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Diffstat (limited to 'src/charts/chartpresenter_p.h')
| -rw-r--r-- | src/charts/chartpresenter_p.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/charts/chartpresenter_p.h b/src/charts/chartpresenter_p.h new file mode 100644 index 00000000..85f1b1bb --- /dev/null +++ b/src/charts/chartpresenter_p.h @@ -0,0 +1,192 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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 Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise 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 Qt Enterprise 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 CHARTPRESENTER_H +#define CHARTPRESENTER_H + +#include "qchartglobal.h" +#include "qchart.h" //because of QChart::ChartThemeId +#include <QRectF> +#include <QMargins> +#include <QLocale> + +QT_CHARTS_BEGIN_NAMESPACE + +class ChartItem; +class AxisItem; +class QAbstractSeries; +class ChartDataSet; +class AbstractDomain; +class ChartAxisElement; +class ChartAnimator; +class ChartBackground; +class ChartTitle; +class ChartAnimation; +class AbstractChartLayout; + +class ChartPresenter: public QObject +{ + Q_OBJECT +public: + enum ZValues { + BackgroundZValue = -1, + PlotAreaZValue, + ShadesZValue, + GridZValue, + AxisZValue, + SeriesZValue, + LineChartZValue = SeriesZValue, + SplineChartZValue = SeriesZValue, + BarSeriesZValue = SeriesZValue, + ScatterSeriesZValue = SeriesZValue, + PieSeriesZValue = SeriesZValue, + BoxPlotSeriesZValue = SeriesZValue, + LegendZValue, + TopMostZValue + }; + + enum State { + ShowState, + ScrollUpState, + ScrollDownState, + ScrollLeftState, + ScrollRightState, + ZoomInState, + ZoomOutState + }; + + ChartPresenter(QChart *chart, QChart::ChartType type); + virtual ~ChartPresenter(); + + + void setGeometry(QRectF rect); + QRectF geometry() const; + + QGraphicsItem *rootItem(){ return m_chart; } + ChartBackground *backgroundElement(); + QAbstractGraphicsShapeItem *plotAreaElement(); + ChartTitle *titleElement(); + QList<ChartAxisElement *> axisItems() const; + QList<ChartItem *> chartItems() const; + + QLegend *legend(); + + void setBackgroundBrush(const QBrush &brush); + QBrush backgroundBrush() const; + + void setBackgroundPen(const QPen &pen); + QPen backgroundPen() const; + + void setBackgroundRoundness(qreal diameter); + qreal backgroundRoundness() const; + + void setPlotAreaBackgroundBrush(const QBrush &brush); + QBrush plotAreaBackgroundBrush() const; + + void setPlotAreaBackgroundPen(const QPen &pen); + QPen plotAreaBackgroundPen() const; + + void setTitle(const QString &title); + QString title() const; + + void setTitleFont(const QFont &font); + QFont titleFont() const; + + void setTitleBrush(const QBrush &brush); + QBrush titleBrush() const; + + void setBackgroundVisible(bool visible); + bool isBackgroundVisible() const; + + void setPlotAreaBackgroundVisible(bool visible); + bool isPlotAreaBackgroundVisible() const; + + void setBackgroundDropShadowEnabled(bool enabled); + bool isBackgroundDropShadowEnabled() const; + + void setLocalizeNumbers(bool localize); + inline bool localizeNumbers() const { return m_localizeNumbers; } + void setLocale(const QLocale &locale); + inline const QLocale &locale() const { return m_locale; } + + void setVisible(bool visible); + + void setAnimationOptions(QChart::AnimationOptions options); + QChart::AnimationOptions animationOptions() const; + + void startAnimation(ChartAnimation *animation); + + void setState(State state,QPointF point); + State state() const { return m_state; } + QPointF statePoint() const { return m_statePoint; } + AbstractChartLayout *layout(); + + QChart::ChartType chartType() const { return m_chart->chartType(); } + QChart *chart() { return m_chart; } + + static QRectF textBoundingRect(const QFont &font, const QString &text, qreal angle = 0.0); + static QString truncatedText(const QFont &font, const QString &text, qreal angle, + qreal maxWidth, qreal maxHeight, QRectF &boundingRect); + inline static qreal textMargin() { return qreal(0.5); } + + QString numberToString(double value, char f = 'g', int prec = 6); + QString numberToString(int value); + +private: + void createBackgroundItem(); + void createPlotAreaBackgroundItem(); + void createTitleItem(); + +public Q_SLOTS: + void handleSeriesAdded(QAbstractSeries *series); + void handleSeriesRemoved(QAbstractSeries *series); + void handleAxisAdded(QAbstractAxis *axis); + void handleAxisRemoved(QAbstractAxis *axis); + +private: + QChart *m_chart; + QList<ChartItem *> m_chartItems; + QList<ChartAxisElement *> m_axisItems; + QList<QAbstractSeries *> m_series; + QList<QAbstractAxis *> m_axes; + QChart::AnimationOptions m_options; + State m_state; + QPointF m_statePoint; + AbstractChartLayout *m_layout; + ChartBackground *m_background; + QAbstractGraphicsShapeItem *m_plotAreaBackground; + ChartTitle *m_title; + QRectF m_rect; + bool m_localizeNumbers; + QLocale m_locale; +}; + +QT_CHARTS_END_NAMESPACE + +#endif /* CHARTPRESENTER_H */ |