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removed mention to Finland and modified temperatures in example to avoid possible copyright issues. Using fictional data now.
removed mention to Finland and modified temperatures in example to avoid possible copyright issues. Using fictional data now.
Jani Honkonen - - Load All Authors

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themewidget.cpp
371 lines | 12.5 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>
sauimone
renamed barseries files to abstractbarseries
 r1586 #include <QAbstractBarSeries>
Michal Klocek
Updates chartstheme demo, small refactor
 r748 #include <QPercentBarSeries>
#include <QStackedBarSeries>
sauimone
refactored baranimations
 r1673 #include <QBarSeries>
Michal Klocek
Updates chartstheme demo, small refactor
 r748 #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>
Marek Rosa
QBarCategoriesAxis renamed to QBarCategoryAxis
 r1809 #include <QBarCategoryAxis>
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);
Marek Rosa
Updated chartthemes demo
 r1582 chart->createDefaultAxes();
Tero Ahola
Better test data for theme demo
 r843 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
{
sauimone
removed warning from chartthemes demo
 r1675 Q_UNUSED(valueCount);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 QChart* chart = new QChart();
chart->setTitle("Bar chart");
Tero Ahola
Removed key zoom/scroll from QChartView
 r958
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
Refactor QChart API...
 r1577 chart->createDefaultAxes();
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();
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);
}
Michal Klocek
Adds createDefaultAxes logic
 r1588 chart->createDefaultAxes();
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();
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);
}
Michal Klocek
Adds createDefaultAxes logic
 r1588 chart->createDefaultAxes();
Michal Klocek
Updates chartstheme demo, small refactor
 r748 return chart;
}
QChart* ThemeWidget::createScatterChart() const
{ // scatter chart
QChart* chart = new QChart();
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);
}
Michal Klocek
Adds createDefaultAxes logic
 r1588 chart->createDefaultAxes();
Michal Klocek
Updates chartstheme demo, small refactor
 r748 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 }