| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt 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 <QtCharts/QChartGlobal> |
| #include <QtCharts/QChart> //because of QChart::ChartThemeId |
| #include <QtCharts/private/qchartglobal_p.h> |
| #include <private/glwidget_p.h> |
| #include <QtCore/QRectF> |
| #include <QtCore/QMargins> |
| #include <QtCore/QLocale> |
| #include <QtCore/QPointer> |
| #include <QtCore/QEasingCurve> |
| |
| 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 Q_CHARTS_PRIVATE_EXPORT 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, |
| CandlestickSeriesZValue = SeriesZValue, |
| LegendZValue, |
| TopMostZValue |
| }; |
| |
| enum State { |
| ShowState, |
| ScrollUpState, |
| ScrollDownState, |
| ScrollLeftState, |
| ScrollRightState, |
| ZoomInState, |
| ZoomOutState |
| }; |
| |
| ChartPresenter(QChart *chart, QChart::ChartType type); |
| virtual ~ChartPresenter(); |
| |
| bool isFixedGeometry() const { return !m_fixedRect.isNull(); } |
| void setFixedGeometry(const QRectF &rect); |
| void setGeometry(QRectF rect); |
| QRectF geometry() const; |
| void updateGeometry(const QRectF &rect); |
| |
| 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 setAnimationDuration(int msecs); |
| int animationDuration() const { return m_animationDuration; } |
| void setAnimationEasingCurve(const QEasingCurve &curve); |
| QEasingCurve animationEasingCurve() const { return m_animationCurve; } |
| |
| 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); |
| |
| void updateGLWidget(); |
| void glSetUseWidget(bool enable) { m_glUseWidget = enable; } |
| |
| 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); |
| |
| Q_SIGNALS: |
| void plotAreaChanged(const QRectF &plotArea); |
| |
| private: |
| QChart *m_chart; |
| QList<ChartItem *> m_chartItems; |
| QList<ChartAxisElement *> m_axisItems; |
| QList<QAbstractSeries *> m_series; |
| QList<QAbstractAxis *> m_axes; |
| QChart::AnimationOptions m_options; |
| int m_animationDuration; |
| QEasingCurve m_animationCurve; |
| 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; |
| #ifndef QT_NO_OPENGL |
| QPointer<GLWidget> m_glWidget; |
| #endif |
| bool m_glUseWidget; |
| QRectF m_fixedRect; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif /* CHARTPRESENTER_H */ |