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/****************************************************************************
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/****************************************************************************
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**
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**
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** Copyright (C) 2012 Digia Plc
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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**
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** This file is part of the Qt Commercial Charts Add-on.
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** This file is part of the Qt Commercial Charts Add-on.
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**
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**
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** $QT_BEGIN_LICENSE$
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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** a written agreement between you and Digia.
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**
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**
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** If you have questions regarding the use of this file, please use
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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** $QT_END_LICENSE$
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**
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**
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****************************************************************************/
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****************************************************************************/
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#include "qlegend.h"
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#include "qlegend.h"
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#include "qlegend_p.h"
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#include "qlegend_p.h"
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#include "qabstractseries.h"
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#include "qabstractseries.h"
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#include "qabstractseries_p.h"
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#include "qabstractseries_p.h"
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#include "qchart_p.h"
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#include "qchart_p.h"
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#include "legendmarker_p.h"
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#include "legendmarker_p.h"
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#include "qxyseries.h"
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#include "qxyseries.h"
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#include "qlineseries.h"
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#include "qlineseries.h"
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#include "qareaseries.h"
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#include "qareaseries.h"
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#include "qscatterseries.h"
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#include "qscatterseries.h"
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#include "qsplineseries.h"
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#include "qsplineseries.h"
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#include "qbarseries.h"
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#include "qbarseries.h"
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#include "qstackedbarseries.h"
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#include "qstackedbarseries.h"
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#include "qpercentbarseries.h"
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#include "qpercentbarseries.h"
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#include "qbarset.h"
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#include "qbarset.h"
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#include "qpieseries.h"
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#include "qpieseries.h"
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#include "qpieseries_p.h"
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#include "qpieseries_p.h"
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#include "qpieslice.h"
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#include "qpieslice.h"
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#include "chartpresenter_p.h"
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#include "chartpresenter_p.h"
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#include <QPainter>
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#include <QPainter>
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#include <QPen>
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#include <QPen>
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#include <QTimer>
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#include <QTimer>
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#include <QGraphicsSceneEvent>
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#include <QGraphicsSceneEvent>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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/*!
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\class QLegend
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\class QLegend
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\brief part of QtCommercial chart API.
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\brief part of QtCommercial chart API.
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\mainclass
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\mainclass
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QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when
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QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when
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series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and
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series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and
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handle the drawing manually.
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handle the drawing manually.
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User isn't supposed to create or delete legend objects, but can reference it via QChart class.
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User isn't supposed to create or delete legend objects, but can reference it via QChart class.
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\image examples_percentbarchart_legend.png
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\image examples_percentbarchart_legend.png
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\sa QChart
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\sa QChart
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*/
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*/
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/*!
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/*!
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\qmlclass Legend QLegend
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\qmlclass Legend QLegend
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\brief Legend is part of QtCommercial Chart QML API.
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\brief Legend is part of QtCommercial Chart QML API.
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Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when
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Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when
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series have been changed. Legend is referenced via ChartView class. For example:
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series have been changed. Legend is referenced via ChartView class. For example:
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\code
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\code
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ChartView {
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ChartView {
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legend.visible: true
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legend.visible: true
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legend.alignment: Qt.AlignBottom
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legend.alignment: Qt.AlignBottom
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// Add a few series...
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// Add a few series...
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}
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}
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\endcode
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\endcode
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\image examples_percentbarchart_legend.png
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\image examples_percentbarchart_legend.png
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*/
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*/
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/*!
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/*!
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\property QLegend::alignment
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\property QLegend::alignment
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\brief The alignment of the legend.
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\brief The alignment of the legend.
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Legend paints on the defined position in the chart. The following alignments are supported:
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Legend paints on the defined position in the chart. The following alignments are supported:
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Qt::AlignTop, Qt::AlignBottom, Qt::AlignLeft, Qt::AlignRight. If you set more than one flag the result is undefined.
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Qt::AlignTop, Qt::AlignBottom, Qt::AlignLeft, Qt::AlignRight. If you set more than one flag the result is undefined.
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*/
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*/
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/*!
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/*!
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\qmlproperty Qt.Alignment Legend::alignment
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\qmlproperty Qt.Alignment Legend::alignment
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\brief The alignment of the legend.
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\brief The alignment of the legend.
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Legend paints on the defined position in the chart. The following alignments are supported:
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Legend paints on the defined position in the chart. The following alignments are supported:
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Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined.
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Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined.
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*/
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*/
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/*!
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/*!
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\property QLegend::backgroundVisible
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\property QLegend::backgroundVisible
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Whether the legend background is visible or not.
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Whether the legend background is visible or not.
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*/
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*/
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/*!
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/*!
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\qmlproperty bool Legend::backgroundVisible
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\qmlproperty bool Legend::backgroundVisible
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Whether the legend background is visible or not.
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Whether the legend background is visible or not.
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*/
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*/
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/*!
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/*!
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\property QLegend::color
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\property QLegend::color
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The color of the legend, i.e. the background color.
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The color of the legend, i.e. the background color.
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*/
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*/
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/*!
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/*!
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\qmlproperty color Legend::color
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\qmlproperty color Legend::color
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The color of the legend, i.e. the background color.
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The color of the legend, i.e. the background color.
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*/
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*/
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/*!
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/*!
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\property QLegend::borderColor
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\property QLegend::borderColor
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The border color of the legend, i.e. the line color.
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The border color of the legend, i.e. the line color.
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*/
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*/
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/*!
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/*!
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\qmlproperty color Legend::borderColor
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\qmlproperty color Legend::borderColor
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The border color of the legend, i.e. the line color.
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The border color of the legend, i.e. the line color.
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*/
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*/
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/*!
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/*!
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\fn void QLegend::alignmentChanged(Qt::Alignment)
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\fn void QLegend::alignmentChanged(Qt::Alignment)
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Emitted when the \a alignment of the legend changes.
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Emitted when the \a alignment of the legend changes.
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*/
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*/
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/*!
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/*!
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\fn void QLegend::backgroundVisibleChanged(bool)
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\fn void QLegend::backgroundVisibleChanged(bool)
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The visibility of the legend background changed to \a visible.
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The visibility of the legend background changed to \a visible.
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*/
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*/
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/*!
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/*!
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\fn void QLegend::colorChanged(QColor)
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\fn void QLegend::colorChanged(QColor)
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The color of the legend background changed to \a color.
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The color of the legend background changed to \a color.
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*/
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*/
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/*!
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/*!
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\fn void QLegend::borderColorChanged(QColor)
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\fn void QLegend::borderColorChanged(QColor)
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The border color of the legend background changed to \a color.
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The border color of the legend background changed to \a color.
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*/
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*/
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/*!
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/*!
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\fn qreal QLegend::minWidth() const
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\fn qreal QLegend::minWidth() const
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Returns minimum width of the legend
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Returns minimum width of the legend
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*/
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*/
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/*!
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/*!
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\fn qreal QLegend::minHeight() const
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\fn qreal QLegend::minHeight() const
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Returns minimum height of the legend
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Returns minimum height of the legend
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*/
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*/
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/*!
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/*!
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Constructs the legend object and sets the parent to \a parent
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Constructs the legend object and sets the parent to \a parent
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*/
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*/
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QLegend::QLegend(QChart *chart):QGraphicsWidget(chart),
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QLegend::QLegend(QChart *chart):QGraphicsWidget(chart),
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d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter,chart,this))
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d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter,chart,this))
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{
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{
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setZValue(ChartPresenter::LegendZValue);
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setZValue(ChartPresenter::LegendZValue);
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setFlags(QGraphicsItem::ItemClipsChildrenToShape);
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setFlags(QGraphicsItem::ItemClipsChildrenToShape);
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesAdded(QAbstractSeries*,Domain*)),d_ptr.data(),SLOT(handleSeriesAdded(QAbstractSeries*,Domain*)));
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesAdded(QAbstractSeries*,Domain*)),d_ptr.data(),SLOT(handleSeriesAdded(QAbstractSeries*,Domain*)));
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesRemoved(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesRemoved(QAbstractSeries*)));
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesRemoved(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesRemoved(QAbstractSeries*)));
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*)));
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QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*)));
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}
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}
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/*!
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/*!
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Destroys the legend object. Legend is always owned by a QChart, so an application should never call this.
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Destroys the legend object. Legend is always owned by a QChart, so an application should never call this.
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*/
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*/
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QLegend::~QLegend()
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QLegend::~QLegend()
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{
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{
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}
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}
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/*!
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/*!
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Paints the legend to given \a painter. Paremeters \a option and \a widget arent used.
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Paints the legend to given \a painter. Paremeters \a option and \a widget arent used.
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*/
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*/
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void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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{
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Q_UNUSED(option)
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Q_UNUSED(option)
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Q_UNUSED(widget)
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Q_UNUSED(widget)
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if(!d_ptr->m_backgroundVisible) return;
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if(!d_ptr->m_backgroundVisible) return;
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painter->setOpacity(opacity());
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painter->setOpacity(opacity());
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painter->setPen(d_ptr->m_pen);
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painter->setPen(d_ptr->m_pen);
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painter->setBrush(d_ptr->m_brush);
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painter->setBrush(d_ptr->m_brush);
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painter->drawRoundRect(rect(),d_ptr->roundness(rect().width()),d_ptr->roundness(rect().height()));
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painter->drawRoundRect(rect(),d_ptr->roundness(rect().width()),d_ptr->roundness(rect().height()));
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}
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}
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/*!
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/*!
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Bounding rect of legend.
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Bounding rect of legend.
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*/
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*/
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QRectF QLegend::boundingRect() const
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|
193
|
QRectF QLegend::boundingRect() const
|
|
194
|
{
|
|
194
|
{
|
|
195
|
return d_ptr->m_rect;
|
|
195
|
return d_ptr->m_rect;
|
|
196
|
}
|
|
196
|
}
|
|
197
|
|
|
197
|
|
|
198
|
/*!
|
|
198
|
/*!
|
|
199
|
Sets the \a brush of legend. Brush affects the background of legend.
|
|
199
|
Sets the \a brush of legend. Brush affects the background of legend.
|
|
200
|
*/
|
|
200
|
*/
|
|
201
|
void QLegend::setBrush(const QBrush &brush)
|
|
201
|
void QLegend::setBrush(const QBrush &brush)
|
|
202
|
{
|
|
202
|
{
|
|
203
|
if (d_ptr->m_brush != brush) {
|
|
203
|
if (d_ptr->m_brush != brush) {
|
|
204
|
d_ptr->m_brush = brush;
|
|
204
|
d_ptr->m_brush = brush;
|
|
205
|
update();
|
|
205
|
update();
|
|
206
|
}
|
|
206
|
}
|
|
207
|
}
|
|
207
|
}
|
|
208
|
|
|
208
|
|
|
209
|
/*!
|
|
209
|
/*!
|
|
210
|
Returns the brush used by legend.
|
|
210
|
Returns the brush used by legend.
|
|
211
|
*/
|
|
211
|
*/
|
|
212
|
QBrush QLegend::brush() const
|
|
212
|
QBrush QLegend::brush() const
|
|
213
|
{
|
|
213
|
{
|
|
214
|
return d_ptr->m_brush;
|
|
214
|
return d_ptr->m_brush;
|
|
215
|
}
|
|
215
|
}
|
|
216
|
|
|
216
|
|
|
217
|
void QLegend::setColor(QColor color)
|
|
217
|
void QLegend::setColor(QColor color)
|
|
218
|
{
|
|
218
|
{
|
|
219
|
QBrush b = d_ptr->m_brush;
|
|
219
|
QBrush b = d_ptr->m_brush;
|
|
220
|
if (b.color() != color) {
|
|
220
|
if (b.color() != color) {
|
|
221
|
b.setColor(color);
|
|
221
|
b.setColor(color);
|
|
222
|
setBrush(b);
|
|
222
|
setBrush(b);
|
|
223
|
emit colorChanged(color);
|
|
223
|
emit colorChanged(color);
|
|
224
|
}
|
|
224
|
}
|
|
225
|
}
|
|
225
|
}
|
|
226
|
|
|
226
|
|
|
227
|
QColor QLegend::color()
|
|
227
|
QColor QLegend::color()
|
|
228
|
{
|
|
228
|
{
|
|
229
|
return d_ptr->m_brush.color();
|
|
229
|
return d_ptr->m_brush.color();
|
|
230
|
}
|
|
230
|
}
|
|
231
|
|
|
231
|
|
|
232
|
/*!
|
|
232
|
/*!
|
|
233
|
Sets the \a pen of legend. Pen affects the legend borders.
|
|
233
|
Sets the \a pen of legend. Pen affects the legend borders.
|
|
234
|
*/
|
|
234
|
*/
|
|
235
|
void QLegend::setPen(const QPen &pen)
|
|
235
|
void QLegend::setPen(const QPen &pen)
|
|
236
|
{
|
|
236
|
{
|
|
237
|
if (d_ptr->m_pen != pen) {
|
|
237
|
if (d_ptr->m_pen != pen) {
|
|
238
|
d_ptr->m_pen = pen;
|
|
238
|
d_ptr->m_pen = pen;
|
|
239
|
update();
|
|
239
|
update();
|
|
240
|
}
|
|
240
|
}
|
|
241
|
}
|
|
241
|
}
|
|
242
|
|
|
242
|
|
|
243
|
/*!
|
|
243
|
/*!
|
|
244
|
Returns the pen used by legend
|
|
244
|
Returns the pen used by legend
|
|
245
|
*/
|
|
245
|
*/
|
|
246
|
|
|
246
|
|
|
247
|
QPen QLegend::pen() const
|
|
247
|
QPen QLegend::pen() const
|
|
248
|
{
|
|
248
|
{
|
|
249
|
return d_ptr->m_pen;
|
|
249
|
return d_ptr->m_pen;
|
|
250
|
}
|
|
250
|
}
|
|
251
|
|
|
251
|
|
|
252
|
void QLegend::setBorderColor(QColor color)
|
|
252
|
void QLegend::setBorderColor(QColor color)
|
|
253
|
{
|
|
253
|
{
|
|
254
|
QPen p = d_ptr->m_pen;
|
|
254
|
QPen p = d_ptr->m_pen;
|
|
255
|
if (p.color() != color) {
|
|
255
|
if (p.color() != color) {
|
|
256
|
p.setColor(color);
|
|
256
|
p.setColor(color);
|
|
257
|
setPen(p);
|
|
257
|
setPen(p);
|
|
258
|
emit borderColorChanged(color);
|
|
258
|
emit borderColorChanged(color);
|
|
259
|
}
|
|
259
|
}
|
|
260
|
}
|
|
260
|
}
|
|
261
|
|
|
261
|
|
|
262
|
QColor QLegend::borderColor()
|
|
262
|
QColor QLegend::borderColor()
|
|
263
|
{
|
|
263
|
{
|
|
264
|
return d_ptr->m_pen.color();
|
|
264
|
return d_ptr->m_pen.color();
|
|
265
|
}
|
|
265
|
}
|
|
266
|
|
|
266
|
|
|
267
|
void QLegend::setAlignment(Qt::Alignment alignment)
|
|
267
|
void QLegend::setAlignment(Qt::Alignment alignment)
|
|
268
|
{
|
|
268
|
{
|
|
269
|
if(d_ptr->m_alignment!=alignment) {
|
|
269
|
if(d_ptr->m_alignment!=alignment) {
|
|
270
|
d_ptr->m_alignment = alignment;
|
|
270
|
d_ptr->m_alignment = alignment;
|
|
271
|
d_ptr->updateLayout();
|
|
271
|
d_ptr->updateLayout();
|
|
272
|
alignmentChanged(alignment);
|
|
272
|
alignmentChanged(alignment);
|
|
273
|
}
|
|
273
|
}
|
|
274
|
}
|
|
274
|
}
|
|
275
|
|
|
275
|
|
|
276
|
Qt::Alignment QLegend::alignment() const
|
|
276
|
Qt::Alignment QLegend::alignment() const
|
|
277
|
{
|
|
277
|
{
|
|
278
|
return d_ptr->m_alignment;
|
|
278
|
return d_ptr->m_alignment;
|
|
279
|
}
|
|
279
|
}
|
|
280
|
|
|
280
|
|
|
281
|
/*!
|
|
281
|
/*!
|
|
282
|
Detaches the legend from chart. Chart won't change layout of the legend.
|
|
282
|
Detaches the legend from chart. Chart won't change layout of the legend.
|
|
283
|
*/
|
|
283
|
*/
|
|
284
|
void QLegend::detachFromChart()
|
|
284
|
void QLegend::detachFromChart()
|
|
285
|
{
|
|
285
|
{
|
|
286
|
d_ptr->m_attachedToChart = false;
|
|
286
|
d_ptr->m_attachedToChart = false;
|
|
287
|
}
|
|
287
|
}
|
|
288
|
|
|
288
|
|
|
289
|
/*!
|
|
289
|
/*!
|
|
290
|
Attaches the legend to chart. Chart may change layout of the legend.
|
|
290
|
Attaches the legend to chart. Chart may change layout of the legend.
|
|
291
|
*/
|
|
291
|
*/
|
|
292
|
void QLegend::attachToChart()
|
|
292
|
void QLegend::attachToChart()
|
|
293
|
{
|
|
293
|
{
|
|
294
|
d_ptr->attachToChart();
|
|
294
|
d_ptr->attachToChart();
|
|
295
|
}
|
|
295
|
}
|
|
296
|
|
|
296
|
|
|
297
|
/*!
|
|
297
|
/*!
|
|
298
|
Returns true, if legend is attached to chart.
|
|
298
|
Returns true, if legend is attached to chart.
|
|
299
|
*/
|
|
299
|
*/
|
|
300
|
bool QLegend::isAttachedToChart()
|
|
300
|
bool QLegend::isAttachedToChart()
|
|
301
|
{
|
|
301
|
{
|
|
302
|
return d_ptr->m_attachedToChart;
|
|
302
|
return d_ptr->m_attachedToChart;
|
|
303
|
}
|
|
303
|
}
|
|
304
|
|
|
304
|
|
|
305
|
/*!
|
|
305
|
/*!
|
|
306
|
Sets the visibility of legend background to \a visible
|
|
306
|
Sets the visibility of legend background to \a visible
|
|
307
|
*/
|
|
307
|
*/
|
|
308
|
void QLegend::setBackgroundVisible(bool visible)
|
|
308
|
void QLegend::setBackgroundVisible(bool visible)
|
|
309
|
{
|
|
309
|
{
|
|
310
|
if(d_ptr->m_backgroundVisible != visible) {
|
|
310
|
if(d_ptr->m_backgroundVisible != visible) {
|
|
311
|
d_ptr->m_backgroundVisible = visible;
|
|
311
|
d_ptr->m_backgroundVisible = visible;
|
|
312
|
update();
|
|
312
|
update();
|
|
313
|
emit backgroundVisibleChanged(visible);
|
|
313
|
emit backgroundVisibleChanged(visible);
|
|
314
|
}
|
|
314
|
}
|
|
315
|
}
|
|
315
|
}
|
|
316
|
|
|
316
|
|
|
317
|
/*!
|
|
317
|
/*!
|
|
318
|
Returns the visibility of legend background
|
|
318
|
Returns the visibility of legend background
|
|
319
|
*/
|
|
319
|
*/
|
|
320
|
bool QLegend::isBackgroundVisible() const
|
|
320
|
bool QLegend::isBackgroundVisible() const
|
|
321
|
{
|
|
321
|
{
|
|
322
|
return d_ptr->m_backgroundVisible;
|
|
322
|
return d_ptr->m_backgroundVisible;
|
|
323
|
}
|
|
323
|
}
|
|
324
|
|
|
324
|
|
|
325
|
/*!
|
|
325
|
/*!
|
|
326
|
\internal \a event see QGraphicsWidget for details
|
|
326
|
\internal \a event see QGraphicsWidget for details
|
|
327
|
*/
|
|
327
|
*/
|
|
328
|
void QLegend::resizeEvent(QGraphicsSceneResizeEvent *event)
|
|
328
|
void QLegend::resizeEvent(QGraphicsSceneResizeEvent *event)
|
|
329
|
{
|
|
329
|
{
|
|
330
|
const QRectF& rect = QRectF(QPoint(0,0),event->newSize());
|
|
330
|
const QRectF& rect = QRectF(QPoint(0,0),event->newSize());
|
|
331
|
QGraphicsWidget::resizeEvent(event);
|
|
331
|
QGraphicsWidget::resizeEvent(event);
|
|
332
|
if(d_ptr->m_rect != rect) {
|
|
332
|
if(d_ptr->m_rect != rect) {
|
|
333
|
d_ptr->m_rect = rect;
|
|
333
|
d_ptr->m_rect = rect;
|
|
334
|
d_ptr->updateLayout();
|
|
334
|
d_ptr->updateLayout();
|
|
335
|
}
|
|
335
|
}
|
|
336
|
}
|
|
336
|
}
|
|
337
|
|
|
337
|
|
|
338
|
/*!
|
|
338
|
/*!
|
|
339
|
\internal \a event see QGraphicsWidget for details
|
|
339
|
\internal \a event see QGraphicsWidget for details
|
|
340
|
*/
|
|
340
|
*/
|
|
341
|
void QLegend::hideEvent(QHideEvent *event)
|
|
341
|
void QLegend::hideEvent(QHideEvent *event)
|
|
342
|
{
|
|
342
|
{
|
|
343
|
QGraphicsWidget::hideEvent(event);
|
|
343
|
QGraphicsWidget::hideEvent(event);
|
|
344
|
setEnabled(false);
|
|
344
|
setEnabled(false);
|
|
345
|
d_ptr->updateLayout();
|
|
345
|
d_ptr->updateLayout();
|
|
346
|
}
|
|
346
|
}
|
|
347
|
|
|
347
|
|
|
348
|
/*!
|
|
348
|
/*!
|
|
349
|
\internal \a event see QGraphicsWidget for details
|
|
349
|
\internal \a event see QGraphicsWidget for details
|
|
350
|
*/
|
|
350
|
*/
|
|
351
|
void QLegend::showEvent(QShowEvent *event)
|
|
351
|
void QLegend::showEvent(QShowEvent *event)
|
|
352
|
{
|
|
352
|
{
|
|
353
|
QGraphicsWidget::showEvent(event);
|
|
353
|
QGraphicsWidget::showEvent(event);
|
|
354
|
setEnabled(true);
|
|
354
|
setEnabled(true);
|
|
355
|
d_ptr->updateLayout();
|
|
355
|
d_ptr->updateLayout();
|
|
356
|
}
|
|
356
|
}
|
|
357
|
|
|
357
|
|
|
358
|
qreal QLegend::minWidth() const
|
|
358
|
qreal QLegend::minWidth() const
|
|
359
|
{
|
|
359
|
{
|
|
360
|
return d_ptr->m_minWidth;
|
|
360
|
return d_ptr->m_minWidth;
|
|
361
|
}
|
|
361
|
}
|
|
362
|
|
|
362
|
|
|
363
|
qreal QLegend::minHeight() const
|
|
363
|
qreal QLegend::minHeight() const
|
|
364
|
{
|
|
364
|
{
|
|
365
|
return d_ptr->m_minHeight;
|
|
365
|
return d_ptr->m_minHeight;
|
|
366
|
}
|
|
366
|
}
|
|
367
|
|
|
367
|
|
|
368
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
368
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
369
|
|
|
369
|
|
|
370
|
QLegendPrivate::QLegendPrivate(ChartPresenter* presenter, QChart *chart, QLegend *q):
|
|
370
|
QLegendPrivate::QLegendPrivate(ChartPresenter* presenter, QChart *chart, QLegend *q):
|
|
371
|
q_ptr(q),
|
|
371
|
q_ptr(q),
|
|
372
|
m_presenter(presenter),
|
|
372
|
m_presenter(presenter),
|
|
373
|
m_chart(chart),
|
|
373
|
m_chart(chart),
|
|
374
|
m_markers(new QGraphicsItemGroup(q)),
|
|
374
|
m_markers(new QGraphicsItemGroup(q)),
|
|
375
|
m_alignment(Qt::AlignTop),
|
|
375
|
m_alignment(Qt::AlignTop),
|
|
376
|
m_brush(QBrush()),
|
|
376
|
m_brush(QBrush()),
|
|
377
|
m_pen(QPen()),
|
|
377
|
m_pen(QPen()),
|
|
378
|
m_offsetX(0),
|
|
378
|
m_offsetX(0),
|
|
379
|
m_offsetY(0),
|
|
379
|
m_offsetY(0),
|
|
380
|
m_minWidth(0),
|
|
380
|
m_minWidth(0),
|
|
381
|
m_minHeight(0),
|
|
381
|
m_minHeight(0),
|
|
382
|
m_width(0),
|
|
382
|
m_width(0),
|
|
383
|
m_height(0),
|
|
383
|
m_height(0),
|
|
384
|
m_diameter(5),
|
|
384
|
m_diameter(5),
|
|
385
|
m_attachedToChart(true),
|
|
385
|
m_attachedToChart(true),
|
|
386
|
m_backgroundVisible(false)
|
|
386
|
m_backgroundVisible(false)
|
|
387
|
{
|
|
387
|
{
|
|
388
|
|
|
388
|
|
|
389
|
}
|
|
389
|
}
|
|
390
|
|
|
390
|
|
|
391
|
QLegendPrivate::~QLegendPrivate()
|
|
391
|
QLegendPrivate::~QLegendPrivate()
|
|
392
|
{
|
|
392
|
{
|
|
393
|
|
|
393
|
|
|
394
|
}
|
|
394
|
}
|
|
395
|
|
|
395
|
|
|
396
|
void QLegendPrivate::setOffset(qreal x, qreal y)
|
|
396
|
void QLegendPrivate::setOffset(qreal x, qreal y)
|
|
397
|
{
|
|
397
|
{
|
|
398
|
bool scrollHorizontal = true;
|
|
398
|
bool scrollHorizontal = true;
|
|
399
|
switch(m_alignment) {
|
|
399
|
switch(m_alignment) {
|
|
400
|
case Qt::AlignTop:
|
|
400
|
case Qt::AlignTop:
|
|
401
|
case Qt::AlignBottom: {
|
|
401
|
case Qt::AlignBottom: {
|
|
402
|
scrollHorizontal = true;
|
|
402
|
scrollHorizontal = true;
|
|
403
|
break;
|
|
403
|
break;
|
|
404
|
}
|
|
404
|
}
|
|
405
|
case Qt::AlignLeft:
|
|
405
|
case Qt::AlignLeft:
|
|
406
|
case Qt::AlignRight: {
|
|
406
|
case Qt::AlignRight: {
|
|
407
|
scrollHorizontal = false;
|
|
407
|
scrollHorizontal = false;
|
|
408
|
break;
|
|
408
|
break;
|
|
409
|
}
|
|
409
|
}
|
|
410
|
}
|
|
410
|
}
|
|
411
|
|
|
411
|
|
|
412
|
// If detached, the scrolling direction is vertical instead of horizontal and vice versa.
|
|
412
|
// If detached, the scrolling direction is vertical instead of horizontal and vice versa.
|
|
413
|
if (!m_attachedToChart) {
|
|
413
|
if (!m_attachedToChart) {
|
|
414
|
scrollHorizontal = !scrollHorizontal;
|
|
414
|
scrollHorizontal = !scrollHorizontal;
|
|
415
|
}
|
|
415
|
}
|
|
416
|
|
|
416
|
|
|
417
|
// Limit offset between m_minOffset and m_maxOffset
|
|
417
|
// Limit offset between m_minOffset and m_maxOffset
|
|
418
|
if (scrollHorizontal) {
|
|
418
|
if (scrollHorizontal) {
|
|
419
|
if(m_width<=m_rect.width()) return;
|
|
419
|
if(m_width<=m_rect.width()) return;
|
|
420
|
|
|
420
|
|
|
421
|
if (x != m_offsetX) {
|
|
421
|
if (x != m_offsetX) {
|
|
422
|
m_offsetX = qBound(m_minOffsetX, x, m_maxOffsetX);
|
|
422
|
m_offsetX = qBound(m_minOffsetX, x, m_maxOffsetX);
|
|
423
|
m_markers->setPos(-m_offsetX,m_rect.top());
|
|
423
|
m_markers->setPos(-m_offsetX,m_rect.top());
|
|
424
|
}
|
|
424
|
}
|
|
425
|
} else {
|
|
425
|
} else {
|
|
426
|
if(m_height<=m_rect.height()) return;
|
|
426
|
if(m_height<=m_rect.height()) return;
|
|
427
|
|
|
427
|
|
|
428
|
if (y != m_offsetY) {
|
|
428
|
if (y != m_offsetY) {
|
|
429
|
m_offsetY = qBound(m_minOffsetY, y, m_maxOffsetY);
|
|
429
|
m_offsetY = qBound(m_minOffsetY, y, m_maxOffsetY);
|
|
430
|
m_markers->setPos(m_rect.left(),-m_offsetY);
|
|
430
|
m_markers->setPos(m_rect.left(),-m_offsetY);
|
|
431
|
}
|
|
431
|
}
|
|
432
|
}
|
|
432
|
}
|
|
433
|
}
|
|
433
|
}
|
|
434
|
|
|
434
|
|
|
435
|
QPointF QLegendPrivate::offset() const
|
|
435
|
QPointF QLegendPrivate::offset() const
|
|
436
|
{
|
|
436
|
{
|
|
437
|
return QPointF(m_offsetX,m_offsetY);
|
|
437
|
return QPointF(m_offsetX,m_offsetY);
|
|
438
|
}
|
|
438
|
}
|
|
439
|
|
|
439
|
|
|
440
|
void QLegendPrivate::updateLayout()
|
|
440
|
void QLegendPrivate::updateLayout()
|
|
441
|
{
|
|
441
|
{
|
|
442
|
if (!m_attachedToChart) {
|
|
442
|
if (!m_attachedToChart) {
|
|
443
|
updateDetachedLayout();
|
|
443
|
updateDetachedLayout();
|
|
444
|
return;
|
|
444
|
return;
|
|
445
|
}
|
|
445
|
}
|
|
446
|
|
|
446
|
|
|
447
|
m_offsetX=0;
|
|
447
|
m_offsetX=0;
|
|
448
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
448
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
449
|
|
|
449
|
|
|
450
|
if(items.isEmpty()) return;
|
|
450
|
if(items.isEmpty()) return;
|
|
451
|
|
|
451
|
|
|
452
|
m_minWidth=0;
|
|
452
|
m_minWidth=0;
|
|
453
|
m_minHeight=0;
|
|
453
|
m_minHeight=0;
|
|
454
|
|
|
454
|
|
|
455
|
switch(m_alignment) {
|
|
455
|
switch(m_alignment) {
|
|
456
|
|
|
456
|
|
|
457
|
case Qt::AlignTop:
|
|
457
|
case Qt::AlignTop:
|
|
458
|
case Qt::AlignBottom: {
|
|
458
|
case Qt::AlignBottom: {
|
|
459
|
QPointF point = m_rect.topLeft();
|
|
459
|
QPointF point = m_rect.topLeft();
|
|
460
|
m_width = 0;
|
|
460
|
m_width = 0;
|
|
461
|
foreach (QGraphicsItem *item, items) {
|
|
461
|
foreach (QGraphicsItem *item, items) {
|
|
|
|
|
462
|
if (item->isVisible()) {
|
|
462
|
item->setPos(point.x(),m_rect.height()/2 -item->boundingRect().height()/2);
|
|
463
|
item->setPos(point.x(),m_rect.height()/2 -item->boundingRect().height()/2);
|
|
463
|
const QRectF& rect = item->boundingRect();
|
|
464
|
const QRectF& rect = item->boundingRect();
|
|
464
|
qreal w = rect.width();
|
|
465
|
qreal w = rect.width();
|
|
465
|
m_minWidth=qMax(m_minWidth,w);
|
|
466
|
m_minWidth=qMax(m_minWidth,w);
|
|
466
|
m_minHeight=qMax(m_minHeight,rect.height());
|
|
467
|
m_minHeight=qMax(m_minHeight,rect.height());
|
|
467
|
m_width+=w;
|
|
468
|
m_width+=w;
|
|
468
|
point.setX(point.x() + w);
|
|
469
|
point.setX(point.x() + w);
|
|
469
|
}
|
|
470
|
}
|
|
|
|
|
471
|
}
|
|
470
|
if(m_width<m_rect.width()) {
|
|
472
|
if(m_width<m_rect.width()) {
|
|
471
|
m_markers->setPos(m_rect.width()/2-m_width/2,m_rect.top());
|
|
473
|
m_markers->setPos(m_rect.width()/2-m_width/2,m_rect.top());
|
|
472
|
}
|
|
474
|
}
|
|
473
|
else {
|
|
475
|
else {
|
|
474
|
m_markers->setPos(m_rect.topLeft());
|
|
476
|
m_markers->setPos(m_rect.topLeft());
|
|
475
|
}
|
|
477
|
}
|
|
476
|
m_height=m_minHeight;
|
|
478
|
m_height=m_minHeight;
|
|
477
|
}
|
|
479
|
}
|
|
478
|
break;
|
|
480
|
break;
|
|
479
|
case Qt::AlignLeft:
|
|
481
|
case Qt::AlignLeft:
|
|
480
|
case Qt::AlignRight: {
|
|
482
|
case Qt::AlignRight: {
|
|
481
|
QPointF point = m_rect.topLeft();
|
|
483
|
QPointF point = m_rect.topLeft();
|
|
482
|
m_height = 0;
|
|
484
|
m_height = 0;
|
|
483
|
foreach (QGraphicsItem *item, items) {
|
|
485
|
foreach (QGraphicsItem *item, items) {
|
|
|
|
|
486
|
if (item->isVisible()) {
|
|
484
|
item->setPos(point);
|
|
487
|
item->setPos(point);
|
|
485
|
const QRectF& rect = item->boundingRect();
|
|
488
|
const QRectF& rect = item->boundingRect();
|
|
486
|
qreal h = rect.height();
|
|
489
|
qreal h = rect.height();
|
|
487
|
m_minWidth=qMax(m_minWidth,rect.width());
|
|
490
|
m_minWidth=qMax(m_minWidth,rect.width());
|
|
488
|
m_minHeight=qMax(m_minHeight,h);
|
|
491
|
m_minHeight=qMax(m_minHeight,h);
|
|
489
|
m_height+=h;
|
|
492
|
m_height+=h;
|
|
490
|
point.setY(point.y() + h);
|
|
493
|
point.setY(point.y() + h);
|
|
491
|
}
|
|
494
|
}
|
|
|
|
|
495
|
}
|
|
492
|
if(m_height<m_rect.height()) {
|
|
496
|
if(m_height<m_rect.height()) {
|
|
493
|
m_markers->setPos(m_rect.left(),m_rect.height()/2-m_height/2);
|
|
497
|
m_markers->setPos(m_rect.left(),m_rect.height()/2-m_height/2);
|
|
494
|
}
|
|
498
|
}
|
|
495
|
else {
|
|
499
|
else {
|
|
496
|
m_markers->setPos(m_rect.topLeft());
|
|
500
|
m_markers->setPos(m_rect.topLeft());
|
|
497
|
}
|
|
501
|
}
|
|
498
|
m_width=m_minWidth;
|
|
502
|
m_width=m_minWidth;
|
|
499
|
}
|
|
503
|
}
|
|
500
|
break;
|
|
504
|
break;
|
|
501
|
}
|
|
505
|
}
|
|
502
|
|
|
506
|
|
|
503
|
m_minOffsetX = 0;
|
|
507
|
m_minOffsetX = 0;
|
|
504
|
m_minOffsetY = 0;
|
|
508
|
m_minOffsetY = 0;
|
|
505
|
m_maxOffsetX = m_width - m_rect.width();
|
|
509
|
m_maxOffsetX = m_width - m_rect.width();
|
|
506
|
m_maxOffsetY = m_height - m_rect.height();
|
|
510
|
m_maxOffsetY = m_height - m_rect.height();
|
|
507
|
|
|
511
|
|
|
508
|
m_presenter->updateLayout();
|
|
512
|
m_presenter->updateLayout();
|
|
509
|
}
|
|
513
|
}
|
|
510
|
|
|
514
|
|
|
511
|
void QLegendPrivate::updateDetachedLayout()
|
|
515
|
void QLegendPrivate::updateDetachedLayout()
|
|
512
|
{
|
|
516
|
{
|
|
513
|
// Detached layout is different.
|
|
517
|
// Detached layout is different.
|
|
514
|
// In detached mode legend may have multiple rows and columns, so layout calculations
|
|
518
|
// In detached mode legend may have multiple rows and columns, so layout calculations
|
|
515
|
// differ a log from attached mode.
|
|
519
|
// differ a log from attached mode.
|
|
516
|
// Also the scrolling logic is bit different.
|
|
520
|
// Also the scrolling logic is bit different.
|
|
517
|
m_offsetX=0;
|
|
521
|
m_offsetX=0;
|
|
518
|
m_offsetY=0;
|
|
522
|
m_offsetY=0;
|
|
519
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
523
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
520
|
|
|
524
|
|
|
521
|
if(items.isEmpty()) return;
|
|
525
|
if(items.isEmpty()) return;
|
|
522
|
|
|
526
|
|
|
523
|
m_minWidth = 0;
|
|
527
|
m_minWidth = 0;
|
|
524
|
m_minHeight = 0;
|
|
528
|
m_minHeight = 0;
|
|
525
|
|
|
529
|
|
|
526
|
switch (m_alignment) {
|
|
530
|
switch (m_alignment) {
|
|
527
|
case Qt::AlignTop: {
|
|
531
|
case Qt::AlignTop: {
|
|
528
|
QPointF point = m_rect.topLeft();
|
|
532
|
QPointF point = m_rect.topLeft();
|
|
529
|
m_width = 0;
|
|
533
|
m_width = 0;
|
|
530
|
m_height = 0;
|
|
534
|
m_height = 0;
|
|
531
|
for (int i=0; i<items.count(); i++) {
|
|
535
|
for (int i=0; i<items.count(); i++) {
|
|
532
|
QGraphicsItem *item = items.at(i);
|
|
536
|
QGraphicsItem *item = items.at(i);
|
|
|
|
|
537
|
if (item->isVisible()) {
|
|
533
|
const QRectF& rect = item->boundingRect();
|
|
538
|
const QRectF& rect = item->boundingRect();
|
|
534
|
qreal w = rect.width();
|
|
539
|
qreal w = rect.width();
|
|
535
|
qreal h = rect.height();
|
|
540
|
qreal h = rect.height();
|
|
536
|
m_minWidth = qMax(m_minWidth,w);
|
|
541
|
m_minWidth = qMax(m_minWidth,w);
|
|
537
|
m_minHeight = qMax(m_minHeight,rect.height());
|
|
542
|
m_minHeight = qMax(m_minHeight,rect.height());
|
|
538
|
m_height = qMax(m_height,h);
|
|
543
|
m_height = qMax(m_height,h);
|
|
539
|
item->setPos(point.x(),point.y());
|
|
544
|
item->setPos(point.x(),point.y());
|
|
540
|
point.setX(point.x() + w);
|
|
545
|
point.setX(point.x() + w);
|
|
541
|
if (point.x() + w > m_rect.topLeft().x() + m_rect.width()) {
|
|
546
|
if (point.x() + w > m_rect.topLeft().x() + m_rect.width()) {
|
|
542
|
// Next item would go off rect.
|
|
547
|
// Next item would go off rect.
|
|
543
|
point.setX(m_rect.topLeft().x());
|
|
548
|
point.setX(m_rect.topLeft().x());
|
|
544
|
point.setY(point.y() + h);
|
|
549
|
point.setY(point.y() + h);
|
|
545
|
if (i+1 < items.count()) {
|
|
550
|
if (i+1 < items.count()) {
|
|
546
|
m_height += h;
|
|
551
|
m_height += h;
|
|
547
|
}
|
|
552
|
}
|
|
548
|
}
|
|
553
|
}
|
|
549
|
}
|
|
554
|
}
|
|
|
|
|
555
|
}
|
|
550
|
m_markers->setPos(m_rect.topLeft());
|
|
556
|
m_markers->setPos(m_rect.topLeft());
|
|
551
|
m_width = m_minWidth;
|
|
557
|
m_width = m_minWidth;
|
|
552
|
|
|
558
|
|
|
553
|
m_minOffsetX = 0;
|
|
559
|
m_minOffsetX = 0;
|
|
554
|
m_minOffsetY = 0;
|
|
560
|
m_minOffsetY = 0;
|
|
555
|
m_maxOffsetX = m_width - m_rect.width();
|
|
561
|
m_maxOffsetX = m_width - m_rect.width();
|
|
556
|
m_maxOffsetY = m_height - m_rect.height();
|
|
562
|
m_maxOffsetY = m_height - m_rect.height();
|
|
557
|
}
|
|
563
|
}
|
|
558
|
break;
|
|
564
|
break;
|
|
559
|
case Qt::AlignBottom: {
|
|
565
|
case Qt::AlignBottom: {
|
|
560
|
QPointF point = m_rect.bottomLeft();
|
|
566
|
QPointF point = m_rect.bottomLeft();
|
|
561
|
m_width = 0;
|
|
567
|
m_width = 0;
|
|
562
|
m_height = 0;
|
|
568
|
m_height = 0;
|
|
563
|
for (int i=0; i<items.count(); i++) {
|
|
569
|
for (int i=0; i<items.count(); i++) {
|
|
564
|
QGraphicsItem *item = items.at(i);
|
|
570
|
QGraphicsItem *item = items.at(i);
|
|
|
|
|
571
|
if (item->isVisible()) {
|
|
565
|
const QRectF& rect = item->boundingRect();
|
|
572
|
const QRectF& rect = item->boundingRect();
|
|
566
|
qreal w = rect.width();
|
|
573
|
qreal w = rect.width();
|
|
567
|
qreal h = rect.height();
|
|
574
|
qreal h = rect.height();
|
|
568
|
m_minWidth = qMax(m_minWidth,w);
|
|
575
|
m_minWidth = qMax(m_minWidth,w);
|
|
569
|
m_minHeight = qMax(m_minHeight,rect.height());
|
|
576
|
m_minHeight = qMax(m_minHeight,rect.height());
|
|
570
|
m_height = qMax(m_height,h);
|
|
577
|
m_height = qMax(m_height,h);
|
|
571
|
item->setPos(point.x(),point.y() - h);
|
|
578
|
item->setPos(point.x(),point.y() - h);
|
|
572
|
point.setX(point.x() + w);
|
|
579
|
point.setX(point.x() + w);
|
|
573
|
if (point.x() + w > m_rect.bottomLeft().x() + m_rect.width()) {
|
|
580
|
if (point.x() + w > m_rect.bottomLeft().x() + m_rect.width()) {
|
|
574
|
// Next item would go off rect.
|
|
581
|
// Next item would go off rect.
|
|
575
|
point.setX(m_rect.bottomLeft().x());
|
|
582
|
point.setX(m_rect.bottomLeft().x());
|
|
576
|
point.setY(point.y() - h);
|
|
583
|
point.setY(point.y() - h);
|
|
577
|
if (i+1 < items.count()) {
|
|
584
|
if (i+1 < items.count()) {
|
|
578
|
m_height += h;
|
|
585
|
m_height += h;
|
|
579
|
}
|
|
586
|
}
|
|
580
|
}
|
|
587
|
}
|
|
581
|
}
|
|
588
|
}
|
|
|
|
|
589
|
}
|
|
582
|
m_markers->setPos(m_rect.topLeft());
|
|
590
|
m_markers->setPos(m_rect.topLeft());
|
|
583
|
m_width = m_minWidth;
|
|
591
|
m_width = m_minWidth;
|
|
584
|
|
|
592
|
|
|
585
|
m_minOffsetX = 0;
|
|
593
|
m_minOffsetX = 0;
|
|
586
|
m_minOffsetY = qMin(m_rect.topLeft().y(), m_rect.topLeft().y() - m_height + m_rect.height());
|
|
594
|
m_minOffsetY = qMin(m_rect.topLeft().y(), m_rect.topLeft().y() - m_height + m_rect.height());
|
|
587
|
m_maxOffsetX = m_width - m_rect.width();
|
|
595
|
m_maxOffsetX = m_width - m_rect.width();
|
|
588
|
m_maxOffsetY = 0;
|
|
596
|
m_maxOffsetY = 0;
|
|
589
|
}
|
|
597
|
}
|
|
590
|
break;
|
|
598
|
break;
|
|
591
|
case Qt::AlignLeft: {
|
|
599
|
case Qt::AlignLeft: {
|
|
592
|
QPointF point = m_rect.topLeft();
|
|
600
|
QPointF point = m_rect.topLeft();
|
|
593
|
m_width = 0;
|
|
601
|
m_width = 0;
|
|
594
|
m_height = 0;
|
|
602
|
m_height = 0;
|
|
595
|
qreal maxWidth = 0;
|
|
603
|
qreal maxWidth = 0;
|
|
596
|
for (int i=0; i<items.count(); i++) {
|
|
604
|
for (int i=0; i<items.count(); i++) {
|
|
597
|
QGraphicsItem *item = items.at(i);
|
|
605
|
QGraphicsItem *item = items.at(i);
|
|
|
|
|
606
|
if (item->isVisible()) {
|
|
598
|
const QRectF& rect = item->boundingRect();
|
|
607
|
const QRectF& rect = item->boundingRect();
|
|
599
|
qreal w = rect.width();
|
|
608
|
qreal w = rect.width();
|
|
600
|
qreal h = rect.height();
|
|
609
|
qreal h = rect.height();
|
|
601
|
m_minWidth = qMax(m_minWidth,rect.width());
|
|
610
|
m_minWidth = qMax(m_minWidth,rect.width());
|
|
602
|
m_minHeight = qMax(m_minHeight,h);
|
|
611
|
m_minHeight = qMax(m_minHeight,h);
|
|
603
|
maxWidth = qMax(maxWidth,w);
|
|
612
|
maxWidth = qMax(maxWidth,w);
|
|
604
|
item->setPos(point.x(),point.y());
|
|
613
|
item->setPos(point.x(),point.y());
|
|
605
|
point.setY(point.y() + h);
|
|
614
|
point.setY(point.y() + h);
|
|
606
|
if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) {
|
|
615
|
if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) {
|
|
607
|
// Next item would go off rect.
|
|
616
|
// Next item would go off rect.
|
|
608
|
point.setX(point.x() + maxWidth);
|
|
617
|
point.setX(point.x() + maxWidth);
|
|
609
|
point.setY(m_rect.topLeft().y());
|
|
618
|
point.setY(m_rect.topLeft().y());
|
|
610
|
if (i+1 < items.count()) {
|
|
619
|
if (i+1 < items.count()) {
|
|
611
|
m_width += maxWidth;
|
|
620
|
m_width += maxWidth;
|
|
612
|
maxWidth = 0;
|
|
621
|
maxWidth = 0;
|
|
613
|
}
|
|
622
|
}
|
|
614
|
}
|
|
623
|
}
|
|
615
|
}
|
|
624
|
}
|
|
|
|
|
625
|
}
|
|
616
|
m_width += maxWidth;
|
|
626
|
m_width += maxWidth;
|
|
617
|
m_markers->setPos(m_rect.topLeft());
|
|
627
|
m_markers->setPos(m_rect.topLeft());
|
|
618
|
m_height = m_minHeight;
|
|
628
|
m_height = m_minHeight;
|
|
619
|
|
|
629
|
|
|
620
|
m_minOffsetX = 0;
|
|
630
|
m_minOffsetX = 0;
|
|
621
|
m_minOffsetY = 0;
|
|
631
|
m_minOffsetY = 0;
|
|
622
|
m_maxOffsetX = m_width - m_rect.width();
|
|
632
|
m_maxOffsetX = m_width - m_rect.width();
|
|
623
|
m_maxOffsetY = m_height - m_rect.height();
|
|
633
|
m_maxOffsetY = m_height - m_rect.height();
|
|
624
|
}
|
|
634
|
}
|
|
625
|
break;
|
|
635
|
break;
|
|
626
|
case Qt::AlignRight: {
|
|
636
|
case Qt::AlignRight: {
|
|
627
|
QPointF point = m_rect.topRight();
|
|
637
|
QPointF point = m_rect.topRight();
|
|
628
|
m_width = 0;
|
|
638
|
m_width = 0;
|
|
629
|
m_height = 0;
|
|
639
|
m_height = 0;
|
|
630
|
qreal maxWidth = 0;
|
|
640
|
qreal maxWidth = 0;
|
|
631
|
for (int i=0; i<items.count(); i++) {
|
|
641
|
for (int i=0; i<items.count(); i++) {
|
|
632
|
QGraphicsItem *item = items.at(i);
|
|
642
|
QGraphicsItem *item = items.at(i);
|
|
|
|
|
643
|
if (item->isVisible()) {
|
|
633
|
const QRectF& rect = item->boundingRect();
|
|
644
|
const QRectF& rect = item->boundingRect();
|
|
634
|
qreal w = rect.width();
|
|
645
|
qreal w = rect.width();
|
|
635
|
qreal h = rect.height();
|
|
646
|
qreal h = rect.height();
|
|
636
|
m_minWidth = qMax(m_minWidth,rect.width());
|
|
647
|
m_minWidth = qMax(m_minWidth,rect.width());
|
|
637
|
m_minHeight = qMax(m_minHeight,h);
|
|
648
|
m_minHeight = qMax(m_minHeight,h);
|
|
638
|
maxWidth = qMax(maxWidth,w);
|
|
649
|
maxWidth = qMax(maxWidth,w);
|
|
639
|
item->setPos(point.x() - w,point.y());
|
|
650
|
item->setPos(point.x() - w,point.y());
|
|
640
|
point.setY(point.y() + h);
|
|
651
|
point.setY(point.y() + h);
|
|
641
|
if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) {
|
|
652
|
if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) {
|
|
642
|
// Next item would go off rect.
|
|
653
|
// Next item would go off rect.
|
|
643
|
point.setX(point.x() - maxWidth);
|
|
654
|
point.setX(point.x() - maxWidth);
|
|
644
|
point.setY(m_rect.topLeft().y());
|
|
655
|
point.setY(m_rect.topLeft().y());
|
|
645
|
if (i+1 < items.count()) {
|
|
656
|
if (i+1 < items.count()) {
|
|
646
|
m_width += maxWidth;
|
|
657
|
m_width += maxWidth;
|
|
647
|
maxWidth = 0;
|
|
658
|
maxWidth = 0;
|
|
648
|
}
|
|
659
|
}
|
|
649
|
}
|
|
660
|
}
|
|
650
|
}
|
|
661
|
}
|
|
|
|
|
662
|
}
|
|
651
|
m_width += maxWidth;
|
|
663
|
m_width += maxWidth;
|
|
652
|
m_markers->setPos(m_rect.topLeft());
|
|
664
|
m_markers->setPos(m_rect.topLeft());
|
|
653
|
m_height = m_minHeight;
|
|
665
|
m_height = m_minHeight;
|
|
654
|
|
|
666
|
|
|
655
|
m_minOffsetX = qMin(m_rect.topLeft().x(), m_rect.topLeft().x() - m_width + m_rect.width());
|
|
667
|
m_minOffsetX = qMin(m_rect.topLeft().x(), m_rect.topLeft().x() - m_width + m_rect.width());
|
|
656
|
m_minOffsetY = 0;
|
|
668
|
m_minOffsetY = 0;
|
|
657
|
m_maxOffsetX = 0;
|
|
669
|
m_maxOffsetX = 0;
|
|
658
|
m_maxOffsetY = m_height - m_rect.height();
|
|
670
|
m_maxOffsetY = m_height - m_rect.height();
|
|
659
|
}
|
|
671
|
}
|
|
660
|
break;
|
|
672
|
break;
|
|
661
|
default:
|
|
673
|
default:
|
|
662
|
break;
|
|
674
|
break;
|
|
663
|
}
|
|
675
|
}
|
|
664
|
}
|
|
676
|
}
|
|
665
|
|
|
677
|
|
|
666
|
void QLegendPrivate::attachToChart()
|
|
678
|
void QLegendPrivate::attachToChart()
|
|
667
|
{
|
|
679
|
{
|
|
668
|
m_attachedToChart = true;
|
|
680
|
m_attachedToChart = true;
|
|
669
|
q_ptr->setParent(m_chart);
|
|
681
|
q_ptr->setParent(m_chart);
|
|
670
|
}
|
|
682
|
}
|
|
671
|
|
|
683
|
|
|
672
|
int QLegendPrivate::roundness(qreal size)
|
|
684
|
int QLegendPrivate::roundness(qreal size)
|
|
673
|
{
|
|
685
|
{
|
|
674
|
return 100*m_diameter/int(size);
|
|
686
|
return 100*m_diameter/int(size);
|
|
675
|
}
|
|
687
|
}
|
|
676
|
|
|
688
|
|
|
677
|
void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain)
|
|
689
|
void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain)
|
|
678
|
{
|
|
690
|
{
|
|
679
|
Q_UNUSED(domain)
|
|
691
|
Q_UNUSED(domain)
|
|
680
|
|
|
692
|
|
|
681
|
QList<LegendMarker*> markers = series->d_ptr->createLegendMarker(q_ptr);
|
|
693
|
QList<LegendMarker*> markers = series->d_ptr->createLegendMarker(q_ptr);
|
|
682
|
foreach(LegendMarker* marker, markers)
|
|
694
|
foreach(LegendMarker* marker, markers)
|
|
683
|
m_markers->addToGroup(marker);
|
|
695
|
m_markers->addToGroup(marker);
|
|
684
|
|
|
696
|
|
|
|
|
|
697
|
QObject::connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged()));
|
|
|
|
|
698
|
|
|
685
|
if(series->type() == QAbstractSeries::SeriesTypePie) {
|
|
699
|
if(series->type() == QAbstractSeries::SeriesTypePie) {
|
|
686
|
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
|
|
700
|
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
|
|
687
|
QObject::connect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
701
|
QObject::connect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
688
|
QObject::connect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
702
|
QObject::connect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
689
|
}
|
|
703
|
}
|
|
690
|
|
|
704
|
|
|
691
|
updateLayout();
|
|
705
|
updateLayout();
|
|
692
|
}
|
|
706
|
}
|
|
693
|
|
|
707
|
|
|
694
|
void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series)
|
|
708
|
void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series)
|
|
695
|
{
|
|
709
|
{
|
|
696
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
710
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
697
|
|
|
711
|
|
|
698
|
foreach (QGraphicsItem *markers, items) {
|
|
712
|
foreach (QGraphicsItem *markers, items) {
|
|
699
|
LegendMarker *marker = static_cast<LegendMarker*>(markers);
|
|
713
|
LegendMarker *marker = static_cast<LegendMarker*>(markers);
|
|
700
|
if (marker->series() == series) {
|
|
714
|
if (marker->series() == series) {
|
|
701
|
delete marker;
|
|
715
|
delete marker;
|
|
702
|
}
|
|
716
|
}
|
|
703
|
}
|
|
717
|
}
|
|
704
|
|
|
718
|
|
|
705
|
if(series->type() == QAbstractSeries::SeriesTypePie)
|
|
719
|
if(series->type() == QAbstractSeries::SeriesTypePie)
|
|
706
|
{
|
|
720
|
{
|
|
707
|
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
|
|
721
|
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
|
|
708
|
QObject::disconnect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
722
|
QObject::disconnect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
709
|
QObject::disconnect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
723
|
QObject::disconnect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries()));
|
|
710
|
}
|
|
724
|
}
|
|
711
|
|
|
725
|
|
|
712
|
updateLayout();
|
|
726
|
updateLayout();
|
|
713
|
}
|
|
727
|
}
|
|
714
|
|
|
728
|
|
|
715
|
void QLegendPrivate::handleSeriesUpdated(QAbstractSeries *series)
|
|
729
|
void QLegendPrivate::handleSeriesUpdated(QAbstractSeries *series)
|
|
716
|
{
|
|
730
|
{
|
|
717
|
// TODO: find out which markers are are added or removed. Update them
|
|
731
|
// TODO: find out which markers are are added or removed. Update them
|
|
718
|
// TODO: better implementation
|
|
732
|
// TODO: better implementation
|
|
719
|
handleSeriesRemoved(series);
|
|
733
|
handleSeriesRemoved(series);
|
|
720
|
Domain domain;
|
|
734
|
Domain domain;
|
|
721
|
handleSeriesAdded(series, &domain);
|
|
735
|
handleSeriesAdded(series, &domain);
|
|
722
|
}
|
|
736
|
}
|
|
723
|
|
|
737
|
|
|
724
|
void QLegendPrivate::handleUpdatePieSeries()
|
|
738
|
void QLegendPrivate::handleUpdatePieSeries()
|
|
725
|
{
|
|
739
|
{
|
|
726
|
//TODO: reimplement to be optimal
|
|
740
|
//TODO: reimplement to be optimal
|
|
727
|
QPieSeries* series = qobject_cast<QPieSeries *> (sender());
|
|
741
|
QPieSeries* series = qobject_cast<QPieSeries *> (sender());
|
|
728
|
Q_ASSERT(series);
|
|
742
|
Q_ASSERT(series);
|
|
729
|
handleSeriesRemoved(series);
|
|
743
|
handleSeriesRemoved(series);
|
|
730
|
handleSeriesAdded(series, 0);
|
|
744
|
handleSeriesAdded(series, 0);
|
|
731
|
}
|
|
745
|
}
|
|
732
|
|
|
746
|
|
|
|
|
|
747
|
void QLegendPrivate::handleSeriesVisibleChanged()
|
|
|
|
|
748
|
{
|
|
|
|
|
749
|
QAbstractSeries* series = qobject_cast<QAbstractSeries *> (sender());
|
|
|
|
|
750
|
QList<QGraphicsItem *> items = m_markers->childItems();
|
|
|
|
|
751
|
|
|
|
|
|
752
|
foreach (QGraphicsItem *markers, items) {
|
|
|
|
|
753
|
LegendMarker *marker = static_cast<LegendMarker*>(markers);
|
|
|
|
|
754
|
if (marker->series() == series) {
|
|
|
|
|
755
|
marker->setVisible(!marker->isVisible());
|
|
|
|
|
756
|
}
|
|
|
|
|
757
|
}
|
|
|
|
|
758
|
|
|
|
|
|
759
|
updateLayout();
|
|
|
|
|
760
|
}
|
|
|
|
|
761
|
|
|
733
|
|
|
762
|
|
|
734
|
#include "moc_qlegend.cpp"
|
|
763
|
#include "moc_qlegend.cpp"
|
|
735
|
#include "moc_qlegend_p.cpp"
|
|
764
|
#include "moc_qlegend_p.cpp"
|
|
736
|
|
|
765
|
|
|
737
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
766
|
QTCOMMERCIALCHART_END_NAMESPACE
|