# KDChartAbstractAreaWidget.h

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    00001 /* -*- Mode: C++ -*-
    00002    KDChart - a multi-platform charting engine
    00003    */
    00004
    00005 /****************************************************************************
    00006  ** Copyright (C) 2005-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
    00007  **
    00008  ** This file is part of the KD Chart library.
    00009  **
    00010  ** This file may be distributed and/or modified under the terms of the
    00011  ** GNU General Public License version 2 as published by the Free Software
    00012  ** Foundation and appearing in the file LICENSE.GPL included in the
    00013  ** packaging of this file.
    00014  **
    00015  ** Licensees holding valid commercial KD Chart licenses may use this file in
    00016  ** accordance with the KD Chart Commercial License Agreement provided with
    00017  ** the Software.
    00018  **
    00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    00021  **
    00022  ** See http://www.kdab.net/kdchart for
    00023  **   information about KD Chart Commercial License Agreements.
    00024  **
    00025  ** Contact info@kdab.net if any conditions of this
    00026  ** licensing are not clear to you.
    00027  **
    00028  **********************************************************************/
    00029
    00030 #ifndef KDCHARTABSTRACTAREAWIDGET_H
    00031 #define KDCHARTABSTRACTAREAWIDGET_H
    00032
    00033 #include <QWidget>
    00034 #include <QPaintEvent>
    00035 #include <QPainter>
    00036 #include <QRect>
    00037
    00038 #include "KDChartAbstractAreaBase.h"
    00039
    00040 namespace KDChart {
    00041
    00042
    00051 class KDCHART_EXPORT AbstractAreaWidget : public QWidget, public AbstractAreaBase
    00052 {
    00053     Q_OBJECT
    00054
    00055     Q_DISABLE_COPY( AbstractAreaWidget )
    00056     KDCHART_DECLARE_PRIVATE_DERIVED_QWIDGET( AbstractAreaWidget )
    00057
    00058 public:
    00059     explicit AbstractAreaWidget( QWidget* parent = 0 );
    00060
    00068     virtual void paintEvent( QPaintEvent* event );
    00069
    00076     virtual void paintIntoRect( QPainter& painter, const QRect& rect );
    00077
    00089     virtual void paint( QPainter* painter ) = 0;
    00090
    00095     void paintAll( QPainter& painter );
    00096
    00100     virtual void forceRebuild();
    00101
    00107     virtual void needSizeHint();
    00108     //virtual void setGeometry( const QRect & rect );
    00109     virtual void resizeLayout( const QSize& );
    00110
    00111 protected:
    00112     virtual ~AbstractAreaWidget() ;
    00113     virtual QRect areaGeometry() const;
    00114     virtual void positionHasChanged();
    00115
    00116
    00117 public:
    00118 //    virtual AbstractAreaWidget * clone() const = 0;
    00119
    00120 Q_SIGNALS:
    00121     void positionChanged( AbstractAreaWidget * );
    00122
    00123 }; // End of class AbstractAreaWidget
    00124
    00125 }
    00126 #endif // KDCHARTABSTRACTAREAWIDGET_H