themewidget.cpp
371 lines
| 12.5 KiB
| text/x-c
|
CppLexer
Michal Klocek
|
r748 | /**************************************************************************** | ||
Jani Honkonen
|
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
|
r748 | |||
| #include "themewidget.h" | ||||
| #include <QChartView> | ||||
| #include <QPieSeries> | ||||
| #include <QPieSlice> | ||||
sauimone
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r1586 | #include <QAbstractBarSeries> | ||
|
Michal Klocek
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r748 | #include <QPercentBarSeries> | ||
| #include <QStackedBarSeries> | ||||
|
sauimone
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r1673 | #include <QBarSeries> | ||
|
Michal Klocek
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r748 | #include <QBarSet> | ||
| #include <QLineSeries> | ||||
| #include <QSplineSeries> | ||||
| #include <QScatterSeries> | ||||
| #include <QAreaSeries> | ||||
|
sauimone
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r803 | #include <QLegend> | ||
|
Michal Klocek
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r748 | #include <QGridLayout> | ||
| #include <QFormLayout> | ||||
| #include <QComboBox> | ||||
| #include <QSpinBox> | ||||
| #include <QCheckBox> | ||||
| #include <QGroupBox> | ||||
| #include <QLabel> | ||||
| #include <QTime> | ||||
Marek Rosa
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r1809 | #include <QBarCategoryAxis> | ||
|
Michal Klocek
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r748 | |||
|
Jani Honkonen
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r2099 | ThemeWidget::ThemeWidget(QWidget *parent) : | ||
|
Michal Klocek
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r748 | QWidget(parent), | ||
| m_listCount(3), | ||||
Tero Ahola
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r843 | m_valueMax(10), | ||
| m_valueCount(7), | ||||
|
Jani Honkonen
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r2099 | m_dataTable(generateRandomData(m_listCount, m_valueMax, m_valueCount)), | ||
|
Michal Klocek
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r748 | m_themeComboBox(createThemeBox()), | ||
|
Tero Ahola
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r853 | m_antialiasCheckBox(new QCheckBox("Anti-aliasing")), | ||
|
sauimone
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r803 | m_animatedComboBox(createAnimationBox()), | ||
| m_legendComboBox(createLegendBox()) | ||||
|
Michal Klocek
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r748 | { | ||
| connectSignals(); | ||||
| // create layout | ||||
|
Jani Honkonen
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r2099 | QGridLayout *baseLayout = new QGridLayout(); | ||
|
Michal Klocek
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r748 | QHBoxLayout *settingsLayout = new QHBoxLayout(); | ||
| settingsLayout->addWidget(new QLabel("Theme:")); | ||||
| settingsLayout->addWidget(m_themeComboBox); | ||||
| settingsLayout->addWidget(new QLabel("Animation:")); | ||||
| settingsLayout->addWidget(m_animatedComboBox); | ||||
|
Michal Klocek
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r855 | settingsLayout->addWidget(new QLabel("Legend:")); | ||
|
sauimone
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r803 | settingsLayout->addWidget(m_legendComboBox); | ||
|
Michal Klocek
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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
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r754 | chartView = new QChartView(createScatterChart()); | ||
|
Michal Klocek
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r748 | baseLayout->addWidget(chartView, 2, 2); | ||
| m_charts << chartView; | ||||
| setLayout(baseLayout); | ||||
|
Tero Ahola
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r843 | |||
| // Set defaults | ||||
| m_antialiasCheckBox->setChecked(true); | ||||
|
Michal Klocek
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r855 | updateUI(); | ||
|
Michal Klocek
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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
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r803 | connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); | ||
|
Michal Klocek
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r748 | } | ||
|
Jani Honkonen
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r2099 | DataTable ThemeWidget::generateRandomData(int listCount, int valueMax, int valueCount) const | ||
|
Michal Klocek
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r748 | { | ||
| 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
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r843 | qreal yValue(0); | ||
|
Michal Klocek
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r748 | for (int j(0); j < valueCount; j++) { | ||
|
Jani Honkonen
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r2099 | yValue = yValue + (qreal)(qrand() % valueMax) / (qreal) valueCount; | ||
|
Tero Ahola
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r843 | QPointF value((j + (qreal) rand() / (qreal) RAND_MAX) * ((qreal) m_valueMax / (qreal) valueCount), | ||
| yValue); | ||||
|
Tero Ahola
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r945 | QString label = "Slice " + QString::number(i) + ":" + QString::number(j); | ||
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Michal Klocek
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r748 | dataList << Data(value, label); | ||
| } | ||||
| dataTable << dataList; | ||||
| } | ||||
| return dataTable; | ||||
| } | ||||
|
Jani Honkonen
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r2099 | QComboBox *ThemeWidget::createThemeBox() const | ||
|
Michal Klocek
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r748 | { | ||
| // settings layout | ||||
|
Jani Honkonen
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r2099 | QComboBox *themeComboBox = new QComboBox(); | ||
|
Michal Klocek
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r748 | 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
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r757 | themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast); | ||
| themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy); | ||||
|
Michal Klocek
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r748 | return themeComboBox; | ||
| } | ||||
|
Jani Honkonen
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r2099 | QComboBox *ThemeWidget::createAnimationBox() const | ||
|
Michal Klocek
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r748 | { | ||
| // settings layout | ||||
|
Jani Honkonen
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r2099 | QComboBox *animationComboBox = new QComboBox(); | ||
|
Michal Klocek
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r748 | 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; | ||||
| } | ||||
|
Jani Honkonen
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r2099 | QComboBox *ThemeWidget::createLegendBox() const | ||
|
sauimone
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r803 | { | ||
|
Jani Honkonen
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r2099 | QComboBox *legendComboBox = new QComboBox(); | ||
|
Michal Klocek
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r855 | legendComboBox->addItem("No Legend ", 0); | ||
|
Tero Ahola
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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
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r803 | return legendComboBox; | ||
| } | ||||
|
Jani Honkonen
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r2099 | QChart *ThemeWidget::createAreaChart() const | ||
|
Michal Klocek
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r748 | { | ||
| QChart *chart = new QChart(); | ||||
| chart->setTitle("Area chart"); | ||||
|
Tero Ahola
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r843 | |||
| // The lower series initialized to zero values | ||||
|
Tero Ahola
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r845 | QLineSeries *lowerSeries = 0; | ||
|
Tero Ahola
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r958 | QString name("Series "); | ||
| int nameIndex = 0; | ||||
|
Tero Ahola
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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); | ||||
|
Jani Honkonen
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r2099 | if (lowerSeries) { | ||
|
Michal Klocek
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r1057 | const QList<QPointF>& points = lowerSeries->points(); | ||
| upperSeries->append(QPointF(j, points[i].y() + data.first.y())); | ||||
|
Jani Honkonen
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r2099 | } else { | ||
|
Tero Ahola
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r845 | upperSeries->append(QPointF(j, data.first.y())); | ||
|
Jani Honkonen
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r2099 | } | ||
|
Michal Klocek
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r748 | } | ||
|
Tero Ahola
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r843 | QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries); | ||
| area->setName(name + QString::number(nameIndex)); | ||||
| nameIndex++; | ||||
| chart->addSeries(area); | ||||
|
Marek Rosa
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r1582 | chart->createDefaultAxes(); | ||
|
Tero Ahola
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r843 | lowerSeries = upperSeries; | ||
|
Michal Klocek
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r748 | } | ||
|
Tero Ahola
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r958 | |||
|
Michal Klocek
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r748 | return chart; | ||
| } | ||||
|
Jani Honkonen
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r2099 | QChart *ThemeWidget::createBarChart(int valueCount) const | ||
|
Michal Klocek
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r748 | { | ||
|
sauimone
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r1675 | Q_UNUSED(valueCount); | ||
|
Jani Honkonen
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r2099 | QChart *chart = new QChart(); | ||
|
Michal Klocek
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r748 | chart->setTitle("Bar chart"); | ||
|
Tero Ahola
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r958 | |||
|
Jani Honkonen
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r2099 | QStackedBarSeries *series = new QStackedBarSeries(chart); | ||
|
Tero Ahola
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r843 | for (int i(0); i < m_dataTable.count(); i++) { | ||
|
Tero Ahola
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r945 | QBarSet *set = new QBarSet("Bar set " + QString::number(i)); | ||
|
Tero Ahola
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r843 | foreach (Data data, m_dataTable[i]) | ||
| *set << data.first.y(); | ||||
|
sauimone
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r1194 | series->append(set); | ||
|
Michal Klocek
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r748 | } | ||
|
Tero Ahola
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r843 | chart->addSeries(series); | ||
|
Michal Klocek
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r1577 | chart->createDefaultAxes(); | ||
|
Tero Ahola
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r958 | |||
|
Michal Klocek
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r748 | return chart; | ||
| } | ||||
|
Jani Honkonen
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r2099 | QChart *ThemeWidget::createLineChart() const | ||
|
Michal Klocek
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r748 | { | ||
|
Jani Honkonen
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r2099 | QChart *chart = new QChart(); | ||
|
Michal Klocek
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r748 | chart->setTitle("Line chart"); | ||
|
Tero Ahola
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r958 | |||
|
sauimone
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r786 | QString name("Series "); | ||
| int nameIndex = 0; | ||||
|
Michal Klocek
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r748 | foreach (DataList list, m_dataTable) { | ||
| QLineSeries *series = new QLineSeries(chart); | ||||
| foreach (Data data, list) | ||||
|
Jani Honkonen
|
r796 | series->append(data.first); | ||
|
sauimone
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r786 | series->setName(name + QString::number(nameIndex)); | ||
| nameIndex++; | ||||
|
Michal Klocek
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r748 | chart->addSeries(series); | ||
| } | ||||
|
Michal Klocek
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r1588 | chart->createDefaultAxes(); | ||
|
Tero Ahola
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r958 | |||
|
Michal Klocek
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r748 | return chart; | ||
| } | ||||
|
Jani Honkonen
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r2099 | QChart *ThemeWidget::createPieChart() const | ||
|
Michal Klocek
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r748 | { | ||
|
Jani Honkonen
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r2099 | QChart *chart = new QChart(); | ||
|
Michal Klocek
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r748 | chart->setTitle("Pie chart"); | ||
|
Tero Ahola
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r958 | |||
|
Michal Klocek
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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
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r1206 | QPieSlice *slice = series->append(data.second, data.first.y()); | ||
|
Michal Klocek
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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
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r884 | series->setHorizontalPosition(hPos); | ||
| series->setVerticalPosition(0.5); | ||||
|
Michal Klocek
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r748 | chart->addSeries(series); | ||
| } | ||||
| return chart; | ||||
| } | ||||
|
Jani Honkonen
|
r2099 | QChart *ThemeWidget::createSplineChart() const | ||
| { | ||||
| // spine chart | ||||
| QChart *chart = new QChart(); | ||||
|
Michal Klocek
|
r748 | chart->setTitle("Spline chart"); | ||
|
sauimone
|
r786 | QString name("Series "); | ||
| int nameIndex = 0; | ||||
|
Michal Klocek
|
r748 | foreach (DataList list, m_dataTable) { | ||
| QSplineSeries *series = new QSplineSeries(chart); | ||||
| foreach (Data data, list) | ||||
|
Jani Honkonen
|
r796 | series->append(data.first); | ||
|
sauimone
|
r786 | series->setName(name + QString::number(nameIndex)); | ||
| nameIndex++; | ||||
|
Michal Klocek
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r748 | chart->addSeries(series); | ||
| } | ||||
|
Michal Klocek
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r1588 | chart->createDefaultAxes(); | ||
|
Michal Klocek
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r748 | return chart; | ||
| } | ||||
|
Jani Honkonen
|
r2099 | QChart *ThemeWidget::createScatterChart() const | ||
| { | ||||
| // scatter chart | ||||
| QChart *chart = new QChart(); | ||||
|
Michal Klocek
|
r748 | chart->setTitle("Scatter chart"); | ||
|
sauimone
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r786 | QString name("Series "); | ||
| int nameIndex = 0; | ||||
|
Michal Klocek
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r748 | foreach (DataList list, m_dataTable) { | ||
| QScatterSeries *series = new QScatterSeries(chart); | ||||
| foreach (Data data, list) | ||||
|
Jani Honkonen
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r796 | series->append(data.first); | ||
|
sauimone
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r786 | series->setName(name + QString::number(nameIndex)); | ||
| nameIndex++; | ||||
|
Michal Klocek
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r748 | chart->addSeries(series); | ||
| } | ||||
|
Michal Klocek
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r1588 | chart->createDefaultAxes(); | ||
|
Michal Klocek
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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
|
r757 | } else if (theme == QChart::ChartThemeDark) { | ||
|
Michal Klocek
|
r748 | pal.setColor(QPalette::Window, QRgb(0x121218)); | ||
| pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); | ||||
|
Tero Ahola
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r757 | } else if (theme == QChart::ChartThemeBlueCerulean) { | ||
|
Michal Klocek
|
r748 | pal.setColor(QPalette::Window, QRgb(0x40434a)); | ||
| pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); | ||||
|
Tero Ahola
|
r757 | } else if (theme == QChart::ChartThemeBrownSand) { | ||
|
Michal Klocek
|
r748 | pal.setColor(QPalette::Window, QRgb(0x9e8965)); | ||
| pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
|
Tero Ahola
|
r757 | } else if (theme == QChart::ChartThemeBlueNcs) { | ||
|
Michal Klocek
|
r748 | pal.setColor(QPalette::Window, QRgb(0x018bba)); | ||
| pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
|
Tero Ahola
|
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
|
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
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r803 | |||
|
Tero Ahola
|
r1357 | Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt()); | ||
|
Michal Klocek
|
r855 | |||
| if (!alignment) { | ||||
|
Jani Honkonen
|
r2099 | foreach (QChartView *chartView, m_charts) | ||
|
Michal Klocek
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r855 | chartView->chart()->legend()->hide(); | ||
|
Tero Ahola
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r958 | } else { | ||
|
Tero Ahola
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r848 | foreach (QChartView *chartView, m_charts) { | ||
|
Jani Honkonen
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r907 | chartView->chart()->legend()->setAlignment(alignment); | ||
|
Michal Klocek
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r855 | chartView->chart()->legend()->show(); | ||
|
Tero Ahola
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r848 | } | ||
|
Tero Ahola
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r958 | } | ||
|
Michal Klocek
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r748 | } | ||