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Update pie image
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scatterpresenter.cpp
129 lines | 4.0 KiB | text/x-c | CppLexer
Tero Ahola
Moved scatter impl into a subfolder
r194 #include "scatterpresenter_p.h"
Tero Ahola
Integrated scatter again. Missing functionality....
r158 #include "qscatterseries.h"
#include <QPen>
#include <QPainter>
#include <QGraphicsScene>
Tero Ahola
Added clicked signal to scatter...
r316 #include <QGraphicsSceneMouseEvent>
Tero Ahola
Drop shadow in scatter
r346 #include <QGraphicsDropShadowEffect>
Tero Ahola
Integrated scatter again. Missing functionality....
r158 #include <QDebug>
Tero Ahola
Refactored chartwidgettest test data impl
r278 #include <QTime>
Tero Ahola
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r158
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ScatterPresenter::ScatterPresenter(QScatterSeries *series, QGraphicsObject *parent) :
ChartItem(parent),
m_series(series),
m_boundingRect(),
m_visibleChartArea()
{
if (parent)
m_boundingRect = parent->boundingRect();
if (series) {
connect(series, SIGNAL(changed()), this, SLOT(handleModelChanged()));
}
Tero Ahola
Drop shadow in scatter
r346
QGraphicsDropShadowEffect *dropShadow = new QGraphicsDropShadowEffect();
dropShadow->setOffset(2.0);
setGraphicsEffect(dropShadow);
Tero Ahola
Integrated scatter again. Missing functionality....
r158 }
void ScatterPresenter::handleDomainChanged(const Domain& domain)
{
m_visibleChartArea = domain;
changeGeometry();
}
void ScatterPresenter::handleGeometryChanged(const QRectF& rect)
{
m_boundingRect = rect;
changeGeometry();
}
void ScatterPresenter::handleModelChanged()
{
// TODO: more fine grained modelChanged signaling
changeGeometry();
}
void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem */*option*/, QWidget */*widget*/)
{
Tero Ahola
Refactored chartwidgettest test data impl
r278 painter->save();
painter->setClipRect(m_boundingRect);
// Paint the shape
Tero Ahola
Added clicked signal to scatter...
r316 // The custom settings in series override those defined by the theme
Tero Ahola
Refactored chartwidgettest test data impl
r278 QPen pen = m_markerPen;
if (m_series->markerPen().color().isValid())
pen = m_series->markerPen();
Tero Ahola
Documenting QScatterSeries
r261 if (m_series->markerBrush().color().isValid())
painter->setBrush(m_series->markerBrush());
else
Tero Ahola
Scatter series marker visuals
r195 painter->setBrush(m_markerBrush);
Tero Ahola
Refactored chartwidgettest test data impl
r278 painter->setPen(pen);
Tero Ahola
Added clicked signal to scatter...
r316 painter->drawPath(m_path);
Tero Ahola
Refactored chartwidgettest test data impl
r278 painter->restore();
Tero Ahola
Integrated scatter again. Missing functionality....
r158 }
Tero Ahola
Scatter series documentation; now uses snippets
r300 void ScatterPresenter::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Tero Ahola
Added clicked signal to scatter...
r316 qDebug() << "ScatterPresenter::mousePressEvent" << event << " cont: "
<< m_path.contains(event->lastPos());
if (m_path.contains(event->lastPos()))
emit clicked();
Tero Ahola
Scatter series documentation; now uses snippets
r300 }
Tero Ahola
Integrated scatter again. Missing functionality....
r158 void ScatterPresenter::changeGeometry()
{
if (m_boundingRect.isValid()) {
prepareGeometryChange();
qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();
qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();
Tero Ahola
Added clicked signal to scatter...
r316 int shape = m_series->markerShape();
m_path = QPainterPath();
Tero Ahola
Integrated scatter again. Missing functionality....
r158 foreach (QPointF point, m_series->data()) {
Tero Ahola
Added clicked signal to scatter...
r316 // Convert relative coordinates to absolute pixel coordinates that can be used for drawing
qreal x = m_boundingRect.left() + point.x() * scalex - m_visibleChartArea.m_minX * scalex;
qreal y = m_boundingRect.bottom() - point.y() * scaley + m_visibleChartArea.m_minY * scaley;
if (scene()->width() > x && scene()->height() > y) {
switch (shape) {
case QScatterSeries::MarkerShapeDefault:
// Fallthrough, defaults to circle
case QScatterSeries::MarkerShapeCircle:
m_path.addEllipse(x, y, 9, 9);
break;
case QScatterSeries::MarkerShapePoint:
m_path.addEllipse(x, y, 2, 2);
break;
case QScatterSeries::MarkerShapeRectangle:
m_path.addRect(x, y, 9, 9);
break;
case QScatterSeries::MarkerShapeTiltedRectangle: {
// TODO:
// static const QPointF points[4] = {
// QPointF(-1.0 + x, 0.0 + y),
// QPointF(0.0 + x, 1.0 + y),
// QPointF(1.0 + x, 0.0 + y),
// QPointF(0.0 + x, -1.0 + y)
// };
//m_path.addPolygon(QPolygon(4, &points));
break;
}
default:
// TODO: implement the rest of the shapes
Q_ASSERT(false);
break;
}
}
Tero Ahola
Integrated scatter again. Missing functionality....
r158 }
}
}
Tero Ahola
Moved scatter impl into a subfolder
r194 #include "moc_scatterpresenter_p.cpp"
Tero Ahola
Integrated scatter again. Missing functionality....
r158
QTCOMMERCIALCHART_END_NAMESPACE