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

Conflicts:
	bin/syncqt
	src/gui/text/qtextlayout.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/configure/configureapp.cpp

2 files changed, 41 insertions, 5 deletions

diff --git a/src/network/kernel/qhostinfo_unix.cpp b/src/network/kernel/qhostinfo_unix.cpp
index 0c8caa0..b641711 100644
--- a/src/network/kernel/qhostinfo_unix.cpp
+++ b/src/network/kernel/qhostinfo_unix.cpp
@@ -208,12 +208,23 @@ QHostInfo QHostInfoAgent::fromName(const QString &hostName)
 #ifdef Q_ADDRCONFIG
     hints.ai_flags = Q_ADDRCONFIG;
 #endif
+#ifdef Q_OS_SYMBIAN
+#   ifdef QHOSTINFO_DEBUG
+        qDebug() << "Setting flags: 'hints.ai_flags &= AI_V4MAPPED | AI_ALL'";
+#   endif
+#endif
 
     int result = getaddrinfo(aceHostname.constData(), 0, &hints, &res);
 # ifdef Q_ADDRCONFIG
     if (result == EAI_BADFLAGS) {
         // if the lookup failed with AI_ADDRCONFIG set, try again without it
         hints.ai_flags = 0;
+#ifdef Q_OS_SYMBIAN
+#   ifdef QHOSTINFO_DEBUG
+        qDebug() << "Setting flags: 'hints.ai_flags &= AI_V4MAPPED | AI_ALL'";
+#   endif
+        hints.ai_flags &= AI_V4MAPPED | AI_ALL;
+#endif
         result = getaddrinfo(aceHostname.constData(), 0, &hints, &res);
     }
 # endif
@@ -222,6 +233,9 @@ QHostInfo QHostInfoAgent::fromName(const QString &hostName)
         addrinfo *node = res;
         QList<QHostAddress> addresses;
         while (node) {
+#ifdef QHOSTINFO_DEBUG
+                qDebug() << "getaddrinfo node: flags:" << node->ai_flags << "family:" << node->ai_family << "ai_socktype:" << node->ai_socktype << "ai_protocol:" << node->ai_protocol << "ai_addrlen:" << node->ai_addrlen;
+#endif
             if (node->ai_family == AF_INET) {
                 QHostAddress addr;
                 addr.setAddress(ntohl(((sockaddr_in *) node->ai_addr)->sin_addr.s_addr));
diff --git a/src/network/kernel/qnetworkproxy.cpp b/src/network/kernel/qnetworkproxy.cpp
index ada9381..bc5a025 100644
--- a/src/network/kernel/qnetworkproxy.cpp
+++ b/src/network/kernel/qnetworkproxy.cpp
@@ -1138,6 +1138,20 @@ void QNetworkProxyQuery::setUrl(const QUrl &url)
     multiple connections, such as QNetworkAccessManager. When set on
     such object, the factory will be queried for sockets created by
     that framework only.
+
+    \section1 System Proxies
+
+    You can configure a factory to use the system proxy's settings.
+    Call the setUseSystemConfiguration() function with true to enable
+    this behavior, or false to disable it.
+
+    Similarly, you can use a factory to make queries directly to the
+    system proxy by calling its systemProxyForQuery() function.
+
+    \warning Depending on the configuration of the user's system, the
+    use of system proxy features on certain platforms may be subject
+    to limitations. The systemProxyForQuery() documentation contains a
+    list of these limitations for those platforms that are affected.
 */
 
 /*!
@@ -1159,17 +1173,20 @@ QNetworkProxyFactory::~QNetworkProxyFactory()
 
 
 /*!
+    \since 4.6
+
     Enables the use of the platform-specific proxy settings, and only those.
     See systemProxyForQuery() for more information.
 
     Internally, this method (when called with \a enable set to true)
     sets an application-wide proxy factory. For this reason, this method
-    is mutually exclusive with setApplicationProxyFactory: calling
-    setApplicationProxyFactory overrides the use of the system-wide proxy,
-    and calling setUseSystemConfiguration overrides any
+    is mutually exclusive with setApplicationProxyFactory(): calling
+    setApplicationProxyFactory() overrides the use of the system-wide proxy,
+    and calling setUseSystemConfiguration() overrides any
     application proxy or proxy factory that was previously set.
 
-    \since 4.6
+    \note See the systemProxyForQuery() documentation for a list of
+    limitations related to the use of system proxies.
 */
 void QNetworkProxyFactory::setUseSystemConfiguration(bool enable)
 {
@@ -1264,8 +1281,13 @@ void QNetworkProxyFactory::setApplicationProxyFactory(QNetworkProxyFactory *fact
     function. Future versions of Qt may lift some of the limitations
     listed here.
 
-    On MacOS X, this function will ignore the Proxy Auto Configuration
+    \list
+    \o On MacOS X, this function will ignore the Proxy Auto Configuration
     settings, since it cannot execute the associated ECMAScript code.
+
+    \o On Windows platforms, this function may take several seconds to
+    execute depending on the configuration of the user's system.
+    \endlist
 */
 
 /*!