1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbWidgets module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #ifndef HBTREELAYOUTPRIVATE_P_P_H

    27 #define HBTREELAYOUTPRIVATE_P_P_H

    28 

    29 #include <QList>

    30 

    31 QT_BEGIN_NAMESPACE

    32 class QGraphicsLayoutItem;

    33 QT_END_NAMESPACE

    34 

    35 class HbTreeLayout;

    36 

    37 /*

    38     \private

    39     \class HbTreeLayout

    40     \brief HbTreeLayout manages geometries of hierarchical tree view contents.

    41 */

    42 

    43 class HbTreeLayoutPrivate

    44 {

    45 public:

    46     struct TreeItem

    47     {

    48         QGraphicsLayoutItem* mItem;

    49         int mLevel;

    50     };

    51 

    52     HbTreeLayoutPrivate();

    53     ~HbTreeLayoutPrivate();

    54 

    55     bool uniformSizedItems() const;

    56     qreal calculateSmallestItemHeight() const;

    57 

    58     void insertItem(int index, QGraphicsLayoutItem *item, int level, bool animate);

    59 

    60 public:

    61     QList<TreeItem> mItems;

    62     HbTreeLayout *q_ptr;

    63     qreal mIndentation;

    64     mutable qreal mSmallestItemHeight;

    65     static const qreal INVALID_ITEM_HEIGHT;

    66 };

    67 

    68 #endif // HBTREELAYOUTPRIVATE_P_P_H