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/* -*- Mode: C++ -*-
KDChart - a multi-platform charting engine
*/
/****************************************************************************
** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDChart library.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid commercial KDChart licenses may use this file in
** accordance with the KDChart Commercial License Agreement provided with
** the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.klaralvdalens-datakonsult.se/?page=products for
** information about KDChart Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
**********************************************************************/
#ifndef __KDCHARTWIDGET_H__
#define __KDCHARTWIDGET_H__
#include <KDChartGlobal.h>
#include <KDChartTable.h>
#include <KDChartDataRegion.h>
#include <qwidget.h>
#include <qscrollview.h>
#include <qpixmap.h>
/**
\file KDChartWidget.h
\brief Provids the entry point into the charting that most
people will want to use.
*/
class KDChartParams;
class KDCHART_EXPORT KDChartWidget : public QWidget
{
Q_OBJECT
Q_PROPERTY( bool activeData READ isActiveData WRITE setActiveData )
Q_PROPERTY( bool doubleBuffered READ isDoubleBuffered WRITE setDoubleBuffered )
public:
KDChartWidget( QWidget* parent = 0, const char* name = 0 );
KDChartWidget( KDChartParams* params,
KDChartTableDataBase* data,
QWidget* parent = 0, const char* name = 0 );
~KDChartWidget();
public slots:
bool isActiveData() const;
bool isDoubleBuffered() const;
KDChartParams* params() const;
KDChartTableDataBase* data() const;
const KDChartDataRegionList* dataRegions() const { return &_dataRegions; }
void setActiveData( bool active );
void setDoubleBuffered( bool doublebuffered );
void setParams( KDChartParams* params );
void setData( KDChartTableDataBase* data );
// use this method to paint to low resolution devices
void paintTo( QPainter& painter,
const QRect* rect = 0 );
// use this method to paint to high res devices like printers...
void print( QPainter& painter,
const QRect* rect = 0 );
signals:
void dataLeftClicked( uint row, uint col );
void dataLeftClicked( const QPoint & pnt );
void dataMiddleClicked( uint row, uint col );
void dataMiddleClicked( const QPoint & pnt );
void dataRightClicked( uint row, uint col );
void dataRightClicked( const QPoint & pnt );
void dataLeftPressed( uint row, uint col );
void dataLeftPressed( const QPoint & pnt );
void dataMiddlePressed( uint row, uint col );
void dataMiddlePressed( const QPoint & pnt );
void dataRightPressed( uint row, uint col );
void dataRightPressed( const QPoint & pnt );
void dataLeftReleased( uint row, uint col );
void dataLeftReleased( const QPoint & pnt );
void dataMiddleReleased( uint row, uint col );
void dataMiddleReleased( const QPoint & pnt );
void dataRightReleased( uint row, uint col );
void dataRightReleased( const QPoint & pnt );
void barsDisplayed( int barsDisplayed, int barsLeft );
protected:
virtual void paintEvent( QPaintEvent* event );
virtual void mousePressEvent( QMouseEvent* event );
virtual void mouseReleaseEvent( QMouseEvent* event );
virtual void resizeEvent( QResizeEvent* event );
private:
KDChartParams* _params;
KDChartTableDataBase* _data;
bool _activeData;
bool _doubleBuffered;
QPixmap _buffer;
KDChartDataRegion* _mousePressedOnRegion;
KDChartDataRegionList _dataRegions;
};
#endif
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