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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "declarativechart.h"
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#include <QtGui/QPainter>
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#include "declarativelineseries.h"
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#include "declarativeareaseries.h"
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#include "declarativebarseries.h"
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#include "declarativepieseries.h"
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#include "declarativesplineseries.h"
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#include "declarativeboxplotseries.h"
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#include "declarativescatterseries.h"
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#include "declarativechartnode.h"
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#include "declarativerendernode.h"
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#include <QtCharts/QBarCategoryAxis>
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#include <QtCharts/QValueAxis>
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#include <QtCharts/QLogValueAxis>
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#include <QtCharts/QCategoryAxis>
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#include <private/qabstractseries_p.h>
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#include "declarativemargins.h"
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#include <private/chartdataset_p.h>
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#include "declarativeaxes.h"
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#include <private/qchart_p.h>
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#include <private/chartpresenter_p.h>
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#include <QtCharts/QPolarChart>
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#ifndef QT_QREAL_IS_FLOAT
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#include <QtCharts/QDateTimeAxis>
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#endif
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#include <QtWidgets/QGraphicsSceneMouseEvent>
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#include <QtWidgets/QGraphicsSceneHoverEvent>
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#include <QtWidgets/QApplication>
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#include <QtCore/QTimer>
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#include <QtCore/QThread>
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QT_CHARTS_BEGIN_NAMESPACE
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/*!
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\qmltype ChartView
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\instantiates DeclarativeChart
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\inqmlmodule QtCharts
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\brief Chart element.
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ChartView element is the parent that is responsible for showing different chart series types.
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The following QML shows how to create a simple chart with one pie series:
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\snippet qmlpiechart/qml/qmlpiechart/main.qml 1
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\snippet qmlpiechart/qml/qmlpiechart/main.qml 2
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\snippet qmlpiechart/qml/qmlpiechart/main.qml 3
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\beginfloatleft
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\image examples_qmlpiechart.png
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\endfloat
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\clearfloat
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*/
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/*!
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\qmlproperty Theme ChartView::theme
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Theme defines the visual appearance of the chart, including for example colors, fonts, line
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widths and chart background.
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*/
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/*!
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\qmlproperty Animation ChartView::animationOptions
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Animation configuration of the chart. One of ChartView.NoAnimation, ChartView.GridAxisAnimations,
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ChartView.SeriesAnimations or ChartView.AllAnimations.
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*/
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/*!
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\qmlproperty int ChartView::animationDuration
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The duration of the animation for the chart.
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*/
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/*!
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\qmlproperty easing ChartView::animationEasingCurve
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The easing curve of the animation for the chart.
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*/
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/*!
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\qmlproperty Font ChartView::titleFont
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The title font of the chart.
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See the Qt documentation for more details of Font.
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*/
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/*!
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\qmlproperty string ChartView::title
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The title of the chart, shown on top of the chart.
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\sa ChartView::titleColor
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*/
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/*!
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\qmlproperty color ChartView::titleColor
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The color of the title text.
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*/
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/*!
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\qmlproperty Legend ChartView::legend
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The legend of the chart. Legend lists all the series, pie slices and bar sets added on the chart.
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*/
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/*!
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\qmlproperty int ChartView::count
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The count of series added to the chart.
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*/
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/*!
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\qmlproperty color ChartView::backgroundColor
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The color of the chart's background. By default background color is defined by chart theme.
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\sa ChartView::theme
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*/
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/*!
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\qmlproperty real ChartView::backgroundRoundness
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The diameter of the rounding circle at the corners of the chart background.
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*/
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/*!
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\qmlproperty color ChartView::plotAreaColor
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The color of the background of the chart's plot area. By default plot area background uses chart's
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background color.
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\sa ChartView::backgroundColor
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*/
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/*!
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\qmlproperty list<AbstractAxis> ChartView::axes
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The axes of the ChartView.
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*/
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/*!
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\qmlproperty bool ChartView::dropShadowEnabled
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The chart's border drop shadow. Set to true to enable drop shadow.
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*/
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/*!
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\qmlproperty rect ChartView::plotArea
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The area on the ChartView that is used for drawing series. This is the ChartView rect without the
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margins.
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\sa ChartView::margins
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*/
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/*!
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\qmlproperty Margins ChartView::margins
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The minimum margins allowed between the outer bounds and the plotArea of the ChartView. Margins
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area of ChartView is used for drawing title, axes and legend.
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*/
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/*!
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\qmlproperty bool ChartView::localizeNumbers
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\since QtCharts 2.0
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When \c{true}, all generated numbers appearing in various series and axis labels will be
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localized using the default QLocale of the application, which defaults to the system locale.
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When \c{false}, the "C" locale is always used.
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Defaults to \c{false}.
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\sa locale
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*/
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/*!
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\qmlproperty locale ChartView::locale
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\since QtCharts 2.0
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Sets the locale used to format various chart labels when localizeNumbers is \c{true}.
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This also determines the locale used to format DateTimeAxis labels regardless of
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localizeNumbers property.
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Defaults to application default locale at the time the chart is constructed.
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\sa localizeNumbers
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*/
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/*!
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\qmlmethod AbstractSeries ChartView::series(int index)
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Returns the series with \a index on the chart. This allows you to loop through the series of a chart together with
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the count property of the chart.
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*/
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/*!
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\qmlmethod AbstractSeries ChartView::series(string name)
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Returns the first series on the chart with \a name. If there is no series with that name, returns null.
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*/
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/*!
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\qmlmethod AbstractSeries ChartView::createSeries(SeriesType type, string name, AbstractAxis axisX, AbstractAxis axisY)
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Creates a series object of \a type to the chart with name \a name, optional axis \a axisX and
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optional axis \a axisY. For example:
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\code
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// lineSeries is a LineSeries object that has already been added to the ChartView; re-use it's axes
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var myAxisX = chartView.axisX(lineSeries);
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var myAxisY = chartView.axisY(lineSeries);
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var scatter = chartView.createSeries(ChartView.SeriesTypeScatter, "scatter series", myAxisX, myAxisY);
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\endcode
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*/
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/*!
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\qmlmethod ChartView::removeSeries(AbstractSeries series)
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Removes the \a series from the chart. The series object is also destroyed.
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*/
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/*!
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\qmlmethod ChartView::removeAllSeries()
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Removes all series from the chart. All the series objects are also destroyed.
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*/
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/*!
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\qmlmethod Axis ChartView::axisX(AbstractSeries series)
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The x-axis of the series.
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*/
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/*!
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\qmlmethod ChartView::setAxisX(AbstractAxis axis, AbstractSeries series)
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Set the x-axis of the series.
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*/
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/*!
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\qmlmethod Axis ChartView::axisY(AbstractSeries series)
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The y-axis of the series.
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*/
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/*!
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\qmlmethod ChartView::setAxisY(AbstractAxis axis, AbstractSeries series)
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Set the y-axis of the series.
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*/
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/*!
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\qmlmethod ChartView::zoom(real factor)
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Zooms in by \a factor on the center of the chart.
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A factor over 1.0 zooms the view in and factor between 0.0 and 1.0 zooms out.
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*/
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/*!
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\qmlmethod ChartView::zoomIn()
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Zooms in the view by a factor of two.
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*/
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/*!
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\qmlmethod ChartView::zoomIn(rect rectangle)
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Zooms in the view to a maximum level at which \a rectangle is still fully visible.
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\note This is not supported for polar charts.
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*/
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/*!
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\qmlmethod ChartView::zoomOut()
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Zooms out the view by a factor of two.
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*/
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/*!
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\qmlmethod ChartView::zoomReset()
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Resets the series domains to what they were before any zoom method was called.
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Note that this will also reset any scrolls and explicit axis range settings done between
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the first zoom operation and calling this method. If no zoom operation has been
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done, this method does nothing.
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*/
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/*!
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\qmlmethod ChartView::isZoomed()
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Returns true if any series has a zoomed domain.
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*/
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/*!
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\qmlmethod ChartView::scrollLeft(real pixels)
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Scrolls to left by \a pixels. This is a convenience function that suits for example for key navigation.
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*/
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/*!
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\qmlmethod ChartView::scrollRight(real pixels)
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Scrolls to right by \a pixels. This is a convenience function that suits for example for key navigation.
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*/
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/*!
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\qmlmethod ChartView::scrollUp(real pixels)
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Scrolls up by \a pixels. This is a convenience function that suits for example for key navigation.
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*/
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/*!
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\qmlmethod ChartView::scrollDown(real pixels)
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Scrolls down by \a pixels. This is a convenience function that suits for example for key navigation.
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*/
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/*!
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\qmlmethod point ChartView::mapToValue(point position, AbstractSeries series)
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Returns the value in the \a series domain that corresponds to the \a position relative to the
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chart.
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*/
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/*!
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\qmlmethod point ChartView::mapToPosition(point value, AbstractSeries series)
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Returns the position on the chart that corresponds to the \a value in the \a series domain.
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*/
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/*!
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\qmlsignal ChartView::seriesAdded(AbstractSeries series)
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The \a series has been added to the chart.
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*/
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/*!
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\qmlsignal ChartView::seriesRemoved(AbstractSeries series)
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The \a series has been removed from the chart. Please note that \a series is no longer a valid
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object after the signal handler has completed.
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*/
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DeclarativeChart::DeclarativeChart(QQuickItem *parent)
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: QQuickItem(parent)
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{
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initChart(QChart::ChartTypeCartesian);
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}
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DeclarativeChart::DeclarativeChart(QChart::ChartType type, QQuickItem *parent)
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: QQuickItem(parent)
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{
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initChart(type);
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}
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void DeclarativeChart::initChart(QChart::ChartType type)
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{
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m_sceneImage = 0;
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m_sceneImageDirty = false;
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m_sceneImageNeedsClear = false;
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m_guiThreadId = QThread::currentThreadId();
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m_paintThreadId = 0;
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m_updatePending = false;
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setFlag(ItemHasContents, true);
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if (type == QChart::ChartTypePolar)
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m_chart = new QPolarChart();
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else
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m_chart = new QChart();
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m_chart->d_ptr->m_presenter->glSetUseWidget(false);
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m_glXYDataManager = m_chart->d_ptr->m_dataset->glXYSeriesDataManager();
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m_scene = new QGraphicsScene(this);
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m_scene->addItem(m_chart);
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setAntialiasing(QQuickItem::antialiasing());
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connect(m_scene, &QGraphicsScene::changed, this, &DeclarativeChart::sceneChanged);
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connect(this, &DeclarativeChart::needRender, this, &DeclarativeChart::renderScene,
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Qt::QueuedConnection);
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connect(this, SIGNAL(antialiasingChanged(bool)), this, SLOT(handleAntialiasingChanged(bool)));
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setAcceptedMouseButtons(Qt::AllButtons);
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setAcceptHoverEvents(true);
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m_margins = new DeclarativeMargins(this);
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m_margins->setTop(m_chart->margins().top());
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m_margins->setLeft(m_chart->margins().left());
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m_margins->setRight(m_chart->margins().right());
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m_margins->setBottom(m_chart->margins().bottom());
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connect(m_margins, SIGNAL(topChanged(int,int,int,int)),
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this, SLOT(changeMargins(int,int,int,int)));
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connect(m_margins, SIGNAL(bottomChanged(int,int,int,int)),
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this, SLOT(changeMargins(int,int,int,int)));
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connect(m_margins, SIGNAL(leftChanged(int,int,int,int)),
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this, SLOT(changeMargins(int,int,int,int)));
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connect(m_margins, SIGNAL(rightChanged(int,int,int,int)),
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this, SLOT(changeMargins(int,int,int,int)));
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connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*)), this, SLOT(handleSeriesAdded(QAbstractSeries*)));
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connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), this, SIGNAL(seriesRemoved(QAbstractSeries*)));
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connect(m_chart, &QChart::plotAreaChanged, this, &DeclarativeChart::plotAreaChanged);
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}
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void DeclarativeChart::handleSeriesAdded(QAbstractSeries *series)
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{
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emit seriesAdded(series);
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}
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void DeclarativeChart::changeMargins(int top, int bottom, int left, int right)
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{
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m_chart->setMargins(QMargins(left, top, right, bottom));
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emit marginsChanged();
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}
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DeclarativeChart::~DeclarativeChart()
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{
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delete m_chart;
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delete m_sceneImage;
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}
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void DeclarativeChart::childEvent(QChildEvent *event)
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{
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if (event->type() == QEvent::ChildAdded) {
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if (qobject_cast<QAbstractSeries *>(event->child())) {
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m_chart->addSeries(qobject_cast<QAbstractSeries *>(event->child()));
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}
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}
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}
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void DeclarativeChart::componentComplete()
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{
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foreach (QObject *child, children()) {
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if (qobject_cast<QAbstractSeries *>(child)) {
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// Add series to the chart
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QAbstractSeries *series = qobject_cast<QAbstractSeries *>(child);
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m_chart->addSeries(series);
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// Connect to axis changed signals (unless this is a pie series)
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if (!qobject_cast<DeclarativePieSeries *>(series)) {
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connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*)));
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connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXTopSet(QAbstractAxis*)));
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connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*)));
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connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*)));
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}
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initializeAxes(series);
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}
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}
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QQuickItem::componentComplete();
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}
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|
|
|
|
void DeclarativeChart::seriesAxisAttachHelper(QAbstractSeries *series, QAbstractAxis *axis,
|
|
|
Qt::Orientations orientation,
|
|
|
Qt::Alignment alignment)
|
|
|
{
|
|
|
if (!series->attachedAxes().contains(axis)) {
|
|
|
// Remove & delete old axes that are not attached to any other series
|
|
|
foreach (QAbstractAxis* oldAxis, m_chart->axes(orientation, series)) {
|
|
|
bool otherAttachments = false;
|
|
|
if (oldAxis != axis) {
|
|
|
foreach (QAbstractSeries *oldSeries, m_chart->series()) {
|
|
|
if (oldSeries != series && oldSeries->attachedAxes().contains(oldAxis)) {
|
|
|
otherAttachments = true;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
if (!otherAttachments) {
|
|
|
m_chart->removeAxis(oldAxis);
|
|
|
delete oldAxis;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (!m_chart->axes(orientation).contains(axis))
|
|
|
m_chart->addAxis(axis, alignment);
|
|
|
|
|
|
series->attachAxis(axis);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::handleAxisXSet(QAbstractAxis *axis)
|
|
|
{
|
|
|
QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender());
|
|
|
if (axis && s) {
|
|
|
seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignBottom);
|
|
|
} else {
|
|
|
qWarning() << "Trying to set axisX to null.";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::handleAxisXTopSet(QAbstractAxis *axis)
|
|
|
{
|
|
|
QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender());
|
|
|
if (axis && s) {
|
|
|
seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignTop);
|
|
|
} else {
|
|
|
qWarning() << "Trying to set axisXTop to null.";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::handleAxisYSet(QAbstractAxis *axis)
|
|
|
{
|
|
|
QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender());
|
|
|
if (axis && s) {
|
|
|
seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignLeft);
|
|
|
} else {
|
|
|
qWarning() << "Trying to set axisY to null.";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::handleAxisYRightSet(QAbstractAxis *axis)
|
|
|
{
|
|
|
QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender());
|
|
|
if (axis && s) {
|
|
|
seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignRight);
|
|
|
} else {
|
|
|
qWarning() << "Trying to set axisYRight to null.";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
|
|
|
{
|
|
|
if (newGeometry.isValid()) {
|
|
|
if (newGeometry.width() > 0 && newGeometry.height() > 0) {
|
|
|
m_chart->resize(newGeometry.width(), newGeometry.height());
|
|
|
}
|
|
|
}
|
|
|
QQuickItem::geometryChanged(newGeometry, oldGeometry);
|
|
|
}
|
|
|
|
|
|
QSGNode *DeclarativeChart::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *)
|
|
|
{
|
|
|
DeclarativeChartNode *node = static_cast<DeclarativeChartNode *>(oldNode);
|
|
|
|
|
|
if (!node) {
|
|
|
node = new DeclarativeChartNode(window());
|
|
|
if (node->glRenderNode()) {
|
|
|
connect(window(), &QQuickWindow::beforeRendering,
|
|
|
node->glRenderNode(), &DeclarativeRenderNode::render);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
const QRectF &bRect = boundingRect();
|
|
|
|
|
|
// Update GL data
|
|
|
if (node->glRenderNode() && (m_glXYDataManager->dataMap().size() || m_glXYDataManager->mapDirty())) {
|
|
|
const QRectF &plotArea = m_chart->plotArea();
|
|
|
const QSizeF &chartAreaSize = m_chart->size();
|
|
|
|
|
|
// We can't use chart's plot area directly, as graphicscene has some internal minimum size
|
|
|
const qreal normalizedX = plotArea.x() / chartAreaSize.width();
|
|
|
const qreal normalizedY = plotArea.y() / chartAreaSize.height();
|
|
|
const qreal normalizedWidth = plotArea.width() / chartAreaSize.width();
|
|
|
const qreal normalizedHeight = plotArea.height() / chartAreaSize.height();
|
|
|
|
|
|
QRectF adjustedPlotArea(normalizedX * bRect.width(),
|
|
|
normalizedY * bRect.height(),
|
|
|
normalizedWidth * bRect.width(),
|
|
|
normalizedHeight * bRect.height());
|
|
|
|
|
|
const QSize &adjustedPlotSize = adjustedPlotArea.size().toSize();
|
|
|
if (adjustedPlotSize != node->glRenderNode()->textureSize())
|
|
|
node->glRenderNode()->setTextureSize(adjustedPlotSize);
|
|
|
|
|
|
node->glRenderNode()->setRect(adjustedPlotArea);
|
|
|
node->glRenderNode()->setSeriesData(m_glXYDataManager->mapDirty(),
|
|
|
m_glXYDataManager->dataMap());
|
|
|
|
|
|
// Clear dirty flags from original xy data
|
|
|
m_glXYDataManager->clearAllDirty();
|
|
|
}
|
|
|
|
|
|
// Copy chart (if dirty) to chart node
|
|
|
if (m_sceneImageDirty) {
|
|
|
node->createTextureFromImage(*m_sceneImage);
|
|
|
m_sceneImageDirty = false;
|
|
|
}
|
|
|
|
|
|
node->setRect(bRect);
|
|
|
|
|
|
return node;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::sceneChanged(QList<QRectF> region)
|
|
|
{
|
|
|
const int count = region.size();
|
|
|
const qreal limitSize = 0.01;
|
|
|
if (count && !m_updatePending) {
|
|
|
qreal totalSize = 0.0;
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
const QRectF ® = region.at(i);
|
|
|
totalSize += (reg.height() * reg.width());
|
|
|
if (totalSize >= limitSize)
|
|
|
break;
|
|
|
}
|
|
|
// Ignore region updates that change less than small fraction of a pixel, as there is
|
|
|
// little point regenerating the image in these cases. These are typically cases
|
|
|
// where OpenGL series are drawn to otherwise static chart.
|
|
|
if (totalSize >= limitSize) {
|
|
|
m_updatePending = true;
|
|
|
// Do async render to avoid some unnecessary renders.
|
|
|
emit needRender();
|
|
|
} else {
|
|
|
// We do want to call update to trigger possible gl series updates.
|
|
|
update();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::renderScene()
|
|
|
{
|
|
|
m_updatePending = false;
|
|
|
m_sceneImageDirty = true;
|
|
|
QSize chartSize = m_chart->size().toSize();
|
|
|
if (!m_sceneImage || chartSize != m_sceneImage->size()) {
|
|
|
delete m_sceneImage;
|
|
|
qreal dpr = window() ? window()->devicePixelRatio() : 1.0;
|
|
|
m_sceneImage = new QImage(chartSize * dpr, QImage::Format_ARGB32);
|
|
|
m_sceneImage->setDevicePixelRatio(dpr);
|
|
|
m_sceneImageNeedsClear = true;
|
|
|
}
|
|
|
|
|
|
if (m_sceneImageNeedsClear) {
|
|
|
m_sceneImage->fill(Qt::transparent);
|
|
|
// Don't clear the flag if chart background has any transparent element to it
|
|
|
if (m_chart->backgroundBrush().color().alpha() == 0xff && !m_chart->isDropShadowEnabled())
|
|
|
m_sceneImageNeedsClear = false;
|
|
|
}
|
|
|
QPainter painter(m_sceneImage);
|
|
|
if (antialiasing()) {
|
|
|
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing
|
|
|
| QPainter::SmoothPixmapTransform);
|
|
|
}
|
|
|
QRect renderRect(QPoint(0, 0), chartSize);
|
|
|
m_scene->render(&painter, renderRect, renderRect);
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::mousePressEvent(QMouseEvent *event)
|
|
|
{
|
|
|
m_mousePressScenePoint = event->pos();
|
|
|
m_mousePressScreenPoint = event->globalPos();
|
|
|
m_lastMouseMoveScenePoint = m_mousePressScenePoint;
|
|
|
m_lastMouseMoveScreenPoint = m_mousePressScreenPoint;
|
|
|
m_mousePressButton = event->button();
|
|
|
m_mousePressButtons = event->buttons();
|
|
|
|
|
|
QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMousePress);
|
|
|
mouseEvent.setWidget(0);
|
|
|
mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint);
|
|
|
mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint);
|
|
|
mouseEvent.setScenePos(m_mousePressScenePoint);
|
|
|
mouseEvent.setScreenPos(m_mousePressScreenPoint);
|
|
|
mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint);
|
|
|
mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint);
|
|
|
mouseEvent.setButtons(m_mousePressButtons);
|
|
|
mouseEvent.setButton(m_mousePressButton);
|
|
|
mouseEvent.setModifiers(event->modifiers());
|
|
|
mouseEvent.setAccepted(false);
|
|
|
|
|
|
QApplication::sendEvent(m_scene, &mouseEvent);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::mouseReleaseEvent(QMouseEvent *event)
|
|
|
{
|
|
|
QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseRelease);
|
|
|
mouseEvent.setWidget(0);
|
|
|
mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint);
|
|
|
mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint);
|
|
|
mouseEvent.setScenePos(event->pos());
|
|
|
mouseEvent.setScreenPos(event->globalPos());
|
|
|
mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint);
|
|
|
mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint);
|
|
|
mouseEvent.setButtons(event->buttons());
|
|
|
mouseEvent.setButton(event->button());
|
|
|
mouseEvent.setModifiers(event->modifiers());
|
|
|
mouseEvent.setAccepted(false);
|
|
|
|
|
|
QApplication::sendEvent(m_scene, &mouseEvent);
|
|
|
|
|
|
m_mousePressButtons = event->buttons();
|
|
|
m_mousePressButton = Qt::NoButton;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::hoverMoveEvent(QHoverEvent *event)
|
|
|
{
|
|
|
// Convert hover move to mouse move, since we don't seem to get actual mouse move events.
|
|
|
// QGraphicsScene generates hover events from mouse move events, so we don't need
|
|
|
// to pass hover events there.
|
|
|
QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseMove);
|
|
|
mouseEvent.setWidget(0);
|
|
|
mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint);
|
|
|
mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint);
|
|
|
mouseEvent.setScenePos(event->pos());
|
|
|
// Hover events do not have global pos in them, and the screen position doesn't seem to
|
|
|
// matter anyway in this use case, so just pass event pos instead of trying to
|
|
|
// calculate the real screen position.
|
|
|
mouseEvent.setScreenPos(event->pos());
|
|
|
mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint);
|
|
|
mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint);
|
|
|
mouseEvent.setButtons(m_mousePressButtons);
|
|
|
mouseEvent.setButton(m_mousePressButton);
|
|
|
mouseEvent.setModifiers(event->modifiers());
|
|
|
m_lastMouseMoveScenePoint = mouseEvent.scenePos();
|
|
|
m_lastMouseMoveScreenPoint = mouseEvent.screenPos();
|
|
|
mouseEvent.setAccepted(false);
|
|
|
|
|
|
QApplication::sendEvent(m_scene, &mouseEvent);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::mouseDoubleClickEvent(QMouseEvent *event)
|
|
|
{
|
|
|
m_mousePressScenePoint = event->pos();
|
|
|
m_mousePressScreenPoint = event->globalPos();
|
|
|
m_lastMouseMoveScenePoint = m_mousePressScenePoint;
|
|
|
m_lastMouseMoveScreenPoint = m_mousePressScreenPoint;
|
|
|
m_mousePressButton = event->button();
|
|
|
m_mousePressButtons = event->buttons();
|
|
|
|
|
|
QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseDoubleClick);
|
|
|
mouseEvent.setWidget(0);
|
|
|
mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint);
|
|
|
mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint);
|
|
|
mouseEvent.setScenePos(m_mousePressScenePoint);
|
|
|
mouseEvent.setScreenPos(m_mousePressScreenPoint);
|
|
|
mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint);
|
|
|
mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint);
|
|
|
mouseEvent.setButtons(m_mousePressButtons);
|
|
|
mouseEvent.setButton(m_mousePressButton);
|
|
|
mouseEvent.setModifiers(event->modifiers());
|
|
|
mouseEvent.setAccepted(false);
|
|
|
|
|
|
QApplication::sendEvent(m_scene, &mouseEvent);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::handleAntialiasingChanged(bool enable)
|
|
|
{
|
|
|
setAntialiasing(enable);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTheme(DeclarativeChart::Theme theme)
|
|
|
{
|
|
|
QChart::ChartTheme chartTheme = (QChart::ChartTheme) theme;
|
|
|
if (chartTheme != m_chart->theme())
|
|
|
m_chart->setTheme(chartTheme);
|
|
|
}
|
|
|
|
|
|
DeclarativeChart::Theme DeclarativeChart::theme()
|
|
|
{
|
|
|
return (DeclarativeChart::Theme) m_chart->theme();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAnimationOptions(DeclarativeChart::Animation animations)
|
|
|
{
|
|
|
QChart::AnimationOption animationOptions = (QChart::AnimationOption) animations;
|
|
|
if (animationOptions != m_chart->animationOptions())
|
|
|
m_chart->setAnimationOptions(animationOptions);
|
|
|
}
|
|
|
|
|
|
DeclarativeChart::Animation DeclarativeChart::animationOptions()
|
|
|
{
|
|
|
if (m_chart->animationOptions().testFlag(QChart::AllAnimations))
|
|
|
return DeclarativeChart::AllAnimations;
|
|
|
else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations))
|
|
|
return DeclarativeChart::GridAxisAnimations;
|
|
|
else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations))
|
|
|
return DeclarativeChart::SeriesAnimations;
|
|
|
else
|
|
|
return DeclarativeChart::NoAnimation;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAnimationDuration(int msecs)
|
|
|
{
|
|
|
if (msecs != m_chart->animationDuration()) {
|
|
|
m_chart->setAnimationDuration(msecs);
|
|
|
emit animationDurationChanged(msecs);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
int DeclarativeChart::animationDuration() const
|
|
|
{
|
|
|
return m_chart->animationDuration();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAnimationEasingCurve(const QEasingCurve &curve)
|
|
|
{
|
|
|
if (curve != m_chart->animationEasingCurve()) {
|
|
|
m_chart->setAnimationEasingCurve(curve);
|
|
|
emit animationEasingCurveChanged(curve);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QEasingCurve DeclarativeChart::animationEasingCurve() const
|
|
|
{
|
|
|
return m_chart->animationEasingCurve();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTitle(QString title)
|
|
|
{
|
|
|
if (title != m_chart->title())
|
|
|
m_chart->setTitle(title);
|
|
|
}
|
|
|
QString DeclarativeChart::title()
|
|
|
{
|
|
|
return m_chart->title();
|
|
|
}
|
|
|
|
|
|
QAbstractAxis *DeclarativeChart::axisX(QAbstractSeries *series)
|
|
|
{
|
|
|
QList<QAbstractAxis *> axes = m_chart->axes(Qt::Horizontal, series);
|
|
|
if (axes.count())
|
|
|
return axes[0];
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractAxis *DeclarativeChart::axisY(QAbstractSeries *series)
|
|
|
{
|
|
|
QList<QAbstractAxis *> axes = m_chart->axes(Qt::Vertical, series);
|
|
|
if (axes.count())
|
|
|
return axes[0];
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QLegend *DeclarativeChart::legend()
|
|
|
{
|
|
|
return m_chart->legend();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTitleColor(QColor color)
|
|
|
{
|
|
|
QBrush b = m_chart->titleBrush();
|
|
|
if (color != b.color()) {
|
|
|
b.setColor(color);
|
|
|
m_chart->setTitleBrush(b);
|
|
|
emit titleColorChanged(color);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QFont DeclarativeChart::titleFont() const
|
|
|
{
|
|
|
return m_chart->titleFont();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTitleFont(const QFont &font)
|
|
|
{
|
|
|
m_chart->setTitleFont(font);
|
|
|
}
|
|
|
|
|
|
QColor DeclarativeChart::titleColor()
|
|
|
{
|
|
|
return m_chart->titleBrush().color();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setBackgroundColor(QColor color)
|
|
|
{
|
|
|
QBrush b = m_chart->backgroundBrush();
|
|
|
if (b.style() != Qt::SolidPattern || color != b.color()) {
|
|
|
if (color.alpha() < 0xff)
|
|
|
m_sceneImageNeedsClear = true;
|
|
|
b.setStyle(Qt::SolidPattern);
|
|
|
b.setColor(color);
|
|
|
m_chart->setBackgroundBrush(b);
|
|
|
emit backgroundColorChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QColor DeclarativeChart::backgroundColor()
|
|
|
{
|
|
|
return m_chart->backgroundBrush().color();
|
|
|
}
|
|
|
|
|
|
void QtCharts::DeclarativeChart::setPlotAreaColor(QColor color)
|
|
|
{
|
|
|
QBrush b = m_chart->plotAreaBackgroundBrush();
|
|
|
if (b.style() != Qt::SolidPattern || color != b.color()) {
|
|
|
b.setStyle(Qt::SolidPattern);
|
|
|
b.setColor(color);
|
|
|
m_chart->setPlotAreaBackgroundBrush(b);
|
|
|
m_chart->setPlotAreaBackgroundVisible(true);
|
|
|
emit plotAreaColorChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QColor QtCharts::DeclarativeChart::plotAreaColor()
|
|
|
{
|
|
|
return m_chart->plotAreaBackgroundBrush().color();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setLocalizeNumbers(bool localize)
|
|
|
{
|
|
|
if (m_chart->localizeNumbers() != localize) {
|
|
|
m_chart->setLocalizeNumbers(localize);
|
|
|
emit localizeNumbersChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool DeclarativeChart::localizeNumbers() const
|
|
|
{
|
|
|
return m_chart->localizeNumbers();
|
|
|
}
|
|
|
|
|
|
void QtCharts::DeclarativeChart::setLocale(const QLocale &locale)
|
|
|
{
|
|
|
if (m_chart->locale() != locale) {
|
|
|
m_chart->setLocale(locale);
|
|
|
emit localeChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QLocale QtCharts::DeclarativeChart::locale() const
|
|
|
{
|
|
|
return m_chart->locale();
|
|
|
}
|
|
|
|
|
|
int DeclarativeChart::count()
|
|
|
{
|
|
|
return m_chart->series().count();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setDropShadowEnabled(bool enabled)
|
|
|
{
|
|
|
if (enabled != m_chart->isDropShadowEnabled()) {
|
|
|
m_sceneImageNeedsClear = true;
|
|
|
m_chart->setDropShadowEnabled(enabled);
|
|
|
dropShadowEnabledChanged(enabled);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool DeclarativeChart::dropShadowEnabled()
|
|
|
{
|
|
|
return m_chart->isDropShadowEnabled();
|
|
|
}
|
|
|
|
|
|
qreal DeclarativeChart::backgroundRoundness() const
|
|
|
{
|
|
|
return m_chart->backgroundRoundness();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setBackgroundRoundness(qreal diameter)
|
|
|
{
|
|
|
if (m_chart->backgroundRoundness() != diameter) {
|
|
|
m_sceneImageNeedsClear = true;
|
|
|
m_chart->setBackgroundRoundness(diameter);
|
|
|
emit backgroundRoundnessChanged(diameter);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoom(qreal factor)
|
|
|
{
|
|
|
m_chart->zoom(factor);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoomIn()
|
|
|
{
|
|
|
m_chart->zoomIn();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoomIn(const QRectF &rectangle)
|
|
|
{
|
|
|
m_chart->zoomIn(rectangle);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoomOut()
|
|
|
{
|
|
|
m_chart->zoomOut();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoomReset()
|
|
|
{
|
|
|
m_chart->zoomReset();
|
|
|
}
|
|
|
|
|
|
bool DeclarativeChart::isZoomed()
|
|
|
{
|
|
|
return m_chart->isZoomed();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollLeft(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(-pixels, 0);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollRight(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(pixels, 0);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollUp(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(0, pixels);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollDown(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(0, -pixels);
|
|
|
}
|
|
|
|
|
|
QQmlListProperty<QAbstractAxis> DeclarativeChart::axes()
|
|
|
{
|
|
|
return QQmlListProperty<QAbstractAxis>(this, 0,
|
|
|
&DeclarativeChart::axesAppendFunc,
|
|
|
&DeclarativeChart::axesCountFunc,
|
|
|
&DeclarativeChart::axesAtFunc,
|
|
|
&DeclarativeChart::axesClearFunc);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::axesAppendFunc(QQmlListProperty<QAbstractAxis> *list, QAbstractAxis *element)
|
|
|
{
|
|
|
// Empty implementation
|
|
|
Q_UNUSED(list);
|
|
|
Q_UNUSED(element);
|
|
|
}
|
|
|
|
|
|
int DeclarativeChart::axesCountFunc(QQmlListProperty<QAbstractAxis> *list)
|
|
|
{
|
|
|
if (qobject_cast<DeclarativeChart *>(list->object)) {
|
|
|
DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object);
|
|
|
return chart->m_chart->axes(Qt::Horizontal | Qt::Vertical).count();
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractAxis *DeclarativeChart::axesAtFunc(QQmlListProperty<QAbstractAxis> *list, int index)
|
|
|
{
|
|
|
if (qobject_cast<DeclarativeChart *>(list->object)) {
|
|
|
DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object);
|
|
|
QList<QAbstractAxis *> axes = chart->m_chart->axes(Qt::Horizontal | Qt::Vertical, chart->m_chart->series()[0]);
|
|
|
return axes.at(index);
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::axesClearFunc(QQmlListProperty<QAbstractAxis> *list)
|
|
|
{
|
|
|
// Empty implementation
|
|
|
Q_UNUSED(list);
|
|
|
}
|
|
|
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::series(int index)
|
|
|
{
|
|
|
if (index < m_chart->series().count()) {
|
|
|
return m_chart->series().at(index);
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::series(QString seriesName)
|
|
|
{
|
|
|
foreach (QAbstractSeries *series, m_chart->series()) {
|
|
|
if (series->name() == seriesName)
|
|
|
return series;
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::createSeries(int type, QString name, QAbstractAxis *axisX, QAbstractAxis *axisY)
|
|
|
{
|
|
|
QAbstractSeries *series = 0;
|
|
|
|
|
|
switch (type) {
|
|
|
case DeclarativeChart::SeriesTypeLine:
|
|
|
series = new DeclarativeLineSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeArea: {
|
|
|
DeclarativeAreaSeries *area = new DeclarativeAreaSeries();
|
|
|
DeclarativeLineSeries *line = new DeclarativeLineSeries();
|
|
|
line->setParent(area);
|
|
|
area->setUpperSeries(line);
|
|
|
series = area;
|
|
|
break;
|
|
|
}
|
|
|
case DeclarativeChart::SeriesTypeStackedBar:
|
|
|
series = new DeclarativeStackedBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypePercentBar:
|
|
|
series = new DeclarativePercentBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeBar:
|
|
|
series = new DeclarativeBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeHorizontalBar:
|
|
|
series = new DeclarativeHorizontalBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeHorizontalPercentBar:
|
|
|
series = new DeclarativeHorizontalPercentBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeHorizontalStackedBar:
|
|
|
series = new DeclarativeHorizontalStackedBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeBoxPlot:
|
|
|
series = new DeclarativeBoxPlotSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypePie:
|
|
|
series = new DeclarativePieSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeScatter:
|
|
|
series = new DeclarativeScatterSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeSpline:
|
|
|
series = new DeclarativeSplineSeries();
|
|
|
break;
|
|
|
default:
|
|
|
qWarning() << "Illegal series type";
|
|
|
}
|
|
|
|
|
|
if (series) {
|
|
|
// Connect to axis changed signals (unless this is a pie series)
|
|
|
if (!qobject_cast<DeclarativePieSeries *>(series)) {
|
|
|
connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*)));
|
|
|
connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*)));
|
|
|
connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*)));
|
|
|
connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*)));
|
|
|
}
|
|
|
|
|
|
series->setName(name);
|
|
|
m_chart->addSeries(series);
|
|
|
|
|
|
if (!axisX || !axisY)
|
|
|
initializeAxes(series);
|
|
|
|
|
|
if (axisX)
|
|
|
setAxisX(axisX, series);
|
|
|
if (axisY)
|
|
|
setAxisY(axisY, series);
|
|
|
}
|
|
|
|
|
|
return series;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::removeSeries(QAbstractSeries *series)
|
|
|
{
|
|
|
if (series)
|
|
|
m_chart->removeSeries(series);
|
|
|
else
|
|
|
qWarning("removeSeries: cannot remove null");
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAxisX(QAbstractAxis *axis, QAbstractSeries *series)
|
|
|
{
|
|
|
if (axis && series)
|
|
|
seriesAxisAttachHelper(series, axis, Qt::Horizontal, Qt::AlignBottom);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAxisY(QAbstractAxis *axis, QAbstractSeries *series)
|
|
|
{
|
|
|
if (axis && series)
|
|
|
seriesAxisAttachHelper(series, axis, Qt::Vertical, Qt::AlignLeft);
|
|
|
}
|
|
|
|
|
|
QAbstractAxis *DeclarativeChart::defaultAxis(Qt::Orientation orientation, QAbstractSeries *series)
|
|
|
{
|
|
|
if (!series) {
|
|
|
qWarning() << "No axis type defined for null series";
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
foreach (QAbstractAxis *existingAxis, m_chart->axes(orientation)) {
|
|
|
if (existingAxis->type() == series->d_ptr->defaultAxisType(orientation))
|
|
|
return existingAxis;
|
|
|
}
|
|
|
|
|
|
switch (series->d_ptr->defaultAxisType(orientation)) {
|
|
|
case QAbstractAxis::AxisTypeValue:
|
|
|
return new QValueAxis(this);
|
|
|
case QAbstractAxis::AxisTypeBarCategory:
|
|
|
return new QBarCategoryAxis(this);
|
|
|
case QAbstractAxis::AxisTypeCategory:
|
|
|
return new QCategoryAxis(this);
|
|
|
#ifndef QT_QREAL_IS_FLOAT
|
|
|
case QAbstractAxis::AxisTypeDateTime:
|
|
|
return new QDateTimeAxis(this);
|
|
|
#endif
|
|
|
case QAbstractAxis::AxisTypeLogValue:
|
|
|
return new QLogValueAxis(this);
|
|
|
default:
|
|
|
// assume AxisTypeNoAxis
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::initializeAxes(QAbstractSeries *series)
|
|
|
{
|
|
|
if (qobject_cast<DeclarativeLineSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeLineSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeScatterSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeScatterSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeSplineSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeSplineSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeAreaSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeAreaSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeStackedBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeStackedBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativePercentBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativePercentBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeHorizontalBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeHorizontalBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series)->m_axes);
|
|
|
else if (qobject_cast<DeclarativeBoxPlotSeries *>(series))
|
|
|
doInitializeAxes(series, qobject_cast<DeclarativeBoxPlotSeries *>(series)->m_axes);
|
|
|
// else: do nothing
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::doInitializeAxes(QAbstractSeries *series, DeclarativeAxes *axes)
|
|
|
{
|
|
|
qreal min;
|
|
|
qreal max;
|
|
|
// Initialize axis X
|
|
|
if (axes->axisX()) {
|
|
|
axes->emitAxisXChanged();
|
|
|
} else if (axes->axisXTop()) {
|
|
|
axes->emitAxisXTopChanged();
|
|
|
} else {
|
|
|
axes->setAxisX(defaultAxis(Qt::Horizontal, series));
|
|
|
findMinMaxForSeries(series, Qt::Horizontal, min, max);
|
|
|
axes->axisX()->setRange(min, max);
|
|
|
}
|
|
|
|
|
|
// Initialize axis Y
|
|
|
if (axes->axisY()) {
|
|
|
axes->emitAxisYChanged();
|
|
|
} else if (axes->axisYRight()) {
|
|
|
axes->emitAxisYRightChanged();
|
|
|
} else {
|
|
|
axes->setAxisY(defaultAxis(Qt::Vertical, series));
|
|
|
findMinMaxForSeries(series, Qt::Vertical, min, max);
|
|
|
axes->axisY()->setRange(min, max);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::findMinMaxForSeries(QAbstractSeries *series, Qt::Orientations orientation,
|
|
|
qreal &min, qreal &max)
|
|
|
{
|
|
|
if (!series) {
|
|
|
min = 0.5;
|
|
|
max = 0.5;
|
|
|
} else {
|
|
|
AbstractDomain *domain = series->d_ptr->domain();
|
|
|
min = (orientation == Qt::Vertical) ? domain->minY() : domain->minX();
|
|
|
max = (orientation == Qt::Vertical) ? domain->maxY() : domain->maxX();
|
|
|
|
|
|
if (min == max) {
|
|
|
min -= 0.5;
|
|
|
max += 0.5;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QPointF DeclarativeChart::mapToValue(const QPointF &position, QAbstractSeries *series)
|
|
|
{
|
|
|
return m_chart->mapToValue(position, series);
|
|
|
}
|
|
|
|
|
|
QPointF DeclarativeChart::mapToPosition(const QPointF &value, QAbstractSeries *series)
|
|
|
{
|
|
|
return m_chart->mapToPosition(value, series);
|
|
|
}
|
|
|
|
|
|
#include "moc_declarativechart.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
