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

Conflicts:
	mkspecs/features/symbian/symbian_building.prf
	src/network/access/qhttpnetworkconnectionchannel.cpp

17 files changed, 94 insertions, 45 deletions

diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index 131764b..7235459 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -88,6 +88,12 @@
 #define CSIDL_APPDATA		0x001a	// <username>\Application Data
 #endif
 
+#ifdef Q_AUTOTEST_EXPORT
+#  define Q_AUTOTEST_EXPORT_HELPER Q_AUTOTEST_EXPORT
+#else
+#  define Q_AUTOTEST_EXPORT_HELPER static
+#endif
+
 // ************************************************************************
 // QConfFile
 
@@ -134,7 +140,7 @@ QT_BEGIN_INCLUDE_NAMESPACE
 # include <sys/mount.h>
 QT_END_INCLUDE_NAMESPACE
 
-static bool isLikelyToBeNfs(int handle)
+Q_AUTOTEST_EXPORT_HELPER bool qIsLikelyToBeNfs(int handle)
 {
     struct statfs buf;
     if (fstatfs(handle, &buf) != 0)
@@ -160,7 +166,7 @@ QT_END_INCLUDE_NAMESPACE
 #  define AUTOFSNG_SUPER_MAGIC  0x7d92b1a0
 # endif
 
-static bool isLikelyToBeNfs(int handle)
+Q_AUTOTEST_EXPORT_HELPER bool qIsLikelyToBeNfs(int handle)
 {
     struct statfs buf;
     if (fstatfs(handle, &buf) != 0)
@@ -177,7 +183,7 @@ QT_BEGIN_INCLUDE_NAMESPACE
 # include <sys/statvfs.h>
 QT_END_INCLUDE_NAMESPACE
 
-static bool isLikelyToBeNfs(int handle)
+Q_AUTOTEST_EXPORT_HELPER bool qIsLikelyToBeNfs(int handle)
 {
     struct statvfs buf;
     if (fstatvfs(handle, &buf) != 0)
@@ -189,7 +195,7 @@ static bool isLikelyToBeNfs(int handle)
 #endif
 }
 #else
-static inline bool isLikelyToBeNfs(int /* handle */)
+Q_AUTOTEST_EXPORT_HELPER inline bool qIsLikelyToBeNfs(int /* handle */)
 {
     return true;
 }
@@ -203,7 +209,7 @@ static bool unixLock(int handle, int lockType)
         now is to disable locking when we detect NFS (or AutoFS or
         CacheFS, which are probably wrapping NFS).
     */
-    if (isLikelyToBeNfs(handle))
+    if (qIsLikelyToBeNfs(handle))
         return false;
 
     struct flock fl;
diff --git a/src/corelib/tools/qpoint.cpp b/src/corelib/tools/qpoint.cpp
index 66f06e9..c297709 100644
--- a/src/corelib/tools/qpoint.cpp
+++ b/src/corelib/tools/qpoint.cpp
@@ -438,8 +438,12 @@ QDebug operator<<(QDebug d, const QPointF &p)
 /*!
     \fn bool QPointF::isNull() const
 
-    Returns true if both the x and y coordinates are set to 0.0,
+    Returns true if both the x and y coordinates are set to +0.0;
     otherwise returns false.
+
+    \note Since this function treats +0.0 and -0.0 differently, points
+    with zero-valued coordinates where either or both values have a
+    negative sign are not defined to be null points.
 */
 
 
diff --git a/src/corelib/tools/qsize.cpp b/src/corelib/tools/qsize.cpp
index 20ac344..12287ab 100644
--- a/src/corelib/tools/qsize.cpp
+++ b/src/corelib/tools/qsize.cpp
@@ -492,9 +492,13 @@ QDebug operator<<(QDebug dbg, const QSize &s) {
 /*!
     \fn bool QSizeF::isNull() const
 
-    Returns true if both the width and height is 0; otherwise returns
+    Returns true if both the width and height are +0.0; otherwise returns
     false.
 
+    \note Since this function treats +0.0 and -0.0 differently, sizes with
+    zero width and height where either or both values have a negative
+    sign are not defined to be null sizes.
+
     \sa isValid(), isEmpty()
 */
 
diff --git a/src/dbus/qdbusconnection.cpp b/src/dbus/qdbusconnection.cpp
index bf771a8..f68a8ca 100644
--- a/src/dbus/qdbusconnection.cpp
+++ b/src/dbus/qdbusconnection.cpp
@@ -140,9 +140,9 @@ void QDBusConnectionManager::setConnection(const QString &name, QDBusConnectionP
     \fn QDBusConnection &QDBusConnection::sessionBus()
     \relates QDBusConnection
 
-    Returns a QDBusConnection object opened with the session bus. The object reference returned
-    by this function is valid until the QCoreApplication's destructor is run, when the
-    connection will be closed and the object, deleted.
+    Returns a QDBusConnection object opened with the session bus. The object
+    reference returned by this function is valid until the application terminates,
+    at which point the connection will be closed and the object deleted.
 */
 /*!
     \fn QDBusConnection &QDBusConnection::systemBus()
diff --git a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
index c58a08d..649c8fb 100644
--- a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
@@ -361,6 +361,8 @@ QDeclarativeScaleGrid *QDeclarativeBorderImage::border()
     \o BorderImage.Repeat - Tile the image until there is no more space. May crop the last image.
     \o BorderImage.Round - Like Repeat, but scales the images down to ensure that the last image is not cropped.
     \endlist
+
+    The default tile mode for each property is BorderImage.Stretch.
 */
 QDeclarativeBorderImage::TileMode QDeclarativeBorderImage::horizontalTileMode() const
 {
diff --git a/src/gui/dialogs/qinputdialog.cpp b/src/gui/dialogs/qinputdialog.cpp
index 778e796..9e4b9b6 100644
--- a/src/gui/dialogs/qinputdialog.cpp
+++ b/src/gui/dialogs/qinputdialog.cpp
@@ -561,6 +561,9 @@ void QInputDialog::setLabelText(const QString &text)
     } else {
         d->label->setText(text);
     }
+#ifdef Q_OS_SYMBIAN
+    d->label->setWordWrap(true);
+#endif
 }
 
 QString QInputDialog::labelText() const
diff --git a/src/gui/image/qxbmhandler.cpp b/src/gui/image/qxbmhandler.cpp
index 0dd4e99..f9c2e0c 100644
--- a/src/gui/image/qxbmhandler.cpp
+++ b/src/gui/image/qxbmhandler.cpp
@@ -66,27 +66,36 @@ static inline int hex2byte(register char *p)
 static bool read_xbm_header(QIODevice *device, int& w, int& h)
 {
     const int buflen = 300;
+    const int maxlen = 4096;
     char buf[buflen + 1];
     QRegExp r1(QLatin1String("^#define[ \t]+[a-zA-Z0-9._]+[ \t]+"));
     QRegExp r2(QLatin1String("[0-9]+"));
 
     qint64 readBytes = 0;
+    qint64 totalReadBytes = 0;
 
-    // "#define .._width <num>"
-    readBytes = device->readLine(buf, buflen);
-    if (readBytes <= 0)
-	return false;
-    buf[readBytes - 1] = '\0';
+    buf[0] = '\0';
 
     // skip initial comment, if any
-    while (buf[0] != '#' && (readBytes = device->readLine( buf, buflen )) > 0) {}
+    while (buf[0] != '#') {
+        readBytes = device->readLine(buf, buflen);
+
+        // if readBytes >= buflen, it's very probably not a C file
+        if (readBytes <= 0 || readBytes >= buflen -1)
+            return false;
+
+        // limit xbm headers to the first 4k in the file to prevent
+        // excessive reads on non-xbm files
+        totalReadBytes += readBytes;
+        if (totalReadBytes >= maxlen)
+            return false;
+    }
 
-    if (readBytes <= 0)
-	return false;
     buf[readBytes - 1] = '\0';
     QString sbuf;
     sbuf = QString::fromLatin1(buf);
 
+    // "#define .._width <num>"
     if (r1.indexIn(sbuf) == 0 &&
          r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength())
         w = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt();
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 1d80809..833e803 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1433,10 +1433,18 @@ QStyle *QApplication::style()
         // Compile-time search for default style
         //
         QString style;
-        if (!QApplicationPrivate::styleOverride.isEmpty())
+#ifdef QT_BUILD_INTERNAL
+        QString envStyle = QString::fromLocal8Bit(qgetenv("QT_STYLE_OVERRIDE"));
+#else
+        QString envStyle;
+#endif
+        if (!QApplicationPrivate::styleOverride.isEmpty()) {
             style = QApplicationPrivate::styleOverride;
-        else
+        } else if (!envStyle.isEmpty()) {
+            style = envStyle;
+        } else {
             style = QApplicationPrivate::desktopStyleKey();
+        }
 
         QStyle *&app_style = QApplicationPrivate::app_style;
         app_style = QStyleFactory::create(style);
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index cbc2356..ff98229 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -2335,6 +2335,30 @@ void qt_init(QApplicationPrivate *priv, int,
                 X11->desktopEnvironment = DE_4DWM;
                 break;
             }
+
+            if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(),
+                               ATOM(_NET_SUPPORTING_WM_CHECK),
+                               0, 1024, False, XA_WINDOW, &type,
+                               &format, &length, &after, &data) == Success) {
+                if (type == XA_WINDOW && format == 32) {
+                    Window windowManagerWindow = *((Window*) data);
+                    XFree(data);
+                    data = 0;
+
+                    if (windowManagerWindow != XNone) {
+                        Atom utf8atom = ATOM(UTF8_STRING);
+                        if (XGetWindowProperty(QX11Info::display(), windowManagerWindow, ATOM(_NET_WM_NAME),
+                                               0, 1024, False, utf8atom, &type,
+                                               &format, &length, &after, &data) == Success) {
+                            if (type == utf8atom && format == 8) {
+                                if (qstrcmp((const char *)data, "MCompositor") == 0)
+                                    X11->desktopEnvironment = DE_MEEGO_COMPOSITOR;
+                            }
+                        }
+                    }
+                }
+            }
+
         } while(0);
 
         if (data)
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index d62d9c3..56c8094 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -338,6 +338,7 @@ enum DesktopEnvironment {
     DE_KDE,
     DE_GNOME,
     DE_CDE,
+    DE_MEEGO_COMPOSITOR,
     DE_4DWM
 };
 
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 1262340..6fb3689 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -112,8 +112,6 @@ const short QS60StylePrivate::data[][MAX_PIXELMETRICS] = {
 // *** End of generated data ***
 };
 
-QSet<const QWidget *> *QS60StylePrivate::m_autoFillDisabledWidgets = 0;
-
 const short *QS60StylePrivate::m_pmPointer = QS60StylePrivate::data[0];
 
 // theme background texture
@@ -154,8 +152,6 @@ const double KTabFontMul = 0.72;
 
 QS60StylePrivate::~QS60StylePrivate()
 {
-    delete m_autoFillDisabledWidgets;
-    m_autoFillDisabledWidgets = 0;
     clearCaches(); //deletes also background image
     deleteThemePalette();
 #ifdef Q_WS_S60
@@ -3188,13 +3184,6 @@ void QS60Style::polish(QWidget *widget)
     }
     d->setThemePalette(widget);
     d->setFont(widget);
-    
-    if (widget->autoFillBackground()) {
-        if (!d->m_autoFillDisabledWidgets)
-            d->m_autoFillDisabledWidgets = new QSet<const QWidget *>;
-        widget->setAutoFillBackground(false);
-        d->m_autoFillDisabledWidgets->insert(widget);
-    }
 }
 
 /*!
@@ -3229,13 +3218,6 @@ void QS60Style::unpolish(QWidget *widget)
 
     if (widget)
         widget->setPalette(QPalette());
-    
-    if (d->m_autoFillDisabledWidgets &&
-	    !d->m_autoFillDisabledWidgets->isEmpty() &&
-		d->m_autoFillDisabledWidgets->contains(widget)) {
-        widget->setAutoFillBackground(true);
-        d->m_autoFillDisabledWidgets->remove(widget);
-    }
 
 #if defined(Q_WS_S60) && !defined(QT_NO_PROGRESSBAR)
     if (QProgressBar *bar = qobject_cast<QProgressBar *>(widget)) {
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index 3d66c40..b46f75e 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -625,7 +625,6 @@ private:
     static qint64 m_webPaletteKey;
 
     static QPointer<QWidget> m_pressedWidget;
-    static QSet<const QWidget *> *m_autoFillDisabledWidgets;
 
 #ifdef Q_WS_S60
     //list of progress bars having animation running
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index d8530cc..fe5946a 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -417,7 +417,9 @@ void QHttpNetworkConnectionChannel::_q_receiveReply()
         }
         case QHttpNetworkReplyPrivate::ReadingDataState: {
            QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
-           if (replyPrivate->downstreamLimited && !replyPrivate->responseData.isEmpty() && replyPrivate->shouldEmitSignals()) {
+           if (socket->state() == QAbstractSocket::ConnectedState &&
+               replyPrivate->downstreamLimited && !replyPrivate->responseData.isEmpty() && replyPrivate->shouldEmitSignals()) {
+               // (only do the following when still connected, not when we have already been disconnected and there is still data)
                // We already have some HTTP body data. We don't read more from the socket until
                // this is fetched by QHttpNetworkAccessHttpBackend. If we would read more,
                // we could not limit our read buffer usage.
diff --git a/src/network/kernel/qnetworkproxy.cpp b/src/network/kernel/qnetworkproxy.cpp
index bc5a025..84f9517 100644
--- a/src/network/kernel/qnetworkproxy.cpp
+++ b/src/network/kernel/qnetworkproxy.cpp
@@ -426,7 +426,8 @@ template<> void QSharedDataPointer<QNetworkProxyPrivate>::detach()
 QNetworkProxy::QNetworkProxy()
     : d(0)
 {
-    globalNetworkProxy()->init();
+    if (QGlobalNetworkProxy *globalProxy = globalNetworkProxy())
+        globalProxy->init();
 }
 
 /*!
@@ -441,7 +442,8 @@ QNetworkProxy::QNetworkProxy(ProxyType type, const QString &hostName, quint16 po
                   const QString &user, const QString &password)
     : d(new QNetworkProxyPrivate(type, hostName, port, user, password))
 {
-    globalNetworkProxy()->init();
+    if (QGlobalNetworkProxy *globalProxy = globalNetworkProxy())
+        globalProxy->init();
 }
 
 /*!
diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
index 559a6fd..167a7d2 100644
--- a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
+++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
@@ -63,8 +63,9 @@ QGLRect QGL2PEXVertexArray::boundingRect() const
 
 void QGL2PEXVertexArray::addClosingLine(int index)
 {
-    if (QPointF(vertexArray.at(index)) != QPointF(vertexArray.last()))
-        vertexArray.add(vertexArray.at(index));
+    QPointF point(vertexArray.at(index));
+    if (point != QPointF(vertexArray.last()))
+        vertexArray.add(point);
 }
 
 void QGL2PEXVertexArray::addCentroid(const QVectorPath &path, int subPathIndex)
diff --git a/src/plugins/bearer/icd/maemo_icd.cpp b/src/plugins/bearer/icd/maemo_icd.cpp
index 4f879e3..57ab0a8 100644
--- a/src/plugins/bearer/icd/maemo_icd.cpp
+++ b/src/plugins/bearer/icd/maemo_icd.cpp
@@ -508,6 +508,7 @@ uint IcdPrivate::state(QList<IcdStateResult>& state_results)
         mInterface.clear();
 	while ((time(0)<=(started+timeout_secs)) && mInterface.isEmpty()) {
 	    mDBus->synchronousDispatch(1000);
+        QCoreApplication::sendPostedEvents(icd, QEvent::MetaCall);
 	}
 
         if (time(0)>(started+timeout_secs)) {
@@ -685,6 +686,7 @@ uint IcdPrivate::addrinfo(QList<IcdAddressInfoResult>& addr_results)
         mInterface.clear();
 	while ((time(0)<=(started+timeout_secs)) && mInterface.isEmpty()) {
 	    mDBus->synchronousDispatch(1000);
+        QCoreApplication::sendPostedEvents(icd, QEvent::MetaCall);
 	}
 
         if (time(0)>(started+timeout_secs)) {
diff --git a/src/plugins/bearer/icd/qnetworksession_impl.cpp b/src/plugins/bearer/icd/qnetworksession_impl.cpp
index 37434e3..8d0f587 100644
--- a/src/plugins/bearer/icd/qnetworksession_impl.cpp
+++ b/src/plugins/bearer/icd/qnetworksession_impl.cpp
@@ -679,7 +679,7 @@ void QNetworkSessionPrivateImpl::open()
     if (serviceConfig.isValid()) {
         lastError = QNetworkSession::OperationNotSupportedError;
         emit QNetworkSessionPrivate::error(lastError);
-    } else if (!isOpen) {
+    } else if (!opened) {
 	if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
 	    /* Caller is trying to connect to default IAP.
 	     * At this time we will not know the IAP details so we just