Merge branch 'master' of git@scm.dev.nokia.troll.no:qt/qt

57 files changed, 1601 insertions, 871 deletions

diff --git a/demos/browser/networkaccessmanager.h b/demos/browser/networkaccessmanager.h
index 381cb50..4c4603e 100644
--- a/demos/browser/networkaccessmanager.h
+++ b/demos/browser/networkaccessmanager.h
@@ -43,6 +43,7 @@
 #define NETWORKACCESSMANAGER_H
 
 #include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkRequest>
 
 class NetworkAccessManager : public QNetworkAccessManager
 {
@@ -51,6 +52,14 @@ class NetworkAccessManager : public QNetworkAccessManager
 public:
     NetworkAccessManager(QObject *parent = 0);
 
+    // this is a temporary hack until we properly use the pipelining flags from QtWebkit
+    // pipeline everything! :)
+    virtual QNetworkReply* createRequest ( Operation op, const QNetworkRequest & req, QIODevice * outgoingData = 0 ) {
+        QNetworkRequest request = req; // copy so we can modify
+        request.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true);
+        return QNetworkAccessManager::createRequest(op, request, outgoingData);
+    }
+
 private:
     QList<QString> sslTrustedHostList;
 
diff --git a/src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pri b/src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pri
index b43602e..d65095d 100644
--- a/src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pri
+++ b/src/3rdparty/webkit/JavaScriptCore/JavaScriptCore.pri
@@ -128,7 +128,7 @@ SOURCES += \
     yarr/RegexJIT.cpp \
     interpreter/RegisterFile.cpp
 
-win32-*: SOURCES += jit/ExecutableAllocatorWin.cpp
+win32-*|wince*: SOURCES += jit/ExecutableAllocatorWin.cpp
 else: SOURCES += jit/ExecutableAllocatorPosix.cpp
 
 # AllInOneFile.cpp helps gcc analize and optimize code
diff --git a/src/corelib/animation/qvariantanimation.cpp b/src/corelib/animation/qvariantanimation.cpp
index fc11815..696a95a 100644
--- a/src/corelib/animation/qvariantanimation.cpp
+++ b/src/corelib/animation/qvariantanimation.cpp
@@ -137,7 +137,6 @@ QT_BEGIN_NAMESPACE
     \sa currentValue
 */
 
-
 static bool animationValueLessThan(const QVariantAnimation::KeyValue &p1, const QVariantAnimation::KeyValue &p2)
 {
     return p1.first < p2.first;
@@ -178,11 +177,8 @@ template<> Q_INLINE_TEMPLATE QLineF _q_interpolate(const QLineF &f, const QLineF
     return QLineF( _q_interpolate(f.p1(), t.p1(), progress), _q_interpolate(f.p2(), t.p2(), progress));
 }
 
-QVariantAnimationPrivate::QVariantAnimationPrivate() : duration(250), interpolator(&defaultInterpolator),
-                          changedSignalMask(1 << QVariantAnimation::staticMetaObject.indexOfSignal("valueChanged(QVariant)"))
-{
-    //we keep the mask so that we emit valueChanged only when needed (for performance reasons)
-}
+QVariantAnimationPrivate::QVariantAnimationPrivate() : duration(250), interpolator(&defaultInterpolator)
+{ }
 
 void QVariantAnimationPrivate::convertValues(int t)
 {
@@ -278,7 +274,12 @@ void QVariantAnimationPrivate::setCurrentValueForProgress(const qreal progress)
                                    localProgress);
     qSwap(currentValue, ret);
     q->updateCurrentValue(currentValue);
-    if ((connectedSignals[0] & changedSignalMask) && currentValue != ret) {
+    static QBasicAtomicInt changedSignalIndex = Q_BASIC_ATOMIC_INITIALIZER(0);
+    if (!changedSignalIndex) {
+        //we keep the mask so that we emit valueChanged only when needed (for performance reasons)
+        changedSignalIndex.testAndSetRelaxed(0, signalIndex("valueChanged(QVariant)"));
+    }
+    if (isSignalConnected(changedSignalIndex) && currentValue != ret) {
         //the value has changed
         emit q->valueChanged(currentValue);
     }
diff --git a/src/corelib/animation/qvariantanimation_p.h b/src/corelib/animation/qvariantanimation_p.h
index ef57a4c..ce625f1 100644
--- a/src/corelib/animation/qvariantanimation_p.h
+++ b/src/corelib/animation/qvariantanimation_p.h
@@ -93,8 +93,6 @@ public:
 
     QVariantAnimation::Interpolator interpolator;
 
-    const quint32 changedSignalMask;
-
     void setCurrentValueForProgress(const qreal progress);
     void recalculateCurrentInterval(bool force=false);
     void setValueAt(qreal, const QVariant &);
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
index b150e22..52c507d 100644
--- a/src/corelib/codecs/qtextcodec.cpp
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -696,6 +696,7 @@ static void setup()
     (void)new QJisCodec;
     (void)new QSjisCodec;
     (void)new QEucKrCodec;
+    (void)new QCP949Codec;
     (void)new QBig5Codec;
     (void)new QBig5hkscsCodec;
 #  endif // QT_NO_ICONV && !QT_BOOTSTRAPPED
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
index f42a2ff..20e7845 100644
--- a/src/corelib/global/qlibraryinfo.cpp
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -487,7 +487,7 @@ QT_END_NAMESPACE
 extern const char qt_core_interpreter[] __attribute__((section(".interp")))
     = ELF_INTERPRETER;
 
-extern "C"
+extern "C" void qt_core_boilerplate();
 void qt_core_boilerplate()
 {
     printf("This is the QtCore library version " QT_VERSION_STR "\n"
diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
index ca178ce..fd1e367 100644
--- a/src/corelib/io/qdir.cpp
+++ b/src/corelib/io/qdir.cpp
@@ -2445,7 +2445,7 @@ QDebug operator<<(QDebug debug, QDir::Filters filters)
     return debug;
 }
 
-QDebug operator<<(QDebug debug, QDir::SortFlags sorting)
+static QDebug operator<<(QDebug debug, QDir::SortFlags sorting)
 {
     if (sorting == QDir::NoSort) {
         debug << "QDir::SortFlags(NoSort)";
diff --git a/src/corelib/kernel/qabstracteventdispatcher_p.h b/src/corelib/kernel/qabstracteventdispatcher_p.h
index 86c9d79..dc69265 100644
--- a/src/corelib/kernel/qabstracteventdispatcher_p.h
+++ b/src/corelib/kernel/qabstracteventdispatcher_p.h
@@ -58,6 +58,8 @@
 
 QT_BEGIN_NAMESPACE
 
+Q_CORE_EXPORT uint qGlobalPostedEventsCount();
+
 class Q_CORE_EXPORT QAbstractEventDispatcherPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QAbstractEventDispatcher)
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index 522f0dc..847938f 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -140,63 +140,6 @@ QT_BEGIN_NAMESPACE
     \value Public
 */
 
-// do not touch without touching the moc as well
-enum PropertyFlags  {
-    Invalid = 0x00000000,
-    Readable = 0x00000001,
-    Writable = 0x00000002,
-    Resettable = 0x00000004,
-    EnumOrFlag = 0x00000008,
-    StdCppSet = 0x00000100,
-//     Override = 0x00000200,
-    Constant = 0x00000400,
-    Final = 0x00000800,
-    Designable = 0x00001000,
-    ResolveDesignable = 0x00002000,
-    Scriptable = 0x00004000,
-    ResolveScriptable = 0x00008000,
-    Stored = 0x00010000,
-    ResolveStored = 0x00020000,
-    Editable = 0x00040000,
-    ResolveEditable = 0x00080000,
-    User = 0x00100000,
-    ResolveUser = 0x00200000,
-    Notify = 0x00400000
-};
-
-enum MethodFlags  {
-    AccessPrivate = 0x00,
-    AccessProtected = 0x01,
-    AccessPublic = 0x02,
-    AccessMask = 0x03, //mask
-
-    MethodMethod = 0x00,
-    MethodSignal = 0x04,
-    MethodSlot = 0x08,
-    MethodConstructor = 0x0c,
-    MethodTypeMask = 0x0c,
-
-    MethodCompatibility = 0x10,
-    MethodCloned = 0x20,
-    MethodScriptable = 0x40
-};
-
-enum MetaObjectFlags {
-    DynamicMetaObject = 0x01
-};
-
-struct QMetaObjectPrivate
-{
-    int revision;
-    int className;
-    int classInfoCount, classInfoData;
-    int methodCount, methodData;
-    int propertyCount, propertyData;
-    int enumeratorCount, enumeratorData;
-    int constructorCount, constructorData;
-    int flags;
-};
-
 static inline const QMetaObjectPrivate *priv(const uint* data)
 { return reinterpret_cast<const QMetaObjectPrivate*>(data); }
 
@@ -599,29 +542,46 @@ int QMetaObject::indexOfMethod(const char *method) const
 */
 int QMetaObject::indexOfSignal(const char *signal) const
 {
-    int i = -1;
     const QMetaObject *m = this;
-    while (m && i < 0) {
+    int i = QMetaObjectPrivate::indexOfSignalRelative(&m, signal);
+    if (i >= 0)
+        i += m->methodOffset();
+    return i;
+}
+
+/*! \internal
+    Same as QMetaObject::indexOfSignal, but the result is the local offset to the base object.
+
+    \a baseObject will be adjusted to the enclosing QMetaObject, or 0 if the signal is not found
+*/
+int QMetaObjectPrivate::indexOfSignalRelative(const QMetaObject **baseObject, const char *signal)
+{
+    int i = -1;
+    while (*baseObject) {
+        const QMetaObject *const m = *baseObject;
         for (i = priv(m->d.data)->methodCount-1; i >= 0; --i)
             if ((m->d.data[priv(m->d.data)->methodData + 5*i + 4] & MethodTypeMask) == MethodSignal
                 && strcmp(signal, m->d.stringdata
-                          + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0) {
-                i += m->methodOffset();
+                + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0) {
                 break;
             }
-        m = m->d.superdata;
+        if (i >= 0)
+            break;
+        *baseObject = m->d.superdata;
     }
 #ifndef QT_NO_DEBUG
+    const QMetaObject *m = *baseObject;
     if (i >= 0 && m && m->d.superdata) {
         int conflict = m->d.superdata->indexOfMethod(signal);
         if (conflict >= 0)
             qWarning("QMetaObject::indexOfSignal:%s: Conflict with %s::%s",
-                      m->d.stringdata, m->d.superdata->d.stringdata, signal);
+                     m->d.stringdata, m->d.superdata->d.stringdata, signal);
     }
 #endif
     return i;
 }
 
+
 /*!
     Finds \a slot and returns its index; otherwise returns -1.
 
@@ -2669,4 +2629,20 @@ const char* QMetaClassInfo::value() const
     and \a data.
 */
 
+/*! \internal
+    If the local_method_index is a cloned method, return the index of the original.
+
+    Example: if the index of "destroyed()" is passed, the index of "destroyed(QObject*)" is returned
+ */
+int QMetaObjectPrivate::originalClone(const QMetaObject *mobj, int local_method_index)
+{
+    int handle = get(mobj)->methodData + 5 * local_method_index;
+    while (mobj->d.data[handle + 4] & MethodCloned) {
+        Q_ASSERT(local_method_index > 0);
+        handle -= 5;
+        local_method_index--;
+    }
+    return local_method_index;
+}
+
 QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qmetaobject_p.h b/src/corelib/kernel/qmetaobject_p.h
index 66ed55c..d843deb 100644
--- a/src/corelib/kernel/qmetaobject_p.h
+++ b/src/corelib/kernel/qmetaobject_p.h
@@ -54,9 +54,82 @@
 //
 
 #include <QtCore/qglobal.h>
+#include <QtCore/qobjectdefs.h>
 
 QT_BEGIN_NAMESPACE
 
+enum PropertyFlags  {
+    Invalid = 0x00000000,
+    Readable = 0x00000001,
+    Writable = 0x00000002,
+    Resettable = 0x00000004,
+    EnumOrFlag = 0x00000008,
+    StdCppSet = 0x00000100,
+//     Override = 0x00000200,
+    Constant = 0x00000400,
+    Final = 0x00000800,
+    Designable = 0x00001000,
+    ResolveDesignable = 0x00002000,
+    Scriptable = 0x00004000,
+    ResolveScriptable = 0x00008000,
+    Stored = 0x00010000,
+    ResolveStored = 0x00020000,
+    Editable = 0x00040000,
+    ResolveEditable = 0x00080000,
+    User = 0x00100000,
+    ResolveUser = 0x00200000,
+    Notify = 0x00400000
+};
+
+enum MethodFlags  {
+    AccessPrivate = 0x00,
+    AccessProtected = 0x01,
+    AccessPublic = 0x02,
+    AccessMask = 0x03, //mask
+
+    MethodMethod = 0x00,
+    MethodSignal = 0x04,
+    MethodSlot = 0x08,
+    MethodConstructor = 0x0c,
+    MethodTypeMask = 0x0c,
+
+    MethodCompatibility = 0x10,
+    MethodCloned = 0x20,
+    MethodScriptable = 0x40
+};
+
+enum MetaObjectFlags {
+    DynamicMetaObject = 0x01
+};
+
+
+struct QMetaObjectPrivate
+{
+    int revision;
+    int className;
+    int classInfoCount, classInfoData;
+    int methodCount, methodData;
+    int propertyCount, propertyData;
+    int enumeratorCount, enumeratorData;
+    int constructorCount, constructorData; //since revision 2
+    int flags; //since revision 3
+    int signalCount; //since revision 4
+
+    static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject)
+    { return reinterpret_cast<const QMetaObjectPrivate*>(metaobject->d.data); }
+
+    static int indexOfSignalRelative(const QMetaObject **baseObject, const char* name);
+    static int originalClone(const QMetaObject *obj, int local_method_index);
+
+    //defined in qobject.cpp
+    static bool connect(const QObject *sender, int signal_index,
+                        const QObject *receiver, int method_index,
+                        int type = 0, int *types = 0);
+    static bool disconnect(const QObject *sender, int signal_index,
+                           const QObject *receiver, int method_index);
+
+};
+
 #ifndef UTILS_H
 // mirrored in moc's utils.h
 static inline bool is_ident_char(char s)
@@ -202,6 +275,7 @@ static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixSc
     return result;
 }
 
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 0e75867..022ae13 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -41,6 +41,7 @@
 
 #include "qobject.h"
 #include "qobject_p.h"
+#include "qmetaobject_p.h"
 
 #include "qabstracteventdispatcher.h"
 #include "qcoreapplication.h"
@@ -221,12 +222,42 @@ void QObjectPrivate::removePendingChildInsertedEvents(QObject *child)
 #endif
 
 
+/*!\internal
+  For a given metaobject, compute the signal offset, and the method offset (including signals)
+*/
+static void computeOffsets(const QMetaObject *metaobject, int *signalOffset, int *methodOffset)
+{
+    *signalOffset = *methodOffset = 0;
+    const QMetaObject *m = metaobject->d.superdata;
+    while (m) {
+        const QMetaObjectPrivate *d = QMetaObjectPrivate::get(m);
+        *methodOffset += d->methodCount;
+        *signalOffset += (d->revision >= 4) ? d->signalCount : d->methodCount;
+        /*Before Qt 4.6 (revision 4), the signalCount information was not generated by moc.
+           so for compatibility we consider all the method as slot for old moc output*/
+        m = m->d.superdata;
+    }
+}
+
+/*! \internal
+    This vector contains the all connections from an object.
+
+    Each object may have one vector containing the lists of connections for a given signal.
+    The index in the vector correspond to the signal index.
+    The signal index is the one returned by QObjectPrivate::signalIndex (not QMetaObject::indexOfSignal).
+    Negative index means connections to all signals.
+
+    This vector is protected by the object mutex (signalSlotMutexes())
+
+    Each Connection is also part of a 'senders' linked list. The mutex of the receiver must be locked when touching
+    the pointers of this linked list.
+*/
 class QObjectConnectionListVector : public QVector<QObjectPrivate::ConnectionList>
 {
 public:
-    bool orphaned;
-    bool dirty;
-    int inUse;
+    bool orphaned; //the QObject owner of this vector has been destroyed while the vector was inUse
+    bool dirty; //some Connection have been disconnected (their receiver is 0) but not removed from the list yet
+    int inUse; //number of functions that are currently accessing this object or its connections
     QObjectPrivate::ConnectionList allsignals;
 
     QObjectConnectionListVector()
@@ -251,7 +282,7 @@ public:
 bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const
 {
     Q_Q(const QObject);
-    int signal_index = q->metaObject()->indexOfSignal(signal);
+    int signal_index = signalIndex(signal);
     if (signal_index < 0)
         return false;
     QMutexLocker locker(signalSlotLock(q));
@@ -275,7 +306,7 @@ QObjectList QObjectPrivate::receiverList(const char *signal) const
 {
     Q_Q(const QObject);
     QObjectList returnValue;
-    int signal_index = q->metaObject()->indexOfSignal(signal);
+    int signal_index = signalIndex(signal);
     if (signal_index < 0)
         return returnValue;
     QMutexLocker locker(signalSlotLock(q));
@@ -2417,6 +2448,7 @@ QObject *QObject::sender() const
 
 int QObject::receivers(const char *signal) const
 {
+    Q_D(const QObject);
     int receivers = 0;
     if (signal) {
         QByteArray signal_name = QMetaObject::normalizedSignature(signal);
@@ -2426,8 +2458,7 @@ int QObject::receivers(const char *signal) const
             return 0;
 #endif
         signal++; // skip code
-        const QMetaObject *smeta = this->metaObject();
-        int signal_index = smeta->indexOfSignal(signal);
+        int signal_index = d->signalIndex(signal);
         if (signal_index < 0) {
 #ifndef QT_NO_DEBUG
             err_method_notfound(this, signal-1, "receivers");
@@ -2551,19 +2582,26 @@ bool QObject::connect(const QObject *sender, const char *signal,
     const QMetaObject *smeta = sender->metaObject();
     const char *signal_arg = signal;
     ++signal; //skip code
-    int signal_index = smeta->indexOfSignal(signal);
+    int signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
     if (signal_index < 0) {
         // check for normalized signatures
         tmp_signal_name = QMetaObject::normalizedSignature(signal - 1);
         signal = tmp_signal_name.constData() + 1;
 
-        signal_index = smeta->indexOfSignal(signal);
+        smeta = sender->metaObject();
+        signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
+
         if (signal_index < 0) {
             err_method_notfound(sender, signal_arg, "connect");
             err_info_about_objects("connect", sender, receiver);
             return false;
         }
     }
+    signal_index = QMetaObjectPrivate::originalClone(smeta, signal_index);
+    int signalOffset, methodOffset;
+    computeOffsets(smeta, &signalOffset, &methodOffset);
+    int signal_absolute_index = signal_index + methodOffset;
+    signal_index += signalOffset;
 
     QByteArray tmp_method_name;
     int membcode = extract_code(method);
@@ -2612,12 +2650,12 @@ bool QObject::connect(const QObject *sender, const char *signal,
 
     int *types = 0;
     if ((type == Qt::QueuedConnection || type == Qt::BlockingQueuedConnection)
-            && !(types = queuedConnectionTypes(smeta->method(signal_index).parameterTypes())))
+            && !(types = queuedConnectionTypes(smeta->method(signal_absolute_index).parameterTypes())))
         return false;
 
 #ifndef QT_NO_DEBUG
     {
-        QMetaMethod smethod = smeta->method(signal_index);
+        QMetaMethod smethod = smeta->method(signal_absolute_index);
         QMetaMethod rmethod = rmeta->method(method_index);
         if (warnCompat) {
             if(smethod.attributes() & QMetaMethod::Compatibility) {
@@ -2630,7 +2668,7 @@ bool QObject::connect(const QObject *sender, const char *signal,
         }
     }
 #endif
-    if (!QMetaObject::connect(sender, signal_index, receiver, method_index, type, types))
+    if (!QMetaObjectPrivate::connect(sender, signal_index, receiver, method_index, type, types))
         return false;
     const_cast<QObject*>(sender)->connectNotify(signal - 1);
     return true;
@@ -2761,14 +2799,18 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     do {
         int signal_index = -1;
         if (signal) {
-            signal_index = smeta->indexOfSignal(signal);
-            if (signal_index < smeta->methodOffset())
-                continue;
+            signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
+            if (signal_index < 0)
+                break;
+            signal_index = QMetaObjectPrivate::originalClone(smeta, signal_index);
+            int signalOffset, methodOffset;
+            computeOffsets(smeta, &signalOffset, &methodOffset);
+            signal_index += signalOffset;
             signal_found = true;
         }
 
         if (!method) {
-            res |= QMetaObject::disconnect(sender, signal_index, receiver, -1);
+            res |= QMetaObjectPrivate::disconnect(sender, signal_index, receiver, -1);
         } else {
             const QMetaObject *rmeta = receiver->metaObject();
             do {
@@ -2778,7 +2820,7 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
                             rmeta = rmeta->superClass();
                 if (method_index < 0)
                     break;
-                res |= QMetaObject::disconnect(sender, signal_index, receiver, method_index);
+                res |= QMetaObjectPrivate::disconnect(sender, signal_index, receiver, method_index);
                 method_found = true;
             } while ((rmeta = rmeta->superClass()));
         }
@@ -2869,16 +2911,31 @@ void QObject::disconnectNotify(const char *)
 }
 
 /*!\internal
+   \a types is a 0-terminated vector of meta types for queued
+   connections.
 
-  \a types is a 0-terminated vector of meta types for queued
-  connections.
-
-  if \a signal_index is -1, then we effectively connect *all* signals
-  from the sender to the receiver's slot
-*/
+   if \a signal_index is -1, then we effectively connect *all* signals
+   from the sender to the receiver's slot
+ */
 bool QMetaObject::connect(const QObject *sender, int signal_index,
                           const QObject *receiver, int method_index, int type, int *types)
 {
+    const QMetaObject *mo = sender->metaObject();
+    while (mo && mo->methodOffset() > signal_index)
+        mo = mo->superClass();
+    int signalOffset, methodOffset;
+    computeOffsets(mo, &signalOffset, &methodOffset);
+    signal_index = QMetaObjectPrivate::originalClone(mo, signal_index - methodOffset) + signalOffset;
+    return QMetaObjectPrivate::connect(sender, signal_index,
+                                       receiver, method_index, type, types);
+}
+
+/*! \internal
+   Same as the QMetaObject::connect, but \a signal_index must be the result of QObjectPrivate::signalIndex
+ */
+bool QMetaObjectPrivate::connect(const QObject *sender, int signal_index,
+                                 const QObject *receiver, int method_index, int type, int *types)
+{
     QObject *s = const_cast<QObject *>(sender);
     QObject *r = const_cast<QObject *>(receiver);
 
@@ -2886,7 +2943,7 @@ bool QMetaObject::connect(const QObject *sender, int signal_index,
                                signalSlotLock(receiver));
 
     if (type & Qt::UniqueConnection) {
-        QObjectConnectionListVector *connectionLists = s->d_func()->connectionLists;
+        QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists;
         if (connectionLists && connectionLists->count() > signal_index) {
             const QObjectPrivate::Connection *c2 = 
                 (*connectionLists)[signal_index].first;
@@ -2907,25 +2964,25 @@ bool QMetaObject::connect(const QObject *sender, int signal_index,
     c->connectionType = type;
     c->argumentTypes = types;
     c->nextConnectionList = 0;
-    c->prev = &r->d_func()->senders;
+    c->prev = &(QObjectPrivate::get(r)->senders);
     c->next = *c->prev;
     *c->prev = c;
     if (c->next)
         c->next->prev = &c->next;
 
-    s->d_func()->addConnection(signal_index, c);
+    QObjectPrivate::get(s)->addConnection(signal_index, c);
 
+    QObjectPrivate *const sender_d = QObjectPrivate::get(s);
     if (signal_index < 0) {
-        for (uint i = 0; i < (sizeof sender->d_func()->connectedSignals
-                              / sizeof sender->d_func()->connectedSignals[0] ); ++i)
-            sender->d_func()->connectedSignals[i] = ~0u;
-    } else if (signal_index < (int)sizeof sender->d_func()->connectedSignals * 8) {
-        uint n = (signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        sender->d_func()->connectedSignals[n] |= (1 << (signal_index - n * 8
-                                                        * sizeof sender->d_func()->connectedSignals[0]));
+        for (uint i = 0; i < (sizeof sender_d->connectedSignals
+                              / sizeof sender_d->connectedSignals[0] ); ++i)
+            sender_d->connectedSignals[i] = ~0u;
+    } else if (signal_index < (int)sizeof sender_d->connectedSignals * 8) {
+        uint n = (signal_index / (8 * sizeof sender_d->connectedSignals[0]));
+        sender_d->connectedSignals[n] |= (1 << (signal_index - n * 8
+                                    * sizeof sender_d->connectedSignals[0]));
     }
 
-
     return true;
 }
 
@@ -2935,6 +2992,22 @@ bool QMetaObject::connect(const QObject *sender, int signal_index,
 bool QMetaObject::disconnect(const QObject *sender, int signal_index,
                              const QObject *receiver, int method_index)
 {
+    const QMetaObject *mo = sender->metaObject();
+    while (mo && mo->methodOffset() > signal_index)
+        mo = mo->superClass();
+    int signalOffset, methodOffset;
+    computeOffsets(mo, &signalOffset, &methodOffset);
+    signal_index = QMetaObjectPrivate::originalClone(mo, signal_index - methodOffset) + signalOffset;
+    return QMetaObjectPrivate::disconnect(sender, signal_index,
+                                          receiver, method_index);
+}
+
+/*! \internal
+    Same as the QMetaObject::disconnect, but \a signal_index must be the result of QObjectPrivate::signalIndex
+ */
+bool QMetaObjectPrivate::disconnect(const QObject *sender, int signal_index,
+                             const QObject *receiver, int method_index)
+{
     if (!sender)
         return false;
 
@@ -2945,7 +3018,7 @@ bool QMetaObject::disconnect(const QObject *sender, int signal_index,
     QMutex *receiverMutex = receiver ? signalSlotLock(receiver) : 0;
     QOrderedMutexLocker locker(senderMutex, receiverMutex);
 
-    QObjectConnectionListVector *connectionLists = s->d_func()->connectionLists;
+    QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists;
     if (!connectionLists)
         return false;
 
@@ -3056,23 +3129,26 @@ void QMetaObject::connectSlotsByName(QObject *o)
             int len = objName.length();
             if (!len || qstrncmp(slot + 3, objName.data(), len) || slot[len+3] != '_')
                 continue;
-            const QMetaObject *smo = co->metaObject();
-            int sigIndex = smo->indexOfMethod(slot + len + 4);
+            int sigIndex = co->d_func()->signalIndex(slot + len + 4);
             if (sigIndex < 0) { // search for compatible signals
+                const QMetaObject *smo = co->metaObject();
                 int slotlen = qstrlen(slot + len + 4) - 1;
                 for (int k = 0; k < co->metaObject()->methodCount(); ++k) {
-                    if (smo->method(k).methodType() != QMetaMethod::Signal)
+                    QMetaMethod method = smo->method(k);
+                    if (method.methodType() != QMetaMethod::Signal)
                         continue;
 
-                    if (!qstrncmp(smo->method(k).signature(), slot + len + 4, slotlen)) {
-                        sigIndex = k;
+                    if (!qstrncmp(method.signature(), slot + len + 4, slotlen)) {
+                        int signalOffset, methodOffset;
+                        computeOffsets(method.enclosingMetaObject(), &signalOffset, &methodOffset);
+                        sigIndex = k + - methodOffset + signalOffset;
                         break;
                     }
                 }
             }
             if (sigIndex < 0)
                 continue;
-            if (QMetaObject::connect(co, sigIndex, o, i)) {
+            if (QMetaObjectPrivate::connect(co, sigIndex, o, i)) {
                 foundIt = true;
                 break;
             }
@@ -3142,15 +3218,43 @@ static void blocking_activate(QObject *sender, int signal, QObjectPrivate::Conne
 }
 
 /*!\internal
+   \obsolete.
+   Used to be called from QMetaObject::activate(QObject *, QMetaObject *, int, int, void **)
  */
 void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal_index, void **argv)
 {
+    int offset = sender->metaObject()->methodOffset();
+    activate(sender, from_signal_index - offset, to_signal_index - offset, argv);
+}
+
+/*!\internal
+ */
+void QMetaObject::activate(QObject *sender, const QMetaObject *m, int local_signal_index,
+                           void **argv)
+{
+    int signalOffset;
+    int methodOffset;
+    computeOffsets(m, &signalOffset, &methodOffset);
+
+    int signal_index = signalOffset + local_signal_index;
+    if (signal_index < (int)sizeof(sender->d_func()->connectedSignals) * 8
+        && !qt_signal_spy_callback_set.signal_begin_callback
+        && !qt_signal_spy_callback_set.signal_end_callback) {
+        uint n = (signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
+        uint m = 1 << (signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
+        if ((sender->d_func()->connectedSignals[n] & m) == 0)
+            // nothing connected to these signals, and no spy
+            return;
+    }
+
     if (sender->d_func()->blockSig)
         return;
 
+    int signal_absolute_index = methodOffset + local_signal_index;
+
     void *empty_argv[] = { 0 };
     if (qt_signal_spy_callback_set.signal_begin_callback != 0) {
-        qt_signal_spy_callback_set.signal_begin_callback(sender, from_signal_index,
+        qt_signal_spy_callback_set.signal_begin_callback(sender, signal_absolute_index,
                                                          argv ? argv : empty_argv);
     }
 
@@ -3160,26 +3264,20 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
     QObjectConnectionListVector *connectionLists = sender->d_func()->connectionLists;
     if (!connectionLists) {
         if (qt_signal_spy_callback_set.signal_end_callback != 0)
-            qt_signal_spy_callback_set.signal_end_callback(sender, from_signal_index);
+            qt_signal_spy_callback_set.signal_end_callback(sender, signal_absolute_index);
         return;
     }
     ++connectionLists->inUse;
+    if (signal_index >= connectionLists->count()) {
+        signal_index = -2; //for "all signals";
+    }
 
-    // emit signals in the following order: from_signal_index <= signals <= to_signal_index, signal < 0
-    for (int signal = from_signal_index;
-         (signal >= from_signal_index && signal <= to_signal_index) || (signal == -2);
-         (signal == to_signal_index ? signal = -2 : ++signal))
-    {
-        if (signal >= connectionLists->count()) {
-            signal = to_signal_index;
-            continue;
-        }
-        
-        QObjectPrivate::Connection *c = connectionLists->at(signal).first;
+    do {
+        QObjectPrivate::Connection *c = connectionLists->at(signal_index).first;
         if (!c) continue;
         // We need to check against last here to ensure that signals added
         // during the signal emission are not emitted in this emission.
-        QObjectPrivate::Connection *last = connectionLists->at(signal).last;
+        QObjectPrivate::Connection *last = connectionLists->at(signal_index).last;
 
         do {
             if (!c->receiver)
@@ -3193,17 +3291,17 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
                  && (currentThreadData != sender->d_func()->threadData
                      || receiver->d_func()->threadData != sender->d_func()->threadData))
                 || (c->connectionType == Qt::QueuedConnection)) {
-                queued_activate(sender, signal, c, argv);
+                queued_activate(sender, signal_absolute_index, c, argv);
                 continue;
             } else if (c->connectionType == Qt::BlockingQueuedConnection) {
-                blocking_activate(sender, signal, c, argv);
+                blocking_activate(sender, signal_absolute_index, c, argv);
                 continue;
             }
 
             const int method = c->method;
             QObjectPrivate::Sender currentSender;
             currentSender.sender = sender;
-            currentSender.signal = signal < 0 ? from_signal_index : signal;
+            currentSender.signal = signal_absolute_index;
             currentSender.ref = 1;
             QObjectPrivate::Sender *previousSender = 0;
             if (currentThreadData == receiver->d_func()->threadData)
@@ -3247,7 +3345,7 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
 
         if (connectionLists->orphaned)
             break;
-    }
+    } while (signal_index >= 0 && (signal_index = -1)); //start over for -1 (all signal)
 
     --connectionLists->inUse;
     Q_ASSERT(connectionLists->inUse >= 0);
@@ -3261,82 +3359,50 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
     locker.unlock();
 
     if (qt_signal_spy_callback_set.signal_end_callback != 0)
-        qt_signal_spy_callback_set.signal_end_callback(sender, from_signal_index);
-}
+        qt_signal_spy_callback_set.signal_end_callback(sender, signal_absolute_index);
 
+}
 
 /*!\internal
- */
+   Obsolete.  (signal_index comes from indexOfMethod())
+*/
 void QMetaObject::activate(QObject *sender, int signal_index, void **argv)
 {
-    if (signal_index < (int)sizeof(sender->d_func()->connectedSignals) * 8
-        && !qt_signal_spy_callback_set.signal_begin_callback
-        && !qt_signal_spy_callback_set.signal_end_callback) {
-        uint n = (signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        uint m = 1 << (signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
-        if ((sender->d_func()->connectedSignals[n] & m) == 0)
-            // nothing connected to these signals, and no spy
-            return;
-    }
-    activate(sender, signal_index, signal_index, argv);
-}
-
-/*!\internal
- */
-void QMetaObject::activate(QObject *sender, const QMetaObject *m, int local_signal_index,
-                           void **argv)
-{
-    int signal_index = m->methodOffset() + local_signal_index;
-    if (signal_index < (int)sizeof(sender->d_func()->connectedSignals) * 8
-        && !qt_signal_spy_callback_set.signal_begin_callback
-        && !qt_signal_spy_callback_set.signal_end_callback) {
-        uint n = (signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        uint m = 1 << (signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
-        if ((sender->d_func()->connectedSignals[n] & m) == 0)
-            // nothing connected to these signals, and no spy
-            return;
-    }
-    activate(sender, signal_index, signal_index, argv);
+    const QMetaObject *mo = sender->metaObject();
+    while (mo && mo->methodOffset() > signal_index)
+        mo = mo->superClass();
+    activate(sender, signal_index - mo->methodOffset(), argv);
 }
 
 /*!\internal
+   Obsolete, called by moc generated code before Qt 4.6 for cloned signals
+   But since Qt 4.6, all clones are connected to their original
  */
 void QMetaObject::activate(QObject *sender, const QMetaObject *m,
                            int from_local_signal_index, int to_local_signal_index, void **argv)
 {
-    Q_ASSERT(from_local_signal_index <= to_local_signal_index);
-    int offset = m->methodOffset();
-    int from_signal_index = offset + from_local_signal_index;
-    int to_signal_index = offset + to_local_signal_index;
+    Q_UNUSED(to_local_signal_index);
+    Q_ASSERT(from_local_signal_index == QMetaObjectPrivate::originalClone(m, to_local_signal_index));
+    activate(sender, m, from_local_signal_index, argv);
+}
 
-    if (to_signal_index < (int)sizeof(sender->d_func()->connectedSignals) * 8
-        && !qt_signal_spy_callback_set.signal_begin_callback
-        && !qt_signal_spy_callback_set.signal_end_callback) {
+/*! \internal
+    Returns the signal index used in the internal connectionLists vector.
 
-        uint n = (from_signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        uint m = 1 << (from_signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
-        uint nt = (to_signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        uint mt = 1 << (to_signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
-        bool connected = false;
-        quint32 *connectedSignals = sender->d_func()->connectedSignals;
-        for (uint i = 0; !connected && i < (sizeof sender->d_func()->connectedSignals
-                                            / sizeof sender->d_func()->connectedSignals[0]); ++i) {
-            uint mask = 0;
-            if (i > n)
-                mask = ~0u;
-            else if (i == n)
-                mask = ~(m -1);
-            if (i > nt)
-                mask = 0;
-            else if (i == nt)
-                mask &= (mt << 1) - 1;
-            connected = connectedSignals[i] & mask;
-        }
-        if (!connected)
-            // nothing connected to these signals, and no spy
-            return;
-    }
-    activate(sender, from_signal_index, to_signal_index, argv);
+    It is different from QMetaObject::indexOfSignal():  indexOfSignal is the same as indexOfMethod
+    while QObjectPrivate::signalIndex is smaller because it doesn't give index to slots.
+*/
+int QObjectPrivate::signalIndex(const char *signalName) const
+{
+    Q_Q(const QObject);
+    const QMetaObject *base = q->metaObject();
+    int relative_index = QMetaObjectPrivate::indexOfSignalRelative(&base, signalName);
+    if (relative_index < 0)
+        return relative_index;
+    relative_index = QMetaObjectPrivate::originalClone(base, relative_index);
+    int signalOffset, methodOffset;
+    computeOffsets(base, &signalOffset, &methodOffset);
+    return relative_index + signalOffset;
 }
 
 /*! \internal
@@ -3344,14 +3410,16 @@ void QMetaObject::activate(QObject *sender, const QMetaObject *m,
   Returns true if the signal with index \a signal_index from object \a sender is connected.
   Signals with indices above a certain range are always considered connected (see connectedSignals
   in QObjectPrivate). If a signal spy is installed, all signals are considered connected.
+
+  \a signal_index must be the index returned by QObjectPrivate::signalIndex;
 */
-bool QMetaObject::isConnected(QObject *sender, int signal_index) {
-    if (signal_index < (int)sizeof(sender->d_func()->connectedSignals) * 8
+bool QObjectPrivate::isSignalConnected(int signal_index) const {
+    if (signal_index < (int)sizeof(connectedSignals) * 8
         && !qt_signal_spy_callback_set.signal_begin_callback
         && !qt_signal_spy_callback_set.signal_end_callback) {
-        uint n = (signal_index / (8 * sizeof sender->d_func()->connectedSignals[0]));
-        uint m = 1 << (signal_index - n * 8 * sizeof sender->d_func()->connectedSignals[0]);
-        if ((sender->d_func()->connectedSignals[n] & m) == 0)
+        uint n = (signal_index / (8 * sizeof connectedSignals[0]));
+        uint m = 1 << (signal_index - n * 8 * sizeof connectedSignals[0]);
+        if ((connectedSignals[n] & m) == 0)
             // nothing connected to these signals, and no spy
             return false;
     }
@@ -3557,8 +3625,21 @@ void QObject::dumpObjectInfo()
     qDebug("  SIGNALS OUT");
 
     if (d->connectionLists) {
+        int offset = 0;
+        int offsetToNextMetaObject = 0;
         for (int signal_index = 0; signal_index < d->connectionLists->count(); ++signal_index) {
-            const QMetaMethod signal = metaObject()->method(signal_index);
+            if (signal_index >= offsetToNextMetaObject) {
+                const QMetaObject *mo = metaObject();
+                int signalOffset, methodOffset;
+                computeOffsets(mo, &signalOffset, &methodOffset);
+                while (mo && signalOffset > signal_index) {
+                    mo = mo->superClass();
+                    offsetToNextMetaObject = signalOffset;
+                    computeOffsets(mo, &signalOffset, &methodOffset);
+                }
+                offset = offset - signalOffset + methodOffset;
+            }
+            const QMetaMethod signal = metaObject()->method(signal_index + offset);
             qDebug("        signal: %s", signal.signature());
 
             // receivers
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index 49d8b63..9721ef8 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -169,6 +169,9 @@ public:
         return o->d_func();
     }
 
+    int signalIndex(const char *signalName) const;
+    bool isSignalConnected(int signalIdx) const;
+
 public:
     QString objectName;
     ExtraData *extraData;    // extra data set by the user
diff --git a/src/corelib/kernel/qobjectdefs.h b/src/corelib/kernel/qobjectdefs.h
index befd596..421617a 100644
--- a/src/corelib/kernel/qobjectdefs.h
+++ b/src/corelib/kernel/qobjectdefs.h
@@ -330,12 +330,10 @@ struct Q_CORE_EXPORT QMetaObject
     static void connectSlotsByName(QObject *o);
 
     // internal index-based signal activation
-    static void activate(QObject *sender, int signal_index, void **argv);
-    static void activate(QObject *sender, int from_signal_index, int to_signal_index, void **argv);
+    static void activate(QObject *sender, int signal_index, void **argv);  //obsolete
+    static void activate(QObject *sender, int from_signal_index, int to_signal_index, void **argv); //obsolete
     static void activate(QObject *sender, const QMetaObject *, int local_signal_index, void **argv);
-    static void activate(QObject *sender, const QMetaObject *, int from_local_signal_index, int to_local_signal_index, void **argv);
-
-    static bool isConnected(QObject *sender, int signal_index);
+    static void activate(QObject *sender, const QMetaObject *, int from_local_signal_index, int to_local_signal_index, void **argv); //obsolete
 
     // internal guarded pointers
     static void addGuard(QObject **ptr);
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index 54d6073..533ccd7 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -2467,7 +2467,7 @@ double QVariant::toDouble(bool *ok) const
 */
 float QVariant::toFloat(bool *ok) const
 {
-    return qNumVariantToHelper<float>(d, handler, ok, d.data.d);
+    return qNumVariantToHelper<float>(d, handler, ok, d.data.f);
 }
 
 /*!
@@ -2484,7 +2484,7 @@ float QVariant::toFloat(bool *ok) const
 */
 qreal QVariant::toReal(bool *ok) const
 {
-    return qNumVariantToHelper<qreal>(d, handler, ok, d.data.d);
+    return qNumVariantToHelper<qreal>(d, handler, ok, d.data.real);
 }
 
 /*!
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
index 79bd5b8..d6a704e 100644
--- a/src/corelib/kernel/qvariant.h
+++ b/src/corelib/kernel/qvariant.h
@@ -358,6 +358,7 @@ class Q_CORE_EXPORT QVariant
             bool b;
             double d;
             float f;
+            qreal real;
             qlonglong ll;
             qulonglong ull;
             QObject *o;
diff --git a/src/corelib/kernel/qvariant_p.h b/src/corelib/kernel/qvariant_p.h
index 993c43b..c36899d 100644
--- a/src/corelib/kernel/qvariant_p.h
+++ b/src/corelib/kernel/qvariant_p.h