abstractbarchartitem_p.h
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r1674 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial License Agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and Digia. | ||||
| ** | ||||
| ** If you have questions regarding the use of this file, please use | ||||
| ** contact form at http://qt.digia.com | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
| // W A R N I N G | ||||
| // ------------- | ||||
| // | ||||
| // This file is not part of the QtCommercial Chart API. It exists purely as an | ||||
| // implementation detail. This header file may change from version to | ||||
| // version without notice, or even be removed. | ||||
| // | ||||
| // We mean it. | ||||
| #ifndef ABSTRACTBARCHARTITEM_H | ||||
| #define ABSTRACTBARCHARTITEM_H | ||||
| #include "chartitem_p.h" | ||||
| #include "qabstractbarseries.h" | ||||
| #include <QPen> | ||||
| #include <QBrush> | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| class Bar; | ||||
| class QAxisCategories; | ||||
| class QChart; | ||||
| class AbstractBarAnimation; | ||||
| class AbstractBarChartItem : public ChartItem | ||||
| { | ||||
| Q_OBJECT | ||||
| public: | ||||
| AbstractBarChartItem(QAbstractBarSeries *series, ChartPresenter *presenter); | ||||
| virtual ~AbstractBarChartItem(); | ||||
| public: | ||||
| void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | ||||
| QRectF boundingRect() const; | ||||
| virtual QVector<QRectF> calculateLayout() = 0; | ||||
| virtual void applyLayout(const QVector<QRectF> &layout); | ||||
| virtual void setAnimation(AbstractBarAnimation* animation); | ||||
| void setLayout(const QVector<QRectF> &layout); | ||||
| void updateLayout(const QVector<QRectF> &layout); | ||||
| QRectF geometry() const { return m_rect;} | ||||
| public Q_SLOTS: | ||||
| void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY); | ||||
| void handleGeometryChanged(const QRectF &size); | ||||
| void handleLayoutChanged(); | ||||
| void handleLabelsVisibleChanged(bool visible); | ||||
| void handleDataStructureChanged(); // structure of of series has changed, recreate graphic items | ||||
| void handleVisibleChanged(); | ||||
| protected: | ||||
| qreal m_domainMinX; | ||||
| qreal m_domainMaxX; | ||||
| qreal m_domainMinY; | ||||
| qreal m_domainMaxY; | ||||
| QRectF m_rect; | ||||
| QVector<QRectF> m_layout; | ||||
| AbstractBarAnimation *m_animation; | ||||
| // Not owned. | ||||
| QAbstractBarSeries *m_series; | ||||
| QList<Bar *> m_bars; | ||||
| QList<QGraphicsSimpleTextItem *> m_labels; | ||||
| }; | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||
| #endif // ABSTRACTBARCHARTITEM_H | ||||