Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	tools/assistant/tools/assistant/centralwidget.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/qdoc3/test/assistant.qdocconf
	tools/qdoc3/test/designer.qdocconf
	tools/qdoc3/test/linguist.qdocconf
	tools/qdoc3/test/qmake.qdocconf

4 files changed, 48 insertions, 49 deletions

diff --git a/src/corelib/io/qfilesystemwatcher_symbian.cpp b/src/corelib/io/qfilesystemwatcher_symbian.cpp
index 69daae7..6136742 100644
--- a/src/corelib/io/qfilesystemwatcher_symbian.cpp
+++ b/src/corelib/io/qfilesystemwatcher_symbian.cpp
@@ -106,7 +106,7 @@ void QNotifyChangeEvent::DoCancel()
 }
 
 QSymbianFileSystemWatcherEngine::QSymbianFileSystemWatcherEngine() :
-        errorCode(KErrNone), watcherStarted(false)
+        watcherStarted(false)
 {
     moveToThread(this);
 }
@@ -122,11 +122,7 @@ QStringList QSymbianFileSystemWatcherEngine::addPaths(const QStringList &paths,
     QMutexLocker locker(&mutex);
     QStringList p = paths;
 
-    if (!startWatcher()) {
-        qWarning("Could not start QSymbianFileSystemWatcherEngine thread");
-
-        return p;
-    }
+    startWatcher();
 
     QMutableListIterator<QString> it(p);
     while (it.hasNext()) {
@@ -150,18 +146,17 @@ QStringList QSymbianFileSystemWatcherEngine::addPaths(const QStringList &paths,
             filePath += QChar(L'/');
         }
 
-        currentEvent = NULL;
+        currentAddEvent = NULL;
         QMetaObject::invokeMethod(this,
                                   "addNativeListener",
                                   Qt::QueuedConnection,
                                   Q_ARG(QString, filePath));
 
         syncCondition.wait(&mutex);
+        if (currentAddEvent) {
+            currentAddEvent->isDir = isDir;
 
-        if (currentEvent) {
-            currentEvent->isDir = isDir;
-
-            activeObjectToPath.insert(currentEvent, path);
+            activeObjectToPath.insert(currentAddEvent, path);
             it.remove();
 
             if (isDir)
@@ -185,10 +180,10 @@ QStringList QSymbianFileSystemWatcherEngine::removePaths(const QStringList &path
     while (it.hasNext()) {
         QString path = it.next();
 
-        currentEvent = activeObjectToPath.key(path);
-        if (!currentEvent)
+        currentRemoveEvent = activeObjectToPath.key(path);
+        if (!currentRemoveEvent)
             continue;
-        activeObjectToPath.remove(currentEvent);
+        activeObjectToPath.remove(currentRemoveEvent);
 
         QMetaObject::invokeMethod(this,
                                   "removeNativeListener",
@@ -202,9 +197,6 @@ QStringList QSymbianFileSystemWatcherEngine::removePaths(const QStringList &path
         directories->removeAll(path);
     }
 
-    if (activeObjectToPath.size() == 0)
-        stop();
-
     return p;
 }
 
@@ -228,44 +220,31 @@ void QSymbianFileSystemWatcherEngine::stop()
 }
 
 // This method must be called inside mutex
-bool QSymbianFileSystemWatcherEngine::startWatcher()
+void QSymbianFileSystemWatcherEngine::startWatcher()
 {
-    bool retval = true;
-
     if (!watcherStarted) {
         setStackSize(0x5000);
         start();
         syncCondition.wait(&mutex);
-
-        if (errorCode != KErrNone) {
-            retval = false;
-        } else {
-            watcherStarted = true;
-        }
+        watcherStarted = true;
     }
-    return retval;
 }
 
 
 void QSymbianFileSystemWatcherEngine::run()
 {
-    // Initialize file session
-
     mutex.lock();
     syncCondition.wakeOne();
     mutex.unlock();
 
-    if (errorCode == KErrNone) {
-        exec();
+    exec();
 
-        foreach(QNotifyChangeEvent *e, activeObjectToPath.keys()) {
-            e->Cancel();
-            delete e;
-        }
-
-        activeObjectToPath.clear();
-        watcherStarted = false;
+    foreach(QNotifyChangeEvent *e, activeObjectToPath.keys()) {
+        e->Cancel();
+        delete e;
     }
+
+    activeObjectToPath.clear();
 }
 
 void QSymbianFileSystemWatcherEngine::addNativeListener(const QString &directoryPath)
@@ -273,16 +252,16 @@ void QSymbianFileSystemWatcherEngine::addNativeListener(const QString &directory
     QMutexLocker locker(&mutex);
     QString nativeDir(QDir::toNativeSeparators(directoryPath));
     TPtrC ptr(qt_QString2TPtrC(nativeDir));
-    currentEvent = new QNotifyChangeEvent(qt_s60GetRFs(), ptr, this, directoryPath.endsWith(QChar(L'/'), Qt::CaseSensitive));
+    currentAddEvent = new QNotifyChangeEvent(qt_s60GetRFs(), ptr, this, directoryPath.endsWith(QChar(L'/'), Qt::CaseSensitive));
     syncCondition.wakeOne();
 }
 
 void QSymbianFileSystemWatcherEngine::removeNativeListener()
 {
     QMutexLocker locker(&mutex);
-    currentEvent->Cancel();
-    delete currentEvent;
-    currentEvent = NULL;
+    currentRemoveEvent->Cancel();
+    delete currentRemoveEvent;
+    currentRemoveEvent = NULL;
     syncCondition.wakeOne();
 }
 
diff --git a/src/corelib/io/qfilesystemwatcher_symbian_p.h b/src/corelib/io/qfilesystemwatcher_symbian_p.h
index 7e3f045..e687a4a 100644
--- a/src/corelib/io/qfilesystemwatcher_symbian_p.h
+++ b/src/corelib/io/qfilesystemwatcher_symbian_p.h
@@ -113,14 +113,14 @@ private:
     friend class QNotifyChangeEvent;
     void emitPathChanged(QNotifyChangeEvent *e);
 
-    bool startWatcher();
+    void startWatcher();
 
     QHash<QNotifyChangeEvent*, QString> activeObjectToPath;
     QMutex mutex;
     QWaitCondition syncCondition;
-    int errorCode;
     bool watcherStarted;
-    QNotifyChangeEvent *currentEvent;
+    QNotifyChangeEvent *currentAddEvent;
+    QNotifyChangeEvent *currentRemoveEvent;
 };
 
 #endif // QT_NO_FILESYSTEMWATCHER
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp
index bb11d6b..223df9b 100644
--- a/src/corelib/io/qiodevice.cpp
+++ b/src/corelib/io/qiodevice.cpp
@@ -810,6 +810,9 @@ qint64 QIODevice::read(char *data, qint64 maxSize)
                 }
             }
 
+            if (!maxSize)
+                return readSoFar;
+
             if ((d->openMode & Unbuffered) == 0 && maxSize < QIODEVICE_BUFFERSIZE) {
                 // In buffered mode, we try to fill up the QIODevice buffer before
                 // we do anything else.
diff --git a/src/corelib/io/qurl.cpp b/src/corelib/io/qurl.cpp
index 4e580dd..79a8ce4 100644
--- a/src/corelib/io/qurl.cpp
+++ b/src/corelib/io/qurl.cpp
@@ -345,6 +345,7 @@ public:
     bool hasQuery;
     bool hasFragment;
     bool isValid;
+    bool isHostValid;
 
     char valueDelimiter;
     char pairDelimiter;
@@ -3138,10 +3139,11 @@ static void toPunycodeHelper(const QChar *s, int ucLength, QString *output)
 
 
 static const char * const idn_whitelist[] = {
-    "ac", "at",
-    "br",
+    "ac", "ar", "at",
+    "biz", "br",
     "cat", "ch", "cl", "cn",
     "de", "dk",
+    "es",
     "fi",
     "gr",
     "hu",
@@ -3155,6 +3157,9 @@ static const char * const idn_whitelist[] = {
     "se", "sh",
     "th", "tm", "tw",
     "vn",
+    "xn--mgbaam7a8h",           // UAE
+    "xn--mgberp4a5d4ar",        // Saudi Arabia
+    "xn--wgbh1c"                // Egypt
 };
 
 static QStringList *user_idn_whitelist = 0;
@@ -3313,6 +3318,7 @@ static QString qt_ACE_do(const QString &domain, AceOperation op)
             qt_nameprep(&result, prevLen);
             labelLength = result.length() - prevLen;
             register int toReserve = labelLength + 4 + 6; // "xn--" plus some extra bytes
+            aceForm.resize(0);
             if (toReserve > aceForm.capacity())
                 aceForm.reserve(toReserve);
             toPunycodeHelper(result.constData() + prevLen, result.size() - prevLen, &aceForm);
@@ -3349,6 +3355,7 @@ QUrlPrivate::QUrlPrivate()
     ref = 1;
     port = -1;
     isValid = false;
+    isHostValid = true;
     parsingMode = QUrl::TolerantMode;
     valueDelimiter = '=';
     pairDelimiter = '&';
@@ -3375,6 +3382,7 @@ QUrlPrivate::QUrlPrivate(const QUrlPrivate &copy)
       hasQuery(copy.hasQuery),
       hasFragment(copy.hasFragment),
       isValid(copy.isValid),
+      isHostValid(copy.isHostValid),
       valueDelimiter(copy.valueDelimiter),
       pairDelimiter(copy.pairDelimiter),
       stateFlags(copy.stateFlags),
@@ -3405,6 +3413,8 @@ QString QUrlPrivate::canonicalHost() const
             that->host = host.toLower();
     } else {
         that->host = qt_ACE_do(host, NormalizeAce);
+        if (that->host.isNull())
+            that->isHostValid = false;
     }
     return that->host;
 }
@@ -3481,6 +3491,7 @@ QString QUrlPrivate::authority(QUrl::FormattingOptions options) const
 
 void QUrlPrivate::setAuthority(const QString &auth)
 {
+    isHostValid = true;
     if (auth.isEmpty()) {
         setUserInfo(QString());
         host.clear();
@@ -4175,7 +4186,7 @@ bool QUrl::isValid() const
     if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
     if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Validated)) d->validate();
 
-    return d->isValid;
+    return d->isValid && d->isHostValid;
 }
 
 /*!
@@ -4427,7 +4438,6 @@ void QUrl::setAuthority(const QString &authority)
     if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
     detach();
     QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized);
-
     d->setAuthority(authority);
 }
 
@@ -4648,6 +4658,7 @@ void QUrl::setHost(const QString &host)
     if (!d) d = new QUrlPrivate;
     if (!QURL_HASFLAG(d->stateFlags, QUrlPrivate::Parsed)) d->parse();
     detach();
+    d->isHostValid = true;
     QURL_UNSETFLAG(d->stateFlags, QUrlPrivate::Validated | QUrlPrivate::Normalized | QUrlPrivate::HostCanonicalized);
 
     d->host = host;
@@ -5557,6 +5568,12 @@ QUrl QUrl::resolved(const QUrl &relative) const
     removeDotsFromPath(&t.d->encodedPath);
     t.d->path.clear();
 
+#if defined(QURL_DEBUG)
+    qDebug("QUrl(\"%s\").resolved(\"%s\") = \"%s\"",
+           toEncoded().constData(),
+           relative.toEncoded().constData(),
+           t.toEncoded().constData());
+#endif
     return t;
 }