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# settingstree.h Example File
tools/settingseditor/settingstree.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 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 GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
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     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #ifndef SETTINGSTREE_H
     #define SETTINGSTREE_H

     #include <QIcon>
     #include <QTimer>
     #include <QTreeWidget>

     class QSettings;

     class SettingsTree : public QTreeWidget
     {
         Q_OBJECT

     public:
         SettingsTree(QWidget *parent = 0);

         void setSettingsObject(QSettings *settings);
         QSize sizeHint() const;

     public slots:
         void setAutoRefresh(bool autoRefresh);
         void setFallbacksEnabled(bool enabled);
         void maybeRefresh();
         void refresh();

     protected:
         bool event(QEvent *event);

     private slots:
         void updateSetting(QTreeWidgetItem *item);

     private:
         void updateChildItems(QTreeWidgetItem *parent);
         QTreeWidgetItem *createItem(const QString &text, QTreeWidgetItem *parent,
                                     int index);
         QTreeWidgetItem *childAt(QTreeWidgetItem *parent, int index);
         int childCount(QTreeWidgetItem *parent);
         int findChild(QTreeWidgetItem *parent, const QString &text, int startIndex);
         void moveItemForward(QTreeWidgetItem *parent, int oldIndex, int newIndex);

         QSettings *settings;
         QTimer refreshTimer;
         bool autoRefresh;
         QIcon groupIcon;
         QIcon keyIcon;
     };

     #endif