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Updated plugins.qmltypes...
Updated plugins.qmltypes Change-Id: Idb503f92b4b7a34ba7cf9c3a217f11aa65ce61e2 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
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mainwidget.cpp
377 lines | 13.4 KiB | text/x-c | CppLexer
/ tests / manual / chartwidgettest / mainwidget.cpp
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Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 /****************************************************************************
**
Titta Heikkala
Copyright header changes...
 r2776 ** Copyright (C) 2015 The Qt Company Ltd
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 ** All rights reserved.
Titta Heikkala
Copyright header changes...
 r2776 ** For any questions to The Qt Company, please use contact form at http://qt.io
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 **
Titta Heikkala
Updated license headers...
 r2740 ** This file is part of the Qt Charts module.
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 **
Titta Heikkala
Updated license headers...
 r2740 ** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
Titta Heikkala
Copyright header changes...
 r2776 ** agreement between you and The Qt Company.
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 **
** If you have questions regarding the use of this file, please use
Titta Heikkala
Updated license headers...
 r2740 ** contact form at http://qt.io
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 **
****************************************************************************/
#include "mainwidget.h"
#include "dataseriedialog.h"
#include <QtCharts/QChartView>
#include <QtCharts/QPieSeries>
#include <QtCharts/QScatterSeries>
#include <QtCharts/QLineSeries>
#include <QtCharts/QAreaSeries>
#include <QtCharts/QSplineSeries>
#include <QtCharts/QBarSet>
#include <QtCharts/QBarSeries>
#include <QtCharts/QStackedBarSeries>
#include <QtCharts/QPercentBarSeries>
#include <QtWidgets/QPushButton>
#include <QtWidgets/QComboBox>
#include <QtWidgets/QSpinBox>
#include <QtWidgets/QCheckBox>
#include <QtWidgets/QGridLayout>
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QLabel>
#include <QtWidgets/QSpacerItem>
#include <QtWidgets/QMessageBox>
#include <cmath>
#include <QtCore/QDebug>
#include <QtGui/QStandardItemModel>
#include <QtCharts/QBarCategoryAxis>
Miikka Heikkinen
Fix label clipping issues using QOpenGLWidget as ChartView viewport...
 r2828 #include <QtWidgets/QOpenGLWidget>
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734
QT_CHARTS_USE_NAMESPACE
MainWidget::MainWidget(QWidget *parent) :
QWidget(parent),
m_addSerieDialog(0),
m_chart(0)
{
m_chart = new QChart();
// Grid layout for the controls for configuring the chart widget
QGridLayout *grid = new QGridLayout();
QPushButton *addSeriesButton = new QPushButton("Add series");
connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
grid->addWidget(addSeriesButton, 0, 1);
initBackroundCombo(grid);
initScaleControls(grid);
initThemeCombo(grid);
initCheckboxes(grid);
// add row with empty label to make all the other rows static
grid->addWidget(new QLabel(""), grid->rowCount(), 0);
grid->setRowStretch(grid->rowCount() - 1, 1);
// Create chart view with the chart
m_chartView = new QChartView(m_chart, this);
Miikka Heikkinen
Remove deprecated elements from APIs....
 r2742 m_chartView->setRubberBand(QChartView::HorizontalRubberBand);
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734
// Another grid layout as a main layout
QGridLayout *mainLayout = new QGridLayout();
mainLayout->addLayout(grid, 0, 0);
mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
setLayout(mainLayout);
}
// Combo box for selecting the chart's background
void MainWidget::initBackroundCombo(QGridLayout *grid)
{
QComboBox *backgroundCombo = new QComboBox(this);
backgroundCombo->addItem("Color");
backgroundCombo->addItem("Gradient");
backgroundCombo->addItem("Image");
connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(backgroundChanged(int)));
grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
}
// Scale related controls (auto-scale vs. manual min-max values)
void MainWidget::initScaleControls(QGridLayout *grid)
{
m_autoScaleCheck = new QCheckBox("Automatic scaling");
connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
// Allow setting also non-sense values (like -2147483648 and 2147483647)
m_xMinSpin = new QSpinBox();
m_xMinSpin->setMinimum(INT_MIN);
m_xMinSpin->setMaximum(INT_MAX);
m_xMinSpin->setValue(0);
connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
m_xMaxSpin = new QSpinBox();
m_xMaxSpin->setMinimum(INT_MIN);
m_xMaxSpin->setMaximum(INT_MAX);
m_xMaxSpin->setValue(10);
connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
m_yMinSpin = new QSpinBox();
m_yMinSpin->setMinimum(INT_MIN);
m_yMinSpin->setMaximum(INT_MAX);
m_yMinSpin->setValue(0);
connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
m_yMaxSpin = new QSpinBox();
m_yMaxSpin->setMinimum(INT_MIN);
m_yMaxSpin->setMaximum(INT_MAX);
m_yMaxSpin->setValue(10);
connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
m_autoScaleCheck->setChecked(true);
}
// Combo box for selecting theme
void MainWidget::initThemeCombo(QGridLayout *grid)
{
QComboBox *chartTheme = new QComboBox();
chartTheme->addItem("Default");
chartTheme->addItem("Light");
chartTheme->addItem("Blue Cerulean");
chartTheme->addItem("Dark");
chartTheme->addItem("Brown Sand");
chartTheme->addItem("Blue NCS");
chartTheme->addItem("High Contrast");
chartTheme->addItem("Blue Icy");
chartTheme->addItem("Qt");
connect(chartTheme, SIGNAL(currentIndexChanged(int)),
this, SLOT(changeChartTheme(int)));
grid->addWidget(new QLabel("Chart theme:"), 8, 0);
grid->addWidget(chartTheme, 8, 1);
}
// Different check boxes for customizing chart
void MainWidget::initCheckboxes(QGridLayout *grid)
{
// TODO: setZoomEnabled slot has been removed from QChartView -> Re-implement zoom on/off
QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
// connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartView, SLOT(setZoomEnabled(bool)));
zoomCheckBox->setChecked(true);
grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
QCheckBox *aliasCheckBox = new QCheckBox("Anti-alias");
connect(aliasCheckBox, SIGNAL(toggled(bool)), this, SLOT(antiAliasToggled(bool)));
aliasCheckBox->setChecked(false);
grid->addWidget(aliasCheckBox, grid->rowCount(), 0);
Miikka Heikkinen
Fix label clipping issues using QOpenGLWidget as ChartView viewport...
 r2828 QCheckBox *openGLCheckBox = new QCheckBox("Use QOpenGLWidget");
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 connect(openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(openGLToggled(bool)));
openGLCheckBox->setChecked(false);
grid->addWidget(openGLCheckBox, grid->rowCount(), 0);
}
void MainWidget::antiAliasToggled(bool enabled)
{
m_chartView->setRenderHint(QPainter::Antialiasing, enabled);
}
void MainWidget::openGLToggled(bool enabled)
{
if (enabled) {
Miikka Heikkinen
Fix label clipping issues using QOpenGLWidget as ChartView viewport...
 r2828 QSurfaceFormat f = QSurfaceFormat::defaultFormat();
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 f.setSamples(4);
Miikka Heikkinen
Fix label clipping issues using QOpenGLWidget as ChartView viewport...
 r2828 QSurfaceFormat::setDefaultFormat(f);
QOpenGLWidget *g = new QOpenGLWidget();
Miikka Heikkinen
Moved manual tests to separate directory....
 r2734 m_chartView->setViewport(g);
} else {
m_chartView->setViewport(0);
}
}
void MainWidget::addSeries()
{
if (!m_addSerieDialog) {
m_addSerieDialog = new DataSerieDialog(this);
connect(m_addSerieDialog, SIGNAL(accepted(QString,int,int,QString,bool)),
this, SLOT(addSeries(QString,int,int,QString,bool)));
}
m_addSerieDialog->exec();
}
QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
{
QList<RealList> testData;
for (int j(0); j < columnCount; j++) {
QList <qreal> newColumn;
for (int i(0); i < rowCount; i++) {
if (dataCharacteristics == "Sin") {
newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100));
} else if (dataCharacteristics == "Sin + random") {
newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
} else if (dataCharacteristics == "Random") {
newColumn.append(rand() % 10 + (qreal) rand() / (qreal) RAND_MAX);
} else if (dataCharacteristics == "Linear") {
//newColumn.append(i * (j + 1.0));
// TODO: temporary hack to make pie work; prevent zero values:
newColumn.append(i * (j + 1.0) + 0.1);
} else { // "constant"
newColumn.append((j + 1.0));
}
}
testData.append(newColumn);
}
return testData;
}
QStringList MainWidget::generateLabels(int count)
{
QStringList result;
for (int i(0); i < count; i++)
result.append("label" + QString::number(i));
return result;
}
void MainWidget::addSeries(QString seriesName, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled)
{
qDebug() << "addSeries: " << seriesName
<< " columnCount: " << columnCount
<< " rowCount: " << rowCount
<< " dataCharacteristics: " << dataCharacteristics
<< " labels enabled: " << labelsEnabled;
m_defaultSeriesName = seriesName;
QList<RealList> data = generateTestData(columnCount, rowCount, dataCharacteristics);
// Line series and scatter series use similar data
if (seriesName == "Line") {
for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QLineSeries *series = new QLineSeries();
series->setName("line" + QString::number(j));
for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
}
} else if (seriesName == "Area") {
// TODO: lower series for the area?
for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QLineSeries *lineSeries = new QLineSeries();
for (int i(0); i < column.count(); i++)
lineSeries->append(i, column.at(i));
QAreaSeries *areaSeries = new QAreaSeries(lineSeries);
areaSeries->setName("area" + QString::number(j));
m_chart->addSeries(areaSeries);
}
} else if (seriesName == "Scatter") {
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QScatterSeries *series = new QScatterSeries();
series->setName("scatter" + QString::number(j));
for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
}
} else if (seriesName == "Pie") {
QStringList labels = generateLabels(rowCount);
for (int j(0); j < data.count(); j++) {
QPieSeries *series = new QPieSeries();
QList<qreal> column = data.at(j);
for (int i(0); i < column.count(); i++)
series->append(labels.at(i), column.at(i));
m_chart->addSeries(series);
}
} else if (seriesName == "Bar"
|| seriesName == "Stacked bar"
|| seriesName == "Percent bar") {
QStringList category;
QStringList labels = generateLabels(rowCount);
foreach (QString label, labels)
category << label;
QAbstractBarSeries* series = 0;
if (seriesName == "Bar") {
series = new QBarSeries(this);
QBarCategoryAxis* axis = new QBarCategoryAxis();
axis->append(category);
m_chart->setAxisX(axis,series);
} else if (seriesName == "Stacked bar") {
series = new QStackedBarSeries(this);
QBarCategoryAxis* axis = new QBarCategoryAxis();
axis->append(category);
m_chart->setAxisX(axis,series);
} else {
series = new QPercentBarSeries(this);
QBarCategoryAxis* axis = new QBarCategoryAxis();
axis->append(category);
m_chart->setAxisX(axis,series);
}
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QBarSet *set = new QBarSet("set" + QString::number(j));
for (int i(0); i < column.count(); i++)
*set << column.at(i);
series->append(set);
}
m_chart->addSeries(series);
} else if (seriesName == "Spline") {
for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QSplineSeries *series = new QSplineSeries();
series->setName("spline" + QString::number(j));
for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
}
}
m_chart->createDefaultAxes();
}
void MainWidget::backgroundChanged(int itemIndex)
{
qDebug() << "backgroundChanged: " << itemIndex;
}
void MainWidget::autoScaleChanged(int value)
{
if (value) {
// TODO: enable auto scaling
} else {
// TODO: set scaling manually (and disable auto scaling)
}
m_xMinSpin->setEnabled(!value);
m_xMaxSpin->setEnabled(!value);
m_yMinSpin->setEnabled(!value);
m_yMaxSpin->setEnabled(!value);
}
void MainWidget::xMinChanged(int value)
{
qDebug() << "xMinChanged: " << value;
}
void MainWidget::xMaxChanged(int value)
{
qDebug() << "xMaxChanged: " << value;
}
void MainWidget::yMinChanged(int value)
{
qDebug() << "yMinChanged: " << value;
}
void MainWidget::yMaxChanged(int value)
{
qDebug() << "yMaxChanged: " << value;
}
void MainWidget::changeChartTheme(int themeIndex)
{
qDebug() << "changeChartTheme: " << themeIndex;
if (themeIndex == 0)
m_chart->setTheme(QChart::ChartThemeLight);
else
m_chart->setTheme((QChart::ChartTheme) (themeIndex - 1));
}