Merge branch 'kinetic-declarativeui' of git@scm.dev.nokia.troll.no:qt/kinetic into kinetic-declarativeui

15 files changed, 155 insertions, 134 deletions

diff --git a/src/corelib/animation/qanimationgroup.cpp b/src/corelib/animation/qanimationgroup.cpp
index 03573bb..c4066ce 100644
--- a/src/corelib/animation/qanimationgroup.cpp
+++ b/src/corelib/animation/qanimationgroup.cpp
@@ -41,7 +41,7 @@
 
 /*!
     \class QAnimationGroup
-    \brief The QAnimationGroup is an abstract base class for group of animations.
+    \brief The QAnimationGroup class is an abstract base class for group of animations.
     \since 4.5
     \ingroup animation
     \preliminary
diff --git a/src/corelib/codecs/qtsciicodec.cpp b/src/corelib/codecs/qtsciicodec.cpp
index 14d2c9c..0ec0567 100644
--- a/src/corelib/codecs/qtsciicodec.cpp
+++ b/src/corelib/codecs/qtsciicodec.cpp
@@ -180,8 +180,7 @@ QByteArray QTsciiCodec::name() const
 */
 int QTsciiCodec::mibEnum() const
 {
-  /* There is no MIBEnum for TSCII now */
-  return -3197;
+  return 2107;
 }
 
 static const int UnToTsLast = 124; // 125 items -- so the last will be 124
diff --git a/src/corelib/codecs/qutfcodec.cpp b/src/corelib/codecs/qutfcodec.cpp
index 281bf75..1ac592e 100644
--- a/src/corelib/codecs/qutfcodec.cpp
+++ b/src/corelib/codecs/qutfcodec.cpp
@@ -413,9 +413,7 @@ QByteArray QUtf16Codec::name() const
 
 QList<QByteArray> QUtf16Codec::aliases() const
 {
-    QList<QByteArray> list;
-    list << "ISO-10646-UCS-2";
-    return list;
+    return QList<QByteArray>();
 }
 
 int QUtf16BECodec::mibEnum() const
diff --git a/src/corelib/global/qfeatures.h b/src/corelib/global/qfeatures.h
index c172f5f..f11c9df 100644
--- a/src/corelib/global/qfeatures.h
+++ b/src/corelib/global/qfeatures.h
@@ -386,11 +386,6 @@
 #define QT_NO_PHONON_VOLUMESLIDER
 #endif
 
-// QPrinter
-#if !defined(QT_NO_PRINTER) && (defined(QT_NO_TEXTSTREAM))
-#define QT_NO_PRINTER
-#endif
-
 // QProcess
 #if !defined(QT_NO_PROCESS) && (defined(QT_NO_THREAD))
 #define QT_NO_PROCESS
@@ -516,6 +511,11 @@
 #define QT_NO_LIBRARY
 #endif
 
+// QPrinter
+#if !defined(QT_NO_PRINTER) && (defined(QT_NO_TEXTSTREAM) || defined(QT_NO_PICTURE))
+#define QT_NO_PRINTER
+#endif
+
 // QScrollArea
 #if !defined(QT_NO_SCROLLAREA) && (defined(QT_NO_SCROLLBAR))
 #define QT_NO_SCROLLAREA
@@ -646,11 +646,6 @@
 #define QT_NO_WHATSTHIS
 #endif
 
-// Common UNIX Printing System
-#if !defined(QT_NO_CUPS) && (defined(QT_NO_PRINTER) || defined(QT_NO_LIBRARY))
-#define QT_NO_CUPS
-#endif
-
 // QDirModel
 #if !defined(QT_NO_DIRMODEL) && (defined(QT_NO_ITEMVIEWS))
 #define QT_NO_DIRMODEL
@@ -731,6 +726,11 @@
 #define QT_NO_COMPLETER
 #endif
 
+// Common UNIX Printing System
+#if !defined(QT_NO_CUPS) && (defined(QT_NO_PRINTER) || defined(QT_NO_LIBRARY))
+#define QT_NO_CUPS
+#endif
+
 // QDataWidgetMapper
 #if !defined(QT_NO_DATAWIDGETMAPPER) && (defined(QT_NO_ITEMVIEWS) || defined(QT_NO_PROPERTIES))
 #define QT_NO_DATAWIDGETMAPPER
@@ -762,7 +762,7 @@
 #endif
 
 // QPrintPreviewWidget
-#if !defined(QT_NO_PRINTPREVIEWWIDGET) && (defined(QT_NO_GRAPHICSVIEW) || defined(QT_NO_PRINTER) || defined(QT_NO_PICTURE))
+#if !defined(QT_NO_PRINTPREVIEWWIDGET) && (defined(QT_NO_GRAPHICSVIEW) || defined(QT_NO_PRINTER))
 #define QT_NO_PRINTPREVIEWWIDGET
 #endif
 
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index a23b2dd..e4bd664 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -377,12 +377,12 @@ QString qAppName()
     QLibrary) can be retrieved with libraryPaths() and manipulated by
     setLibraryPaths(), addLibraryPath(), and removeLibraryPath().
 
-	On Unix/Linux Qt is configured to use the system local settings by 
-	default. This can cause a conflict when using POSIX functions, for 
-	instance, when converting between data types such as floats and 
-	strings, since the notation may differ between locales. To get 
-	around this problem call the POSIX function setlocale(LC_NUMERIC,"C") 
-	right after initializing QApplication or QCoreApplication to reset 
+	On Unix/Linux Qt is configured to use the system local settings by
+	default. This can cause a conflict when using POSIX functions, for
+	instance, when converting between data types such as floats and
+	strings, since the notation may differ between locales. To get
+	around this problem call the POSIX function setlocale(LC_NUMERIC,"C")
+	right after initializing QApplication or QCoreApplication to reset
 	the locale that is used for number formatting to "C"-locale.
 
     \sa QApplication, QAbstractEventDispatcher, QEventLoop,
@@ -1908,8 +1908,7 @@ QStringList QCoreApplication::arguments()
                 l1arg == "-qdebug" ||
                 l1arg == "-reverse" ||
                 l1arg == "-stylesheet" ||
-                l1arg == "-widgetcount" ||
-                l1arg == "-direct3d")
+                l1arg == "-widgetcount")
                 ;
             else if (l1arg.startsWith("-style="))
                 ;
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index fc1cefb..4b4dfe5 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -260,6 +260,7 @@ QT_BEGIN_NAMESPACE
     \omitvalue ApplicationActivated
     \omitvalue ApplicationDeactivated
     \omitvalue MacGLWindowChange
+    \omitvalue MacGLClearDrawable
     \omitvalue NetworkReplyUpdated
     \omitvalue FutureCallOut
     \omitvalue CocoaRequestModal
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index 3fd768a..3c5b277 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -42,6 +42,7 @@
 #include "qeventdispatcher_glib_p.h"
 #include "qeventdispatcher_unix_p.h"
 
+#include <private/qmutexpool_p.h>
 #include <private/qthread_p.h>
 
 #include "qcoreapplication.h"
@@ -224,6 +225,8 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     : mainContext(context)
 {
     if (qgetenv("QT_NO_THREADED_GLIB").isEmpty()) {
+        static int dummyValue = 0; // only used for its address
+        QMutexLocker locker(QMutexPool::instance()->get(&dummyValue));
         if (!g_thread_supported())
             g_thread_init(NULL);
     }
diff --git a/src/corelib/kernel/qeventloop.cpp b/src/corelib/kernel/qeventloop.cpp
index 92bdf73..600f787 100644
--- a/src/corelib/kernel/qeventloop.cpp
+++ b/src/corelib/kernel/qeventloop.cpp
@@ -188,8 +188,9 @@ int QEventLoop::exec(ProcessEventsFlags flags)
     d->threadData->eventLoops.push(this);
 
     // remove posted quit events when entering a new event loop
-    if (qApp->thread() == thread())
-        QCoreApplication::removePostedEvents(qApp, QEvent::Quit);
+    QCoreApplication *app = QCoreApplication::instance();
+    if (app && app->thread() == thread())
+        QCoreApplication::removePostedEvents(app, QEvent::Quit);
 
 #if defined(QT_NO_EXCEPTIONS)
     while (!d->exit)
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index b4427c0..b53e91f 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -71,27 +71,6 @@ QT_BEGIN_NAMESPACE
 #  define FLT_DIG 6
 #endif
 
-
-static const void *constDataHelper(const QVariant::Private &d)
-{
-    switch (d.type) {
-    case QVariant::Int:
-        return &d.data.i;
-    case QVariant::UInt:
-        return &d.data.u;
-    case QVariant::Bool:
-        return &d.data.b;
-    case QVariant::LongLong:
-        return &d.data.ll;
-    case QVariant::ULongLong:
-        return &d.data.ull;
-    case QVariant::Double:
-        return &d.data.d;
-    default:
-        return d.is_shared ? d.data.shared->ptr : reinterpret_cast<const void *>(&d.data.ptr);
-    }
-}
-
 static void construct(QVariant::Private *x, const void *copy)
 {
     x->is_shared = false;
@@ -179,6 +158,9 @@ static void construct(QVariant::Private *x, const void *copy)
     case QVariant::Double:
         x->data.d = copy ? *static_cast<const double*>(copy) : 0.0;
         break;
+    case QMetaType::Float:
+        x->data.f = copy ? *static_cast<const float*>(copy) : 0.0f;
+        break;
     case QVariant::LongLong:
         x->data.ll = copy ? *static_cast<const qlonglong *>(copy) : Q_INT64_C(0);
         break;
@@ -274,6 +256,7 @@ static void clear(QVariant::Private *d)
     case QVariant::LongLong:
     case QVariant::ULongLong:
     case QVariant::Double:
+    case QMetaType::Float:
         break;
     case QVariant::Invalid:
     case QVariant::UserType:
@@ -342,6 +325,7 @@ static bool isNull(const QVariant::Private *d)
     case QVariant::ULongLong:
     case QVariant::Bool:
     case QVariant::Double:
+    case QMetaType::Float:
         break;
     }
     return d->is_null;
@@ -433,6 +417,8 @@ static bool compare(const QVariant::Private *a, const QVariant::Private *b)
         return a->data.b == b->data.b;
     case QVariant::Double:
         return a->data.d == b->data.d;
+    case QMetaType::Float:
+        return a->data.f == b->data.f;
     case QVariant::Date:
         return *v_cast<QDate>(a) == *v_cast<QDate>(b);
     case QVariant::Time:
@@ -491,7 +477,7 @@ static qlonglong qMetaTypeNumber(const QVariant::Private *d)
     case QMetaType::Long:
         return qlonglong(*static_cast<long *>(d->data.shared->ptr));
     case QMetaType::Float:
-        return qRound64(*static_cast<float *>(d->data.shared->ptr));
+        return qRound64(d->data.f);
     case QVariant::Double:
         return qRound64(d->data.d);
     }
@@ -628,7 +614,7 @@ static bool convert(const QVariant::Private *d, QVariant::Type t, void *result,
             *str = QString::number(qMetaTypeUNumber(d));
             break;
         case QMetaType::Float:
-            *str = QString::number(*static_cast<float *>(d->data.shared->ptr), 'g', FLT_DIG);
+            *str = QString::number(d->data.f, 'g', FLT_DIG);
             break;
         case QVariant::Double:
             *str = QString::number(d->data.d, 'g', DBL_DIG);
@@ -799,7 +785,7 @@ static bool convert(const QVariant::Private *d, QVariant::Type t, void *result,
             *ba = QByteArray::number(d->data.d, 'g', DBL_DIG);
             break;
         case QMetaType::Float:
-            *ba = QByteArray::number(*static_cast<float *>(d->data.shared->ptr), 'g', FLT_DIG);
+            *ba = QByteArray::number(d->data.f, 'g', FLT_DIG);
             break;
         case QMetaType::Char:
         case QMetaType::UChar:
@@ -901,7 +887,7 @@ static bool convert(const QVariant::Private *d, QVariant::Type t, void *result,
             *f = double(d->data.b);
             break;
         case QMetaType::Float:
-            *f = *static_cast<float *>(d->data.shared->ptr);
+            *f = double(d->data.f);
             break;
         case QVariant::LongLong:
         case QVariant::Int:
@@ -1355,7 +1341,7 @@ void QVariant::create(int type, const void *copy)
 
 QVariant::~QVariant()
 {
-    if (d.type > Char && (!d.is_shared || !d.data.shared->ref.deref()))
+    if (d.type > Char && d.type != QMetaType::Float && (!d.is_shared || !d.data.shared->ref.deref()))
         handler->clear(&d);
 }
 
@@ -1371,7 +1357,7 @@ QVariant::QVariant(const QVariant &p)
 {
     if (d.is_shared) {
         d.data.shared->ref.ref();
-    } else if (p.d.type > Char) {
+    } else if (p.d.type > Char && p.d.type != QMetaType::Float) {
         handler->construct(&d, p.constData());
         d.is_null = p.d.is_null;
     }
@@ -1565,6 +1551,12 @@ QVariant::QVariant(const char *val)
 */
 
 /*!
+  \fn QVariant::QVariant(float val)
+
+    Constructs a new variant with a floating point value, \a val.
+*/
+
+/*!
     \fn QVariant::QVariant(const QList<QVariant> &val)
 
     Constructs a new variant with a list value, \a val.
@@ -1619,44 +1611,44 @@ QVariant::QVariant(double val)
 { d.is_null = false; d.type = Double; d.data.d = val; }
 
 QVariant::QVariant(const QByteArray &val)
-{ create(ByteArray, &val); }
+{ d.is_null = false; d.type = ByteArray; v_construct<QByteArray>(&d, val); }
 QVariant::QVariant(const QBitArray &val)
-{ create(BitArray, &val); }
+{ d.is_null = false; d.type = BitArray; v_construct<QBitArray>(&d, val);  }
 QVariant::QVariant(const QString &val)
-{ create(String, &val); }
+{ d.is_null = false; d.type = String; v_construct<QString>(&d, val);  }
 QVariant::QVariant(const QChar &val)
-{ create (Char, &val); }
+{ d.is_null = false; d.type = Char; v_construct<QChar>(&d, val);  }
 QVariant::QVariant(const QLatin1String &val)
-{ QString str(val); create(String, &str); }
+{ QString str(val); d.is_null = false; d.type = String; v_construct<QString>(&d, str); }
 QVariant::QVariant(const QStringList &val)
-{ create(StringList, &val); }
+{ d.is_null = false; d.type = StringList; v_construct<QStringList>(&d, val); }
 
 QVariant::QVariant(const QDate &val)
-{ create(Date, &val); }
+{ d.is_null = false; d.type = Date; v_construct<QDate>(&d, val); }
 QVariant::QVariant(const QTime &val)
-{ create(Time, &val); }
+{ d.is_null = false; d.type = Time; v_construct<QTime>(&d, val); }
 QVariant::QVariant(const QDateTime &val)
-{ create(DateTime, &val); }
+{ d.is_null = false; d.type = DateTime; v_construct<QDateTime>(&d, val); }
 QVariant::QVariant(const QList<QVariant> &list)
-{ create(List, &list); }
+{ d.is_null = false; d.type = List; v_construct<QVariantList>(&d, list); }
 QVariant::QVariant(const QMap<QString, QVariant> &map)
-{ create(Map, &map); }
+{ d.is_null = false; d.type = Map; v_construct<QVariantMap>(&d, map); }
 QVariant::QVariant(const QHash<QString, QVariant> &hash)
-{ create(Hash, &hash); }
+{ d.is_null = false; d.type = Hash; v_construct<QVariantHash>(&d, hash); }
 #ifndef QT_NO_GEOM_VARIANT
-QVariant::QVariant(const QPoint &pt) { create(Point, &pt); }
-QVariant::QVariant(const QPointF &pt) { create (PointF, &pt); }
-QVariant::QVariant(const QRectF &r) { create (RectF, &r); }
-QVariant::QVariant(const QLineF &l) { create (LineF, &l); }
-QVariant::QVariant(const QLine &l) { create (Line, &l); }
-QVariant::QVariant(const QRect &r) { create(Rect, &r); }
-QVariant::QVariant(const QSize &s) { create(Size, &s); }
-QVariant::QVariant(const QSizeF &s) { create(SizeF, &s); }
+QVariant::QVariant(const QPoint &pt) { d.is_null = false; d.type = Point; v_construct<QPoint>(&d, pt); }
+QVariant::QVariant(const QPointF &pt) { d.is_null = false; d.type = PointF; v_construct<QPointF>(&d, pt); }
+QVariant::QVariant(const QRectF &r) { d.is_null = false; d.type = RectF; v_construct<QRectF>(&d, r); }
+QVariant::QVariant(const QLineF &l) { d.is_null = false; d.type = LineF; v_construct<QLineF>(&d, l); }
+QVariant::QVariant(const QLine &l) { d.is_null = false; d.type = Line; v_construct<QLine>(&d, l); }
+QVariant::QVariant(const QRect &r) { d.is_null = false; d.type = Rect; v_construct<QRect>(&d, r); }
+QVariant::QVariant(const QSize &s) { d.is_null = false; d.type = Size; v_construct<QSize>(&d, s); }
+QVariant::QVariant(const QSizeF &s) { d.is_null = false; d.type = SizeF; v_construct<QSizeF>(&d, s); }
 #endif
-QVariant::QVariant(const QUrl &u) { create(Url, &u); }
-QVariant::QVariant(const QLocale &l) { create(Locale, &l); }
+QVariant::QVariant(const QUrl &u) { d.is_null = false; d.type = Url; v_construct<QUrl>(&d, u); }
+QVariant::QVariant(const QLocale &l) { d.is_null = false; d.type = Locale; v_construct<QLocale>(&d, l); }
 #ifndef QT_NO_REGEXP
-QVariant::QVariant(const QRegExp &regExp) { create(RegExp, &regExp); }
+QVariant::QVariant(const QRegExp &regExp) { d.is_null = false; d.type = RegExp; v_construct<QRegExp>(&d, regExp); }
 #endif
 QVariant::QVariant(Qt::GlobalColor color) { create(62, &color); }
 
@@ -1721,7 +1713,7 @@ QVariant& QVariant::operator=(const QVariant &variant)
     if (variant.d.is_shared) {
         variant.d.data.shared->ref.ref();
         d = variant.d;
-    } else if (variant.d.type > Char) {
+    } else if (variant.d.type > Char && variant.d.type != QMetaType::Float) {
         d.type = variant.d.type;
         handler->construct(&d, variant.constData());
         d.is_null = variant.d.is_null;
@@ -1907,7 +1899,7 @@ void QVariant::load(QDataStream &s)
     }
 
     // const cast is safe since we operate on a newly constructed variant
-    if (!QMetaType::load(s, d.type, const_cast<void *>(constDataHelper(d)))) {
+    if (!QMetaType::load(s, d.type, const_cast<void *>(constData()))) {
         s.setStatus(QDataStream::ReadCorruptData);
         qWarning("QVariant::load: unable to load type %d.", d.type);
     }
@@ -1947,7 +1939,7 @@ void QVariant::save(QDataStream &s) const
         return;
     }
 
-    if (!QMetaType::save(s, d.type, constDataHelper(d))) {
+    if (!QMetaType::save(s, d.type, constData())) {
         Q_ASSERT_X(false, "QVariant::save", "Invalid type to save");
         qWarning("QVariant::save: unable to save type %d.", d.type);
     }
@@ -2565,57 +2557,63 @@ static const quint32 qCanConvertMatrix[QVariant::LastCoreType + 1] =
 */
 bool QVariant::canConvert(Type t) const
 {
-    if (d.type == uint(t))
+    //we can treat floats as double
+    //the reason for not doing it the "proper" way is that QMetaType::Float's value is 135,
+    //which can't be handled by qCanConvertMatrix
+    //In addition QVariant::Type doesn't have a Float value, so we're using QMetaType::Float
+    const uint currentType = ((d.type == QMetaType::Float) ? QVariant::Double : d.type);
+    if (uint(t) == uint(QMetaType::Float)) t = QVariant::Double;
+
+    if (currentType == uint(t))
         return true;
 
-    if (d.type > QVariant::LastCoreType || t > QVariant::LastCoreType) {
+    if (currentType > QVariant::LastCoreType || t > QVariant::LastCoreType) {
         switch (uint(t)) {
         case QVariant::Int:
-            return d.type == QVariant::KeySequence
-                   || d.type == QMetaType::ULong
-                   || d.type == QMetaType::Long
-                   || d.type == QMetaType::UShort
-                   || d.type == QMetaType::UChar
-                   || d.type == QMetaType::Char
-                   || d.type == QMetaType::Short;
+            return currentType == QVariant::KeySequence
+                   || currentType == QMetaType::ULong
+                   || currentType == QMetaType::Long
+                   || currentType == QMetaType::UShort
+                   || currentType == QMetaType::UChar
+                   || currentType == QMetaType::Char
+                   || currentType == QMetaType::Short;
         case QVariant::Image:
-            return d.type == QVariant::Pixmap || d.type == QVariant::Bitmap;
+            return currentType == QVariant::Pixmap || currentType == QVariant::Bitmap;
         case QVariant::Pixmap:
-            return d.type == QVariant::Image || d.type == QVariant::Bitmap
-                              || d.type == QVariant::Brush;
+            return currentType == QVariant::Image || currentType == QVariant::Bitmap
+                              || currentType == QVariant::Brush;
         case QVariant::Bitmap:
-            return d.type == QVariant::Pixmap || d.type == QVariant::Image;
+            return currentType == QVariant::Pixmap || currentType == QVariant::Image;
         case QVariant::ByteArray:
-            return d.type == QVariant::Color;
+            return currentType == QVariant::Color;
         case QVariant::String:
-            return d.type == QVariant::KeySequence || d.type == QVariant::Font
-                              || d.type == QVariant::Color;
+            return currentType == QVariant::KeySequence || currentType == QVariant::Font
+                              || currentType == QVariant::Color;
         case QVariant::KeySequence:
-            return d.type == QVariant::String || d.type == QVariant::Int;
+            return currentType == QVariant::String || currentType == QVariant::Int;
         case QVariant::Font:
-            return d.type == QVariant::String;
+            return currentType == QVariant::String;
         case QVariant::Color:
-            return d.type == QVariant::String || d.type == QVariant::ByteArray
-                              || d.type == QVariant::Brush;
+            return currentType == QVariant::String || currentType == QVariant::ByteArray
+                              || currentType == QVariant::Brush;
         case QVariant::Brush:
-            return d.type == QVariant::Color || d.type == QVariant::Pixmap;
+            return currentType == QVariant::Color || currentType == QVariant::Pixmap;
         case QMetaType::Long:
         case QMetaType::Char:
         case QMetaType::UChar:
         case QMetaType::ULong:
         case QMetaType::Short:
         case QMetaType::UShort:
-        case QMetaType::Float:
-            return qCanConvertMatrix[QVariant::Int] & (1 << d.type) || d.type == QVariant::Int;
+            return qCanConvertMatrix[QVariant::Int] & (1 << currentType) || currentType == QVariant::Int;
         default:
             return false;
         }
     }
 
-    if(t == String && d.type == StringList)
+    if(t == String && currentType == StringList)
         return v_cast<QStringList>(&d)->count() == 1;
     else
-        return qCanConvertMatrix[t] & (1 << d.type);
+        return qCanConvertMatrix[t] & (1 << currentType);
 }
 
 /*!
@@ -2726,7 +2724,7 @@ bool QVariant::cmp(const QVariant &v) const
 
 const void *QVariant::constData() const
 {
-    return constDataHelper(d);
+    return d.is_shared ? d.data.shared->ptr : reinterpret_cast<const void *>(&d.data.ptr);
 }
 
 /*!
@@ -2739,7 +2737,7 @@ const void *QVariant::constData() const
 void* QVariant::data()
 {
     detach();
-    return const_cast<void *>(constDataHelper(d));
+    return const_cast<void *>(constData());
 }
 
 
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
index 580b101..d73fcbc 100644
--- a/src/corelib/kernel/qvariant.h
+++ b/src/corelib/kernel/qvariant.h
@@ -128,7 +128,7 @@ class Q_CORE_EXPORT QVariant
         LineF = 24,
         Point = 25,
         PointF = 26,
-        RegExp = 27,
+	RegExp = 27,
         Hash = 28,
         LastCoreType = Hash,
 
@@ -181,6 +181,7 @@ class Q_CORE_EXPORT QVariant
     QVariant(qulonglong ull);
     QVariant(bool b);
     QVariant(double d);
+    QVariant(float f) { d.is_null = false; d.type = QMetaType::Float; d.data.f = f; }
 #ifndef QT_NO_CAST_FROM_ASCII
     QT_ASCII_CAST_WARN_CONSTRUCTOR QVariant(const char *str);
 #endif
@@ -349,6 +350,7 @@ class Q_CORE_EXPORT QVariant
             uint u;
             bool b;
             double d;
+            float f;
             qlonglong ll;
             qulonglong ull;
             void *ptr;
@@ -443,7 +445,18 @@ inline QVariant qVariantFromValue(const QVariant &t) { return t; }
 template <typename T>
 inline void qVariantSetValue(QVariant &v, const T &t)
 {
-    v = QVariant(qMetaTypeId<T>(reinterpret_cast<T *>(0)), &t);
+    //if possible we reuse the current QVariant private
+    const int type = qMetaTypeId<T>(reinterpret_cast<T *>(0));
+    QVariant::Private &d = v.data_ptr();
+    if (type <= int(QVariant::Char) || (type == d.type && v.isDetached())) {
+        d.type = type;
+        T *old = reinterpret_cast<T*>(d.is_shared ? d.data.shared->ptr : &d.data.ptr);
+        if (QTypeInfo<T>::isComplex)
+            old->~T();
+        new (old) T(t); //call the copy constructor
+    } else {
+        v = QVariant(type, &t);
+    }
 }
 
 inline QVariant::QVariant() {}
diff --git a/src/corelib/kernel/qvariant_p.h b/src/corelib/kernel/qvariant_p.h
index 0764fe3..074575b 100644
--- a/src/corelib/kernel/qvariant_p.h
+++ b/src/corelib/kernel/qvariant_p.h
@@ -60,8 +60,6 @@
 
 QT_BEGIN_NAMESPACE
 
-extern Q_CORE_EXPORT const QVariant::Handler *qExtendedVariantHandler;
-
 #ifdef Q_CC_SUN // Sun CC picks the wrong overload, so introduce awful hack
 
 template <typename T>
@@ -70,7 +68,7 @@ inline T *v_cast(const QVariant::Private *nd, T * = 0)
     QVariant::Private *d = const_cast<QVariant::Private *>(nd);
     return ((sizeof(T) > sizeof(QVariant::Private::Data))
             ? static_cast<T *>(d->data.shared->ptr)
-            : reinterpret_cast<T*>(&d->data.c));
+            : static_cast<T *>(static_cast<void *>(&d->data.c)));
 }
 
 #else // every other compiler in this world
@@ -80,7 +78,7 @@ inline const T *v_cast(const QVariant::Private *d, T * = 0)
 {
     return ((sizeof(T) > sizeof(QVariant::Private::Data))
             ? static_cast<const T *>(d->data.shared->ptr)
-            : reinterpret_cast<const T *>(&d->data.c));
+            : static_cast<const T *>(static_cast<const void *>(&d->data.c)));
 }
 
 template <typename T>
@@ -88,15 +86,17 @@ inline T *v_cast(QVariant::Private *d, T * = 0)
 {
     return ((sizeof(T) > sizeof(QVariant::Private::Data))
             ? static_cast<T *>(d->data.shared->ptr)
-            : reinterpret_cast<T *>(&d->data.c));
+            : static_cast<T *>(static_cast<void *>(&d->data.c)));
 }
 
 #endif
 
-//a simple template that avoids to allocate 2 buffers when creating a QVariant
+
+//a simple template that avoids to allocate 2 memory chunks when creating a QVariant
 template <class T> class QVariantPrivateSharedEx : public QVariant::PrivateShared
 {
 public:
+    QVariantPrivateSharedEx() : QVariant::PrivateShared(&m_t) { }
     QVariantPrivateSharedEx(const T&t) : QVariant::PrivateShared(&m_t), m_t(t) { }
 
 private:
@@ -105,14 +105,12 @@ private:
 
 // constructs a new variant if copy is 0, otherwise copy-constructs
 template <class T>
-inline void v_construct(QVariant::Private *x, const T& t)
+inline void v_construct(QVariant::Private *x, const T &t)
 {
-    x->type = qMetaTypeId<T>(reinterpret_cast<T *>(0));
     if (sizeof(T) > sizeof(QVariant::Private::Data)) {
         x->data.shared = new QVariantPrivateSharedEx<T>(t);
         x->is_shared = true;
     } else {
-        x->is_shared = false;
         new (&x->data.ptr) T(t);
     }
 }
@@ -120,24 +118,31 @@ inline void v_construct(QVariant::Private *x, const T& t)
 template <class T>
 inline void v_construct(QVariant::Private *x, const void *copy, T * = 0)
 {
-    if (copy) {
-      v_construct<T>(x, *reinterpret_cast<const T*>(copy));
+    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
+        x->data.shared = copy ? new QVariantPrivateSharedEx<T>(*static_cast<const T *>(copy))
+                              : new QVariantPrivateSharedEx<T>;
+        x->is_shared = true;
     } else {
-      T t;
-      v_construct<T>(x, t);
+        if (copy)
+            new (&x->data.ptr) T(*static_cast<const T *>(copy));
+        else
+            new (&x->data.ptr) T;
     }
 }
 
-
 // deletes the internal structures
 template <class T>
 inline void v_clear(QVariant::Private *d, T* = 0)
 {
-    //now we need to call the destructor in any case
-    //because QVariant::PrivateShared doesn't have a virtual destructor
-    v_cast<T>(d)->~T();
-    if (sizeof(T) > sizeof(QVariant::Private::Data))
-        delete d->data.shared;
+
+    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
+        //now we need to cast
+        //because QVariant::PrivateShared doesn't have a virtual destructor
+        delete static_cast<QVariantPrivateSharedEx<T>*>(d->data.shared);
+    } else {
+        v_cast<T>(d)->~T();
+    }
+
 }
 
 QT_END_NAMESPACE
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index f602821..8f1c698 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -180,8 +180,7 @@ void *QThreadPrivate::start(void *arg)
     data->quitNow = false;
 
     // ### TODO: allow the user to create a custom event dispatcher
-    if (QCoreApplication::instance())
-        createEventDispatcher(data);
+    createEventDispatcher(data);
 
     emit thr->started();
     pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
index 27193c6..7094e3d 100644
--- a/src/corelib/thread/qthread_win.cpp
+++ b/src/corelib/thread/qthread_win.cpp
@@ -292,8 +292,7 @@ unsigned int __stdcall QThreadPrivate::start(void *arg)
 
     data->quitNow = false;
     // ### TODO: allow the user to create a custom event dispatcher
-    if (QCoreApplication::instance())
-        createEventDispatcher(data);
+    createEventDispatcher(data);
 
 #if !defined(QT_NO_DEBUG) && defined(Q_CC_MSVC) && !defined(Q_OS_WINCE)
     // sets the name of the current thread.
diff --git a/src/corelib/tools/qbytearraymatcher.cpp b/src/corelib/tools/qbytearraymatcher.cpp
index cd4cf90..211d190 100644
--- a/src/corelib/tools/qbytearraymatcher.cpp
+++ b/src/corelib/tools/qbytearraymatcher.cpp
@@ -120,6 +120,7 @@ QByteArrayMatcher::QByteArrayMatcher()
     : d(0)
 {
     p.p = 0;
+    p.l = 0;
     qMemSet(p.q_skiptable, 0, sizeof(p.q_skiptable));
 }
 
@@ -170,7 +171,7 @@ QByteArrayMatcher::~QByteArrayMatcher()
 QByteArrayMatcher &QByteArrayMatcher::operator=(const QByteArrayMatcher &other)
 {
     q_pattern = other.q_pattern;
-    qMemCopy(p.q_skiptable, other.p.q_skiptable, sizeof(p.q_skiptable));
+    qMemCopy(&p, &other.p, sizeof(p));
     return *this;
 }
 
diff --git a/src/corelib/tools/qbytearraymatcher.h b/src/corelib/tools/qbytearraymatcher.h
index d7f2366..633e92c 100644
--- a/src/corelib/tools/qbytearraymatcher.h
+++ b/src/corelib/tools/qbytearraymatcher.h
@@ -67,7 +67,12 @@ public:
 
     int indexIn(const QByteArray &ba, int from = 0) const;
     int indexIn(const char *str, int len, int from = 0) const;
-    inline QByteArray pattern() const { return q_pattern; }
+    inline QByteArray pattern() const
+    {
+        if (q_pattern.isNull())
+            return QByteArray((const char*)p.p, p.l);
+        return q_pattern;
+    }
 
 private:
     QByteArrayMatcherPrivate *d;