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Diffstat (limited to 'GeoServicesExample/services/mapwindow.cpp')
-rw-r--r-- | GeoServicesExample/services/mapwindow.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/GeoServicesExample/services/mapwindow.cpp b/GeoServicesExample/services/mapwindow.cpp new file mode 100644 index 0000000..c32a5e8 --- /dev/null +++ b/GeoServicesExample/services/mapwindow.cpp @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation ([email protected]) +** +** This file is part of the documentation of Qt. It was originally +** published as part of Qt Quarterly. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** 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 Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you have questions regarding the use of this file, please contact +** Nokia at [email protected]. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QGeoCoordinate> +#include <QGeoMappingManagerEngine> +#include <QGraphicsGeoMap> +#include "mapwindow.h" + +using namespace QtMobility; + +MapWindow::MapWindow() +{ + scene = new QGraphicsScene(this); + + findServices(); + + QGraphicsView *view = new QGraphicsView(this); + view->setScene(scene); + setCentralWidget(view); +} + +void MapWindow::findServices() +{ + QMenu *serviceMenu = menuBar()->addMenu(tr("&Services")); + + actionGroup = new QActionGroup(this); + actionGroup->setExclusive(true); + connect(actionGroup, SIGNAL(triggered(QAction *)), + this, SLOT(selectService(QAction *))); + + foreach (const QString &name, QGeoServiceProvider::availableServiceProviders()) { + + QGeoServiceProvider *service = new QGeoServiceProvider(name); + services[name] = service; + QAction *action = serviceMenu->addAction(name); + action->setCheckable(true); + actionGroup->addAction(action); + } + + if (services.isEmpty()) { + + QGraphicsTextItem *item = scene->addText( + tr("Failed to find any map services. Please ensure that " + "the location services plugins for Qt Mobility have " + "been built and, if necessary, set the QT_PLUGIN_PATH " + "environment variable to the location of the Qt Mobility " + "plugins directory.")); + item->setTextWidth(300); + QAction *action = serviceMenu->addAction(tr("No services")); + action->setEnabled(false); + } else + actionGroup->actions()[0]->trigger(); +} + +void MapWindow::selectService(QAction *action) +{ + action->setChecked(true); + QString name = action->text(); + + scene->clear(); + + QGeoServiceProvider *service = services[name]; + if (service->error() != QGeoServiceProvider::NoError) { + + QGraphicsTextItem *item = scene->addText( + tr("The \"%1\" service failed with the following error:\n'" + "%2").arg(name).arg(service->errorString())); + item->setTextWidth(300); + } else { + QGeoMappingManager *manager = service->mappingManager(); + QGraphicsGeoMap *geoMap = new QGraphicsGeoMap(manager); + scene->addItem(geoMap); + + geoMap->resize(300, 300); + geoMap->setCenter(QGeoCoordinate(37.76, -25.675)); + geoMap->setMapType(QGraphicsGeoMap::TerrainMap); + geoMap->setZoomLevel(12); + } +} |