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

    /****************************************************************************
    **
    ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** 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