/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the designer application of the Qt Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** 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.
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****************************************************************************/

#ifndef DEFAULT_LAYOUTDECORATION_H
#define DEFAULT_LAYOUTDECORATION_H

#include "formeditor_global.h"
#include <layoutdecoration.h>

#include <default_extensionfactory.h>
#include <qpair.h>

class QLayoutWidget;
class QLayoutSupport;
class FormWindow;

class QT_FORMEDITOR_EXPORT QDesignerLayoutDecoration: public QObject, public ILayoutDecoration
{
    Q_OBJECT
    Q_INTERFACES(ILayoutDecoration)
public:
    QDesignerLayoutDecoration(QLayoutWidget *widget, QObject *parent = 0);
    QDesignerLayoutDecoration(FormWindow *formWindow, QWidget *widget, QObject *parent = 0);
    virtual ~QDesignerLayoutDecoration();

    virtual InsertMode currentInsertMode() const;
    virtual int currentIndex() const;
    virtual QPair<int, int> currentCell() const;
    virtual void insertWidget(QWidget *widget, const QPair<int, int> &cell);
    virtual void removeWidget(QWidget *widget);

    virtual void insertRow(int row);
    virtual void insertColumn(int column);
    virtual void simplify();

    virtual int findItemAt(const QPoint &pos) const;
    virtual void adjustIndicator(const QPoint &pos, int index);

private:
    QLayoutSupport *m_layoutSupport;
};

class QT_FORMEDITOR_EXPORT QDesignerLayoutDecorationFactory: public DefaultExtensionFactory
{
    Q_OBJECT
    Q_INTERFACES(ExtensionFactory)
public:
    QDesignerLayoutDecorationFactory(QExtensionManager *parent = 0);

protected:
    virtual QObject *createExtension(QObject *object, const QString &iid, QObject *parent) const;
};

#endif // DEFAULT_LAYOUTDECORATION_H
