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Fix to domain initialization when log base was preset on axis before adding it to chart
Fix to domain initialization when log base was preset on axis before adding it to chart
Jani Honkonen - - Load All Authors

File last commit:

r2099:dacd8b696e6b
r2295:8468c10170a2
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widget.cpp
128 lines | 3.8 KiB | text/x-c | CppLexer
/ demos / nesteddonuts / widget.cpp
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Jani Honkonen
add missing license statements
 r1916 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 #include "widget.h"
#include <QChartView>
Marek Rosa
Donut support simplified. Examples updated
 r1838 #include <QChart>
#include <QLegend>
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 #include <QPieSeries>
#include <QPieSlice>
#include <QTime>
#include <QGridLayout>
#include <QTimer>
QTCOMMERCIALCHART_USE_NAMESPACE
Widget::Widget(QWidget *parent)
: QWidget(parent)
Jani Honkonen
coding style fixes for demos
 r2099 {
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 setMinimumSize(800, 600);
Jani Honkonen
coding style fixes for demos
 r2099 qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693
Marek Rosa
Documented the donut example
 r1713 //! [1]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 QChartView *chartView = new QChartView;
chartView->setRenderHint(QPainter::Antialiasing);
Jani Honkonen
coding style fixes for demos
 r2099 QChart *chart = chartView->chart();
Marek Rosa
Donut support simplified. Examples updated
 r1838 chart->legend()->setVisible(false);
Jani Honkonen
Moved 'donut' example to demos 'nesteddonuts'
 r1877 chart->setTitle("Nested donuts demo");
Marek Rosa
Nesteddonuts chart docs updated
 r1985 chart->setAnimationOptions(QChart::AllAnimations);
Marek Rosa
Documented the donut example
 r1713 //! [1]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693
Marek Rosa
Documented the donut example
 r1713 //! [2]
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 qreal minSize = 0.1;
qreal maxSize = 0.9;
Marek Rosa
Donut support simplified. Examples updated
 r1838 int donutCount = 5;
Marek Rosa
Documented the donut example
 r1713 //! [2]
//! [3]
Marek Rosa
Donut support simplified. Examples updated
 r1838 for (int i = 0; i < donutCount; i++) {
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 QPieSeries *donut = new QPieSeries;
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 int sliceCount = 3 + qrand() % 3;
for (int j = 0; j < sliceCount; j++) {
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 qreal value = 100 + qrand() % 100;
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value);
Marek Rosa
Documented the donut example
 r1713 slice->setLabelVisible(true);
slice->setLabelColor(Qt::white);
slice->setLabelPosition(QPieSlice::LabelInsideTangential);
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 connect(slice, SIGNAL(hovered(bool)), this, SLOT(explodeSlice(bool)));
donut->append(slice);
Marek Rosa
Donut support simplified. Examples updated
 r1838 donut->setHoleSize(minSize + i * (maxSize - minSize) / donutCount);
donut->setPieSize(minSize + (i + 1) * (maxSize - minSize) / donutCount);
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 }
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 m_donuts.append(donut);
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 chartView->chart()->addSeries(donut);
}
Marek Rosa
Documented the donut example
 r1713 //! [3]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693
// create main layout
Marek Rosa
Documented the donut example
 r1713 //! [4]
Jani Honkonen
coding style fixes for demos
 r2099 QGridLayout *mainLayout = new QGridLayout;
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 mainLayout->addWidget(chartView, 1, 1);
setLayout(mainLayout);
Marek Rosa
Documented the donut example
 r1713 //! [4]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693
Marek Rosa
Documented the donut example
 r1713 //! [5]
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 updateTimer = new QTimer(this);
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateRotation()));
Marek Rosa
Documented the donut example
 r1713 updateTimer->start(1250);
//! [5]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 }
Widget::~Widget()
{
Jani Honkonen
coding style fixes for demos
 r2099
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 }
Jani Honkonen
coding style fixes for demos
 r2099 //! [6]
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 void Widget::updateRotation()
{
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 for (int i = 0; i < m_donuts.count(); i++) {
QPieSeries *donut = m_donuts.at(i);
Marek Rosa
Added insert, remove and other common methodds to QDonutGroup. Donut example added
 r1693 qreal phaseShift = -50 + qrand() % 100;
donut->setPieStartAngle(donut->pieStartAngle() + phaseShift);
donut->setPieEndAngle(donut->pieEndAngle() + phaseShift);
}
}
Jani Honkonen
coding style fixes for demos
 r2099 //! [6]
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697
Jani Honkonen
coding style fixes for demos
 r2099 //! [7]
Marek Rosa
Removed QDonutGroup class. Added Donut Drill down example
 r1697 void Widget::explodeSlice(bool exploded)
{
QPieSlice *slice = qobject_cast<QPieSlice *>(sender());
if (exploded) {
updateTimer->stop();
qreal sliceStartAngle = slice->startAngle();
qreal sliceEndAngle = slice->startAngle() + slice->angleSpan();
QPieSeries *donut = slice->series();
qreal seriesIndex = m_donuts.indexOf(donut);
for (int i = seriesIndex + 1; i < m_donuts.count(); i++) {
m_donuts.at(i)->setPieStartAngle(sliceEndAngle);
m_donuts.at(i)->setPieEndAngle(360 + sliceStartAngle);
}
} else {
for (int i = 0; i < m_donuts.count(); i++) {
m_donuts.at(i)->setPieStartAngle(0);
m_donuts.at(i)->setPieEndAngle(360);
}
updateTimer->start();
}
slice->setExploded(exploded);
}
Jani Honkonen
coding style fixes for demos
 r2099 //! [7]