KDChartAbstractAreaWidget.h

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/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef KDCHARTABSTRACTAREAWIDGET_H
#define KDCHARTABSTRACTAREAWIDGET_H
 
#include <QPaintEvent>
#include <QPainter>
#include <QRect>
#include <QWidget>
 
#include "KDChartAbstractAreaBase.h"
 
namespace KDChart {
 
class KDCHART_EXPORT AbstractAreaWidget : public QWidget, public AbstractAreaBase
{
    Q_OBJECT
 
    Q_DISABLE_COPY(AbstractAreaWidget)
    KDCHART_DECLARE_PRIVATE_DERIVED_QWIDGET(AbstractAreaWidget)
 
public:
    explicit AbstractAreaWidget(QWidget *parent = nullptr);
 
    void paintEvent(QPaintEvent *event) override;
 
    virtual void paintIntoRect(QPainter &painter, const QRect &rect);
 
    virtual void paint(QPainter *painter) = 0;
 
    void paintAll(QPainter &painter);
 
    virtual void forceRebuild();
 
    virtual void needSizeHint();
    virtual void resizeLayout(const QSize &);
 
Q_SIGNALS:
    void positionChanged(AbstractAreaWidget *);
 
protected:
    ~AbstractAreaWidget() override;
    QRect areaGeometry() const override;
    void positionHasChanged() override;
};
}
#endif // KDCHARTABSTRACTAREAWIDGET_H