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Diffstat (limited to 'examples/svg/network/bearercloud/bearercloud.cpp')
| -rw-r--r-- | examples/svg/network/bearercloud/bearercloud.cpp | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/examples/svg/network/bearercloud/bearercloud.cpp b/examples/svg/network/bearercloud/bearercloud.cpp deleted file mode 100644 index 0f08aec..0000000 --- a/examples/svg/network/bearercloud/bearercloud.cpp +++ /dev/null @@ -1,212 +0,0 @@ -/**************************************************************************** -** -** 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 "bearercloud.h" -#include "cloud.h" - -#include <QGraphicsTextItem> -#include <QTimer> -#include <QHostInfo> -#include <QRandomGenerator> - -#include <QDebug> - -#include <qmath.h> - -//! [0] -BearerCloud::BearerCloud(QObject *parent) -: QGraphicsScene(parent), timerId(0) -{ - setSceneRect(-300, -300, 600, 600); - - - offset[QNetworkConfiguration::Active] = QRandomGenerator::global()->bounded(2 * M_PI); - offset[QNetworkConfiguration::Discovered] = offset[QNetworkConfiguration::Active] + M_PI / 6; - offset[QNetworkConfiguration::Defined] = offset[QNetworkConfiguration::Discovered] - M_PI / 6; - offset[QNetworkConfiguration::Undefined] = offset[QNetworkConfiguration::Undefined] + M_PI / 6; - - thisDevice = new QGraphicsTextItem(QHostInfo::localHostName()); - thisDevice->setData(0, QLatin1String("This Device")); - thisDevice->setPos(thisDevice->boundingRect().width() / -2, - thisDevice->boundingRect().height() / -2); - addItem(thisDevice); - - qreal radius = Cloud::getRadiusForState(QNetworkConfiguration::Active); - QGraphicsEllipseItem *orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius); - orbit->setPen(QColor(Qt::green)); - addItem(orbit); - radius = Cloud::getRadiusForState(QNetworkConfiguration::Discovered); - orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius); - orbit->setPen(QColor(Qt::blue)); - addItem(orbit); - radius = Cloud::getRadiusForState(QNetworkConfiguration::Defined); - orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius); - orbit->setPen(QColor(Qt::darkGray)); - addItem(orbit); - radius = Cloud::getRadiusForState(QNetworkConfiguration::Undefined); - orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius); - orbit->setPen(QColor(Qt::lightGray)); - addItem(orbit); - - connect(&manager, SIGNAL(configurationAdded(QNetworkConfiguration)), - this, SLOT(configurationAdded(QNetworkConfiguration))); - connect(&manager, SIGNAL(configurationRemoved(QNetworkConfiguration)), - this, SLOT(configurationRemoved(QNetworkConfiguration))); - connect(&manager, SIGNAL(configurationChanged(QNetworkConfiguration)), - this, SLOT(configurationChanged(QNetworkConfiguration))); - - QTimer::singleShot(0, this, SLOT(updateConfigurations())); -} -//! [0] - -BearerCloud::~BearerCloud() -{ -} - -void BearerCloud::cloudMoved() -{ - if (!timerId) - timerId = startTimer(1000 / 25); -} - -void BearerCloud::timerEvent(QTimerEvent *) -{ - std::vector<Cloud *> clouds; - const auto graphicsItems = items(); - clouds.reserve(graphicsItems.size()); - for (QGraphicsItem *item : graphicsItems) { - if (Cloud *cloud = qgraphicsitem_cast<Cloud *>(item)) - clouds.push_back(cloud); - } - - for (Cloud *cloud : clouds) - cloud->calculateForces(); - - bool cloudsMoved = false; - for (Cloud *cloud : clouds) - cloudsMoved |= cloud->advanceAnimation(); - - if (!cloudsMoved) { - killTimer(timerId); - timerId = 0; - } -} - -//! [2] -void BearerCloud::configurationAdded(const QNetworkConfiguration &config) -{ - const QNetworkConfiguration::StateFlags state = config.state(); - - configStates.insert(state, config.identifier()); - - const qreal radius = Cloud::getRadiusForState(state); - const int count = configStates.count(state); - const qreal angle = 2 * M_PI / count; - - Cloud *item = new Cloud(config); - configurations.insert(config.identifier(), item); - - item->setPos(radius * cos((count-1) * angle + offset[state]), - radius * sin((count-1) * angle + offset[state])); - - addItem(item); - - cloudMoved(); -} -//! [2] - -//! [3] -void BearerCloud::configurationRemoved(const QNetworkConfiguration &config) -{ - const auto id = config.identifier(); - for (auto it = configStates.begin(), end = configStates.end(); it != end; /* erasing */) { - if (it.value() == id) - it = configStates.erase(it); - else - ++it; - } - - Cloud *item = configurations.take(config.identifier()); - - item->setFinalScale(0.0); - item->setDeleteAfterAnimation(true); - - cloudMoved(); -} -//! [3] - -//! [4] -void BearerCloud::configurationChanged(const QNetworkConfiguration &config) -{ - const auto id = config.identifier(); - for (auto it = configStates.begin(), end = configStates.end(); it != end; /* erasing */) { - if (it.value() == id) - it = configStates.erase(it); - else - ++it; - } - - configStates.insert(config.state(), id); - - cloudMoved(); -} -//! [4] - -//! [1] -void BearerCloud::updateConfigurations() -{ - const auto allConfigurations = manager.allConfigurations(); - for (const QNetworkConfiguration &config : allConfigurations) - configurationAdded(config); - - cloudMoved(); -} -//! [1] - |