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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 <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)
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: QGraphicsObject(parent)
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,mPos(0,0)
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,mSize(0,0)
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,mBoundingRect(0,0,0,0)
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,mMarkerBoundingRect(0,0,0,0)
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,mSeries(series)
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,mBarset(0)
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,mPieslice(0)
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,mType(LegendMarkerTypeSeries)
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,mTextItem(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)
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: QGraphicsObject(parent)
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,mPos(0,0)
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,mSize(0,0)
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,mBoundingRect(0,0,0,0)
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,mMarkerBoundingRect(0,0,0,0)
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,mSeries(series)
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,mBarset(barset)
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,mPieslice(0)
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,mType(LegendMarkerTypeBarset)
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,mTextItem(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)
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: QGraphicsObject(parent)
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,mPos(0,0)
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,mSize(0,0)
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,mBoundingRect(0,0,0,0)
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,mMarkerBoundingRect(0,0,0,0)
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,mSeries(series)
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,mBarset(0)
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,mPieslice(pieslice)
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,mType(LegendMarkerTypePieslice)
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,mTextItem(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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mPos = QPointF(x,y);
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layoutChanged();
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}
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void LegendMarker::setBrush(const QBrush brush)
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{
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mBrush = brush;
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}
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QBrush LegendMarker::brush() const
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{
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return mBrush;
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}
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void LegendMarker::setName(const QString name)
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{
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mTextItem.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 mTextItem.text();
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}
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QSeries* LegendMarker::series() const
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{
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return mSeries;
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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->setBrush(mBrush);
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painter->drawRect(mMarkerBoundingRect);
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}
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QRectF LegendMarker::boundingRect() const
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{
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return mBoundingRect;
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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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mSize.setHeight(markerSize.height() + 2 * margin);
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mSize.setWidth(mTextItem.boundingRect().width() + markerSize.width() + 3 * margin);
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mBoundingRect = QRectF(mPos.x(),mPos.y(),mSize.width(),mSize.height());
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mMarkerBoundingRect = QRectF(mPos.x() + margin, mPos.y() + margin, markerSize.width(),markerSize.height());
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mTextItem.setPos(mPos.x() + markerSize.width() + 2 * margin, mPos.y() + margin );
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}
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void LegendMarker::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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switch (mType)
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{
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case LegendMarkerTypeSeries: {
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emit clicked(mSeries,event->button());
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break;
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}
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case LegendMarkerTypeBarset: {
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emit clicked(mBarset,event->button());
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break;
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}
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case LegendMarkerTypePieslice: {
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emit clicked(mPieslice,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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switch (mType)
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{
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case LegendMarkerTypeSeries: {
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QXYSeries* s = static_cast<QXYSeries*> (mSeries);
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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 LegendMarkerTypeBarset: {
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setBrush(mBarset->brush());
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setName(mBarset->name());
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break;
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}
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case LegendMarkerTypePieslice: {
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setBrush(mPieslice->sliceBrush());
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setName(mPieslice->label());
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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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