abstractbarchartitem_p.h
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r2845 | /****************************************************************************** | ||
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r1674 | ** | ||
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r2845 | ** Copyright (C) 2015 The Qt Company Ltd. | ||
** Contact: http://www.qt.io/licensing/ | ||||
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r1674 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r1674 | ** | ||
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r2845 | ** $QT_BEGIN_LICENSE:COMM$ | ||
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r1674 | ** | ||
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r2845 | ** Commercial License Usage | ||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see http://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at http://www.qt.io/contact-us. | ||||
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r1674 | ** | ||
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r2845 | ** $QT_END_LICENSE$ | ||
** | ||||
******************************************************************************/ | ||||
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r1674 | |||
// W A R N I N G | ||||
// ------------- | ||||
// | ||||
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r2807 | // This file is not part of the Qt Chart API. It exists purely as an | ||
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r1674 | // 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 | ||||
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r2714 | #include <private/chartitem_p.h> | ||
#include <QtCharts/QAbstractBarSeries> | ||||
#include <QtGui/QPen> | ||||
#include <QtGui/QBrush> | ||||
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r1674 | |||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r1674 | |||
class Bar; | ||||
class QAxisCategories; | ||||
class QChart; | ||||
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r2316 | class BarAnimation; | ||
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r1674 | |||
class AbstractBarChartItem : public ChartItem | ||||
{ | ||||
Q_OBJECT | ||||
public: | ||||
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r2273 | AbstractBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0); | ||
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r1674 | virtual ~AbstractBarChartItem(); | ||
public: | ||||
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | ||||
QRectF boundingRect() const; | ||||
virtual QVector<QRectF> calculateLayout() = 0; | ||||
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r2316 | virtual void initializeLayout() = 0; | ||
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r1674 | virtual void applyLayout(const QVector<QRectF> &layout); | ||
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r2316 | virtual void setAnimation(BarAnimation *animation); | ||
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r1674 | void setLayout(const QVector<QRectF> &layout); | ||
void updateLayout(const QVector<QRectF> &layout); | ||||
QRectF geometry() const { return m_rect;} | ||||
public Q_SLOTS: | ||||
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r1698 | void handleDomainUpdated(); | ||
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r1674 | void handleLayoutChanged(); | ||
void handleLabelsVisibleChanged(bool visible); | ||||
void handleDataStructureChanged(); // structure of of series has changed, recreate graphic items | ||||
void handleVisibleChanged(); | ||||
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r2067 | void handleOpacityChanged(); | ||
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r2305 | virtual void handleUpdatedBars(); | ||
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r2689 | void handleLabelsPositionChanged(); | ||
virtual void positionLabels(); | ||||
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r1674 | |||
protected: | ||||
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r2802 | void positionLabelsVertical(); | ||
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r1674 | |||
qreal m_domainMinX; | ||||
qreal m_domainMaxX; | ||||
qreal m_domainMinY; | ||||
qreal m_domainMaxY; | ||||
QRectF m_rect; | ||||
QVector<QRectF> m_layout; | ||||
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r2316 | BarAnimation *m_animation; | ||
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r1674 | |||
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r1794 | QAbstractBarSeries *m_series; // Not owned. | ||
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r1674 | QList<Bar *> m_bars; | ||
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r2539 | QList<QGraphicsTextItem *> m_labels; | ||
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r2316 | QSizeF m_oldSize; | ||
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r1674 | }; | ||
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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r1674 | |||
#endif // ABSTRACTBARCHARTITEM_H | ||||