86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
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/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#ifndef KDCHART_TEXT_AREA_H
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#define KDCHART_TEXT_AREA_H
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#include <QObject>
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#include "KDChartGlobal.h"
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#include "KDChartAbstractAreaBase.h"
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#include "KDChartLayoutItems.h"
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namespace KDChart {
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/**
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* @class TextArea KDChartTextArea.h
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* @brief A text area in the chart with a background, a frame, etc.
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*
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* TextArea is the base class for all text containing non-widget chart elements
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* that have a set of background attributes and frame attributes, such as
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* headers or footers.
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*
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* @note This class inherits from AbstractAreaBase, TextLayoutItem, QObject.
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* The reason for this tripple inheritance is that neither AbstractAreaBase nor
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* TextLayoutItem are QObject.
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*/
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class KDCHART_EXPORT TextArea : public QObject, public AbstractAreaBase, public TextLayoutItem
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{
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Q_OBJECT
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Q_DISABLE_COPY( TextArea )
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KDCHART_DECLARE_PRIVATE_DERIVED( TextArea )
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public:
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virtual ~TextArea() ;
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// virtual TextArea * clone() const = 0;
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/**
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* @brief Draws the background and frame, then calls paint().
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*
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* In most cases there is no need to overwrite this method in a derived
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* class, but you would overwrite TextLayoutItem::paint() instead.
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*/
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virtual void paintIntoRect( QPainter& painter, const QRect& rect );
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/**
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* Call paintAll, if you want the background and the frame to be drawn
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* before the normal paint() is invoked automatically.
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*/
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void paintAll( QPainter& painter );
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protected:
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TextArea();
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virtual QRect areaGeometry() const;
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virtual void positionHasChanged();
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Q_SIGNALS:
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void positionChanged( TextArea * );
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//KDCHART_DECLARE_PRIVATE_DERIVED(TextArea)
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}; // End of class TextArea
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}
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#endif // KDCHART_TEXT_AREA_H
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