ground/gcs/src/plugins/qmlview/qmlviewgadgetwidget.cpp

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       qmlviewgadgetwidget.cpp
   5  * @author     Edouard Lafargue Copyright (C) 2010.
   6  * @author     Dmytro Poplavskiy Copyright (C) 2012.
   7  * @addtogroup GCSPlugins GCS Plugins
   8  * @{
   9  * @addtogroup OPMapPlugin QML Viewer Plugin
  10  * @{
  11  * @brief The QML Viewer Gadget
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #include "qmlviewgadgetwidget.h"
  30 #include "extensionsystem/pluginmanager.h"
  31 #include "uavobjectmanager.h"
  32 #include "uavobject.h"
  33 #include "utils/svgimageprovider.h"
  34
  35 #include <QDebug>
  36 #include <QSvgRenderer>
  37 #include <QtCore/qfileinfo.h>
  38 #include <QtCore/qdir.h>
  39
  40 #include <QQmlEngine>
  41 #include <QQmlContext>
  42
  43 QmlViewGadgetWidget::QmlViewGadgetWidget(QWindow *parent) :
  44     QQuickView(parent)
  45 {
  46     setResizeMode(SizeRootObjectToView);
  47
  48     QStringList objectsToExport;
  49     objectsToExport << "VelocityState" <<
  50         "PositionState" <<
  51         "AttitudeState" <<
  52         "GPSPositionSensor" <<
  53         "GCSTelemetryStats" <<
  54         "FlightBatteryState";
  55
  56     ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
  57     UAVObjectManager *objManager = pm->getObject<UAVObjectManager>();
  58
  59     foreach(const QString &objectName, objectsToExport) {
  60         UAVObject *object = objManager->getObject(objectName);
  61
  62         if (object) {
  63             engine()->rootContext()->setContextProperty(objectName, object);
  64         } else {
  65             qWarning() << "Failed to load object" << objectName;
  66         }
  67     }
  68
  69     engine()->rootContext()->setContextProperty("qmlWidget", this);
  70 }
  71
  72 QmlViewGadgetWidget::~QmlViewGadgetWidget()
  73 {}
  74
  75 void QmlViewGadgetWidget::setQmlFile(QString fn)
  76 {
  77     m_fn = fn;
  78
  79     engine()->removeImageProvider("svg");
  80     SvgImageProvider *svgProvider = new SvgImageProvider(fn);
  81     engine()->addImageProvider("svg", svgProvider);
  82
  83     // it's necessary to allow qml side to query svg element position
  84     engine()->rootContext()->setContextProperty("svgRenderer", svgProvider);
  85     engine()->setBaseUrl(QUrl::fromLocalFile(fn));
  86
  87     qDebug() << Q_FUNC_INFO << fn;
  88     setSource(QUrl::fromLocalFile(fn));
  89
  90     foreach(const QQmlError &error, errors()) {
  91         qDebug() << error.description();
  92     }
  93 }
  94
  95 /*!
  96    \brief Enables/Disables OpenGL
  97  */
  98 void QmlViewGadgetWidget::enableOpenGL(bool flag)
  99 {
 100     Q_UNUSED(flag)
 101 }