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Initial support for x-axis labels in QML api
Initial support for x-axis labels in QML api
sauimone - - Load All Authors

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r1114:f9dcd91686d2
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mainwidget.cpp
349 lines | 12.6 KiB | text/x-c | CppLexer
/ test / chartwidgettest / mainwidget.cpp
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Jani Honkonen
Add/modify license headers
 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
** $QT_END_LICENSE$
**
****************************************************************************/
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
Enabled chartwidgettest again
 r815 #include "qchartview.h"
#include "qpieseries.h"
#include "qscatterseries.h"
#include "qlineseries.h"
Tero Ahola
Line and area series in chartwidgettest
 r468 #include <qareaseries.h>
#include <qsplineseries.h>
sauimone
Barset and barcategory implememtation. Updated test application
 r171 #include <qbarset.h>
sauimone
Naming convention change for barcharts. QBarChartSeries is now QBarSeries etc.
 r338 #include <qbarseries.h>
#include <qstackedbarseries.h>
#include <qpercentbarseries.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) :
Tero Ahola
Add dialog of chartwidgettest now remembers selections
 r376 QWidget(parent),
m_addSerieDialog(0),
Tero Ahola
Enabled chartwidgettest again
 r815 m_chart(0)
Tero Ahola
New features like chart type to the test app
 r5 {
Tero Ahola
Enabled chartwidgettest again
 r815 m_chart = new QChart();
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
Checkbox for anti-alias to chartwidgettest
 r379 initCheckboxes(grid);
Tero Ahola
Refactored the test app
 r110 // 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
Tero Ahola
Enabled chartwidgettest again
 r815 // Create chart view with the chart
m_chartView = new QChartView(m_chart, this);
m_chartView->setRubberBand(QChartView::HorizonalRubberBand);
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);
Tero Ahola
Checkbox for anti-alias to chartwidgettest
 r379 mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
Tero Ahola
Refactored the test app
 r110 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
Default theme background, removed extra themes
 r692 chartTheme->addItem("Light");
chartTheme->addItem("Blue Cerulean");
chartTheme->addItem("Dark");
chartTheme->addItem("Brown Sand");
chartTheme->addItem("Blue NCS");
Tero Ahola
Added Icy Blue and High Contrast theme
 r757 chartTheme->addItem("High Contrast");
chartTheme->addItem("Blue Icy");
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
Checkbox for anti-alias to chartwidgettest
 r379 // 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");
Tero Ahola
Enabled chartwidgettest again
 r815 // connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartView, SLOT(setZoomEnabled(bool)));
Tero Ahola
Checkbox for anti-alias to chartwidgettest
 r379 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);
}
void MainWidget::antiAliasToggled(bool enabled)
{
m_chartView->setRenderHint(QPainter::Antialiasing, enabled);
}
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 void MainWidget::addSeries()
{
Tero Ahola
Add dialog of chartwidgettest now remembers selections
 r376 if (!m_addSerieDialog) {
m_addSerieDialog = new DataSerieDialog(this);
Michal Klocek
Normalizes signal slots connections
 r967 connect(m_addSerieDialog, SIGNAL(accepted(QString,int,int,QString,bool)),
this, SLOT(addSeries(QString,int,int,QString,bool)));
Tero Ahola
Add dialog of chartwidgettest now remembers selections
 r376 }
m_addSerieDialog->exec();
Tero Ahola
Started to refactor the API to allow integrating different plot types
 r19 }
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") {
Tero Ahola
Pie pen now uses gradient start color
 r510 newColumn.append(rand() % 10 + (qreal) rand() / (qreal) RAND_MAX);
Tero Ahola
Refactored chartwidgettest test data impl
 r278 } 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
Tero Ahola
Line and area series in chartwidgettest
 r468 if (seriesName == "Line") {
Tero Ahola
Refactored chartwidgettest test data impl
 r278 for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
Michal Klocek
Rename QLineChartSeries to QLineSeries
 r349 QLineSeries *series = new QLineSeries();
Michal Klocek
Add changes from commit d850de28
 r912 series->setName("line" + QString::number(j));
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
Tero Ahola
Integrated scatter type series...
 r42 }
Tero Ahola
Fixed area series handling in chartwidgettest
 r517 } else if (seriesName == "Area") {
Tero Ahola
Line and area series in chartwidgettest
 r468 // TODO: lower series for the area?
for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QLineSeries *lineSeries = new QLineSeries();
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
lineSeries->append(i, column.at(i));
Tero Ahola
Line and area series in chartwidgettest
 r468 QAreaSeries *areaSeries = new QAreaSeries(lineSeries);
Michal Klocek
Add changes from commit d850de28
 r912 areaSeries->setName("area" + QString::number(j));
Tero Ahola
Enabled chartwidgettest again
 r815 m_chart->addSeries(areaSeries);
Tero Ahola
Line and area series in chartwidgettest
 r468 }
} else if (seriesName == "Scatter") {
Tero Ahola
Refactored chartwidgettest test data impl
 r278 for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
QScatterSeries *series = new QScatterSeries();
Michal Klocek
Add changes from commit d850de28
 r912 series->setName("scatter" + QString::number(j));
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
Tero Ahola
Integrated scatter type series...
 r42 }
Tero Ahola
Line and area series in chartwidgettest
 r468 } else if (seriesName == "Pie") {
Tero Ahola
Refactored chartwidgettest test data impl
 r278 QStringList labels = generateLabels(rowCount);
for (int j(0); j < data.count(); j++) {
QPieSeries *series = new QPieSeries();
QList<qreal> column = data.at(j);
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
series->append(column.at(i), labels.at(i));
m_chart->addSeries(series);
Tero Ahola
Test app now adds n data series of different type
 r20 }
Tero Ahola
Fixed compilation of example apps with QBarSets
 r284 } else if (seriesName == "Bar"
|| seriesName == "Stacked bar"
|| seriesName == "Percent bar") {
sauimone
replaced qbarcategory with qstringlist
 r377 QStringList category;
Tero Ahola
Restored bar series in chartwidgettest
 r279 QStringList labels = generateLabels(rowCount);
foreach(QString label, labels)
sauimone
replaced qbarcategory with qstringlist
 r377 category << label;
sauimone
Naming convention change for barcharts. QBarChartSeries is now QBarSeries etc.
 r338 QBarSeries* series = 0;
sauimone
barseries constructor fix
 r1114 if (seriesName == "Bar") {
series = new QBarSeries(this);
series->setCategories(category);
} else if (seriesName == "Stacked bar") {
series = new QStackedBarSeries(this);
series->setCategories(category);
} else {
series = new QPercentBarSeries(this);
series->setCategories(category);
}
Tero Ahola
Restored bar series in chartwidgettest
 r279
for (int j(0); j < data.count(); j++) {
QList<qreal> column = data.at(j);
Tero Ahola
Fixed compilation of example apps with QBarSets
 r284 QBarSet *set = new QBarSet("set" + QString::number(j));
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
Tero Ahola
Restored bar series in chartwidgettest
 r279 *set << column.at(i);
Tero Ahola
Enabled chartwidgettest again
 r815 series->appendBarSet(set);
Tero Ahola
Restored bar series in chartwidgettest
 r279 }
Marek Rosa
Some spline fixes
 r455
Tero Ahola
Enabled chartwidgettest again
 r815 m_chart->addSeries(series);
Tero Ahola
Line and area series in chartwidgettest
 r468 } else if (seriesName == "Spline") {
Marek Rosa
Some spline fixes
 r455 for (int j(0); j < data.count(); j ++) {
QList<qreal> column = data.at(j);
QSplineSeries *series = new QSplineSeries();
Tero Ahola
Enabled chartwidgettest again
 r815 for (int i(0); i < column.count(); i++)
series->append(i, column.at(i));
m_chart->addSeries(series);
Tero Ahola
added stream operator to scatter series
 r180 }
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;
Tero Ahola
Enabled chartwidgettest again
 r815 m_chart->setTheme((QChart::ChartTheme) themeIndex);
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 }