Added a QML viewer plugin.

UAV objects used in PFD are available in the QMl context.

ground/openpilotgcs/src/plugins/plugins.pro

@@ -127,6 +127,13 @@ plugin_pfd.depends = plugin_coreplugin
 plugin_pfd.depends += plugin_uavobjects
 SUBDIRS += plugin_pfd
 
+# Primary Flight Display (PFD) gadget
+plugin_qmlview.subdir = qmlview
+plugin_qmlview.depends = plugin_coreplugin
+plugin_qmlview.depends += plugin_uavobjects
+SUBDIRS += plugin_qmlview
+
+
 #IP connection plugin
 plugin_ipconnection.subdir = ipconnection
 plugin_ipconnection.depends = plugin_coreplugin

ground/openpilotgcs/src/plugins/qmlview/QMLView.pluginspec

@@ -0,0 +1,12 @@
+<plugin name="QMLView" version="1.0.0" compatVersion="1.0.0">
+    <vendor>The OpenPilot Project</vendor>
+    <copyright>(C) 2010 Edouard Lafargue</copyright>
+    <copyright>(C) 2012 Dmytro Poplavskiy</copyright>
+    <license>The GNU Public License (GPL) Version 3</license>
+    <description>QML viewer</description>
+    <url>http://www.openpilot.org</url>
+    <dependencyList>
+        <dependency name="Core" version="1.0.0"/>
+        <dependency name="UAVObjects" version="1.0.0"/>
+    </dependencyList>
+</plugin>    

ground/openpilotgcs/src/plugins/qmlview/qmlview.pro

@@ -0,0 +1,32 @@
+TEMPLATE = lib
+TARGET = QMLView
+QT += svg
+QT += opengl
+QT += declarative
+
+include(../../openpilotgcsplugin.pri)
+include(../../plugins/coreplugin/coreplugin.pri)
+include(qmlview_dependencies.pri)
+
+HEADERS += \
+    qmlviewplugin.h \
+    qmlviewgadget.h \
+    qmlviewgadgetwidget.h \
+    qmlviewgadgetfactory.h \
+    qmlviewgadgetconfiguration.h \
+    qmlviewgadgetoptionspage.h \
+    svgimageprovider.h
+
+SOURCES += \
+    qmlviewplugin.cpp \
+    qmlviewgadget.cpp \
+    qmlviewgadgetfactory.cpp \
+    qmlviewgadgetwidget.cpp \
+    qmlviewgadgetconfiguration.cpp \
+    qmlviewgadgetoptionspage.cpp \
+    svgimageprovider.cpp
+
+OTHER_FILES += QMLView.pluginspec
+
+FORMS += qmlviewgadgetoptionspage.ui
+

ground/openpilotgcs/src/plugins/qmlview/qmlview_dependencies.pri

@@ -0,0 +1 @@
+include(../../plugins/uavobjects/uavobjects.pri)

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadget.cpp

@@ -0,0 +1,55 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadget.cpp
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @author     Dmytro Poplavskiy Copyright (C) 2012.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "qmlviewgadget.h"
+#include "qmlviewgadgetwidget.h"
+#include "qmlviewgadgetconfiguration.h"
+
+QmlViewGadget::QmlViewGadget(QString classId, QmlViewGadgetWidget *widget, QWidget *parent) :
+        IUAVGadget(classId, parent),
+        m_widget(widget)
+{
+}
+
+QmlViewGadget::~QmlViewGadget()
+{
+    delete m_widget;
+}
+
+/*
+  This is called when a configuration is loaded, and updates the plugin's settings.
+  Careful: the plugin is already drawn before the loadConfiguration method is called the
+  first time, so you have to be careful not to assume all the plugin values are initialized
+  the first time you use them
+ */
+void QmlViewGadget::loadConfiguration(IUAVGadgetConfiguration* config)
+{
+    QmlViewGadgetConfiguration *m = qobject_cast<QmlViewGadgetConfiguration*>(config);
+    m_widget->setQmlFile(m->dialFile());
+    m_widget->enableOpenGL(m->useOpenGL());
+}

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadget.h

@@ -0,0 +1,56 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadget.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWGADGET_H_
+#define QMLVIEWQMLGADGET_H_
+
+#include <coreplugin/iuavgadget.h>
+#include "qmlviewgadgetwidget.h"
+
+class IUAVGadget;
+class QWidget;
+class QString;
+class QmlViewGadgetWidget;
+
+using namespace Core;
+
+class QmlViewGadget : public Core::IUAVGadget
+{
+    Q_OBJECT
+public:
+    QmlViewGadget(QString classId, QmlViewGadgetWidget *widget, QWidget *parent = 0);
+    ~QmlViewGadget();
+
+    QWidget *widget() { return m_widget; }
+    void loadConfiguration(IUAVGadgetConfiguration* config);
+
+private:
+    QmlViewGadgetWidget *m_widget;
+};
+
+
+#endif // QMLVIEWQMLGADGET_H_

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetconfiguration.cpp

@@ -0,0 +1,67 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetconfiguration.cpp
+ * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "qmlviewgadgetconfiguration.h"
+#include "utils/pathutils.h"
+
+/**
+ * Loads a saved configuration or defaults if non exist.
+ *
+ */
+QmlViewGadgetConfiguration::QmlViewGadgetConfiguration(QString classId, QSettings* qSettings, QObject *parent) :
+    IUAVGadgetConfiguration(classId, parent),
+    m_defaultDial("Unknown")
+{
+    //if a saved configuration exists load it
+    if(qSettings != 0) {
+        QString dialFile = qSettings->value("dialFile").toString();
+        useOpenGLFlag = qSettings->value("useOpenGLFlag").toBool();
+        m_defaultDial=Utils::PathUtils().InsertDataPath(dialFile);
+    }
+}
+
+/**
+ * Clones a configuration.
+ *
+ */
+IUAVGadgetConfiguration *QmlViewGadgetConfiguration::clone()
+{
+    QmlViewGadgetConfiguration *m = new QmlViewGadgetConfiguration(this->classId());
+    m->m_defaultDial=m_defaultDial;
+    m->useOpenGLFlag = useOpenGLFlag;
+    return m;
+}
+
+/**
+ * Saves a configuration.
+ *
+ */
+void QmlViewGadgetConfiguration::saveConfig(QSettings* qSettings) const {
+    QString dialFile = Utils::PathUtils().RemoveDataPath(m_defaultDial);
+    qSettings->setValue("dialFile", dialFile);
+    qSettings->setValue("useOpenGLFlag", useOpenGLFlag);
+}

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetconfiguration.h

@@ -0,0 +1,57 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetconfiguration.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWGADGETCONFIGURATION_H
+#define QMLVIEWGADGETCONFIGURATION_H
+
+#include <coreplugin/iuavgadgetconfiguration.h>
+
+using namespace Core;
+
+class QmlViewGadgetConfiguration : public IUAVGadgetConfiguration
+{
+Q_OBJECT
+public:
+    explicit QmlViewGadgetConfiguration(QString classId, QSettings* qSettings = 0, QObject *parent = 0);
+
+    //set dial configuration functions
+    void setDialFile(QString dialFile){m_defaultDial=dialFile;}
+    void setUseOpenGL(bool flag) { useOpenGLFlag = flag; }
+
+    //get dial configuration functions
+    QString dialFile() {return m_defaultDial;}
+    bool useOpenGL() { return useOpenGLFlag; }
+
+    void saveConfig(QSettings* settings) const;
+    IUAVGadgetConfiguration *clone();
+
+private:
+    QString m_defaultDial; // The name of the dial's SVG source file
+    bool useOpenGLFlag;
+};
+
+#endif // QmlViewGADGETCONFIGURATION_H

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetfactory.cpp

@@ -0,0 +1,60 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetfactory.cpp
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include "qmlviewgadgetfactory.h"
+#include "qmlviewgadgetwidget.h"
+#include "qmlviewgadget.h"
+#include "qmlviewgadgetconfiguration.h"
+#include "qmlviewgadgetoptionspage.h"
+#include <coreplugin/iuavgadget.h>
+
+QmlViewGadgetFactory::QmlViewGadgetFactory(QObject *parent) :
+        IUAVGadgetFactory(QString("QmlViewGadget"),
+                          tr("QML Viewer, QML"),
+                          parent)
+{
+}
+
+QmlViewGadgetFactory::~QmlViewGadgetFactory()
+{
+}
+
+Core::IUAVGadget* QmlViewGadgetFactory::createGadget(QWidget *parent)
+{
+    QmlViewGadgetWidget* gadgetWidget = new QmlViewGadgetWidget(parent);
+    return new QmlViewGadget(QString("QmlViewGadget"), gadgetWidget, parent);
+}
+
+IUAVGadgetConfiguration *QmlViewGadgetFactory::createConfiguration(QSettings* qSettings)
+{
+    return new QmlViewGadgetConfiguration(QString("QmlViewGadget"), qSettings);
+}
+
+IOptionsPage *QmlViewGadgetFactory::createOptionsPage(IUAVGadgetConfiguration *config)
+{
+    return new QmlViewGadgetOptionsPage(qobject_cast<QmlViewGadgetConfiguration*>(config));
+}
+

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetfactory.h

@@ -0,0 +1,52 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetfactory.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWGADGETFACTORY_H_
+#define QMLVIEWGADGETFACTORY_H_
+
+#include <coreplugin/iuavgadgetfactory.h>
+
+namespace Core {
+class IUAVGadget;
+class IUAVGadgetFactory;
+}
+
+using namespace Core;
+
+class QmlViewGadgetFactory : public IUAVGadgetFactory
+{
+    Q_OBJECT
+public:
+    QmlViewGadgetFactory(QObject *parent = 0);
+    ~QmlViewGadgetFactory();
+
+    Core::IUAVGadget *createGadget(QWidget *parent);
+    IUAVGadgetConfiguration *createConfiguration(QSettings* qSettings);
+    IOptionsPage *createOptionsPage(IUAVGadgetConfiguration *config);
+};
+
+#endif // QmlViewGADGETFACTORY_H_

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetoptionspage.cpp

@@ -0,0 +1,82 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetoptionspage.cpp
+ * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "qmlviewgadgetoptionspage.h"
+#include "qmlviewgadgetconfiguration.h"
+#include "ui_qmlviewgadgetoptionspage.h"
+#include "extensionsystem/pluginmanager.h"
+#include "uavobjectmanager.h"
+#include "uavdataobject.h"
+
+
+#include <QFileDialog>
+#include <QtAlgorithms>
+#include <QStringList>
+
+QmlViewGadgetOptionsPage::QmlViewGadgetOptionsPage(QmlViewGadgetConfiguration *config, QObject *parent) :
+        IOptionsPage(parent),
+        m_config(config)
+{
+}
+
+//creates options page widget (uses the UI file)
+QWidget *QmlViewGadgetOptionsPage::createPage(QWidget *parent)
+{
+
+    options_page = new Ui::QmlViewGadgetOptionsPage();
+    //main widget
+    QWidget *optionsPageWidget = new QWidget;
+    //main layout
+    options_page->setupUi(optionsPageWidget);
+
+
+
+    // Restore the contents from the settings:
+    options_page->svgSourceFile->setExpectedKind(Utils::PathChooser::File);
+    options_page->svgSourceFile->setPromptDialogFilter(tr("QML file (*.qml)"));
+    options_page->svgSourceFile->setPromptDialogTitle(tr("Choose QML file"));
+    options_page->svgSourceFile->setPath(m_config->dialFile());
+    options_page->useOpenGL->setChecked(m_config->useOpenGL());
+
+    return optionsPageWidget;
+}
+
+/**
+ * Called when the user presses apply or OK.
+ *
+ * Saves the current values
+ *
+ */
+void QmlViewGadgetOptionsPage::apply()
+{
+    m_config->setDialFile(options_page->svgSourceFile->path());
+    m_config->setUseOpenGL(options_page->useOpenGL->checkState());
+}
+
+void QmlViewGadgetOptionsPage::finish()
+{
+}

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetoptionspage.h

@@ -0,0 +1,65 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetoptionspage.h
+ * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWGADGETOPTIONSPAGE_H
+#define QMLVIEWGADGETOPTIONSPAGE_H
+
+#include "coreplugin/dialogs/ioptionspage.h"
+#include "QString"
+#include <QStringList>
+#include <QDebug>
+
+namespace Core {
+class IUAVGadgetConfiguration;
+}
+
+class QmlViewGadgetConfiguration;
+
+namespace Ui {
+    class QmlViewGadgetOptionsPage;
+}
+
+using namespace Core;
+
+class QmlViewGadgetOptionsPage : public IOptionsPage
+{
+Q_OBJECT
+public:
+    explicit QmlViewGadgetOptionsPage(QmlViewGadgetConfiguration *config, QObject *parent = 0);
+
+    QWidget *createPage(QWidget *parent);
+    void apply();
+    void finish();
+
+private:
+    Ui::QmlViewGadgetOptionsPage *options_page;
+    QmlViewGadgetConfiguration *m_config;
+
+private slots:
+};
+
+#endif // QmlViewGADGETOPTIONSPAGE_H

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetoptionspage.ui

@@ -0,0 +1,105 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>QmlViewGadgetOptionsPage</class>
+ <widget class="QWidget" name="QmlViewGadgetOptionsPage">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>529</width>
+    <height>271</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0">
+     <property name="spacing">
+      <number>10</number>
+     </property>
+     <property name="sizeConstraint">
+      <enum>QLayout::SetMaximumSize</enum>
+     </property>
+     <property name="bottomMargin">
+      <number>10</number>
+     </property>
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>QML file: </string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Utils::PathChooser" name="svgSourceFile" native="true">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QCheckBox" name="useOpenGL">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="text">
+        <string>Use OpenGL for rendering</string>
+       </property>
+       <property name="checked">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeType">
+      <enum>QSizePolicy::MinimumExpanding</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>Utils::PathChooser</class>
+   <extends>QWidget</extends>
+   <header>utils/pathchooser.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

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

@@ -0,0 +1,103 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetwidget.cpp
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @author     Dmytro Poplavskiy Copyright (C) 2012.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "qmlviewgadgetwidget.h"
+#include "extensionsystem/pluginmanager.h"
+#include "uavobjectmanager.h"
+#include "uavobject.h"
+
+#include <utils/stylehelper.h>
+#include <utils/cachedsvgitem.h>
+#include <iostream>
+#include <QDebug>
+#include <QPainter>
+#include <QtOpenGL/QGLWidget>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/qdir.h>
+#include <cmath>
+
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QtDeclarative/qdeclarativecontext.h>
+
+QmlViewGadgetWidget::QmlViewGadgetWidget(QWidget *parent) :
+    QDeclarativeView(parent)
+{
+    setMinimumSize(64,64);
+    setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+    setResizeMode(SizeRootObjectToView);
+
+    QStringList objectsToExport;
+    objectsToExport << "VelocityActual" <<
+                       "PositionActual" <<
+                       "AttitudeActual" <<
+                       "GPSPosition" <<
+                       "GCSTelemetryStats" <<
+                       "FlightBatteryState";
+
+    ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
+    UAVObjectManager *objManager = pm->getObject<UAVObjectManager>();
+
+    foreach (const QString &objectName, objectsToExport) {
+        UAVObject* object = objManager->getObject(objectName);
+        if (object)
+            engine()->rootContext()->setContextProperty(objectName, object);
+        else
+            qWarning() << "Failed to load object" << objectName;
+    }
+}
+
+QmlViewGadgetWidget::~QmlViewGadgetWidget()
+{
+}
+
+void QmlViewGadgetWidget::setQmlFile(QString fn)
+{
+    m_fn = fn;
+
+    engine()->removeImageProvider("svg");
+    engine()->addImageProvider("svg",
+              new SvgImageProvider(fn));
+
+    qDebug() << Q_FUNC_INFO << fn;
+    setSource(QUrl::fromLocalFile(fn));
+
+    foreach(const QDeclarativeError &error, errors()) {
+        qDebug() << error.description();
+    }
+}
+
+/*!
+  \brief Enables/Disables OpenGL
+  */
+void QmlViewGadgetWidget::enableOpenGL(bool flag) {
+    if (flag) {
+        setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
+    } else {
+        setViewport(new QWidget);
+    }
+}

ground/openpilotgcs/src/plugins/qmlview/qmlviewgadgetwidget.h

@@ -0,0 +1,61 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewgadgetwidget.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWGADGETWIDGET_H_
+#define QMLVIEWGADGETWIDGET_H_
+
+#include "qmlviewgadgetconfiguration.h"
+#include "svgimageprovider.h"
+
+#include <QtDeclarative/qdeclarativeview.h>
+
+#include <QtSvg/QSvgRenderer>
+#include <QtSvg/QGraphicsSvgItem>
+
+#include <QFile>
+#include <QTimer>
+
+class UAVObject;
+
+class QmlViewGadgetWidget : public QDeclarativeView
+{
+    Q_OBJECT
+
+public:
+    QmlViewGadgetWidget(QWidget *parent = 0);
+   ~QmlViewGadgetWidget();
+   void setQmlFile(QString fn);
+
+   void enableOpenGL(bool flag);
+   void enableSmoothUpdates(bool flag) { beSmooth = flag; }
+
+private:
+   // Flag to enable better rendering of fonts in OpenGL
+   bool beSmooth;
+   QString m_fn;
+};
+#endif /* QmlViewGADGETWIDGET_H_ */

ground/openpilotgcs/src/plugins/qmlview/qmlviewplugin.cpp

@@ -0,0 +1,66 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewplugin.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "qmlviewplugin.h"
+#include "qmlviewgadgetfactory.h"
+#include <QDebug>
+#include <QtPlugin>
+#include <QStringList>
+#include <extensionsystem/pluginmanager.h>
+
+
+QmlViewPlugin::QmlViewPlugin()
+{
+   // Do nothing
+}
+
+QmlViewPlugin::~QmlViewPlugin()
+{
+   // Do nothing
+}
+
+bool QmlViewPlugin::initialize(const QStringList& args, QString *errMsg)
+{
+   Q_UNUSED(args);
+   Q_UNUSED(errMsg);
+   mf = new QmlViewGadgetFactory(this);
+   addAutoReleasedObject(mf);
+
+   return true;
+}
+
+void QmlViewPlugin::extensionsInitialized()
+{
+   // Do nothing
+}
+
+void QmlViewPlugin::shutdown()
+{
+   // Do nothing
+}
+Q_EXPORT_PLUGIN(QmlViewPlugin)
+

ground/openpilotgcs/src/plugins/qmlview/qmlviewplugin.h

@@ -0,0 +1,47 @@
+/**
+ ******************************************************************************
+ *
+ * @file       qmlviewplugin.h
+ * @author     Edouard Lafargue Copyright (C) 2010.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief The QML Viewer Gadget 
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef QMLVIEWPLUGIN_H_
+#define QMLVIEWPLUGIN_H_
+
+#include <extensionsystem/iplugin.h>
+
+class QmlViewGadgetFactory;
+
+class QmlViewPlugin : public ExtensionSystem::IPlugin
+{
+public:
+   QmlViewPlugin();
+   ~QmlViewPlugin();
+
+   void extensionsInitialized();
+   bool initialize(const QStringList & arguments, QString * errorString);
+   void shutdown();
+private:
+   QmlViewGadgetFactory *mf;
+};
+#endif /* QMLVIEWPLUGIN_H_ */

ground/openpilotgcs/src/plugins/qmlview/svgimageprovider.cpp

@@ -0,0 +1,130 @@
+/**
+ ******************************************************************************
+ *
+ * @file       svgimageprovider.cpp
+ * @author     Dmytro Poplavskiy Copyright (C) 2012.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief Svg declarative image provider
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "svgimageprovider.h"
+#include <QDebug>
+#include <QPainter>
+#include <QUrl>
+
+SvgImageProvider::SvgImageProvider(const QString &basePath):
+    QDeclarativeImageProvider(QDeclarativeImageProvider::Image),
+    m_basePath(basePath)
+{
+}
+
+SvgImageProvider::~SvgImageProvider()
+{
+    qDeleteAll(m_renderers);
+}
+
+/**
+  requestedSize is realted to the whole svg file, not to specific element
+  */
+QImage SvgImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize)
+{
+    QString svgFile = id;
+    QString element;
+
+    int separatorPos = id.indexOf('!');
+    if (separatorPos != -1) {
+        svgFile = id.left(separatorPos);
+        element = id.mid(separatorPos+1);
+    }
+
+    if (size)
+        *size = QSize();
+
+    QSvgRenderer *renderer = m_renderers.value(svgFile);
+    if (!renderer) {
+        renderer = new QSvgRenderer(svgFile);
+
+        QString fn = QUrl::fromLocalFile(m_basePath).resolved(svgFile).toLocalFile();
+
+        //convert path to be relative to base
+        if (!renderer->isValid())
+            renderer->load(fn);
+
+        if (!renderer->isValid()) {
+            qWarning() << "Failed to load svg file:" << svgFile << fn;
+            return QImage();
+        }
+
+        m_renderers.insert(svgFile, renderer);
+    }
+
+    qreal xScale = 1.0;
+    qreal yScale = 1.0;
+
+    QSize docSize = renderer->defaultSize();
+
+    if (!requestedSize.isEmpty() && !docSize.isEmpty()) {
+        xScale = qreal(requestedSize.width())/docSize.width();
+        yScale = qreal(requestedSize.height())/docSize.height();
+    }
+
+    //keep the aspect ratio
+    //TODO: how to configure it? as a part of image path?
+    xScale = yScale = qMin(xScale, yScale);
+
+    if (!element.isEmpty()) {
+        if (!renderer->elementExists(element)) {
+            qWarning() << "invalid element:" << element << "of" << svgFile;
+            return QImage();
+        }
+
+        QRectF elementBounds = renderer->boundsOnElement(element);
+        int w = qRound(elementBounds.width() * xScale);
+        int h = qRound(elementBounds.height() * yScale);
+
+        QImage img(w, h, QImage::Format_ARGB32_Premultiplied);
+        img.fill(0);
+        QPainter p(&img);
+        renderer->render(&p, element);
+
+        if (size)
+            *size = QSize(w, h);
+        return img;
+    } else {
+        //render the whole svg file
+        int w = qRound(docSize.width() * xScale);
+        int h = qRound(docSize.height() * yScale);
+
+        QImage img(w, h, QImage::Format_ARGB32_Premultiplied);
+        img.fill(0);
+        QPainter p(&img);
+        renderer->render(&p);
+
+        if (size)
+            *size = QSize(w, h);
+        return img;
+    }
+}
+
+QPixmap SvgImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
+{
+    return QPixmap::fromImage(requestImage(id, size, requestedSize));
+}

ground/openpilotgcs/src/plugins/qmlview/svgimageprovider.h

@@ -0,0 +1,49 @@
+/**
+ ******************************************************************************
+ *
+ * @file       svgimageprovider.h
+ * @author     Dmytro Poplavskiy Copyright (C) 2012.
+ * @addtogroup GCSPlugins GCS Plugins
+ * @{
+ * @addtogroup OPMapPlugin QML Viewer Plugin
+ * @{
+ * @brief Svg declarative image provider
+ *****************************************************************************/
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef SVGIMAGEPROVIDER_H_
+#define SVGIMAGEPROVIDER_H_
+
+#include <QtDeclarative/qdeclarativeimageprovider.h>
+#include <QSvgRenderer>
+#include <QMap>
+
+class SvgImageProvider : public QDeclarativeImageProvider
+{
+public:
+    SvgImageProvider(const QString &basePath);
+   ~SvgImageProvider();
+
+    QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize);
+    QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize);
+
+private:
+    QMap<QString, QSvgRenderer*> m_renderers;
+    QString m_basePath;
+};
+
+#endif