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Fix bug/typo in chartdataset
Fix bug/typo in chartdataset
sauimone - - Load All Authors

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themewidget.cpp
366 lines | 13.1 KiB | text/x-c | CppLexer
/ demos / chartthemes / themewidget.cpp
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Michal Klocek
Updates chartstheme demo, small refactor
 r748 /****************************************************************************
**
** Copyright (C) 2012 Digia Plc
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**
** This file is part of the Qt Commercial Charts Add-on.
**
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**
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** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia nor the names of its contributors
** may be used to endorse or promote products derived from this
** software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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****************************************************************************/
#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>
ThemeWidget::ThemeWidget(QWidget* parent) :
QWidget(parent),
m_listCount(3),
m_valueMax(100),
m_valueCount(11),
m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)),
m_themeComboBox(createThemeBox()),
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);
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);
}
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;
for (int j(0); j < valueCount; j++) {
QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
QString label = "Item " + QString::number(i) + ":" + QString::number(j);
dataList << Data(value, label);
}
dataTable << dataList;
}
return dataTable;
}
QComboBox* ThemeWidget::createThemeBox() const
{
// settings layout
QComboBox* themeComboBox = new QComboBox();
themeComboBox->addItem("Default", QChart::ChartThemeDefault);
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();
legendComboBox->addItem("Legend Top", QLegend::AlignmentTop);
legendComboBox->addItem("Legend Bottom", QLegend::AlignmentBottom);
legendComboBox->addItem("Legend Left", QLegend::AlignmentLeft);
legendComboBox->addItem("Legend Right", QLegend::AlignmentRight);
return legendComboBox;
}
Michal Klocek
Updates chartstheme demo, small refactor
 r748 QChart* ThemeWidget::createAreaChart() const
{
// area chart
QChart *chart = new QChart();
chart->setTitle("Area chart");
{
sauimone
updated theme example. minor fix to legend
 r786 QString name("Series ");
int nameIndex = 0;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 for (int i(0); i < m_dataTable.count(); i++) {
QLineSeries *series1 = new QLineSeries(chart);
QLineSeries *series2 = new QLineSeries(chart);
foreach (Data data, m_dataTable[i]) {
Jani Honkonen
rename functions add() -> append()
 r796 series1->append(data.first);
series2->append(QPointF(data.first.x(), 0.0));
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
QAreaSeries *area = new QAreaSeries(series1, series2);
sauimone
legend refactoring.
 r792 area->setName(name + QString::number(nameIndex));
nameIndex++;
Michal Klocek
Updates chartstheme demo, small refactor
 r748 chart->addSeries(area);
}
}
return chart;
}
QChart* ThemeWidget::createBarChart(int valueCount) const
{
// bar chart
QChart* chart = new QChart();
chart->setTitle("Bar chart");
{
QBarCategories categories;
// TODO: categories
for (int i(0); i < valueCount; i++)
categories << QString::number(i);
// QBarSeries* series = new QBarSeries(categories, chart);
// QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
QStackedBarSeries* series = new QStackedBarSeries(categories, chart);
for (int i(0); i < m_dataTable.count(); i++) {
QBarSet *set = new QBarSet("Set" + QString::number(i));
foreach (Data data, m_dataTable[i])
*set << data.first.y();
sauimone
const to getters, renamed addBarset to appendBarset
 r776 series->appendBarSet(set);
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }
chart->addSeries(series);
}
return chart;
}
QChart* ThemeWidget::createLineChart() const
{
// line chart
QChart* chart = new QChart();
chart->setTitle("Line 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) {
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);
}
return chart;
}
QChart* ThemeWidget::createPieChart() const
{
// pie chart
QChart* chart = new QChart();
chart->setTitle("Pie chart");
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
rename functions add() -> append()
 r796 QPieSlice *slice = series->append(data.first.y(), data.second);
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);
series->setPiePosition(hPos, 0.5);
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);
}
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);
}
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
QLegend::Alignments alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
foreach (QChartView *chartView, m_charts) {
chartView->chart()->legend()->setAlignmnent(alignment);
}
Michal Klocek
Updates chartstheme demo, small refactor
 r748 }