MainWindow.cc

/*=====================================================================

QGroundControl Open Source Ground Control Station

(c) 2009 - 2013 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>

This file is part of the QGROUNDCONTROL project

    QGROUNDCONTROL 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.

    QGROUNDCONTROL 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 QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.

======================================================================*/

/**
 * @file
 *   @brief Implementation of class MainWindow
 *   @author Lorenz Meier <mail@qgroundcontrol.org>
 */

#include <QSettings>
#include <QDockWidget>
#include <QNetworkInterface>
#include <QMessageBox>
#include <QDebug>
#include <QTimer>
#include <QHostInfo>
#include <QSplashScreen>
#include <QGCHilLink.h>
#include <QGCHilConfiguration.h>
#include <QGCHilFlightGearConfiguration.h>
#include "dockwidgettitlebareventfilter.h"
#include "QGC.h"
#include "MAVLinkSimulationLink.h"
#include "SerialLink.h"
#include "UDPLink.h"
#include "MAVLinkProtocol.h"
#include "CommConfigurationWindow.h"
#include "QGCWaypointListMulti.h"
#include "MainWindow.h"
#include "JoystickWidget.h"
#include "GAudioOutput.h"
#include "QGCToolWidget.h"
#include "QGCMAVLinkLogPlayer.h"
#include "QGCSettingsWidget.h"
#include "QGCMapTool.h"
#include "MAVLinkDecoder.h"
#include "QGCMAVLinkMessageSender.h"
#include "QGCRGBDView.h"
#include "QGCFirmwareUpdate.h"
#include "QGCStatusBar.h"
#include "UASQuickView.h"

#ifdef QGC_OSG_ENABLED
#include "Q3DWidgetFactory.h"
#endif

// FIXME Move
#include "PxQuadMAV.h"
#include "SlugsMAV.h"


#include "LogCompressor.h"

MainWindow* MainWindow::instance(QSplashScreen* screen)
{
    static MainWindow* _instance = 0;
    if(_instance == 0)
    {
        _instance = new MainWindow();
        if (screen) connect(_instance, SIGNAL(initStatusChanged(QString)), screen, SLOT(showMessage(QString)));

        /* Set the application as parent to ensure that this object
                 * will be destroyed when the main application exits */
        //_instance->setParent(qApp);
    }
    return _instance;
}

/**
* Create new mainwindow. The constructor instantiates all parts of the user
* interface. It does NOT show the mainwindow. To display it, call the show()
* method.
*
* @see QMainWindow::show()
**/
MainWindow::MainWindow(QWidget *parent):
    QMainWindow(parent),
    currentView(VIEW_FLIGHT),
    currentStyle(QGC_MAINWINDOW_STYLE_INDOOR),
    aboutToCloseFlag(false),
    changingViewsFlag(false),
    centerStackActionGroup(new QActionGroup(this)),
    styleFileName(QCoreApplication::applicationDirPath() + "/style-indoor.css"),
    autoReconnect(false),
    lowPowerMode(false)
{
    hide();
    dockWidgetTitleBarEnabled = true;
    isAdvancedMode = false;
    emit initStatusChanged("Loading UI Settings..");
    loadSettings();

    emit initStatusChanged("Loading Style.");
    loadStyle(currentStyle);

    if (settings.contains("ADVANCED_MODE"))
    {
        isAdvancedMode = settings.value("ADVANCED_MODE").toBool();
    }

    if (!settings.contains("CURRENT_VIEW"))
    {
        // Set this view as default view
        settings.setValue("CURRENT_VIEW", currentView);
    }
    else
    {
        // LOAD THE LAST VIEW
        VIEW_SECTIONS currentViewCandidate = (VIEW_SECTIONS) settings.value("CURRENT_VIEW", currentView).toInt();
        if (currentViewCandidate != VIEW_ENGINEER &&
                currentViewCandidate != VIEW_MISSION &&
                currentViewCandidate != VIEW_FLIGHT &&
                currentViewCandidate != VIEW_FULL)
        {
            currentView = currentViewCandidate;
        }
    }

    settings.sync();

    emit initStatusChanged("Setting up user interface.");

    // Setup user interface
    ui.setupUi(this);
    hide();

    // We only need this menu if we have more than one system
    //    ui.menuConnected_Systems->setEnabled(false);

    // Set dock options
    setDockOptions(AnimatedDocks | AllowTabbedDocks | AllowNestedDocks);

    configureWindowName();

    // Setup corners
    setCorner(Qt::BottomRightCorner, Qt::BottomDockWidgetArea);

    // Setup UI state machines
    centerStackActionGroup->setExclusive(true);

    centerStack = new QStackedWidget(this);
    setCentralWidget(centerStack);

    // Load Toolbar
    toolBar = new QGCToolBar(this);
    this->addToolBar(toolBar);

    // Add actions for average users (displayed next to each other)
    QList<QAction*> actions;
    actions << ui.actionFlightView;
    actions << ui.actionMissionView;
    actions << ui.actionConfiguration_2;
    toolBar->setPerspectiveChangeActions(actions);

    // Add actions for advanced users (displayed in dropdown under "advanced")
    QList<QAction*> advancedActions;
    advancedActions << ui.actionSimulation_View;
    advancedActions << ui.actionEngineersView;

    toolBar->setPerspectiveChangeAdvancedActions(advancedActions);
    customStatusBar = new QGCStatusBar(this);
    setStatusBar(customStatusBar);
    statusBar()->setSizeGripEnabled(true);



    emit initStatusChanged("Building common widgets.");

    buildCommonWidgets();
    connectCommonWidgets();

    emit initStatusChanged("Building common actions.");

    // Create actions
    connectCommonActions();

    // Populate link menu
    emit initStatusChanged("Populating link menu");
    QList<LinkInterface*> links = LinkManager::instance()->getLinks();
    foreach(LinkInterface* link, links)
    {
        this->addLink(link);
    }

    connect(LinkManager::instance(), SIGNAL(newLink(LinkInterface*)), this, SLOT(addLink(LinkInterface*)));

    // Connect user interface devices
    emit initStatusChanged("Initializing joystick interface.");
    joystickWidget = 0;
    joystick = new JoystickInput();

#ifdef MOUSE_ENABLED_WIN
    emit initStatusChanged("Initializing 3D mouse interface.");

    mouseInput = new Mouse3DInput(this);
    mouse = new Mouse6dofInput(mouseInput);
#endif //MOUSE_ENABLED_WIN

#if MOUSE_ENABLED_LINUX
    emit initStatusChanged("Initializing 3D mouse interface.");

    mouse = new Mouse6dofInput(this);
    connect(this, SIGNAL(x11EventOccured(XEvent*)), mouse, SLOT(handleX11Event(XEvent*)));
#endif //MOUSE_ENABLED_LINUX

    // Connect link
    if (autoReconnect)
    {
        SerialLink* link = new SerialLink();
        // Add to registry
        LinkManager::instance()->add(link);
        LinkManager::instance()->addProtocol(link, mavlink);
        link->connect();
    }

    // Set low power mode
    enableLowPowerMode(lowPowerMode);

    // Initialize window state
    windowStateVal = windowState();

    emit initStatusChanged("Restoring last view state.");

    // Restore the window setup
    loadViewState();

    emit initStatusChanged("Restoring last window size.");
    // Restore the window position and size
    if (settings.contains(getWindowGeometryKey()))
    {
        // Restore the window geometry
        restoreGeometry(settings.value(getWindowGeometryKey()).toByteArray());
        show();
    }
    else
    {
        // Adjust the size
        const int screenWidth = QApplication::desktop()->width();
        const int screenHeight = QApplication::desktop()->height();

        if (screenWidth < 1500)
        {
            resize(screenWidth, screenHeight - 80);
            show();
        }
        else
        {
            resize(screenWidth*0.67f, qMin(screenHeight, (int)(screenWidth*0.67f*0.67f)));
            show();
        }

    }

    connect(&windowNameUpdateTimer, SIGNAL(timeout()), this, SLOT(configureWindowName()));
    windowNameUpdateTimer.start(15000);
    emit initStatusChanged("Done.");
    show();
}

MainWindow::~MainWindow()
{
    if (mavlink)
    {
        delete mavlink;
        mavlink = NULL;
    }
    //    if (simulationLink)
    //    {
    //        simulationLink->deleteLater();
    //        simulationLink = NULL;
    //    }
    if (joystick)
    {
        joystick->shutdown();
        joystick->wait(5000);
        delete joystick;
        joystick = NULL;
    }

    // Get and delete all dockwidgets and contained
    // widgets
    QObjectList childList(this->children());

    QObjectList::iterator i;
    QDockWidget* dockWidget;
    for (i = childList.begin(); i != childList.end(); ++i)
    {
        dockWidget = dynamic_cast<QDockWidget*>(*i);
        if (dockWidget)
        {
            // Remove dock widget from main window
            // removeDockWidget(dockWidget);
            // delete dockWidget->widget();
            delete dockWidget;
            dockWidget = NULL;
        }
        else if (dynamic_cast<QWidget*>(*i))
        {
            delete dynamic_cast<QWidget*>(*i);
            *i = NULL;
        }
    }
    // Delete all UAS objects
}

void MainWindow::resizeEvent(QResizeEvent * event)
{
    if (width() > 1200)
    {
        toolBar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
    }
    else
    {
        toolBar->setToolButtonStyle(Qt::ToolButtonIconOnly);
    }

    QMainWindow::resizeEvent(event);
}

QString MainWindow::getWindowStateKey()
{
    if (UASManager::instance()->getActiveUAS())
    {
        return QString::number(currentView)+"_windowstate_" + UASManager::instance()->getActiveUAS()->getAutopilotTypeName();
    }
    else

        return QString::number(currentView)+"_windowstate";
}

QString MainWindow::getWindowGeometryKey()
{
    //return QString::number(currentView)+"_geometry";
    return "_geometry";
}

void MainWindow::buildCustomWidget()
{
    // Create custom widgets
    QList<QGCToolWidget*> widgets = QGCToolWidget::createWidgetsFromSettings(this);

    if (widgets.size() > 0)
    {
        ui.menuTools->addSeparator();
    }

    for(int i = 0; i < widgets.size(); ++i)
    {
        // Check if this widget already has a parent, do not create it in this case
        QGCToolWidget* tool = widgets.at(i);
        QDockWidget* dock = dynamic_cast<QDockWidget*>(tool->parentWidget());
        if (!dock)
        {
            QSettings settings;
            settings.beginGroup("QGC_MAINWINDOW");

            /*QDockWidget* dock = new QDockWidget(tool->windowTitle(), this);
            dock->setObjectName(tool->objectName()+"_DOCK");
            dock->setWidget(tool);
            connect(tool, SIGNAL(destroyed()), dock, SLOT(deleteLater()));
            QAction* showAction = new QAction(widgets.at(i)->windowTitle(), this);
            showAction->setCheckable(true);
            connect(showAction, SIGNAL(triggered(bool)), dock, SLOT(setVisible(bool)));
            connect(dock, SIGNAL(visibilityChanged(bool)), showAction, SLOT(setChecked(bool)));
            widgets.at(i)->setMainMenuAction(showAction);
            ui.menuTools->addAction(showAction);*/

            // Load dock widget location (default is bottom)
            Qt::DockWidgetArea location = static_cast <Qt::DockWidgetArea>(tool->getDockWidgetArea(currentView));

            //addDockWidget(location, dock);
            //dock->hide();
            int view = settings.value(QString("TOOL_PARENT_") + tool->objectName(),-1).toInt();
            //settings.setValue(QString("TOOL_PARENT_") + "UNNAMED_TOOL_" + QString::number(ui.menuTools->actions().size()),currentView);
            settings.endGroup();

            QDockWidget* dock;

            switch (view)
            {
            case VIEW_ENGINEER:
                dock = createDockWidget(engineeringView,tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            case VIEW_FLIGHT:
                dock = createDockWidget(pilotView,tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            case VIEW_SIMULATION:
                dock = createDockWidget(simView,tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            case VIEW_MISSION:
                dock = createDockWidget(plannerView,tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            case VIEW_MAVLINK:
                dock = createDockWidget(mavlinkView,tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            default:
                dock = createDockWidget(centerStack->currentWidget(),tool,tool->getTitle(),tool->objectName(),(VIEW_SECTIONS)view,location);
                break;
            }

            // XXX temporary "fix"
            dock->hide();

            //createDockWidget(0,tool,tool->getTitle(),tool->objectName(),view,location);
        }
    }
}

void MainWindow::buildCommonWidgets()
{
    //TODO:  move protocol outside UI
    mavlink     = new MAVLinkProtocol();
    connect(mavlink, SIGNAL(protocolStatusMessage(QString,QString)), this, SLOT(showCriticalMessage(QString,QString)), Qt::QueuedConnection);
    // Add generic MAVLink decoder
    mavlinkDecoder = new MAVLinkDecoder(mavlink, this);

    // Log player
    logPlayer = new QGCMAVLinkLogPlayer(mavlink, customStatusBar);
    customStatusBar->setLogPlayer(logPlayer);

    // Center widgets
    if (!plannerView)
    {
        plannerView = new SubMainWindow(this);
        plannerView->setCentralWidget(new QGCMapTool(this));
        //mapWidget = new QGCMapTool(this);
        addCentralWidget(plannerView, "Maps");
    }

    //pilotView
    if (!pilotView)
    {
        pilotView = new SubMainWindow(this);
        pilotView->setObjectName("VIEW_FLIGHT");
        //pilotView->setCentralWidget(new HUD(320,240,this));
        pilotView->setCentralWidget(new QGCMapTool(this));
        //hudWidget         = new HUD(320, 240, this);
        //addCentralWidget(hudWidget, tr("Head Up Display"));
        //mapWidget = new QGCMapTool(this);
        addCentralWidget(pilotView, "Pilot");
    }
    if (!configView)
    {
        configView = new SubMainWindow(this);
        configView->setObjectName("VIEW_CONFIGURATION");
        configView->setCentralWidget(new QGCVehicleConfig(this));
        addCentralWidget(configView,"Config");
        centralWidgetToDockWidgetsMap[VIEW_CONFIGURATION] = QMap<QString,QWidget*>();

    }
    if (!engineeringView)
    {
        engineeringView = new SubMainWindow(this);
        engineeringView->setObjectName("VIEW_ENGINEER");
        engineeringView->setCentralWidget(new QGCDataPlot2D(this));
        addCentralWidget(engineeringView,tr("Logfile Plot"));
    }
    if (!mavlinkView)
    {
        mavlinkView = new SubMainWindow(this);
        mavlinkView->setObjectName("VIEW_MAVLINK");
        mavlinkView->setCentralWidget(new XMLCommProtocolWidget(this));
        addCentralWidget(mavlinkView,tr("Mavlink Generator"));
    }
    if (!simView)
    {
        simView = new SubMainWindow(this);
        simView->setObjectName("VIEW_SIMULATOR");
        simView->setCentralWidget(new QGCMapTool(this));
        addCentralWidget(simView,tr("Simulation View"));
    }

    // Dock widgets
    QAction* tempAction = ui.menuTools->addAction(tr("Control"));
    tempAction->setCheckable(true);
    connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));

    createDockWidget(simView,new UASControlWidget(this),tr("Control"),"UNMANNED_SYSTEM_CONTROL_DOCKWIDGET",VIEW_SIMULATION,Qt::LeftDockWidgetArea);

    createDockWidget(plannerView,new UASListWidget(this),tr("Unmanned Systems"),"UNMANNED_SYSTEM_LIST_DOCKWIDGET",VIEW_MISSION,Qt::LeftDockWidgetArea);

    {
        //createDockWidget(plannerView,new QGCWaypointListMulti(this),tr("Mission Plan"),"WAYPOINT_LIST_DOCKWIDGET",VIEW_MISSION,Qt::BottomDockWidgetArea);
        QAction* tempAction = ui.menuTools->addAction(tr("Mission Plan"));
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
        menuToDockNameMap[tempAction] = "WAYPOINT_LIST_DOCKWIDGET";
    }

    createDockWidget(simView,new QGCWaypointListMulti(this),tr("Mission Plan"),"WAYPOINT_LIST_DOCKWIDGET",VIEW_SIMULATION,Qt::BottomDockWidgetArea);
    createDockWidget(engineeringView,new QGCMAVLinkInspector(mavlink,this),tr("MAVLink Inspector"),"MAVLINK_INSPECTOR_DOCKWIDGET",VIEW_ENGINEER,Qt::RightDockWidgetArea);

    createDockWidget(engineeringView,new ParameterInterface(this),tr("Onboard Parameters"),"PARAMETER_INTERFACE_DOCKWIDGET",VIEW_ENGINEER,Qt::RightDockWidgetArea);
    createDockWidget(simView,new ParameterInterface(this),tr("Onboard Parameters"),"PARAMETER_INTERFACE_DOCKWIDGET",VIEW_SIMULATION,Qt::RightDockWidgetArea);


    {
        QAction* tempAction = ui.menuTools->addAction(tr("Status Details"));
        menuToDockNameMap[tempAction] = "UAS_STATUS_DETAILS_DOCKWIDGET";
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
    }
    {
        QAction* tempAction = ui.menuTools->addAction(tr("Communication Console"));
        menuToDockNameMap[tempAction] = "COMMUNICATION_DEBUG_CONSOLE_DOCKWIDGET";
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
    }
    createDockWidget(simView,new HSIDisplay(this),tr("Horizontal Situation"),"HORIZONTAL_SITUATION_INDICATOR_DOCKWIDGET",VIEW_SIMULATION,Qt::BottomDockWidgetArea);



    //FIXME: memory of acceptList will never be freed again
    QStringList* acceptList = new QStringList();
    acceptList->append("-3.3,ATTITUDE.roll,rad,+3.3,s");
    acceptList->append("-3.3,ATTITUDE.pitch,deg,+3.3,s");
    acceptList->append("-3.3,ATTITUDE.yaw,deg,+3.3,s");

    //FIXME: memory of acceptList2 will never be freed again
    QStringList* acceptList2 = new QStringList();
    acceptList2->append("0,RAW_PRESSURE.pres_abs,hPa,65500");


    //HDDisplay* hdDisplay = new HDDisplay(acceptList, "Flight Display", this);
    //hdDisplay->addSource(mavlinkDecoder);
    //createDockWidget(pilotView,hdDisplay,tr("Flight Display"),"HEAD_DOWN_DISPLAY_1_DOCKWIDGET",VIEW_FLIGHT,Qt::RightDockWidgetArea);

    //HDDisplay* hdDisplay2 = new HDDisplay(acceptList2, "Actuator Status", this);
    //hdDisplay2->addSource(mavlinkDecoder);
    //createDockWidget(pilotView,hdDisplay2,tr("Actuator Status"),"HEAD_DOWN_DISPLAY_2_DOCKWIDGET",VIEW_FLIGHT,Qt::RightDockWidgetArea);

    {
        QAction* tempAction = ui.menuTools->addAction(tr("Flight Display"));
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
        menuToDockNameMap[tempAction] = "HEAD_DOWN_DISPLAY_1_DOCKWIDGET";
    }

    {
        QAction* tempAction = ui.menuTools->addAction(tr("Actuator Status"));
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
        menuToDockNameMap[tempAction] = "HEAD_DOWN_DISPLAY_2_DOCKWIDGET";
    }

    {
        QAction* tempAction = ui.menuTools->addAction(tr("Radio Control"));
        tempAction->setCheckable(true);
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
    }


    createDockWidget(simView,new HUD(320,240,this),tr("Head Up Display"),"HEAD_UP_DISPLAY_DOCKWIDGET",VIEW_SIMULATION,Qt::RightDockWidgetArea,this->width()/1.5);

    createDockWidget(pilotView,new UASListWidget(this),tr("Unmanned Systems"),"UNMANNED_SYSTEM_LIST_DOCKWIDGET",VIEW_FLIGHT,Qt::RightDockWidgetArea);
    createDockWidget(pilotView,new HUD(320,240,this),tr("Head Up Display"),"HEAD_UP_DISPLAY_DOCKWIDGET",VIEW_FLIGHT,Qt::LeftDockWidgetArea,this->width()/1.8);
    //createDockWidget(pilotView,new UASQuickView(this),tr("Quick View"),"UAS_INFO_QUICKVIEW_DOCKWIDGET",VIEW_FLIGHT,Qt::LeftDockWidgetArea);
    UASQuickView *quickview = new UASQuickView(this);
    quickview->addSource(mavlinkDecoder);
    createDockWidget(pilotView,quickview,tr("Quick View"),"UAS_INFO_QUICKVIEW_DOCKWIDGET",VIEW_FLIGHT,Qt::LeftDockWidgetArea);
    //hddisplay->addSource(mavlinkDecoder);
    createDockWidget(pilotView,new HSIDisplay(this),tr("Horizontal Situation"),"HORIZONTAL_SITUATION_INDICATOR_DOCKWIDGET",VIEW_FLIGHT,Qt::LeftDockWidgetArea);
    pilotView->setTabPosition(Qt::LeftDockWidgetArea,QTabWidget::North);
    pilotView->tabifyDockWidget((QDockWidget*)centralWidgetToDockWidgetsMap[VIEW_FLIGHT]["HORIZONTAL_SITUATION_INDICATOR_DOCKWIDGET"],(QDockWidget*)centralWidgetToDockWidgetsMap[VIEW_FLIGHT]["UAS_INFO_QUICKVIEW_DOCKWIDGET"]);


    // Custom widgets, added last to all menus and layouts
    buildCustomWidget();



    /*if (!protocolWidget)
    {
        protocolWidget    = new XMLCommProtocolWidget(this);
        addCentralWidget(protocolWidget, "Mavlink Generator");
    }*/


    //    if (!firmwareUpdateWidget)
    //    {
    //        firmwareUpdateWidget    = new QGCFirmwareUpdate(this);
    //        addCentralWidget(firmwareUpdateWidget, "Firmware Update");
    //    }

    /*if (!hudWidget)
    {
        hudWidget         = new HUD(320, 240, this);
        addCentralWidget(hudWidget, tr("Head Up Display"));
    }*/

    /*if (!configWidget)
    {
        configWidget = new QGCVehicleConfig(this);
        addCentralWidget(configWidget, tr("Vehicle Configuration"));
    }*/


    /*if (!dataplotWidget)
    {
        dataplotWidget    = new QGCDataPlot2D(this);
        addCentralWidget(dataplotWidget, tr("Logfile Plot"));
    }*/

#ifdef QGC_OSG_ENABLED
    if (!_3DWidget)
    {
        _3DWidget         = Q3DWidgetFactory::get("PIXHAWK", this);
        addCentralWidget(_3DWidget, tr("Local 3D"));
    }
#endif

#if (defined _MSC_VER) | (defined Q_OS_MAC)
    if (!gEarthWidget)
    {
        gEarthWidget = new QGCGoogleEarthView(this);
        addCentralWidget(gEarthWidget, tr("Google Earth"));
    }
#endif
}

void MainWindow::addTool(SubMainWindow *parent,VIEW_SECTIONS view,QDockWidget* widget, const QString& title, Qt::DockWidgetArea area)
{
    QList<QAction*> actionlist = ui.menuTools->actions();
    bool found = false;
    QAction *targetAction;
    for (int i=0;i<actionlist.size();i++)
    {
        if (actionlist[i]->text() == title)
        {
            found = true;
            targetAction = actionlist[i];
        }
    }
    if (!found)
    {
        QAction* tempAction = ui.menuTools->addAction(title);
        tempAction->setCheckable(true);
        menuToDockNameMap[tempAction] = widget->objectName();
        if (!centralWidgetToDockWidgetsMap.contains(view))
        {
            centralWidgetToDockWidgetsMap[view] = QMap<QString,QWidget*>();
        }
        centralWidgetToDockWidgetsMap[view][widget->objectName()]= widget;
        connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
        connect(widget, SIGNAL(visibilityChanged(bool)), tempAction, SLOT(setChecked(bool)));
        tempAction->setChecked(widget->isVisible());
    }
    else
    {
        if (!menuToDockNameMap.contains(targetAction))
        {
            menuToDockNameMap[targetAction] = widget->objectName();
            //menuToDockNameMap[targetAction] = title;
        }
        if (!centralWidgetToDockWidgetsMap.contains(view))
        {
            centralWidgetToDockWidgetsMap[view] = QMap<QString,QWidget*>();
        }
        centralWidgetToDockWidgetsMap[view][widget->objectName()]= widget;
        connect(widget, SIGNAL(visibilityChanged(bool)), targetAction, SLOT(setChecked(bool)));
    }
    parent->addDockWidget(area,widget);
}

QDockWidget* MainWindow::createDockWidget(QWidget *parent,QWidget *child,QString title,QString objectname,VIEW_SECTIONS view,Qt::DockWidgetArea area,int minwidth,int minheight)
{
    //if (child->objectName() == "")
    //{
    child->setObjectName(objectname);
    //}
    QDockWidget *widget = new QDockWidget(title,this);
    if (!isAdvancedMode)
    {
        if (dockWidgetTitleBarEnabled)
        {
            dockToTitleBarMap[widget] = widget->titleBarWidget();
            QLabel *label = new QLabel(this);
            label->setText(title);
            widget->setTitleBarWidget(label);
            label->installEventFilter(new DockWidgetTitleBarEventFilter());
        }
        else
        {
            dockToTitleBarMap[widget] = widget->titleBarWidget();
            widget->setTitleBarWidget(new QWidget(this));
        }
    }
    else
    {
        QLabel *label = new QLabel(this);
        label->setText(title);
        dockToTitleBarMap[widget] = label;
        label->installEventFilter(new DockWidgetTitleBarEventFilter());
        label->hide();
    }
    widget->setObjectName(child->objectName());
    widget->setWidget(child);
    if (minheight != 0 || minwidth != 0)
    {
        widget->setMinimumHeight(minheight);
        widget->setMinimumWidth(minwidth);
    }
    addTool(qobject_cast<SubMainWindow*>(parent),view,widget,title,area);

    return widget;
}
void MainWindow::loadDockWidget(QString name)
{
    if (centralWidgetToDockWidgetsMap[currentView].contains(name))
    {
        return;
    }
    if (name == "UNMANNED_SYSTEM_CONTROL_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new UASControlWidget(this),tr("Control"),"UNMANNED_SYSTEM_CONTROL_DOCKWIDGET",currentView,Qt::LeftDockWidgetArea);
    }
    else if (name == "UNMANNED_SYSTEM_LIST_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new UASListWidget(this),tr("Unmanned Systems"),"UNMANNED_SYSTEM_LIST_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "WAYPOINT_LIST_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new QGCWaypointListMulti(this),tr("Mission Plan"),"WAYPOINT_LIST_DOCKWIDGET",currentView,Qt::BottomDockWidgetArea);
    }
    else if (name == "MAVLINK_INSPECTOR_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new QGCMAVLinkInspector(mavlink,this),tr("MAVLink Inspector"),"MAVLINK_INSPECTOR_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "PARAMETER_INTERFACE_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new ParameterInterface(this),tr("Onboard Parameters"),"PARAMETER_INTERFACE_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "UAS_STATUS_DETAILS_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new UASInfoWidget(this),tr("Status Details"),"UAS_STATUS_DETAILS_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "COMMUNICATION_DEBUG_CONSOLE_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new DebugConsole(this),tr("Communication Console"),"COMMUNICATION_DEBUG_CONSOLE_DOCKWIDGET",currentView,Qt::BottomDockWidgetArea);
    }
    else if (name == "HORIZONTAL_SITUATION_INDICATOR_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new HSIDisplay(this),tr("Horizontal Situation"),"HORIZONTAL_SITUATION_INDICATOR_DOCKWIDGET",currentView,Qt::BottomDockWidgetArea);
    }
    else if (name == "HEAD_DOWN_DISPLAY_1_DOCKWIDGET")
    {
        //FIXME: memory of acceptList will never be freed again
        QStringList* acceptList = new QStringList();
        acceptList->append("-3.3,ATTITUDE.roll,rad,+3.3,s");
        acceptList->append("-3.3,ATTITUDE.pitch,deg,+3.3,s");
        acceptList->append("-3.3,ATTITUDE.yaw,deg,+3.3,s");
        HDDisplay *hddisplay = new HDDisplay(acceptList,"Flight Display",this);
        hddisplay->addSource(mavlinkDecoder);
        createDockWidget(centerStack->currentWidget(),hddisplay,tr("Flight Display"),"HEAD_DOWN_DISPLAY_1_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "HEAD_DOWN_DISPLAY_2_DOCKWIDGET")
    {
        //FIXME: memory of acceptList2 will never be freed again
        QStringList* acceptList2 = new QStringList();
        acceptList2->append("0,RAW_PRESSURE.pres_abs,hPa,65500");
        HDDisplay *hddisplay = new HDDisplay(acceptList2,"Actuator Status",this);
        hddisplay->addSource(mavlinkDecoder);
        createDockWidget(centerStack->currentWidget(),hddisplay,tr("Actuator Status"),"HEAD_DOWN_DISPLAY_2_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "Radio Control")
    {
        qDebug() << "Error loading window:" << name << "Unknown window type";
        //createDockWidget(centerStack->currentWidget(),hddisplay,tr("Actuator Status"),"HEADS_DOWN_DISPLAY_2_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "HEAD_UP_DISPLAY_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new HUD(320,240,this),tr("Head Up Display"),"HEAD_UP_DISPLAY_DOCKWIDGET",currentView,Qt::RightDockWidgetArea);
    }
    else if (name == "UAS_INFO_QUICKVIEW_DOCKWIDGET")
    {
        createDockWidget(centerStack->currentWidget(),new UASQuickView(this),tr("Quick View"),"UAS_INFO_QUICKVIEW_DOCKWIDGET",currentView,Qt::LeftDockWidgetArea);
    }
    else
    {
        if (customWidgetNameToFilenameMap.contains(name))
        {
            loadCustomWidget(customWidgetNameToFilenameMap[name],currentView);
            //customWidgetNameToFilenameMap.remove(name);
        }
        else
        {
            qDebug() << "Error loading window:" << name;
        }
    }
}

void MainWindow::showTool(bool show)
{
    //Called when a menu item is clicked on, regardless of view.

    QAction* act = qobject_cast<QAction *>(sender());
    if (menuToDockNameMap.contains(act))
    {
        QString name = menuToDockNameMap[act];
        if (centralWidgetToDockWidgetsMap.contains(currentView))
        {
            if (centralWidgetToDockWidgetsMap[currentView].contains(name))
            {
                if (show)
                {
                    centralWidgetToDockWidgetsMap[currentView][name]->show();
                }
                else
                {
                    centralWidgetToDockWidgetsMap[currentView][name]->hide();
                }
            }
            else if (show)
            {
                loadDockWidget(name);
            }
        }
    }
    //QWidget* widget = qVariantValue<QWidget *>(act->data());
    //widget->setVisible(show);
}
/*void addToolByName(QString name,SubMainWindow parent,const QString& title, Qt::DockWidgetArea area)
{
    if (name == "Control")
    {
        QDockWidget *widget = new QDockWidget(tr("Control"),this);
        dockToTitleBarMap[widget] = widget->titleBarWidget();
        widget->setObjectName("UNMANNED_SYSTEM_CONTROL_DOCKWIDGET");
        widget->setWidget(new UASControlWidget(this));
        addTool(parent,VIEW_SIMULATION,widget,tr("Control"),area);
    }
}*/
void MainWindow::addCentralWidget(QWidget* widget, const QString& title)
{
    // Check if this widget already has been added
    if (centerStack->indexOf(widget) == -1)
    {
        centerStack->addWidget(widget);

        //        QAction* tempAction = ui.menuMain->addAction(title);

        //        tempAction->setCheckable(true);
        //        QVariant var;
        //        var.setValue((QWidget*)widget);
        //        tempAction->setData(var);
        //        centerStackActionGroup->addAction(tempAction);
        //        connect(tempAction,SIGNAL(triggered()),this, SLOT(showCentralWidget()));
        //connect(widget, SIGNAL(visibilityChanged(bool)), tempAction, SLOT(setChecked(bool)));
        //        tempAction->setChecked(widget->isVisible());
    }
}


void MainWindow::showCentralWidget()
{
    QAction* act = qobject_cast<QAction *>(sender());
    QWidget* widget = qVariantValue<QWidget *>(act->data());
    centerStack->setCurrentWidget(widget);
}

void MainWindow::showHILConfigurationWidget(UASInterface* uas)
{
    // Add simulation configuration widget
    UAS* mav = dynamic_cast<UAS*>(uas);

    if (mav && !hilDocks.contains(mav->getUASID()))
    {
        QGCHilConfiguration* hconf = new QGCHilConfiguration(mav, this);
        QString hilDockName = tr("HIL Config %1").arg(uas->getUASName());
        QDockWidget* hilDock = createDockWidget(simView, hconf,hilDockName, hilDockName.toUpper().replace(" ", "_"),VIEW_SIMULATION,Qt::LeftDockWidgetArea);
        hilDocks.insert(mav->getUASID(), hilDock);

        //        if (currentView != VIEW_SIMULATION)
        //            hilDock->hide();
        //        else
        //            hilDock->show();
    }
}

void MainWindow::closeEvent(QCloseEvent *event)
{
    if (isVisible()) storeViewState();
    storeSettings();
    aboutToCloseFlag = true;
    mavlink->storeSettings();
    UASManager::instance()->storeSettings();
    QMainWindow::closeEvent(event);
}

/**
 * Connect the signals and slots of the common window widgets
 */
void MainWindow::connectCommonWidgets()
{
    if (infoDockWidget && infoDockWidget->widget())
    {
        connect(mavlink, SIGNAL(receiveLossChanged(int, float)),
                infoDockWidget->widget(), SLOT(updateSendLoss(int, float)));
    }
}

void MainWindow::createCustomWidget()
{
    //void MainWindow::createDockWidget(QWidget *parent,QWidget *child,QString title,QString objectname,VIEW_SECTIONS view,Qt::DockWidgetArea area,int minwidth,int minheight)
    //QDockWidget* dock = new QDockWidget("Unnamed Tool", this);

    if (QGCToolWidget::instances()->size() < 2)
    {
        // This is the first widget
        ui.menuTools->addSeparator();
    }
    QGCToolWidget* tool = new QGCToolWidget("Unnamed Tool " + QString::number(ui.menuTools->actions().size()));
    createDockWidget(centerStack->currentWidget(),tool,"Unnamed Tool " + QString::number(ui.menuTools->actions().size()),"UNNAMED_TOOL_" + QString::number(ui.menuTools->actions().size())+"DOCK",currentView,Qt::BottomDockWidgetArea);
    //tool->setObjectName("UNNAMED_TOOL_" + QString::number(ui.menuTools->actions().size()));
    QSettings settings;
    settings.beginGroup("QGC_MAINWINDOW");
    settings.setValue(QString("TOOL_PARENT_") + tool->objectName(),currentView);
    settings.endGroup();



    //connect(tool, SIGNAL(destroyed()), dock, SLOT(deleteLater()));
    //dock->setWidget(tool);

    //QAction* showAction = new QAction(tool->getTitle(), this);
    //showAction->setCheckable(true);
    //connect(dock, SIGNAL(visibilityChanged(bool)), showAction, SLOT(setChecked(bool)));
    //connect(showAction, SIGNAL(triggered(bool)), dock, SLOT(setVisible(bool)));
    //tool->setMainMenuAction(showAction);
    //ui.menuTools->addAction(showAction);
    //this->addDockWidget(Qt::BottomDockWidgetArea, dock);
    //dock->setVisible(true);
}

void MainWindow::loadCustomWidget()
{
    QString widgetFileExtension(".qgw");
    QString fileName = QFileDialog::getOpenFileName(this, tr("Specify Widget File Name"), QDesktopServices::storageLocation(QDesktopServices::DesktopLocation), tr("QGroundControl Widget (*%1);;").arg(widgetFileExtension));
    if (fileName != "") loadCustomWidget(fileName);
}
void MainWindow::loadCustomWidget(const QString& fileName, int view)
{
    QGCToolWidget* tool = new QGCToolWidget("", this);
    if (tool->loadSettings(fileName, true))
    {
        qDebug() << "Loading custom tool:" << tool->getTitle() << tool->objectName();
        switch ((VIEW_SECTIONS)view)
        {
        case VIEW_ENGINEER:
            createDockWidget(engineeringView,tool,tool->getTitle(),tool->objectName()+"DOCK",(VIEW_SECTIONS)view,Qt::LeftDockWidgetArea);
            break;
        case VIEW_FLIGHT:
            createDockWidget(pilotView,tool,tool->getTitle(),tool->objectName()+"DOCK",(VIEW_SECTIONS)view,Qt::LeftDockWidgetArea);
            break;
        case VIEW_SIMULATION:
            createDockWidget(simView,tool,tool->getTitle(),tool->objectName()+"DOCK",(VIEW_SECTIONS)view,Qt::LeftDockWidgetArea);
            break;
        case VIEW_MISSION:
            createDockWidget(plannerView,tool,tool->getTitle(),tool->objectName()+"DOCK",(VIEW_SECTIONS)view,Qt::LeftDockWidgetArea);
            break;
        default:
        {
            //Delete tool, create menu item to tie it to.
            customWidgetNameToFilenameMap[tool->objectName()+"DOCK"] = fileName;
            QAction* tempAction = ui.menuTools->addAction(tool->getTitle());
            menuToDockNameMap[tempAction] = tool->objectName()+"DOCK";
            tempAction->setCheckable(true);
            connect(tempAction,SIGNAL(triggered(bool)),this, SLOT(showTool(bool)));
            tool->deleteLater();
            //createDockWidget(centerStack->currentWidget(),tool,tool->getTitle(),tool->objectName()+"DOCK",(VIEW_SECTIONS)view,Qt::LeftDockWidgetArea);
        }
            break;
        }
    }
    else
    {
        return;
    }
}