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

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

demoLauncher should now work on all platforms
demoLauncher should now work on all platforms
Jani Honkonen - - Load All Authors

File last commit:

r2102:f689de612f59
r2234:db665d87eeda
Show More
mainwidget.cpp
247 lines | 7.7 KiB | text/x-c | CppLexer
/ examples / legend / mainwidget.cpp
History | Source | Raw |Copy content |Copy permalink
Marek Rosa
License added to several files
 r1365 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
sauimone
legend detach example. Bug fixes to legend.
 r1263 #include "mainwidget.h"
#include <QChart>
#include <QChartView>
#include <QPushButton>
#include <QLabel>
#include <QDebug>
#include <QBarSet>
sauimone
GroupedBarSeries to BarSeries
 r1594 #include <QBarSeries>
sauimone
legend detach example. Bug fixes to legend.
 r1263 #include <QLegend>
sauimone
better legend detach layout. updated legend example
 r1444 #include <QFormLayout>
sauimone
legend detach example. Bug fixes to legend.
 r1263
QTCOMMERCIALCHART_USE_NAMESPACE
MainWidget::MainWidget(QWidget *parent) :
QWidget(parent)
{
sauimone
legend example to documentation. minor legend fixes
 r1300 // Create buttons for ui
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_buttonLayout = new QGridLayout();
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 QPushButton *detachLegendButton = new QPushButton("Toggle attached");
connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(toggleAttached()));
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_buttonLayout->addWidget(detachLegendButton, 0, 0);
QPushButton *addSetButton = new QPushButton("add barset");
connect(addSetButton, SIGNAL(clicked()), this, SLOT(addBarset()));
m_buttonLayout->addWidget(addSetButton, 2, 0);
QPushButton *removeBarsetButton = new QPushButton("remove barset");
connect(removeBarsetButton, SIGNAL(clicked()), this, SLOT(removeBarset()));
m_buttonLayout->addWidget(removeBarsetButton, 3, 0);
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 QPushButton *alignButton = new QPushButton("Align (Bottom)");
connect(alignButton, SIGNAL(clicked()), this, SLOT(setLegendAlignment()));
m_buttonLayout->addWidget(alignButton, 4, 0);
sauimone
better legend detach layout. updated legend example
 r1444
sauimone
legend font fix
 r1522 QPushButton *boldButton = new QPushButton("Toggle bold");
connect(boldButton, SIGNAL(clicked()), this, SLOT(toggleBold()));
m_buttonLayout->addWidget(boldButton, 8, 0);
QPushButton *italicButton = new QPushButton("Toggle italic");
connect(italicButton, SIGNAL(clicked()), this, SLOT(toggleItalic()));
m_buttonLayout->addWidget(italicButton, 9, 0);
sauimone
better legend detach layout. updated legend example
 r1444 m_legendPosX = new QDoubleSpinBox();
m_legendPosY = new QDoubleSpinBox();
m_legendWidth = new QDoubleSpinBox();
m_legendHeight = new QDoubleSpinBox();
connect(m_legendPosX, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
connect(m_legendPosY, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
connect(m_legendWidth, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
connect(m_legendHeight, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
Jani Honkonen
more coding style fixes for examples...
 r2102 QFormLayout *legendLayout = new QFormLayout();
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 legendLayout->addRow("HPos", m_legendPosX);
legendLayout->addRow("VPos", m_legendPosY);
sauimone
better legend detach layout. updated legend example
 r1444 legendLayout->addRow("Width", m_legendWidth);
legendLayout->addRow("Height", m_legendHeight);
m_legendSettings = new QGroupBox("Detached legend");
m_legendSettings->setLayout(legendLayout);
m_buttonLayout->addWidget(m_legendSettings);
m_legendSettings->setVisible(false);
sauimone
legend detach example. Bug fixes to legend.
 r1263 // Create chart view with the chart
sauimone
legend example to documentation. minor legend fixes
 r1300 m_chart = new QChart();
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_chartView = new QChartView(m_chart, this);
sauimone
legend font fix
 r1522 // Create spinbox to modify font size
m_fontSize = new QDoubleSpinBox();
m_fontSize->setValue(m_chart->legend()->font().pointSizeF());
connect(m_fontSize, SIGNAL(valueChanged(double)), this, SLOT(fontSizeChanged()));
Jani Honkonen
more coding style fixes for examples...
 r2102 QFormLayout *fontLayout = new QFormLayout();
sauimone
legend font fix
 r1522 fontLayout->addRow("Legend font size", m_fontSize);
sauimone
legend detach example. Bug fixes to legend.
 r1263 // Create layout for grid and detached legend
m_mainLayout = new QGridLayout();
m_mainLayout->addLayout(m_buttonLayout, 0, 0);
Jani Honkonen
coding style fixes for examples
 r2098 m_mainLayout->addLayout(fontLayout, 1, 0);
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
setLayout(m_mainLayout);
createSeries();
}
void MainWidget::createSeries()
{
sauimone
GroupedBarSeries to BarSeries
 r1594 m_series = new QBarSeries();
sauimone
legend detach example. Bug fixes to legend.
 r1263 addBarset();
addBarset();
addBarset();
addBarset();
m_chart->addSeries(m_series);
m_chart->setTitle("Legend detach example");
Marek Rosa
Updated spline nad legend example
 r1585 m_chart->createDefaultAxes();
sauimone
updated legend documentation
 r1447 //![1]
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_chart->legend()->setVisible(true);
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 m_chart->legend()->setAlignment(Qt::AlignBottom);
sauimone
updated legend documentation
 r1447 //![1]
sauimone
legend detach example. Bug fixes to legend.
 r1263
m_chartView->setRenderHint(QPainter::Antialiasing);
}
sauimone
better legend detach layout. updated legend example
 r1444 void MainWidget::showLegendSpinbox()
{
m_legendSettings->setVisible(true);
QRectF chartViewRect = m_chartView->rect();
m_legendPosX->setMinimum(0);
m_legendPosX->setMaximum(chartViewRect.width());
m_legendPosX->setValue(150);
m_legendPosY->setMinimum(0);
m_legendPosY->setMaximum(chartViewRect.height());
m_legendPosY->setValue(150);
m_legendWidth->setMinimum(0);
m_legendWidth->setMaximum(chartViewRect.width());
m_legendWidth->setValue(150);
m_legendHeight->setMinimum(0);
m_legendHeight->setMaximum(chartViewRect.height());
sauimone
fixed legend scrolling in detached mode. updated example
 r1446 m_legendHeight->setValue(75);
sauimone
better legend detach layout. updated legend example
 r1444 }
void MainWidget::hideLegendSpinbox()
{
m_legendSettings->setVisible(false);
}
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 void MainWidget::toggleAttached()
sauimone
legend detach example. Bug fixes to legend.
 r1263 {
QLegend *legend = m_chart->legend();
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 if (legend->isAttachedToChart()) {
//![2]
legend->detachFromChart();
m_chart->legend()->setBackgroundVisible(true);
Jani Honkonen
coding style fixes for examples
 r2098 m_chart->legend()->setBrush(QBrush(QColor(128, 128, 128, 128)));
m_chart->legend()->setPen(QPen(QColor(192, 192, 192, 192)));
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 //![2]
showLegendSpinbox();
updateLegendLayout();
} else {
//![3]
legend->attachToChart();
legend->setBackgroundVisible(false);
//![3]
hideLegendSpinbox();
}
sauimone
better legend detach layout. updated legend example
 r1444 update();
sauimone
legend detach example. Bug fixes to legend.
 r1263 }
void MainWidget::addBarset()
{
sauimone
barsetCount -> count in tests and examples too
 r1463 QBarSet *barSet = new QBarSet(QString("set ") + QString::number(m_series->count()));
qreal delta = m_series->count() * 0.1;
sauimone
Removed QPointF from QBarSet
 r1580 *barSet << 1 + delta << 2 + delta << 3 + delta << 4 + delta;
sauimone
legend detach example. Bug fixes to legend.
 r1263 m_series->append(barSet);
}
void MainWidget::removeBarset()
{
Jani Honkonen
more coding style fixes for examples...
 r2102 QList<QBarSet *> sets = m_series->barSets();
sauimone
fixed crash in legend example
 r1396 if (sets.count() > 0) {
Jani Honkonen
coding style fixes for examples
 r2098 m_series->remove(sets.at(sets.count() - 1));
sauimone
fixed crash in legend example
 r1396 }
sauimone
legend detach example. Bug fixes to legend.
 r1263 }
sauimone
better legend detach layout. updated legend example
 r1444
Tero Ahola
Fixed a bug with legend attach requiring a screen resize to update UI
 r2034 void MainWidget::setLegendAlignment()
{
QPushButton *button = qobject_cast<QPushButton *>(sender());
switch (m_chart->legend()->alignment()) {
case Qt::AlignTop:
m_chart->legend()->setAlignment(Qt::AlignLeft);
if (button)
button->setText("Align (Left)");
break;
case Qt::AlignLeft:
m_chart->legend()->setAlignment(Qt::AlignBottom);
if (button)
button->setText("Align (Bottom)");
break;
case Qt::AlignBottom:
m_chart->legend()->setAlignment(Qt::AlignRight);
if (button)
button->setText("Align (Right)");
break;
default:
if (button)
button->setText("Align (Top)");
m_chart->legend()->setAlignment(Qt::AlignTop);
break;
}
sauimone
better legend detach layout. updated legend example
 r1444 }
sauimone
legend font fix
 r1522 void MainWidget::toggleBold()
{
QFont font = m_chart->legend()->font();
font.setBold(!font.bold());
m_chart->legend()->setFont(font);
}
void MainWidget::toggleItalic()
{
QFont font = m_chart->legend()->font();
font.setItalic(!font.italic());
m_chart->legend()->setFont(font);
}
void MainWidget::fontSizeChanged()
{
QFont font = m_chart->legend()->font();
font.setPointSizeF(m_fontSize->value());
m_chart->legend()->setFont(font);
}
sauimone
better legend detach layout. updated legend example
 r1444 void MainWidget::updateLegendLayout()
{
sauimone
updated legend documentation
 r1447 //![4]
Jani Honkonen
coding style fixes for examples
 r2098 m_chart->legend()->setGeometry(QRectF(m_legendPosX->value(),
m_legendPosY->value(),
m_legendWidth->value(),
m_legendHeight->value()));
sauimone
better legend detach layout. updated legend example
 r1444 m_chart->legend()->update();
sauimone
updated legend documentation
 r1447 //![4]
sauimone
better legend detach layout. updated legend example
 r1444 }