chartpresenter_p.h
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r0 | /**************************************************************************** | ||
** | ||||
** 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 <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 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 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 ensureGLWidget(); | ||||
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; | ||||
}; | ||||
QT_CHARTS_END_NAMESPACE | ||||
#endif /* CHARTPRESENTER_H */ | ||||