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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 <QtCharts/QAbstractBarSeries>
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#include <private/qabstractbarseries_p.h>
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#include <QtCharts/QBarSet>
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#include <private/qbarset_p.h>
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#include <private/abstractdomain_p.h>
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#include <private/chartdataset_p.h>
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#include <private/charttheme_p.h>
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#include <QtCharts/QValueAxis>
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#include <QtCharts/QBarCategoryAxis>
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#include <QtCharts/QBarLegendMarker>
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#include <private/baranimation_p.h>
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#include <private/abstractbarchartitem_p.h>
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#include <private/qchart_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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/*!
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\class QAbstractBarSeries
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\inmodule Qt Charts
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\brief Series for creating a bar chart.
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QAbstractBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars to
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the position defined by data. Single bar is defined by QPointF, where x value is the x-coordinate of the bar
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and y-value is the height of the bar. The category names are ignored with this series and x-axis
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shows the x-values.
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See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart.
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\image examples_barchart.png
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\sa QBarSet, QStackedBarSeries, QPercentBarSeries
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*/
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/*!
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\qmltype AbstractBarSeries
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\instantiates QAbstractBarSeries
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\inqmlmodule QtCharts
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\inherits AbstractSeries
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\brief Series type for creating a bar chart.
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The following QML shows how to create a simple bar chart:
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\snippet qmlchart/qml/qmlchart/View6.qml 1
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\beginfloatleft
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\image examples_qmlchart6.png
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\endfloat
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\clearfloat
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*/
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/*!
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\qmlproperty AbstractAxis AbstractBarSeries::axisX
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The x axis used for the series. If you leave both axisX and axisXTop undefined, a BarCategoriesAxis is created for
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the series.
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\sa axisXTop
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*/
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/*!
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\qmlproperty AbstractAxis AbstractBarSeries::axisY
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The y axis used for the series. If you leave both axisY and axisYRight undefined, a ValueAxis is created for
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the series.
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\sa axisYRight
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*/
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/*!
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\qmlproperty AbstractAxis AbstractBarSeries::axisXTop
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The x axis used for the series, drawn on top of the chart view. Note that you can only provide either axisX or
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axisXTop, but not both.
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\sa axisX
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*/
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/*!
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\qmlproperty AbstractAxis AbstractBarSeries::axisYRight
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The y axis used for the series, drawn to the right on the chart view. Note that you can only provide either axisY
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or axisYRight, but not both.
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\sa axisY
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*/
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/*!
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\property QAbstractBarSeries::barWidth
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The width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
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is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
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is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
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Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
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\sa QBarSeries
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*/
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/*!
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\qmlproperty real AbstractBarSeries::barWidth
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The width of the bars of the series. The unit of width is the unit of x-axis. The minimum width for bars
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is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
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is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
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Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
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*/
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/*!
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\property QAbstractBarSeries::count
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Holds the number of sets in series.
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*/
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/*!
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\qmlproperty int AbstractBarSeries::count
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Holds the number of sets in series.
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*/
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/*!
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\property QAbstractBarSeries::labelsVisible
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Defines the visibility of the labels in series
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*/
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/*!
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\qmlproperty bool AbstractBarSeries::labelsVisible
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Defines the visibility of the labels in series
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*/
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/*!
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\property QAbstractBarSeries::labelsFormat
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The \a format used for showing labels in series.
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QAbstractBarSeries supports the following format tag:
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\table
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\row
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\li @value \li The value of the bar
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\endtable
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For example, the following usage of the format tags would produce labels that show the value
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followed by unit ('u'):
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\code
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series->setLabelsFormat("@value u");
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\endcode
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By default, the labels shows the value of the bar. For percent bar series '%' is added after
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the value. The labels are shown on the plot area, labels on the edge of the plot area are cut.
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If the bars are close to each other the labels may overlap.
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\sa QAbstractBarSeries::labelsVisible, QAbstractBarSeries::labelsPosition
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*/
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/*!
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\qmlproperty string AbstractBarSeries::labelsFormat
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The format used for showing labels in series.
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\sa QAbstractBarSeries::labelsFormat, labelsVisible, labelsPosition
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*/
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/*!
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\fn void QAbstractBarSeries::labelsFormatChanged(const QString &format)
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Signal is emitted when the \a format of data value labels is changed.
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*/
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/*!
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\qmlsignal XYSeries::onLabelsFormatChanged(string format)
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Signal is emitted when the \a format of data value labels is changed.
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*/
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/*!
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\enum QAbstractBarSeries::LabelsPosition
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This enum describes the position of the data value labels.
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\value LabelsCenter Label is in the center of the bar.
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\value LabelsInsideEnd Label is inside the bar at the high end of it.
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\value LabelsInsideBase Label is inside the bar at the low end of it.
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\value LabelsOutsideEnd Label is outside the bar at the high end of it.
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*/
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/*!
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\property QAbstractBarSeries::labelsPosition
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Defines the \a position of value labels.
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\sa QAbstractBarSeries::labelsVisible, QAbstractBarSeries::labelsFormat
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*/
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/*!
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\qmlproperty string AbstractBarSeries::labelsPosition
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Defines the \a position of value labels.
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\sa labelsVisible, labelsFormat
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*/
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/*!
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\fn void QAbstractBarSeries::labelsPositionChanged(QAbstractBarSeries::LabelsPosition position)
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Signal is emitted when the \a position of value labels is changed.
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*/
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/*!
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\qmlsignal AbstractBarSeries::onLabelsPositionChanged(LabelsPosition position)
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Signal is emitted when the \a position of value labels is changed.
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*/
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/*!
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\property QAbstractBarSeries::labelsAngle
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The angle of the value labels in degrees.
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*/
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/*!
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\qmlproperty qreal QAbstractBarSeries::labelsAngle
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The angle of the value labels in degrees.
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*/
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/*!
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\fn void QAbstractBarSeries::labelsAngleChanged(qreal angle)
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Signal is emitted when the \a angle of the value labels is changed.
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*/
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/*!
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\qmlsignal AbstractBarSeries::onLabelsAngleChanged(qreal angle)
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Signal is emitted when the \a angle of the value labels is changed.
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*/
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/*!
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\fn void QAbstractBarSeries::clicked(int index, QBarSet *barset)
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The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset.
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Clicked bar inside set is indexed by \a index
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*/
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/*!
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\qmlsignal AbstractBarSeries::onClicked(int index, BarSet barset)
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The signal is emitted if the user clicks with a mouse on top of BarSet.
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Clicked bar inside set is indexed by \a index
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*/
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/*!
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\fn void QAbstractBarSeries::pressed(int index, QBarSet *barset)
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The signal is emitted if the user presses with a mouse on top of QBarSet \a barset.
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Pressed bar inside set is indexed by \a index
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*/
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/*!
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\qmlsignal AbstractBarSeries::onPressed(int index, BarSet barset)
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The signal is emitted if the user presses with a mouse on top of BarSet.
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Pressed bar inside set is indexed by \a index
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*/
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/*!
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\fn void QAbstractBarSeries::released(int index, QBarSet *barset)
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The signal is emitted if the user releases with a mouse on top of QBarSet \a barset.
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Released bar inside set is indexed by \a index
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*/
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/*!
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\qmlsignal AbstractBarSeries::onReleased(int index, BarSet barset)
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The signal is emitted if the user releases with a mouse on top of BarSet.
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Released bar inside set is indexed by \a index
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*/
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/*!
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\fn void QAbstractBarSeries::doubleClicked(int index, QBarSet *barset)
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The signal is emitted if the user doubleclicks with a mouse on top of QBarSet \a barset.
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DoubleClicked bar inside set is indexed by \a index
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*/
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/*!
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\qmlsignal AbstractBarSeries::onDoubleClicked(int index, BarSet barset)
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The signal is emitted if the user doubleclicks with a mouse on top of BarSet.
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Doubleclicked bar inside set is indexed by \a index
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*/
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/*!
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\fn void QAbstractBarSeries::hovered(bool status, int index, QBarSet* barset)
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The signal is emitted if mouse is hovered on top of series.
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Parameter \a barset is the pointer of barset, where hover happened.
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Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
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Hovered bar inside the set is indexed by \a index.
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*/
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/*!
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\qmlsignal AbstractBarSeries::onHovered(bool status, int index, BarSet barset)
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The signal is emitted if mouse is hovered on top of series.
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Parameter \a barset is the pointer of barset, where hover happened.
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Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
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Hovered bar inside the set is indexed by \a index.
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*/
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/*!
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\fn void QAbstractBarSeries::countChanged()
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This signal is emitted when barset count has been changed, for example by append or remove.
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*/
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/*!
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\qmlsignal AbstractBarSeries::onCountChanged()
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This signal is emitted when barset count has been changed, for example by append or remove.
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*/
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/*!
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\fn void QAbstractBarSeries::labelsVisibleChanged()
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This signal is emitted when labels visibility have changed.
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\sa isLabelsVisible(), setLabelsVisible()
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*/
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/*!
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\fn void QAbstractBarSeries::barsetsAdded(QList<QBarSet*> sets)
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This signal is emitted when \a sets have been added to the series.
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\sa append(), insert()
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*/
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/*!
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\qmlsignal AbstractBarSeries::onBarsetsAdded(BarSet barset)
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Emitted when \a barset has been added to the series.
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*/
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/*!
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\fn void QAbstractBarSeries::barsetsRemoved(QList<QBarSet*> sets)
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This signal is emitted when \a sets have been removed from the series.
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\sa remove()
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*/
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/*!
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\qmlsignal AbstractBarSeries::onBarsetsRemoved(BarSet barset)
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Emitted when \a barset has been removed from the series.
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*/
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/*!
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\qmlmethod BarSet AbstractBarSeries::at(int index)
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Returns bar set at \a index. Returns null if the index is not valid.
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*/
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/*!
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\qmlmethod BarSet AbstractBarSeries::append(string label, VariantList values)
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Adds a new bar set with \a label and \a values to \a index. Values is a list of reals.
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For example:
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\code
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myBarSeries.append("set 1", [0, 0.2, 0.2, 0.5, 0.4, 1.5, 0.9]);
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\endcode
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*/
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/*!
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\qmlmethod BarSet AbstractBarSeries::insert(int index, string label, VariantList values)
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Inserts a new bar set with \a label and \a values to \a index. Values can be a list of reals or a list of XYPoints.
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If index is zero or smaller, the new barset is prepended. If the index is count or bigger, the new barset is
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appended.
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\sa AbstractBarSeries::append()
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*/
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/*!
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\qmlmethod bool AbstractBarSeries::remove(BarSet barset)
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Removes the barset from the series. Returns true if successful, false otherwise.
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*/
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/*!
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\qmlmethod AbstractBarSeries::clear()
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Removes all barsets from the series.
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*/
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/*!
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Destructs abstractbarseries and owned barsets.
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*/
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QAbstractBarSeries::~QAbstractBarSeries()
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{
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}
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/*!
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\internal
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*/
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QAbstractBarSeries::QAbstractBarSeries(QAbstractBarSeriesPrivate &o, QObject *parent)
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: QAbstractSeries(o, parent)
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{
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Q_D(QAbstractSeries);
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QObject::connect(this, SIGNAL(countChanged()), d, SIGNAL(countChanged()));
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}
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/*!
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Sets the width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
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is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
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is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
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Note that with \link QBarSeries \endlink this value means the width of one group of bars instead of just one bar.
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*/
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void QAbstractBarSeries::setBarWidth(qreal width)
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{
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Q_D(QAbstractBarSeries);
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d->setBarWidth(width);
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}
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/*!
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Returns the width of the bars of the series.
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\sa setBarWidth()
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*/
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qreal QAbstractBarSeries::barWidth() const
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{
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Q_D(const QAbstractBarSeries);
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return d->barWidth();
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}
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/*!
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Adds a set of bars to series. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
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Returns true, if appending succeeded.
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*/
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bool QAbstractBarSeries::append(QBarSet *set)
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{
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Q_D(QAbstractBarSeries);
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bool success = d->append(set);
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if (success) {
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QList<QBarSet *> sets;
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sets.append(set);
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set->setParent(this);
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emit barsetsAdded(sets);
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emit countChanged();
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}
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return success;
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}
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/*!
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Removes barset from series. Releases ownership of \a set. Deletes the set, if remove
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was successful.
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Returns true, if set was removed.
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*/
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bool QAbstractBarSeries::remove(QBarSet *set)
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{
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Q_D(QAbstractBarSeries);
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bool success = d->remove(set);
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if (success) {
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QList<QBarSet *> sets;
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sets.append(set);
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set->setParent(0);
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emit barsetsRemoved(sets);
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emit countChanged();
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delete set;
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set = 0;
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}
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return success;
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}
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/*!
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Takes a single \a set from the series. Does not delete the barset object.
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|
|
NOTE: The series remains as the barset's parent object. You must set the
|
|
|
parent object to take full ownership.
|
|
|
|
|
|
Returns true if take was successful.
|
|
|
*/
|
|
|
bool QAbstractBarSeries::take(QBarSet *set)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
bool success = d->remove(set);
|
|
|
if (success) {
|
|
|
QList<QBarSet *> sets;
|
|
|
sets.append(set);
|
|
|
emit barsetsRemoved(sets);
|
|
|
emit countChanged();
|
|
|
}
|
|
|
return success;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Adds a list of barsets to series. Takes ownership of \a sets.
|
|
|
Returns true, if all sets were appended successfully. If any of the sets is null or is already appended to series,
|
|
|
nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended
|
|
|
and function returns false.
|
|
|
*/
|
|
|
bool QAbstractBarSeries::append(QList<QBarSet *> sets)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
bool success = d->append(sets);
|
|
|
if (success) {
|
|
|
foreach (QBarSet *set, sets)
|
|
|
set->setParent(this);
|
|
|
emit barsetsAdded(sets);
|
|
|
emit countChanged();
|
|
|
}
|
|
|
return success;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Insert a set of bars to series at \a index postion. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
|
|
|
Returns true, if inserting succeeded.
|
|
|
|
|
|
*/
|
|
|
bool QAbstractBarSeries::insert(int index, QBarSet *set)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
bool success = d->insert(index, set);
|
|
|
if (success) {
|
|
|
QList<QBarSet *> sets;
|
|
|
sets.append(set);
|
|
|
emit barsetsAdded(sets);
|
|
|
emit countChanged();
|
|
|
}
|
|
|
return success;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Removes all barsets from the series. Deletes removed sets.
|
|
|
*/
|
|
|
void QAbstractBarSeries::clear()
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
QList<QBarSet *> sets = barSets();
|
|
|
bool success = d->remove(sets);
|
|
|
if (success) {
|
|
|
emit barsetsRemoved(sets);
|
|
|
emit countChanged();
|
|
|
foreach (QBarSet *set, sets)
|
|
|
delete set;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns number of sets in series.
|
|
|
*/
|
|
|
int QAbstractBarSeries::count() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_barSets.count();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns a list of sets in series. Keeps ownership of sets.
|
|
|
*/
|
|
|
QList<QBarSet *> QAbstractBarSeries::barSets() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_barSets;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets the visibility of labels in series to \a visible
|
|
|
*/
|
|
|
void QAbstractBarSeries::setLabelsVisible(bool visible)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
if (d->m_labelsVisible != visible) {
|
|
|
d->setLabelsVisible(visible);
|
|
|
emit labelsVisibleChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns the visibility of labels
|
|
|
*/
|
|
|
bool QAbstractBarSeries::isLabelsVisible() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_labelsVisible;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeries::setLabelsFormat(const QString &format)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
if (d->m_labelsFormat != format) {
|
|
|
d->m_labelsFormat = format;
|
|
|
emit labelsFormatChanged(format);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QString QAbstractBarSeries::labelsFormat() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_labelsFormat;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeries::setLabelsAngle(qreal angle)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
if (d->m_labelsAngle != angle) {
|
|
|
d->m_labelsAngle = angle;
|
|
|
emit labelsAngleChanged(angle);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeries::labelsAngle() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_labelsAngle;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeries::setLabelsPosition(QAbstractBarSeries::LabelsPosition position)
|
|
|
{
|
|
|
Q_D(QAbstractBarSeries);
|
|
|
if (d->m_labelsPosition != position) {
|
|
|
d->m_labelsPosition = position;
|
|
|
emit labelsPositionChanged(position);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QAbstractBarSeries::LabelsPosition QAbstractBarSeries::labelsPosition() const
|
|
|
{
|
|
|
Q_D(const QAbstractBarSeries);
|
|
|
return d->m_labelsPosition;
|
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
QAbstractBarSeriesPrivate::QAbstractBarSeriesPrivate(QAbstractBarSeries *q) :
|
|
|
QAbstractSeriesPrivate(q),
|
|
|
m_barWidth(0.5), // Default value is 50% of category width
|
|
|
m_labelsVisible(false),
|
|
|
m_visible(true),
|
|
|
m_blockBarUpdate(false),
|
|
|
m_labelsFormat(),
|
|
|
m_labelsPosition(QAbstractBarSeries::LabelsCenter),
|
|
|
m_labelsAngle(0)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
int QAbstractBarSeriesPrivate::categoryCount() const
|
|
|
{
|
|
|
// No categories defined. return count of longest set.
|
|
|
int count = 0;
|
|
|
for (int i = 0; i < m_barSets.count(); i++) {
|
|
|
if (m_barSets.at(i)->count() > count)
|
|
|
count = m_barSets.at(i)->count();
|
|
|
}
|
|
|
|
|
|
return count;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::setBarWidth(qreal width)
|
|
|
{
|
|
|
if (width < 0.0)
|
|
|
width = 0.0;
|
|
|
m_barWidth = width;
|
|
|
emit updatedLayout();
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::barWidth() const
|
|
|
{
|
|
|
return m_barWidth;
|
|
|
}
|
|
|
|
|
|
QBarSet *QAbstractBarSeriesPrivate::barsetAt(int index)
|
|
|
{
|
|
|
return m_barSets.at(index);
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::setVisible(bool visible)
|
|
|
{
|
|
|
m_visible = visible;
|
|
|
emit visibleChanged();
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::setLabelsVisible(bool visible)
|
|
|
{
|
|
|
m_labelsVisible = visible;
|
|
|
emit labelsVisibleChanged(visible);
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::min()
|
|
|
{
|
|
|
if (m_barSets.count() <= 0)
|
|
|
return 0;
|
|
|
|
|
|
qreal min = INT_MAX;
|
|
|
|
|
|
for (int i = 0; i < m_barSets.count(); i++) {
|
|
|
int categoryCount = m_barSets.at(i)->count();
|
|
|
for (int j = 0; j < categoryCount; j++) {
|
|
|
qreal temp = m_barSets.at(i)->at(j);
|
|
|
if (temp < min)
|
|
|
min = temp;
|
|
|
}
|
|
|
}
|
|
|
return min;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::max()
|
|
|
{
|
|
|
if (m_barSets.count() <= 0)
|
|
|
return 0;
|
|
|
|
|
|
qreal max = INT_MIN;
|
|
|
|
|
|
for (int i = 0; i < m_barSets.count(); i++) {
|
|
|
int categoryCount = m_barSets.at(i)->count();
|
|
|
for (int j = 0; j < categoryCount; j++) {
|
|
|
qreal temp = m_barSets.at(i)->at(j);
|
|
|
if (temp > max)
|
|
|
max = temp;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::valueAt(int set, int category)
|
|
|
{
|
|
|
if ((set < 0) || (set >= m_barSets.count()))
|
|
|
return 0; // No set, no value.
|
|
|
else if ((category < 0) || (category >= m_barSets.at(set)->count()))
|
|
|
return 0; // No category, no value.
|
|
|
|
|
|
return m_barSets.at(set)->at(category);
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::percentageAt(int set, int category)
|
|
|
{
|
|
|
if ((set < 0) || (set >= m_barSets.count()))
|
|
|
return 0; // No set, no value.
|
|
|
else if ((category < 0) || (category >= m_barSets.at(set)->count()))
|
|
|
return 0; // No category, no value.
|
|
|
|
|
|
qreal value = m_barSets.at(set)->at(category);
|
|
|
qreal sum = categorySum(category);
|
|
|
if (qFuzzyCompare(sum, 0))
|
|
|
return 0;
|
|
|
|
|
|
return value / sum;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::categorySum(int category)
|
|
|
{
|
|
|
qreal sum(0);
|
|
|
int count = m_barSets.count(); // Count sets
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_barSets.at(set)->count())
|
|
|
sum += m_barSets.at(set)->at(category);
|
|
|
}
|
|
|
return sum;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::absoluteCategorySum(int category)
|
|
|
{
|
|
|
qreal sum(0);
|
|
|
int count = m_barSets.count(); // Count sets
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_barSets.at(set)->count())
|
|
|
sum += qAbs(m_barSets.at(set)->at(category));
|
|
|
}
|
|
|
return sum;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::maxCategorySum()
|
|
|
{
|
|
|
qreal max = INT_MIN;
|
|
|
int count = categoryCount();
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
qreal sum = categorySum(i);
|
|
|
if (sum > max)
|
|
|
max = sum;
|
|
|
}
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::minX()
|
|
|
{
|
|
|
if (m_barSets.count() <= 0)
|
|
|
return 0;
|
|
|
|
|
|
qreal min = INT_MAX;
|
|
|
|
|
|
for (int i = 0; i < m_barSets.count(); i++) {
|
|
|
int categoryCount = m_barSets.at(i)->count();
|
|
|
for (int j = 0; j < categoryCount; j++) {
|
|
|
qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
|
|
|
if (temp < min)
|
|
|
min = temp;
|
|
|
}
|
|
|
}
|
|
|
return min;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::maxX()
|
|
|
{
|
|
|
if (m_barSets.count() <= 0)
|
|
|
return 0;
|
|
|
|
|
|
qreal max = INT_MIN;
|
|
|
|
|
|
for (int i = 0; i < m_barSets.count(); i++) {
|
|
|
int categoryCount = m_barSets.at(i)->count();
|
|
|
for (int j = 0; j < categoryCount; j++) {
|
|
|
qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
|
|
|
if (temp > max)
|
|
|
max = temp;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::categoryTop(int category)
|
|
|
{
|
|
|
// Returns top (sum of all positive values) of category.
|
|
|
// Returns 0, if all values are negative
|
|
|
qreal top(0);
|
|
|
int count = m_barSets.count();
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_barSets.at(set)->count()) {
|
|
|
qreal temp = m_barSets.at(set)->at(category);
|
|
|
if (temp > 0) {
|
|
|
top += temp;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return top;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::categoryBottom(int category)
|
|
|
{
|
|
|
// Returns bottom (sum of all negative values) of category
|
|
|
// Returns 0, if all values are positive
|
|
|
qreal bottom(0);
|
|
|
int count = m_barSets.count();
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_barSets.at(set)->count()) {
|
|
|
qreal temp = m_barSets.at(set)->at(category);
|
|
|
if (temp < 0) {
|
|
|
bottom += temp;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return bottom;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::top()
|
|
|
{
|
|
|
// Returns top of all categories
|
|
|
qreal top(0);
|
|
|
int count = categoryCount();
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
qreal temp = categoryTop(i);
|
|
|
if (temp > top)
|
|
|
top = temp;
|
|
|
}
|
|
|
return top;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::bottom()
|
|
|
{
|
|
|
// Returns bottom of all categories
|
|
|
qreal bottom(0);
|
|
|
int count = categoryCount();
|
|
|
for (int i = 0; i < count; i++) {
|
|
|
qreal temp = categoryBottom(i);
|
|
|
if (temp < bottom)
|
|
|
bottom = temp;
|
|
|
}
|
|
|
return bottom;
|
|
|
}
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::blockBarUpdate()
|
|
|
{
|
|
|
return m_blockBarUpdate;
|
|
|
}
|
|
|
|
|
|
qreal QAbstractBarSeriesPrivate::labelsAngle() const
|
|
|
{
|
|
|
return m_labelsAngle;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::initializeDomain()
|
|
|
{
|
|
|
qreal minX(domain()->minX());
|
|
|
qreal minY(domain()->minY());
|
|
|
qreal maxX(domain()->maxX());
|
|
|
qreal maxY(domain()->maxY());
|
|
|
|
|
|
qreal seriesMinX = this->minX();
|
|
|
qreal seriesMaxX = this->maxX();
|
|
|
qreal y = max();
|
|
|
minX = qMin(minX, seriesMinX - (qreal)0.5);
|
|
|
minY = qMin(minY, y);
|
|
|
maxX = qMax(maxX, seriesMaxX + (qreal)0.5);
|
|
|
maxY = qMax(maxY, y);
|
|
|
|
|
|
domain()->setRange(minX, maxX, minY, maxY);
|
|
|
}
|
|
|
|
|
|
QList<QLegendMarker*> QAbstractBarSeriesPrivate::createLegendMarkers(QLegend* legend)
|
|
|
{
|
|
|
Q_Q(QAbstractBarSeries);
|
|
|
QList<QLegendMarker*> markers;
|
|
|
|
|
|
foreach(QBarSet* set, q->barSets()) {
|
|
|
QBarLegendMarker* marker = new QBarLegendMarker(q,set,legend);
|
|
|
markers << marker;
|
|
|
}
|
|
|
return markers;
|
|
|
}
|
|
|
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::append(QBarSet *set)
|
|
|
{
|
|
|
if ((m_barSets.contains(set)) || (set == 0))
|
|
|
return false; // Fail if set is already in list or set is null.
|
|
|
|
|
|
m_barSets.append(set);
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
|
|
|
|
|
|
emit restructuredBars(); // this notifies barchartitem
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::remove(QBarSet *set)
|
|
|
{
|
|
|
if (!m_barSets.contains(set))
|
|
|
return false; // Fail if set is not in list
|
|
|
|
|
|
m_barSets.removeOne(set);
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
|
|
|
|
|
|
emit restructuredBars(); // this notifies barchartitem
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::append(QList<QBarSet * > sets)
|
|
|
{
|
|
|
foreach (QBarSet *set, sets) {
|
|
|
if ((set == 0) || (m_barSets.contains(set)))
|
|
|
return false; // Fail if any of the sets is null or is already appended.
|
|
|
if (sets.count(set) != 1)
|
|
|
return false; // Also fail if same set is more than once in given list.
|
|
|
}
|
|
|
|
|
|
foreach (QBarSet *set, sets) {
|
|
|
m_barSets.append(set);
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
|
|
|
}
|
|
|
|
|
|
emit restructuredBars(); // this notifies barchartitem
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::remove(QList<QBarSet * > sets)
|
|
|
{
|
|
|
if (sets.count() == 0)
|
|
|
return false;
|
|
|
|
|
|
foreach (QBarSet *set, sets) {
|
|
|
if ((set == 0) || (!m_barSets.contains(set)))
|
|
|
return false; // Fail if any of the sets is null or is not in series
|
|
|
if (sets.count(set) != 1)
|
|
|
return false; // Also fail if same set is more than once in given list.
|
|
|
}
|
|
|
|
|
|
foreach (QBarSet *set, sets) {
|
|
|
m_barSets.removeOne(set);
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
|
|
|
QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
|
|
|
}
|
|
|
|
|
|
emit restructuredBars(); // this notifies barchartitem
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool QAbstractBarSeriesPrivate::insert(int index, QBarSet *set)
|
|
|
{
|
|
|
if ((m_barSets.contains(set)) || (set == 0))
|
|
|
return false; // Fail if set is already in list or set is null.
|
|
|
|
|
|
m_barSets.insert(index, set);
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
|
|
|
QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
|
|
|
|
|
|
emit restructuredBars(); // this notifies barchartitem
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::initializeAxes()
|
|
|
{
|
|
|
Q_Q(QAbstractBarSeries);
|
|
|
|
|
|
foreach(QAbstractAxis* axis, m_axes) {
|
|
|
|
|
|
if (axis->type() == QAbstractAxis::AxisTypeBarCategory) {
|
|
|
switch (q->type()) {
|
|
|
case QAbstractSeries::SeriesTypeHorizontalBar:
|
|
|
case QAbstractSeries::SeriesTypeHorizontalPercentBar:
|
|
|
case QAbstractSeries::SeriesTypeHorizontalStackedBar:
|
|
|
if (axis->orientation() == Qt::Vertical)
|
|
|
populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
|
|
|
break;
|
|
|
case QAbstractSeries::SeriesTypeBar:
|
|
|
case QAbstractSeries::SeriesTypePercentBar:
|
|
|
case QAbstractSeries::SeriesTypeStackedBar:
|
|
|
case QAbstractSeries::SeriesTypeBoxPlot:
|
|
|
if (axis->orientation() == Qt::Horizontal)
|
|
|
populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
|
|
|
break;
|
|
|
default:
|
|
|
qWarning() << "Unexpected series type";
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QAbstractAxis::AxisType QAbstractBarSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
|
|
|
{
|
|
|
Q_Q(const QAbstractBarSeries);
|
|
|
|
|
|
switch (q->type()) {
|
|
|
case QAbstractSeries::SeriesTypeHorizontalBar:
|
|
|
case QAbstractSeries::SeriesTypeHorizontalPercentBar:
|
|
|
case QAbstractSeries::SeriesTypeHorizontalStackedBar:
|
|
|
if (orientation == Qt::Vertical)
|
|
|
return QAbstractAxis::AxisTypeBarCategory;
|
|
|
break;
|
|
|
case QAbstractSeries::SeriesTypeBar:
|
|
|
case QAbstractSeries::SeriesTypePercentBar:
|
|
|
case QAbstractSeries::SeriesTypeStackedBar:
|
|
|
case QAbstractSeries::SeriesTypeBoxPlot:
|
|
|
if (orientation == Qt::Horizontal)
|
|
|
return QAbstractAxis::AxisTypeBarCategory;
|
|
|
break;
|
|
|
default:
|
|
|
qWarning() << "Unexpected series type";
|
|
|
break;
|
|
|
}
|
|
|
return QAbstractAxis::AxisTypeValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::populateCategories(QBarCategoryAxis *axis)
|
|
|
{
|
|
|
QStringList categories;
|
|
|
if (axis->categories().isEmpty()) {
|
|
|
for (int i(1); i < categoryCount() + 1; i++)
|
|
|
categories << presenter()->numberToString(i);
|
|
|
axis->append(categories);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QAbstractAxis* QAbstractBarSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
|
|
|
{
|
|
|
if (defaultAxisType(orientation) == QAbstractAxis::AxisTypeBarCategory)
|
|
|
return new QBarCategoryAxis;
|
|
|
else
|
|
|
return new QValueAxis;
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::initializeTheme(int index, ChartTheme* theme, bool forced)
|
|
|
{
|
|
|
m_blockBarUpdate = true; // Ensures that the bars are not updated before the theme is ready
|
|
|
|
|
|
const QList<QGradient> gradients = theme->seriesGradients();
|
|
|
|
|
|
qreal takeAtPos = 0.5;
|
|
|
qreal step = 0.2;
|
|
|
if (m_barSets.count() > 1) {
|
|
|
step = 1.0 / (qreal) m_barSets.count();
|
|
|
if (m_barSets.count() % gradients.count())
|
|
|
step *= gradients.count();
|
|
|
else
|
|
|
step *= (gradients.count() - 1);
|
|
|
}
|
|
|
|
|
|
for (int i(0); i < m_barSets.count(); i++) {
|
|
|
int colorIndex = (index + i) % gradients.count();
|
|
|
if (i > 0 && i %gradients.count() == 0) {
|
|
|
// There is no dedicated base color for each sets, generate more colors
|
|
|
takeAtPos += step;
|
|
|
if (takeAtPos == 1.0)
|
|
|
takeAtPos += step;
|
|
|
takeAtPos -= (int) takeAtPos;
|
|
|
}
|
|
|
if (forced || QChartPrivate::defaultBrush() == m_barSets.at(i)->d_ptr->m_brush)
|
|
|
m_barSets.at(i)->setBrush(ChartThemeManager::colorAt(gradients.at(colorIndex), takeAtPos));
|
|
|
|
|
|
// Pick label color from the opposite end of the gradient.
|
|
|
// 0.3 as a boundary seems to work well.
|
|
|
if (forced || QChartPrivate::defaultBrush() == m_barSets.at(i)->d_ptr->m_labelBrush) {
|
|
|
if (takeAtPos < 0.3)
|
|
|
m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 1));
|
|
|
else
|
|
|
m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0));
|
|
|
}
|
|
|
if (forced || QChartPrivate::defaultPen() == m_barSets.at(i)->d_ptr->m_pen) {
|
|
|
QColor c = ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0.0);
|
|
|
m_barSets.at(i)->setPen(c);
|
|
|
}
|
|
|
}
|
|
|
m_blockBarUpdate = false;
|
|
|
emit updatedBars();
|
|
|
}
|
|
|
|
|
|
void QAbstractBarSeriesPrivate::initializeAnimations(QChart::AnimationOptions options, int duration,
|
|
|
QEasingCurve &curve)
|
|
|
{
|
|
|
AbstractBarChartItem *bar = static_cast<AbstractBarChartItem *>(m_item.data());
|
|
|
Q_ASSERT(bar);
|
|
|
if (bar->animation())
|
|
|
bar->animation()->stopAndDestroyLater();
|
|
|
|
|
|
if (options.testFlag(QChart::SeriesAnimations))
|
|
|
bar->setAnimation(new BarAnimation(bar, duration, curve));
|
|
|
else
|
|
|
bar->setAnimation(0);
|
|
|
QAbstractSeriesPrivate::initializeAnimations(options, duration, curve);
|
|
|
}
|
|
|
|
|
|
#include "moc_qabstractbarseries.cpp"
|
|
|
#include "moc_qabstractbarseries_p.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
