KissCount/lib/libkdchart/src/KDChartTextArea.h

86 lines
2.6 KiB
C++

/****************************************************************************
** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Chart library.
**
** 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 may be distributed and/or modified under the terms of the
** GNU General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#ifndef KDCHART_TEXT_AREA_H
#define KDCHART_TEXT_AREA_H
#include <QObject>
#include "KDChartGlobal.h"
#include "KDChartAbstractAreaBase.h"
#include "KDChartLayoutItems.h"
namespace KDChart {
/**
* @class TextArea KDChartTextArea.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 from AbstractAreaBase, TextLayoutItem, QObject.
* The reason for this tripple inheritance is that neither AbstractAreaBase nor
* TextLayoutItem are QObject.
*/
class KDCHART_EXPORT TextArea : public QObject, public AbstractAreaBase, public TextLayoutItem
{
Q_OBJECT
Q_DISABLE_COPY( TextArea )
KDCHART_DECLARE_PRIVATE_DERIVED( TextArea )
public:
virtual ~TextArea() ;
// 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 );
protected:
TextArea();
virtual QRect areaGeometry() const;
virtual void positionHasChanged();
Q_SIGNALS:
void positionChanged( TextArea * );
//KDCHART_DECLARE_PRIVATE_DERIVED(TextArea)
}; // End of class TextArea
}
#endif // KDCHART_TEXT_AREA_H