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

5 files changed, 280 insertions, 206 deletions

diff --git a/src/corelib/codecs/qiconvcodec.cpp b/src/corelib/codecs/qiconvcodec.cpp
index 1bf76ea..188ac8c 100644
--- a/src/corelib/codecs/qiconvcodec.cpp
+++ b/src/corelib/codecs/qiconvcodec.cpp
@@ -225,10 +225,11 @@ QString QIconvCodec::convertToUnicode(const char* chars, int len, ConverterState
     char *inBytes = const_cast<char *>(chars);
 #endif
 
+    QByteArray in;
     if (remainingCount) {
         // we have to prepend the remaining bytes from the previous conversion
         inBytesLeft += remainingCount;
-        QByteArray in(inBytesLeft, Qt::Uninitialized);
+        in.resize(inBytesLeft);
         inBytes = in.data();
 
         memcpy(in.data(), remainingBuffer, remainingCount);
@@ -362,9 +363,10 @@ QByteArray QIconvCodec::convertFromUnicode(const QChar *uc, int len, ConverterSt
     inBytes = const_cast<char *>(reinterpret_cast<const char *>(uc));
     inBytesLeft = len * sizeof(QChar);
 
+    QByteArray in;
     if (convState && convState->remainingChars) {
         // we have one surrogate char to be prepended
-        QByteArray in(sizeof(QChar) + len, Qt::Uninitialized);
+        in.resize(sizeof(QChar) + len);
         inBytes = in.data();
 
         QChar remaining = convState->state_data[0];
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
index bca36a6..354f29b 100644
--- a/src/corelib/codecs/qtextcodec.cpp
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -104,6 +104,10 @@ Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
     (QTextCodecFactoryInterface_iid, QLatin1String("/codecs")))
 #endif
 
+static char qtolower(register char c)
+{ if (c >= 'A' && c <= 'Z') return c + 0x20; return c; }
+static bool qisalnum(register char c)
+{ return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'z'); }
 
 static bool nameMatch(const QByteArray &name, const QByteArray &test)
 {
@@ -116,21 +120,21 @@ static bool nameMatch(const QByteArray &name, const QByteArray &test)
 
     // if the letters and numbers are the same, we have a match
     while (*n != '\0') {
-        if (isalnum((uchar)*n)) {
+        if (qisalnum(*n)) {
             for (;;) {
                 if (*h == '\0')
                     return false;
-                if (isalnum((uchar)*h))
+                if (qisalnum(*h))
                     break;
                 ++h;
             }
-            if (tolower((uchar)*n) != tolower((uchar)*h))
+            if (qtolower(*n) != qtolower(*h))
                 return false;
             ++h;
         }
         ++n;
     }
-    while (*h && !isalnum((uchar)*h))
+    while (*h && !qisalnum(*h))
            ++h;
     return (*h == '\0');
 }
@@ -246,9 +250,9 @@ QString QWindowsLocalCodec::convertToUnicode(const char *chars, int length, Conv
         return QString();
 
     const int wclen_auto = 4096;
-    WCHAR wc_auto[wclen_auto];
+    wchar_t wc_auto[wclen_auto];
     int wclen = wclen_auto;
-    WCHAR *wc = wc_auto;
+    wchar_t *wc = wc_auto;
     int len;
     QString sp;
     bool prepend = false;
@@ -288,7 +292,7 @@ QString QWindowsLocalCodec::convertToUnicode(const char *chars, int length, Conv
             } else {
                 wclen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
                                     mb, mblen, 0, 0);
-                wc = new WCHAR[wclen];
+                wc = new wchar_t[wclen];
                 // and try again...
             }
         } else if (r == ERROR_NO_UNICODE_TRANSLATION) {
@@ -354,7 +358,7 @@ QString QWindowsLocalCodec::convertToUnicodeCharByChar(const char *chars, int le
     const char *next = 0;
     QString s;
     while((next = CharNextExA(CP_ACP, mb, 0)) != mb) {
-        WCHAR wc[2] ={0};
+        wchar_t wc[2] ={0};
         int charlength = next - mb;
         int len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS, mb, charlength, wc, 2);
         if (len>0) {
@@ -1059,16 +1063,10 @@ QList<int> QTextCodec::availableMibs()
     This might be needed for some applications that want to use their
     own mechanism for setting the locale.
 
-    Setting this codec is not supported on DOS based Windows.
-
     \sa codecForLocale()
 */
 void QTextCodec::setCodecForLocale(QTextCodec *c)
 {
-#ifdef Q_WS_WIN
-    if (QSysInfo::WindowsVersion& QSysInfo::WV_DOS_based)
-	return;
-#endif
     localeMapper = c;
     if (!localeMapper)
         setupLocaleMapper();
@@ -1555,9 +1553,13 @@ QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba, QTextCodec *defaultCo
 }
 
 /*!
-  \overload
+    \overload
 
-  If the codec cannot be detected, this overload returns a Latin-1 QTextCodec.
+    Tries to detect the encoding of the provided snippet of HTML in
+    the given byte array, \a ba, by checking the BOM (Byte Order Mark)
+    and the content-type meta header and returns a QTextCodec instance
+    that is capable of decoding the html to unicode. If the codec cannot
+    be detected, this overload returns a Latin-1 QTextCodec.
 */
 QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba)
 {
@@ -1569,10 +1571,13 @@ QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba)
 
     Tries to detect the encoding of the provided snippet \a ba by
     using the BOM (Byte Order Mark) and returns a QTextCodec instance
-    that is capable of decoding the text to unicode.  If the codec
+    that is capable of decoding the text to unicode. If the codec
     cannot be detected from the content provided, \a defaultCodec is
     returned.
 
+    The behavior of this function is undefined if \a ba is not
+    encoded in unicode.
+
     \sa codecForHtml()
 */
 QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba, QTextCodec *defaultCodec)
@@ -1610,9 +1615,17 @@ QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba, QTextCodec *defaul
 }
 
 /*!
-  \overload
+    \overload
 
-  If the codec cannot be detected, this overload returns a Latin-1 QTextCodec.
+    Tries to detect the encoding of the provided snippet \a ba by
+    using the BOM (Byte Order Mark) and returns a QTextCodec instance
+    that is capable of decoding the text to unicode. If the codec
+    cannot be detected, this overload returns a Latin-1 QTextCodec.
+
+    The behavior of this function is undefined if \a ba is not
+    encoded in unicode.
+
+    \sa codecForHtml()
 */
 QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba)
 {
diff --git a/src/corelib/codecs/qtextcodec_p.h b/src/corelib/codecs/qtextcodec_p.h
index 499c0f9..5c82735 100644
--- a/src/corelib/codecs/qtextcodec_p.h
+++ b/src/corelib/codecs/qtextcodec_p.h
@@ -77,6 +77,33 @@ struct QTextCodecUnalignedPointer
     }
 };
 
+#else
+
+class QTextCodec
+{
+public:
+    enum ConversionFlag {
+        DefaultConversion,
+        ConvertInvalidToNull = 0x80000000,
+        IgnoreHeader = 0x1,
+        FreeFunction = 0x2
+    };
+    Q_DECLARE_FLAGS(ConversionFlags, ConversionFlag)
+
+    struct ConverterState {
+        ConverterState(ConversionFlags f = DefaultConversion)
+            : flags(f), remainingChars(0), invalidChars(0), d(0) { state_data[0] = state_data[1] = state_data[2] = 0; }
+        ~ConverterState() { }
+        ConversionFlags flags;
+        int remainingChars;
+        int invalidChars;
+        uint state_data[3];
+        void *d;
+    private:
+        Q_DISABLE_COPY(ConverterState)
+    };
+};
+
 #endif //QT_NO_TEXTCODEC
 
 QT_END_NAMESPACE
diff --git a/src/corelib/codecs/qutfcodec.cpp b/src/corelib/codecs/qutfcodec.cpp
index abae6f7..abcc07c 100644
--- a/src/corelib/codecs/qutfcodec.cpp
+++ b/src/corelib/codecs/qutfcodec.cpp
@@ -44,23 +44,19 @@
 #include "qendian.h"
 #include "qchar.h"
 
-#ifndef QT_NO_TEXTCODEC
-
 QT_BEGIN_NAMESPACE
 
-QUtf8Codec::~QUtf8Codec()
-{
-}
+enum { Endian = 0, Data = 1 };
 
-QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+QByteArray QUtf8::convertFromUnicode(const QChar *uc, int len, QTextCodec::ConverterState *state)
 {
     uchar replacement = '?';
     int rlen = 3*len;
     int surrogate_high = -1;
     if (state) {
-        if (state->flags & ConvertInvalidToNull)
+        if (state->flags & QTextCodec::ConvertInvalidToNull)
             replacement = 0;
-        if (!(state->flags & IgnoreHeader))
+        if (!(state->flags & QTextCodec::IgnoreHeader))
             rlen += 3;
         if (state->remainingChars)
             surrogate_high = state->state_data[0];
@@ -71,7 +67,7 @@ QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterSta
     uchar* cursor = (uchar*)rstr.data();
     const QChar *ch = uc;
     int invalid = 0;
-    if (state && !(state->flags & IgnoreHeader)) {
+    if (state && !(state->flags & QTextCodec::IgnoreHeader)) {
         *cursor++ = 0xef;
         *cursor++ = 0xbb;
         *cursor++ = 0xbf;
@@ -133,7 +129,7 @@ QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterSta
     rstr.resize(cursor - (const uchar*)rstr.constData());
     if (state) {
         state->invalidChars += invalid;
-        state->flags |= IgnoreHeader;
+        state->flags |= QTextCodec::IgnoreHeader;
         state->remainingChars = 0;
         if (surrogate_high >= 0) {
             state->remainingChars = 1;
@@ -143,18 +139,18 @@ QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterSta
     return rstr;
 }
 
-void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, ConverterState *state) const
+QString QUtf8::convertToUnicode(const char *chars, int len, QTextCodec::ConverterState *state)
 {
     bool headerdone = false;
-    QChar replacement = QChar::ReplacementCharacter;
+    ushort replacement = QChar::ReplacementCharacter;
     int need = 0;
     int error = -1;
     uint uc = 0;
     uint min_uc = 0;
     if (state) {
-        if (state->flags & IgnoreHeader)
+        if (state->flags & QTextCodec::IgnoreHeader)
             headerdone = true;
-        if (state->flags & ConvertInvalidToNull)
+        if (state->flags & QTextCodec::ConvertInvalidToNull)
             replacement = QChar::Null;
         need = state->remainingChars;
         if (need) {
@@ -170,40 +166,28 @@ void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, C
         headerdone = true;
     }
 
-    int originalLength = target->length();
-    QString &result = *target;
-    result.resize(originalLength + len + 1); // worst case
-    QChar *qch = result.data() + originalLength;
+    QString result(need + len + 1, Qt::Uninitialized); // worst case
+    ushort *qch = (ushort *)result.unicode();
     uchar ch;
     int invalid = 0;
 
-    for (int i=0; i<len; i++) {
+    for (int i = 0; i < len; ++i) {
         ch = chars[i];
         if (need) {
             if ((ch&0xc0) == 0x80) {
                 uc = (uc << 6) | (ch & 0x3f);
-                need--;
+                --need;
                 if (!need) {
                     // utf-8 bom composes into 0xfeff code point
                     if (!headerdone && uc == 0xfeff) {
                         // dont do anything, just skip the BOM
                     } else if (uc > 0xffff && uc < 0x110000) {
                         // surrogate pair
-                        uc -= 0x10000;
-                        unsigned short high = uc/0x400 + 0xd800;
-                        unsigned short low = uc%0x400 + 0xdc00;
-
-                        // resize if necessary
-                        long where = qch - result.unicode();
-                        if (where + 2 >= result.length()) {
-                            result.resize(where + 2);
-                            qch = result.data() + where;
-                        }
-
-                        *qch++ = QChar(high);
-                        *qch++ = QChar(low);
+                        Q_ASSERT((qch - (ushort*)result.unicode()) + 2 < result.length());
+                        *qch++ = QChar::highSurrogate(uc);
+                        *qch++ = QChar::lowSurrogate(uc);
                     } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
-                        // error
+                        // error: overlong sequence, UTF16 surrogate or BOM
                         *qch++ = replacement;
                         ++invalid;
                     } else {
@@ -221,7 +205,7 @@ void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, C
             }
         } else {
             if (ch < 128) {
-                *qch++ = QLatin1Char(ch);
+                *qch++ = ushort(ch);
                 headerdone = true;
             } else if ((ch & 0xe0) == 0xc0) {
                 uc = ch & 0x1f;
@@ -255,57 +239,35 @@ void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, C
             ++invalid;
         }
     }
-    result.truncate(qch - result.unicode());
+    result.truncate(qch - (ushort *)result.unicode());
     if (state) {
         state->invalidChars += invalid;
         state->remainingChars = need;
         if (headerdone)
-            state->flags |= IgnoreHeader;
+            state->flags |= QTextCodec::IgnoreHeader;
         state->state_data[0] = need ? uc : 0;
         state->state_data[1] = need ? min_uc : 0;
     }
-}
-
-QString QUtf8Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
-{
-    QString result;
-    convertToUnicode(&result, chars, len, state);
     return result;
 }
 
-QByteArray QUtf8Codec::name() const
-{
-    return "UTF-8";
-}
-
-int QUtf8Codec::mibEnum() const
-{
-    return 106;
-}
-
-enum { Endian = 0, Data = 1 };
-
-QUtf16Codec::~QUtf16Codec()
-{
-}
-
-QByteArray QUtf16Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+QByteArray QUtf16::convertFromUnicode(const QChar *uc, int len, QTextCodec::ConverterState *state, DataEndianness e)
 {
-    Endianness endian = e;
+    DataEndianness endian = e;
     int length =  2*len;
-    if (!state || (!(state->flags & IgnoreHeader))) {
+    if (!state || (!(state->flags & QTextCodec::IgnoreHeader))) {
         length += 2;
     }
-    if (e == Detect) {
-        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    if (e == DetectEndianness) {
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BigEndianness : LittleEndianness;
     }
 
     QByteArray d;
     d.resize(length);
     char *data = d.data();
-    if (!state || !(state->flags & IgnoreHeader)) {
+    if (!state || !(state->flags & QTextCodec::IgnoreHeader)) {
         QChar bom(QChar::ByteOrderMark);
-        if (endian == BE) {
+        if (endian == BigEndianness) {
             data[0] = bom.row();
             data[1] = bom.cell();
         } else {
@@ -314,7 +276,7 @@ QByteArray QUtf16Codec::convertFromUnicode(const QChar *uc, int len, ConverterSt
         }
         data += 2;
     }
-    if (endian == BE) {
+    if (endian == BigEndianness) {
         for (int i = 0; i < len; ++i) {
             *(data++) = uc[i].row();
             *(data++) = uc[i].cell();
@@ -328,35 +290,35 @@ QByteArray QUtf16Codec::convertFromUnicode(const QChar *uc, int len, ConverterSt
 
     if (state) {
         state->remainingChars = 0;
-        state->flags |= IgnoreHeader;
+        state->flags |= QTextCodec::IgnoreHeader;
     }
     return d;
 }
 
-QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+QString QUtf16::convertToUnicode(const char *chars, int len, QTextCodec::ConverterState *state, DataEndianness e)
 {
-    Endianness endian = e;
+    DataEndianness endian = e;
     bool half = false;
     uchar buf = 0;
     bool headerdone = false;
     if (state) {
-        headerdone = state->flags & IgnoreHeader;
-        if (endian == Detect)
-            endian = (Endianness)state->state_data[Endian];
+        headerdone = state->flags & QTextCodec::IgnoreHeader;
+        if (endian == DetectEndianness)
+            endian = (DataEndianness)state->state_data[Endian];
         if (state->remainingChars) {
             half = true;
             buf = state->state_data[Data];
         }
     }
-    if (headerdone && endian == Detect)
-        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    if (headerdone && endian == DetectEndianness)
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BigEndianness : LittleEndianness;
 
     QString result(len, Qt::Uninitialized); // worst case
     QChar *qch = (QChar *)result.unicode();
     while (len--) {
         if (half) {
             QChar ch;
-            if (endian == LE) {
+            if (endian == LittleEndianness) {
                 ch.setRow(*chars++);
                 ch.setCell(buf);
             } else {
@@ -364,17 +326,17 @@ QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState
                 ch.setCell(*chars++);
             }
             if (!headerdone) {
-                if (endian == Detect) {
-                    if (ch == QChar::ByteOrderSwapped && endian != BE) {
-                        endian = LE;
-                    } else if (ch == QChar::ByteOrderMark && endian != LE) {
+                if (endian == DetectEndianness) {
+                    if (ch == QChar::ByteOrderSwapped && endian != BigEndianness) {
+                        endian = LittleEndianness;
+                    } else if (ch == QChar::ByteOrderMark && endian != LittleEndianness) {
                         // ignore BOM
-                        endian = BE;
+                        endian = BigEndianness;
                     } else {
                         if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
-                            endian = BE;
+                            endian = BigEndianness;
                         } else {
-                            endian = LE;
+                            endian = LittleEndianness;
                             ch = QChar((ch.unicode() >> 8) | ((ch.unicode() & 0xff) << 8));
                         }
                         *qch++ = ch;
@@ -396,7 +358,7 @@ QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState
 
     if (state) {
         if (headerdone)
-            state->flags |= IgnoreHeader;
+            state->flags |= QTextCodec::IgnoreHeader;
         state->state_data[Endian] = endian;
         if (half) {
             state->remainingChars = 1;
@@ -409,72 +371,21 @@ QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState
     return result;
 }
 
-int QUtf16Codec::mibEnum() const
-{
-    return 1015;
-}
-
-QByteArray QUtf16Codec::name() const
-{
-    return "UTF-16";
-}
-
-QList<QByteArray> QUtf16Codec::aliases() const
-{
-    return QList<QByteArray>();
-}
-
-int QUtf16BECodec::mibEnum() const
-{
-    return 1013;
-}
-
-QByteArray QUtf16BECodec::name() const
-{
-    return "UTF-16BE";
-}
-
-QList<QByteArray> QUtf16BECodec::aliases() const
-{
-    QList<QByteArray> list;
-    return list;
-}
-
-int QUtf16LECodec::mibEnum() const
-{
-    return 1014;
-}
-
-QByteArray QUtf16LECodec::name() const
-{
-    return "UTF-16LE";
-}
-
-QList<QByteArray> QUtf16LECodec::aliases() const
-{
-    QList<QByteArray> list;
-    return list;
-}
-
-QUtf32Codec::~QUtf32Codec()
-{
-}
-
-QByteArray QUtf32Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+QByteArray QUtf32::convertFromUnicode(const QChar *uc, int len, QTextCodec::ConverterState *state, DataEndianness e)
 {
-    Endianness endian = e;
+    DataEndianness endian = e;
     int length =  4*len;
-    if (!state || (!(state->flags & IgnoreHeader))) {
+    if (!state || (!(state->flags & QTextCodec::IgnoreHeader))) {
         length += 4;
     }
-    if (e == Detect) {
-        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    if (e == DetectEndianness) {
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BigEndianness : LittleEndianness;
     }
 
     QByteArray d(length, Qt::Uninitialized);
     char *data = d.data();
-    if (!state || !(state->flags & IgnoreHeader)) {
-        if (endian == BE) {
+    if (!state || !(state->flags & QTextCodec::IgnoreHeader)) {
+        if (endian == BigEndianness) {
             data[0] = 0;
             data[1] = 0;
             data[2] = (char)0xfe;
@@ -487,7 +398,7 @@ QByteArray QUtf32Codec::convertFromUnicode(const QChar *uc, int len, ConverterSt
         }
         data += 4;
     }
-    if (endian == BE) {
+    if (endian == BigEndianness) {
         for (int i = 0; i < len; ++i) {
             uint cp = uc[i].unicode();
             if (uc[i].isHighSurrogate() && i < len - 1)
@@ -511,59 +422,59 @@ QByteArray QUtf32Codec::convertFromUnicode(const QChar *uc, int len, ConverterSt
 
     if (state) {
         state->remainingChars = 0;
-        state->flags |= IgnoreHeader;
+        state->flags |= QTextCodec::IgnoreHeader;
     }
     return d;
 }
 
-QString QUtf32Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+QString QUtf32::convertToUnicode(const char *chars, int len, QTextCodec::ConverterState *state, DataEndianness e)
 {
-    Endianness endian = e;
+    DataEndianness endian = e;
     uchar tuple[4];
     int num = 0;
     bool headerdone = false;
     if (state) {
-        headerdone = state->flags & IgnoreHeader;
-        if (endian == Detect) {
-            endian = (Endianness)state->state_data[Endian];
+        headerdone = state->flags & QTextCodec::IgnoreHeader;
+        if (endian == DetectEndianness) {
+            endian = (DataEndianness)state->state_data[Endian];
         }
         num = state->remainingChars;
         memcpy(tuple, &state->state_data[Data], 4);
     }
-    if (headerdone && endian == Detect)
-        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BE : LE;
+    if (headerdone && endian == DetectEndianness)
+        endian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) ? BigEndianness : LittleEndianness;
 
     QString result;
     result.resize((num + len) >> 2 << 1); // worst case
     QChar *qch = (QChar *)result.unicode();
-    
+
     const char *end = chars + len;
     while (chars < end) {
         tuple[num++] = *chars++;
         if (num == 4) {
             if (!headerdone) {
-                if (endian == Detect) {
-                    if (endian == Detect) {
-                        if (tuple[0] == 0xff && tuple[1] == 0xfe && tuple[2] == 0 && tuple[3] == 0 && endian != BE) {
-                            endian = LE;
+                if (endian == DetectEndianness) {
+                    if (endian == DetectEndianness) {
+                        if (tuple[0] == 0xff && tuple[1] == 0xfe && tuple[2] == 0 && tuple[3] == 0 && endian != BigEndianness) {
+                            endian = LittleEndianness;
                             num = 0;
                             continue;
-                        } else if (tuple[0] == 0 && tuple[1] == 0 && tuple[2] == 0xfe && tuple[3] == 0xff && endian != LE) {
-                            endian = BE;
+                        } else if (tuple[0] == 0 && tuple[1] == 0 && tuple[2] == 0xfe && tuple[3] == 0xff && endian != LittleEndianness) {
+                            endian = BigEndianness;
                             num = 0;
                             continue;
                         } else if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
-                            endian = BE;
+                            endian = BigEndianness;
                         } else {
-                            endian = LE;
+                            endian = LittleEndianness;
                         }
                     }
-                } else if (((endian == BE) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple)) == QChar::ByteOrderMark) {
+                } else if (((endian == BigEndianness) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple)) == QChar::ByteOrderMark) {
                     num = 0;
                     continue;
                 }
             }
-            uint code = (endian == BE) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple);
+            uint code = (endian == BigEndianness) ? qFromBigEndian<quint32>(tuple) : qFromLittleEndian<quint32>(tuple);
             if (code >= 0x10000) {
                 *qch++ = QChar::highSurrogate(code);
                 *qch++ = QChar::lowSurrogate(code);
@@ -574,10 +485,10 @@ QString QUtf32Codec::convertToUnicode(const char *chars, int len, ConverterState
         }
     }
     result.truncate(qch - result.unicode());
-    
+
     if (state) {
         if (headerdone)
-            state->flags |= IgnoreHeader;
+            state->flags |= QTextCodec::IgnoreHeader;
         state->state_data[Endian] = endian;
         state->remainingChars = num;
         memcpy(&state->state_data[Data], tuple, 4);
@@ -585,6 +496,113 @@ QString QUtf32Codec::convertToUnicode(const char *chars, int len, ConverterState
     return result;
 }
 
+
+#ifndef QT_NO_TEXTCODEC
+
+QUtf8Codec::~QUtf8Codec()
+{
+}
+
+QByteArray QUtf8Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    return QUtf8::convertFromUnicode(uc, len, state);
+}
+
+void QUtf8Codec::convertToUnicode(QString *target, const char *chars, int len, ConverterState *state) const
+{
+    *target += QUtf8::convertToUnicode(chars, len, state);
+}
+
+QString QUtf8Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    return QUtf8::convertToUnicode(chars, len, state);
+}
+
+QByteArray QUtf8Codec::name() const
+{
+    return "UTF-8";
+}
+
+int QUtf8Codec::mibEnum() const
+{
+    return 106;
+}
+
+QUtf16Codec::~QUtf16Codec()
+{
+}
+
+QByteArray QUtf16Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    return QUtf16::convertFromUnicode(uc, len, state, e);
+}
+
+QString QUtf16Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    return QUtf16::convertToUnicode(chars, len, state, e);
+}
+
+int QUtf16Codec::mibEnum() const
+{
+    return 1015;
+}
+
+QByteArray QUtf16Codec::name() const
+{
+    return "UTF-16";
+}
+
+QList<QByteArray> QUtf16Codec::aliases() const
+{
+    return QList<QByteArray>();
+}
+
+int QUtf16BECodec::mibEnum() const
+{
+    return 1013;
+}
+
+QByteArray QUtf16BECodec::name() const
+{
+    return "UTF-16BE";
+}
+
+QList<QByteArray> QUtf16BECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+int QUtf16LECodec::mibEnum() const
+{
+    return 1014;
+}
+
+QByteArray QUtf16LECodec::name() const
+{
+    return "UTF-16LE";
+}
+
+QList<QByteArray> QUtf16LECodec::aliases() const
+{
+    QList<QByteArray> list;
+    return list;
+}
+
+QUtf32Codec::~QUtf32Codec()
+{
+}
+
+QByteArray QUtf32Codec::convertFromUnicode(const QChar *uc, int len, ConverterState *state) const
+{
+    return QUtf32::convertFromUnicode(uc, len, state, e);
+}
+
+QString QUtf32Codec::convertToUnicode(const char *chars, int len, ConverterState *state) const
+{
+    return QUtf32::convertToUnicode(chars, len, state, e);
+}
+
 int QUtf32Codec::mibEnum() const
 {
     return 1017;
@@ -633,7 +651,6 @@ QList<QByteArray> QUtf32LECodec::aliases() const
     return list;
 }
 
+#endif //QT_NO_TEXTCODEC
 
 QT_END_NAMESPACE
-
-#endif //QT_NO_TEXTCODEC
diff --git a/src/corelib/codecs/qutfcodec_p.h b/src/corelib/codecs/qutfcodec_p.h
index 749f5be..4f8f92e 100644
--- a/src/corelib/codecs/qutfcodec_p.h
+++ b/src/corelib/codecs/qutfcodec_p.h
@@ -54,9 +54,35 @@
 //
 
 #include "QtCore/qtextcodec.h"
+#include "private/qtextcodec_p.h"
 
 QT_BEGIN_NAMESPACE
 
+enum DataEndianness
+{
+    DetectEndianness,
+    BigEndianness,
+    LittleEndianness
+};
+
+struct QUtf8
+{
+    static QString convertToUnicode(const char *, int, QTextCodec::ConverterState *);
+    static QByteArray convertFromUnicode(const QChar *, int, QTextCodec::ConverterState *);
+};
+
+struct QUtf16
+{
+    static QString convertToUnicode(const char *, int, QTextCodec::ConverterState *, DataEndianness = DetectEndianness);
+    static QByteArray convertFromUnicode(const QChar *, int, QTextCodec::ConverterState *, DataEndianness = DetectEndianness);
+};
+
+struct QUtf32
+{
+    static QString convertToUnicode(const char *, int, QTextCodec::ConverterState *, DataEndianness = DetectEndianness);
+    static QByteArray convertFromUnicode(const QChar *, int, QTextCodec::ConverterState *, DataEndianness = DetectEndianness);
+};
+
 #ifndef QT_NO_TEXTCODEC
 
 class QUtf8Codec : public QTextCodec {
@@ -73,13 +99,8 @@ public:
 
 class QUtf16Codec : public QTextCodec {
 protected:
-    enum Endianness {
-        Detect,
-        BE,
-        LE
-    };
 public:
-    QUtf16Codec() { e = Detect; }
+    QUtf16Codec() { e = DetectEndianness; }
     ~QUtf16Codec();
 
     QByteArray name() const;
@@ -90,12 +111,12 @@ public:
     QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
 
 protected:
-    Endianness e;
+    DataEndianness e;
 };
 
 class QUtf16BECodec : public QUtf16Codec {
 public:
-    QUtf16BECodec() : QUtf16Codec() { e = BE; }
+    QUtf16BECodec() : QUtf16Codec() { e = BigEndianness; }
     QByteArray name() const;
     QList<QByteArray> aliases() const;
     int mibEnum() const;
@@ -103,21 +124,15 @@ public:
 
 class QUtf16LECodec : public QUtf16Codec {
 public:
-    QUtf16LECodec() : QUtf16Codec() { e = LE; }
+    QUtf16LECodec() : QUtf16Codec() { e = LittleEndianness; }
     QByteArray name() const;
     QList<QByteArray> aliases() const;
     int mibEnum() const;
 };
 
 class QUtf32Codec : public QTextCodec {
-protected:
-    enum Endianness {
-        Detect,
-        BE,
-        LE
-    };
 public:
-    QUtf32Codec() { e = Detect; }
+    QUtf32Codec() { e = DetectEndianness; }
     ~QUtf32Codec();
 
     QByteArray name() const;
@@ -128,12 +143,12 @@ public:
     QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
 
 protected:
-    Endianness e;
+    DataEndianness e;
 };
 
 class QUtf32BECodec : public QUtf32Codec {
 public:
-    QUtf32BECodec() : QUtf32Codec() { e = BE; }
+    QUtf32BECodec() : QUtf32Codec() { e = BigEndianness; }
     QByteArray name() const;
     QList<QByteArray> aliases() const;
     int mibEnum() const;
@@ -141,7 +156,7 @@ public:
 
 class QUtf32LECodec : public QUtf32Codec {
 public:
-    QUtf32LECodec() : QUtf32Codec() { e = LE; }
+    QUtf32LECodec() : QUtf32Codec() { e = LittleEndianness; }
     QByteArray name() const;
     QList<QByteArray> aliases() const;
     int mibEnum() const;