5 files changed, 401 insertions, 401 deletions

diff --git a/libraries/LocalPeer/src/LocalPeer.cpp b/libraries/LocalPeer/src/LocalPeer.cpp
index f71c62d8..129f3abc 100644
--- a/libraries/LocalPeer/src/LocalPeer.cpp
+++ b/libraries/LocalPeer/src/LocalPeer.cpp
@@ -67,60 +67,60 @@ static const char* ack = "ack";
 
 ApplicationId ApplicationId::fromTraditionalApp()
 {
-	QString protoId = QCoreApplication::applicationFilePath();
+    QString protoId = QCoreApplication::applicationFilePath();
 #if defined(Q_OS_WIN)
-	protoId = protoId.toLower();
+    protoId = protoId.toLower();
 #endif
-	auto prefix = protoId.section(QLatin1Char('/'), -1);
-	prefix.remove(QRegExp("[^a-zA-Z]"));
-	prefix.truncate(6);
-	QByteArray idc = protoId.toUtf8();
-	quint16 idNum = qChecksum(idc.constData(), idc.size());
-	auto socketName = QLatin1String("qtsingleapp-") + prefix + QLatin1Char('-') + QString::number(idNum, 16);
+    auto prefix = protoId.section(QLatin1Char('/'), -1);
+    prefix.remove(QRegExp("[^a-zA-Z]"));
+    prefix.truncate(6);
+    QByteArray idc = protoId.toUtf8();
+    quint16 idNum = qChecksum(idc.constData(), idc.size());
+    auto socketName = QLatin1String("qtsingleapp-") + prefix + QLatin1Char('-') + QString::number(idNum, 16);
 #if defined(Q_OS_WIN)
-	if (!pProcessIdToSessionId)
-	{
-		QLibrary lib("kernel32");
-		pProcessIdToSessionId = (PProcessIdToSessionId)lib.resolve("ProcessIdToSessionId");
-	}
-	if (pProcessIdToSessionId)
-	{
-		DWORD sessionId = 0;
-		pProcessIdToSessionId(GetCurrentProcessId(), &sessionId);
-		socketName += QLatin1Char('-') + QString::number(sessionId, 16);
-	}
+    if (!pProcessIdToSessionId)
+    {
+        QLibrary lib("kernel32");
+        pProcessIdToSessionId = (PProcessIdToSessionId)lib.resolve("ProcessIdToSessionId");
+    }
+    if (pProcessIdToSessionId)
+    {
+        DWORD sessionId = 0;
+        pProcessIdToSessionId(GetCurrentProcessId(), &sessionId);
+        socketName += QLatin1Char('-') + QString::number(sessionId, 16);
+    }
 #else
-	socketName += QLatin1Char('-') + QString::number(::getuid(), 16);
+    socketName += QLatin1Char('-') + QString::number(::getuid(), 16);
 #endif
-	return ApplicationId(socketName);
+    return ApplicationId(socketName);
 }
 
 ApplicationId ApplicationId::fromPathAndVersion(const QString& dataPath, const QString& version)
 {
-	QCryptographicHash shasum(QCryptographicHash::Algorithm::Sha1);
-	QString result = dataPath + QLatin1Char('-') + version;
-	shasum.addData(result.toUtf8());
-	return ApplicationId(QLatin1String("qtsingleapp-") + QString::fromLatin1(shasum.result().toHex()));
+    QCryptographicHash shasum(QCryptographicHash::Algorithm::Sha1);
+    QString result = dataPath + QLatin1Char('-') + version;
+    shasum.addData(result.toUtf8());
+    return ApplicationId(QLatin1String("qtsingleapp-") + QString::fromLatin1(shasum.result().toHex()));
 }
 
 ApplicationId ApplicationId::fromCustomId(const QString& id)
 {
-	return ApplicationId(QLatin1String("qtsingleapp-") + id);
+    return ApplicationId(QLatin1String("qtsingleapp-") + id);
 }
 
 ApplicationId ApplicationId::fromRawString(const QString& id)
 {
-	return ApplicationId(id);
+    return ApplicationId(id);
 }
 
 LocalPeer::LocalPeer(QObject * parent, const ApplicationId &appId)
-	: QObject(parent), id(appId)
+    : QObject(parent), id(appId)
 {
-	socketName = id.toString();
-	server.reset(new QLocalServer());
-	QString lockName = QDir(QDir::tempPath()).absolutePath() + QLatin1Char('/') + socketName + QLatin1String("-lockfile");
-	lockFile.reset(new LockedFile(lockName));
-	lockFile->open(QIODevice::ReadWrite);
+    socketName = id.toString();
+    server.reset(new QLocalServer());
+    QString lockName = QDir(QDir::tempPath()).absolutePath() + QLatin1Char('/') + socketName + QLatin1String("-lockfile");
+    lockFile.reset(new LockedFile(lockName));
+    lockFile->open(QIODevice::ReadWrite);
 }
 
 LocalPeer::~LocalPeer()
@@ -129,113 +129,113 @@ LocalPeer::~LocalPeer()
 
 ApplicationId LocalPeer::applicationId() const
 {
-	return id;
+    return id;
 }
 
 bool LocalPeer::isClient()
 {
-	if (lockFile->isLocked())
-		return false;
+    if (lockFile->isLocked())
+        return false;
 
-	if (!lockFile->lock(LockedFile::WriteLock, false))
-		return true;
+    if (!lockFile->lock(LockedFile::WriteLock, false))
+        return true;
 
-	bool res = server->listen(socketName);
+    bool res = server->listen(socketName);
 #if defined(Q_OS_UNIX)
-	// ### Workaround
-	if (!res && server->serverError() == QAbstractSocket::AddressInUseError) {
-		QFile::remove(QDir::cleanPath(QDir::tempPath())+QLatin1Char('/')+socketName);
-		res = server->listen(socketName);
-	}
+    // ### Workaround
+    if (!res && server->serverError() == QAbstractSocket::AddressInUseError) {
+        QFile::remove(QDir::cleanPath(QDir::tempPath())+QLatin1Char('/')+socketName);
+        res = server->listen(socketName);
+    }
 #endif
-	if (!res)
-		qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
-	QObject::connect(server.get(), SIGNAL(newConnection()), SLOT(receiveConnection()));
-	return false;
+    if (!res)
+        qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
+    QObject::connect(server.get(), SIGNAL(newConnection()), SLOT(receiveConnection()));
+    return false;
 }
 
 
 bool LocalPeer::sendMessage(const QString &message, int timeout)
 {
-	if (!isClient())
-		return false;
-
-	QLocalSocket socket;
-	bool connOk = false;
-	for(int i = 0; i < 2; i++) {
-		// Try twice, in case the other instance is just starting up
-		socket.connectToServer(socketName);
-		connOk = socket.waitForConnected(timeout/2);
-		if (connOk || i)
-		{
-			break;
-		}
-		std::this_thread::sleep_for(std::chrono::milliseconds(250));
-	}
-	if (!connOk)
-	{
-		return false;
-	}
-
-	QByteArray uMsg(message.toUtf8());
-	QDataStream ds(&socket);
-
-	ds.writeBytes(uMsg.constData(), uMsg.size());
-	if(!socket.waitForBytesWritten(timeout))
-	{
-		return false;
-	}
-
-	// wait for 'ack'
-	if(!socket.waitForReadyRead(timeout))
-	{
-		return false;
-	}
-
-	// make sure we got 'ack'
-	if(!(socket.read(qstrlen(ack)) == ack))
-	{
-		return false;
-	}
-	return true;
+    if (!isClient())
+        return false;
+
+    QLocalSocket socket;
+    bool connOk = false;
+    for(int i = 0; i < 2; i++) {
+        // Try twice, in case the other instance is just starting up
+        socket.connectToServer(socketName);
+        connOk = socket.waitForConnected(timeout/2);
+        if (connOk || i)
+        {
+            break;
+        }
+        std::this_thread::sleep_for(std::chrono::milliseconds(250));
+    }
+    if (!connOk)
+    {
+        return false;
+    }
+
+    QByteArray uMsg(message.toUtf8());
+    QDataStream ds(&socket);
+
+    ds.writeBytes(uMsg.constData(), uMsg.size());
+    if(!socket.waitForBytesWritten(timeout))
+    {
+        return false;
+    }
+
+    // wait for 'ack'
+    if(!socket.waitForReadyRead(timeout))
+    {
+        return false;
+    }
+
+    // make sure we got 'ack'
+    if(!(socket.read(qstrlen(ack)) == ack))
+    {
+        return false;
+    }
+    return true;
 }
 
 
 void LocalPeer::receiveConnection()
 {
-	QLocalSocket* socket = server->nextPendingConnection();
-	if (!socket)
-	{
-		return;
-	}
-
-	while (socket->bytesAvailable() < (int)sizeof(quint32))
-	{
-		socket->waitForReadyRead();
-	}
-	QDataStream ds(socket);
-	QByteArray uMsg;
-	quint32 remaining;
-	ds >> remaining;
-	uMsg.resize(remaining);
-	int got = 0;
-	char* uMsgBuf = uMsg.data();
-	do
-	{
-		got = ds.readRawData(uMsgBuf, remaining);
-		remaining -= got;
-		uMsgBuf += got;
-	} while (remaining && got >= 0 && socket->waitForReadyRead(2000));
-	if (got < 0)
-	{
-		qWarning("QtLocalPeer: Message reception failed %s", socket->errorString().toLatin1().constData());
-		delete socket;
-		return;
-	}
-	QString message(QString::fromUtf8(uMsg));
-	socket->write(ack, qstrlen(ack));
-	socket->waitForBytesWritten(1000);
-	socket->waitForDisconnected(1000); // make sure client reads ack
-	delete socket;
-	emit messageReceived(message); //### (might take a long time to return)
+    QLocalSocket* socket = server->nextPendingConnection();
+    if (!socket)
+    {
+        return;
+    }
+
+    while (socket->bytesAvailable() < (int)sizeof(quint32))
+    {
+        socket->waitForReadyRead();
+    }
+    QDataStream ds(socket);
+    QByteArray uMsg;
+    quint32 remaining;
+    ds >> remaining;
+    uMsg.resize(remaining);
+    int got = 0;
+    char* uMsgBuf = uMsg.data();
+    do
+    {
+        got = ds.readRawData(uMsgBuf, remaining);
+        remaining -= got;
+        uMsgBuf += got;
+    } while (remaining && got >= 0 && socket->waitForReadyRead(2000));
+    if (got < 0)
+    {
+        qWarning("QtLocalPeer: Message reception failed %s", socket->errorString().toLatin1().constData());
+        delete socket;
+        return;
+    }
+    QString message(QString::fromUtf8(uMsg));
+    socket->write(ack, qstrlen(ack));
+    socket->waitForBytesWritten(1000);
+    socket->waitForDisconnected(1000); // make sure client reads ack
+    delete socket;
+    emit messageReceived(message); //### (might take a long time to return)
 }
diff --git a/libraries/LocalPeer/src/LockedFile.cpp b/libraries/LocalPeer/src/LockedFile.cpp
index a4951bfe..73294a16 100644
--- a/libraries/LocalPeer/src/LockedFile.cpp
+++ b/libraries/LocalPeer/src/LockedFile.cpp
@@ -41,70 +41,70 @@
 #include "LockedFile.h"
 
 /*!
-	\class QtLockedFile
-
-	\brief The QtLockedFile class extends QFile with advisory locking
-	functions.
-
-	A file may be locked in read or write mode. Multiple instances of
-	\e QtLockedFile, created in multiple processes running on the same
-	machine, may have a file locked in read mode. Exactly one instance
-	may have it locked in write mode. A read and a write lock cannot
-	exist simultaneously on the same file.
-
-	The file locks are advisory. This means that nothing prevents
-	another process from manipulating a locked file using QFile or
-	file system functions offered by the OS. Serialization is only
-	guaranteed if all processes that access the file use
-	QLockedFile. Also, while holding a lock on a file, a process
-	must not open the same file again (through any API), or locks
-	can be unexpectedly lost.
-
-	The lock provided by an instance of \e QtLockedFile is released
-	whenever the program terminates. This is true even when the
-	program crashes and no destructors are called.
+    \class QtLockedFile
+
+    \brief The QtLockedFile class extends QFile with advisory locking
+    functions.
+
+    A file may be locked in read or write mode. Multiple instances of
+    \e QtLockedFile, created in multiple processes running on the same
+    machine, may have a file locked in read mode. Exactly one instance
+    may have it locked in write mode. A read and a write lock cannot
+    exist simultaneously on the same file.
+
+    The file locks are advisory. This means that nothing prevents
+    another process from manipulating a locked file using QFile or
+    file system functions offered by the OS. Serialization is only
+    guaranteed if all processes that access the file use
+    QLockedFile. Also, while holding a lock on a file, a process
+    must not open the same file again (through any API), or locks
+    can be unexpectedly lost.
+
+    The lock provided by an instance of \e QtLockedFile is released
+    whenever the program terminates. This is true even when the
+    program crashes and no destructors are called.
 */
 
 /*! \enum QtLockedFile::LockMode
 
-	This enum describes the available lock modes.
+    This enum describes the available lock modes.
 
-	\value ReadLock A read lock.
-	\value WriteLock A write lock.
-	\value NoLock Neither a read lock nor a write lock.
+    \value ReadLock A read lock.
+    \value WriteLock A write lock.
+    \value NoLock Neither a read lock nor a write lock.
 */
 
 /*!
-	Constructs an unlocked \e QtLockedFile object. This constructor
-	behaves in the same way as \e QFile::QFile().
+    Constructs an unlocked \e QtLockedFile object. This constructor
+    behaves in the same way as \e QFile::QFile().
 
-	\sa QFile::QFile()
+    \sa QFile::QFile()
 */
 LockedFile::LockedFile()
-	: QFile()
+    : QFile()
 {
 #ifdef Q_OS_WIN
-	wmutex = 0;
-	rmutex = 0;
+    wmutex = 0;
+    rmutex = 0;
 #endif
-	m_lock_mode = NoLock;
+    m_lock_mode = NoLock;
 }
 
 /*!
-	Constructs an unlocked QtLockedFile object with file \a name. This
-	constructor behaves in the same way as \e QFile::QFile(const
-	QString&).
+    Constructs an unlocked QtLockedFile object with file \a name. This
+    constructor behaves in the same way as \e QFile::QFile(const
+    QString&).
 
-	\sa QFile::QFile()
+    \sa QFile::QFile()
 */
 LockedFile::LockedFile(const QString &name)
-	: QFile(name)
+    : QFile(name)
 {
 #ifdef Q_OS_WIN
-	wmutex = 0;
-	rmutex = 0;
+    wmutex = 0;
+    rmutex = 0;
 #endif
-	m_lock_mode = NoLock;
+    m_lock_mode = NoLock;
 }
 
 /*!
@@ -122,72 +122,72 @@ Returns true if successful; otherwise false.
 */
 bool LockedFile::open(OpenMode mode)
 {
-	if (mode & QIODevice::Truncate) {
-		qWarning("QtLockedFile::open(): Truncate mode not allowed.");
-		return false;
-	}
-	return QFile::open(mode);
+    if (mode & QIODevice::Truncate) {
+        qWarning("QtLockedFile::open(): Truncate mode not allowed.");
+        return false;
+    }
+    return QFile::open(mode);
 }
 
 /*!
-	Returns \e true if this object has a in read or write lock;
-	otherwise returns \e false.
+    Returns \e true if this object has a in read or write lock;
+    otherwise returns \e false.
 
-	\sa lockMode()
+    \sa lockMode()
 */
 bool LockedFile::isLocked() const
 {
-	return m_lock_mode != NoLock;
+    return m_lock_mode != NoLock;
 }
 
 /*!
-	Returns the type of lock currently held by this object, or \e
-	QtLockedFile::NoLock.
+    Returns the type of lock currently held by this object, or \e
+    QtLockedFile::NoLock.
 
-	\sa isLocked()
+    \sa isLocked()
 */
 LockedFile::LockMode LockedFile::lockMode() const
 {
-	return m_lock_mode;
+    return m_lock_mode;
 }
 
 /*!
-	\fn bool QtLockedFile::lock(LockMode mode, bool block = true)
+    \fn bool QtLockedFile::lock(LockMode mode, bool block = true)
 
-	Obtains a lock of type \a mode. The file must be opened before it
-	can be locked.
+    Obtains a lock of type \a mode. The file must be opened before it
+    can be locked.
 
-	If \a block is true, this function will block until the lock is
-	aquired. If \a block is false, this function returns \e false
-	immediately if the lock cannot be aquired.
+    If \a block is true, this function will block until the lock is
+    aquired. If \a block is false, this function returns \e false
+    immediately if the lock cannot be aquired.
 
-	If this object already has a lock of type \a mode, this function
-	returns \e true immediately. If this object has a lock of a
-	different type than \a mode, the lock is first released and then a
-	new lock is obtained.
+    If this object already has a lock of type \a mode, this function
+    returns \e true immediately. If this object has a lock of a
+    different type than \a mode, the lock is first released and then a
+    new lock is obtained.
 
-	This function returns \e true if, after it executes, the file is
-	locked by this object, and \e false otherwise.
+    This function returns \e true if, after it executes, the file is
+    locked by this object, and \e false otherwise.
 
-	\sa unlock(), isLocked(), lockMode()
+    \sa unlock(), isLocked(), lockMode()
 */
 
 /*!
-	\fn bool QtLockedFile::unlock()
+    \fn bool QtLockedFile::unlock()
 
-	Releases a lock.
+    Releases a lock.
 
-	If the object has no lock, this function returns immediately.
+    If the object has no lock, this function returns immediately.
 
-	This function returns \e true if, after it executes, the file is
-	not locked by this object, and \e false otherwise.
+    This function returns \e true if, after it executes, the file is
+    not locked by this object, and \e false otherwise.
 
-	\sa lock(), isLocked(), lockMode()
+    \sa lock(), isLocked(), lockMode()
 */
 
 /*!
-	\fn QtLockedFile::~QtLockedFile()
+    \fn QtLockedFile::~QtLockedFile()
 
-	Destroys the \e QtLockedFile object. If any locks were held, they
-	are released.
+    Destroys the \e QtLockedFile object. If any locks were held, they
+    are released.
 */
diff --git a/libraries/LocalPeer/src/LockedFile.h b/libraries/LocalPeer/src/LockedFile.h
index 8c178250..2f29ee20 100644
--- a/libraries/LocalPeer/src/LockedFile.h
+++ b/libraries/LocalPeer/src/LockedFile.h
@@ -48,30 +48,30 @@
 class LockedFile : public QFile
 {
 public:
-	enum LockMode { NoLock = 0, ReadLock, WriteLock };
+    enum LockMode { NoLock = 0, ReadLock, WriteLock };
 
-	LockedFile();
-	LockedFile(const QString &name);
-	~LockedFile();
+    LockedFile();
+    LockedFile(const QString &name);
+    ~LockedFile();
 
-	bool open(OpenMode mode);
+    bool open(OpenMode mode);
 
-	bool lock(LockMode mode, bool block = true);
-	bool unlock();
-	bool isLocked() const;
-	LockMode lockMode() const;
+    bool lock(LockMode mode, bool block = true);
+    bool unlock();
+    bool isLocked() const;
+    LockMode lockMode() const;
 
-	private:
+    private:
 
 #ifdef Q_OS_WIN
-	Qt::HANDLE wmutex;
-	Qt::HANDLE rmutex;
-	QVector<Qt::HANDLE> rmutexes;
-	QString mutexname;
+    Qt::HANDLE wmutex;
+    Qt::HANDLE rmutex;
+    QVector<Qt::HANDLE> rmutexes;
+    QString mutexname;
 
-	Qt::HANDLE getMutexHandle(int idx, bool doCreate);
-	bool waitMutex(Qt::HANDLE mutex, bool doBlock);
+    Qt::HANDLE getMutexHandle(int idx, bool doCreate);
+    bool waitMutex(Qt::HANDLE mutex, bool doBlock);
 #endif
 
-	LockMode m_lock_mode;
+    LockMode m_lock_mode;
 };
diff --git a/libraries/LocalPeer/src/LockedFile_unix.cpp b/libraries/LocalPeer/src/LockedFile_unix.cpp
index 4b68916c..6becc89e 100644
--- a/libraries/LocalPeer/src/LockedFile_unix.cpp
+++ b/libraries/LocalPeer/src/LockedFile_unix.cpp
@@ -47,68 +47,68 @@
 
 bool LockedFile::lock(LockMode mode, bool block)
 {
-	if (!isOpen()) {
-		qWarning("QtLockedFile::lock(): file is not opened");
-		return false;
-	}
+    if (!isOpen()) {
+        qWarning("QtLockedFile::lock(): file is not opened");
+        return false;
+    }
 
-	if (mode == NoLock)
-		return unlock();
+    if (mode == NoLock)
+        return unlock();
 
-	if (mode == m_lock_mode)
-		return true;
+    if (mode == m_lock_mode)
+        return true;
 
-	if (m_lock_mode != NoLock)
-		unlock();
+    if (m_lock_mode != NoLock)
+        unlock();
 
-	struct flock fl;
-	fl.l_whence = SEEK_SET;
-	fl.l_start = 0;
-	fl.l_len = 0;
-	fl.l_type = (mode == ReadLock) ? F_RDLCK : F_WRLCK;
-	int cmd = block ? F_SETLKW : F_SETLK;
-	int ret = fcntl(handle(), cmd, &fl);
+    struct flock fl;
+    fl.l_whence = SEEK_SET;
+    fl.l_start = 0;
+    fl.l_len = 0;
+    fl.l_type = (mode == ReadLock) ? F_RDLCK : F_WRLCK;
+    int cmd = block ? F_SETLKW : F_SETLK;
+    int ret = fcntl(handle(), cmd, &fl);
 
-	if (ret == -1) {
-		if (errno != EINTR && errno != EAGAIN)
-			qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
-		return false;
-	}
+    if (ret == -1) {
+        if (errno != EINTR && errno != EAGAIN)
+            qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
+        return false;
+    }
 
 
-	m_lock_mode = mode;
-	return true;
+    m_lock_mode = mode;
+    return true;
 }
 
 
 bool LockedFile::unlock()
 {
-	if (!isOpen()) {
-		qWarning("QtLockedFile::unlock(): file is not opened");
-		return false;
-	}
-
-	if (!isLocked())
-		return true;
-
-	struct flock fl;
-	fl.l_whence = SEEK_SET;
-	fl.l_start = 0;
-	fl.l_len = 0;
-	fl.l_type = F_UNLCK;
-	int ret = fcntl(handle(), F_SETLKW, &fl);
-
-	if (ret == -1) {
-		qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
-		return false;
-	}
-
-	m_lock_mode = NoLock;
-	return true;
+    if (!isOpen()) {
+        qWarning("QtLockedFile::unlock(): file is not opened");
+        return false;
+    }
+
+    if (!isLocked())
+        return true;
+
+    struct flock fl;
+    fl.l_whence = SEEK_SET;
+    fl.l_start = 0;
+    fl.l_len = 0;
+    fl.l_type = F_UNLCK;
+    int ret = fcntl(handle(), F_SETLKW, &fl);
+
+    if (ret == -1) {
+        qWarning("QtLockedFile::lock(): fcntl: %s", strerror(errno));
+        return false;
+    }
+
+    m_lock_mode = NoLock;
+    return true;
 }
 
 LockedFile::~LockedFile()
 {
-	if (isOpen())
-		unlock();
+    if (isOpen())
+        unlock();
 }
diff --git a/libraries/LocalPeer/src/LockedFile_win.cpp b/libraries/LocalPeer/src/LockedFile_win.cpp
index f93ef27f..93d2c73b 100644
--- a/libraries/LocalPeer/src/LockedFile_win.cpp
+++ b/libraries/LocalPeer/src/LockedFile_win.cpp
@@ -48,158 +48,158 @@
 
 Qt::HANDLE LockedFile::getMutexHandle(int idx, bool doCreate)
 {
-	if (mutexname.isEmpty()) {
-		QFileInfo fi(*this);
-		mutexname = QString::fromLatin1(MUTEX_PREFIX)
-					+ fi.absoluteFilePath().toLower();
-	}
-	QString mname(mutexname);
-	if (idx >= 0)
-		mname += QString::number(idx);
-
-	Qt::HANDLE mutex;
-	if (doCreate) {
-		mutex = CreateMutexW(NULL, FALSE, (LPCWSTR)mname.utf16());
-		if (!mutex) {
-			qErrnoWarning("QtLockedFile::lock(): CreateMutex failed");
-			return 0;
-		}
-	}
-	else {
-		OpenMutexW(SYNCHRONIZE | MUTEX_MODIFY_STATE, FALSE, (LPCWSTR)mname.utf16());
-		if (!mutex) {
-			if (GetLastError() != ERROR_FILE_NOT_FOUND)
-				qErrnoWarning("QtLockedFile::lock(): OpenMutex failed");
-			return 0;
-		}
-	}
-	return mutex;
+    if (mutexname.isEmpty()) {
+        QFileInfo fi(*this);
+        mutexname = QString::fromLatin1(MUTEX_PREFIX)
+                    + fi.absoluteFilePath().toLower();
+    }
+    QString mname(mutexname);
+    if (idx >= 0)
+        mname += QString::number(idx);
+
+    Qt::HANDLE mutex;
+    if (doCreate) {
+        mutex = CreateMutexW(NULL, FALSE, (LPCWSTR)mname.utf16());
+        if (!mutex) {
+            qErrnoWarning("QtLockedFile::lock(): CreateMutex failed");
+            return 0;
+        }
+    }
+    else {
+        mutex = OpenMutexW(SYNCHRONIZE | MUTEX_MODIFY_STATE, FALSE, (LPCWSTR)mname.utf16());
+        if (!mutex) {
+            if (GetLastError() != ERROR_FILE_NOT_FOUND)
+                qErrnoWarning("QtLockedFile::lock(): OpenMutex failed");
+            return 0;
+        }
+    }
+    return mutex;
 }
 
 bool LockedFile::waitMutex(Qt::HANDLE mutex, bool doBlock)
 {
-	Q_ASSERT(mutex);
-	DWORD res = WaitForSingleObject(mutex, doBlock ? INFINITE : 0);
-	switch (res) {
-	case WAIT_OBJECT_0:
-	case WAIT_ABANDONED:
-		return true;
-		break;
-	case WAIT_TIMEOUT:
-		break;
-	default:
-		qErrnoWarning("QtLockedFile::lock(): WaitForSingleObject failed");
-	}
-	return false;
+    Q_ASSERT(mutex);
+    DWORD res = WaitForSingleObject(mutex, doBlock ? INFINITE : 0);
+    switch (res) {
+    case WAIT_OBJECT_0:
+    case WAIT_ABANDONED:
+        return true;
+        break;
+    case WAIT_TIMEOUT:
+        break;
+    default:
+        qErrnoWarning("QtLockedFile::lock(): WaitForSingleObject failed");
+    }
+    return false;
 }
 
 
 
 bool LockedFile::lock(LockMode mode, bool block)
 {
-	if (!isOpen()) {
-		qWarning("QtLockedFile::lock(): file is not opened");
-		return false;
-	}
-
-	if (mode == NoLock)
-		return unlock();
-
-	if (mode == m_lock_mode)
-		return true;
-
-	if (m_lock_mode != NoLock)
-		unlock();
-
-	if (!wmutex && !(wmutex = getMutexHandle(-1, true)))
-		return false;
-
-	if (!waitMutex(wmutex, block))
-		return false;
-
-	if (mode == ReadLock) {
-		int idx = 0;
-		for (; idx < MAX_READERS; idx++) {
-			rmutex = getMutexHandle(idx, false);
-			if (!rmutex || waitMutex(rmutex, false))
-				break;
-			CloseHandle(rmutex);
-		}
-		bool ok = true;
-		if (idx >= MAX_READERS) {
-			qWarning("QtLockedFile::lock(): too many readers");
-			rmutex = 0;
-			ok = false;
-		}
-		else if (!rmutex) {
-			rmutex = getMutexHandle(idx, true);
-			if (!rmutex || !waitMutex(rmutex, false))
-				ok = false;
-		}
-		if (!ok && rmutex) {
-			CloseHandle(rmutex);
-			rmutex = 0;
-		}
-		ReleaseMutex(wmutex);
-		if (!ok)
-			return false;
-	}
-	else {
-		Q_ASSERT(rmutexes.isEmpty());
-		for (int i = 0; i < MAX_READERS; i++) {
-			Qt::HANDLE mutex = getMutexHandle(i, false);
-			if (mutex)
-				rmutexes.append(mutex);
-		}
-		if (rmutexes.size()) {
-			DWORD res = WaitForMultipleObjects(rmutexes.size(), rmutexes.constData(),
-											TRUE, block ? INFINITE : 0);
-			if (res != WAIT_OBJECT_0 && res != WAIT_ABANDONED) {
-				if (res != WAIT_TIMEOUT)
-					qErrnoWarning("QtLockedFile::lock(): WaitForMultipleObjects failed");
-				m_lock_mode = WriteLock;  // trick unlock() to clean up - semiyucky
-				unlock();
-				return false;
-			}
-		}
-	}
-
-	m_lock_mode = mode;
-	return true;
+    if (!isOpen()) {
+        qWarning("QtLockedFile::lock(): file is not opened");
+        return false;
+    }
+
+    if (mode == NoLock)
+        return unlock();
+
+    if (mode == m_lock_mode)
+        return true;
+
+    if (m_lock_mode != NoLock)
+        unlock();
+
+    if (!wmutex && !(wmutex = getMutexHandle(-1, true)))
+        return false;
+
+    if (!waitMutex(wmutex, block))
+        return false;
+
+    if (mode == ReadLock) {
+        int idx = 0;
+        for (; idx < MAX_READERS; idx++) {
+            rmutex = getMutexHandle(idx, false);
+            if (!rmutex || waitMutex(rmutex, false))
+                break;
+            CloseHandle(rmutex);
+        }
+        bool ok = true;
+        if (idx >= MAX_READERS) {
+            qWarning("QtLockedFile::lock(): too many readers");
+            rmutex = 0;
+            ok = false;
+        }
+        else if (!rmutex) {
+            rmutex = getMutexHandle(idx, true);
+            if (!rmutex || !waitMutex(rmutex, false))
+                ok = false;
+        }
+        if (!ok && rmutex) {
+            CloseHandle(rmutex);
+            rmutex = 0;
+        }
+        ReleaseMutex(wmutex);
+        if (!ok)
+            return false;
+    }
+    else {
+        Q_ASSERT(rmutexes.isEmpty());
+        for (int i = 0; i < MAX_READERS; i++) {
+            Qt::HANDLE mutex = getMutexHandle(i, false);
+            if (mutex)
+                rmutexes.append(mutex);
+        }
+        if (rmutexes.size()) {
+            DWORD res = WaitForMultipleObjects(rmutexes.size(), rmutexes.constData(),
+                                            TRUE, block ? INFINITE : 0);
+            if (res != WAIT_OBJECT_0 && res != WAIT_ABANDONED) {
+                if (res != WAIT_TIMEOUT)
+                    qErrnoWarning("QtLockedFile::lock(): WaitForMultipleObjects failed");
+                m_lock_mode = WriteLock;  // trick unlock() to clean up - semiyucky
+                unlock();
+                return false;
+            }
+        }
+    }
+
+    m_lock_mode = mode;
+    return true;
 }
 
 bool LockedFile::unlock()
 {
-	if (!isOpen()) {
-		qWarning("QtLockedFile::unlock(): file is not opened");
-		return false;
-	}
-
-	if (!isLocked())
-		return true;
-
-	if (m_lock_mode == ReadLock) {
-		ReleaseMutex(rmutex);
-		CloseHandle(rmutex);
-		rmutex = 0;
-	}
-	else {
-		foreach(Qt::HANDLE mutex, rmutexes) {
-			ReleaseMutex(mutex);
-			CloseHandle(mutex);
-		}
-		rmutexes.clear();
-		ReleaseMutex(wmutex);
-	}
-
-	m_lock_mode = LockedFile::NoLock;
-	return true;
+    if (!isOpen()) {
+        qWarning("QtLockedFile::unlock(): file is not opened");
+        return false;
+    }
+
+    if (!isLocked())
+        return true;
+
+    if (m_lock_mode == ReadLock) {
+        ReleaseMutex(rmutex);
+        CloseHandle(rmutex);
+        rmutex = 0;
+    }
+    else {
+        foreach(Qt::HANDLE mutex, rmutexes) {
+            ReleaseMutex(mutex);
+            CloseHandle(mutex);
+        }
+        rmutexes.clear();
+        ReleaseMutex(wmutex);
+    }
+
+    m_lock_mode = LockedFile::NoLock;
+    return true;
 }
 
 LockedFile::~LockedFile()
 {
-	if (isOpen())
-		unlock();
-	if (wmutex)
-		CloseHandle(wmutex);
+    if (isOpen())
+        unlock();
+    if (wmutex)
+        CloseHandle(wmutex);
 }