KDChartAbstractAreaWidget.h

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/* -*- Mode: C++ -*-
   KDChart - a multi-platform charting engine
   */

/****************************************************************************
 ** Copyright (C) 2005-2007 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KD Chart library.
 **
 ** 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.
 **
 ** Licensees holding valid commercial KD Chart licenses may use this file in
 ** accordance with the KD Chart Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.kdab.net/kdchart for
 **   information about KD Chart Commercial License Agreements.
 **
 ** Contact info@kdab.net if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/

#ifndef KDCHARTABSTRACTAREAWIDGET_H
#define KDCHARTABSTRACTAREAWIDGET_H

#include <QWidget>
#include <QPaintEvent>
#include <QPainter>
#include <QRect>

#include "KDChartAbstractAreaBase.h"

namespace KDChart {


class KDCHART_EXPORT AbstractAreaWidget : public QWidget, public AbstractAreaBase
{
    Q_OBJECT

    Q_DISABLE_COPY( AbstractAreaWidget )
    KDCHART_DECLARE_PRIVATE_DERIVED_QWIDGET( AbstractAreaWidget )

public:
    explicit AbstractAreaWidget( QWidget* parent = 0 );

    virtual void paintEvent( QPaintEvent* event );

    virtual void paintIntoRect( QPainter& painter, const QRect& rect );

    virtual void paint( QPainter* painter ) = 0;

    void paintAll( QPainter& painter );

    virtual void forceRebuild();

    virtual void needSizeHint();
    //virtual void setGeometry( const QRect & rect );
    virtual void resizeLayout( const QSize& );

protected:
    virtual ~AbstractAreaWidget() ;
    virtual QRect areaGeometry() const;
    virtual void positionHasChanged();


public:
//    virtual AbstractAreaWidget * clone() const = 0;

Q_SIGNALS:
    void positionChanged( AbstractAreaWidget * );

}; // End of class AbstractAreaWidget

}
#endif // KDCHARTABSTRACTAREAWIDGET_H

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