Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml: (135 commits)
  Do not treat images in qml examples differently.
  Replace Flickable overshoot property with boundsBehavior
  Autotests and doc
  Give error on attempt to import types from too-early version number.
  Remove (undocumented) QML bindings for effects.
  De-straighten them lines.
  Doc: fix QStringList model doc (really).
  Doc: fix QStringList model docs
  Change return type to match value().
  Add duration and easing properties to AnchorAnimation.
  Autotest
  Remove dead code
  Compile on Windows (export decl fix).
  Fix versioning of Qt Declarative's in-built types
  Fixed declarative/parserstress autotest.
  Fix parsing of regular expression literals.
  Fill out QGraphicsLayout bindings
  Update test files to new syntax
  Compile without Qt3 support.
  Ensure workerscript.qml works (autotested).
  ...

1 files changed, 8 insertions, 3 deletions

diff --git a/src/declarative/qml/qdeclarativebinding.cpp b/src/declarative/qml/qdeclarativebinding.cpp
index 25492ac..d44e7fb 100644
--- a/src/declarative/qml/qdeclarativebinding.cpp
+++ b/src/declarative/qml/qdeclarativebinding.cpp
@@ -156,6 +156,9 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags)
             QScriptValue scriptValue = d->scriptValue(0, &isUndefined);
             if (data->property.propertyTypeCategory() == QDeclarativeProperty::List) {
                 value = ep->scriptValueToVariant(scriptValue, qMetaTypeId<QList<QObject *> >());
+            } else if (scriptValue.isNull() && 
+                       data->property.propertyTypeCategory() == QDeclarativeProperty::Object) {
+                value = QVariant::fromValue((QObject *)0);
             } else {
                 value = ep->scriptValueToVariant(scriptValue, data->property.propertyType());
                 if (value.userType() == QMetaType::QObjectStar && !qvariant_cast<QObject*>(value)) {
@@ -168,6 +171,7 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags)
                 }
             }
 
+
             if (data->error.isValid()) {
 
             } else if (isUndefined && data->property.isResettable()) {
@@ -210,8 +214,7 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags)
             }
 
             if (data->error.isValid()) {
-               if (!data->addError(ep)) 
-                   qWarning().nospace() << qPrintable(this->error().toString());
+               if (!data->addError(ep)) ep->warning(this->error());
             } else {
                 data->removeError();
             }
@@ -358,8 +361,10 @@ void QDeclarativeAbstractBinding::removeFromObject()
 
 void QDeclarativeAbstractBinding::clear()
 {
-    if (m_mePtr)
+    if (m_mePtr) {
         *m_mePtr = 0;
+        m_mePtr = 0;
+    }
 }
 
 QString QDeclarativeAbstractBinding::expression() const