qxyseries.cpp
863 lines
| 22.4 KiB
| text/x-c
|
CppLexer
Jani Honkonen
|
r794 | /**************************************************************************** | ||
| ** | ||||
Titta Heikkala
|
r2776 | ** Copyright (C) 2015 The Qt Company Ltd | ||
|
Jani Honkonen
|
r794 | ** All rights reserved. | ||
|
Titta Heikkala
|
r2776 | ** For any questions to The Qt Company, please use contact form at http://qt.io | ||
|
Jani Honkonen
|
r794 | ** | ||
|
Titta Heikkala
|
r2740 | ** This file is part of the Qt Charts module. | ||
|
Jani Honkonen
|
r794 | ** | ||
|
Titta Heikkala
|
r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
| ** accordance with the Qt License Agreement provided with the Software | ||||
| ** or, alternatively, in accordance with the terms contained in a written | ||||
|
Titta Heikkala
|
r2776 | ** agreement between you and The Qt Company. | ||
|
Jani Honkonen
|
r794 | ** | ||
| ** If you have questions regarding the use of this file, please use | ||||
|
Titta Heikkala
|
r2740 | ** contact form at http://qt.io | ||
|
Jani Honkonen
|
r794 | ** | ||
| ****************************************************************************/ | ||||
|
Titta Heikkala
|
r2714 | #include <QtCharts/QXYSeries> | ||
| #include <private/qxyseries_p.h> | ||||
| #include <private/abstractdomain_p.h> | ||||
| #include <QtCharts/QValueAxis> | ||||
| #include <private/xychart_p.h> | ||||
| #include <QtCharts/QXYLegendMarker> | ||||
| #include <private/charthelpers_p.h> | ||||
| #include <private/qchart_p.h> | ||||
| #include <QtGui/QPainter> | ||||
sauimone
|
r2175 | |||
Titta Heikkala
|
r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
Michal Klocek
|
r466 | |||
| /*! | ||||
| \class QXYSeries | ||||
|
Titta Heikkala
|
r2639 | \inmodule Qt Charts | ||
|
Michal Klocek
|
r470 | \brief The QXYSeries class is a base class for line, spline and scatter series. | ||
|
Michal Klocek
|
r466 | */ | ||
Tero Ahola
|
r1491 | /*! | ||
|
Titta Heikkala
|
r2639 | \qmltype XYSeries | ||
| \instantiates QXYSeries | ||||
|
Titta Heikkala
|
r2712 | \inqmlmodule QtCharts | ||
|
Tero Ahola
|
r1491 | |||
|
Titta Heikkala
|
r2712 | \inherits AbstractSeries | ||
| \brief The XYSeries type is a base type for line, spline and scatter series. | ||||
|
Titta Heikkala
|
r2639 | |||
|
Titta Heikkala
|
r2712 | The XYSeries class is a base class for line, spline and scatter series. | ||
| The class cannot be instantiated directly. | ||||
|
Titta Heikkala
|
r2639 | */ | ||
|
Michal Klocek
|
r466 | |||
|
Tero Ahola
|
r2331 | /*! | ||
| \qmlproperty AbstractAxis XYSeries::axisX | ||||
| The x axis used for the series. If you leave both axisX and axisXTop undefined, a ValueAxis is created for | ||||
| the series. | ||||
| \sa axisXTop | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty AbstractAxis XYSeries::axisY | ||||
| The y axis used for the series. If you leave both axisY and axisYRight undefined, a ValueAxis is created for | ||||
| the series. | ||||
| \sa axisYRight | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty AbstractAxis XYSeries::axisXTop | ||||
| The x axis used for the series, drawn on top of the chart view. Note that you can only provide either axisX or | ||||
| axisXTop, but not both. | ||||
| \sa axisX | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty AbstractAxis XYSeries::axisYRight | ||||
| The y axis used for the series, drawn to the right on the chart view. Note that you can only provide either axisY | ||||
| or axisYRight, but not both. | ||||
| \sa axisY | ||||
| */ | ||||
Miikka Heikkinen
|
r2483 | /*! | ||
| \qmlproperty AbstractAxis XYSeries::axisAngular | ||||
| The angular axis used for the series, drawn around the polar chart view. | ||||
| \sa axisX | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty AbstractAxis XYSeries::axisRadial | ||||
| The radial axis used for the series, drawn inside the polar chart view. | ||||
| \sa axisY | ||||
| */ | ||||
|
Jani Honkonen
|
r1336 | /*! | ||
| \property QXYSeries::pointsVisible | ||||
|
Tero Ahola
|
r1491 | Controls if the data points are visible and should be drawn. | ||
| */ | ||||
| /*! | ||||
| \qmlproperty bool XYSeries::pointsVisible | ||||
|
Jani Honkonen
|
r1336 | Controls if the data points are visible and should be drawn. | ||
| */ | ||||
|
Michal Klocek
|
r466 | /*! | ||
| \fn QPen QXYSeries::pen() const | ||||
|
Michal Klocek
|
r480 | \brief Returns pen used to draw points for series. | ||
|
Michal Klocek
|
r466 | \sa setPen() | ||
| */ | ||||
|
Michal Klocek
|
r480 | /*! | ||
| \fn QBrush QXYSeries::brush() const | ||||
| \brief Returns brush used to draw points for series. | ||||
| \sa setBrush() | ||||
| */ | ||||
|
Tero Ahola
|
r1481 | /*! | ||
| \property QXYSeries::color | ||||
|
Tero Ahola
|
r1491 | The color of the series. This is line (pen) color in case of QLineSeries or QSplineSeries and | ||
| fill (brush) color in case of QScatterSeries or QAreaSeries. | ||||
| \sa QXYSeries::pen(), QXYSeries::brush() | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty color XYSeries::color | ||||
| The color of the series. This is line (pen) color in case of LineSeries or SplineSeries and | ||||
| fill (brush) color in case of ScatterSeries or AreaSeries. | ||||
|
Tero Ahola
|
r1481 | */ | ||
|
Titta Heikkala
|
r2689 | /*! | ||
| \property QXYSeries::pointLabelsFormat | ||||
| The \a format used for showing labels with series points. | ||||
| QXYSeries supports the following format tags: | ||||
| \table | ||||
| \row | ||||
| \li @xPoint \li The x value of the data point | ||||
| \row | ||||
| \li @yPoint \li The y value of the data point | ||||
| \endtable | ||||
| For example, the following usage of the format tags would produce labels that have the data | ||||
| point (x, y) shown inside brackets separated by a comma: | ||||
| \code | ||||
| series->setPointLabelsFormat("(@xPoint, @yPoint)"); | ||||
| \endcode | ||||
| By default, the labels format is set to '@xPoint, @yPoint'. The labels are shown on the plot | ||||
| area, labels on the edge of the plot area are cut. If the points are close to each other the | ||||
| labels may overlap. | ||||
| \sa QXYSeries::pointLabelsVisible, QXYSeries::pointLabelsFont, QXYSeries::pointLabelsColor | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty string XYSeries::pointLabelsFormat | ||||
| The \a format used for showing labels with series points. | ||||
| \sa QXYSeries::pointLabelsFormat, pointLabelsVisible, pointLabelsFont, pointLabelsColor | ||||
| */ | ||||
| /*! | ||||
| \fn void QXYSeries::pointLabelsFormatChanged(const QString &format) | ||||
| Signal is emitted when the \a format of data point labels is changed. | ||||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onPointLabelsFormatChanged(string format) | ||||
| Signal is emitted when the \a format of data point labels is changed. | ||||
| */ | ||||
| /*! | ||||
| \property QXYSeries::pointLabelsVisible | ||||
| Defines the visibility for data point labels. False by default. | ||||
| \sa QXYSeries::pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty bool XYSeries::pointLabelsVisible | ||||
| Defines the visibility for data point labels. | ||||
| \sa pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \fn void QXYSeries::pointLabelsVisibilityChanged(bool visible) | ||||
| The visibility of the data point labels is changed to \a visible. | ||||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onPointLabelsVisibilityChanged(bool visible) | ||||
| The visibility of the data point labels is changed to \a visible. | ||||
| */ | ||||
| /*! | ||||
| \property QXYSeries::pointLabelsFont | ||||
| Defines the font used for data point labels. | ||||
| \sa QXYSeries::pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty font XYSeries::pointLabelsFont | ||||
| Defines the font used for data point labels. | ||||
| \sa pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \fn void QXYSeries::pointLabelsFontChanged(const QFont &font); | ||||
| The font used for data point labels is changed to \a font. | ||||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onPointLabelsFontChanged(Font font) | ||||
| The font used for data point labels is changed to \a font. | ||||
| */ | ||||
| /*! | ||||
| \property QXYSeries::pointLabelsColor | ||||
| Defines the color used for data point labels. By default, the color is the color of the brush | ||||
| defined in theme for labels. | ||||
| \sa QXYSeries::pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \qmlproperty font XYSeries::pointLabelsColor | ||||
| Defines the color used for data point labels. By default, the color is the color of the brush | ||||
| defined in theme for labels. | ||||
| \sa pointLabelsFormat | ||||
| */ | ||||
| /*! | ||||
| \fn void QXYSeries::pointLabelsColorChanged(const QColor &color); | ||||
| The color used for data point labels is changed to \a color. | ||||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onPointLabelsColorChanged(Color color) | ||||
| The color used for data point labels is changed to \a color. | ||||
| */ | ||||
|
Michal Klocek
|
r574 | /*! | ||
| \fn void QXYSeries::clicked(const QPointF& point) | ||||
|
Titta Heikkala
|
r2746 | \brief Signal is emitted when user clicks the \a point on chart. The \a point is the point | ||
| where the press was triggered. | ||||
| \sa pressed, released, doubleClicked | ||||
|
Michal Klocek
|
r574 | */ | ||
|
Tero Ahola
|
r1491 | /*! | ||
| \qmlsignal XYSeries::onClicked(QPointF point) | ||||
|
Titta Heikkala
|
r2746 | Signal is emitted when user clicks the \a point on chart. The \a point is the point where the | ||
| press was triggered. For example: | ||||
|
Tero Ahola
|
r1491 | \code | ||
| LineSeries { | ||||
|
Tero Ahola
|
r1532 | XYPoint { x: 0; y: 0 } | ||
| XYPoint { x: 1.1; y: 2.1 } | ||||
|
Tero Ahola
|
r1491 | onClicked: console.log("onClicked: " + point.x + ", " + point.y); | ||
| } | ||||
| \endcode | ||||
|
Titta Heikkala
|
r2746 | \sa onPressed, onReleased, onDoubleClicked | ||
|
Tero Ahola
|
r1491 | */ | ||
|
Michal Klocek
|
r574 | |||
|
Tero Ahola
|
r2362 | /*! | ||
| \fn void QXYSeries::hovered(const QPointF &point, bool state) | ||||
| This signal is emitted when user has hovered over or away from the series. \a point shows the origin (coordinate) | ||||
| of the hover event. \a state is true when user has hovered over the series and false when hover has moved away from | ||||
| the series. | ||||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onHovered(point point, bool state) | ||||
| This signal is emitted when user has hovered over or away from the series. \a point shows the origin (coordinate) | ||||
| of the hover event. \a state is true when user has hovered over the series and false when hover has moved away from | ||||
| the series. | ||||
| */ | ||||
|
Titta Heikkala
|
r2739 | /*! | ||
| \fn void QXYSeries::pressed(const QPointF& point) | ||||
| \brief Signal is emitted when user presses the \a point on chart. | ||||
|
Titta Heikkala
|
r2746 | \sa clicked, released, doubleClicked | ||
|
Titta Heikkala
|
r2739 | */ | ||
| /*! | ||||
| \qmlsignal XYSeries::onPressed(QPointF point) | ||||
| Signal is emitted when user presses the \a point on chart. For example: | ||||
| \code | ||||
| LineSeries { | ||||
| XYPoint { x: 0; y: 0 } | ||||
| XYPoint { x: 1.1; y: 2.1 } | ||||
| onPressed: console.log("onPressed: " + point.x + ", " + point.y); | ||||
| } | ||||
| \endcode | ||||
|
Titta Heikkala
|
r2746 | \sa onClicked, onReleased, onDoubleClicked | ||
|
Titta Heikkala
|
r2739 | */ | ||
| /*! | ||||
| \fn void QXYSeries::released(const QPointF& point) | ||||
|
Titta Heikkala
|
r2746 | \brief Signal is emitted when user releases a press that was triggered on a \a point on chart. | ||
| \sa pressed, clicked, doubleClicked | ||||
|
Titta Heikkala
|
r2739 | */ | ||
| /*! | ||||
| \qmlsignal XYSeries::onReleased(QPointF point) | ||||
|
Titta Heikkala
|
r2746 | Signal is emitted when user releases a press that was triggered on a \a point on chart. | ||
| For example: | ||||
|
Titta Heikkala
|
r2739 | \code | ||
| LineSeries { | ||||
| XYPoint { x: 0; y: 0 } | ||||
| XYPoint { x: 1.1; y: 2.1 } | ||||
| onReleased: console.log("onReleased: " + point.x + ", " + point.y); | ||||
| } | ||||
| \endcode | ||||
|
Titta Heikkala
|
r2746 | \sa onPressed, onClicked, onDoubleClicked | ||
|
Titta Heikkala
|
r2739 | */ | ||
| /*! | ||||
| \fn void QXYSeries::doubleClicked(const QPointF& point) | ||||
|
Titta Heikkala
|
r2746 | \brief Signal is emitted when user doubleclicks the \a point on chart. The \a point is the | ||
| point where the first press was triggered. | ||||
| \sa pressed, released, clicked | ||||
|
Titta Heikkala
|
r2739 | */ | ||
| /*! | ||||
| \qmlsignal XYSeries::onDoubleClicked(QPointF point) | ||||
|
Titta Heikkala
|
r2746 | Signal is emitted when user doubleclicks the \a point on chart. The \a point is the point where | ||
| the first press was triggered. For example: | ||||
|
Titta Heikkala
|
r2739 | \code | ||
| LineSeries { | ||||
| XYPoint { x: 0; y: 0 } | ||||
| XYPoint { x: 1.1; y: 2.1 } | ||||
| onDoubleClicked: console.log("onDoubleClicked: " + point.x + ", " + point.y); | ||||
| } | ||||
| \endcode | ||||
|
Titta Heikkala
|
r2746 | \sa onPressed, onReleased, onClicked | ||
|
Titta Heikkala
|
r2739 | */ | ||
|
Michal Klocek
|
r466 | /*! | ||
|
Jani Honkonen
|
r1336 | \fn void QXYSeries::pointReplaced(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been replaced at \a index. | ||
|
Jani Honkonen
|
r1336 | \sa replace() | ||
|
Michal Klocek
|
r466 | */ | ||
|
Tero Ahola
|
r1491 | /*! | ||
|
Tero Ahola
|
r1531 | \qmlsignal XYSeries::onPointReplaced(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been replaced at \a index. | ||
| */ | ||||
|
Michal Klocek
|
r466 | |||
|
Tero Ahola
|
r1783 | /*! | ||
| \fn void QXYSeries::pointsReplaced() | ||||
|
Miikka Heikkinen
|
r2494 | Signal is emitted when all points have been replaced with other points. | ||
|
Tero Ahola
|
r1783 | \sa replace() | ||
| */ | ||||
| /*! | ||||
| \qmlsignal XYSeries::onPointsReplaced() | ||||
Caroline Chao
|
r2770 | Signal is emitted when all points have been replaced with other points. | ||
|
Tero Ahola
|
r1783 | */ | ||
|
Michal Klocek
|
r466 | /*! | ||
|
Jani Honkonen
|
r1336 | \fn void QXYSeries::pointAdded(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been added at \a index. | ||
|
Jani Honkonen
|
r1336 | \sa append(), insert() | ||
|
Michal Klocek
|
r466 | */ | ||
|
Tero Ahola
|
r1491 | /*! | ||
|
Tero Ahola
|
r1531 | \qmlsignal XYSeries::onPointAdded(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been added at \a index. | ||
| */ | ||||
|
Michal Klocek
|
r466 | |||
| /*! | ||||
|
Jani Honkonen
|
r1336 | \fn void QXYSeries::pointRemoved(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been removed from \a index. | ||
|
Jani Honkonen
|
r1336 | \sa remove() | ||
|
Michal Klocek
|
r466 | */ | ||
|
Titta Heikkala
|
r2739 | |||
|
Tero Ahola
|
r1491 | /*! | ||
|
Tero Ahola
|
r1531 | \qmlsignal XYSeries::onPointRemoved(int index) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when a point has been removed from \a index. | ||
| */ | ||||
|
Michal Klocek
|
r466 | |||
|
Tero Ahola
|
r1465 | /*! | ||
|
Tero Ahola
|
r1481 | \fn void QXYSeries::colorChanged(QColor color) | ||
| \brief Signal is emitted when the line (pen) color has changed to \a color. | ||||
|
Tero Ahola
|
r1465 | */ | ||
|
Tero Ahola
|
r1491 | /*! | ||
|
Tero Ahola
|
r1531 | \qmlsignal XYSeries::onColorChanged(color color) | ||
|
Tero Ahola
|
r1491 | Signal is emitted when the line (pen) color has changed to \a color. | ||
| */ | ||||
|
Tero Ahola
|
r1465 | |||
|
Michal Klocek
|
r466 | /*! | ||
Marek Rosa
|
r940 | \fn void QXYSeriesPrivate::updated() | ||
|
Michal Klocek
|
r466 | \brief \internal | ||
| */ | ||||
|
Tero Ahola
|
r1491 | /*! | ||
|
Tero Ahola
|
r1521 | \qmlmethod XYSeries::append(real x, real y) | ||
| Append point (\a x, \a y) to the series | ||||
| */ | ||||
| /*! | ||||
| \qmlmethod XYSeries::replace(real oldX, real oldY, real newX, real newY) | ||||
| Replaces point (\a oldX, \a oldY) with point (\a newX, \a newY). Does nothing, if point (oldX, oldY) does not | ||||
| exist. | ||||
| */ | ||||
| /*! | ||||
| \qmlmethod XYSeries::remove(real x, real y) | ||||
| Removes point (\a x, \a y) from the series. Does nothing, if point (x, y) does not exist. | ||||
| */ | ||||
| /*! | ||||
| \qmlmethod XYSeries::insert(int index, real x, real y) | ||||
| Inserts point (\a x, \a y) to the \a index. If index is 0 or smaller than 0 the point is prepended to the list of | ||||
| points. If index is the same as or bigger than count, the point is appended to the list of points. | ||||
| */ | ||||
| /*! | ||||
| \qmlmethod QPointF XYSeries::at(int index) | ||||
| Returns point at \a index. Returns (0, 0) if the index is not valid. | ||||
|
Tero Ahola
|
r1491 | */ | ||
|
Michal Klocek
|
r466 | /*! | ||
|
Tero Ahola
|
r973 | \internal | ||
|
Michal Klocek
|
r466 | Constructs empty series object which is a child of \a parent. | ||
|
Miikka Heikkinen
|
r2494 | When series object is added to QChart instance ownerships is transferred. | ||
|
Michal Klocek
|
r466 | */ | ||
|
Jani Honkonen
|
r2097 | QXYSeries::QXYSeries(QXYSeriesPrivate &d, QObject *parent) | ||
| : QAbstractSeries(d, parent) | ||||
|
Michal Klocek
|
r938 | { | ||
|
Michal Klocek
|
r466 | } | ||
|
Tero Ahola
|
r1342 | |||
|
Michal Klocek
|
r466 | /*! | ||
|
Miikka Heikkinen
|
r2494 | Destroys the object. Series added to QChart instances are owned by those, | ||
| and are destroyed when QChart instances are destroyed. | ||||
|
Michal Klocek
|
r466 | */ | ||
| QXYSeries::~QXYSeries() | ||||
| { | ||||
| } | ||||
| /*! | ||||
|
Miikka Heikkinen
|
r2494 | Adds data point (\a x, \a y) to the series. | ||
|
Michal Klocek
|
r466 | */ | ||
|
Jani Honkonen
|
r2097 | void QXYSeries::append(qreal x, qreal y) | ||
|
Michal Klocek
|
r466 | { | ||
|
Jani Honkonen
|
r2097 | append(QPointF(x, y)); | ||
|
Michal Klocek
|
r466 | } | ||
| /*! | ||||
| This is an overloaded function. | ||||
|
Miikka Heikkinen
|
r2494 | Adds data \a point to the series. | ||
|
Michal Klocek
|
r466 | */ | ||
|
Jani Honkonen
|
r796 | void QXYSeries::append(const QPointF &point) | ||
|
Michal Klocek
|
r466 | { | ||
|
Michal Klocek
|
r1057 | Q_D(QXYSeries); | ||
Mika Salmela
|
r2424 | |||
| if (isValidValue(point)) { | ||||
| d->m_points << point; | ||||
| emit pointAdded(d->m_points.count() - 1); | ||||
| } | ||||
|
Michal Klocek
|
r466 | } | ||
|
Michal Klocek
|
r481 | /*! | ||
| This is an overloaded function. | ||||
|
Miikka Heikkinen
|
r2494 | Adds list of data \a points to the series. | ||
|
Michal Klocek
|
r481 | */ | ||
|
Michal Klocek
|
r1057 | void QXYSeries::append(const QList<QPointF> &points) | ||
|
Michal Klocek
|
r481 | { | ||
|
Jani Honkonen
|
r2097 | foreach (const QPointF &point , points) | ||
|
Michal Klocek
|
r1057 | append(point); | ||
|
Michal Klocek
|
r481 | } | ||
|
Jani Honkonen
|
r1336 | /*! | ||
|
Miikka Heikkinen
|
r2494 | Replaces data point (\a oldX, \a oldY) with data point (\a newX, \a newY). | ||
|
Tero Ahola
|
r1783 | \sa QXYSeries::pointReplaced() | ||
|
Jani Honkonen
|
r1336 | */ | ||
|
Jani Honkonen
|
r2097 | void QXYSeries::replace(qreal oldX, qreal oldY, qreal newX, qreal newY) | ||
|
Michal Klocek
|
r466 | { | ||
|
Jani Honkonen
|
r2097 | replace(QPointF(oldX, oldY), QPointF(newX, newY)); | ||
|
Michal Klocek
|
r466 | } | ||
|
Jani Honkonen
|
r1336 | /*! | ||
| Replaces \a oldPoint with \a newPoint. | ||||
|
Tero Ahola
|
r1783 | \sa QXYSeries::pointReplaced() | ||
|
Jani Honkonen
|
r1336 | */ | ||
|
Jani Honkonen
|
r2097 | void QXYSeries::replace(const QPointF &oldPoint, const QPointF &newPoint) | ||
|
Michal Klocek
|
r622 | { | ||
|
Michal Klocek
|
r938 | Q_D(QXYSeries); | ||
|
Michal Klocek
|
r1057 | int index = d->m_points.indexOf(oldPoint); | ||
|
Jani Honkonen
|
r2097 | if (index == -1) | ||
| return; | ||||
|
Miikka Heikkinen
|
r2496 | replace(index, newPoint); | ||
| } | ||||
|
Miikka Heikkinen
|
r2503 | /*! | ||
| Replaces the point at \a index with data point (\a newX, \a newY). | ||||
| \sa QXYSeries::pointReplaced() | ||||
| */ | ||||
|
Miikka Heikkinen
|
r2496 | void QXYSeries::replace(int index, qreal newX, qreal newY) | ||
| { | ||||
| replace(index, QPointF(newX, newY)); | ||||
| } | ||||
|
Miikka Heikkinen
|
r2503 | /*! | ||
| Replaces the point at \a index with \a newPoint. | ||||
| \sa QXYSeries::pointReplaced() | ||||
| */ | ||||
|
Miikka Heikkinen
|
r2496 | void QXYSeries::replace(int index, const QPointF &newPoint) | ||
| { | ||||
| Q_D(QXYSeries); | ||||
|
Mika Salmela
|
r2424 | if (isValidValue(newPoint)) { | ||
| d->m_points[index] = newPoint; | ||||
| emit pointReplaced(index); | ||||
| } | ||||
|
Michal Klocek
|
r622 | } | ||
|
Tero Ahola
|
r1783 | /*! | ||
|
Miikka Heikkinen
|
r2494 | Replaces the current points with \a points. | ||
| \note This is much faster than replacing data points one by one, | ||||
|
Tero Ahola
|
r1783 | or first clearing all data, and then appending the new data. Emits QXYSeries::pointsReplaced() | ||
| when the points have been replaced. | ||||
| \sa QXYSeries::pointsReplaced() | ||||
| */ | ||||
| void QXYSeries::replace(QList<QPointF> points) | ||||
| { | ||||
| Q_D(QXYSeries); | ||||
| d->m_points = points.toVector(); | ||||
| emit pointsReplaced(); | ||||
| } | ||||
|
Michal Klocek
|
r466 | /*! | ||
|
Miikka Heikkinen
|
r2494 | Removes the point (\a x, \a y) from the series. | ||
|
Michal Klocek
|
r466 | */ | ||
|
Jani Honkonen
|
r2097 | void QXYSeries::remove(qreal x, qreal y) | ||
|
Michal Klocek
|
r466 | { | ||
|
Jani Honkonen
|
r2097 | remove(QPointF(x, y)); | ||
|
Michal Klocek
|
r466 | } | ||
| /*! | ||||
|
Miikka Heikkinen
|
r2494 | Removes the \a point from the series. | ||
|
Michal Klocek
|
r466 | */ | ||
|
sauimone
|
r743 | void QXYSeries::remove(const QPointF &point) | ||
|
Michal Klocek
|
r466 | { | ||
|
Michal Klocek
|
r1057 | Q_D(QXYSeries); | ||
| int index = d->m_points.indexOf(point); | ||||
|
Jani Honkonen
|
r2097 | if (index == -1) | ||
| return; | ||||
|
Miikka Heikkinen
|
r2496 | remove(index); | ||
| } | ||||
|
Miikka Heikkinen
|
r2503 | /*! | ||
| Removes the point at \a index from the series. | ||||
| */ | ||||
|
Miikka Heikkinen
|
r2496 | void QXYSeries::remove(int index) | ||
| { | ||||
| Q_D(QXYSeries); | ||||
|
Michal Klocek
|
r1057 | d->m_points.remove(index); | ||
|
Marek Rosa
|
r1262 | emit pointRemoved(index); | ||
|
Michal Klocek
|
r466 | } | ||
|
Jani Honkonen
|
r1336 | /*! | ||
| Inserts a \a point in the series at \a index position. | ||||
| */ | ||||
|
Marek Rosa
|
r1256 | void QXYSeries::insert(int index, const QPointF &point) | ||
| { | ||||
| Q_D(QXYSeries); | ||||
|
Mika Salmela
|
r2424 | if (isValidValue(point)) { | ||
Friedemann Kleint
|
r2772 | index = qMax(0, qMin(index, d->m_points.size())); | ||
|
Mika Salmela
|
r2424 | d->m_points.insert(index, point); | ||
| emit pointAdded(index); | ||||
| } | ||||
|
Marek Rosa
|
r1256 | } | ||
|
Jani Honkonen
|
r1336 | /*! | ||
| Removes all points from the series. | ||||
| */ | ||||
|
Marek Rosa
|
r1256 | void QXYSeries::clear() | ||
| { | ||||
| Q_D(QXYSeries); | ||||
| for (int i = d->m_points.size() - 1; i >= 0; i--) | ||||
| remove(d->m_points.at(i)); | ||||
| } | ||||
|
Michal Klocek
|
r466 | /*! | ||
|
sauimone
|
r1724 | Returns list of points in the series. | ||
|
Michal Klocek
|
r466 | */ | ||
|
Michal Klocek
|
r1057 | QList<QPointF> QXYSeries::points() const | ||
|
Michal Klocek
|
r466 | { | ||
|
Michal Klocek
|
r938 | Q_D(const QXYSeries); | ||
|
Marek Rosa
|
r1230 | return d->m_points.toList(); | ||
|
Michal Klocek
|
r466 | } | ||
|
Miikka Heikkinen
|
r2483 | /*! | ||
| Returns point at \a index in internal points vector. | ||||
| */ | ||||
|
Miikka Heikkinen
|
r2491 | const QPointF &QXYSeries::at(int index) const | ||
|
Miikka Heikkinen
|
r2483 | { | ||
| Q_D(const QXYSeries); | ||||
| return d->m_points.at(index); | ||||
| } | ||||
|
Michal Klocek
|
r466 | /*! | ||
| Returns number of data points within series. | ||||
| */ | ||||
| int QXYSeries::count() const | ||||
| { | ||||
|
Michal Klocek
|
r938 | Q_D(const QXYSeries); | ||
|
Michal Klocek
|
r1057 | return d->m_points.count(); | ||
|
Tero Ahola
|
r491 | } | ||
|
Michal Klocek
|
r467 | /*! | ||
|
Michal Klocek
|
r481 | Sets \a pen used for drawing points on the chart. If the pen is not defined, the | ||
| pen from chart theme is used. | ||||
|
Marek Rosa
|
r909 | \sa QChart::setTheme() | ||
|
Michal Klocek
|
r467 | */ | ||
|
sauimone
|
r743 | void QXYSeries::setPen(const QPen &pen) | ||
|
Michal Klocek
|
r467 | { | ||
|
Michal Klocek
|
r938 | Q_D(QXYSeries); | ||
|
Tero Ahola
|
r1537 | if (d->m_pen != pen) { | ||
| bool emitColorChanged = d->m_pen.color() != pen.color(); | ||||
|
Michal Klocek
|
r938 | d->m_pen = pen; | ||
| emit d->updated(); | ||||
|
Tero Ahola
|
r1537 | if (emitColorChanged) | ||
| emit colorChanged(pen.color()); | ||||
|
Michal Klocek
|
r467 | } | ||
| } | ||||
|
Michal Klocek
|
r938 | QPen QXYSeries::pen() const | ||
| { | ||||
| Q_D(const QXYSeries); | ||||
|
Miikka Heikkinen
|
r2519 | if (d->m_pen == QChartPrivate::defaultPen()) | ||
| return QPen(); | ||||
| else | ||||
| return d->m_pen; | ||||
|
Michal Klocek
|
r938 | } | ||
|
Michal Klocek
|
r467 | /*! | ||
|
Michal Klocek
|
r481 | Sets \a brush used for drawing points on the chart. If the brush is not defined, brush | ||
| from chart theme setting is used. | ||||
|
Marek Rosa
|
r909 | \sa QChart::setTheme() | ||
|
Michal Klocek
|
r467 | */ | ||
|
sauimone
|
r743 | void QXYSeries::setBrush(const QBrush &brush) | ||
|
Michal Klocek
|
r467 | { | ||
|
Michal Klocek
|
r938 | Q_D(QXYSeries); | ||
|
Jani Honkonen
|
r2097 | if (d->m_brush != brush) { | ||
|
Michal Klocek
|
r938 | d->m_brush = brush; | ||
| emit d->updated(); | ||||
|
Michal Klocek
|
r467 | } | ||
| } | ||||
|
Michal Klocek
|
r938 | QBrush QXYSeries::brush() const | ||
| { | ||||
| Q_D(const QXYSeries); | ||||
|
Miikka Heikkinen
|
r2519 | if (d->m_brush == QChartPrivate::defaultBrush()) | ||
| return QBrush(); | ||||
| else | ||||
| return d->m_brush; | ||||
|
Michal Klocek
|
r938 | } | ||
|
Tero Ahola
|
r1481 | void QXYSeries::setColor(const QColor &color) | ||
| { | ||||
| QPen p = pen(); | ||||
| if (p.color() != color) { | ||||
| p.setColor(color); | ||||
| setPen(p); | ||||
| } | ||||
| } | ||||
| QColor QXYSeries::color() const | ||||
| { | ||||
| return pen().color(); | ||||
| } | ||||
|
Michal Klocek
|
r938 | |||
| void QXYSeries::setPointsVisible(bool visible) | ||||
| { | ||||
| Q_D(QXYSeries); | ||||
|
Jani Honkonen
|
r2097 | if (d->m_pointsVisible != visible) { | ||
|
Michal Klocek
|
r938 | d->m_pointsVisible = visible; | ||
| emit d->updated(); | ||||
| } | ||||
| } | ||||
| bool QXYSeries::pointsVisible() const | ||||
| { | ||||
| Q_D(const QXYSeries); | ||||
| return d->m_pointsVisible; | ||||
| } | ||||
|
Titta Heikkala
|
r2689 | void QXYSeries::setPointLabelsFormat(const QString &format) | ||
| { | ||||
| Q_D(QXYSeries); | ||||
| if (d->m_pointLabelsFormat != format) { | ||||
| d->m_pointLabelsFormat = format; | ||||
| emit pointLabelsFormatChanged(format); | ||||
| } | ||||
| } | ||||
| QString QXYSeries::pointLabelsFormat() const | ||||
| { | ||||
| Q_D(const QXYSeries); | ||||
| return d->m_pointLabelsFormat; | ||||
| } | ||||
| void QXYSeries::setPointLabelsVisible(bool visible) | ||||
| { | ||||
| Q_D(QXYSeries); | ||||
| if (d->m_pointLabelsVisible != visible) { | ||||
| d->m_pointLabelsVisible = visible; | ||||
| emit pointLabelsVisibilityChanged(visible); | ||||
| } | ||||
| } | ||||
| bool QXYSeries::pointLabelsVisible() const | ||||
| { | ||||
| Q_D(const QXYSeries); | ||||
| return d->m_pointLabelsVisible; | ||||
| } | ||||
| void QXYSeries::setPointLabelsFont(const QFont &font) | ||||
| { | ||||
| Q_D(QXYSeries); | ||||
| if (d->m_pointLabelsFont != font) { | ||||
| d->m_pointLabelsFont = font; | ||||
| emit pointLabelsFontChanged(font); | ||||
| } | ||||
| } | ||||
| QFont QXYSeries::pointLabelsFont() const | ||||
| { | ||||
| Q_D(const QXYSeries); | ||||
| return d->m_pointLabelsFont; | ||||
| } | ||||
| void QXYSeries::setPointLabelsColor(const QColor &color) | ||||
| { | ||||
| Q_D(QXYSeries); | ||||
| if (d->m_pointLabelsColor != color) { | ||||
| d->m_pointLabelsColor = color; | ||||
| emit pointLabelsColorChanged(color); | ||||
| } | ||||
| } | ||||
| QColor QXYSeries::pointLabelsColor() const | ||||
| { | ||||
| Q_D(const QXYSeries); | ||||
| if (d->m_pointLabelsColor == QChartPrivate::defaultPen().color()) | ||||
| return QPen().color(); | ||||
| else | ||||
| return d->m_pointLabelsColor; | ||||
| } | ||||
|
Michal Klocek
|
r467 | |||
|
Michal Klocek
|
r466 | /*! | ||
| Stream operator for adding a data \a point to the series. | ||||
|
Jani Honkonen
|
r796 | \sa append() | ||
|
Michal Klocek
|
r466 | */ | ||
|
Jani Honkonen
|
r2104 | QXYSeries &QXYSeries::operator<< (const QPointF &point) | ||
|
Michal Klocek
|
r466 | { | ||
|
Jani Honkonen
|
r796 | append(point); | ||
|
Michal Klocek
|
r466 | return *this; | ||
| } | ||||
|
Michal Klocek
|
r481 | /*! | ||
| Stream operator for adding a list of \a points to the series. | ||||
|
Jani Honkonen
|
r796 | \sa append() | ||
|
Michal Klocek
|
r481 | */ | ||
|
Jani Honkonen
|
r2104 | QXYSeries &QXYSeries::operator<< (const QList<QPointF>& points) | ||
|
Michal Klocek
|
r481 | { | ||
|
Jani Honkonen
|
r796 | append(points); | ||
|
Michal Klocek
|
r481 | return *this; | ||
| } | ||||
|
Michal Klocek
|
r938 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
|
Marek Rosa
|
r990 | |||
|
Jani Honkonen
|
r2104 | QXYSeriesPrivate::QXYSeriesPrivate(QXYSeries *q) | ||
| : QAbstractSeriesPrivate(q), | ||||
|
Miikka Heikkinen
|
r2516 | m_pen(QChartPrivate::defaultPen()), | ||
| m_brush(QChartPrivate::defaultBrush()), | ||||
|
Titta Heikkala
|
r2689 | m_pointsVisible(false), | ||
| m_pointLabelsFormat(QLatin1String("@xPoint, @yPoint")), | ||||
| m_pointLabelsVisible(false), | ||||
| m_pointLabelsFont(QChartPrivate::defaultFont()), | ||||
| m_pointLabelsColor(QChartPrivate::defaultPen().color()) | ||||
|
Michal Klocek
|
r938 | { | ||
| } | ||||
|
Michal Klocek
|
r2273 | void QXYSeriesPrivate::initializeDomain() | ||
|
Michal Klocek
|
r943 | { | ||
|
Marek Rosa
|
r1740 | qreal minX(0); | ||
| qreal minY(0); | ||||
| qreal maxX(1); | ||||
| qreal maxY(1); | ||||
|
Michal Klocek
|
r943 | |||
|
Michal Klocek
|
r1059 | Q_Q(QXYSeries); | ||
|
Michal Klocek
|
r1057 | |||
|
Michal Klocek
|
r1059 | const QList<QPointF>& points = q->points(); | ||
|
Michal Klocek
|
r1070 | |||
|
Jani Honkonen
|
r2097 | if (!points.isEmpty()) { | ||
|
Marek Rosa
|
r1740 | minX = points[0].x(); | ||
| minY = points[0].y(); | ||||
| maxX = minX; | ||||
| maxY = minY; | ||||
| for (int i = 0; i < points.count(); i++) { | ||||
| qreal x = points[i].x(); | ||||
| qreal y = points[i].y(); | ||||
| minX = qMin(minX, x); | ||||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
| } | ||||
|
Marek Rosa
|
r1205 | } | ||
|
Michal Klocek
|
r2273 | domain()->setRange(minX, maxX, minY, maxY); | ||
|
Michal Klocek
|
r943 | } | ||
|
sauimone
|
r2163 | QList<QLegendMarker*> QXYSeriesPrivate::createLegendMarkers(QLegend* legend) | ||
| { | ||||
|
sauimone
|
r2175 | Q_Q(QXYSeries); | ||
|
sauimone
|
r2163 | QList<QLegendMarker*> list; | ||
|
sauimone
|
r2175 | return list << new QXYLegendMarker(q,legend); | ||
|
sauimone
|
r2163 | } | ||
|
Michal Klocek
|
r2273 | void QXYSeriesPrivate::initializeAxes() | ||
|
Michal Klocek
|
r1556 | { | ||
|
Michal Klocek
|
r2273 | |||
|
Michal Klocek
|
r1556 | } | ||
|
Michal Klocek
|
r1695 | QAbstractAxis::AxisType QXYSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const | ||
|
Michal Klocek
|
r1588 | { | ||
|
Michal Klocek
|
r1695 | Q_UNUSED(orientation); | ||
|
Marek Rosa
|
r1818 | return QAbstractAxis::AxisTypeValue; | ||
|
Michal Klocek
|
r1556 | } | ||
|
Michal Klocek
|
r2273 | QAbstractAxis* QXYSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const | ||
| { | ||||
| Q_UNUSED(orientation); | ||||
|
Titta Heikkala
|
r2614 | return new QValueAxis; | ||
|
Michal Klocek
|
r2273 | } | ||
|
Titta Heikkala
|
r2712 | void QXYSeriesPrivate::initializeAnimations(QtCharts::QChart::AnimationOptions options) | ||
|
Michal Klocek
|
r2273 | { | ||
| XYChart *item = static_cast<XYChart *>(m_item.data()); | ||||
| Q_ASSERT(item); | ||||
|
Miikka Heikkinen
|
r2555 | if (item->animation()) | ||
| item->animation()->stopAndDestroyLater(); | ||||
| if (options.testFlag(QChart::SeriesAnimations)) | ||||
|
Michal Klocek
|
r2273 | item->setAnimation(new XYAnimation(item)); | ||
|
Miikka Heikkinen
|
r2555 | else | ||
|
Michal Klocek
|
r2273 | item->setAnimation(0); | ||
| QAbstractSeriesPrivate::initializeAnimations(options); | ||||
| } | ||||
|
Titta Heikkala
|
r2696 | void QXYSeriesPrivate::drawSeriesPointLabels(QPainter *painter, const QVector<QPointF> &points, | ||
| const int offset) | ||||
|
Titta Heikkala
|
r2689 | { | ||
| static const QString xPointTag(QLatin1String("@xPoint")); | ||||
| static const QString yPointTag(QLatin1String("@yPoint")); | ||||
|
Titta Heikkala
|
r2696 | const int labelOffset = offset + 2; | ||
|
Titta Heikkala
|
r2689 | |||
| painter->setFont(m_pointLabelsFont); | ||||
| painter->setPen(QPen(m_pointLabelsColor)); | ||||
| QFontMetrics fm(painter->font()); | ||||
Andy Shaw
|
r2766 | for (int i(0); i < points.size(); i++) { | ||
|
Titta Heikkala
|
r2689 | QString pointLabel = m_pointLabelsFormat; | ||
|
Andy Shaw
|
r2766 | pointLabel.replace(xPointTag, presenter()->numberToString(points.at(i).x())); | ||
| pointLabel.replace(yPointTag, presenter()->numberToString(points.at(i).y())); | ||||
|
Titta Heikkala
|
r2689 | |||
| // Position text in relation to the point | ||||
| int pointLabelWidth = fm.width(pointLabel); | ||||
| QPointF position(points.at(i)); | ||||
| position.setX(position.x() - pointLabelWidth / 2); | ||||
|
Titta Heikkala
|
r2696 | position.setY(position.y() - labelOffset); | ||
|
Titta Heikkala
|
r2689 | |||
| painter->drawText(position, pointLabel); | ||||
| } | ||||
| } | ||||
|
Michal Klocek
|
r466 | #include "moc_qxyseries.cpp" | ||
|
Michal Klocek
|
r938 | #include "moc_qxyseries_p.cpp" | ||
|
Michal Klocek
|
r466 | |||
|
Titta Heikkala
|
r2712 | QT_CHARTS_END_NAMESPACE | ||