diff -r 000000000000 -r 1918ee327afb tools/designer/src/lib/shared/sheet_delegate.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/sheet_delegate.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "sheet_delegate_p.h"
+
+#include <QtCore/QAbstractItemModel>
+#include <QtGui/QTreeView>
+#include <QtGui/QStyle>
+#include <QtGui/QPainter>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+SheetDelegate::SheetDelegate(QTreeView *view, QWidget *parent)
+    : QItemDelegate(parent),
+      m_view(view)
+{
+}
+
+void SheetDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    const QAbstractItemModel *model = index.model();
+    Q_ASSERT(model);
+
+    if (!model->parent(index).isValid()) {
+        // this is a top-level item.
+        QStyleOptionButton buttonOption;
+
+        buttonOption.state = option.state;
+#ifdef Q_WS_MAC
+        buttonOption.state |= QStyle::State_Raised;
+#endif
+        buttonOption.state &= ~QStyle::State_HasFocus;
+
+        buttonOption.rect = option.rect;
+        buttonOption.palette = option.palette;
+        buttonOption.features = QStyleOptionButton::None;
+        m_view->style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter, m_view);
+
+        QStyleOption branchOption;
+        static const int i = 9; // ### hardcoded in qcommonstyle.cpp
+        QRect r = option.rect;
+        branchOption.rect = QRect(r.left() + i/2, r.top() + (r.height() - i)/2, i, i);
+        branchOption.palette = option.palette;
+        branchOption.state = QStyle::State_Children;
+
+        if (m_view->isExpanded(index))
+            branchOption.state |= QStyle::State_Open;
+
+        m_view->style()->drawPrimitive(QStyle::PE_IndicatorBranch, &branchOption, painter, m_view);
+
+        // draw text
+        QRect textrect = QRect(r.left() + i*2, r.top(), r.width() - ((5*i)/2), r.height());
+        QString text = elidedText(option.fontMetrics, textrect.width(), Qt::ElideMiddle, 
+            model->data(index, Qt::DisplayRole).toString());
+        m_view->style()->drawItemText(painter, textrect, Qt::AlignCenter,
+            option.palette, m_view->isEnabled(), text);
+
+    } else {
+        QItemDelegate::paint(painter, option, index);
+    }
+}
+
+QSize SheetDelegate::sizeHint(const QStyleOptionViewItem &opt, const QModelIndex &index) const
+{
+    QStyleOptionViewItem option = opt;
+    QSize sz = QItemDelegate::sizeHint(opt, index) + QSize(2, 2);
+    return sz;
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE