Add new SettingsGroup support

qgroundcontrol.pro

@@ -291,6 +291,7 @@ INCLUDEPATH += \
     src/QmlControls \
     src/QtLocationPlugin \
     src/QtLocationPlugin/QMLControl \
+    src/Settings \
     src/VehicleSetup \
     src/ViewWidgets \
     src/audio \
@@ -474,7 +475,12 @@ HEADERS += \
     src/QmlControls/RCChannelMonitorController.h \
     src/QmlControls/ScreenToolsController.h \
     src/QtLocationPlugin/QMLControl/QGCMapEngineManager.h \
-    src/SettingsManager.h \
+    src/Settings/AppSettings.h \
+    src/Settings/AutoConnectSettings.h \
+    src/Settings/SettingsGroup.h \
+    src/Settings/SettingsManager.h \
+    src/Settings/UnitsSettings.h \
+    src/Settings/VideoSettings.h \
     src/Vehicle/MAVLinkLogManager.h \
     src/VehicleSetup/JoystickConfigController.h \
     src/audio/QGCAudioWorker.h \
@@ -636,7 +642,12 @@ SOURCES += \
     src/QmlControls/RCChannelMonitorController.cc \
     src/QmlControls/ScreenToolsController.cc \
     src/QtLocationPlugin/QMLControl/QGCMapEngineManager.cc \
-    src/SettingsManager.cc \
+    src/Settings/AppSettings.cc \
+    src/Settings/AutoConnectSettings.cc \
+    src/Settings/SettingsGroup.cc \
+    src/Settings/SettingsManager.cc \
+    src/Settings/UnitsSettings.cc \
+    src/Settings/VideoSettings.cc \
     src/Vehicle/MAVLinkLogManager.cc \
     src/VehicleSetup/JoystickConfigController.cc \
     src/audio/QGCAudioWorker.cpp \

qgroundcontrol.qrc

@@ -178,7 +178,10 @@
         <file alias="Vehicle/GPSFact.json">src/Vehicle/GPSFact.json</file>
         <file alias="Vehicle/WindFact.json">src/Vehicle/WindFact.json</file>
         <file alias="Vehicle/VibrationFact.json">src/Vehicle/VibrationFact.json</file>
-        <file alias="SettingsManager.json">src/SettingsManager.json</file>
+        <file alias="SettingsGroup.app.json">src/Settings/SettingsGroup.app.json</file>
+        <file alias="SettingsGroup.autoConnect.json">src/Settings/SettingsGroup.autoConnect.json</file>
+        <file alias="SettingsGroup.units.json">src/Settings/SettingsGroup.units.json</file>
+        <file alias="SettingsGroup.video.json">src/Settings/SettingsGroup.video.json</file>
         <file alias="RallyPoint.FactMetaData.json">src/MissionManager/RallyPoint.FactMetaData.json</file>
         <file alias="FWLandingPattern.FactMetaData.json">src/MissionManager/FWLandingPattern.FactMetaData.json</file>
         <file alias="Survey.FactMetaData.json">src/MissionManager/Survey.FactMetaData.json</file>

src/FactSystem/FactMetaData.cc

@@ -40,21 +40,21 @@ const FactMetaData::BuiltInTranslation_s FactMetaData::_rgBuiltInTranslations[]
 
 // Translations driven by app settings
 const FactMetaData::AppSettingsTranslation_s FactMetaData::_rgAppSettingsTranslations[] = {
-    { "m",      "m",        false,  SettingsManager::DistanceUnitsMeters,           FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
-    { "meters", "meters",   false,  SettingsManager::DistanceUnitsMeters,           FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
-    { "m/s",    "m/s",      true,   SettingsManager::SpeedUnitsMetersPerSecond,     FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
-    { "m^2",    "m^2",      false,  SettingsManager::AreaUnitsSquareMeters,         FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
-    { "m",      "ft",       false,  SettingsManager::DistanceUnitsFeet,             FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
-    { "meters", "ft",       false,  SettingsManager::DistanceUnitsFeet,             FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
-    { "m^2",    "km^2",     false,  SettingsManager::AreaUnitsSquareKilometers,     FactMetaData::_squareMetersToSquareKilometers,      FactMetaData::_squareKilometersToSquareMeters },
-    { "m^2",    "ha",       false,  SettingsManager::AreaUnitsHectares,             FactMetaData::_squareMetersToHectares,              FactMetaData::_hectaresToSquareMeters },
-    { "m^2",    "ft^2",     false,  SettingsManager::AreaUnitsSquareFeet,           FactMetaData::_squareMetersToSquareFeet,            FactMetaData::_squareFeetToSquareMeters },
-    { "m^2",    "ac",       false,  SettingsManager::AreaUnitsAcres,                FactMetaData::_squareMetersToAcres,                 FactMetaData::_acresToSquareMeters },
-    { "m^2",    "mi^2",     false,  SettingsManager::AreaUnitsSquareMiles,          FactMetaData::_squareMetersToSquareMiles,           FactMetaData::_squareMilesToSquareMeters },
-    { "m/s",    "ft/s",     true,   SettingsManager::SpeedUnitsFeetPerSecond,       FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
-    { "m/s",    "mph",      true,   SettingsManager::SpeedUnitsMilesPerHour,        FactMetaData::_metersPerSecondToMilesPerHour,       FactMetaData::_milesPerHourToMetersPerSecond },
-    { "m/s",    "km/h",     true,   SettingsManager::SpeedUnitsKilometersPerHour,   FactMetaData::_metersPerSecondToKilometersPerHour,  FactMetaData::_kilometersPerHourToMetersPerSecond },
-    { "m/s",    "kn",       true,   SettingsManager::SpeedUnitsKnots,               FactMetaData::_metersPerSecondToKnots,              FactMetaData::_knotsToMetersPerSecond },
+    { "m",      "m",        false,  UnitsSettings::DistanceUnitsMeters,         FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
+    { "meters", "meters",   false,  UnitsSettings::DistanceUnitsMeters,         FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
+    { "m/s",    "m/s",      true,   UnitsSettings::SpeedUnitsMetersPerSecond,   FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
+    { "m^2",    "m^2",      false,  UnitsSettings::AreaUnitsSquareMeters,       FactMetaData::_defaultTranslator,                   FactMetaData::_defaultTranslator },
+    { "m",      "ft",       false,  UnitsSettings::DistanceUnitsFeet,           FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
+    { "meters", "ft",       false,  UnitsSettings::DistanceUnitsFeet,           FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
+    { "m^2",    "km^2",     false,  UnitsSettings::AreaUnitsSquareKilometers,   FactMetaData::_squareMetersToSquareKilometers,      FactMetaData::_squareKilometersToSquareMeters },
+    { "m^2",    "ha",       false,  UnitsSettings::AreaUnitsHectares,           FactMetaData::_squareMetersToHectares,              FactMetaData::_hectaresToSquareMeters },
+    { "m^2",    "ft^2",     false,  UnitsSettings::AreaUnitsSquareFeet,         FactMetaData::_squareMetersToSquareFeet,            FactMetaData::_squareFeetToSquareMeters },
+    { "m^2",    "ac",       false,  UnitsSettings::AreaUnitsAcres,              FactMetaData::_squareMetersToAcres,                 FactMetaData::_acresToSquareMeters },
+    { "m^2",    "mi^2",     false,  UnitsSettings::AreaUnitsSquareMiles,        FactMetaData::_squareMetersToSquareMiles,           FactMetaData::_squareMilesToSquareMeters },
+    { "m/s",    "ft/s",     true,   UnitsSettings::SpeedUnitsFeetPerSecond,     FactMetaData::_metersToFeet,                        FactMetaData::_feetToMeters },
+    { "m/s",    "mph",      true,   UnitsSettings::SpeedUnitsMilesPerHour,      FactMetaData::_metersPerSecondToMilesPerHour,       FactMetaData::_milesPerHourToMetersPerSecond },
+    { "m/s",    "km/h",     true,   UnitsSettings::SpeedUnitsKilometersPerHour, FactMetaData::_metersPerSecondToKilometersPerHour,  FactMetaData::_kilometersPerHourToMetersPerSecond },
+    { "m/s",    "kn",       true,   UnitsSettings::SpeedUnitsKnots,             FactMetaData::_metersPerSecondToKnots,              FactMetaData::_knotsToMetersPerSecond },
 };
 
 const char* FactMetaData::_decimalPlacesJsonKey =       "decimalPlaces";
@@ -635,8 +635,8 @@ void FactMetaData::_setAppSettingsTranslators(void)
             const AppSettingsTranslation_s* pAppSettingsTranslation = &_rgAppSettingsTranslations[i];
 
             if (pAppSettingsTranslation->rawUnits == _rawUnits.toLower() &&
-                    ((pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->speedUnits()->rawValue().toUInt()) ||
-                     (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->distanceUnits()->rawValue().toUInt()))) {
+                    ((pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->unitsSettings()->speedUnits()->rawValue().toUInt()) ||
+                     (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->unitsSettings()->distanceUnits()->rawValue().toUInt()))) {
                 _cookedUnits = pAppSettingsTranslation->cookedUnits;
                 setTranslators(pAppSettingsTranslation->rawTranslator, pAppSettingsTranslation->cookedTranslator);
                 return;
@@ -651,7 +651,7 @@ const FactMetaData::AppSettingsTranslation_s* FactMetaData::_findAppSettingsDist
         const AppSettingsTranslation_s* pAppSettingsTranslation = &_rgAppSettingsTranslations[i];
 
         if (pAppSettingsTranslation->rawUnits == rawUnits &&
-                (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->distanceUnits()->rawValue().toUInt())) {
+                (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->unitsSettings()->distanceUnits()->rawValue().toUInt())) {
             return pAppSettingsTranslation;
         }
     }
@@ -665,7 +665,7 @@ const FactMetaData::AppSettingsTranslation_s* FactMetaData::_findAppSettingsArea
         const AppSettingsTranslation_s* pAppSettingsTranslation = &_rgAppSettingsTranslations[i];
 
         if (pAppSettingsTranslation->rawUnits == rawUnits &&
-                (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->areaUnits()->rawValue().toUInt())
+                (!pAppSettingsTranslation->speed && pAppSettingsTranslation->speedOrDistanceUnits == qgcApp()->toolbox()->settingsManager()->unitsSettings()->areaUnits()->rawValue().toUInt())
                 ) {
             return pAppSettingsTranslation;
         }

src/FlightMap/MapScale.qml

@@ -115,7 +115,7 @@ Item {
         var rightCoord = mapControl.toCoordinate(Qt.point(scaleLinePixelLength, scale.y))
         var scaleLineMeters = Math.round(leftCoord.distanceTo(rightCoord))
 
-        if (QGroundControl.settingsManager.distanceUnits.value == QGroundControl.settingsManager.DistanceUnitsFeet) {
+        if (QGroundControl.settingsManager.unitsSettings.distanceUnits.value == UnitsSettings.DistanceUnitsFeet) {
             calculateFeetRatio(scaleLineMeters, scaleLinePixelLength)
         } else {
             calculateMetersRatio(scaleLineMeters, scaleLinePixelLength)

src/GAudioOutput.cc

@@ -56,7 +56,7 @@ GAudioOutput::~GAudioOutput()
 
 bool GAudioOutput::say(const QString& inText)
 {
-    bool muted = qgcApp()->toolbox()->settingsManager()->audioMuted()->rawValue().toBool();
+    bool muted = qgcApp()->toolbox()->settingsManager()->appSettings()->audioMuted()->rawValue().toBool();
     muted |= qgcApp()->runningUnitTests();
     if (!muted && !qgcApp()->runningUnitTests()) {
 #if defined __android__

src/MissionEditor/MissionSettingsEditor.qml

@@ -122,7 +122,7 @@ Rectangle {
                             Layout.fillWidth: true
                         }
                         FactComboBox {
-                            fact:               QGroundControl.settingsManager.offlineEditingFirmwareType
+                            fact:               QGroundControl.settingsManager.appSettings.offlineEditingFirmwareType
                             indexModel:         false
                             visible:            _showOfflineEditingCombos
                             Layout.preferredWidth:  _fieldWidth
@@ -146,7 +146,7 @@ Rectangle {
                         }
                         FactComboBox {
                             id:                 offlineVehicleCombo
-                            fact:               QGroundControl.settingsManager.offlineEditingVehicleType
+                            fact:               QGroundControl.settingsManager.appSettings.offlineEditingVehicleType
                             indexModel:         false
                             visible:            _showOfflineEditingCombos
                             Layout.preferredWidth:  _fieldWidth
@@ -170,7 +170,7 @@ Rectangle {
                             Layout.fillWidth: true
                         }
                         FactTextField {
-                            fact:               QGroundControl.settingsManager.offlineEditingCruiseSpeed
+                            fact:               QGroundControl.settingsManager.appSettings.offlineEditingCruiseSpeed
                             visible:            _showCruiseSpeed
                             Layout.preferredWidth:  _fieldWidth
                         }
@@ -182,7 +182,7 @@ Rectangle {
                             Layout.fillWidth: true
                         }
                         FactTextField {
-                            fact:               QGroundControl.settingsManager.offlineEditingHoverSpeed
+                            fact:               QGroundControl.settingsManager.appSettings.offlineEditingHoverSpeed
                             visible:            _showHoverSpeed
                             Layout.preferredWidth:  _fieldWidth
                         }
@@ -196,7 +196,7 @@ Rectangle {
                         QGCLabel { text: qsTr("Hover speed:"); Layout.fillWidth: true }
                         FactTextField {
                             Layout.preferredWidth:  _fieldWidth
-                            fact:       QGroundControl.settingsManager.offlineEditingHoverSpeed
+                            fact:       QGroundControl.settingsManager.appSettings.offlineEditingHoverSpeed
                         }
                     }
 

src/MissionManager/MissionCommandTree.cc

@@ -253,7 +253,7 @@ void MissionCommandTree::_baseVehicleInfo(Vehicle* vehicle, MAV_AUTOPILOT& baseF
         baseVehicleType = _baseVehicleType(vehicle->vehicleType());
     } else {
         // No Vehicle means offline editing
-        baseFirmwareType = _baseFirmwareType((MAV_AUTOPILOT)_settingsManager->offlineEditingFirmwareType()->rawValue().toInt());
-        baseVehicleType = _baseVehicleType((MAV_TYPE)_settingsManager->offlineEditingVehicleType()->rawValue().toInt());
+        baseFirmwareType = _baseFirmwareType((MAV_AUTOPILOT)_settingsManager->appSettings()->offlineEditingFirmwareType()->rawValue().toInt());
+        baseVehicleType = _baseVehicleType((MAV_TYPE)_settingsManager->appSettings()->offlineEditingVehicleType()->rawValue().toInt());
     }
 }

src/MissionManager/MissionController.cc

@@ -437,13 +437,13 @@ bool MissionController::_loadJsonMissionFileV2(Vehicle* vehicle, const QJsonObje
         return false;
     }
     if (json.contains(_jsonVehicleTypeKey) && vehicle->isOfflineEditingVehicle()) {
-        settingsManager->offlineEditingVehicleType()->setRawValue(json[_jsonVehicleTypeKey].toDouble());
+        settingsManager->appSettings()->offlineEditingVehicleType()->setRawValue(json[_jsonVehicleTypeKey].toDouble());
     }
     if (json.contains(_jsonCruiseSpeedKey)) {
-        settingsManager->offlineEditingCruiseSpeed()->setRawValue(json[_jsonCruiseSpeedKey].toDouble());
+        settingsManager->appSettings()->offlineEditingCruiseSpeed()->setRawValue(json[_jsonCruiseSpeedKey].toDouble());
     }
     if (json.contains(_jsonHoverSpeedKey)) {
-        settingsManager->offlineEditingHoverSpeed()->setRawValue(json[_jsonHoverSpeedKey].toDouble());
+        settingsManager->appSettings()->offlineEditingHoverSpeed()->setRawValue(json[_jsonHoverSpeedKey].toDouble());
     }
 
     SimpleMissionItem* homeItem = new SimpleMissionItem(vehicle, visualItems);

src/MissionManager/RallyPointController.cc

@@ -268,7 +268,7 @@ void RallyPointController::addPoint(QGeoCoordinate point)
     if (_points.count()) {
         defaultAlt = qobject_cast<RallyPoint*>(_points[_points.count() - 1])->coordinate().altitude();
     } else {
-        defaultAlt = qgcApp()->toolbox()->settingsManager()->defaultMissionItemAltitude()->rawValue().toDouble();
+        defaultAlt = qgcApp()->toolbox()->settingsManager()->appSettings()->defaultMissionItemAltitude()->rawValue().toDouble();
     }
     point.setAltitude(defaultAlt);
     RallyPoint* newPoint = new RallyPoint(point, this);

src/MissionManager/SimpleMissionItem.cc

@@ -530,7 +530,7 @@ void SimpleMissionItem::_syncFrameToAltitudeRelativeToHome(void)
 void SimpleMissionItem::setDefaultsForCommand(void)
 {
     // We set these global defaults first, then if there are param defaults they will get reset
-    _missionItem.setParam7(qgcApp()->toolbox()->settingsManager()->defaultMissionItemAltitude()->rawValue().toDouble());
+    _missionItem.setParam7(qgcApp()->toolbox()->settingsManager()->appSettings()->defaultMissionItemAltitude()->rawValue().toDouble());
 
     MAV_CMD command = (MAV_CMD)this->command();
     const MissionCommandUIInfo* uiInfo = _commandTree->getUIInfo(_vehicle, command);

src/MissionManager/SimpleMissionItemTest.cc

@@ -141,7 +141,7 @@ void SimpleMissionItemTest::_testDefaultValues(void)
 
     item.missionItem().setCommand(MAV_CMD_NAV_WAYPOINT);
     item.missionItem().setFrame(MAV_FRAME_GLOBAL_RELATIVE_ALT);
-    QCOMPARE(item.missionItem().param7(), qgcApp()->toolbox()->settingsManager()->defaultMissionItemAltitude()->rawValue().toDouble());
+    QCOMPARE(item.missionItem().param7(), qgcApp()->toolbox()->settingsManager()->appSettings()->defaultMissionItemAltitude()->rawValue().toDouble());
 }
 
 void SimpleMissionItemTest::_testSignals(void)
@@ -226,7 +226,7 @@ void SimpleMissionItemTest::_testSignals(void)
     //      dirtyChanged
 
     // Check that changing to the same coordinate does not signal
-    simpleMissionItem.setCoordinate(QGeoCoordinate(50.1234567, 60.1234567, qgcApp()->toolbox()->settingsManager()->defaultMissionItemAltitude()->rawValue().toDouble()));
+    simpleMissionItem.setCoordinate(QGeoCoordinate(50.1234567, 60.1234567, qgcApp()->toolbox()->settingsManager()->appSettings()->defaultMissionItemAltitude()->rawValue().toDouble()));
     QVERIFY(multiSpy->checkNoSignals());
 
     // Check that actually changing coordinate signals correctly

src/Settings/AppSettings.cc

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#include "AppSettings.h"
+
+#include <QQmlEngine>
+
+const char* AppSettings::appSettingsGroupName =                         "app";
+const char* AppSettings::offlineEditingFirmwareTypeSettingsName =       "OfflineEditingFirmwareType";
+const char* AppSettings::offlineEditingVehicleTypeSettingsName =        "OfflineEditingVehicleType";
+const char* AppSettings::offlineEditingCruiseSpeedSettingsName =        "OfflineEditingCruiseSpeed";
+const char* AppSettings::offlineEditingHoverSpeedSettingsName =         "OfflineEditingHoverSpeed";
+const char* AppSettings::batteryPercentRemainingAnnounceSettingsName =  "batteryPercentRemainingAnnounce";
+const char* AppSettings::defaultMissionItemAltitudeSettingsName =       "DefaultMissionItemAltitude";
+const char* AppSettings::missionAutoLoadDirSettingsName =               "MissionAutoLoadDir";
+const char* AppSettings::promptFlightTelemetrySaveName =                "PromptFLightDataSave";
+const char* AppSettings::promptFlightTelemetrySaveNotArmedName =        "PromptFLightDataSaveNotArmed";
+const char* AppSettings::audioMutedName =                               "AudioMuted";
+
+AppSettings::AppSettings(QObject* parent)
+    : SettingsGroup(appSettingsGroupName, QString() /* root settings group */, parent)
+    , _offlineEditingFirmwareTypeFact(NULL)
+    , _offlineEditingVehicleTypeFact(NULL)
+    , _offlineEditingCruiseSpeedFact(NULL)
+    , _offlineEditingHoverSpeedFact(NULL)
+    , _batteryPercentRemainingAnnounceFact(NULL)
+    , _defaultMissionItemAltitudeFact(NULL)
+    , _missionAutoLoadDirFact(NULL)
+    , _promptFlightTelemetrySave(NULL)
+    , _promptFlightTelemetrySaveNotArmed(NULL)
+    , _audioMuted(NULL)
+{
+    QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
+    qmlRegisterUncreatableType<AppSettings>("QGroundControl.SettingsManager", 1, 0, "AppSettings", "Reference only");
+}
+
+Fact* AppSettings::offlineEditingFirmwareType(void)
+{
+    if (!_offlineEditingFirmwareTypeFact) {
+        _offlineEditingFirmwareTypeFact = _createSettingsFact(offlineEditingFirmwareTypeSettingsName);
+    }
+
+    return _offlineEditingFirmwareTypeFact;
+}
+
+Fact* AppSettings::offlineEditingVehicleType(void)
+{
+    if (!_offlineEditingVehicleTypeFact) {
+        _offlineEditingVehicleTypeFact = _createSettingsFact(offlineEditingVehicleTypeSettingsName);
+    }
+
+    return _offlineEditingVehicleTypeFact;
+}
+
+Fact* AppSettings::offlineEditingCruiseSpeed(void)
+{
+    if (!_offlineEditingCruiseSpeedFact) {
+        _offlineEditingCruiseSpeedFact = _createSettingsFact(offlineEditingCruiseSpeedSettingsName);
+    }
+    return _offlineEditingCruiseSpeedFact;
+}
+
+Fact* AppSettings::offlineEditingHoverSpeed(void)
+{
+    if (!_offlineEditingHoverSpeedFact) {
+        _offlineEditingHoverSpeedFact = _createSettingsFact(offlineEditingHoverSpeedSettingsName);
+    }
+    return _offlineEditingHoverSpeedFact;
+}
+
+Fact* AppSettings::batteryPercentRemainingAnnounce(void)
+{
+    if (!_batteryPercentRemainingAnnounceFact) {
+        _batteryPercentRemainingAnnounceFact = _createSettingsFact(batteryPercentRemainingAnnounceSettingsName);
+    }
+
+    return _batteryPercentRemainingAnnounceFact;
+}
+
+Fact* AppSettings::defaultMissionItemAltitude(void)
+{
+    if (!_defaultMissionItemAltitudeFact) {
+        _defaultMissionItemAltitudeFact = _createSettingsFact(defaultMissionItemAltitudeSettingsName);
+    }
+
+    return _defaultMissionItemAltitudeFact;
+}
+
+Fact* AppSettings::missionAutoLoadDir(void)
+{
+    if (!_missionAutoLoadDirFact) {
+        _missionAutoLoadDirFact = _createSettingsFact(missionAutoLoadDirSettingsName);
+    }
+
+    return _missionAutoLoadDirFact;
+}
+
+Fact* AppSettings::promptFlightTelemetrySave(void)
+{
+    if (!_promptFlightTelemetrySave) {
+        _promptFlightTelemetrySave = _createSettingsFact(promptFlightTelemetrySaveName);
+    }
+
+    return _promptFlightTelemetrySave;
+}
+
+Fact* AppSettings::promptFlightTelemetrySaveNotArmed(void)
+{
+    if (!_promptFlightTelemetrySaveNotArmed) {
+        _promptFlightTelemetrySaveNotArmed = _createSettingsFact(promptFlightTelemetrySaveNotArmedName);
+    }
+
+    return _promptFlightTelemetrySaveNotArmed;
+}
+
+Fact* AppSettings::audioMuted(void)
+{
+    if (!_audioMuted) {
+        _audioMuted = _createSettingsFact(audioMutedName);
+    }
+
+    return _audioMuted;
+}

src/SettingsManager.h → src/Settings/AppSettings.h

@@ -7,60 +7,22 @@
  *
  ****************************************************************************/
 
+#ifndef AppSettings_H
+#define AppSettings_H
 
-#ifndef SettingsManager_H
-#define SettingsManager_H
+#include "SettingsGroup.h"
 
-#include "QGCLoggingCategory.h"
-#include "Joystick.h"
-#include "MultiVehicleManager.h"
-#include "QGCToolbox.h"
-
-#include <QVariantList>
-
-Q_DECLARE_LOGGING_CATEGORY(SettingsManagerLog)
-
-/// Provides access to all app settings
-class SettingsManager : public QGCTool
+class AppSettings : public SettingsGroup
 {
     Q_OBJECT
     
 public:
-    SettingsManager(QGCApplication* app);
-
-    enum DistanceUnits {
-        DistanceUnitsFeet = 0,
-        DistanceUnitsMeters
-    };
-
-    enum AreaUnits {
-        AreaUnitsSquareFeet = 0,
-        AreaUnitsSquareMeters,
-        AreaUnitsSquareKilometers,
-        AreaUnitsHectares,
-        AreaUnitsAcres,
-        AreaUnitsSquareMiles,
-    };
-
-    enum SpeedUnits {
-        SpeedUnitsFeetPerSecond = 0,
-        SpeedUnitsMetersPerSecond,
-        SpeedUnitsMilesPerHour,
-        SpeedUnitsKilometersPerHour,
-        SpeedUnitsKnots,
-    };
-
-    Q_ENUMS(DistanceUnits)
-    Q_ENUMS(AreaUnits)
-    Q_ENUMS(SpeedUnits)
+    AppSettings(QObject* parent = NULL);
 
     Q_PROPERTY(Fact* offlineEditingFirmwareType         READ offlineEditingFirmwareType         CONSTANT)
     Q_PROPERTY(Fact* offlineEditingVehicleType          READ offlineEditingVehicleType          CONSTANT)
     Q_PROPERTY(Fact* offlineEditingCruiseSpeed          READ offlineEditingCruiseSpeed          CONSTANT)
     Q_PROPERTY(Fact* offlineEditingHoverSpeed           READ offlineEditingHoverSpeed           CONSTANT)
-    Q_PROPERTY(Fact* distanceUnits                      READ distanceUnits                      CONSTANT)
-    Q_PROPERTY(Fact* areaUnits                          READ areaUnits                          CONSTANT)
-    Q_PROPERTY(Fact* speedUnits                         READ speedUnits                         CONSTANT)
     Q_PROPERTY(Fact* batteryPercentRemainingAnnounce    READ batteryPercentRemainingAnnounce    CONSTANT)
     Q_PROPERTY(Fact* defaultMissionItemAltitude         READ defaultMissionItemAltitude         CONSTANT)
     Q_PROPERTY(Fact* missionAutoLoadDir                 READ missionAutoLoadDir                 CONSTANT)
@@ -72,9 +34,6 @@ public:
     Fact* offlineEditingVehicleType         (void);
     Fact* offlineEditingCruiseSpeed         (void);
     Fact* offlineEditingHoverSpeed          (void);
-    Fact* distanceUnits                     (void);
-    Fact* areaUnits                         (void);
-    Fact* speedUnits                        (void);
     Fact* batteryPercentRemainingAnnounce   (void);
     Fact* defaultMissionItemAltitude        (void);
     Fact* missionAutoLoadDir                (void);
@@ -82,16 +41,12 @@ public:
     Fact* promptFlightTelemetrySaveNotArmed (void);
     Fact* audioMuted (void);
 
-    // Override from QGCTool
-    virtual void setToolbox(QGCToolbox *toolbox);
+    static const char* appSettingsGroupName;
 
     static const char* offlineEditingFirmwareTypeSettingsName;
     static const char* offlineEditingVehicleTypeSettingsName;
     static const char* offlineEditingCruiseSpeedSettingsName;
     static const char* offlineEditingHoverSpeedSettingsName;
-    static const char* distanceUnitsSettingsName;
-    static const char* areaUnitsSettingsName;
-    static const char* speedUnitsSettingsName;
     static const char* batteryPercentRemainingAnnounceSettingsName;
     static const char* defaultMissionItemAltitudeSettingsName;
     static const char* missionAutoLoadDirSettingsName;
@@ -100,17 +55,10 @@ public:
     static const char* audioMutedName;
 
 private:
-    SettingsFact* _createSettingsFact(const QString& name);
-
-    QMap<QString, FactMetaData*> _nameToMetaDataMap;
-
     SettingsFact* _offlineEditingFirmwareTypeFact;
     SettingsFact* _offlineEditingVehicleTypeFact;
     SettingsFact* _offlineEditingCruiseSpeedFact;
     SettingsFact* _offlineEditingHoverSpeedFact;
-    SettingsFact* _distanceUnitsFact;
-    SettingsFact* _areaUnitsFact;
-    SettingsFact* _speedUnitsFact;
     SettingsFact* _batteryPercentRemainingAnnounceFact;
     SettingsFact* _defaultMissionItemAltitudeFact;
     SettingsFact* _missionAutoLoadDirFact;

src/Settings/AutoConnectSettings.cc

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#include "AutoConnectSettings.h"
+
+#include <QQmlEngine>
+
+const char* AutoConnectSettings::autoConnectSettingsGroupName = "autoConnect";
+
+AutoConnectSettings::AutoConnectSettings(QObject* parent)
+    : SettingsGroup(autoConnectSettingsGroupName, QString() /* root settings group */, parent)
+{
+    QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
+    qmlRegisterUncreatableType<AutoConnectSettings>("QGroundControl.SettingsManager", 1, 0, "AutoConnectSettings", "Reference only");
+}

src/Settings/AutoConnectSettings.h

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#ifndef AutoConnectSettings_H
+#define AutoConnectSettings_H
+
+#include "SettingsGroup.h"
+
+class AutoConnectSettings : public SettingsGroup
+{
+    Q_OBJECT
+    
+public:
+    AutoConnectSettings(QObject* parent = NULL);
+
+    static const char* autoConnectSettingsGroupName;
+
+private:
+};
+
+#endif

src/Settings/SettingsGroup.autoConnect.json

+[
+]

src/Settings/SettingsGroup.cc

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#include "SettingsGroup.h"
+#include "QGCCorePlugin.h"
+#include "QGCApplication.h"
+
+SettingsGroup::SettingsGroup(const QString& name, const QString& settingsGroup, QObject* parent)
+    : QObject(parent)
+    , _name(name)
+    , _settingsGroup(settingsGroup)
+    , _visible(qgcApp()->toolbox()->corePlugin()->overrideSettingsGroupVisibility(name))
+{
+    QString jsonNameFormat(":/json/SettingsGroup.%1.json");
+
+    _nameToMetaDataMap = FactMetaData::createMapFromJsonFile(jsonNameFormat.arg(name), this);
+}
+
+SettingsFact* SettingsGroup::_createSettingsFact(const QString& name)
+{
+    return new SettingsFact(_settingsGroup, _nameToMetaDataMap[name], this);
+}
+

src/Settings/SettingsGroup.h

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#ifndef SettingsGroup_H
+#define SettingsGroup_H
+
+#include "QGCLoggingCategory.h"
+#include "Joystick.h"
+#include "MultiVehicleManager.h"
+#include "QGCToolbox.h"
+
+#include <QVariantList>
+
+/// Provides access to group of settings. The group is named and has a visible property associated with which can control whether the group
+/// is shows in the ui.
+class SettingsGroup : public QObject
+{
+    Q_OBJECT
+    
+public:
+    /// @param name Name for this Settings group
+    /// @param settingsGroup Group to place settings in for QSettings::setGroup
+    SettingsGroup(const QString& name, const QString& settingsGroup, QObject* parent = NULL);
+
+    Q_PROPERTY(bool visible MEMBER _visible CONSTANT)
+
+protected:
+    SettingsFact* _createSettingsFact(const QString& name);
+
+    QString _name;
+    QString _settingsGroup;
+    bool    _visible;
+
+    QMap<QString, FactMetaData*> _nameToMetaDataMap;
+};
+
+#endif

src/Settings/SettingsGroup.units.json

+[
+]

src/Settings/SettingsGroup.video.json

+[
+]

src/Settings/SettingsManager.cc

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#include "SettingsManager.h"
+
+#include <QQmlEngine>
+
+SettingsManager::SettingsManager(QGCApplication* app)
+    : QGCTool(app)
+    , _appSettings(NULL)
+    , _unitsSettings(NULL)
+    , _autoConnectSettings(NULL)
+    , _videoSettings(NULL)
+{
+
+}
+
+void SettingsManager::setToolbox(QGCToolbox *toolbox)
+{
+    QGCTool::setToolbox(toolbox);
+    QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
+    qmlRegisterUncreatableType<SettingsManager>("QGroundControl.SettingsManager", 1, 0, "SettingsManager", "Reference only");
+
+    _unitsSettings =        new UnitsSettings(this);        // Must be first since AppSettings references it
+    _appSettings =          new AppSettings(this);
+    _autoConnectSettings =  new AutoConnectSettings(this);
+    _videoSettings =        new VideoSettings(this);
+}

src/Settings/SettingsManager.h

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#ifndef SettingsManager_H
+#define SettingsManager_H
+
+#include "QGCLoggingCategory.h"
+#include "Joystick.h"
+#include "MultiVehicleManager.h"
+#include "QGCToolbox.h"
+#include "AppSettings.h"
+#include "UnitsSettings.h"
+#include "AutoConnectSettings.h"
+#include "VideoSettings.h"
+
+#include <QVariantList>
+
+/// Provides access to all app settings
+class SettingsManager : public QGCTool
+{
+    Q_OBJECT
+    
+public:
+    SettingsManager(QGCApplication* app);
+
+    Q_PROPERTY(QObject* appSettings         READ appSettings            CONSTANT)
+    Q_PROPERTY(QObject* unitsSettings       READ unitsSettings          CONSTANT)
+    Q_PROPERTY(QObject* autoConnectSettings READ autoConnectSettings    CONSTANT)
+    Q_PROPERTY(QObject* videoSettings       READ videoSettings          CONSTANT)
+
+    // Override from QGCTool
+    virtual void setToolbox(QGCToolbox *toolbox);
+
+    AppSettings*            appSettings         (void) { return _appSettings; }
+    UnitsSettings*          unitsSettings       (void) { return _unitsSettings; }
+    AutoConnectSettings*    autoConnectSettings (void) { return _autoConnectSettings; }
+    VideoSettings*          videoSettings       (void) { return _videoSettings; }
+
+private:
+    AppSettings*            _appSettings;
+    UnitsSettings*          _unitsSettings;
+    AutoConnectSettings*    _autoConnectSettings;
+    VideoSettings*          _videoSettings;
+};
+
+#endif

src/SettingsManager.cc → src/Settings/UnitsSettings.cc

@@ -7,147 +7,26 @@
  *
  ****************************************************************************/
 
-#include "SettingsManager.h"
-#include "QGCApplication.h"
-
-QGC_LOGGING_CATEGORY(SettingsManagerLog, "SettingsManagerLog")
-
-const char* SettingsManager::offlineEditingFirmwareTypeSettingsName =       "OfflineEditingFirmwareType";
-const char* SettingsManager::offlineEditingVehicleTypeSettingsName =        "OfflineEditingVehicleType";
-const char* SettingsManager::offlineEditingCruiseSpeedSettingsName =        "OfflineEditingCruiseSpeed";
-const char* SettingsManager::offlineEditingHoverSpeedSettingsName =         "OfflineEditingHoverSpeed";
-const char* SettingsManager::distanceUnitsSettingsName =                    "DistanceUnits";
-const char* SettingsManager::areaUnitsSettingsName =                        "AreaUnits";
-const char* SettingsManager::speedUnitsSettingsName =                       "SpeedUnits";
-const char* SettingsManager::batteryPercentRemainingAnnounceSettingsName =  "batteryPercentRemainingAnnounce";
-const char* SettingsManager::defaultMissionItemAltitudeSettingsName =       "DefaultMissionItemAltitude";
-const char* SettingsManager::missionAutoLoadDirSettingsName =               "MissionAutoLoadDir";
-const char* SettingsManager::promptFlightTelemetrySaveName =                "PromptFLightDataSave";
-const char* SettingsManager::promptFlightTelemetrySaveNotArmedName =        "PromptFLightDataSaveNotArmed";
-const char* SettingsManager::audioMutedName =                               "AudioMuted";
-
-SettingsManager::SettingsManager(QGCApplication* app)
-    : QGCTool(app)
-    , _offlineEditingFirmwareTypeFact(NULL)
-    , _offlineEditingVehicleTypeFact(NULL)
-    , _offlineEditingCruiseSpeedFact(NULL)
-    , _offlineEditingHoverSpeedFact(NULL)
+#include "UnitsSettings.h"
+
+#include <QQmlEngine>
+
+const char* UnitsSettings::unitsSettingsGroupName =     "units";
+const char* UnitsSettings::distanceUnitsSettingsName =  "DistanceUnits";
+const char* UnitsSettings::areaUnitsSettingsName =      "AreaUnits";
+const char* UnitsSettings::speedUnitsSettingsName =     "SpeedUnits";
+
+UnitsSettings::UnitsSettings(QObject* parent)
+    : SettingsGroup(unitsSettingsGroupName, QString() /* root settings group */, parent)
     , _distanceUnitsFact(NULL)
     , _areaUnitsFact(NULL)
     , _speedUnitsFact(NULL)
-    , _batteryPercentRemainingAnnounceFact(NULL)
-    , _defaultMissionItemAltitudeFact(NULL)
-    , _missionAutoLoadDirFact(NULL)
-    , _promptFlightTelemetrySave(NULL)
-    , _promptFlightTelemetrySaveNotArmed(NULL)
-    , _audioMuted(NULL)
-{
-
-}
-
-void SettingsManager::setToolbox(QGCToolbox *toolbox)
 {
-    QGCTool::setToolbox(toolbox);
     QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
-    qmlRegisterUncreatableType<SettingsManager>("QGroundControl.SettingsManager", 1, 0, "SettingsManager", "Reference only");
-
-    _nameToMetaDataMap = FactMetaData::createMapFromJsonFile(":/json/SettingsManager.json", this);
-}
-
-SettingsFact* SettingsManager::_createSettingsFact(const QString& name)
-{
-    return new SettingsFact(QString() /* no settings group */, _nameToMetaDataMap[name], this);
-}
-
-Fact* SettingsManager::offlineEditingFirmwareType(void)
-{
-    if (!_offlineEditingFirmwareTypeFact) {
-        _offlineEditingFirmwareTypeFact = _createSettingsFact(offlineEditingFirmwareTypeSettingsName);
-    }
-
-    return _offlineEditingFirmwareTypeFact;
-}
-
-Fact* SettingsManager::offlineEditingVehicleType(void)
-{
-    if (!_offlineEditingVehicleTypeFact) {
-        _offlineEditingVehicleTypeFact = _createSettingsFact(offlineEditingVehicleTypeSettingsName);
-    }
-
-    return _offlineEditingVehicleTypeFact;
-}
-
-Fact* SettingsManager::offlineEditingCruiseSpeed(void)
-{
-    if (!_offlineEditingCruiseSpeedFact) {
-        _offlineEditingCruiseSpeedFact = _createSettingsFact(offlineEditingCruiseSpeedSettingsName);
-    }
-    return _offlineEditingCruiseSpeedFact;
-}
-
-Fact* SettingsManager::offlineEditingHoverSpeed(void)
-{
-    if (!_offlineEditingHoverSpeedFact) {
-        _offlineEditingHoverSpeedFact = _createSettingsFact(offlineEditingHoverSpeedSettingsName);
-    }
-    return _offlineEditingHoverSpeedFact;
-}
-
-Fact* SettingsManager::batteryPercentRemainingAnnounce(void)
-{
-    if (!_batteryPercentRemainingAnnounceFact) {
-        _batteryPercentRemainingAnnounceFact = _createSettingsFact(batteryPercentRemainingAnnounceSettingsName);
-    }
-
-    return _batteryPercentRemainingAnnounceFact;
-}
-
-Fact* SettingsManager::defaultMissionItemAltitude(void)
-{
-    if (!_defaultMissionItemAltitudeFact) {
-        _defaultMissionItemAltitudeFact = _createSettingsFact(defaultMissionItemAltitudeSettingsName);
-    }
-
-    return _defaultMissionItemAltitudeFact;
-}
-
-Fact* SettingsManager::missionAutoLoadDir(void)
-{
-    if (!_missionAutoLoadDirFact) {
-        _missionAutoLoadDirFact = _createSettingsFact(missionAutoLoadDirSettingsName);
-    }
-
-    return _missionAutoLoadDirFact;
-}
-
-Fact* SettingsManager::promptFlightTelemetrySave(void)
-{
-    if (!_promptFlightTelemetrySave) {
-        _promptFlightTelemetrySave = _createSettingsFact(promptFlightTelemetrySaveName);
-    }
-
-    return _promptFlightTelemetrySave;
-}
-
-Fact* SettingsManager::promptFlightTelemetrySaveNotArmed(void)
-{
-    if (!_promptFlightTelemetrySaveNotArmed) {
-        _promptFlightTelemetrySaveNotArmed = _createSettingsFact(promptFlightTelemetrySaveNotArmedName);
-    }
-
-    return _promptFlightTelemetrySaveNotArmed;
-}
-
-Fact* SettingsManager::audioMuted(void)
-{
-    if (!_audioMuted) {
-        _audioMuted = _createSettingsFact(audioMutedName);
-    }
-
-    return _audioMuted;
+    qmlRegisterUncreatableType<UnitsSettings>("QGroundControl.SettingsManager", 1, 0, "UnitsSettings", "Reference only");
 }
 
-Fact* SettingsManager::distanceUnits(void)
+Fact* UnitsSettings::distanceUnits(void)
 {
     if (!_distanceUnitsFact) {
         // Distance/Area/Speed units settings can't be loaded from json since it creates an infinite loop of meta data loading.
@@ -170,7 +49,7 @@ Fact* SettingsManager::distanceUnits(void)
 
 }
 
-Fact* SettingsManager::areaUnits(void)
+Fact* UnitsSettings::areaUnits(void)
 {
     if (!_areaUnitsFact) {
         // Distance/Area/Speed units settings can't be loaded from json since it creates an infinite loop of meta data loading.
@@ -192,7 +71,7 @@ Fact* SettingsManager::areaUnits(void)
 
 }
 
-Fact* SettingsManager::speedUnits(void)
+Fact* UnitsSettings::speedUnits(void)
 {
     if (!_speedUnitsFact) {
         // Distance/Area/Speed units settings can't be loaded from json since it creates an infinite loop of meta data loading.

src/Settings/UnitsSettings.h

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#ifndef UnitsSettings_H
+#define UnitsSettings_H
+
+#include "SettingsGroup.h"
+
+class UnitsSettings : public SettingsGroup
+{
+    Q_OBJECT
+    
+public:
+    UnitsSettings(QObject* parent = NULL);
+
+    enum DistanceUnits {
+        DistanceUnitsFeet = 0,
+        DistanceUnitsMeters
+    };
+
+    enum AreaUnits {
+        AreaUnitsSquareFeet = 0,
+        AreaUnitsSquareMeters,
+        AreaUnitsSquareKilometers,
+        AreaUnitsHectares,
+        AreaUnitsAcres,
+        AreaUnitsSquareMiles,
+    };
+
+    enum SpeedUnits {
+        SpeedUnitsFeetPerSecond = 0,
+        SpeedUnitsMetersPerSecond,
+        SpeedUnitsMilesPerHour,
+        SpeedUnitsKilometersPerHour,
+        SpeedUnitsKnots,
+    };
+
+    Q_ENUMS(DistanceUnits)
+    Q_ENUMS(AreaUnits)
+    Q_ENUMS(SpeedUnits)
+
+    Q_PROPERTY(Fact* distanceUnits                      READ distanceUnits                      CONSTANT)
+    Q_PROPERTY(Fact* areaUnits                          READ areaUnits                          CONSTANT)
+    Q_PROPERTY(Fact* speedUnits                         READ speedUnits                         CONSTANT)
+
+    Fact* distanceUnits                     (void);
+    Fact* areaUnits                         (void);
+    Fact* speedUnits                        (void);
+
+    static const char* unitsSettingsGroupName;
+
+    static const char* distanceUnitsSettingsName;
+    static const char* areaUnitsSettingsName;
+    static const char* speedUnitsSettingsName;
+
+private:
+    SettingsFact* _distanceUnitsFact;
+    SettingsFact* _areaUnitsFact;
+    SettingsFact* _speedUnitsFact;
+};
+
+#endif

src/Settings/VideoSettings.cc

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#include "VideoSettings.h"
+
+#include <QQmlEngine>
+
+const char* VideoSettings::VideoSettingsGroupName = "video";
+
+VideoSettings::VideoSettings(QObject* parent)
+    : SettingsGroup(VideoSettingsGroupName, QString() /* root settings group */, parent)
+{
+    QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
+    qmlRegisterUncreatableType<VideoSettings>("QGroundControl.SettingsManager", 1, 0, "VideoSettings", "Reference only");
+}

src/Settings/VideoSettings.h

+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#ifndef VideoSettings_H
+#define VideoSettings_H
+
+#include "SettingsGroup.h"
+
+class VideoSettings : public SettingsGroup
+{
+    Q_OBJECT
+    
+public:
+    VideoSettings(QObject* parent = NULL);
+
+    static const char* VideoSettingsGroupName;
+
+private:
+};
+
+#endif

src/Vehicle/MultiVehicleManager.cc

@@ -64,8 +64,8 @@ void MultiVehicleManager::setToolbox(QGCToolbox *toolbox)
    connect(_mavlinkProtocol, &MAVLinkProtocol::vehicleHeartbeatInfo, this, &MultiVehicleManager::_vehicleHeartbeatInfo);
 
    SettingsManager* settingsManager = toolbox->settingsManager();
-   _offlineEditingVehicle = new Vehicle(static_cast<MAV_AUTOPILOT>(settingsManager->offlineEditingFirmwareType()->rawValue().toInt()),
-                                        static_cast<MAV_TYPE>(settingsManager->offlineEditingVehicleType()->rawValue().toInt()),
+   _offlineEditingVehicle = new Vehicle(static_cast<MAV_AUTOPILOT>(settingsManager->appSettings()->offlineEditingFirmwareType()->rawValue().toInt()),
+                                        static_cast<MAV_TYPE>(settingsManager->appSettings()->offlineEditingVehicleType()->rawValue().toInt()),
                                         _firmwarePluginManager,
                                         this);
 }

src/Vehicle/Vehicle.cc

@@ -101,8 +101,8 @@ Vehicle::Vehicle(LinkInterface*             link,
     , _onboardControlSensorsUnhealthy(0)
     , _gpsRawIntMessageAvailable(false)
     , _globalPositionIntMessageAvailable(false)
-    , _cruiseSpeed(_settingsManager->offlineEditingCruiseSpeed()->rawValue().toDouble())
-    , _hoverSpeed(_settingsManager->offlineEditingHoverSpeed()->rawValue().toDouble())
+    , _cruiseSpeed(_settingsManager->appSettings()->offlineEditingCruiseSpeed()->rawValue().toDouble())
+    , _hoverSpeed(_settingsManager->appSettings()->offlineEditingHoverSpeed()->rawValue().toDouble())
     , _telemetryRRSSI(0)
     , _telemetryLRSSI(0)
     , _telemetryRXErrors(0)
@@ -260,8 +260,8 @@ Vehicle::Vehicle(MAV_AUTOPILOT              firmwareType,
     , _onboardControlSensorsUnhealthy(0)
     , _gpsRawIntMessageAvailable(false)
     , _globalPositionIntMessageAvailable(false)
-    , _cruiseSpeed(_settingsManager->offlineEditingCruiseSpeed()->rawValue().toDouble())
-    , _hoverSpeed(_settingsManager->offlineEditingHoverSpeed()->rawValue().toDouble())
+    , _cruiseSpeed(_settingsManager->appSettings()->offlineEditingCruiseSpeed()->rawValue().toDouble())
+    , _hoverSpeed(_settingsManager->appSettings()->offlineEditingHoverSpeed()->rawValue().toDouble())
     , _connectionLost(false)
     , _connectionLostEnabled(true)
     , _missionManager(NULL)
@@ -323,10 +323,10 @@ void Vehicle::_commonInit(void)
     connect(_rallyPointManager, &RallyPointManager::error, this, &Vehicle::_rallyPointManagerError);
 
     // Offline editing vehicle tracks settings changes for offline editing settings
-    connect(_settingsManager->offlineEditingFirmwareType(),  &Fact::rawValueChanged, this, &Vehicle::_offlineFirmwareTypeSettingChanged);
-    connect(_settingsManager->offlineEditingVehicleType(),   &Fact::rawValueChanged, this, &Vehicle::_offlineVehicleTypeSettingChanged);
-    connect(_settingsManager->offlineEditingCruiseSpeed(),   &Fact::rawValueChanged, this, &Vehicle::_offlineCruiseSpeedSettingChanged);
-    connect(_settingsManager->offlineEditingHoverSpeed(),    &Fact::rawValueChanged, this, &Vehicle::_offlineHoverSpeedSettingChanged);
+    connect(_settingsManager->appSettings()->offlineEditingFirmwareType(),  &Fact::rawValueChanged, this, &Vehicle::_offlineFirmwareTypeSettingChanged);
+    connect(_settingsManager->appSettings()->offlineEditingVehicleType(),   &Fact::rawValueChanged, this, &Vehicle::_offlineVehicleTypeSettingChanged);
+    connect(_settingsManager->appSettings()->offlineEditingCruiseSpeed(),   &Fact::rawValueChanged, this, &Vehicle::_offlineCruiseSpeedSettingChanged);
+    connect(_settingsManager->appSettings()->offlineEditingHoverSpeed(),    &Fact::rawValueChanged, this, &Vehicle::_offlineHoverSpeedSettingChanged);
 
     // Build FactGroup object model
 
@@ -791,7 +791,7 @@ void Vehicle::_handleSysStatus(mavlink_message_t& message)
     }
     _batteryFactGroup.percentRemaining()->setRawValue(sysStatus.battery_remaining);
 
-    if (sysStatus.battery_remaining > 0 && sysStatus.battery_remaining < _settingsManager->batteryPercentRemainingAnnounce()->rawValue().toInt()) {
+    if (sysStatus.battery_remaining > 0 && sysStatus.battery_remaining < _settingsManager->appSettings()->batteryPercentRemainingAnnounce()->rawValue().toInt()) {
         if (!_lowBatteryAnnounceTimer.isValid() || _lowBatteryAnnounceTimer.elapsed() > _lowBatteryAnnounceRepeatMSecs) {
             _lowBatteryAnnounceTimer.restart();
             _say(QString("%1 low battery: %2 percent remaining").arg(_vehicleIdSpeech()).arg(sysStatus.battery_remaining));
@@ -1579,7 +1579,7 @@ void Vehicle::_parametersReady(bool parametersReady)
 {
     if (parametersReady && !_missionManagerInitialRequestSent) {
         _missionManagerInitialRequestSent = true;
-        QString missionAutoLoadDirPath = _settingsManager->missionAutoLoadDir()->rawValue().toString();
+        QString missionAutoLoadDirPath = _settingsManager->appSettings()->missionAutoLoadDir()->rawValue().toString();
         if (missionAutoLoadDirPath.isEmpty()) {
             _missionManager->requestMissionItems();
         } else {

src/api/QGCCorePlugin.cc

@@ -159,3 +159,11 @@ QVariantList& QGCCorePlugin::toolBarIndicators()
     }
     return _p->toolBarIndicatorList;
 }
+
+bool QGCCorePlugin::overrideSettingsGroupVisibility(QString name)
+{
+    Q_UNUSED(name);
+
+    // Always show all
+    return true;
+}

src/api/QGCCorePlugin.h

@@ -53,6 +53,11 @@ public:
     /// @return An instance of QGCOptions
     virtual QGCOptions*             options             ();
 
+    /// Allows the core plugin to override the default value for the specified setting
+    ///     @param name - Setting group name
+    /// @return true: Show settings ui, false: Hide settings ui
+    virtual bool overrideSettingsGroupVisibility(QString name);
+
     /// Allows the core plugin to override the default value for the specified setting
     ///     @param name - Setting name
     ///     @param defaultValue - Standard default value for setting

src/comm/MAVLinkProtocol.cc

@@ -424,7 +424,7 @@ void MAVLinkProtocol::_stopLogging(void)
     if (_closeLogFile()) {
         // If the signals are not connected it means we are running a unit test. In that case just delete log files
         SettingsManager* settingsManager = _app->toolbox()->settingsManager();
-        if ((_vehicleWasArmed || settingsManager->promptFlightTelemetrySaveNotArmed()->rawValue().toBool()) && settingsManager->promptFlightTelemetrySave()->rawValue().toBool()) {
+        if ((_vehicleWasArmed || settingsManager->appSettings()->promptFlightTelemetrySaveNotArmed()->rawValue().toBool()) && settingsManager->appSettings()->promptFlightTelemetrySave()->rawValue().toBool()) {
             emit saveTempFlightDataLog(_tempLogFile.fileName());
         } else {
             QFile::remove(_tempLogFile.fileName());