Fix typos

CodingStyle.cc

@@ -20,7 +20,7 @@
 
 #include <math.h>
 
-// Note how the Qt headers and the QGroundControl headers above are kept seperate
+// Note how the Qt headers and the QGroundControl headers above are kept separate
 
 Q_LOGGING_CATEGORY(CodingStyleLog, "CodingStyleLog")
 

CodingStyle.h

@@ -25,7 +25,7 @@
 #include "Fact.h"
 #include "UASInterface.h"
 
-// Note how the Qt headers, System, headers and the QGroundControl headers above are kept in seperate groups
+// Note how the Qt headers, System, headers and the QGroundControl headers above are kept in separate groups
 
 // If you are going to use a logging category for a class it should have the same name as the class
 // with a suffix of Log.

QGCExternalLibs.pri

@@ -9,7 +9,7 @@ WindowsBuild {
 # [REQUIRED] Add support for the MAVLink communications protocol.
 # Mavlink dialect is hardwired to arudpilotmega for now. The reason being
 # the current codebase supports both PX4 and APM flight stack. PX4 flight stack
-# only usese common mavlink specifications, wherease APM flight stack uses custom
+# only usese common mavlink specifications, whereas APM flight stack uses custom
 # mavlink specifications which add to common. So by using the adupilotmega dialect
 # QGC can support both in the same codebase.
 #

android/src/com/hoho/android/usbserial/driver/ProlificSerialDriver.java

@@ -217,7 +217,7 @@ public class ProlificSerialDriver extends CommonUsbSerialDriver {
             }
         }
 
-        /* throw and clear an exception which occured in the status read thread */
+        /* throw and clear an exception which occurred in the status read thread */
         IOException readStatusException = mReadStatusException;
         if (mReadStatusException != null) {
             mReadStatusException = null;
@@ -288,7 +288,7 @@ public class ProlificSerialDriver extends CommonUsbSerialDriver {
                             + "available! Assuming that it is a HX device");
                     mDeviceType = DEVICE_TYPE_HX;
                 } catch (Exception e) {
-                    Log.e(TAG, "An unexpected exception occured while trying "
+                    Log.e(TAG, "An unexpected exception occurred while trying "
                             + "to detect PL2303 subtype", e);
                 }
             }
@@ -318,7 +318,7 @@ public class ProlificSerialDriver extends CommonUsbSerialDriver {
                     try {
                         mReadStatusThread.join();
                     } catch (Exception e) {
-                        Log.w(TAG, "An error occured while waiting for status read thread", e);
+                        Log.w(TAG, "An error occurred while waiting for status read thread", e);
                     }
                 }
             }

android/src/org/qgroundcontrol/qgchelper/UsbDeviceJNI.java

@@ -347,7 +347,7 @@ public class UsbDeviceJNI extends QtActivity implements TextToSpeech.OnInitListe
                         Log.e(TAG, "UsbIoManager instance is null");
                     m_ioManager.put(idL, managerL);
                     m_Executor.submit(managerL);
-                    Log.i(TAG, "Port open successfull");
+                    Log.i(TAG, "Port open successful");
                     return idL;
                 }
             }

doc/Doxyfile

@@ -281,7 +281,7 @@ TYPEDEF_HIDES_STRUCT   = NO
 # causing a significant performance penality.
 # If the system has enough physical memory increasing the cache will improve the
 # performance by keeping more symbols in memory. Note that the value works on
-# a logarithmic scale so increasing the size by one will rougly double the
+# a logarithmic scale so increasing the size by one will roughly double the
 # memory usage. The cache size is given by this formula:
 # 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0,
 # corresponding to a cache size of 2^16 = 65536 symbols

resources/flightgear/Aircraft/EasyStar/easystar.xml

@@ -7,7 +7,7 @@
  <fileheader>
   <author> Ron Jensen Aeromatic v 0.91 </author>
   <filecreationdate> 2010-03-28 </filecreationdate>
-  <version>$Revison: $</version>
+  <version>$Revision: $</version>
   <description> Models a EasyStar. </description>
  </fileheader>
 

resources/flightgear/Aircraft/EasyStar/readme.txt

-Origional readme:
+Original readme:
 ************************************************************************
 *             MULTIPLEX Modellsport GmbH & Co. KG                      *
 *             Neuer Weg 2, D-75223 Niefern, Germany                    *

resources/flightgear/Aircraft/Rascal/README.Rascal

@@ -127,7 +127,7 @@ tires.
 rudder which is connected to a steerable tail wheel.  Use brakes only
 for positive, precision ground control when necessary.
 
-(3) Taxi upwind with stick back; downwind with stick foreward.  When
+(3) Taxi upwind with stick back; downwind with stick forward.  When
 ground winds are in excess of 15 M.P.H., turn into wind using ailerons
 in direction of turn; apply ailerons away from the turn when turning
 downwind.  This procedure helps to prevent the wind "picking up" a

resources/flightgear/Aircraft/Rascal110/README.Rascal

@@ -127,7 +127,7 @@ tires.
 rudder which is connected to a steerable tail wheel.  Use brakes only
 for positive, precision ground control when necessary.
 
-(3) Taxi upwind with stick back; downwind with stick foreward.  When
+(3) Taxi upwind with stick back; downwind with stick forward.  When
 ground winds are in excess of 15 M.P.H., turn into wind using ailerons
 in direction of turn; apply ailerons away from the turn when turning
 downwind.  This procedure helps to prevent the wind "picking up" a

src/AutoPilotPlugins/APM/APMCameraComponent.qml

@@ -144,7 +144,7 @@ QGCView {
     Connections { target: _rc13Function; onValueChanged: calcGimbalOutValues() }
     Connections { target: _rc14Function; onValueChanged: calcGimbalOutValues() }
 
-    // Whenever an MNT_RC_IN_* setting is changed make sure to turn on RC targetting
+    // Whenever an MNT_RC_IN_* setting is changed make sure to turn on RC targeting
     Connections {
         target:         _mountRCInPan
         onValueChanged: _mountDefaultMode.value = _mountDefaultModeRCTargetting

src/AutoPilotPlugins/PX4/PX4AdvancedFlightModes.qml

@@ -51,11 +51,11 @@ Item {
                                                         qsTr("The Main mode switch must always be assigned to a channel in order to fly")
 
     readonly property string assistModeName:            qsTr("Assist")
-    readonly property string assistModeDescription:     qsTr("If Position Control is placed on a seperate channel from the Main mode channel, an additional 'Assist' mode is added to the Main switch. ") +
+    readonly property string assistModeDescription:     qsTr("If Position Control is placed on a separate channel from the Main mode channel, an additional 'Assist' mode is added to the Main switch. ") +
                                                         qsTr("In order for the Attitude Control/Position Control switch to be active, the Main switch must be in Assist mode.")
 
     readonly property string autoModeName:              qsTr("Auto")
-    readonly property string autoModeDescription:       qsTr("If Loiter is placed on a seperate channel from the Main mode channel, an additional 'Auto' mode is added to the Main switch. ") +
+    readonly property string autoModeDescription:       qsTr("If Loiter is placed on a separate channel from the Main mode channel, an additional 'Auto' mode is added to the Main switch. ") +
                                                         qsTr("In order for the Mission/Loiter switch to be active, the Main switch must be in Auto mode.")
 
     readonly property string fwAcroModeName:            qsTr("Stabilized")

src/AutoPilotPlugins/PX4/PX4AdvancedFlightModesController.cc

@@ -88,7 +88,7 @@ void PX4AdvancedFlightModesController::_init(void)
         // PosCtl disabled so AltCtl must move back to main Mode switch
         _assistModeVisible = false;
     } else {
-        // Assist mode is visible if AltCtl/PosCtl are on seperate channel from main Mode switch
+        // Assist mode is visible if AltCtl/PosCtl are on separate channel from main Mode switch
         _assistModeVisible = posCtlChannel != modeChannel;
     }
     
@@ -96,7 +96,7 @@ void PX4AdvancedFlightModesController::_init(void)
         // Loiter disabled so Mission must move back to main Mode switch
         _autoModeVisible = false;
     } else {
-        // Auto mode is visible if Mission/Loiter are on seperate channel from main Mode switch
+        // Auto mode is visible if Mission/Loiter are on separate channel from main Mode switch
         _autoModeVisible = loiterChannel != modeChannel;
     }
     
@@ -662,7 +662,7 @@ void PX4AdvancedFlightModesController::setPosCtlModeChannelIndex(int index)
         // PosCtl disabled so AltCtl must move back to main Mode switch
         _assistModeVisible = false;
     } else {
-        // Assist mode is visible if AltCtl/PosCtl are on seperate channel from main Mode switch
+        // Assist mode is visible if AltCtl/PosCtl are on separate channel from main Mode switch
         _assistModeVisible = channel != getParameterFact(-1, "RC_MAP_MODE_SW")->rawValue().toInt();
     }
     
@@ -684,7 +684,7 @@ void PX4AdvancedFlightModesController::setLoiterModeChannelIndex(int index)
         // Loiter disabled so Mission must move back to main Mode switch
         _autoModeVisible = false;
     } else {
-        // Auto mode is visible if Mission/Loiter are on seperate channel from main Mode switch
+        // Auto mode is visible if Mission/Loiter are on separate channel from main Mode switch
         _autoModeVisible = channel != getParameterFact(-1, "RC_MAP_MODE_SW")->rawValue().toInt();
     }
     

src/FactSystem/FactMetaData.h

@@ -21,7 +21,7 @@
 
 /// Holds the meta data associated with a Fact.
 ///
-/// Holds the meta data associated with a Fact. This is kept in a seperate object from the Fact itself
+/// Holds the meta data associated with a Fact. This is kept in a separate object from the Fact itself
 /// since you may have multiple instances of the same Fact. But there is only ever one FactMetaData
 /// instance or each Fact.
 class FactMetaData : public QObject

src/FactSystem/ParameterLoader.h

@@ -142,7 +142,7 @@ private:
     QMap<int, QMap<QString, QStringList> > _mapGroup2ParameterName;
     
     bool        _parametersReady;               ///< true: full set of parameters correctly loaded
-    bool        _initialLoadComplete;           ///< true: Initial load of all parameters complete, whether succesful or not
+    bool        _initialLoadComplete;           ///< true: Initial load of all parameters complete, whether successful or not
     bool        _waitingForDefaultComponent;    ///< true: last chance wait for default component params
     bool        _saveRequired;                  ///< true: _saveToEEPROM should be called
     int         _defaultComponentId;

src/FirmwarePlugin/APM/APMParameterMetaData.cc

@@ -312,7 +312,7 @@ bool APMParameterMetaData::parseParameterAttributes(QXmlStreamReader& xml, APMFa
     // as long as param doens't end
     while (!(elementName == "param" && xml.isEndElement())) {
         if (elementName.isEmpty()) {
-            // skip empty elements. Somehow I am getting lot of these. Dont know what to do with them.
+            // skip empty elements. Somehow I am getting lot of these. Don't know what to do with them.
         } else if (elementName == "field") {
             QString attributeName = xml.attributes().value("name").toString();
 

src/FirmwarePlugin/FirmwarePlugin.h

@@ -181,7 +181,7 @@ public:
     virtual QString internalParameterMetaDataFile(void) { return QString(); }
 
     /// Loads the specified parameter meta data file.
-    /// @return Opaque parameter meta data information which must be stored with Vehicle. Vehicle is reponsible to
+    /// @return Opaque parameter meta data information which must be stored with Vehicle. Vehicle is responsible to
     ///         call deleteParameterMetaData when no longer needed.
     virtual QObject* loadParameterMetaData(const QString& metaDataFile) { Q_UNUSED(metaDataFile); return NULL; }
 

src/FollowMe/FollowMe.cc

@@ -92,13 +92,13 @@ void FollowMe::_setGPSLocation(QGeoPositionInfo geoPositionInfo)
             _motionReport.pos_std_dev[2] = geoPositionInfo.attribute(QGeoPositionInfo::VerticalAccuracy);
         }                
 
-        // calculate z velocity if it's availible
+        // calculate z velocity if it's available
 
         if(geoPositionInfo.hasAttribute(QGeoPositionInfo::VerticalSpeed)) {
             _motionReport.vz = geoPositionInfo.attribute(QGeoPositionInfo::VerticalSpeed);
         }
 
-        // calculate x,y velocity if it's availible
+        // calculate x,y velocity if it's available
 
         if((geoPositionInfo.hasAttribute(QGeoPositionInfo::Direction)   == true) &&
            (geoPositionInfo.hasAttribute(QGeoPositionInfo::GroundSpeed) == true)) {

src/LogCompressor.cc

@@ -70,7 +70,7 @@ void LogCompressor::run()
 
 
 	// First we search the input file through keySearchLimit number of lines
-	// looking for variables. This is neccessary before CSV files require
+	// looking for variables. This is necessary before CSV files require
 	// the same number of fields for every line.
 	const unsigned int keySearchLimit = 15000;
 	unsigned int keyCounter = 0;

src/MissionEditor/SurveyItemEditor.qml

@@ -16,7 +16,7 @@ Rectangle {
     color:      qgcPal.windowShadeDark
     radius:     _radius
 
-    // The following properties must be available up the hierachy chain
+    // The following properties must be available up the hierarchy chain
     //property real   availableWidth    ///< Width for control
     //property var    missionItem       ///< Mission Item for editor
 

src/MissionManager/MavCmdInfoCommon.json

@@ -768,7 +768,7 @@
                 "label":            "Mode:",
                 "default":          0,
                 "decimalPlaces":    0,
-                "enumStrings":      "Retract,Neutral,Mavlink Targetting,RC Targetting,GPS Point",
+                "enumStrings":      "Retract,Neutral,Mavlink Targeting,RC Targeting,GPS Point",
                 "enumValues":       "0,1,2,3,4"
             },
             "param2": {

src/MissionManager/MissionManager.cc

@@ -165,7 +165,7 @@ void MissionManager::_ackTimeout(void)
     
     if (timedOutAck == AckNone) {
         qCWarning(MissionManagerLog) << "_ackTimeout timeout with AckNone";
-        _sendError(InternalError, "Internal error occured during Mission Item communication: _ackTimeOut:_retryAck == AckNone");
+        _sendError(InternalError, "Internal error occurred during Mission Item communication: _ackTimeOut:_retryAck == AckNone");
         return;
     }
     

src/MissionManager/MissionManager.h

@@ -82,7 +82,7 @@ private:
         AckMissionCount,    ///< MISSION_COUNT message expected
         AckMissionItem,     ///< MISSION_ITEM expected
         AckMissionRequest,  ///< MISSION_REQUEST is expected, or MISSION_ACK to end sequence
-        AckGuidedItem,      ///< MISSION_ACK expected in reponse to ArduPilot guided mode single item send
+        AckGuidedItem,      ///< MISSION_ACK expected in response to ArduPilot guided mode single item send
     } AckType_t;
     
     void _startAckTimeout(AckType_t ack);

src/MissionManager/SimpleMissionItem.cc

@@ -152,7 +152,7 @@ void SimpleMissionItem::_connectSignals(void)
     connect(&_missionItem._commandFact, &Fact::valueChanged,                    this, &SimpleMissionItem::_setDirtyFromSignal);
     connect(&_missionItem,              &MissionItem::sequenceNumberChanged,    this, &SimpleMissionItem::_setDirtyFromSignal);
 
-    // Values from these facts must propogate back and forth between the real object storage
+    // Values from these facts must propagate back and forth between the real object storage
     connect(&_altitudeRelativeToHomeFact,   &Fact::valueChanged,    this, &SimpleMissionItem::_syncAltitudeRelativeToHomeToFrame);
     connect(&_missionItem._frameFact,       &Fact::valueChanged,    this, &SimpleMissionItem::_syncFrameToAltitudeRelativeToHome);
 
@@ -182,7 +182,7 @@ void SimpleMissionItem::_connectSignals(void)
     connect(&_missionItem._commandFact,     &Fact::valueChanged, this, &SimpleMissionItem::_sendCommandChanged);
     connect(&_missionItem._frameFact,       &Fact::valueChanged, this, &SimpleMissionItem::_sendFrameChanged);
 
-    // Sequence number is kept in mission iteem, so we need to propogate signal up as well
+    // Sequence number is kept in mission iteem, so we need to propagate signal up as well
     connect(&_missionItem, &MissionItem::sequenceNumberChanged, this, &SimpleMissionItem::sequenceNumberChanged);
 }
 

src/MissionManager/VisualMissionItem.h

@@ -40,7 +40,7 @@ public:
 
     const VisualMissionItem& operator=(const VisualMissionItem& other);
 
-    // The following properties are calulated/set by the MissionControll recalc methods
+    // The following properties are calculated/set by the MissionControll recalc methods
 
     Q_PROPERTY(double altDifference READ altDifference  WRITE setAltDifference  NOTIFY altDifferenceChanged)    ///< Change in altitude from previous waypoint
     Q_PROPERTY(double altPercent    READ altPercent     WRITE setAltPercent     NOTIFY altPercentChanged)       ///< Percent of total altitude change in mission altitude

src/PositionManager/SimulatedPosition.h

@@ -41,7 +41,7 @@ private:
 
     QGeoPositionInfo lastPosition;
 
-    // items for simulating QGC movment in jMAVSIM
+    // items for simulating QGC movement in jMAVSIM
 
     int32_t lat_int;
     int32_t lon_int;

src/QGCApplication.cc

@@ -206,7 +206,7 @@ QGCApplication::QGCApplication(int &argc, char* argv[], bool unitTesting)
     if (!_runningUnitTests) {
         if (getuid() == 0) {
             QMessageBox msgBox;
-            msgBox.setInformativeText("You are runnning QGroundControl as root. "
+            msgBox.setInformativeText("You are running QGroundControl as root. "
                                       "You should not do this since it will cause other issues with QGroundControl. "
                                       "QGroundControl will now exit. "
                                       "If you are having serial port issues on Ubuntu, execute the following commands to fix most issues:\n"

src/QGCMobileFileDialogController.h

@@ -30,7 +30,7 @@ public:
     ///     @param fileExtension Expected file extension, added if needed
     Q_INVOKABLE QString fullPath(const QString& filename, const QString& fileExtension);
 
-    /// Check for file existance
+    /// Check for file existence
     ///     @param filename File name, not fully qualified, may not have extension
     ///     @param fileExtension Expected file extension, added if needed
     /// @return true: File exists at Documents location

src/QGCQmlWidgetHolder.h

@@ -50,7 +50,7 @@ public:
     QQmlEngine*	getEngine();
 
     /// Sets the QML into the control. Will display errors message box if error occurs loading source.
-    /// @return true: source loaded, false: source not loaded, errors occured
+    /// @return true: source loaded, false: source not loaded, errors occurred
     bool setSource(const QUrl& qmlUrl);
 
     void setContextPropertyObject(const QString& name, QObject* object);

src/QGCQuickWidget.cc

@@ -18,7 +18,7 @@
 #include <QQmlEngine>
 
 /// @file
-///     @brief Subclass of QQuickWidget which injects Facts and the Pallete object into
+///     @brief Subclass of QQuickWidget which injects Facts and the Palette object into
 ///             the QML context.
 ///
 ///     @author Don Gagne <don@thegagnes.com>

src/QGCQuickWidget.h

@@ -16,7 +16,7 @@
 #include "AutoPilotPlugin.h"
 
 /// @file
-///     @brief Subclass of QQuickWidget which injects Facts and the Pallete object into
+///     @brief Subclass of QQuickWidget which injects Facts and the Palette object into
 ///             the QML context.
 ///
 ///     @author Don Gagne <don@thegagnes.com>
@@ -31,7 +31,7 @@ public:
     void setAutoPilot(AutoPilotPlugin* autoPilot);
     
     /// Sets the QML into the control. Will display errors message box if error occurs loading source.
-    ///     @return true: source loaded, false: source not loaded, errors occured
+    ///     @return true: source loaded, false: source not loaded, errors occurred
     bool setSource(const QUrl& qmlUrl);
 };
 

src/QmlControls/ScreenTools.qml

@@ -32,12 +32,12 @@ Item {
 
     property real defaultFontPointSize:     10
 
-    /// You can use this property to position ui elements in a screen resolution independant manner. Using fixed positioning values should not
+    /// You can use this property to position ui elements in a screen resolution independent manner. Using fixed positioning values should not
     /// be done. All positioning should be done using anchors or a ratio of the defaultFontPixelHeight and defaultFontPixelWidth values. This way
     /// your ui elements will reposition themselves appropriately on varying screen sizes and resolutions.
     property real defaultFontPixelHeight:   10
 
-    /// You can use this property to position ui elements in a screen resolution independant manner. Using fixed positioning values should not
+    /// You can use this property to position ui elements in a screen resolution independent manner. Using fixed positioning values should not
     /// be done. All positioning should be done using anchors or a ratio of the defaultFontPixelHeight and defaultFontPixelWidth values. This way
     /// your ui elements will reposition themselves appropriately on varying screen sizes and resolutions.
     property real defaultFontPixelWidth:    10

src/VehicleSetup/FirmwareImage.cc

@@ -198,7 +198,7 @@ bool FirmwareImage::_px4Load(const QString& imageFilename)
 {
     _imageSize = 0;
     
-    // We need to collect information from the .px4 file as well as pull the binary image out to a seperate file.
+    // We need to collect information from the .px4 file as well as pull the binary image out to a separate file.
     
     QFile px4File(imageFilename);
     if (!px4File.open(QIODevice::ReadOnly | QIODevice::Text)) {
@@ -400,7 +400,7 @@ bool FirmwareImage::_decompressJsonValue(const QJsonObject&	jsonObject,			///< J
         return false;
     }
     
-    emit statusMessage(QString("Succesfully decompressed %1").arg(bytesKey));
+    emit statusMessage(QString("Successfully decompressed %1").arg(bytesKey));
     
     return true;
 }

src/VehicleSetup/FirmwareUpgrade.qml

@@ -312,7 +312,7 @@ QGCView {
                                     qsTr("This firmware has NOT BEEN FLIGHT TESTED. ") +
                                     qsTr("It is only intended for DEVELOPERS. ") +
                                     qsTr("Run bench tests without props first. ") +
-                                    qsTr("Do NOT fly this without additonal safety precautions. ") +
+                                    qsTr("Do NOT fly this without additional safety precautions. ") +
                                     qsTr("Follow the mailing list actively when using it.")
                         } else {
                             firmwareVersionWarningLabel.visible = false

src/VehicleSetup/FirmwareUpgradeController.h

@@ -218,7 +218,7 @@ private:
     QNetworkAccessManager*  _downloadManager;       ///< Used for firmware file downloading across the internet
     QNetworkReply*          _downloadNetworkReply;  ///< Used for firmware file downloading across the internet
     
-    /// @brief Thread controller which is used to run bootloader commands on seperate thread
+    /// @brief Thread controller which is used to run bootloader commands on separate thread
     PX4FirmwareUpgradeThreadController* _threadController;
     
     static const int    _eraseTickMsec = 500;       ///< Progress bar update tick time for erase

src/VehicleSetup/PX4FirmwareUpgradeThread.cc

@@ -9,7 +9,7 @@
 
 
 /// @file
-///     @brief PX4 Firmware Upgrade operations which occur on a seperate thread.
+///     @brief PX4 Firmware Upgrade operations which occur on a separate thread.
 ///     @author Don Gagne <don@thegagnes.com>
 
 #include "PX4FirmwareUpgradeThread.h"

src/VehicleSetup/PX4FirmwareUpgradeThread.h

@@ -9,7 +9,7 @@
 
 
 /// @file
-///     @brief PX4 Firmware Upgrade operations which occur on a seperate thread.
+///     @brief PX4 Firmware Upgrade operations which occur on a separate thread.
 ///     @author Don Gagne <don@thegagnes.com>
 
 #ifndef PX4FirmwareUpgradeThread_H
@@ -30,7 +30,7 @@
 
 class PX4FirmwareUpgradeThreadController;
 
-/// @brief Used to run bootloader commands on a seperate thread. These routines are mainly meant to to be called
+/// @brief Used to run bootloader commands on a separate thread. These routines are mainly meant to to be called
 ///         internally by the PX4FirmwareUpgradeThreadController. Clients should call the various public methods
 ///         exposed by PX4FirmwareUpgradeThreadController.
 class PX4FirmwareUpgradeThreadWorker : public QObject
@@ -83,7 +83,7 @@ private:
 };
 
 /// @brief Provides methods to interact with the bootloader. The commands themselves are signalled
-///         across to PX4FirmwareUpgradeThreadWorker so that they run on the seperate thread.
+///         across to PX4FirmwareUpgradeThreadWorker so that they run on the separate thread.
 class PX4FirmwareUpgradeThreadController : public QObject
 {
     Q_OBJECT

src/VideoStreaming/gstqtvideosink/gstqtglvideosink.cpp

@@ -86,7 +86,7 @@ void GstQtGLVideoSink::class_init(gpointer g_class, gpointer class_data)
      * This is an action signal that you can call from your Qt surface class inside
      * its paint function to render the video. It takes a QPainter* and the target
      * area rectangle as arguments. You should schedule to call this function to
-     * repaint the surface whenever the ::update signal is emited.
+     * repaint the surface whenever the ::update signal is emitted.
      *
      * Note that the x,y,width and height arguments are actually qreal. This means
      * that on architectures like arm they will be float instead of double. You should
@@ -107,7 +107,7 @@ void GstQtGLVideoSink::class_init(gpointer g_class, gpointer class_data)
     /**
      * GstQtGLVideoSink::update
      *
-     * This signal is emited when the surface should be repainted. It should
+     * This signal is emitted when the surface should be repainted. It should
      * be connected to QWidget::update() or QGraphicsItem::update() or any
      * other similar function in your surface.
      */

src/VideoStreaming/gstqtvideosink/gstqtquick2videosink.cpp

@@ -410,7 +410,7 @@ gst_qt_quick2_video_sink_class_init (GstQtQuick2VideoSinkClass *klass)
      * inside its updateNode function to render the video. It takes a QSGNode*
      * and the item's area rectangle as arguments. You should schedule to call
      * this function to repaint the surface whenever the ::update signal is
-     * emited.
+     * emitted.
      *
      * Note that the x,y,width and height arguments are actually qreal.
      * This means that on architectures like arm they will be float instead
@@ -432,7 +432,7 @@ gst_qt_quick2_video_sink_class_init (GstQtQuick2VideoSinkClass *klass)
     /**
      * GstQtQuick2VideoSink::update
      *
-     * This signal is emited when the surface should be repainted. It should
+     * This signal is emitted when the surface should be repainted. It should
      * be connected to QQuickItem::update().
      */
     s_signals[SIGNAL_UPDATE] =

src/VideoStreaming/gstqtvideosink/gstqtvideosink.cpp

@@ -66,7 +66,7 @@ void GstQtVideoSink::class_init(gpointer g_class, gpointer class_data)
      * This is an action signal that you can call from your Qt surface class inside
      * its paint function to render the video. It takes a QPainter* and the target
      * area rectangle as arguments. You should schedule to call this function to
-     * repaint the surface whenever the ::update signal is emited.
+     * repaint the surface whenever the ::update signal is emitted.
      *
      * Note that the x,y,width and height arguments are actually qreal. This means
      * that on architectures like arm they will be float instead of double. You should
@@ -87,7 +87,7 @@ void GstQtVideoSink::class_init(gpointer g_class, gpointer class_data)
     /**
      * GstQtVideoSink::update
      *
-     * This signal is emited when the surface should be repainted. It should
+     * This signal is emitted when the surface should be repainted. It should
      * be connected to QWidget::update() or QGraphicsItem::update() or any
      * other similar function in your surface.
      */

src/comm/LinkInterface.h

@@ -187,7 +187,7 @@ signals:
      */
     void nameChanged(QString name);
 
-    /** @brief Communication error occured */
+    /** @brief Communication error occurred */
     void communicationError(const QString& title, const QString& error);
 
     void communicationUpdate(const QString& linkname, const QString& text);
@@ -217,7 +217,7 @@ protected:
     /// This function logs the send times and amounts of datas for input. Data is used for calculating
     /// the transmission rate.
     ///     @param byteCount Number of bytes received
-    ///     @param time Time in ms send occured
+    ///     @param time Time in ms send occurred
     void _logInputDataRate(quint64 byteCount, qint64 time) {
         if(_enableRateCollection)
             _logDataRateToBuffer(_inDataWriteAmounts, _inDataWriteTimes, &_inDataIndex, byteCount, time);
@@ -226,7 +226,7 @@ protected:
     /// This function logs the send times and amounts of datas for output. Data is used for calculating
     /// the transmission rate.
     ///     @param byteCount Number of bytes sent
-    ///     @param time Time in ms receive occured
+    ///     @param time Time in ms receive occurred
     void _logOutputDataRate(quint64 byteCount, qint64 time) {
         if(_enableRateCollection)
             _logDataRateToBuffer(_outDataWriteAmounts, _outDataWriteTimes, &_outDataIndex, byteCount, time);

src/comm/LogReplayLink.cc

@@ -159,7 +159,7 @@ quint64 LogReplayLink::_parseTimestamp(const QByteArray& bytes)
     return timestamp;
 }
 
-/// Seeks to the beginning of the next successully parsed mavlink message in the log file.
+/// Seeks to the beginning of the next successfully parsed mavlink message in the log file.
 ///     @param nextMsg[output] Parsed next message that was found
 /// @return A Unix timestamp in microseconds UTC for found message or 0 if parsing failed
 quint64 LogReplayLink::_seekToNextMavlinkMessage(mavlink_message_t* nextMsg)

src/comm/QGCFlightGearLink.cc

@@ -68,13 +68,13 @@ QGCFlightGearLink::QGCFlightGearLink(Vehicle* vehicle, QString startupArguments,
 
 QGCFlightGearLink::~QGCFlightGearLink()
 {   //do not disconnect unless it is connected.
-    //disconnectSimulation will delete the memory that was allocated for proces, terraSync and _udpCommSocket
+    //disconnectSimulation will delete the memory that was allocated for process, terraSync and _udpCommSocket
     if(connectState){
        disconnectSimulation();
     }
 }
 
-/// @brief Runs the simulation thread. We do setup work here which needs to happen in the seperate thread.
+/// @brief Runs the simulation thread. We do setup work here which needs to happen in the separate thread.
 void QGCFlightGearLink::run()
 {
     Q_ASSERT(_vehicle);
@@ -497,7 +497,7 @@ bool QGCFlightGearLink::disconnectSimulation()
     return !connectState;
 }
 
-/// @brief Splits a space seperated set of command line arguments into a QStringList.
+/// @brief Splits a space separated set of command line arguments into a QStringList.
 ///         Quoted strings are allowed and handled correctly.
 ///     @param uiArgs Arguments to parse
 ///     @param argList Returned argument list
@@ -602,7 +602,7 @@ bool QGCFlightGearLink::connectSimulation()
     // We setup all the information we need to start FlightGear here such that if something goes
     // wrong we can return false out of here. All of this happens on the main UI thread. Once we
     // have that information setup we start the thread which will call run, which will in turn
-    // start the various FG processes on the seperate thread.
+    // start the various FG processes on the separate thread.
 
     if (!_vehicle->uas()) {
         return false;
@@ -617,7 +617,7 @@ bool QGCFlightGearLink::connectSimulation()
     QDir        fgAppDir;						// Location of main FlightGear application
 
     // Reset the list of arguments which will be provided to FG to the arguments set by the user via the UI
-    // First split the space seperated command line arguments coming in from the ui into a QStringList since
+    // First split the space separated command line arguments coming in from the ui into a QStringList since
     // that is what QProcess::start needs.
     QStringList uiArgList;
     bool mismatchedQuotes = parseUIArguments(startupArguments, uiArgList);
@@ -709,7 +709,7 @@ bool QGCFlightGearLink::connectSimulation()
 
                 regExp.setPattern("^fg_scenery:(.*)");
                 if (regExp.indexIn(line) == 0 && regExp.captureCount() == 1) {
-                    // Scenery can contain multiple paths seperated by ';' so don't do QDir::absolutePath on it
+                    // Scenery can contain multiple paths separated by ';' so don't do QDir::absolutePath on it
                     fgSceneryPath = regExp.cap(1);
                     qDebug() << "fg_scenery" << fgSceneryPath;
                     continue;

src/comm/QGCJSBSimLink.cc

@@ -48,7 +48,7 @@ QGCJSBSimLink::QGCJSBSimLink(Vehicle* vehicle, QString startupArguments, QString
 
 QGCJSBSimLink::~QGCJSBSimLink()
 {   //do not disconnect unless it is connected.
-    //disconnectSimulation will delete the memory that was allocated for proces, terraSync and socket
+    //disconnectSimulation will delete the memory that was allocated for process, terraSync and socket
     if(connectState){
        disconnectSimulation();
     }

src/comm/SerialLink.cc

@@ -88,7 +88,7 @@ void SerialLink::_writeBytes(const QByteArray data)
         _logOutputDataRate(data.size(), QDateTime::currentMSecsSinceEpoch());
         _port->write(data);
     } else {
-        // Error occured
+        // Error occurred
         _emitLinkError(tr("Could not send data - link %1 is disconnected!").arg(getName()));
     }
 }

src/input/Mouse6dofInput.cpp

@@ -240,7 +240,7 @@ void Mouse6dofInput::button3DMouseDown(int button)
 #ifdef QGC_MOUSE_ENABLED_LINUX
 void Mouse6dofInput::handleX11Event(XEvent *event)
 {
-    //qDebug("XEvent occured...");
+    //qDebug("XEvent occurred...");
     if (!mouseActive)
     {
         qDebug() << "3dMouse not initialized. Cancelled handling X11event for 3dMouse";

src/qgcunittest/FileManagerTest.cc

@@ -235,7 +235,7 @@ void FileManagerTest::_readDownloadTest(void)
             _fileManager->downloadPath(testCase->filename, QDir::temp());
             QTest::qWait(_ackTimerTimeoutMsecs); // Let the file manager timeout
             
-            // This should be a succesful download
+            // This should be a successful download
             QCOMPARE(_multiSpy->checkOnlySignalByMask(commandCompleteSignalMask), true);
             _multiSpy->clearAllSignals();
             
@@ -321,7 +321,7 @@ void FileManagerTest::_streamDownloadTest(void)
             _fileManager->streamPath(testCase->filename, QDir::temp());
             QTest::qWait(_ackTimerTimeoutMsecs); // Let the file manager timeout
             
-            // This should be a succesful download
+            // This should be a successful download
             QCOMPARE(_multiSpy->checkOnlySignalByMask(commandCompleteSignalMask), true);
             _multiSpy->clearAllSignals();
             

src/uas/UAS.cc

@@ -1745,7 +1745,7 @@ float UAS::addZeroMeanNoise(float truth_meas, float noise_var)
     //as well
     float noise = z0 * sqrt(noise_var); //calculate normally distributed variable with mu = 0, std = var^2
 
-    //Finally gaurd against any case where the noise is not real
+    //Finally guard against any case where the noise is not real
     if(std::isfinite(noise)) {
             return truth_meas + noise;
     } else {

src/uas/UAS.h

@@ -590,7 +590,7 @@ protected:
     bool componentMulti[256];
     bool connectionLost; ///< Flag indicates a timed out connection
     quint64 connectionLossTime; ///< Time the connection was interrupted
-    quint64 lastVoltageWarning; ///< Time at which the last voltage warning occured
+    quint64 lastVoltageWarning; ///< Time at which the last voltage warning occurred
     quint64 lastNonNullTime;    ///< The last timestamp from the MAV that was not null
     unsigned int onboardTimeOffsetInvalidCount;     ///< Count when the offboard time offset estimation seemed wrong
     bool hilEnabled;

src/uas/UASInterface.h

@@ -192,7 +192,7 @@ signals:
     /**
      * @brief Update the error count of a device
      *
-     * The error count indicates how many errors occured during the use of a device.
+     * The error count indicates how many errors occurred during the use of a device.
      * Usually a random error from time to time is acceptable, e.g. through electromagnetic
      * interferences on device lines like I2C and SPI. A constantly and rapidly increasing
      * error count however can help to identify broken cables or misbehaving drivers.
@@ -200,7 +200,7 @@ signals:
      * @param uasid System ID
      * @param component Name of the component, e.g. "IMU"
      * @param device Name of the device, e.g. "SPI0" or "I2C1"
-     * @param count Errors occured since system startup
+     * @param count Errors occurred since system startup
      */
     void errCountChanged(int uasid, QString component, QString device, int count);
 

src/ui/MainWindow.cc

@@ -405,7 +405,7 @@ void MainWindow::reallyClose(void)
 void MainWindow::closeEvent(QCloseEvent *event)
 {
     if (!_forceClose) {
-        // Attemp close from within the root Qml item
+        // Attempt close from within the root Qml item
         qgcApp()->qmlAttemptWindowClose();
         event->ignore();
         return;

src/ui/QGCDataPlot2D.cc

@@ -680,7 +680,7 @@ bool QGCDataPlot2D::linearRegression(double *x, double *y, int n, double *a, dou
     syy = sumy2 - sumy * sumy / n;
     sxy = sumxy - sumx * sumy / n;
 
-    /* Infinite slope (b), non existant intercept (a) */
+    /* Infinite slope (b), non existent intercept (a) */
     if (fabs(sxx) == 0)
         return false;
 

src/ui/linechart/IncrementalPlot.cc

@@ -128,7 +128,7 @@ void IncrementalPlot::showLegend(bool show)
 }
 
 /**
- * Set datapoint and line style. This interface is intented
+ * Set datapoint and line style. This interface is intended
  * to be directly connected to the UI and allows to parse
  * human-readable, textual descriptions into plot specs.
  *

src/ui/linechart/LinechartPlot.h

@@ -240,9 +240,9 @@ protected:
     // TODO CHECK THIS!!!
     int scaling;
     QwtScaleEngine* yScaleEngine;
-    quint64 minTime; ///< The smallest timestamp occured so far
+    quint64 minTime; ///< The smallest timestamp occurred so far
     quint64 lastTime; ///< Last added timestamp
-    quint64 maxTime; ///< The biggest timestamp occured so far
+    quint64 maxTime; ///< The biggest timestamp occurred so far
     quint64 maxInterval;
     quint64 storageInterval;
 

src/ui/toolbar/MainToolBar.qml

@@ -219,7 +219,7 @@ Rectangle {
 
                 QGCLabel {
                     id:             rssiLabel
-                    text:           activeVehicle ? (activeVehicle.rcRSSI != 255 ? qsTr("RC RSSI Status") : qsTr("RC RSSI Data Unavailable")) : qsTr("N/A", "No data avaliable")
+                    text:           activeVehicle ? (activeVehicle.rcRSSI != 255 ? qsTr("RC RSSI Status") : qsTr("RC RSSI Data Unavailable")) : qsTr("N/A", "No data available")
                     font.family:    ScreenTools.demiboldFontFamily
                     anchors.horizontalCenter: parent.horizontalCenter
                 }

tools/osxrelocator.py

@@ -137,7 +137,7 @@ class Main(object):
         # module
         import optparse
         usage = "usage: %prog [options] directory old_prefix new_prefix"
-        description = 'Rellocates object files changing the dependant '\
+        description = 'Rellocates object files changing the dependent '\
                       ' dynamic libraries location path with a new one'
         parser = optparse.OptionParser(usage=usage, description=description)
         parser.add_option('-r', '--recursive', action='store_true',

tools/prepare_gstreamer_framework.sh

@@ -62,7 +62,7 @@ process_framework() {
     rm -rf $GST_TARGET/lib/libffi-3.0.13
     rm -rf $GST_TARGET/lib/pkgconfig
     rm $GST_TARGET/Commands
-    #-- Now relocate the embeded paths
+    #-- Now relocate the embedded paths
     echo "GST Installer: Relocating"
     python $RELOC -r "$GST_TARGET" "$OLDDLPATH" "$NEWDLPATH" > /dev/null || die "Error relocating binaries in $GST_TARGET/lib"
 }