KD Chart 2 [rev.2.4]
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00001 /**************************************************************************** 00002 ** Copyright (C) 2001-2012 Klaralvdalens Datakonsult AB. All rights reserved. 00003 ** 00004 ** This file is part of the KD Chart library. 00005 ** 00006 ** Licensees holding valid commercial KD Chart licenses may use this file in 00007 ** accordance with the KD Chart Commercial License Agreement provided with 00008 ** the Software. 00009 ** 00010 ** 00011 ** This file may be distributed and/or modified under the terms of the 00012 ** GNU General Public License version 2 and version 3 as published by the 00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included. 00014 ** 00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE 00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 00017 ** 00018 ** Contact info@kdab.com if any conditions of this licensing are not 00019 ** clear to you. 00020 ** 00021 **********************************************************************/ 00022 00023 #ifndef KDCHARTABSTRACTAREAWIDGET_H 00024 #define KDCHARTABSTRACTAREAWIDGET_H 00025 00026 #include <QWidget> 00027 #include <QPaintEvent> 00028 #include <QPainter> 00029 #include <QRect> 00030 00031 #include "KDChartAbstractAreaBase.h" 00032 00033 namespace KDChart { 00034 00035 00044 class KDCHART_EXPORT AbstractAreaWidget : public QWidget, public AbstractAreaBase 00045 { 00046 Q_OBJECT 00047 00048 Q_DISABLE_COPY( AbstractAreaWidget ) 00049 KDCHART_DECLARE_PRIVATE_DERIVED_QWIDGET( AbstractAreaWidget ) 00050 00051 public: 00052 explicit AbstractAreaWidget( QWidget* parent = 0 ); 00053 00061 virtual void paintEvent( QPaintEvent* event ); 00062 00069 virtual void paintIntoRect( QPainter& painter, const QRect& rect ); 00070 00082 virtual void paint( QPainter* painter ) = 0; 00083 00088 void paintAll( QPainter& painter ); 00089 00093 virtual void forceRebuild(); 00094 00100 virtual void needSizeHint(); 00101 //virtual void setGeometry( const QRect & rect ); 00102 virtual void resizeLayout( const QSize& ); 00103 00104 protected: 00105 virtual ~AbstractAreaWidget() ; 00106 virtual QRect areaGeometry() const; 00107 virtual void positionHasChanged(); 00108 00109 00110 public: 00111 // virtual AbstractAreaWidget * clone() const = 0; 00112 00113 Q_SIGNALS: 00114 void positionChanged( AbstractAreaWidget * ); 00115 00116 }; // End of class AbstractAreaWidget 00117 00118 } 00119 #endif // KDCHARTABSTRACTAREAWIDGET_H