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removing old commented code. removing domain parameter from handleseriesadded of pimpl. adding QLegend parameter to marker construction
removing old commented code. removing domain parameter from handleseriesadded of pimpl. adding QLegend parameter to marker construction
sauimone - - Load All Authors

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r2169:04485231feed
r2171:c0bd0c4881b1
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mainwidget.cpp
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/ examples / newlegend / mainwidget.cpp
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sauimone
new legend example for testing new api. Currently using still the old one.
 r2162 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mainwidget.h"
#include <QChart>
#include <QChartView>
#include <QPushButton>
#include <QLabel>
#include <QDebug>
#include <QLegend>
#include <QFormLayout>
#include <QPieSeries>
#include <QPieSlice>
sauimone
Added createLegendMarkers to private series. This will replace old createLegendMarker method. Notice the s in new method name. PIMPL for QLegendMarker. Newlegend example updated a bit
 r2163 #include <QLegendMarker>
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162
QTCOMMERCIALCHART_USE_NAMESPACE
MainWidget::MainWidget(QWidget *parent) :
QWidget(parent)
{
// Create buttons for ui
m_buttonLayout = new QGridLayout();
QPushButton *detachLegendButton = new QPushButton("Toggle attached");
connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(toggleAttached()));
m_buttonLayout->addWidget(detachLegendButton, 0, 0);
QPushButton *addSliceButton = new QPushButton("add slice");
connect(addSliceButton, SIGNAL(clicked()), this, SLOT(addSlice()));
m_buttonLayout->addWidget(addSliceButton, 2, 0);
QPushButton *removeSliceButton = new QPushButton("remove slice");
connect(removeSliceButton, SIGNAL(clicked()), this, SLOT(removeSlice()));
m_buttonLayout->addWidget(removeSliceButton, 3, 0);
QPushButton *alignButton = new QPushButton("Align (Bottom)");
connect(alignButton, SIGNAL(clicked()), this, SLOT(setLegendAlignment()));
m_buttonLayout->addWidget(alignButton, 4, 0);
QPushButton *boldButton = new QPushButton("Toggle bold");
connect(boldButton, SIGNAL(clicked()), this, SLOT(toggleBold()));
sauimone
Added createLegendMarkers to private series. This will replace old createLegendMarker method. Notice the s in new method name. PIMPL for QLegendMarker. Newlegend example updated a bit
 r2163 m_buttonLayout->addWidget(boldButton, 5, 0);
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162
QPushButton *italicButton = new QPushButton("Toggle italic");
connect(italicButton, SIGNAL(clicked()), this, SLOT(toggleItalic()));
sauimone
Added createLegendMarkers to private series. This will replace old createLegendMarker method. Notice the s in new method name. PIMPL for QLegendMarker. Newlegend example updated a bit
 r2163 m_buttonLayout->addWidget(italicButton, 6, 0);
QPushButton *infoButton = new QPushButton("Debug info");
connect(infoButton, SIGNAL(clicked()), this, SLOT(showDebugInfo()));
m_buttonLayout->addWidget(infoButton, 7, 0);
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162
sauimone
added LegendMarkerItem. Updated new legend example to test clicked of LegendMarker
 r2164 QPushButton *connectButton = new QPushButton("Connect markers");
connect(connectButton, SIGNAL(clicked()), this, SLOT(connectMarkers()));
m_buttonLayout->addWidget(connectButton, 8, 0);
QPushButton *disConnectButton = new QPushButton("Disconnect markers");
connect(disConnectButton, SIGNAL(clicked()), this, SLOT(disconnectMarkers()));
sauimone
fix to example. Event handling prototyping.
 r2169 m_buttonLayout->addWidget(disConnectButton, 9, 0);
sauimone
added LegendMarkerItem. Updated new legend example to test clicked of LegendMarker
 r2164
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162 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()));
QFormLayout* legendLayout = new QFormLayout();
legendLayout->addRow("HPos", m_legendPosX);
legendLayout->addRow("VPos", m_legendPosY);
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);
// Create chart view with the chart
m_chart = new QChart();
m_chartView = new QChartView(m_chart, this);
// 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()));
QFormLayout* fontLayout = new QFormLayout();
fontLayout->addRow("Legend font size", m_fontSize);
// Create layout for grid and detached legend
m_mainLayout = new QGridLayout();
m_mainLayout->addLayout(m_buttonLayout, 0, 0);
m_mainLayout->addLayout(fontLayout,1,0);
m_mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
setLayout(m_mainLayout);
createSeries();
}
void MainWidget::createSeries()
{
m_series = new QPieSeries();
addSlice();
addSlice();
addSlice();
addSlice();
m_chart->addSeries(m_series);
m_chart->setTitle("Legend detach example");
m_chart->createDefaultAxes();
//![1]
m_chart->legend()->setVisible(true);
m_chart->legend()->setAlignment(Qt::AlignBottom);
//![1]
m_chartView->setRenderHint(QPainter::Antialiasing);
}
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());
m_legendHeight->setValue(75);
}
void MainWidget::hideLegendSpinbox()
{
m_legendSettings->setVisible(false);
}
void MainWidget::toggleAttached()
{
QLegend *legend = m_chart->legend();
if (legend->isAttachedToChart()) {
//![2]
legend->detachFromChart();
m_chart->legend()->setBackgroundVisible(true);
m_chart->legend()->setBrush(QBrush(QColor(128,128,128,128)));
m_chart->legend()->setPen(QPen(QColor(192,192,192,192)));
//![2]
showLegendSpinbox();
updateLegendLayout();
} else {
//![3]
legend->attachToChart();
legend->setBackgroundVisible(false);
//![3]
hideLegendSpinbox();
}
update();
}
void MainWidget::addSlice()
{
QPieSlice* slice = new QPieSlice(QString("slice " + QString::number(m_series->count())), m_series->count()+1);
m_series->append(slice);
}
void MainWidget::removeSlice()
{
QList<QPieSlice*> slices = m_series->slices();
if (slices.count() > 0) {
m_series->remove(slices.at(slices.count()-1));
}
}
sauimone
added LegendMarkerItem. Updated new legend example to test clicked of LegendMarker
 r2164 void MainWidget::connectMarkers()
{
// Example use case.
// Explode slice via marker.
// Should be doable via public api.
foreach (QLegendMarker* marker, m_chart->legend()->markers()) {
// Disconnect possible existing connection to avoid multiple connections
QObject::disconnect(marker, SIGNAL(clicked()), this, SLOT(handleMarkerClicked()));
QObject::connect(marker, SIGNAL(clicked()), this, SLOT(handleMarkerClicked()));
}
}
void MainWidget::disconnectMarkers()
{
foreach (QLegendMarker* marker, m_chart->legend()->markers()) {
QObject::disconnect(marker, SIGNAL(clicked()), this, SLOT(handleMarkerClicked()));
}
}
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162 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;
}
}
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);
}
sauimone
Added createLegendMarkers to private series. This will replace old createLegendMarker method. Notice the s in new method name. PIMPL for QLegendMarker. Newlegend example updated a bit
 r2163 void MainWidget::showDebugInfo()
{
qDebug() << "marker count:" << m_chart->legend()->markers().count();
foreach (QLegendMarker* marker, m_chart->legend()->markers()) {
sauimone
added LegendMarkerItem. Updated new legend example to test clicked of LegendMarker
 r2164 qDebug() << "marker series type:" << marker->series()->type();
qDebug() << "peer object:" << marker->peerObject();
sauimone
Added createLegendMarkers to private series. This will replace old createLegendMarker method. Notice the s in new method name. PIMPL for QLegendMarker. Newlegend example updated a bit
 r2163 qDebug() << "label:" << marker->label();
}
}
sauimone
new legend example for testing new api. Currently using still the old one.
 r2162 void MainWidget::fontSizeChanged()
{
QFont font = m_chart->legend()->font();
font.setPointSizeF(m_fontSize->value());
m_chart->legend()->setFont(font);
}
void MainWidget::updateLegendLayout()
{
//![4]
m_chart->legend()->setGeometry(QRectF(m_legendPosX->value()
,m_legendPosY->value()
,m_legendWidth->value()
,m_legendHeight->value()));
m_chart->legend()->update();
//![4]
}
sauimone
added LegendMarkerItem. Updated new legend example to test clicked of LegendMarker
 r2164
void MainWidget::handleMarkerClicked()
{
QLegendMarker* marker = qobject_cast<QLegendMarker*> (sender());
qDebug() << "marker clicked:" << marker;
QPieSlice* slice = qobject_cast<QPieSlice*> (marker->peerObject());
Q_ASSERT(slice);
slice->setExploded(!slice->isExploded());
}