qt-everywhere-src-5.14.1/qtsvg/examples/svg/network/bearercloud/cloud.cpp - orbit - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
 ** BSD License Usage
 ** Alternatively, you may use this file under the terms of the BSD license
 ** as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "cloud.h"
 #include "bearercloud.h"

 #include <qnetworksession.h>

 #include <QGraphicsTextItem>
 #include <QGraphicsSvgItem>
 #include <QGraphicsSceneMouseEvent>
 #include <QSvgRenderer>
 #include <QPainter>

 #include <QDebug>

 #include <math.h>

 static QMap<QNetworkConfiguration::BearerType, QSvgRenderer *> svgCache;

 //! [0]
 Cloud::Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent)
 :   QGraphicsItem(parent), configuration(config), deleteAfterAnimation(false)
 {
     session = new QNetworkSession(configuration, this);
     connect(session, SIGNAL(newConfigurationActivated()),
             this, SLOT(newConfigurationActivated()));
     connect(session, SIGNAL(stateChanged(QNetworkSession::State)),
             this, SLOT(stateChanged(QNetworkSession::State)));

     setFlag(ItemIsMovable);
     setFlag(ItemSendsGeometryChanges);
     setZValue(1);

     icon = new QGraphicsSvgItem(this);
     text = new QGraphicsTextItem(this);

     currentScale = 0;
     finalScale = 1;
     setTransform(QTransform::fromScale(currentScale, currentScale), false);
     setOpacity(0);

     newConfigurationActivated();
 }
 //! [0]

 Cloud::~Cloud()
 {
 }

 void Cloud::setFinalScale(qreal factor)
 {
     finalScale = factor;
 }

 void Cloud::setDeleteAfterAnimation(bool deleteAfter)
 {
     deleteAfterAnimation = deleteAfter;
 }

 void Cloud::calculateForces()
 {
     if (!scene() || scene()->mouseGrabberItem() == this) {
         newPos = pos();
         return;
     }

     // sum up all the forces push this item away
     qreal xvel = 0;
     qreal yvel = 0;
     QLineF orbitForce;
     const auto graphicsItems = scene()->items();
     for (QGraphicsItem *item : graphicsItems) {
         // other clouds
         Cloud *cloud = qgraphicsitem_cast<Cloud *>(item);
         if (!cloud && item->data(0) != QLatin1String("This Device"))
             continue;

         qreal factor = 1.0;

         QLineF line(cloud ? item->mapToScene(0, 0) : QPointF(0, 0), mapToScene(0, 0));
         if (item->data(0) == QLatin1String("This Device"))
             orbitForce = line;

         if (cloud)
             factor = cloud->currentScale;

         qreal dx = line.dx();
         qreal dy = line.dy();
         double l = 2.0 * (dx * dx + dy * dy);
         if (l > 0) {
             xvel += factor * dx * 200.0 / l;
             yvel += factor * dy * 200.0 / l;
         }
     }

     // tendency to stay at a fixed orbit
     qreal orbit = getRadiusForState(configuration.state());
     qreal distance = orbitForce.length();

     QLineF unit = orbitForce.unitVector();

     orbitForce.setLength(xvel * unit.dx() + yvel * unit.dy());

     qreal w = 2 - exp(-pow(distance-orbit, 2)/(2 * 50));

     if (distance < orbit) {
         xvel += orbitForce.dx() * w;
         yvel += orbitForce.dy() * w;
     } else {
         xvel -= orbitForce.dx() * w;
         yvel -= orbitForce.dy() * w;
     }

     if (qAbs(xvel) < 0.1 && qAbs(yvel) < 0.1)
         xvel = yvel = 0;

     QRectF sceneRect = scene()->sceneRect();
     newPos = pos() + QPointF(xvel, yvel);
     newPos.setX(qMin(qMax(newPos.x(), sceneRect.left() + 10), sceneRect.right() - 10));
     newPos.setY(qMin(qMax(newPos.y(), sceneRect.top() + 10), sceneRect.bottom() - 10));
 }

 bool Cloud::advanceAnimation()
 {
     static const qreal scaleDelta = 0.01;

     bool animated = false;

     if (currentScale < finalScale) {
         animated = true;
         currentScale = qMin<qreal>(currentScale + scaleDelta, finalScale);
         setTransform(QTransform::fromScale(currentScale, currentScale), false);
     } else if (currentScale > finalScale) {
         animated = true;
         currentScale = qMax<qreal>(currentScale - scaleDelta, finalScale);
         setTransform(QTransform::fromScale(currentScale, currentScale), false);
     }

     if (newPos != pos()) {
         setPos(newPos);
         animated = true;
     }

     if (opacity() != finalOpacity) {
         animated = true;
         if (qAbs(finalScale - currentScale) > 0.0) {
             // use scale as reference
             setOpacity(opacity() + scaleDelta * (finalOpacity - opacity()) /
                        qAbs(finalScale - currentScale));
         } else {
             setOpacity(finalOpacity);
         }
     }

     if (!animated && deleteAfterAnimation)
         deleteLater();

     return animated;
 }

 QRectF Cloud::boundingRect() const
 {
     return childrenBoundingRect();
 }

 void Cloud::paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
 {
 }

 //! [4]
 QVariant Cloud::itemChange(GraphicsItemChange change, const QVariant &value)
 {
     switch (change) {
     case ItemPositionHasChanged:
         if (BearerCloud *bearercloud = qobject_cast<BearerCloud *>(scene()))
             bearercloud->cloudMoved();
     default:
         ;
     };

     return QGraphicsItem::itemChange(change, value);
 }
 //! [4]

 //! [3]
 void Cloud::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 {
     if (event->button() == Qt::LeftButton) {
         if (session->isOpen())
             session->close();
         else
             session->open();

         event->accept();
     }
 }
 //! [3]

 //! [2]
 void Cloud::stateChanged(QNetworkSession::State state)
 {
     if (configuration.name().isEmpty())
         finalOpacity = qreal(0.1);
     else if (session->state() == QNetworkSession::NotAvailable)
         finalOpacity = 0.5;
     else
         finalOpacity = 1.0;

     QString tooltip;

     if (configuration.name().isEmpty())
         tooltip += tr("<b>HIDDEN NETWORK</b><br>");
     else
         tooltip += tr("<b>%1</b><br>").arg(configuration.name());

 #ifndef QT_NO_NETWORKINTERFACE
     const QNetworkInterface interface = session->interface();
     if (interface.isValid())
         tooltip += tr("<br>Interface: %1").arg(interface.humanReadableName());
     tooltip += tr("<br>Id: %1").arg(configuration.identifier());
 #endif

     const QString bearerTypeName = configuration.bearerTypeName();
     if (!bearerTypeName.isEmpty())
         tooltip += tr("<br>Bearer: %1").arg(bearerTypeName);

     QString s = tr("<br>State: %1 (%2)");
     switch (state) {
     case QNetworkSession::Invalid:
         s = s.arg(tr("Invalid"));
         break;
     case QNetworkSession::NotAvailable:
         s = s.arg(tr("Not Available"));
         break;
     case QNetworkSession::Connecting:
         s = s.arg(tr("Connecting"));
         break;
     case QNetworkSession::Connected:
         s = s.arg(tr("Connected"));
         break;
     case QNetworkSession::Closing:
         s = s.arg(tr("Closing"));
         break;
     case QNetworkSession::Disconnected:
         s = s.arg(tr("Disconnected"));
         break;
     case QNetworkSession::Roaming:
         s = s.arg(tr("Roaming"));
         break;
     default:
         s = s.arg(tr("Unknown"));
     }

     if (session->isOpen())
         s = s.arg(tr("Open"));
     else
         s = s.arg(tr("Closed"));

     tooltip += s;

     tooltip += tr("<br><br>Active time: %1 seconds").arg(session->activeTime());
     tooltip += tr("<br>Received data: %1 bytes").arg(session->bytesReceived());
     tooltip += tr("<br>Sent data: %1 bytes").arg(session->bytesWritten());

     setToolTip(tooltip);
 }
 //! [2]

 //! [1]
 void Cloud::newConfigurationActivated()
 {
     QNetworkConfiguration::BearerType bearerType = configuration.bearerType();
     if (!svgCache.contains(bearerType)) {
         QSvgRenderer *renderer = 0;
         switch (bearerType) {
         case QNetworkConfiguration::BearerWLAN:
             renderer = new QSvgRenderer(QLatin1String(":wlan.svg"));
             break;
         case QNetworkConfiguration::BearerEthernet:
             renderer = new QSvgRenderer(QLatin1String(":lan.svg"));
             break;
         case QNetworkConfiguration::Bearer2G:
             renderer = new QSvgRenderer(QLatin1String(":cell.svg"));
             break;
         case QNetworkConfiguration::BearerBluetooth:
             renderer = new QSvgRenderer(QLatin1String(":bluetooth.svg"));
             break;
         case QNetworkConfiguration::BearerCDMA2000:
         case QNetworkConfiguration::BearerWCDMA:
         case QNetworkConfiguration::BearerHSPA:
             renderer = new QSvgRenderer(QLatin1String(":umts.svg"));
             break;
         default:
             renderer = new QSvgRenderer(QLatin1String(":unknown.svg"));
         }

         if (renderer)
             svgCache.insert(bearerType, renderer);
     }

     icon->setSharedRenderer(svgCache[bearerType]);

     if (configuration.name().isEmpty()) {
         text->setPlainText(tr("HIDDEN NETWORK"));
     } else {
         if (configuration.type() == QNetworkConfiguration::ServiceNetwork)
             text->setHtml("<b>" + configuration.name() + "</b>");
         else
             text->setPlainText(configuration.name());
     }

     const qreal height = icon->boundingRect().height() + text->boundingRect().height();

     icon->setPos(icon->boundingRect().width() / -2, height / -2);

     text->setPos(text->boundingRect().width() / -2,
                  height / 2 - text->boundingRect().height());

     stateChanged(session->state());
 }
 //! [1]

 qreal Cloud::getRadiusForState(QNetworkConfiguration::StateFlags state)
 {
     switch (state) {
     case QNetworkConfiguration::Active:
         return 100;
         break;
     case QNetworkConfiguration::Discovered:
         return 150;
         break;
     case QNetworkConfiguration::Defined:
         return 200;
         break;
     case QNetworkConfiguration::Undefined:
         return 250;
         break;
     default:
         return 300;
     }
 }
	/****************************************************************************
	**
	** Copyright (C) 2017 The Qt Company Ltd.
	** Contact: https://www.qt.io/licensing/
	**
	** This file is part of the examples of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:BSD$
	** Commercial License Usage
	** Licensees holding valid commercial Qt licenses may use this file in
	** accordance with the commercial license agreement provided with the
	** Software or, alternatively, in accordance with the terms contained in
	** a written agreement between you and The Qt Company. For licensing terms
	** and conditions see https://www.qt.io/terms-conditions. For further
	** information use the contact form at https://www.qt.io/contact-us.
	**
	** BSD License Usage
	** Alternatively, you may use this file under the terms of the BSD license
	** as follows:
	**
	** "Redistribution and use in source and binary forms, with or without
	** modification, are permitted provided that the following conditions are
	** met:
	** * Redistributions of source code must retain the above copyright
	** notice, this list of conditions and the following disclaimer.
	** * Redistributions in binary form must reproduce the above copyright
	** notice, this list of conditions and the following disclaimer in
	** the documentation and/or other materials provided with the
	** distribution.
	** * Neither the name of The Qt Company Ltd nor the names of its
	** contributors may be used to endorse or promote products derived
	** from this software without specific prior written permission.
	**
	**
	** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#include "cloud.h"
	#include "bearercloud.h"

	#include <qnetworksession.h>

	#include <QGraphicsTextItem>
	#include <QGraphicsSvgItem>
	#include <QGraphicsSceneMouseEvent>
	#include <QSvgRenderer>
	#include <QPainter>

	#include <QDebug>

	#include <math.h>

	static QMap<QNetworkConfiguration::BearerType, QSvgRenderer *> svgCache;

	//! [0]
	Cloud::Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent)
	: QGraphicsItem(parent), configuration(config), deleteAfterAnimation(false)
	{
	session = new QNetworkSession(configuration, this);
	connect(session, SIGNAL(newConfigurationActivated()),
	this, SLOT(newConfigurationActivated()));
	connect(session, SIGNAL(stateChanged(QNetworkSession::State)),
	this, SLOT(stateChanged(QNetworkSession::State)));

	setFlag(ItemIsMovable);
	setFlag(ItemSendsGeometryChanges);
	setZValue(1);

	icon = new QGraphicsSvgItem(this);
	text = new QGraphicsTextItem(this);

	currentScale = 0;
	finalScale = 1;
	setTransform(QTransform::fromScale(currentScale, currentScale), false);
	setOpacity(0);

	newConfigurationActivated();
	}
	//! [0]

	Cloud::~Cloud()
	{
	}

	void Cloud::setFinalScale(qreal factor)
	{
	finalScale = factor;
	}

	void Cloud::setDeleteAfterAnimation(bool deleteAfter)
	{
	deleteAfterAnimation = deleteAfter;
	}

	void Cloud::calculateForces()
	{
	if (!scene() \|\| scene()->mouseGrabberItem() == this) {
	newPos = pos();
	return;
	}

	// sum up all the forces push this item away
	qreal xvel = 0;
	qreal yvel = 0;
	QLineF orbitForce;
	const auto graphicsItems = scene()->items();
	for (QGraphicsItem *item : graphicsItems) {
	// other clouds
	Cloud cloud = qgraphicsitem_cast<Cloud >(item);
	if (!cloud && item->data(0) != QLatin1String("This Device"))
	continue;

	qreal factor = 1.0;

	QLineF line(cloud ? item->mapToScene(0, 0) : QPointF(0, 0), mapToScene(0, 0));
	if (item->data(0) == QLatin1String("This Device"))
	orbitForce = line;

	if (cloud)
	factor = cloud->currentScale;

	qreal dx = line.dx();
	qreal dy = line.dy();
	double l = 2.0 * (dx * dx + dy * dy);
	if (l > 0) {
	xvel += factor * dx * 200.0 / l;
	yvel += factor * dy * 200.0 / l;
	}
	}

	// tendency to stay at a fixed orbit
	qreal orbit = getRadiusForState(configuration.state());
	qreal distance = orbitForce.length();

	QLineF unit = orbitForce.unitVector();

	orbitForce.setLength(xvel * unit.dx() + yvel * unit.dy());

	qreal w = 2 - exp(-pow(distance-orbit, 2)/(2 * 50));

	if (distance < orbit) {
	xvel += orbitForce.dx() * w;
	yvel += orbitForce.dy() * w;
	} else {
	xvel -= orbitForce.dx() * w;
	yvel -= orbitForce.dy() * w;
	}

	if (qAbs(xvel) < 0.1 && qAbs(yvel) < 0.1)
	xvel = yvel = 0;

	QRectF sceneRect = scene()->sceneRect();
	newPos = pos() + QPointF(xvel, yvel);
	newPos.setX(qMin(qMax(newPos.x(), sceneRect.left() + 10), sceneRect.right() - 10));
	newPos.setY(qMin(qMax(newPos.y(), sceneRect.top() + 10), sceneRect.bottom() - 10));
	}

	bool Cloud::advanceAnimation()
	{
	static const qreal scaleDelta = 0.01;

	bool animated = false;

	if (currentScale < finalScale) {
	animated = true;
	currentScale = qMin<qreal>(currentScale + scaleDelta, finalScale);
	setTransform(QTransform::fromScale(currentScale, currentScale), false);
	} else if (currentScale > finalScale) {
	animated = true;
	currentScale = qMax<qreal>(currentScale - scaleDelta, finalScale);
	setTransform(QTransform::fromScale(currentScale, currentScale), false);
	}

	if (newPos != pos()) {
	setPos(newPos);
	animated = true;
	}

	if (opacity() != finalOpacity) {
	animated = true;
	if (qAbs(finalScale - currentScale) > 0.0) {
	// use scale as reference
	setOpacity(opacity() + scaleDelta * (finalOpacity - opacity()) /
	qAbs(finalScale - currentScale));
	} else {
	setOpacity(finalOpacity);
	}
	}

	if (!animated && deleteAfterAnimation)
	deleteLater();

	return animated;
	}

	QRectF Cloud::boundingRect() const
	{
	return childrenBoundingRect();
	}

	void Cloud::paint(QPainter , const QStyleOptionGraphicsItem , QWidget *)
	{
	}

	//! [4]
	QVariant Cloud::itemChange(GraphicsItemChange change, const QVariant &value)
	{
	switch (change) {
	case ItemPositionHasChanged:
	if (BearerCloud bearercloud = qobject_cast<BearerCloud >(scene()))
	bearercloud->cloudMoved();
	default:
	;
	};

	return QGraphicsItem::itemChange(change, value);
	}
	//! [4]

	//! [3]
	void Cloud::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
	{
	if (event->button() == Qt::LeftButton) {
	if (session->isOpen())
	session->close();
	else
	session->open();

	event->accept();
	}
	}
	//! [3]

	//! [2]
	void Cloud::stateChanged(QNetworkSession::State state)
	{
	if (configuration.name().isEmpty())
	finalOpacity = qreal(0.1);
	else if (session->state() == QNetworkSession::NotAvailable)
	finalOpacity = 0.5;
	else
	finalOpacity = 1.0;

	QString tooltip;

	if (configuration.name().isEmpty())
	tooltip += tr("<b>HIDDEN NETWORK</b><br>");
	else
	tooltip += tr("<b>%1</b><br>").arg(configuration.name());

	#ifndef QT_NO_NETWORKINTERFACE
	const QNetworkInterface interface = session->interface();
	if (interface.isValid())
	tooltip += tr("<br>Interface: %1").arg(interface.humanReadableName());
	tooltip += tr("<br>Id: %1").arg(configuration.identifier());
	#endif

	const QString bearerTypeName = configuration.bearerTypeName();
	if (!bearerTypeName.isEmpty())
	tooltip += tr("<br>Bearer: %1").arg(bearerTypeName);

	QString s = tr("<br>State: %1 (%2)");
	switch (state) {
	case QNetworkSession::Invalid:
	s = s.arg(tr("Invalid"));
	break;
	case QNetworkSession::NotAvailable:
	s = s.arg(tr("Not Available"));
	break;
	case QNetworkSession::Connecting:
	s = s.arg(tr("Connecting"));
	break;
	case QNetworkSession::Connected:
	s = s.arg(tr("Connected"));
	break;
	case QNetworkSession::Closing:
	s = s.arg(tr("Closing"));
	break;
	case QNetworkSession::Disconnected:
	s = s.arg(tr("Disconnected"));
	break;
	case QNetworkSession::Roaming:
	s = s.arg(tr("Roaming"));
	break;
	default:
	s = s.arg(tr("Unknown"));
	}

	if (session->isOpen())
	s = s.arg(tr("Open"));
	else
	s = s.arg(tr("Closed"));

	tooltip += s;

	tooltip += tr("<br><br>Active time: %1 seconds").arg(session->activeTime());
	tooltip += tr("<br>Received data: %1 bytes").arg(session->bytesReceived());
	tooltip += tr("<br>Sent data: %1 bytes").arg(session->bytesWritten());

	setToolTip(tooltip);
	}
	//! [2]

	//! [1]
	void Cloud::newConfigurationActivated()
	{
	QNetworkConfiguration::BearerType bearerType = configuration.bearerType();
	if (!svgCache.contains(bearerType)) {
	QSvgRenderer *renderer = 0;
	switch (bearerType) {
	case QNetworkConfiguration::BearerWLAN:
	renderer = new QSvgRenderer(QLatin1String(":wlan.svg"));
	break;
	case QNetworkConfiguration::BearerEthernet:
	renderer = new QSvgRenderer(QLatin1String(":lan.svg"));
	break;
	case QNetworkConfiguration::Bearer2G:
	renderer = new QSvgRenderer(QLatin1String(":cell.svg"));
	break;
	case QNetworkConfiguration::BearerBluetooth:
	renderer = new QSvgRenderer(QLatin1String(":bluetooth.svg"));
	break;
	case QNetworkConfiguration::BearerCDMA2000:
	case QNetworkConfiguration::BearerWCDMA:
	case QNetworkConfiguration::BearerHSPA:
	renderer = new QSvgRenderer(QLatin1String(":umts.svg"));
	break;
	default:
	renderer = new QSvgRenderer(QLatin1String(":unknown.svg"));
	}

	if (renderer)
	svgCache.insert(bearerType, renderer);
	}

	icon->setSharedRenderer(svgCache[bearerType]);

	if (configuration.name().isEmpty()) {
	text->setPlainText(tr("HIDDEN NETWORK"));
	} else {
	if (configuration.type() == QNetworkConfiguration::ServiceNetwork)
	text->setHtml("<b>" + configuration.name() + "</b>");
	else
	text->setPlainText(configuration.name());
	}

	const qreal height = icon->boundingRect().height() + text->boundingRect().height();

	icon->setPos(icon->boundingRect().width() / -2, height / -2);

	text->setPos(text->boundingRect().width() / -2,
	height / 2 - text->boundingRect().height());

	stateChanged(session->state());
	}
	//! [1]

	qreal Cloud::getRadiusForState(QNetworkConfiguration::StateFlags state)
	{
	switch (state) {
	case QNetworkConfiguration::Active:
	return 100;
	break;
	case QNetworkConfiguration::Discovered:
	return 150;
	break;
	case QNetworkConfiguration::Defined:
	return 200;
	break;
	case QNetworkConfiguration::Undefined:
	return 250;
	break;
	default:
	return 300;
	}
	}