Long live Qt 4.5!

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diff --git a/src/gui/itemviews/qcolumnview.h b/src/gui/itemviews/qcolumnview.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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 are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOLUMNVIEW_H
+#define QCOLUMNVIEW_H
+
+#include <QtGui/qabstractitemview.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_COLUMNVIEW
+
+class QColumnViewPrivate;
+
+class Q_GUI_EXPORT QColumnView : public QAbstractItemView {
+
+Q_OBJECT
+    Q_PROPERTY(bool resizeGripsVisible READ resizeGripsVisible WRITE setResizeGripsVisible)
+
+Q_SIGNALS:
+    void updatePreviewWidget(const QModelIndex &index);
+
+public:
+    explicit QColumnView(QWidget *parent = 0);
+    ~QColumnView();
+
+    // QAbstractItemView overloads
+    QModelIndex indexAt(const QPoint &point) const;
+    void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible);
+    QSize sizeHint() const;
+    QRect visualRect(const QModelIndex &index) const;
+    void setModel(QAbstractItemModel *model);
+    void setSelectionModel(QItemSelectionModel * selectionModel);
+    void setRootIndex(const QModelIndex &index);
+    void selectAll();
+
+    // QColumnView functions
+    void setResizeGripsVisible(bool visible);
+    bool resizeGripsVisible() const;
+
+    QWidget *previewWidget() const;
+    void setPreviewWidget(QWidget *widget);
+
+    void setColumnWidths(const QList<int> &list);
+    QList<int> columnWidths() const;
+
+protected:
+    QColumnView(QColumnViewPrivate &dd, QWidget *parent = 0);
+
+    // QAbstractItemView overloads
+    bool isIndexHidden(const QModelIndex &index) const;
+    QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers);
+    void resizeEvent(QResizeEvent *event);
+    void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags command);
+    QRegion visualRegionForSelection(const QItemSelection &selection) const;
+    int horizontalOffset() const;
+    int verticalOffset() const;
+    void scrollContentsBy(int dx, int dy);
+
+    // QColumnView functions
+    virtual QAbstractItemView* createColumn(const QModelIndex &rootIndex);
+    void initializeColumn(QAbstractItemView *column) const;
+
+protected Q_SLOTS:
+    // QAbstractItemView overloads
+    void currentChanged(const QModelIndex &current, const QModelIndex &previous);
+
+private:
+    Q_DECLARE_PRIVATE(QColumnView)
+    Q_DISABLE_COPY(QColumnView)
+    Q_PRIVATE_SLOT(d_func(), void _q_gripMoved(int))
+    Q_PRIVATE_SLOT(d_func(), void _q_changeCurrentColumn())
+    Q_PRIVATE_SLOT(d_func(), void _q_clicked(const QModelIndex &))
+};
+
+#endif // QT_NO_COLUMNVIEW
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QCOLUMNVIEW_H
+