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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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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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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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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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** 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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** a written agreement between you and Digia.
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**
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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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qchartglobal.h"
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#include "legendmarker_p.h"
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#include <qpieslice.h>
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#include <qbarset.h>
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#include <qxyseries.h>
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#include <qareaseries.h>
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#include <QPainter>
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#include <QGraphicsSceneEvent>
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#include <QGraphicsSimpleTextItem>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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LegendMarker::LegendMarker(QSeries *series, QGraphicsItem *parent) : QGraphicsObject(parent),
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m_pos(0,0),
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m_size(0,0),
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m_boundingRect(0,0,0,0),
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m_markerBoundingRect(0,0,0,0),
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m_series(series),
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m_barset(0),
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m_pieslice(0),
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m_textItem(new QGraphicsSimpleTextItem(this))
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{
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setAcceptedMouseButtons(Qt::LeftButton|Qt::RightButton);
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}
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LegendMarker::LegendMarker(QSeries *series, QBarSet *barset, QGraphicsItem *parent) : QGraphicsObject(parent),
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m_pos(0,0),
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m_size(0,0),
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m_boundingRect(0,0,0,0),
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m_markerBoundingRect(0,0,0,0),
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m_series(series),
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m_barset(barset),
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m_pieslice(0),
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m_textItem(new QGraphicsSimpleTextItem(this))
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{
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setAcceptedMouseButtons(Qt::LeftButton|Qt::RightButton);
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}
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LegendMarker::LegendMarker(QSeries *series, QPieSlice *pieslice, QGraphicsItem *parent) : QGraphicsObject(parent),
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m_pos(0,0),
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m_size(0,0),
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m_boundingRect(0,0,0,0),
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m_markerBoundingRect(0,0,0,0),
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m_series(series),
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m_barset(0),
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m_pieslice(pieslice),
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m_textItem(new QGraphicsSimpleTextItem(this))
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{
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setAcceptedMouseButtons(Qt::LeftButton|Qt::RightButton);
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}
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void LegendMarker::setPos(qreal x, qreal y)
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{
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m_pos = QPointF(x,y);
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layoutChanged();
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}
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void LegendMarker::setPen(const QPen &pen)
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{
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m_pen = pen;
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}
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QPen LegendMarker::pen() const
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{
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return m_pen;
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}
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void LegendMarker::setBrush(const QBrush &brush)
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{
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m_brush = brush;
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}
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QBrush LegendMarker::brush() const
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{
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return m_brush;
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}
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void LegendMarker::setName(const QString name)
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{
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m_textItem->setText(name);
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layoutChanged();
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}
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QString LegendMarker::name() const
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{
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return m_textItem->text();
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}
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QSeries* LegendMarker::series() const
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{
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return m_series;
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}
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void LegendMarker::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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painter->setPen(m_pen);
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painter->setBrush(m_brush);
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painter->drawRect(m_markerBoundingRect);
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}
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QRectF LegendMarker::boundingRect() const
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{
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return m_boundingRect;
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}
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void LegendMarker::layoutChanged()
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{
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QSizeF markerSize(10,10);
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qreal margin = 2;
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m_size.setHeight(markerSize.height() + 2 * margin);
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m_size.setWidth(m_textItem->boundingRect().width() + markerSize.width() + 3 * margin);
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m_boundingRect = QRectF(m_pos.x(),m_pos.y(),m_size.width(),m_size.height());
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m_markerBoundingRect = QRectF(m_pos.x() + margin, m_pos.y() + margin, markerSize.width(),markerSize.height());
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m_textItem->setPos(m_pos.x() + markerSize.width() + 2 * margin, m_pos.y() + margin);
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}
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void LegendMarker::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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switch (m_series->type()) {
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case QSeries::SeriesTypeLine:
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case QSeries::SeriesTypeArea:
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case QSeries::SeriesTypeScatter:
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case QSeries::SeriesTypeSpline: {
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emit clicked(m_series,event->button());
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break;
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}
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case QSeries::SeriesTypeBar:
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case QSeries::SeriesTypeStackedBar:
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case QSeries::SeriesTypePercentBar: {
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emit clicked(m_barset,event->button());
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break;
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}
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case QSeries::SeriesTypePie: {
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emit clicked(m_pieslice,event->button());
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break;
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}
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default: {
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break;
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}
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}
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}
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void LegendMarker::changed()
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{
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setPen(Qt::NoPen);
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switch (m_series->type()) {
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case QSeries::SeriesTypeArea: {
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QAreaSeries* s = static_cast<QAreaSeries*> (m_series);
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setBrush(s->brush());
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setName(s->name());
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break;
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}
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case QSeries::SeriesTypeLine:
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case QSeries::SeriesTypeSpline: {
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QXYSeries* s = static_cast<QXYSeries*> (m_series);
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setBrush(QBrush(s->pen().color(),Qt::SolidPattern));
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setName(s->name());
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break;
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}
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case QSeries::SeriesTypeScatter: {
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QXYSeries* s = static_cast<QXYSeries*> (m_series);
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setBrush(s->brush());
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setName(s->name());
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break;
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}
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case QSeries::SeriesTypeBar:
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case QSeries::SeriesTypeStackedBar:
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case QSeries::SeriesTypePercentBar: {
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setBrush(m_barset->brush());
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setName(m_barset->name());
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break;
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}
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case QSeries::SeriesTypePie: {
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setBrush(m_pieslice->brush());
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setName(m_pieslice->label());
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break;
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}
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default: {
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setBrush(Qt::NoBrush);
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break;
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}
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}
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}
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#include "moc_legendmarker_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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