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Refactors QAxis to QAbstractAxis...
Refactors QAxis to QAbstractAxis * adds subclasses QValuesAxis , QCategoriesAxis * barchart examples does not work correcly * failing tst_qchart * disabled custmchart example , tst_dataset * setNiceNumbers moved to TODO in examples and demos
Michal Klocek - - Load All Authors

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r1541:88a7b44ee136
r1541:88a7b44ee136
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themewidget.cpp
380 lines | 13.0 KiB | text/x-c | CppLexer
/ demos / chartthemes / themewidget.cpp
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Michal Klocek
Updates chartstheme demo, small refactor
 r748 /****************************************************************************
Jani Honkonen
Add/modify license headers
 r830 **
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Michal Klocek
Updates chartstheme demo, small refactor
 r748
#include "themewidget.h"
#include <QChartView>
#include <QPieSeries>
#include <QPieSlice>
#include <QBarSeries>
#include <QPercentBarSeries>
#include <QStackedBarSeries>
#include <QBarSet>
#include <QLineSeries>
#include <QSplineSeries>
#include <QScatterSeries>
#include <QAreaSeries>
sauimone
legend pos to theme example, legend padding
 r803 #include <QLegend>
Michal Klocek
Updates chartstheme demo, small refactor
 r748 #include <QGridLayout>
#include <QFormLayout>
#include <QComboBox>
#include <QSpinBox>
#include <QCheckBox>
#include <QGroupBox>
#include <QLabel>
#include <QTime>
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 #include <QCategoriesAxis>
Michal Klocek
Updates chartstheme demo, small refactor
 r748
ThemeWidget::ThemeWidget(QWidget* parent) :
QWidget(parent),
m_listCount(3),
Tero Ahola
Better test data for theme demo
 r843 m_valueMax(10),
m_valueCount(7),
Michal Klocek
Updates chartstheme demo, small refactor
 r748 m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)),
m_themeComboBox(createThemeBox()),
Tero Ahola
Removed default theme, now using light as the default
 r853 m_antialiasCheckBox(new QCheckBox("Anti-aliasing")),
sauimone
legend pos to theme example, legend padding
 r803 m_animatedComboBox(createAnimationBox()),
m_legendComboBox(createLegendBox())
Michal Klocek
Updates chartstheme demo, small refactor
 r748 {
connectSignals();
// create layout
QGridLayout* baseLayout = new QGridLayout();
QHBoxLayout *settingsLayout = new QHBoxLayout();
settingsLayout->addWidget(new QLabel("Theme:"));
settingsLayout->addWidget(m_themeComboBox);
settingsLayout->addWidget(new QLabel("Animation:"));
settingsLayout->addWidget(m_animatedComboBox);
Michal Klocek
Refactor qledgend handling...
 r855 settingsLayout->addWidget(new QLabel("Legend:"));
sauimone
legend pos to theme example, legend padding
 r803 settingsLayout->addWidget(m_legendComboBox);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 settingsLayout->addWidget(m_antialiasCheckBox);
settingsLayout->addStretch();
baseLayout->addLayout(settingsLayout, 0, 0, 1, 3);
//create charts
QChartView *chartView;
chartView = new QChartView(createAreaChart());
baseLayout->addWidget(chartView, 1, 0);
m_charts << chartView;
chartView = new QChartView(createBarChart(m_valueCount));
baseLayout->addWidget(chartView, 1, 1);
m_charts << chartView;
chartView = new QChartView(createLineChart());
baseLayout->addWidget(chartView, 1, 2);
m_charts << chartView;
chartView = new QChartView(createPieChart());
chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen...
baseLayout->addWidget(chartView, 2, 0);
m_charts << chartView;
chartView = new QChartView(createSplineChart());
baseLayout->addWidget(chartView, 2, 1);
m_charts << chartView;
Michal Klocek
minor. typo
 r754 chartView = new QChartView(createScatterChart());
Michal Klocek
Updates chartstheme demo, small refactor
 r748 baseLayout->addWidget(chartView, 2, 2);
m_charts << chartView;
setLayout(baseLayout);
Tero Ahola
Better test data for theme demo
 r843
// Set defaults
m_antialiasCheckBox->setChecked(true);
Michal Klocek
Refactor qledgend handling...
 r855 updateUI();
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
ThemeWidget::~ThemeWidget()
{
}
void ThemeWidget::connectSignals()
{
connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
sauimone
legend pos to theme example, legend padding
 r803 connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const
{
DataTable dataTable;
// set seed for random stuff
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
// generate random data
for (int i(0); i < listCount; i++) {
DataList dataList;
Tero Ahola
Better test data for theme demo
 r843 qreal yValue(0);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 for (int j(0); j < valueCount; j++) {
Tero Ahola
Better test data for theme demo
 r843 yValue = yValue + (qreal) (qrand() % valueMax) / (qreal) valueCount;
QPointF value((j + (qreal) rand() / (qreal) RAND_MAX) * ((qreal) m_valueMax / (qreal) valueCount),
yValue);
Tero Ahola
Theme example sets and slices renamed (shown if legend enabled)
 r945 QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 dataList << Data(value, label);
}
dataTable << dataList;
}
return dataTable;
}
QComboBox* ThemeWidget::createThemeBox() const
{
// settings layout
QComboBox* themeComboBox = new QComboBox();
themeComboBox->addItem("Light", QChart::ChartThemeLight);
themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
themeComboBox->addItem("Dark", QChart::ChartThemeDark);
themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 return themeComboBox;
}
QComboBox* ThemeWidget::createAnimationBox() const
{
// settings layout
QComboBox* animationComboBox = new QComboBox();
animationComboBox->addItem("No Animations", QChart::NoAnimation);
animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
animationComboBox->addItem("All Animations", QChart::AllAnimations);
return animationComboBox;
}
sauimone
legend pos to theme example, legend padding
 r803 QComboBox* ThemeWidget::createLegendBox() const
{
QComboBox* legendComboBox = new QComboBox();
Michal Klocek
Refactor qledgend handling...
 r855 legendComboBox->addItem("No Legend ", 0);
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 legendComboBox->addItem("Legend Top", Qt::AlignTop);
legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
legendComboBox->addItem("Legend Left", Qt::AlignLeft);
legendComboBox->addItem("Legend Right", Qt::AlignRight);
sauimone
legend pos to theme example, legend padding
 r803 return legendComboBox;
}
Michal Klocek
Updates chartstheme demo, small refactor
 r748 QChart* ThemeWidget::createAreaChart() const
{
QChart *chart = new QChart();
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 // chart->axisX()->setNiceNumbersEnabled(true);
// chart->axisY()->setNiceNumbersEnabled(true);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->setTitle("Area chart");
Tero Ahola
Better test data for theme demo
 r843
// The lower series initialized to zero values
Tero Ahola
Simpler area series in the theme demo
 r845 QLineSeries *lowerSeries = 0;
Tero Ahola
Removed key zoom/scroll from QChartView
 r958 QString name("Series ");
int nameIndex = 0;
Tero Ahola
Better test data for theme demo
 r843 for (int i(0); i < m_dataTable.count(); i++) {
QLineSeries *upperSeries = new QLineSeries(chart);
for (int j(0); j < m_dataTable[i].count(); j++) {
Data data = m_dataTable[i].at(j);
Michal Klocek
Fixes and improvments to series API...
 r1057 if (lowerSeries){
const QList<QPointF>& points = lowerSeries->points();
upperSeries->append(QPointF(j, points[i].y() + data.first.y()));
}else
Tero Ahola
Simpler area series in the theme demo
 r845 upperSeries->append(QPointF(j, data.first.y()));
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
Tero Ahola
Better test data for theme demo
 r843 QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries);
area->setName(name + QString::number(nameIndex));
nameIndex++;
chart->addSeries(area);
lowerSeries = upperSeries;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
Michal Klocek
Updates chartstheme demo, small refactor
 r748 return chart;
}
QChart* ThemeWidget::createBarChart(int valueCount) const
{
QChart* chart = new QChart();
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 //TODO: chart->axisX()->setNiceNumbersEnabled(true);
//TODO: chart->axisY()->setNiceNumbersEnabled(true);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->setTitle("Bar chart");
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
sauimone
removed categories from barseries. categories are now only on axis
 r1321 QStringList categories;
Tero Ahola
Better test data for theme demo
 r843 for (int i(0); i < valueCount; i++)
categories << QString::number(i);
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 QCategoriesAxis* axis = new QCategoriesAxis();
axis->append(categories);
sauimone
removed categories from barseries. categories are now only on axis
 r1321
sauimone
theme widget fix
 r1113 QStackedBarSeries* series = new QStackedBarSeries(chart);
Tero Ahola
Better test data for theme demo
 r843 for (int i(0); i < m_dataTable.count(); i++) {
Tero Ahola
Theme example sets and slices renamed (shown if legend enabled)
 r945 QBarSet *set = new QBarSet("Bar set " + QString::number(i));
Tero Ahola
Better test data for theme demo
 r843 foreach (Data data, m_dataTable[i])
*set << data.first.y();
sauimone
Renamed appendBarSet to append, removeBarSet to remove
 r1194 series->append(set);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
Tero Ahola
Better test data for theme demo
 r843 chart->addSeries(series);
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 chart->setAxisX(series,axis);
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
Michal Klocek
Updates chartstheme demo, small refactor
 r748 return chart;
}
QChart* ThemeWidget::createLineChart() const
{
QChart* chart = new QChart();
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 //TODO: chart->axisX()->setNiceNumbersEnabled(true);
//TODO: chart->axisY()->setNiceNumbersEnabled(true);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->setTitle("Line chart");
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
sauimone
updated theme example. minor fix to legend
 r786 QString name("Series ");
int nameIndex = 0;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 foreach (DataList list, m_dataTable) {
QLineSeries *series = new QLineSeries(chart);
foreach (Data data, list)
Jani Honkonen
rename functions add() -> append()
 r796 series->append(data.first);
sauimone
updated theme example. minor fix to legend
 r786 series->setName(name + QString::number(nameIndex));
nameIndex++;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->addSeries(series);
}
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
Michal Klocek
Updates chartstheme demo, small refactor
 r748 return chart;
}
QChart* ThemeWidget::createPieChart() const
{
QChart* chart = new QChart();
chart->setTitle("Pie chart");
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
Michal Klocek
Updates chartstheme demo, small refactor
 r748 qreal pieSize = 1.0 / m_dataTable.count();
for (int i = 0; i < m_dataTable.count(); i++) {
QPieSeries *series = new QPieSeries(chart);
foreach (Data data, m_dataTable[i]) {
Jani Honkonen
pie: change the order of parameters when creating slices to be more intuitive
 r1206 QPieSlice *slice = series->append(data.second, data.first.y());
Michal Klocek
Updates chartstheme demo, small refactor
 r748 if (data == m_dataTable[i].first()) {
slice->setLabelVisible();
slice->setExploded();
}
}
qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
series->setPieSize(pieSize);
Tero Ahola
QSeries name and QPieSeries properties to QML api
 r884 series->setHorizontalPosition(hPos);
series->setVerticalPosition(0.5);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->addSeries(series);
}
return chart;
}
QChart* ThemeWidget::createSplineChart() const
{ // spine chart
QChart* chart = new QChart();
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 //TODO: chart->axisX()->setNiceNumbersEnabled(true);
//TODO: chart->axisY()->setNiceNumbersEnabled(true);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->setTitle("Spline chart");
sauimone
updated theme example. minor fix to legend
 r786 QString name("Series ");
int nameIndex = 0;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 foreach (DataList list, m_dataTable) {
QSplineSeries *series = new QSplineSeries(chart);
foreach (Data data, list)
Jani Honkonen
rename functions add() -> append()
 r796 series->append(data.first);
sauimone
updated theme example. minor fix to legend
 r786 series->setName(name + QString::number(nameIndex));
nameIndex++;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->addSeries(series);
}
return chart;
}
QChart* ThemeWidget::createScatterChart() const
{ // scatter chart
QChart* chart = new QChart();
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 //TODO: chart->axisX()->setNiceNumbersEnabled(true);
//TODO: chart->axisY()->setNiceNumbersEnabled(true);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->setTitle("Scatter chart");
sauimone
updated theme example. minor fix to legend
 r786 QString name("Series ");
int nameIndex = 0;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 foreach (DataList list, m_dataTable) {
QScatterSeries *series = new QScatterSeries(chart);
foreach (Data data, list)
Jani Honkonen
rename functions add() -> append()
 r796 series->append(data.first);
sauimone
updated theme example. minor fix to legend
 r786 series->setName(name + QString::number(nameIndex));
nameIndex++;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->addSeries(series);
}
return chart;
}
void ThemeWidget::updateUI()
{
QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
if (m_charts.at(0)->chart()->theme() != theme) {
foreach (QChartView *chartView, m_charts)
chartView->chart()->setTheme(theme);
QPalette pal = window()->palette();
if (theme == QChart::ChartThemeLight) {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 } else if (theme == QChart::ChartThemeDark) {
Michal Klocek
Updates chartstheme demo, small refactor
 r748 pal.setColor(QPalette::Window, QRgb(0x121218));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 } else if (theme == QChart::ChartThemeBlueCerulean) {
Michal Klocek
Updates chartstheme demo, small refactor
 r748 pal.setColor(QPalette::Window, QRgb(0x40434a));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 } else if (theme == QChart::ChartThemeBrownSand) {
Michal Klocek
Updates chartstheme demo, small refactor
 r748 pal.setColor(QPalette::Window, QRgb(0x9e8965));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 } else if (theme == QChart::ChartThemeBlueNcs) {
Michal Klocek
Updates chartstheme demo, small refactor
 r748 pal.setColor(QPalette::Window, QRgb(0x018bba));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 } else if (theme == QChart::ChartThemeHighContrast) {
pal.setColor(QPalette::Window, QRgb(0xffab03));
pal.setColor(QPalette::WindowText, QRgb(0x181818));
} else if (theme == QChart::ChartThemeBlueIcy) {
pal.setColor(QPalette::Window, QRgb(0xcee7f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else {
Michal Klocek
Updates chartstheme demo, small refactor
 r748 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
window()->setPalette(pal);
}
bool checked = m_antialiasCheckBox->isChecked();
foreach (QChartView *chart, m_charts)
chart->setRenderHint(QPainter::Antialiasing, checked);
QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
if (m_charts.at(0)->chart()->animationOptions() != options) {
foreach (QChartView *chartView, m_charts)
chartView->chart()->setAnimationOptions(options);
}
sauimone
legend pos to theme example, legend padding
 r803
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
Michal Klocek
Refactor qledgend handling...
 r855
if (!alignment) {
Tero Ahola
Added option for disabling legend in chart theme demo
 r848 foreach (QChartView *chartView, m_charts) {
Michal Klocek
Refactor qledgend handling...
 r855 chartView->chart()->legend()->hide();
Tero Ahola
Added option for disabling legend in chart theme demo
 r848 }
Tero Ahola
Removed key zoom/scroll from QChartView
 r958 } else {
Tero Ahola
Added option for disabling legend in chart theme demo
 r848 foreach (QChartView *chartView, m_charts) {
Jani Honkonen
Spelling fix QLegend::setAlignmnent -> setAlignment
 r907 chartView->chart()->legend()->setAlignment(alignment);
Michal Klocek
Refactor qledgend handling...
 r855 chartView->chart()->legend()->show();
Tero Ahola
Added option for disabling legend in chart theme demo
 r848 }
Tero Ahola
Removed key zoom/scroll from QChartView
 r958 }
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }