Merge commit 'origin/4.6' into 4.6-oslo2

Conflicts:
	dist/changes-4.6.2

6 files changed, 41 insertions, 15 deletions

diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index 3f69b4f..3500b63 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -133,10 +133,10 @@ QT_BEGIN_NAMESPACE
     \value GrabKeyboard                     Item gains keyboard grab (QGraphicsItem only).
     \value GrabMouse                        Item gains mouse grab (QGraphicsItem only).
     \value GraphicsSceneContextMenu         Context popup menu over a graphics scene (QGraphicsSceneContextMenuEvent).
-    \value GraphicsSceneDragEnter           The cursor enters a graphics scene during a drag and drop operation.
-    \value GraphicsSceneDragLeave           The cursor leaves a graphics scene during a drag and drop operation.
-    \value GraphicsSceneDragMove            A drag and drop operation is in progress over a scene.
-    \value GraphicsSceneDrop                A drag and drop operation is completed over a scene.
+    \value GraphicsSceneDragEnter           The cursor enters a graphics scene during a drag and drop operation (QGraphicsSceneDragDropEvent).
+    \value GraphicsSceneDragLeave           The cursor leaves a graphics scene during a drag and drop operation (QGraphicsSceneDragDropEvent).
+    \value GraphicsSceneDragMove            A drag and drop operation is in progress over a scene (QGraphicsSceneDragDropEvent).
+    \value GraphicsSceneDrop                A drag and drop operation is completed over a scene (QGraphicsSceneDragDropEvent).
     \value GraphicsSceneHelp                The user requests help for a graphics scene (QHelpEvent).
     \value GraphicsSceneHoverEnter          The mouse cursor enters a hover item in a graphics scene (QGraphicsSceneHoverEvent).
     \value GraphicsSceneHoverLeave          The mouse cursor leaves a hover item in a graphics scene (QGraphicsSceneHoverEvent).
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index 739a70b..74d3ec3 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -1608,7 +1608,7 @@ void QCommonStyle::drawControl(ControlElement element, const QStyleOption *opt,
 
                     if (toolbutton->toolButtonStyle == Qt::ToolButtonTextUnderIcon) {
                         pr.setHeight(pmSize.height() + 6);
-                        tr.adjust(0, pr.height() - 1, 0, -3);
+                        tr.adjust(0, pr.height() - 1, 0, -2);
                         pr.translate(shiftX, shiftY);
                         if (!hasArrow) {
                             proxy()->drawItemPixmap(p, pr, Qt::AlignCenter, pm);
diff --git a/src/network/access/qhttpnetworkconnection.cpp b/src/network/access/qhttpnetworkconnection.cpp
index fff7097..cc6a1c8 100644
--- a/src/network/access/qhttpnetworkconnection.cpp
+++ b/src/network/access/qhttpnetworkconnection.cpp
@@ -688,8 +688,14 @@ void QHttpNetworkConnectionPrivate::_q_startNextRequest()
         if (channels[i].resendCurrent) {
             channels[i].resendCurrent = false;
             channels[i].state = QHttpNetworkConnectionChannel::IdleState;
-            if (channels[i].reply)
+            if (channels[i].reply) {
+
+                // if this is not possible, error will be emitted and connection terminated
+                if (!channels[i].resetUploadData())
+                    continue;
+
                 channels[i].sendRequest();
+            }
         }
     }
 
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index b80ae9a..70a301d 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -674,15 +674,8 @@ void QHttpNetworkConnectionChannel::handleStatus()
     case 407: // proxy auth required
         if (connection->d_func()->handleAuthenticateChallenge(socket, reply, (statusCode == 407), resend)) {
             if (resend) {
-                QNonContiguousByteDevice* uploadByteDevice = request.uploadByteDevice();
-                if (uploadByteDevice) {
-                    if (uploadByteDevice->reset()) {
-                        written = 0;
-                    } else {
-                        connection->d_func()->emitReplyError(socket, reply, QNetworkReply::ContentReSendError);
-                        break;
-                    }
-                }
+                if (!resetUploadData())
+                    break;
 
                 reply->d_func()->eraseData();
 
@@ -712,6 +705,22 @@ void QHttpNetworkConnectionChannel::handleStatus()
     }
 }
 
+bool QHttpNetworkConnectionChannel::resetUploadData()
+{
+    QNonContiguousByteDevice* uploadByteDevice = request.uploadByteDevice();
+    if (!uploadByteDevice)
+        return true;
+
+    if (uploadByteDevice->reset()) {
+        written = 0;
+        return true;
+    } else {
+        connection->d_func()->emitReplyError(socket, reply, QNetworkReply::ContentReSendError);
+        return false;
+    }
+}
+
+
 void  QHttpNetworkConnectionChannel::pipelineInto(HttpMessagePair &pair)
 {
     // this is only called for simple GET
diff --git a/src/network/access/qhttpnetworkconnectionchannel_p.h b/src/network/access/qhttpnetworkconnectionchannel_p.h
index c30c236..75ab50d 100644
--- a/src/network/access/qhttpnetworkconnectionchannel_p.h
+++ b/src/network/access/qhttpnetworkconnectionchannel_p.h
@@ -151,6 +151,8 @@ public:
     void allDone(); // reply header + body have been read
     void handleStatus(); // called from allDone()
 
+    bool resetUploadData(); // return true if resetting worked or there is no upload data
+
     void pipelineInto(HttpMessagePair &pair);
     void requeueCurrentlyPipelinedRequests();
     void detectPipeliningSupport();
diff --git a/src/network/socket/qtcpserver.cpp b/src/network/socket/qtcpserver.cpp
index 47a998c..404eee7 100644
--- a/src/network/socket/qtcpserver.cpp
+++ b/src/network/socket/qtcpserver.cpp
@@ -513,6 +513,10 @@ bool QTcpServer::hasPendingConnections() const
     0 is returned if this function is called when there are no pending
     connections.
 
+    \note The returned QTcpSocket object cannot be used from another
+    thread. If you want to use an incoming connection from another thread,
+    you need to override incomingConnection().
+
     \sa hasPendingConnections()
 */
 QTcpSocket *QTcpServer::nextPendingConnection()
@@ -543,6 +547,11 @@ QTcpSocket *QTcpServer::nextPendingConnection()
     may not be usable with native socket functions, and should only be
     used with QTcpSocket::setSocketDescriptor().
 
+    \note If you want to handle an incoming connection as a new QTcpSocket
+    object in another thread you have to pass the socketDescriptor
+    to the other thread and create the QTcpSocket object there and
+    use its setSocketDescriptor() method.
+
     \sa newConnection(), nextPendingConnection()
 */
 void QTcpServer::incomingConnection(int socketDescriptor)