##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Add animations checkbox to piechartcustomization
Add animations checkbox to piechartcustomization
Jani Honkonen - - Load All Authors

File last commit:

r621:f4b980d7defa
r628:82f962b589f7
Show More
piechartitem.cpp
189 lines | 5.3 KiB | text/x-c | CppLexer
/ src / piechart / piechartitem.cpp
History | Source | Raw |Copy content |Copy permalink
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 #include "piechartitem_p.h"
Jani Honkonen
Add _p to pie internal headers
 r353 #include "pieslice_p.h"
Jani Honkonen
Refactor pie (again). QPieSlice's now emit signals and no id's anymore. Just pointers in the interface.
 r203 #include "qpieslice.h"
Jani Honkonen
Make pie fit better inside its given rectangle. Label texts still go outside. Needs a bit more work...
 r289 #include "qpieseries.h"
Tero Ahola
Z order for pie
 r490 #include "chartpresenter_p.h"
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 #include "chartanimator_p.h"
Jani Honkonen
Pie chart refactoring
 r142 #include <QDebug>
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437 #include <QPainter>
Jani Honkonen
Refactoring pie series and animations.
 r621 #include <QTimer>
Jani Honkonen
Pie chart refactoring
 r142
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 PieChartItem::PieChartItem(QGraphicsItem *parent, QPieSeries *series)
Jani Honkonen
Refactoring piechart API (and internals)
 r174 :ChartItem(parent),
m_series(series)
Jani Honkonen
Pie chart refactoring
 r142 {
Q_ASSERT(series);
Jani Honkonen
Refactoring pie series and animations.
 r621 connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>)));
connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>)));
connect(series, SIGNAL(piePositionChanged()), this, SLOT(handlePieLayoutChanged()));
connect(series, SIGNAL(pieSizeChanged()), this, SLOT(handlePieLayoutChanged()));
QTimer::singleShot(0, this, SLOT(initialize()));
Tero Ahola
Z order for pie
 r490
// Note: the following does not affect as long as the item does not have anything to paint
setZValue(ChartPresenter::PieSeriesZValue);
Jani Honkonen
Pie chart refactoring
 r142 }
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 PieChartItem::~PieChartItem()
Jani Honkonen
Pie chart refactoring
 r142 {
Jani Honkonen
Refactoring piechart API (and internals)
 r174 // slices deleted automatically through QGraphicsItem
Jani Honkonen
Pie chart refactoring
 r142 }
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 void PieChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
Jani Honkonen
Pie chart refactoring
 r142 {
Tero Ahola
Squashed bunch of warnings
 r611 Q_UNUSED(painter)
Jani Honkonen
Refactoring piechart API (and internals)
 r174 // TODO: paint shadows for all components
// - get paths from items & merge & offset and draw with shadow color?
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437 //painter->setBrush(QBrush(Qt::red));
//painter->drawRect(m_debugRect);
Jani Honkonen
Refactoring piechart API (and internals)
 r174 }
Jani Honkonen
Refactoring pie series and animations.
 r621 void PieChartItem::initialize()
{
handleSlicesAdded(m_series->m_slices);
}
void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices)
{
foreach (QPieSlice *s, slices) {
PieSlice* slice = new PieSlice(this);
m_slices.insert(s, slice);
connect(s, SIGNAL(changed()), this, SLOT(handleSliceChanged()));
connect(slice, SIGNAL(clicked()), s, SIGNAL(clicked()));
connect(slice, SIGNAL(hoverEnter()), s, SIGNAL(hoverEnter()));
connect(slice, SIGNAL(hoverLeave()), s, SIGNAL(hoverLeave()));
PieSliceLayout layout = calculateSliceLayout(s);
if (m_animator)
m_animator->addAnimation(this, s, layout);
else
setLayout(layout);
}
}
void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices)
{
foreach (QPieSlice *s, slices) {
if (m_animator)
m_animator->removeAnimation(this, s);
else
destroySlice(s);
}
}
void PieChartItem::handlePieLayoutChanged()
Jani Honkonen
Refactoring piechart API (and internals)
 r174 {
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 QVector<PieSliceLayout> layout = calculateLayout();
applyLayout(layout);
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 update();
}
Jani Honkonen
Pie chart refactoring
 r142
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 void PieChartItem::handleSliceChanged()
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 {
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
Q_ASSERT(m_slices.contains(slice));
Jani Honkonen
Refactoring pie series and animations.
 r621 PieSliceLayout layout = calculateSliceLayout(slice);
updateLayout(layout);
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 update();
Jani Honkonen
Refactor pie (again). QPieSlice's now emit signals and no id's anymore. Just pointers in the interface.
 r203 }
Jani Honkonen
Refactoring piechart API (and internals)
 r174
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 void PieChartItem::handleDomainChanged(qreal, qreal, qreal, qreal)
Jani Honkonen
Refactor pie (again). QPieSlice's now emit signals and no id's anymore. Just pointers in the interface.
 r203 {
// TODO
}
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 void PieChartItem::handleGeometryChanged(const QRectF& rect)
Jani Honkonen
Refactor pie (again). QPieSlice's now emit signals and no id's anymore. Just pointers in the interface.
 r203 {
Jani Honkonen
Make pie fit better inside its given rectangle. Label texts still go outside. Needs a bit more work...
 r289 prepareGeometryChange();
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 m_rect = rect;
Jani Honkonen
Refactoring pie series and animations.
 r621 handlePieLayoutChanged();
Jani Honkonen
Pie chart refactoring
 r142 }
Jani Honkonen
Refactoring pie series and animations.
 r621 void PieChartItem::calculatePieLayout()
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 {
Jani Honkonen
Introducing vertical and horizontal factors to control the position of the pie.
 r454 // find pie center coordinates
Jani Honkonen
Refactoring pie series and animations.
 r621 m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->pieHorizontalPosition()));
m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->pieVerticalPosition()));
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
Introducing vertical and horizontal factors to control the position of the pie.
 r454 // find maximum radius for pie
Jani Honkonen
Refactoring pie series and animations.
 r621 m_pieRadius = m_rect.height() / 2;
Jani Honkonen
Introducing vertical and horizontal factors to control the position of the pie.
 r454 if (m_rect.width() < m_rect.height())
Jani Honkonen
Refactoring pie series and animations.
 r621 m_pieRadius = m_rect.width() / 2;
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
Introducing vertical and horizontal factors to control the position of the pie.
 r454 // apply size factor
Jani Honkonen
Refactoring pie series and animations.
 r621 m_pieRadius *= m_series->pieSize();
}
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
Refactoring pie series and animations.
 r621 PieSliceLayout PieChartItem::calculateSliceLayout(QPieSlice *slice)
{
PieSliceLayout sliceLayout;
sliceLayout.m_data = slice;
sliceLayout.m_center = PieSlice::sliceCenter(m_pieCenter, m_pieRadius, slice);
sliceLayout.m_radius = m_pieRadius;
sliceLayout.m_startAngle = slice->startAngle();
sliceLayout.m_angleSpan = slice->m_angleSpan;
return sliceLayout;
}
QVector<PieSliceLayout> PieChartItem::calculateLayout()
{
calculatePieLayout();
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 QVector<PieSliceLayout> layout;
foreach (QPieSlice* s, m_series->slices()) {
Jani Honkonen
Refactoring pie series and animations.
 r621 if (m_slices.contains(s)) // calculate layout only for those slices that are already visible
layout << calculateSliceLayout(s);
Jani Honkonen
Refactoring piechart API (and internals)
 r174 }
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 return layout;
Jani Honkonen
Pie chart refactoring
 r142 }
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 void PieChartItem::applyLayout(QVector<PieSliceLayout> &layout)
Jani Honkonen
Pie chart refactoring
 r142 {
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 if (m_animator)
Jani Honkonen
Refactoring pie series and animations.
 r621 m_animator->updateLayout(this, layout);
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 else
setLayout(layout);
Jani Honkonen
Refactoring piechart API (and internals)
 r174 }
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 void PieChartItem::updateLayout(PieSliceLayout &layout)
{
if (m_animator)
m_animator->updateLayout(this, layout);
else
setLayout(layout);
}
void PieChartItem::setLayout(QVector<PieSliceLayout> &layout)
Jani Honkonen
Make pie fit better inside its given rectangle. Label texts still go outside. Needs a bit more work...
 r289 {
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 foreach (PieSliceLayout l, layout) {
PieSlice *slice = m_slices.value(l.m_data);
Jani Honkonen
Refactoring pie series and animations.
 r621 Q_ASSERT(slice);
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 slice->setLayout(l);
Jani Honkonen
Refactoring pie series and animations.
 r621 slice->updateData(l.m_data);
Jani Honkonen
Refactoring the pie for animations (no actual animations yet)
 r566 slice->updateGeometry();
slice->update();
Jani Honkonen
Make pie fit better inside its given rectangle. Label texts still go outside. Needs a bit more work...
 r289 }
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 }
void PieChartItem::setLayout(PieSliceLayout &layout)
{
// find slice
PieSlice *slice = m_slices.value(layout.m_data);
Jani Honkonen
Refactoring pie series and animations.
 r621 Q_ASSERT(slice);
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 slice->setLayout(layout);
if (m_series->m_slices.contains(layout.m_data)) // Slice has been deleted if not found. Animations ongoing...
slice->updateData(layout.m_data);
slice->updateGeometry();
slice->update();
}
void PieChartItem::destroySlice(QPieSlice *slice)
{
delete m_slices.take(slice);
Jani Honkonen
Pie chart refactoring
 r142 }
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 #include "moc_piechartitem_p.cpp"
Jani Honkonen
Pie chart refactoring
 r142
QTCOMMERCIALCHART_END_NAMESPACE