Merge commit 'qt/master-stable'

Conflicts:
	configure.exe
	qmake/Makefile.unix
	qmake/generators/makefile.cpp
	src/corelib/global/qglobal.h
	src/corelib/kernel/kernel.pri
	src/corelib/kernel/qcoreevent.cpp
	src/corelib/kernel/qsharedmemory_unix.cpp
	src/gui/graphicsview/qgraphicsscene.cpp
	src/gui/kernel/qaction.cpp
	src/gui/kernel/qaction.h
	src/gui/kernel/qaction_p.h
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qapplication.h
	src/gui/kernel/qwidget.cpp
	src/gui/kernel/qwidget.h
	src/gui/kernel/qwidget_mac.mm
	src/gui/painting/qgraphicssystemfactory.cpp
	src/gui/styles/qwindowsstyle.cpp
	src/gui/text/qfontengine_qpf.cpp
	src/gui/widgets/qabstractscrollarea_p.h
	src/network/access/qnetworkaccessdebugpipebackend.cpp
	src/network/socket/qlocalsocket_unix.cpp
	src/network/socket/qnativesocketengine_p.h
	src/network/socket/qnativesocketengine_unix.cpp
	src/openvg/qpaintengine_vg.cpp
	tests/auto/q3sqlcursor/tst_q3sqlcursor.cpp
	tests/auto/qcssparser/qcssparser.pro
	tests/auto/qdir/tst_qdir.cpp
	tests/auto/qfile/tst_qfile.cpp
	tests/auto/qobject/tst_qobject.cpp
	tests/auto/qpathclipper/qpathclipper.pro
	tests/auto/qprocess/tst_qprocess.cpp
	tests/auto/qsettings/tst_qsettings.cpp
	tests/auto/qsharedpointer/qsharedpointer.pro
	tests/auto/qsqlquerymodel/qsqlquerymodel.pro
	tests/auto/qsqlrelationaltablemodel/qsqlrelationaltablemodel.pro
	tests/auto/qsqltablemodel/qsqltablemodel.pro
	tests/auto/qsqlthread/qsqlthread.pro
	tests/auto/qwidget/tst_qwidget.cpp

1 files changed, 71 insertions, 82 deletions

diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index 59a3b60..f0b9f0b 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -166,11 +166,11 @@ static QByteArray qt_prettyDebug(const char *data, int len, int maxLength)
     Extracts the port and address from a sockaddr, and stores them in
     \a port and \a addr if they are non-null.
 */
-static inline void qt_socket_getPortAndAddress(SOCKET socketDescriptor, struct sockaddr *sa, quint16 *port, QHostAddress *address)
+static inline void qt_socket_getPortAndAddress(SOCKET socketDescriptor, const qt_sockaddr *sa, quint16 *port, QHostAddress *address)
 {
 #if !defined (QT_NO_IPV6)
-    if (sa->sa_family == AF_INET6) {
-        qt_sockaddr_in6 *sa6 = (qt_sockaddr_in6 *)sa;
+    if (sa->a.sa_family == AF_INET6) {
+        const qt_sockaddr_in6 *sa6 = &sa->a6;
         Q_IPV6ADDR tmp;
         for (int i = 0; i < 16; ++i)
             tmp.c[i] = sa6->sin6_addr.qt_s6_addr[i];
@@ -182,8 +182,8 @@ static inline void qt_socket_getPortAndAddress(SOCKET socketDescriptor, struct s
 	    WSANtohs(socketDescriptor, sa6->sin6_port, port);
     } else
 #endif
-    if (sa->sa_family == AF_INET) {
-        struct sockaddr_in *sa4 = (struct sockaddr_in *)sa;
+    if (sa->a.sa_family == AF_INET) {
+        const sockaddr_in *sa4 = &sa->a4;
         unsigned long addr;
         WSANtohl(socketDescriptor, sa4->sin_addr.s_addr, &addr);
         QHostAddress a;
@@ -362,6 +362,8 @@ int QNativeSocketEnginePrivate::option(QNativeSocketEngine::SocketOption opt) co
         return -1;
 
     int n = -1;
+    int level = SOL_SOCKET; // default
+
     switch (opt) {
     case QNativeSocketEngine::ReceiveBufferSocketOption:
         n = SO_RCVBUF;
@@ -389,11 +391,18 @@ int QNativeSocketEnginePrivate::option(QNativeSocketEngine::SocketOption opt) co
     case QNativeSocketEngine::ReceiveOutOfBandData:
         n = SO_OOBINLINE;
         break;
+    case QNativeSocketEngine::LowDelayOption:
+        level = IPPROTO_TCP;
+        n = TCP_NODELAY;
+        break;
+    case QNativeSocketEngine::KeepAliveOption:
+        n = SO_KEEPALIVE;
+        break;
     }
 
     int v = -1;
     QT_SOCKOPTLEN_T len = sizeof(v);
-    if (getsockopt(socketDescriptor, SOL_SOCKET, n, (char *) &v, &len) != -1)
+    if (getsockopt(socketDescriptor, level, n, (char *) &v, &len) != -1)
         return v;
     return -1;
 }
@@ -409,6 +418,8 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt
         return false;
 
     int n = 0;
+    int level = SOL_SOCKET; // default
+
     switch (opt) {
     case QNativeSocketEngine::ReceiveBufferSocketOption:
         n = SO_RCVBUF;
@@ -440,9 +451,16 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt
     case QNativeSocketEngine::ReceiveOutOfBandData:
         n = SO_OOBINLINE;
         break;
+    case QNativeSocketEngine::LowDelayOption:
+        level = IPPROTO_TCP;
+        n = TCP_NODELAY;
+        break;
+    case QNativeSocketEngine::KeepAliveOption:
+        n = SO_KEEPALIVE;
+        break;
     }
 
-    if (::setsockopt(socketDescriptor, SOL_SOCKET, n, (char*)&v, sizeof(v)) != 0) {
+    if (::setsockopt(socketDescriptor, level, n, (char*)&v, sizeof(v)) != 0) {
         WS_ERROR_DEBUG(WSAGetLastError());
         return false;
     }
@@ -463,20 +481,15 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters()
     if (socketDescriptor == -1)
        return false;
 
-#if !defined (QT_NO_IPV6)
-    struct qt_sockaddr_storage sa;
-#else
-    struct sockaddr_in sa;
-#endif
-    struct sockaddr *pSa = (struct sockaddr *) &sa;
-
-    QT_SOCKLEN_T sz = sizeof(sa);
+    qt_sockaddr sa;
+    QT_SOCKLEN_T sockAddrSize = sizeof(sa);
 
+    // Determine local address
     memset(&sa, 0, sizeof(sa));
-    if (::getsockname(socketDescriptor, pSa, &sz) == 0) {
-        qt_socket_getPortAndAddress(socketDescriptor, pSa, &localPort, &localAddress);
+    if (::getsockname(socketDescriptor, &sa.a, &sockAddrSize) == 0) {
+        qt_socket_getPortAndAddress(socketDescriptor, &sa, &localPort, &localAddress);
         // Determine protocol family
-        switch (pSa->sa_family) {
+        switch (sa.a.sa_family) {
         case AF_INET:
             socketProtocol = QAbstractSocket::IPv4Protocol;
             break;
@@ -500,8 +513,8 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters()
     }
 
     memset(&sa, 0, sizeof(sa));
-    if (::getpeername(socketDescriptor, pSa, &sz) == 0) {
-        qt_socket_getPortAndAddress(socketDescriptor, pSa, &peerPort, &peerAddress);
+    if (::getpeername(socketDescriptor, &sa.a, &sockAddrSize) == 0) {
+        qt_socket_getPortAndAddress(socketDescriptor, &sa, &peerPort, &peerAddress);
     } else {
         WS_ERROR_DEBUG(WSAGetLastError());
     }
@@ -533,8 +546,8 @@ bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &address, quin
 
     struct sockaddr_in sockAddrIPv4;
     qt_sockaddr_in6 sockAddrIPv6;
-    struct sockaddr *sockAddrPtr;
-    QT_SOCKLEN_T sockAddrSize;
+    struct sockaddr *sockAddrPtr = 0;
+    QT_SOCKLEN_T sockAddrSize = 0;
 
     qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
 
@@ -638,8 +651,8 @@ bool QNativeSocketEnginePrivate::nativeBind(const QHostAddress &address, quint16
 {
     struct sockaddr_in sockAddrIPv4;
     qt_sockaddr_in6 sockAddrIPv6;
-    struct sockaddr *sockAddrPtr;
-    QT_SOCKLEN_T sockAddrSize;
+    struct sockaddr *sockAddrPtr = 0;
+    QT_SOCKLEN_T sockAddrSize = 0;
 
     qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
 
@@ -766,20 +779,9 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const
 {
 #if !defined(Q_OS_WINCE)
     // Create a sockaddr struct and reset its port number.
-#if !defined(QT_NO_IPV6)
-    qt_sockaddr_in6 storage;
-    qt_sockaddr_in6 *storagePtrIPv6 = reinterpret_cast<qt_sockaddr_in6 *>(&storage);
-    storagePtrIPv6->sin6_port = 0;
-#else
-    struct sockaddr storage;
-#endif
-    sockaddr *storagePtr = reinterpret_cast<sockaddr *>(&storage);
-    storagePtr->sa_family = 0;
-
-    sockaddr_in *storagePtrIPv4 = reinterpret_cast<sockaddr_in *>(&storage);
-    storagePtrIPv4->sin_port = 0;
+    qt_sockaddr storage;
     QT_SOCKLEN_T storageSize = sizeof(storage);
-
+    memset(&storage, 0, storageSize);
 
     bool result = false;
 
@@ -791,7 +793,7 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const
     buf.len = sizeof(c);
     DWORD available = 0;
     DWORD flags = MSG_PEEK;
-    int ret = ::WSARecvFrom(socketDescriptor, &buf, 1, &available, &flags, storagePtr, &storageSize,0,0);
+    int ret = ::WSARecvFrom(socketDescriptor, &buf, 1, &available, &flags, &storage.a, &storageSize,0,0);
     int err = WSAGetLastError();
     if (ret == SOCKET_ERROR && err !=  WSAEMSGSIZE) {
         WS_ERROR_DEBUG(err);
@@ -801,7 +803,7 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const
             // notifiers.
             flags = 0;
             ::WSARecvFrom(socketDescriptor, &buf, 1, &available, &flags,
-                          storagePtr, &storageSize, 0, 0);
+                          &storage.a, &storageSize, 0, 0);
         }
     } else {
         // If there's no error, or if our buffer was too small, there must be
@@ -893,14 +895,11 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxL
 {
     qint64 ret = 0;
 
-#if !defined(QT_NO_IPV6)
-    qt_sockaddr_storage aa;
-#else
-    struct sockaddr_in aa;
-#endif
+    qt_sockaddr aa;
     memset(&aa, 0, sizeof(aa));
     QT_SOCKLEN_T sz;
     sz = sizeof(aa);
+
     WSABUF buf;
     buf.buf = data;
     buf.len = maxLength;
@@ -915,23 +914,17 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxL
 
     DWORD flags = 0;
     DWORD bytesRead = 0;
-    int wsaRet = ::WSARecvFrom(socketDescriptor, &buf, 1, &bytesRead, &flags, (struct sockaddr *) &aa, &sz,0,0);
+    int wsaRet = ::WSARecvFrom(socketDescriptor, &buf, 1, &bytesRead, &flags, &aa.a, &sz,0,0);
     if (wsaRet == SOCKET_ERROR) {
         int err = WSAGetLastError();
-        if (err == WSAEMSGSIZE) {
-            // it is ok the buffer was to small if bytesRead is larger than
-            // maxLength (win 9x) then assume bytes read is really maxLenth
-            ret = qint64(bytesRead) > maxLength ? maxLength : qint64(bytesRead);
-        } else {
-            WS_ERROR_DEBUG(err);
-            setError(QAbstractSocket::NetworkError, ReceiveDatagramErrorString);
-            ret = -1;
-        }
+        WS_ERROR_DEBUG(err);
+        setError(QAbstractSocket::NetworkError, ReceiveDatagramErrorString);
+        ret = -1;
     } else {
         ret = qint64(bytesRead);
     }
 
-    qt_socket_getPortAndAddress(socketDescriptor, (struct sockaddr *) &aa, port, address);
+    qt_socket_getPortAndAddress(socketDescriptor, &aa, port, address);
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
     qDebug("QNativeSocketEnginePrivate::nativeReceiveDatagram(%p \"%s\", %li, %s, %i) == %li",
@@ -950,41 +943,37 @@ qint64 QNativeSocketEnginePrivate::nativeSendDatagram(const char *data, qint64 l
     qint64 ret = -1;
     struct sockaddr_in sockAddrIPv4;
     qt_sockaddr_in6 sockAddrIPv6;
-    struct sockaddr *sockAddrPtr;
-    QT_SOCKLEN_T sockAddrSize;
+    struct sockaddr *sockAddrPtr = 0;
+    QT_SOCKLEN_T sockAddrSize = 0;
 
     qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
 
-    if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based && len > qint64(qt_socket_getMaxMsgSize(socketDescriptor))) {
-        // WSAEMSGSIZE is not reliable enough (win 9x) so we check max size our self.
-        setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
-    } else {
-        WSABUF buf;
+    WSABUF buf;
 #if !defined(Q_OS_WINCE)
-        buf.buf = len ? (char*)data : 0;
+    buf.buf = len ? (char*)data : 0;
 #else
-        char tmp;
-        buf.buf = len ? (char*)data : &tmp;
+    char tmp;
+    buf.buf = len ? (char*)data : &tmp;
 #endif
-        buf.len = len;
-        DWORD flags = 0;
-        DWORD bytesSent = 0;
-        if (::WSASendTo(socketDescriptor, &buf, 1, &bytesSent, flags, sockAddrPtr, sockAddrSize, 0,0) ==  SOCKET_ERROR) {
-            int err = WSAGetLastError();
-            WS_ERROR_DEBUG(err);
-            switch (err) {
-            case WSAEMSGSIZE:
-                setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
-                break;
-            default:
-                setError(QAbstractSocket::NetworkError, SendDatagramErrorString);
-                break;
-            }
-            ret = -1;
-        } else {
-            ret = qint64(bytesSent);
+    buf.len = len;
+    DWORD flags = 0;
+    DWORD bytesSent = 0;
+    if (::WSASendTo(socketDescriptor, &buf, 1, &bytesSent, flags, sockAddrPtr, sockAddrSize, 0,0) ==  SOCKET_ERROR) {
+        int err = WSAGetLastError();
+        WS_ERROR_DEBUG(err);
+        switch (err) {
+        case WSAEMSGSIZE:
+            setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
+            break;
+        default:
+            setError(QAbstractSocket::NetworkError, SendDatagramErrorString);
+            break;
         }
+        ret = -1;
+    } else {
+        ret = qint64(bytesSent);
     }
+
 #if defined (QNATIVESOCKETENGINE_DEBUG)
     qDebug("QNativeSocketEnginePrivate::nativeSendDatagram(%p \"%s\", %li, \"%s\", %i) == %li", data,
            qt_prettyDebug(data, qMin<qint64>(len, 16), len).data(), 0, address.toString().toLatin1().constData(),