##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Fix issue with ghost axes being drawn when last axis removed...
Fix issue with ghost axes being drawn when last axis removed Change-Id: Id638bc225ef901301a4268530f574a2de6f2ff63 Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>
Miikka Heikkinen - - Load All Authors

File last commit:

r2834:77545ecc2ba8
r2836:7a48aa2a436d
Show More
mainwindow.cpp
515 lines | 14.5 KiB | text/x-c | CppLexer
/ tests / manual / openglseriestest / mainwindow.cpp
History | Source | Raw |Copy content |Copy permalink
Miikka Heikkinen
Added a manual test application for OpenGL series...
 r2834 /****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** 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
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include "mainwindow.h"
#include "chartview.h"
#include <QtCharts/QScatterSeries>
#include <QtCharts/QLineSeries>
#include <QtCharts/QValueAxis>
#include <QtCharts/QLogValueAxis>
#include <QtCharts/QDateTimeAxis>
#include <QtCharts/QCategoryAxis>
#include <QtCharts/QChart>
#include <QtCore/QDebug>
#include <QtCore/QDateTime>
QT_CHARTS_USE_NAMESPACE
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow),
m_xMin(0.0),
m_xMax(20.0),
m_yMin(0.0),
m_yMax(10.0),
m_backgroundBrush(new QBrush(Qt::white)),
m_plotAreaBackgroundBrush(new QBrush(Qt::NoBrush)),
m_backgroundPen(new QPen(Qt::NoPen)),
m_plotAreaBackgroundPen(new QPen(Qt::NoPen)),
m_animationOptions(QChart::NoAnimation),
m_chart(0),
m_xAxis(0),
m_yAxis(0),
m_xAxisMode(AxisModeValue),
m_yAxisMode(AxisModeValue),
m_pointCount(100)
{
ui->setupUi(this);
ui->yMinSpin->setValue(m_yMin);
ui->yMaxSpin->setValue(m_yMax);
ui->xMinSpin->setValue(m_xMin);
ui->xMaxSpin->setValue(m_xMax);
initXYValueChart();
setXAxis(AxisModeValue);
setYAxis(AxisModeValue);
connect(ui->yMinSpin, SIGNAL(valueChanged(double)),
this, SLOT(yMinChanged(double)));
connect(ui->yMaxSpin, SIGNAL(valueChanged(double)),
this, SLOT(yMaxChanged(double)));
connect(ui->xMinSpin, SIGNAL(valueChanged(double)),
this, SLOT(xMinChanged(double)));
connect(ui->xMaxSpin, SIGNAL(valueChanged(double)),
this, SLOT(xMaxChanged(double)));
connect(ui->animationsComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(animationIndexChanged(int)));
connect(ui->xAxisComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(xAxisIndexChanged(int)));
connect(ui->yAxisComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(yAxisIndexChanged(int)));
connect(ui->backgroundComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(backgroundIndexChanged(int)));
connect(ui->plotAreaComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(plotAreaIndexChanged(int)));
connect(ui->themeComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(themeIndexChanged(int)));
connect(ui->addSeriesButton, SIGNAL(clicked(bool)),
this, SLOT(addSeriesClicked()));
connect(ui->addGLSeriesButton, SIGNAL(clicked(bool)),
this, SLOT(addGLSeriesClicked()));
connect(ui->removeSeriesButton, SIGNAL(clicked(bool)),
this, SLOT(removeSeriesClicked()));
connect(ui->countComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(countIndexChanged(int)));
connect(ui->colorsComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(colorIndexChanged(int)));
connect(ui->widthComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(widthIndexChanged(int)));
ui->chartView->setChart(m_chart);
ui->chartView->setRenderHint(QPainter::Antialiasing);
QObject::connect(m_chart->scene(), &QGraphicsScene::changed,
&m_dataSource, &DataSource::handleSceneChanged);
m_dataSource.startUpdates(m_seriesList, ui->fpsLabel);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::initXYValueChart()
{
m_chart = new QChart();
m_chart->setTitle("Use arrow keys to scroll and +/- to zoom");
m_chart->setAnimationOptions(m_animationOptions);
m_chart->setBackgroundBrush(*m_backgroundBrush);
m_chart->setBackgroundPen(*m_backgroundPen);
m_chart->setPlotAreaBackgroundBrush(*m_plotAreaBackgroundBrush);
m_chart->setPlotAreaBackgroundPen(*m_plotAreaBackgroundPen);
}
void MainWindow::setXAxis(MainWindow::AxisMode mode)
{
if (m_xAxis) {
m_chart->removeAxis(m_xAxis);
delete m_xAxis;
m_xAxis = 0;
}
m_xAxisMode = mode;
switch (m_xAxisMode) {
case AxisModeNone:
return;
case AxisModeValue:
m_xAxis = new QValueAxis();
break;
case AxisModeLogValue:
m_xAxis = new QLogValueAxis();
break;
case AxisModeDateTime:
m_xAxis = new QDateTimeAxis();
break;
case AxisModeCategory:
m_xAxis = new QCategoryAxis();
applyCategories();
break;
default:
qWarning() << "Unsupported AxisMode";
return;
}
m_chart->addAxis(m_xAxis, Qt::AlignBottom);
foreach (QAbstractSeries *series, m_seriesList)
series->attachAxis(m_xAxis);
applyRanges();
}
void MainWindow::setYAxis(MainWindow::AxisMode mode)
{
if (m_yAxis) {
m_chart->removeAxis(m_yAxis);
delete m_yAxis;
m_yAxis = 0;
}
m_yAxisMode = mode;
switch (m_yAxisMode) {
case AxisModeNone:
return;
case AxisModeValue:
m_yAxis = new QValueAxis();
break;
case AxisModeLogValue:
m_yAxis = new QLogValueAxis();
break;
case AxisModeDateTime:
m_yAxis = new QDateTimeAxis();
break;
case AxisModeCategory:
m_yAxis = new QCategoryAxis();
applyCategories();
break;
default:
qWarning() << "Unsupported AxisMode";
return;
}
m_chart->addAxis(m_yAxis, Qt::AlignLeft);
foreach (QAbstractSeries *series, m_seriesList)
series->attachAxis(m_yAxis);
applyRanges();
}
void MainWindow::applyRanges()
{
if (m_xAxis) {
if (m_xAxisMode == AxisModeLogValue) {
if (m_xMin <= 0)
m_xMin = 1.0;
if (m_xMax <= m_xMin)
m_xMax = m_xMin + 1.0;
}
if (m_xAxisMode == AxisModeDateTime) {
QDateTime dateTimeMin;
QDateTime dateTimeMax;
dateTimeMin.setMSecsSinceEpoch(qint64(m_xMin));
dateTimeMax.setMSecsSinceEpoch(qint64(m_xMax));
m_xAxis->setRange(dateTimeMin, dateTimeMax);
} else {
m_xAxis->setRange(m_xMin, m_xMax);
}
ui->xMinSpin->setValue(m_xMin);
ui->xMaxSpin->setValue(m_xMax);
}
if (m_yAxis) {
if (m_yAxisMode == AxisModeLogValue) {
if (m_yMin <= 0)
m_yMin = 1.0;
if (m_yMax <= m_yMin)
m_yMax = m_yMin + 1.0;
}
if (m_yAxisMode == AxisModeDateTime) {
QDateTime dateTimeMin;
QDateTime dateTimeMax;
dateTimeMin.setMSecsSinceEpoch(qint64(m_yMin));
dateTimeMax.setMSecsSinceEpoch(qint64(m_yMax));
m_yAxis->setRange(dateTimeMin, dateTimeMax);
} else {
m_yAxis->setRange(m_yMin, m_yMax);
}
ui->yMinSpin->setValue(m_yMin);
ui->yMaxSpin->setValue(m_yMax);
}
}
void MainWindow::xMinChanged(double value)
{
m_xMin = value;
applyRanges();
}
void MainWindow::xMaxChanged(double value)
{
m_xMax = value;
applyRanges();
}
void MainWindow::yMinChanged(double value)
{
m_yMin = value;
applyRanges();
}
void MainWindow::yMaxChanged(double value)
{
m_yMax = value;
applyRanges();
}
void MainWindow::animationIndexChanged(int index)
{
switch (index) {
case 0:
m_animationOptions = QChart::NoAnimation;
break;
case 1:
m_animationOptions = QChart::SeriesAnimations;
break;
case 2:
m_animationOptions = QChart::GridAxisAnimations;
break;
case 3:
m_animationOptions = QChart::AllAnimations;
break;
default:
break;
}
m_chart->setAnimationOptions(m_animationOptions);
}
void MainWindow::xRangeChanged(qreal min, qreal max)
{
if (!qFuzzyCompare(qreal(ui->xMinSpin->value()), min))
ui->xMinSpin->setValue(min);
if (!qFuzzyCompare(qreal(ui->xMaxSpin->value()), max))
ui->xMaxSpin->setValue(max);
}
void MainWindow::yRangeChanged(qreal min, qreal max)
{
if (!qFuzzyCompare(qreal(ui->yMinSpin->value()), min))
ui->yMinSpin->setValue(min);
if (!qFuzzyCompare(qreal(ui->yMaxSpin->value()), max))
ui->yMaxSpin->setValue(max);
}
void MainWindow::xAxisIndexChanged(int index)
{
switch (index) {
case 0:
setXAxis(AxisModeNone);
break;
case 1:
setXAxis(AxisModeValue);
break;
case 2:
setXAxis(AxisModeLogValue);
break;
case 3:
setXAxis(AxisModeDateTime);
break;
case 4:
setXAxis(AxisModeCategory);
break;
default:
qWarning("Invalid Index!");
}
}
void MainWindow::yAxisIndexChanged(int index)
{
switch (index) {
case 0:
setYAxis(AxisModeNone);
break;
case 1:
setYAxis(AxisModeValue);
break;
case 2:
setYAxis(AxisModeLogValue);
break;
case 3:
setYAxis(AxisModeDateTime);
break;
case 4:
setYAxis(AxisModeCategory);
break;
default:
qWarning("Invalid Index!");
}
}
void MainWindow::themeIndexChanged(int index)
{
m_chart->setTheme(QChart::ChartTheme(index));
}
void MainWindow::addSeriesClicked()
{
addSeries(false);
}
void MainWindow::removeSeriesClicked()
{
if (m_seriesList.size()) {
QXYSeries *series = m_seriesList.takeAt(m_seriesList.size() - 1);
m_chart->removeSeries(series);
delete series;
}
}
void MainWindow::addGLSeriesClicked()
{
addSeries(true);
}
void MainWindow::countIndexChanged(int index)
{
m_pointCount = ui->countComboBox->itemText(index).toInt();
for (int i = 0; i < m_seriesList.size(); i++) {
m_dataSource.generateData(i, 2, m_pointCount);
}
}
void MainWindow::colorIndexChanged(int index)
{
QColor color = QColor(ui->colorsComboBox->itemText(index).toLower());
foreach (QXYSeries *series, m_seriesList) {
if (series->type() == QAbstractSeries::SeriesTypeScatter) {
QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series);
scatterSeries->setBorderColor(color);
scatterSeries->setColor(color);
} else {
series->setColor(color);
}
}
}
void MainWindow::widthIndexChanged(int index)
{
int width = ui->widthComboBox->itemText(index).toInt();
foreach (QXYSeries *series, m_seriesList) {
if (series->type() == QAbstractSeries::SeriesTypeScatter) {
QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series);
scatterSeries->setMarkerSize(width);
} else {
QColor color = QColor(ui->colorsComboBox->itemText(
ui->colorsComboBox->currentIndex()).toLower());
series->setPen(QPen(QBrush(color), width));
}
}
}
void MainWindow::backgroundIndexChanged(int index)
{
delete m_backgroundBrush;
delete m_backgroundPen;
switch (index) {
case 0:
m_backgroundBrush = new QBrush(Qt::white);
m_backgroundPen = new QPen(Qt::NoPen);
break;
case 1:
m_backgroundBrush = new QBrush(Qt::blue);
m_backgroundPen = new QPen(Qt::NoPen);
break;
case 2:
m_backgroundBrush = new QBrush(Qt::yellow);
m_backgroundPen = new QPen(Qt::black, 2);
break;
default:
break;
}
m_chart->setBackgroundBrush(*m_backgroundBrush);
m_chart->setBackgroundPen(*m_backgroundPen);
}
void MainWindow::plotAreaIndexChanged(int index)
{
delete m_plotAreaBackgroundBrush;
delete m_plotAreaBackgroundPen;
switch (index) {
case 0:
m_plotAreaBackgroundBrush = new QBrush(Qt::green);
m_plotAreaBackgroundPen = new QPen(Qt::green);
m_chart->setPlotAreaBackgroundVisible(false);
break;
case 1:
m_plotAreaBackgroundBrush = new QBrush(Qt::magenta);
m_plotAreaBackgroundPen = new QPen(Qt::NoPen);
m_chart->setPlotAreaBackgroundVisible(true);
break;
case 2:
m_plotAreaBackgroundBrush = new QBrush(Qt::lightGray);
m_plotAreaBackgroundPen = new QPen(Qt::red, 6);
m_chart->setPlotAreaBackgroundVisible(true);
break;
default:
break;
}
m_chart->setPlotAreaBackgroundBrush(*m_plotAreaBackgroundBrush);
m_chart->setPlotAreaBackgroundPen(*m_plotAreaBackgroundPen);
}
void MainWindow::applyCategories()
{
// Basic layout is three categories, extended has five
if (m_xAxisMode == AxisModeCategory) {
QCategoryAxis *angCatAxis = static_cast<QCategoryAxis *>(m_xAxis);
if (angCatAxis->count() == 0) {
angCatAxis->setStartValue(2);
angCatAxis->append("Category A", 6);
angCatAxis->append("Category B", 12);
angCatAxis->append("Category C", 18);
}
}
if (m_yAxisMode == AxisModeCategory) {
QCategoryAxis *radCatAxis = static_cast<QCategoryAxis *>(m_yAxis);
if (radCatAxis->count() == 0) {
radCatAxis->setStartValue(1);
radCatAxis->append("Category 1", 3);
radCatAxis->append("Category 2", 4);
radCatAxis->append("Category 3", 8);
}
}
}
void MainWindow::addSeries(bool gl)
{
QColor color = QColor(ui->colorsComboBox->itemText(ui->colorsComboBox->currentIndex()).toLower());
int width = ui->widthComboBox->itemText(ui->widthComboBox->currentIndex()).toInt();
if (m_seriesList.size() < maxSeriesCount) {
QXYSeries *series;
if (qrand() % 2) {
series = new QLineSeries;
series->setPen(QPen(QBrush(color), width));
} else {
QScatterSeries *scatterSeries = new QScatterSeries;
scatterSeries->setMarkerSize(width);
scatterSeries->setBorderColor(color);
scatterSeries->setBrush(QBrush(color));
series = scatterSeries;
}
series->setUseOpenGL(gl);
m_dataSource.generateData(m_seriesList.size(), 2, m_pointCount);
m_seriesList.append(series);
m_chart->addSeries(series);
if (m_xAxis)
series->attachAxis(m_xAxis);
if (m_yAxis)
series->attachAxis(m_yAxis);
applyRanges();
}
}