KChartTextArea.h

/*
 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
 *
 * This file is part of the KD Chart library.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KCHART_TEXT_AREA_H
#define KCHART_TEXT_AREA_H
 
#include <QObject>
 
#include "KChartGlobal.h"
#include "KChartAbstractAreaBase.h"
#include "KChartLayoutItems.h"
 
namespace KChart {
 
 
/**
  * @class TextArea KChartTextArea.h
  * @brief A text area in the chart with a background, a frame, etc.
  *
  * TextArea is the base class for all text containing non-widget chart elements
  * that have a set of background attributes and frame attributes, such as
  * headers or footers.
  *
  * @note This class inherits AbstractAreaBase, TextLayoutItem, and QObject.
  * The reason for this triple inheritance is that neither AbstractAreaBase nor
  * TextLayoutItem inherit QObject.
  */
class KCHART_EXPORT TextArea : public QObject, public AbstractAreaBase, public TextLayoutItem
{
    Q_OBJECT
 
    Q_DISABLE_COPY( TextArea )
    KCHART_DECLARE_PRIVATE_DERIVED( TextArea )
 
 
public:
    ~TextArea()  override;
 
//    virtual TextArea * clone() const = 0;
    /**
      * @brief Draws the background and frame, then calls paint().
      *
      * In most cases there is no need to overwrite this method in a derived
      * class, but you would overwrite TextLayoutItem::paint() instead.
      */
    virtual void paintIntoRect( QPainter& painter, const QRect& rect );
 
    /**
      * Call paintAll, if you want the background and the frame to be drawn
      * before the normal paint() is invoked automatically.
      */
    void paintAll( QPainter& painter ) override;
 
protected:
    TextArea();
    QRect areaGeometry() const override;
    void positionHasChanged() override;
 
Q_SIGNALS:
    void positionChanged( KChart::TextArea * );
 
    //KCHART_DECLARE_PRIVATE_DERIVED(TextArea)
}; // End of class TextArea
 
}
#endif // KCHART_TEXT_AREA_H