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refactoring. QStackedBarSeries and QPercentBarSeries are now derived from QBarSeries.
refactoring. QStackedBarSeries and QPercentBarSeries are now derived from QBarSeries.
Tero Ahola - - Load All Authors

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r279:22961f3dbd96
r281:d81c37855aff
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mainwidget.cpp
395 lines | 14.0 KiB | text/x-c | CppLexer
/ test / chartwidgettest / mainwidget.cpp
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Tero Ahola
New features like chart type to the test app
 r5 #include "mainwidget.h"
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 #include "dataseriedialog.h"
Tero Ahola
Added size factor property to pie
 r60 #include "qchartseries.h"
#include "qpieseries.h"
Tero Ahola
Modifying QScatterSeries API
 r179 #include "qscatterseries.h"
Michal Klocek
Fix previous broken commit
 r145 #include <qlinechartseries.h>
sauimone
Barset and barcategory implememtation. Updated test application
 r171 #include <qbarset.h>
#include <qbarcategory.h>
sauimone
Common naming convention for barcharts
 r216 #include <qbarchartseries.h>
#include <qstackedbarchartseries.h>
#include <qpercentbarchartseries.h>
Tero Ahola
New features like chart type to the test app
 r5 #include <QPushButton>
#include <QComboBox>
#include <QSpinBox>
Tero Ahola
Added auto scaling option to test app
 r6 #include <QCheckBox>
Tero Ahola
New features like chart type to the test app
 r5 #include <QGridLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QSpacerItem>
#include <QMessageBox>
Tero Ahola
Scatter data point now shown using a picture
 r13 #include <cmath>
Tero Ahola
New features like chart type to the test app
 r5 #include <QDebug>
sauimone
Added bar chart example
 r78 #include <QStandardItemModel>
Tero Ahola
New features like chart type to the test app
 r5
Tero Ahola
Renamed to QtCommercialChart
 r30 QTCOMMERCIALCHART_USE_NAMESPACE
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19
Tero Ahola
New features like chart type to the test app
 r5 MainWidget::MainWidget(QWidget *parent) :
QWidget(parent)
{
Michal Klocek
Removes QChartWidget...
 r136 m_chartWidget = new QChartView(this);
m_chartWidget->setRubberBandPolicy(QChartView::HorizonalRubberBand);
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77
Tero Ahola
Scaling for scatter series
 r111 // Grid layout for the controls for configuring the chart widget
Tero Ahola
Refactored the test app
 r110 QGridLayout *grid = new QGridLayout();
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 QPushButton *addSeriesButton = new QPushButton("Add series");
connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
Tero Ahola
Refactored the test app
 r110 grid->addWidget(addSeriesButton, 0, 1);
initBackroundCombo(grid);
initScaleControls(grid);
initThemeCombo(grid);
Tero Ahola
Scaling for scatter series
 r111 QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
Tero Ahola
Refactored the test app
 r110 connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartWidget, SLOT(setZoomEnabled(bool)));
zoomCheckBox->setChecked(true);
grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
// 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);
Tero Ahola
Scaling for scatter series
 r111
// Another grid layout as a main layout
QGridLayout *mainLayout = new QGridLayout();
Tero Ahola
Refactored the test app
 r110 mainLayout->addLayout(grid, 0, 0);
// Init series type specific controls
initPieControls();
mainLayout->addLayout(m_pieLayout, 2, 0);
// Scatter series specific settings
// m_scatterLayout = new QGridLayout();
// m_scatterLayout->addWidget(new QLabel("scatter"), 0, 0);
// m_scatterLayout->setEnabled(false);
// mainLayout->addLayout(m_scatterLayout, 1, 0);
// Add layouts and the chart widget to the main layout
mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
setLayout(mainLayout);
}
Tero Ahola
New features like chart type to the test app
 r5
Tero Ahola
Refactored the test app
 r110 // Combo box for selecting the chart's background
void MainWidget::initBackroundCombo(QGridLayout *grid)
{
Tero Ahola
New features like chart type to the test app
 r5 QComboBox *backgroundCombo = new QComboBox(this);
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 backgroundCombo->addItem("Color");
backgroundCombo->addItem("Gradient");
backgroundCombo->addItem("Image");
Tero Ahola
New features like chart type to the test app
 r5 connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(backgroundChanged(int)));
Tero Ahola
Refactored the test app
 r110 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)
{
Tero Ahola
Drafting scatter type plotting...
 r8 m_autoScaleCheck = new QCheckBox("Automatic scaling");
connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
Tero Ahola
New features like chart type to the test app
 r5 // Allow setting also non-sense values (like -2147483648 and 2147483647)
Tero Ahola
Added auto scaling option to test app
 r6 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)));
Tero Ahola
New features like chart type to the test app
 r5
Tero Ahola
Refactored the test app
 r110 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)
{
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 QComboBox *chartTheme = new QComboBox();
Tero Ahola
Added theme named 'default'
 r81 chartTheme->addItem("Default");
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 chartTheme->addItem("Vanilla");
chartTheme->addItem("Icy");
chartTheme->addItem("Grayscale");
Tero Ahola
tuning theme colors
 r125 chartTheme->addItem("Scientific");
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 chartTheme->addItem("Unnamed1");
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
this, SLOT(changeChartTheme(int)));
grid->addWidget(new QLabel("Chart theme:"), 8, 0);
grid->addWidget(chartTheme, 8, 1);
Tero Ahola
Refactored the test app
 r110 }
Tero Ahola
Added size factor property to pie
 r60
Tero Ahola
Refactored the test app
 r110 void MainWidget::initPieControls()
{
// Pie series specific settings
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 // Pie size factory
Tero Ahola
Added size factor property to pie
 r60 QDoubleSpinBox *pieSizeSpin = new QDoubleSpinBox();
pieSizeSpin->setMinimum(LONG_MIN);
pieSizeSpin->setMaximum(LONG_MAX);
pieSizeSpin->setValue(1.0);
pieSizeSpin->setSingleStep(0.1);
connect(pieSizeSpin, SIGNAL(valueChanged(double)), this, SLOT(setPieSizeFactor(double)));
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 // Pie position
QComboBox *piePosCombo = new QComboBox(this);
piePosCombo->addItem("Maximized");
piePosCombo->addItem("Top left");
piePosCombo->addItem("Top right");
piePosCombo->addItem("Bottom left");
piePosCombo->addItem("Bottom right");
connect(piePosCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(setPiePosition(int)));
m_pieLayout = new QGridLayout();
Tero Ahola
Added size factor property to pie
 r60 m_pieLayout->setEnabled(false);
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 m_pieLayout->addWidget(new QLabel("Pie size factor"), 0, 0);
Tero Ahola
Added size factor property to pie
 r60 m_pieLayout->addWidget(pieSizeSpin, 0, 1);
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 m_pieLayout->addWidget(new QLabel("Pie position"), 1, 0);
m_pieLayout->addWidget(piePosCombo, 1, 1);
Tero Ahola
New features like chart type to the test app
 r5 }
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 void MainWidget::addSeries()
{
Tero Ahola
Added size factor property to pie
 r60 DataSerieDialog dialog(m_defaultSeriesName, this);
Tero Ahola
Refactored chartwidgettest test data impl
 r278 connect(&dialog, SIGNAL(accepted(QString, int, int, QString, bool)),
this, SLOT(addSeries(QString, int, int, QString, bool)));
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 dialog.exec();
}
Tero Ahola
Refactored chartwidgettest test data impl
 r278 QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 {
Tero Ahola
Refactored chartwidgettest test data impl
 r278 // TODO: 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() % 5);
} 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;
}
Tero Ahola
Test app now adds n data series of different type
 r20
Tero Ahola
Refactored chartwidgettest test data impl
 r278 QStringList MainWidget::generateLabels(int count)
{
QStringList result;
for (int i(0); i < count; i++)
result.append("label" + QString::number(i));
return result;
}
sauimone
bug fix in bar charts. Crashed, if layout was set before data. Also integrated to test app.
 r165
Tero Ahola
Refactored chartwidgettest test data impl
 r278 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.contains("line", Qt::CaseInsensitive)) {
for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QLineChartSeries *series = new QLineChartSeries();
for (int i(0); i < column.count(); i++) {
series->add(i, column.at(i));
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
Tero Ahola
Integrated scatter type series...
 r42 }
Tero Ahola
Refactored chartwidgettest test data impl
 r278 } else if (seriesName.contains("scatter", Qt::CaseInsensitive)) {
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QScatterSeries *series = new QScatterSeries();
for (int i(0); i < column.count(); i++) {
(*series) << QPointF(i, column.at(i));
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
Tero Ahola
Integrated scatter type series...
 r42 }
Tero Ahola
Refactored chartwidgettest test data impl
 r278 } else if (seriesName.contains("pie", Qt::CaseInsensitive)) {
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->add(column.at(i), labels.at(i));
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
Tero Ahola
Test app now adds n data series of different type
 r20 }
Tero Ahola
Restored bar series in chartwidgettest
 r279 } else if (seriesName == "Bar") {
// TODO: replace QBarCategory with QStringList?
QBarCategory *category = new QBarCategory;
QStringList labels = generateLabels(rowCount);
foreach(QString label, labels)
*category << label;
QBarChartSeries* series = new QBarChartSeries(category, this);
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QBarSet *set = new QBarSet;
for (int i(0); i < column.count(); i++) {
*set << column.at(i);
}
series->addBarSet(set);
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
} else if (seriesName == "Stacked bar") {
QBarCategory *category = new QBarCategory;
QStringList labels = generateLabels(rowCount);
foreach(QString label, labels)
*category << label;
QStackedBarChartSeries* series = new QStackedBarChartSeries(category, this);
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QBarSet *set = new QBarSet;
for (int i(0); i < column.count(); i++) {
*set << column.at(i);
}
series->addBarSet(set);
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
} else if (seriesName == "Percent bar") {
QBarCategory *category = new QBarCategory;
QStringList labels = generateLabels(rowCount);
foreach(QString label, labels)
*category << label;
QPercentBarChartSeries* series = new QPercentBarChartSeries(category, this);
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QBarSet *set = new QBarSet;
for (int i(0); i < column.count(); i++) {
*set << column.at(i);
}
series->addBarSet(set);
}
m_chartWidget->addSeries(series);
setCurrentSeries(series);
Tero Ahola
Test app now adds n data series of different type
 r20 }
Tero Ahola
Restored bar series in chartwidgettest
 r279 // TODO: spline and area
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 }
Tero Ahola
Added size factor property to pie
 r60 void MainWidget::setCurrentSeries(QChartSeries *series)
Tero Ahola
New features like chart type to the test app
 r5 {
Tero Ahola
added stream operator to scatter series
 r180 if (series) {
m_currentSeries = series;
switch (m_currentSeries->type()) {
case QChartSeries::SeriesTypeLine:
break;
case QChartSeries::SeriesTypeScatter:
break;
case QChartSeries::SeriesTypePie:
break;
case QChartSeries::SeriesTypeBar:
qDebug() << "setCurrentSeries (bar)";
break;
case QChartSeries::SeriesTypeStackedBar:
qDebug() << "setCurrentSeries (Stackedbar)";
break;
case QChartSeries::SeriesTypePercentBar:
qDebug() << "setCurrentSeries (Percentbar)";
break;
default:
Q_ASSERT(false);
break;
}
Tero Ahola
Scatter data point now shown using a picture
 r13 }
Tero Ahola
New features like chart type to the test app
 r5 }
void MainWidget::backgroundChanged(int itemIndex)
{
qDebug() << "backgroundChanged: " << itemIndex;
}
Tero Ahola
Added auto scaling option to test app
 r6 void MainWidget::autoScaleChanged(int value)
{
Tero Ahola
Drafting scatter type plotting...
 r8 if (value) {
// TODO: enable auto scaling
} else {
// TODO: set scaling manually (and disable auto scaling)
Tero Ahola
Added auto scaling option to test app
 r6 }
Tero Ahola
Drafting scatter type plotting...
 r8 m_xMinSpin->setEnabled(!value);
m_xMaxSpin->setEnabled(!value);
m_yMinSpin->setEnabled(!value);
m_yMaxSpin->setEnabled(!value);
Tero Ahola
Added auto scaling option to test app
 r6 }
Tero Ahola
New features like chart type to the test app
 r5 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;
}
Tero Ahola
Added size factor property to pie
 r60
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 void MainWidget::changeChartTheme(int themeIndex)
{
qDebug() << "changeChartTheme: " << themeIndex;
Michal Klocek
minor. compilation fix for test widget
 r154 m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 //TODO: remove this hack. This is just to make it so that theme change is seen immediately.
QSize s = size();
s.setWidth(s.width()+1);
resize(s);
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 }
Tero Ahola
Added size factor property to pie
 r60 void MainWidget::setPieSizeFactor(double size)
{
QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 if (pie)
pie->setSizeFactor(qreal(size));
Tero Ahola
Added size factor property to pie
 r60 }
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77
void MainWidget::setPiePosition(int position)
{
QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
if (pie)
pie->setPosition((QPieSeries::PiePosition) position);
Tero Ahola
Added size factor property to pie
 r60 }