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qpropertyeditor_delegate_p.h

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Designer of the Qt Toolkit.
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** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
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#ifndef QPROPERTYEDITOR_DELEGATE_P_H
#define QPROPERTYEDITOR_DELEGATE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtGui/QItemDelegate>

namespace qdesigner_internal {

class IProperty;
class QPropertyEditorModel;

class QPropertyEditorDelegate : public QItemDelegate
{
    Q_OBJECT
public:
    QPropertyEditorDelegate(QObject *parent = 0);
    virtual ~QPropertyEditorDelegate();

    virtual bool eventFilter(QObject *object, QEvent *event);

    bool isReadOnly() const;
    void setReadOnly(bool readOnly);

//
// QItemDelegate Interface
//
    virtual void paint(QPainter *painter, const QStyleOptionViewItem &option,
                       const QModelIndex &index) const;

    virtual QSize sizeHint(const QStyleOptionViewItem &option,
                           const QModelIndex &index) const;

    virtual QWidget *createEditor(QWidget *parent,
                                  const QStyleOptionViewItem &option,
                                  const QModelIndex &index) const;

    virtual void setEditorData(QWidget *editor,
                               const QModelIndex &index) const;

    virtual void setModelData(QWidget *editor,
                              QAbstractItemModel *model,
                              const QModelIndex &index) const;

    virtual void updateEditorGeometry(QWidget *editor,
                                      const QStyleOptionViewItem &option,
                                      const QModelIndex &index) const;

signals:
    void resetProperty(const QString &propertyName);
    void editorOpened();
    void editorClosed();
public slots:
    void sync();
    void resetProperty(const IProperty *property, QPropertyEditorModel *model);
    void slotDestroyed(QObject *object);

protected:
    virtual void drawDecoration(QPainter *painter, const QStyleOptionViewItem &option,
                                const QRect &rect, const QPixmap &pixmap) const;

private:
    bool m_readOnly;
    bool m_syncing;
    mutable QObject *m_lastEdited;
};

}  // namespace qdesigner_internal

#endif // QPROPERTYEDITOR_DELEGATE_P_H

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