECLARE_PRIVATE(QSGCanvas)
+public:
+    QSGCanvas(QWidget *parent = 0, Qt::WindowFlags f = 0);
+    QSGCanvas(const QGLFormat &format, QWidget *parent = 0, Qt::WindowFlags f = 0);
+    virtual ~QSGCanvas();
+
+    QSGItem *rootItem() const;
+    QSGItem *activeFocusItem() const;
+
+    QSGItem *mouseGrabberItem() const;
+
+    bool sendEvent(QSGItem *, QEvent *);
+
+    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
+
+    QSGEngine *sceneGraphEngine() const;
+
+signals:
+    void sceneGraphInitialized();
+
+protected:
+    QSGCanvas(QSGCanvasPrivate &dd, QWidget *parent = 0, Qt::WindowFlags f = 0);
+    QSGCanvas(QSGCanvasPrivate &dd, const QGLFormat &format, QWidget *parent = 0, Qt::WindowFlags f = 0);
+
+    virtual void paintEvent(QPaintEvent *);
+    virtual void resizeEvent(QResizeEvent *);
+
+    virtual void showEvent(QShowEvent *);
+    virtual void hideEvent(QHideEvent *);
+
+    virtual bool event(QEvent *);
+    virtual void keyPressEvent(QKeyEvent *);
+    virtual void keyReleaseEvent(QKeyEvent *);
+    virtual void inputMethodEvent(QInputMethodEvent *);
+    virtual void mousePressEvent(QMouseEvent *);
+    virtual void mouseReleaseEvent(QMouseEvent *);
+    virtual void mouseDoubleClickEvent(QMouseEvent *);
+    virtual void mouseMoveEvent(QMouseEvent *);
+#ifndef QT_NO_WHEELEVENT
+    virtual void wheelEvent(QWheelEvent *);
+#endif
+
+private slots:
+    void sceneGraphChanged();
+    void maybeUpdate();
+
+private:
+    Q_DISABLE_COPY(QSGCanvas);
+};
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QSGCanvas *);
+
+QT_END_HEADER
+
+#endif // QSGCANVAS_H
+