|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "legendmarker_p.h"
|
|
|
#include "qxyseries.h"
|
|
|
#include "qxyseries_p.h"
|
|
|
#include "qlegend.h"
|
|
|
#include "qabstractbarseries.h"
|
|
|
#include "qpieseries.h"
|
|
|
#include "qpieslice.h"
|
|
|
#include "qbarset.h"
|
|
|
#include "qbarset_p.h"
|
|
|
#include "qareaseries.h"
|
|
|
#include "qareaseries_p.h"
|
|
|
#include <QPainter>
|
|
|
#include <QGraphicsSceneEvent>
|
|
|
#include <QGraphicsSimpleTextItem>
|
|
|
#include <QGraphicsLayout>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
LegendMarker::LegendMarker(QAbstractSeries *series, QLegend *legend) :
|
|
|
QGraphicsObject(legend),
|
|
|
m_series(series),
|
|
|
m_markerRect(0,0,10.0,10.0),
|
|
|
m_boundingRect(0,0,0,0),
|
|
|
m_legend(legend),
|
|
|
m_textItem(new QGraphicsSimpleTextItem(this)),
|
|
|
m_rectItem(new QGraphicsRectItem(this)),
|
|
|
m_margin(4),
|
|
|
m_space(4)
|
|
|
{
|
|
|
//setAcceptedMouseButtons(Qt::LeftButton|Qt::RightButton);
|
|
|
m_rectItem->setRect(m_markerRect);
|
|
|
}
|
|
|
|
|
|
void LegendMarker::setPen(const QPen &pen)
|
|
|
{
|
|
|
m_rectItem->setPen(pen);
|
|
|
}
|
|
|
|
|
|
QPen LegendMarker::pen() const
|
|
|
{
|
|
|
return m_rectItem->pen();
|
|
|
}
|
|
|
|
|
|
void LegendMarker::setBrush(const QBrush &brush)
|
|
|
{
|
|
|
m_rectItem->setBrush(brush);
|
|
|
}
|
|
|
|
|
|
QBrush LegendMarker::brush() const
|
|
|
{
|
|
|
return m_rectItem->brush();
|
|
|
}
|
|
|
|
|
|
void LegendMarker::setFont(const QFont &font)
|
|
|
{
|
|
|
m_textItem->setFont(font);
|
|
|
QFontMetrics fn(font);
|
|
|
m_markerRect = QRectF(0,0,fn.height()/2,fn.height()/2);
|
|
|
updateGeometry();
|
|
|
m_legend->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
QFont LegendMarker::font() const
|
|
|
{
|
|
|
return m_textItem->font();
|
|
|
}
|
|
|
|
|
|
void LegendMarker::setLabel(const QString label)
|
|
|
{
|
|
|
m_text = label;
|
|
|
updateGeometry();
|
|
|
m_legend->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
QString LegendMarker::label() const
|
|
|
{
|
|
|
return m_text;
|
|
|
}
|
|
|
|
|
|
QRectF LegendMarker::boundingRect() const
|
|
|
{
|
|
|
return m_boundingRect;
|
|
|
}
|
|
|
|
|
|
void LegendMarker::setLabelBrush(const QBrush &brush)
|
|
|
{
|
|
|
m_textItem->setBrush(brush);
|
|
|
}
|
|
|
|
|
|
QBrush LegendMarker::labelBrush() const
|
|
|
{
|
|
|
return m_textItem->brush();
|
|
|
}
|
|
|
|
|
|
|
|
|
void LegendMarker::setGeometry(const QRectF& rect)
|
|
|
{
|
|
|
QFontMetrics fn (font());
|
|
|
|
|
|
int width = rect.width();
|
|
|
qreal x = m_margin + m_markerRect.width() + m_space + m_margin;
|
|
|
qreal y = qMax(m_markerRect.height()+2*m_margin,fn.height()+2*m_margin);
|
|
|
|
|
|
if (fn.boundingRect(m_text).width() + x > width)
|
|
|
{
|
|
|
QString string = m_text + "...";
|
|
|
while(fn.boundingRect(string).width() + x > width && string.length() > 3)
|
|
|
string.remove(string.length() - 4, 1);
|
|
|
m_textItem->setText(string);
|
|
|
}
|
|
|
else
|
|
|
m_textItem->setText(m_text);
|
|
|
|
|
|
const QRectF& textRect = m_textItem->boundingRect();
|
|
|
|
|
|
|
|
|
m_textItem->setPos(x-m_margin,y/2 - textRect.height()/2);
|
|
|
m_rectItem->setRect(m_markerRect);
|
|
|
m_rectItem->setPos(m_margin,y/2 - m_markerRect.height()/2);
|
|
|
|
|
|
prepareGeometryChange();
|
|
|
m_boundingRect = QRectF(0,0,x+textRect.width()+m_margin,y);
|
|
|
}
|
|
|
|
|
|
void LegendMarker::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
|
{
|
|
|
Q_UNUSED(option)
|
|
|
Q_UNUSED(widget)
|
|
|
Q_UNUSED(painter)
|
|
|
}
|
|
|
|
|
|
QSizeF LegendMarker::sizeHint(Qt::SizeHint which, const QSizeF& constraint) const
|
|
|
{
|
|
|
Q_UNUSED(constraint)
|
|
|
|
|
|
QFontMetrics fn(m_textItem->font());
|
|
|
QSizeF sh;
|
|
|
|
|
|
switch (which) {
|
|
|
case Qt::MinimumSize:
|
|
|
sh = QSizeF(fn.boundingRect("...").width() + 2*m_margin + m_space +m_markerRect.width(),qMax(m_markerRect.height()+2*m_margin,fn.height()+2*m_margin));
|
|
|
break;
|
|
|
case Qt::PreferredSize:
|
|
|
sh = QSizeF(fn.boundingRect(m_text).width() + 2*m_margin + m_space +m_markerRect.width(),qMax(m_markerRect.height()+2*m_margin,fn.height()+2*m_margin));
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
return sh;
|
|
|
}
|
|
|
|
|
|
void LegendMarker::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
|
{
|
|
|
QGraphicsObject::mousePressEvent(event);
|
|
|
//TODO: selected signal removed for now
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
AreaLegendMarker::AreaLegendMarker(QAreaSeries *series,QLegend *legend) : LegendMarker(series,legend),
|
|
|
m_series(series)
|
|
|
{
|
|
|
//QObject::connect(this, SIGNAL(selected()), series, SIGNAL(selected()));
|
|
|
QObject::connect(series->d_func(),SIGNAL(updated()), this, SLOT(updated()));
|
|
|
QObject::connect(series, SIGNAL(nameChanged()), this, SLOT(updated()));
|
|
|
updated();
|
|
|
}
|
|
|
|
|
|
void AreaLegendMarker::updated()
|
|
|
{
|
|
|
setBrush(m_series->brush());
|
|
|
setLabel(m_series->name());
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
BarLegendMarker::BarLegendMarker(QAbstractBarSeries *barseries,QBarSet *barset, QLegend *legend) : LegendMarker(barseries,legend),
|
|
|
m_barset(barset)
|
|
|
{
|
|
|
//QObject::connect(this, SIGNAL(selected()),barset->d_ptr.data(), SIGNAL(selected()));
|
|
|
QObject::connect(barset->d_ptr.data(), SIGNAL(updatedBars()), this, SLOT(updated()));
|
|
|
updated();
|
|
|
}
|
|
|
|
|
|
void BarLegendMarker::updated()
|
|
|
{
|
|
|
setBrush(m_barset->brush());
|
|
|
setLabel(m_barset->label());
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
PieLegendMarker::PieLegendMarker(QPieSeries* series,QPieSlice *pieslice, QLegend *legend) : LegendMarker(series,legend),
|
|
|
m_pieslice(pieslice)
|
|
|
{
|
|
|
QObject::connect(pieslice, SIGNAL(labelChanged()), this, SLOT(updated()));
|
|
|
QObject::connect(pieslice, SIGNAL(brushChanged()), this, SLOT(updated()));
|
|
|
updated();
|
|
|
}
|
|
|
|
|
|
void PieLegendMarker::updated()
|
|
|
{
|
|
|
setBrush(m_pieslice->brush());
|
|
|
setLabel(m_pieslice->label());
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
XYLegendMarker::XYLegendMarker(QXYSeries *series, QLegend *legend) : LegendMarker(series,legend),
|
|
|
m_series(series)
|
|
|
{
|
|
|
//QObject::connect(this, SIGNAL(selected()), series, SIGNAL(selected()));
|
|
|
QObject::connect(series->d_func(),SIGNAL(updated()), this, SLOT(updated()));
|
|
|
QObject::connect(series, SIGNAL(nameChanged()), this, SLOT(updated()));
|
|
|
updated();
|
|
|
}
|
|
|
|
|
|
void XYLegendMarker::updated()
|
|
|
{
|
|
|
setLabel(m_series->name());
|
|
|
|
|
|
if(m_series->type()== QAbstractSeries::SeriesTypeScatter)
|
|
|
{
|
|
|
setBrush(m_series->brush());
|
|
|
|
|
|
}
|
|
|
else {
|
|
|
setBrush(QBrush(m_series->pen().color()));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
#include "moc_legendmarker_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|