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added description of using barcategory axis with line chart
added description of using barcategory axis with line chart
Tero Ahola - - Load All Authors

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piechartitem.cpp
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/ src / piechart / piechartitem.cpp
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Jani Honkonen
Add license headers
 r794 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 #include "piechartitem_p.h"
Jani Honkonen
rename PieSlice -> PieSliceItem
 r673 #include "piesliceitem_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
pie: added everything as a property in QPieSlice...
 r1274 #include "qpieslice_p.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"
Jani Honkonen
API review changes for pie
 r1009 #include "qpieseries_p.h"
Tero Ahola
Z order for pie
 r490 #include "chartpresenter_p.h"
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
 r659 #include "chartdataset_p.h"
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
 r618 #include "chartanimator_p.h"
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
Michal Klocek
Refactors chartitem...
 r677 PieChartItem::PieChartItem(QPieSeries *series, ChartPresenter* presenter)
:ChartItem(presenter),
m_series(series)
Jani Honkonen
Pie chart refactoring
 r142 {
Q_ASSERT(series);
Jani Honkonen
API review changes for pie
 r1009
Tero Ahola
Removed a few signals from QPieSeries API
 r1482 QPieSeriesPrivate *p = QPieSeriesPrivate::fromSeries(series);
Jani Honkonen
pie: implement hiding the series
 r1456 connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged()));
Jani Honkonen
pie: make slice added/removed signals public (again)
 r1213 connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>)));
connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>)));
Tero Ahola
Removed a few signals from QPieSeries API
 r1482 connect(p, SIGNAL(horizontalPositionChanged()), this, SLOT(updateLayout()));
connect(p, SIGNAL(verticalPositionChanged()), this, SLOT(updateLayout()));
connect(p, SIGNAL(pieSizeChanged()), this, SLOT(updateLayout()));
connect(p, SIGNAL(calculatedDataChanged()), this, SLOT(updateLayout()));
Jani Honkonen
Refactoring pie series and animations.
 r621
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: fix bug with qmlchart demo...
 r1238
// Note: will not create slice items until we have a proper rectangle to draw on.
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
Refactor graphical side of pie to simplify the implementation.
 r1074 void PieChartItem::handleGeometryChanged(const QRectF& rect)
Jani Honkonen
Pie chart refactoring
 r142 {
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 prepareGeometryChange();
m_rect = rect;
updateLayout();
Jani Honkonen
pie: fix bug with qmlchart demo...
 r1238
// This is for delayed initialization of the slice items during startup.
// It ensures that startup animation originates from the correct position.
if (m_sliceItems.isEmpty())
handleSlicesAdded(m_series->slices());
Jani Honkonen
Refactoring piechart API (and internals)
 r174 }
Jani Honkonen
Remove scaledomain ect. warnings from pie. Not going to be implemented (for now at least).
 r1191 void PieChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)
{
Q_UNUSED(minX);
Q_UNUSED(maxX);
Q_UNUSED(minY);
Q_UNUSED(maxY);
// does not apply to pie
}
void PieChartItem::rangeXChanged(qreal min, qreal max, int tickXCount)
{
Q_UNUSED(min);
Q_UNUSED(max);
Q_UNUSED(tickXCount);
// does not apply to pie
}
void PieChartItem::rangeYChanged(qreal min, qreal max, int tickYCount)
{
Q_UNUSED(min);
Q_UNUSED(max);
Q_UNUSED(tickYCount);
// does not apply to pie
}
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 void PieChartItem::updateLayout()
Jani Honkonen
Refactoring pie series and animations.
 r621 {
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 // find pie center coordinates
m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->horizontalPosition()));
m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->verticalPosition()));
Jani Honkonen
Nicer animation for adding a pie initially.
 r634
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 // find maximum radius for pie
m_pieRadius = m_rect.height() / 2;
if (m_rect.width() < m_rect.height())
m_pieRadius = m_rect.width() / 2;
// apply size factor
m_pieRadius *= m_series->pieSize();
// set layouts for existing slice items
foreach (QPieSlice* slice, m_series->slices()) {
PieSliceItem *sliceItem = m_sliceItems.value(slice);
if (sliceItem) {
PieSliceData sliceData = updateSliceGeometry(slice);
if (animator())
animator()->updateAnimation(this, sliceItem, sliceData);
else
sliceItem->setLayout(sliceData);
}
}
update();
}
void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices)
{
Jani Honkonen
pie: fix bug with qmlchart demo...
 r1238 // delay creating slice items until there is a proper rectangle
if (!m_rect.isValid() && m_sliceItems.isEmpty())
return;
Michal Klocek
Refactor to use qseries private for implmentation interface...
 r943 presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series));
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
 r659
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 bool startupAnimation = m_sliceItems.isEmpty();
Jani Honkonen
Refactoring pie series and animations.
 r621
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 foreach (QPieSlice *slice, slices) {
PieSliceItem* sliceItem = new PieSliceItem(this);
m_sliceItems.insert(slice, sliceItem);
Jani Honkonen
pie: remove changed() signal and replace it with more refined signals...
 r1224
Tero Ahola
Removed unnecessary signals from QPieSlice
 r1494 // Note: no need to connect to slice valueChanged() etc.
Jani Honkonen
pie: added everything as a property in QPieSlice...
 r1274 // This is handled through calculatedDataChanged signal.
Jani Honkonen
pie: remove changed() signal and replace it with more refined signals...
 r1224 connect(slice, SIGNAL(labelChanged()), this, SLOT(handleSliceChanged()));
Jani Honkonen
pie: added everything as a property in QPieSlice...
 r1274 connect(slice, SIGNAL(labelVisibleChanged()), this, SLOT(handleSliceChanged()));
connect(slice, SIGNAL(penChanged()), this, SLOT(handleSliceChanged()));
connect(slice, SIGNAL(brushChanged()), this, SLOT(handleSliceChanged()));
Tero Ahola
Use labelBrush instead of labelPen for text labels
 r1307 connect(slice, SIGNAL(labelBrushChanged()), this, SLOT(handleSliceChanged()));
Jani Honkonen
pie: added everything as a property in QPieSlice...
 r1274 connect(slice, SIGNAL(labelFontChanged()), this, SLOT(handleSliceChanged()));
Tero Ahola
Removed unnecessary signals from QPieSlice
 r1494
QPieSlicePrivate *p = QPieSlicePrivate::fromSlice(slice);
connect(p, SIGNAL(labelPositionChanged()), this, SLOT(handleSliceChanged()));
connect(p, SIGNAL(explodedChanged()), this, SLOT(handleSliceChanged()));
connect(p, SIGNAL(labelArmLengthFactorChanged()), this, SLOT(handleSliceChanged()));
connect(p, SIGNAL(explodeDistanceFactorChanged()), this, SLOT(handleSliceChanged()));
Jani Honkonen
pie: added everything as a property in QPieSlice...
 r1274
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 connect(sliceItem, SIGNAL(clicked(Qt::MouseButtons)), slice, SIGNAL(clicked()));
connect(sliceItem, SIGNAL(hovered(bool)), slice, SIGNAL(hovered(bool)));
Jani Honkonen
Refactoring pie series and animations.
 r621
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 PieSliceData sliceData = updateSliceGeometry(slice);
Michal Klocek
Refactors barchart axis hadnling...
 r679 if (animator())
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 animator()->addAnimation(this, sliceItem, sliceData, startupAnimation);
Jani Honkonen
Refactoring pie series and animations.
 r621 else
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 sliceItem->setLayout(sliceData);
Jani Honkonen
Refactoring pie series and animations.
 r621 }
}
void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices)
{
Michal Klocek
Refactor to use qseries private for implmentation interface...
 r943 presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series));
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
 r659
Jani Honkonen
Refactor piechart to avoid using invalid QPieSlice pointers....
 r1053 foreach (QPieSlice *slice, slices) {
Jani Honkonen
tst_qpieseries: added XXXanimated tests...
 r1301
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 PieSliceItem *sliceItem = m_sliceItems.value(slice);
Jani Honkonen
tst_qpieseries: added XXXanimated tests...
 r1301
// this can happen if you call append() & remove() in a row so that PieSliceItem is not even created
if (!sliceItem)
continue;
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 m_sliceItems.remove(slice);
Jani Honkonen
Refactor piechart to avoid using invalid QPieSlice pointers....
 r1053
Michal Klocek
Refactors chartitem...
 r677 if (animator())
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 animator()->removeAnimation(this, sliceItem); // animator deletes the PieSliceItem
Jani Honkonen
Refactoring pie series and animations.
 r621 else
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 delete sliceItem;
Jani Honkonen
Refactoring pie series and animations.
 r621 }
}
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());
Tero Ahola
Removed unnecessary signals from QPieSlice
 r1494 if (!slice) {
QPieSlicePrivate* slicep = qobject_cast<QPieSlicePrivate *>(sender());
slice = slicep->q_ptr;
}
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 Q_ASSERT(m_sliceItems.contains(slice));
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 PieSliceItem *sliceItem = m_sliceItems.value(slice);
PieSliceData sliceData = updateSliceGeometry(slice);
if (animator())
animator()->updateAnimation(this, sliceItem, sliceData);
else
sliceItem->setLayout(sliceData);
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 update();
Jani Honkonen
Refactoring pie series and animations.
 r621 }
Jani Honkonen
Added a pie chart customization example and refactoring the pie interface.
 r437
Jani Honkonen
pie: implement hiding the series
 r1456 void PieChartItem::handleSeriesVisibleChanged()
{
setVisible(m_series->isVisible());
}
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
 r1074 PieSliceData PieChartItem::updateSliceGeometry(QPieSlice *slice)
Jani Honkonen
Refactoring pie series and animations.
 r621 {
Jani Honkonen
pie: added everything as a property in QPieSlice...
 r1274 PieSliceData &sliceData = QPieSlicePrivate::fromSlice(slice)->m_data;
Jani Honkonen
rename PieSlice -> PieSliceItem
 r673 sliceData.m_center = PieSliceItem::sliceCenter(m_pieCenter, m_pieRadius, slice);
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
 r668 sliceData.m_radius = m_pieRadius;
return sliceData;
Jani Honkonen
Refactoring pie series and animations.
 r621 }
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 #include "moc_piechartitem_p.cpp"
Jani Honkonen
Pie chart refactoring
 r142
QTCOMMERCIALCHART_END_NAMESPACE