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

31 files changed, 1040 insertions, 801 deletions

diff --git a/doc/src/examples/qml-examples.qdoc b/doc/src/examples/qml-examples.qdoc
index 56ba1c7..035628e 100644
--- a/doc/src/examples/qml-examples.qdoc
+++ b/doc/src/examples/qml-examples.qdoc
@@ -110,18 +110,27 @@
 */
 
 /*!
-    \title Graphics Layouts
-    \example declarative/cppextensions/qgraphicslayouts/graphicsLayouts
+    \title LayoutItem
+    \example declarative/cppextensions/qgraphicslayouts/layoutitem
 
-    This example show how to integrate Qt \l{Graphics View Framework}{Graphics View} components
-    like QGraphicsLayoutItem, QGraphicsLinearLayout and QGraphicsGridLayout into QML.
+    This example show how to use the LayoutItem element to integrate QML items into an existing 
+    \l{Graphics View Framework}{Graphics View}-based application.
 */
 /*!
-    \title Layout Item
-    \example declarative/cppextensions/qgraphicslayouts/layoutItem
+    \title QGraphicsGridLayout
+    \example declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout
 
-    This example show how to integrate QML into an existing 
-    \l{Graphics View Framework}{Graphics View}-based application.
+    This example shows how to use QGraphicsGridLayout to lay out QML items. This is 
+    useful if you need to integrate Qt \l{Graphics View Framework}{Graphics View} layouts with
+    QML.
+*/
+/*!
+    \title QGraphicsLinearLayout
+    \example declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout
+
+    This example shows how to use QGraphicsLinearLayout to lay out QML items. This is 
+    useful if you need to integrate Qt \l{Graphics View Framework}{Graphics View} layouts with
+    QML.
 */
 /*!
     \page declarative-cppextensions-qgraphicslayouts.html
@@ -131,8 +140,9 @@
     layout components with QML:
 
     \list
-    \o \l{declarative/cppextensions/qgraphicslayouts/graphicsLayouts}{Graphics Layouts}
-    \o \l{declarative/cppextensions/qgraphicslayouts/layoutItem}{Layout Item}
+    \o \l{declarative/cppextensions/qgraphicslayouts/layoutitem}{LayoutItem}
+    \o \l{declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout}{QGraphicsGridLayout}
+    \o \l{declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout}{QGraphicsLinearLayout}
     \endlist
 */
 
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.pro b/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.pro
deleted file mode 100644
index e5d91b2..0000000
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.pro
+++ /dev/null
@@ -1,13 +0,0 @@
-TEMPLATE = app
-TARGET  = graphicslayouts
-QT += declarative
-
-SOURCES += \
-    graphicslayouts.cpp \
-    main.cpp
-
-HEADERS += \
-    graphicslayouts_p.h
-
-RESOURCES += \
-    graphicslayouts.qrc
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.qmlproject b/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.qmlproject
deleted file mode 100644
index d4909f8..0000000
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicsLayouts.qmlproject
+++ /dev/null
@@ -1,16 +0,0 @@
-import QmlProject 1.0
-
-Project {
-    /* Include .qml, .js, and image files from current directory and subdirectories */
-    QmlFiles {
-        directory: "."
-    }
-    JavaScriptFiles {
-        directory: "."
-    }
-    ImageFiles {
-        directory: "."
-    }
-    /* List of plugin directories passed to QML runtime */
-    // importPaths: [ " ../exampleplugin " ]
-}
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp b/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp
deleted file mode 100644
index 40e286d..0000000
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp
+++ /dev/null
@@ -1,365 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-**     the names of its contributors may be used to endorse or promote
-**     products derived from this software without specific prior written
-**     permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "graphicslayouts_p.h"
-
-#include <QtGui/qgraphicswidget.h>
-#include <QtCore/qdebug.h>
-
-QT_BEGIN_NAMESPACE
-
-LinearLayoutAttached::LinearLayoutAttached(QObject *parent)
-: QObject(parent), _stretch(1), _alignment(Qt::AlignCenter), _spacing(0)
-{
-}
-
-void LinearLayoutAttached::setStretchFactor(int f)
-{
-    if (_stretch == f)
-        return;
-
-    _stretch = f;
-    emit stretchChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _stretch);
-}
-
-void LinearLayoutAttached::setSpacing(int s)
-{
-    if (_spacing == s)
-        return;
-
-    _spacing = s;
-    emit spacingChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _spacing);
-}
-
-void LinearLayoutAttached::setAlignment(Qt::Alignment a)
-{
-    if (_alignment == a)
-        return;
-
-    _alignment = a;
-    emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _alignment);
-}
-
-QGraphicsLinearLayoutStretchItemObject::QGraphicsLinearLayoutStretchItemObject(QObject *parent)
-    : QObject(parent)
-{
-}
-
-QSizeF QGraphicsLinearLayoutStretchItemObject::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
-{
-Q_UNUSED(which);
-Q_UNUSED(constraint);
-return QSizeF();
-}
-
-
-QGraphicsLinearLayoutObject::QGraphicsLinearLayoutObject(QObject *parent)
-: QObject(parent)
-{
-}
-
-QGraphicsLinearLayoutObject::~QGraphicsLinearLayoutObject()
-{
-}
-
-void QGraphicsLinearLayoutObject::insertLayoutItem(int index, QGraphicsLayoutItem *item)
-{
-insertItem(index, item);
-
-//connect attached properties
-if (LinearLayoutAttached *obj = attachedProperties.value(item)) {
-    setStretchFactor(item, obj->stretchFactor());
-    setAlignment(item, obj->alignment());
-    updateSpacing(item, obj->spacing());
-    QObject::connect(obj, SIGNAL(stretchChanged(QGraphicsLayoutItem*,int)),
-                     this, SLOT(updateStretch(QGraphicsLayoutItem*,int)));
-    QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)),
-                     this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment)));
-    QObject::connect(obj, SIGNAL(spacingChanged(QGraphicsLayoutItem*,int)),
-                     this, SLOT(updateSpacing(QGraphicsLayoutItem*,int)));
-    //### need to disconnect when widget is removed?
-}
-}
-
-//### is there a better way to do this?
-void QGraphicsLinearLayoutObject::clearChildren()
-{
-for (int i = 0; i < count(); ++i)
-    removeAt(i);
-}
-
-qreal QGraphicsLinearLayoutObject::contentsMargin() const
-{
-    qreal a,b,c,d;
-    getContentsMargins(&a, &b, &c, &d);
-    if(a==b && a==c && a==d)
-        return a;
-    return -1;
-}
-
-void QGraphicsLinearLayoutObject::setContentsMargin(qreal m)
-{
-    setContentsMargins(m,m,m,m);
-}
-
-void QGraphicsLinearLayoutObject::updateStretch(QGraphicsLayoutItem *item, int stretch)
-{
-QGraphicsLinearLayout::setStretchFactor(item, stretch);
-}
-
-void QGraphicsLinearLayoutObject::updateSpacing(QGraphicsLayoutItem* item, int spacing)
-{
-    for(int i=0; i < count(); i++){
-        if(itemAt(i) == item){ //I do not see the reverse function, which is why we must loop over all items
-            QGraphicsLinearLayout::setItemSpacing(i, spacing);
-            return;
-        }
-    }
-}
-
-void QGraphicsLinearLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment)
-{
-QGraphicsLinearLayout::setAlignment(item, alignment);
-}
-
-QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> QGraphicsLinearLayoutObject::attachedProperties;
-LinearLayoutAttached *QGraphicsLinearLayoutObject::qmlAttachedProperties(QObject *obj)
-{
-// ### This is not allowed - you must attach to any object
-if (!qobject_cast<QGraphicsLayoutItem*>(obj))
-    return 0;
-LinearLayoutAttached *rv = new LinearLayoutAttached(obj);
-attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv);
-return rv;
-}
-
-//////////////////////////////////////////////////////////////////////////////////////////////////////
-// QGraphicsGridLayout-related classes
-//////////////////////////////////////////////////////////////////////////////////////////////////////
-GridLayoutAttached::GridLayoutAttached(QObject *parent)
-: QObject(parent), _row(-1), _column(-1), _rowspan(1), _colspan(1), _alignment(-1), _rowstretch(-1),
-    _colstretch(-1), _rowspacing(-1), _colspacing(-1), _rowprefheight(-1), _rowmaxheight(-1), _rowminheight(-1),
-    _rowfixheight(-1), _colprefwidth(-1), _colmaxwidth(-1), _colminwidth(-1), _colfixwidth(-1)
-{
-}
-
-void GridLayoutAttached::setRow(int r)
-{
-    if (_row == r)
-        return;
-
-    _row = r;
-    //emit rowChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _row);
-}
-
-void GridLayoutAttached::setColumn(int c)
-{
-    if (_column == c)
-        return;
-
-    _column = c;
-    //emit columnChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _column);
-}
-
-void GridLayoutAttached::setRowSpan(int rs)
-{
-    if (_rowspan == rs)
-        return;
-
-    _rowspan = rs;
-    //emit rowSpanChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _rowSpan);
-}
-
-void GridLayoutAttached::setColumnSpan(int cs)
-{
-    if (_colspan == cs)
-        return;
-
-    _colspan = cs;
-    //emit columnSpanChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _columnSpan);
-}
-
-void GridLayoutAttached::setAlignment(Qt::Alignment a)
-{
-    if (_alignment == a)
-        return;
-
-    _alignment = a;
-    emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _alignment);
-}
-
-void GridLayoutAttached::setRowStretchFactor(int f)
-{
-    _rowstretch = f;
-}
-
-void GridLayoutAttached::setColumnStretchFactor(int f)
-{
-    _colstretch = f;
-}
-
-void GridLayoutAttached::setRowSpacing(int s)
-{
-    _rowspacing = s;
-}
-
-void GridLayoutAttached::setColumnSpacing(int s)
-{
-    _colspacing = s;
-}
-
-
-QGraphicsGridLayoutObject::QGraphicsGridLayoutObject(QObject *parent)
-: QObject(parent)
-{
-}
-
-QGraphicsGridLayoutObject::~QGraphicsGridLayoutObject()
-{
-}
-
-void QGraphicsGridLayoutObject::addWidget(QGraphicsWidget *wid)
-{
-//use attached properties
-if (QObject *obj = attachedProperties.value(qobject_cast<QGraphicsLayoutItem*>(wid))) {
-    int row = static_cast<GridLayoutAttached *>(obj)->row();
-    int column = static_cast<GridLayoutAttached *>(obj)->column();
-    int rowSpan = static_cast<GridLayoutAttached *>(obj)->rowSpan();
-    int columnSpan = static_cast<GridLayoutAttached *>(obj)->columnSpan();
-    if (row == -1 || column == -1) {
-        qWarning() << "Must set row and column for an item in a grid layout";
-        return;
-    }
-    addItem(wid, row, column, rowSpan, columnSpan);
-}
-}
-
-void QGraphicsGridLayoutObject::addLayoutItem(QGraphicsLayoutItem *item)
-{
-//use attached properties
-if (GridLayoutAttached *obj = attachedProperties.value(item)) {
-    int row = obj->row();
-    int column = obj->column();
-    int rowSpan = obj->rowSpan();
-    int columnSpan = obj->columnSpan();
-    Qt::Alignment alignment = obj->alignment();
-    if (row == -1 || column == -1) {
-        qWarning() << "Must set row and column for an item in a grid layout";
-        return;
-    }
-    if(obj->rowSpacing() != -1)
-        setRowSpacing(row, obj->rowSpacing());
-    if(obj->columnSpacing() != -1)
-        setColumnSpacing(column, obj->columnSpacing());
-    if(obj->rowStretchFactor() != -1)
-        setRowStretchFactor(row, obj->rowStretchFactor());
-    if(obj->columnStretchFactor() != -1)
-        setColumnStretchFactor(column, obj->columnStretchFactor());
-    if(obj->rowPreferredHeight() != -1)
-        setRowPreferredHeight(row, obj->rowPreferredHeight());
-    if(obj->rowMaximumHeight() != -1)
-        setRowMaximumHeight(row, obj->rowMaximumHeight());
-    if(obj->rowMinimumHeight() != -1)
-        setRowMinimumHeight(row, obj->rowMinimumHeight());
-    if(obj->rowFixedHeight() != -1)
-        setRowFixedHeight(row, obj->rowFixedHeight());
-    if(obj->columnPreferredWidth() != -1)
-        setColumnPreferredWidth(row, obj->columnPreferredWidth());
-    if(obj->columnMaximumWidth() != -1)
-        setColumnMaximumWidth(row, obj->columnMaximumWidth());
-    if(obj->columnMinimumWidth() != -1)
-        setColumnMinimumWidth(row, obj->columnMinimumWidth());
-    if(obj->columnFixedWidth() != -1)
-        setColumnFixedWidth(row, obj->columnFixedWidth());
-    addItem(item, row, column, rowSpan, columnSpan);
-    if (alignment != -1)
-        setAlignment(item,alignment);
-    QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)),
-                     this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment)));
-    //### need to disconnect when widget is removed?
-}
-}
-
-//### is there a better way to do this?
-void QGraphicsGridLayoutObject::clearChildren()
-{
-for (int i = 0; i < count(); ++i)
-    removeAt(i);
-}
-
-qreal QGraphicsGridLayoutObject::spacing() const
-{
-if (verticalSpacing() == horizontalSpacing())
-    return verticalSpacing();
-return -1;  //###
-}
-
-qreal QGraphicsGridLayoutObject::contentsMargin() const
-{
-    qreal a,b,c,d;
-    getContentsMargins(&a, &b, &c, &d);
-    if(a==b && a==c && a==d)
-        return a;
-    return -1;
-}
-
-void QGraphicsGridLayoutObject::setContentsMargin(qreal m)
-{
-    setContentsMargins(m,m,m,m);
-}
-
-
-void QGraphicsGridLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment)
-{
-QGraphicsGridLayout::setAlignment(item, alignment);
-}
-
-QHash<QGraphicsLayoutItem*, GridLayoutAttached*> QGraphicsGridLayoutObject::attachedProperties;
-GridLayoutAttached *QGraphicsGridLayoutObject::qmlAttachedProperties(QObject *obj)
-{
-// ### This is not allowed - you must attach to any object
-if (!qobject_cast<QGraphicsLayoutItem*>(obj))
-    return 0;
-GridLayoutAttached *rv = new GridLayoutAttached(obj);
-attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv);
-return rv;
-}
-
-QT_END_NAMESPACE
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts_p.h b/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts_p.h
deleted file mode 100644
index 7aa98df..0000000
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts_p.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-**     the names of its contributors may be used to endorse or promote
-**     products derived from this software without specific prior written
-**     permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef GRAPHICSLAYOUTS_H
-#define GRAPHICSLAYOUTS_H
-
-#include <QtGui/QGraphicsLinearLayout>
-#include <QtGui/QGraphicsGridLayout>
-#include <qdeclarative.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-class QGraphicsLinearLayoutStretchItemObject : public QObject, public QGraphicsLayoutItem
-{
-    Q_OBJECT
-    Q_INTERFACES(QGraphicsLayoutItem)
-public:
-    QGraphicsLinearLayoutStretchItemObject(QObject *parent = 0);
-
-    virtual QSizeF sizeHint(Qt::SizeHint, const QSizeF &) const;
-};
-
-class LinearLayoutAttached;
-class QGraphicsLinearLayoutObject : public QObject, public QGraphicsLinearLayout
-{
-    Q_OBJECT
-    Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)
-
-    Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
-    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
-    Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)
-    Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)
-    Q_CLASSINFO("DefaultProperty", "children")
-public:
-    QGraphicsLinearLayoutObject(QObject * = 0);
-    ~QGraphicsLinearLayoutObject();
-
-    QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }
-
-    static LinearLayoutAttached *qmlAttachedProperties(QObject *);
-
-    qreal contentsMargin() const;
-    void setContentsMargin(qreal);
-
-private Q_SLOTS:
-    void updateStretch(QGraphicsLayoutItem*,int);
-    void updateSpacing(QGraphicsLayoutItem*,int);
-    void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);
-
-private:
-    friend class LinearLayoutAttached;
-    void clearChildren();
-    void insertLayoutItem(int, QGraphicsLayoutItem *);
-    static QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> attachedProperties;
-
-    static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
-        static_cast<QGraphicsLinearLayoutObject*>(prop->object)->insertLayoutItem(-1, item);
-    }
-
-    static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
-        static_cast<QGraphicsLinearLayoutObject*>(prop->object)->clearChildren();
-    }
-
-    static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
-        return static_cast<QGraphicsLinearLayoutObject*>(prop->object)->count();
-    }
-
-    static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
-        return static_cast<QGraphicsLinearLayoutObject*>(prop->object)->itemAt(index);
-    }
-};
-
-class GridLayoutAttached;
-class QGraphicsGridLayoutObject : public QObject, public QGraphicsGridLayout
-{
-    Q_OBJECT
-    Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)
-
-    Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
-    Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)
-    Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)
-    Q_PROPERTY(qreal verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
-    Q_PROPERTY(qreal horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
-    Q_CLASSINFO("DefaultProperty", "children")
-public:
-    QGraphicsGridLayoutObject(QObject * = 0);
-    ~QGraphicsGridLayoutObject();
-
-    QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }
-
-    qreal spacing() const;
-    qreal contentsMargin() const;
-    void setContentsMargin(qreal);
-
-    static GridLayoutAttached *qmlAttachedProperties(QObject *);
-
-private Q_SLOTS:
-    void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);
-
-private:
-    friend class GraphicsLayoutAttached;
-    void addWidget(QGraphicsWidget *);
-    void clearChildren();
-    void addLayoutItem(QGraphicsLayoutItem *);
-    static QHash<QGraphicsLayoutItem*, GridLayoutAttached*> attachedProperties;
-
-    static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
-        static_cast<QGraphicsGridLayoutObject*>(prop->object)->addLayoutItem(item);
-    }
-
-    static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
-        static_cast<QGraphicsGridLayoutObject*>(prop->object)->clearChildren();
-    }
-
-    static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
-        return static_cast<QGraphicsGridLayoutObject*>(prop->object)->count();
-    }
-
-    static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
-        return static_cast<QGraphicsGridLayoutObject*>(prop->object)->itemAt(index);
-    }
-};
-
-class LinearLayoutAttached : public QObject
-{
-    Q_OBJECT
-
-    Q_PROPERTY(int stretchFactor READ stretchFactor WRITE setStretchFactor NOTIFY stretchChanged)
-    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged)
-    Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
-public:
-    LinearLayoutAttached(QObject *parent);
-
-    int stretchFactor() const { return _stretch; }
-    void setStretchFactor(int f);
-    Qt::Alignment alignment() const { return _alignment; }
-    void setAlignment(Qt::Alignment a);
-    int spacing() const { return _spacing; }
-    void setSpacing(int s);
-
-Q_SIGNALS:
-    void stretchChanged(QGraphicsLayoutItem*,int);
-    void alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment);
-    void spacingChanged(QGraphicsLayoutItem*,int);
-
-private:
-    int _stretch;
-    Qt::Alignment _alignment;
-    int _spacing;
-};
-
-class GridLayoutAttached : public QObject
-{
-    Q_OBJECT
-
-    Q_PROPERTY(int row READ row WRITE setRow)
-    Q_PROPERTY(int column READ column WRITE setColumn)
-    Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan)
-    Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan)
-    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
-    Q_PROPERTY(int rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor)
-    Q_PROPERTY(int columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor)
-    Q_PROPERTY(int rowSpacing READ rowSpacing WRITE setRowSpacing)
-    Q_PROPERTY(int columnSpacing READ columnSpacing WRITE setColumnSpacing)
-    Q_PROPERTY(int rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight)
-    Q_PROPERTY(int rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight)
-    Q_PROPERTY(int rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight)
-    Q_PROPERTY(int rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight)
-    Q_PROPERTY(int columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth)
-    Q_PROPERTY(int columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth)
-    Q_PROPERTY(int columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth)
-    Q_PROPERTY(int columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth)
-
-public:
-    GridLayoutAttached(QObject *parent);
-
-    int row() const { return _row; }
-    void setRow(int r);
-
-    int column() const { return _column; }
-    void setColumn(int c);
-
-    int rowSpan() const { return _rowspan; }
-    void setRowSpan(int rs);
-
-    int columnSpan() const { return _colspan; }
-    void setColumnSpan(int cs);
-
-    Qt::Alignment alignment() const { return _alignment; }
-    void setAlignment(Qt::Alignment a);
-
-    int rowStretchFactor() const { return _rowstretch; }
-    void setRowStretchFactor(int f);
-    int columnStretchFactor() const { return _colstretch; }
-    void setColumnStretchFactor(int f);
-
-    int rowSpacing() const { return _rowspacing; }
-    void setRowSpacing(int s);
-    int columnSpacing() const { return _colspacing; }
-    void setColumnSpacing(int s);
-
-    int rowPreferredHeight() const { return _rowprefheight; }
-    void setRowPreferredHeight(int s) { _rowprefheight = s; }
-
-    int rowMaximumHeight() const { return _rowmaxheight; }
-    void setRowMaximumHeight(int s) { _rowmaxheight = s; }
-
-    int rowMinimumHeight() const { return _rowminheight; }
-    void setRowMinimumHeight(int s) { _rowminheight = s; }
-
-    int rowFixedHeight() const { return _rowfixheight; }
-    void setRowFixedHeight(int s) { _rowfixheight = s; }
-
-    int columnPreferredWidth() const { return _colprefwidth; }
-    void setColumnPreferredWidth(int s) { _colprefwidth = s; }
-
-    int columnMaximumWidth() const { return _colmaxwidth; }
-    void setColumnMaximumWidth(int s) { _colmaxwidth = s; }
-
-    int columnMinimumWidth() const { return _colminwidth; }
-    void setColumnMinimumWidth(int s) { _colminwidth = s; }
-
-    int columnFixedWidth() const { return _colfixwidth; }
-    void setColumnFixedWidth(int s) { _colfixwidth = s; }
-
-Q_SIGNALS:
-    void alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment);
-
-private:
-    int _row;
-    int _column;
-    int _rowspan;
-    int _colspan;
-    Qt::Alignment _alignment;
-    int _rowstretch;
-    int _colstretch;
-    int _rowspacing;
-    int _colspacing;
-    int _rowprefheight;
-    int _rowmaxheight;
-    int _rowminheight;
-    int _rowfixheight;
-    int _colprefwidth;
-    int _colmaxwidth;
-    int _colminwidth;
-    int _colfixwidth;
-};
-
-QT_END_NAMESPACE
-
-QML_DECLARE_INTERFACE(QGraphicsLayoutItem)
-QML_DECLARE_INTERFACE(QGraphicsLayout)
-QML_DECLARE_TYPE(QGraphicsLinearLayoutStretchItemObject)
-QML_DECLARE_TYPE(QGraphicsLinearLayoutObject)
-QML_DECLARE_TYPEINFO(QGraphicsLinearLayoutObject, QML_HAS_ATTACHED_PROPERTIES)
-QML_DECLARE_TYPE(QGraphicsGridLayoutObject)
-QML_DECLARE_TYPEINFO(QGraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES)
-
-QT_END_HEADER
-
-#endif // GRAPHICSLAYOUTS_H
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.pro b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.pro
index c85a400..77c6b2a 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.pro
+++ b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.pro
@@ -5,4 +5,4 @@ INCLUDEPATH += .
 QT += declarative
 
 SOURCES += main.cpp
-RESOURCES += layoutItem.qrc
+RESOURCES += layoutitem.qrc
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qml b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qml
index 6f377c5..6f377c5 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qml
+++ b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qml
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qmlproject b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qmlproject
index d4909f8..d4909f8 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qmlproject
+++ b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qmlproject
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qrc b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qrc
index deb0fba..2e52578 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/layoutItem.qrc
+++ b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/layoutitem.qrc
@@ -1,5 +1,5 @@
 <!DOCTYPE RCC><RCC version="1.0">
 <qresource>
-    <file>layoutItem.qml</file>
+    <file>layoutitem.qml</file>
 </qresource>
 </RCC>
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/main.cpp b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/main.cpp
index ef927d1..20a83e7 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/layoutItem/main.cpp
+++ b/examples/declarative/cppextensions/qgraphicslayouts/layoutitem/main.cpp
@@ -64,7 +64,7 @@ int main(int argc, char* argv[])
 
     //Add the QML snippet into the layout
     QDeclarativeEngine engine;
-    QDeclarativeComponent c(&engine, QUrl(":layoutItem.qml"));
+    QDeclarativeComponent c(&engine, QUrl(":layoutitem.qml"));
     QGraphicsLayoutItem* obj = qobject_cast<QGraphicsLayoutItem*>(c.create());
     layout->addItem(obj);
 
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.cpp
new file mode 100644
index 0000000..b52305e
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.cpp
@@ -0,0 +1,188 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "gridlayout.h"
+
+#include <QGraphicsWidget>
+#include <QDebug>
+
+GridLayoutAttached::GridLayoutAttached(QObject *parent)
+: QObject(parent), m_row(-1), m_column(-1), m_rowspan(1), m_colspan(1), m_alignment(-1), m_rowStretch(-1),
+    m_colStretch(-1), m_rowSpacing(-1), m_colSpacing(-1), m_rowPrefHeight(-1), m_rowMaxHeight(-1), m_rowMinHeight(-1),
+    m_rowFixHeight(-1), m_colPrefwidth(-1), m_colMaxwidth(-1), m_colMinwidth(-1), m_colFixwidth(-1)
+{
+}
+
+void GridLayoutAttached::setAlignment(Qt::Alignment a)
+{
+    if (m_alignment != a) {
+        m_alignment = a;
+        emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_alignment);
+    }
+}
+
+QHash<QGraphicsLayoutItem*, GridLayoutAttached*> GraphicsGridLayoutObject::attachedProperties;
+
+GraphicsGridLayoutObject::GraphicsGridLayoutObject(QObject *parent)
+: QObject(parent)
+{
+}
+
+GraphicsGridLayoutObject::~GraphicsGridLayoutObject()
+{
+}
+
+void GraphicsGridLayoutObject::addWidget(QGraphicsWidget *widget)
+{
+    //use attached properties
+    if (QObject *obj = attachedProperties.value(qobject_cast<QGraphicsLayoutItem*>(widget))) {
+        int row = static_cast<GridLayoutAttached *>(obj)->row();
+        int column = static_cast<GridLayoutAttached *>(obj)->column();
+        int rowSpan = static_cast<GridLayoutAttached *>(obj)->rowSpan();
+        int columnSpan = static_cast<GridLayoutAttached *>(obj)->columnSpan();
+        if (row == -1 || column == -1) {
+            qWarning() << "Must set row and column for an item in a grid layout";
+            return;
+        }
+        addItem(widget, row, column, rowSpan, columnSpan);
+    }
+}
+
+void GraphicsGridLayoutObject::addLayoutItem(QGraphicsLayoutItem *item)
+{
+    //use attached properties
+    if (GridLayoutAttached *obj = attachedProperties.value(item)) {
+        int row = obj->row();
+        int column = obj->column();
+        int rowSpan = obj->rowSpan();
+        int columnSpan = obj->columnSpan();
+        Qt::Alignment alignment = obj->alignment();
+
+        if (row == -1 || column == -1) {
+            qWarning() << "Must set row and column for an item in a grid layout";
+            return;
+        }
+
+        if (obj->rowSpacing() != -1)
+            setRowSpacing(row, obj->rowSpacing());
+        if (obj->columnSpacing() != -1)
+            setColumnSpacing(column, obj->columnSpacing());
+        if (obj->rowStretchFactor() != -1)
+            setRowStretchFactor(row, obj->rowStretchFactor());
+        if (obj->columnStretchFactor() != -1)
+            setColumnStretchFactor(column, obj->columnStretchFactor());
+        if (obj->rowPreferredHeight() != -1)
+            setRowPreferredHeight(row, obj->rowPreferredHeight());
+        if (obj->rowMaximumHeight() != -1)
+            setRowMaximumHeight(row, obj->rowMaximumHeight());
+        if (obj->rowMinimumHeight() != -1)
+            setRowMinimumHeight(row, obj->rowMinimumHeight());
+        if (obj->rowFixedHeight() != -1)
+            setRowFixedHeight(row, obj->rowFixedHeight());
+        if (obj->columnPreferredWidth() != -1)
+            setColumnPreferredWidth(row, obj->columnPreferredWidth());
+        if (obj->columnMaximumWidth() != -1)
+            setColumnMaximumWidth(row, obj->columnMaximumWidth());
+        if (obj->columnMinimumWidth() != -1)
+            setColumnMinimumWidth(row, obj->columnMinimumWidth());
+        if (obj->columnFixedWidth() != -1)
+            setColumnFixedWidth(row, obj->columnFixedWidth());
+
+        addItem(item, row, column, rowSpan, columnSpan);
+
+        if (alignment != -1)
+            setAlignment(item, alignment);
+        QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment)),
+                         this, SLOT(updateAlignment(QGraphicsLayoutItem*, Qt::Alignment)));
+    }
+}
+
+void GraphicsGridLayoutObject::removeAt(int index)
+{
+    QGraphicsLayoutItem *item = itemAt(index);
+    if (item) {
+        GridLayoutAttached *obj = attachedProperties.value(item);
+        obj->disconnect(this);
+        attachedProperties.remove(item);
+    }
+    QGraphicsGridLayout::removeAt(index);
+}
+
+void GraphicsGridLayoutObject::clearChildren()
+{
+    // do not delete the removed items; they will be deleted by the QML engine
+    while (count() > 0)
+        removeAt(count()-1);
+}
+
+qreal GraphicsGridLayoutObject::spacing() const
+{
+    if (verticalSpacing() == horizontalSpacing())
+        return verticalSpacing();
+    return -1; 
+}
+
+qreal GraphicsGridLayoutObject::contentsMargin() const
+{
+    qreal a, b, c, d;
+    getContentsMargins(&a, &b, &c, &d);
+    if (a == b && a == c && a == d)
+        return a;
+    return -1;
+}
+
+void GraphicsGridLayoutObject::setContentsMargin(qreal m)
+{
+    setContentsMargins(m, m, m, m);
+}
+
+void GraphicsGridLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment)
+{
+    QGraphicsGridLayout::setAlignment(item, alignment);
+}
+
+GridLayoutAttached *GraphicsGridLayoutObject::qmlAttachedProperties(QObject *obj)
+{
+    GridLayoutAttached *rv = new GridLayoutAttached(obj);
+    if (qobject_cast<QGraphicsLayoutItem*>(obj))
+        attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv);
+    return rv;
+}
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h
new file mode 100644
index 0000000..ca2cedc
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h
@@ -0,0 +1,217 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GRIDLAYOUT_H
+#define GRIDLAYOUT_H
+
+#include <qdeclarative.h>
+
+#include <QGraphicsGridLayout>
+#include <QGraphicsLayoutItem>
+
+class GridLayoutAttached;
+class GraphicsGridLayoutObject : public QObject, public QGraphicsGridLayout
+{
+    Q_OBJECT
+    Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)
+
+    Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
+    Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)
+    Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)
+    Q_PROPERTY(qreal verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
+    Q_PROPERTY(qreal horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
+    Q_CLASSINFO("DefaultProperty", "children")
+
+public:
+    GraphicsGridLayoutObject(QObject * = 0);
+    ~GraphicsGridLayoutObject();
+
+    QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }
+
+    qreal spacing() const;
+    qreal contentsMargin() const;
+    void setContentsMargin(qreal);
+
+    void removeAt(int index);
+
+    static GridLayoutAttached *qmlAttachedProperties(QObject *);
+
+private slots:
+    void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);
+
+private:
+    friend class GraphicsLayoutAttached;
+
+    void addWidget(QGraphicsWidget *);
+    void clearChildren();
+    void addLayoutItem(QGraphicsLayoutItem *);
+
+    static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
+        static_cast<GraphicsGridLayoutObject*>(prop->object)->addLayoutItem(item);
+    }
+
+    static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
+        static_cast<GraphicsGridLayoutObject*>(prop->object)->clearChildren();
+    }
+
+    static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
+        return static_cast<GraphicsGridLayoutObject*>(prop->object)->count();
+    }
+
+    static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
+        return static_cast<GraphicsGridLayoutObject*>(prop->object)->itemAt(index);
+    }
+
+    static QHash<QGraphicsLayoutItem*, GridLayoutAttached*> attachedProperties;
+};
+
+
+class GridLayoutAttached : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int row READ row WRITE setRow)
+    Q_PROPERTY(int column READ column WRITE setColumn)
+
+    Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan)
+    Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan)
+    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
+
+    Q_PROPERTY(int rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor)
+    Q_PROPERTY(int columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor)
+    Q_PROPERTY(int rowSpacing READ rowSpacing WRITE setRowSpacing)
+    Q_PROPERTY(int columnSpacing READ columnSpacing WRITE setColumnSpacing)
+
+    Q_PROPERTY(int rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight)
+    Q_PROPERTY(int rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight)
+    Q_PROPERTY(int rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight)
+    Q_PROPERTY(int rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight)
+
+    Q_PROPERTY(int columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth)
+    Q_PROPERTY(int columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth)
+    Q_PROPERTY(int columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth)
+    Q_PROPERTY(int columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth)
+
+public:
+    GridLayoutAttached(QObject *parent);
+
+    int row() const { return m_row; }
+    void setRow(int r) { m_row = r; }
+
+    int column() const { return m_column; }
+    void setColumn(int c) { m_column = c; }
+
+    int rowSpan() const { return m_rowspan; }
+    void setRowSpan(int rs) { m_rowspan = rs; }
+
+    int columnSpan() const { return m_colspan; }
+    void setColumnSpan(int cs) { m_colspan = cs; }
+
+    Qt::Alignment alignment() const { return m_alignment; }
+    void setAlignment(Qt::Alignment a);
+
+    int rowStretchFactor() const { return m_rowStretch; }
+    void setRowStretchFactor(int f) { m_rowStretch = f; }
+    int columnStretchFactor() const { return m_colStretch; }
+    void setColumnStretchFactor(int f) { m_colStretch = f; }
+
+    int rowSpacing() const { return m_rowSpacing; }
+    void setRowSpacing(int s) { m_rowSpacing = s; }
+    int columnSpacing() const { return m_colSpacing; }
+    void setColumnSpacing(int s) { m_colSpacing = s; }
+
+    int rowPreferredHeight() const { return m_rowPrefHeight; }
+    void setRowPreferredHeight(int s) { m_rowPrefHeight = s; }
+
+    int rowMaximumHeight() const { return m_rowMaxHeight; }
+    void setRowMaximumHeight(int s) { m_rowMaxHeight = s; }
+
+    int rowMinimumHeight() const { return m_rowMinHeight; }
+    void setRowMinimumHeight(int s) { m_rowMinHeight = s; }
+
+    int rowFixedHeight() const { return m_rowFixHeight; }
+    void setRowFixedHeight(int s) { m_rowFixHeight = s; }
+
+    int columnPreferredWidth() const { return m_colPrefwidth; }
+    void setColumnPreferredWidth(int s) { m_colPrefwidth = s; }
+
+    int columnMaximumWidth() const { return m_colMaxwidth; }
+    void setColumnMaximumWidth(int s) { m_colMaxwidth = s; }
+
+    int columnMinimumWidth() const { return m_colMinwidth; }
+    void setColumnMinimumWidth(int s) { m_colMinwidth = s; }
+
+    int columnFixedWidth() const { return m_colFixwidth; }
+    void setColumnFixedWidth(int s) { m_colFixwidth = s; }
+
+signals:
+    void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment);
+
+private:
+    int m_row;
+    int m_column;
+
+    int m_rowspan;
+    int m_colspan;
+    Qt::Alignment m_alignment;
+
+    int m_rowStretch;
+    int m_colStretch;
+    int m_rowSpacing;
+    int m_colSpacing;
+
+    int m_rowPrefHeight;
+    int m_rowMaxHeight;
+    int m_rowMinHeight;
+    int m_rowFixHeight;
+
+    int m_colPrefwidth;
+    int m_colMaxwidth;
+    int m_colMinwidth;
+    int m_colFixwidth;
+};
+
+QML_DECLARE_INTERFACE(QGraphicsLayoutItem)
+QML_DECLARE_INTERFACE(QGraphicsLayout)
+QML_DECLARE_TYPE(GraphicsGridLayoutObject)
+QML_DECLARE_TYPEINFO(GraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES)
+
+#endif
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.qrc b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.qrc
index a199f8d..bdf8312 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.qrc
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.qrc
@@ -1,5 +1,6 @@
 <!DOCTYPE RCC><RCC version="1.0">
 <qresource>
-    <file>graphicslayouts.qml</file>
+    <file>qgraphicsgridlayout.qml</file>
 </qresource>
 </RCC>
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/main.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/main.cpp
index b0a15fc..6525cb3 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/main.cpp
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/main.cpp
@@ -38,22 +38,26 @@
 **
 ****************************************************************************/
 
+#include "gridlayout.h"
+
+#include <qdeclarative.h>
+#include <QDeclarativeView>
+
 #include <QApplication>
-#include <QtDeclarative/qdeclarative.h>
-#include "graphicslayouts_p.h"
-#include <QtDeclarative/QDeclarativeView>
 
 int main(int argc, char* argv[])
 {
     QApplication app(argc, argv);
-    QDeclarativeView view;
+
     qmlRegisterInterface<QGraphicsLayoutItem>("QGraphicsLayoutItem");
     qmlRegisterInterface<QGraphicsLayout>("QGraphicsLayout");
-    qmlRegisterType<QGraphicsLinearLayoutStretchItemObject>("GraphicsLayouts",4,7,"QGraphicsLinearLayoutStretchItem");
-    qmlRegisterType<QGraphicsLinearLayoutObject>("GraphicsLayouts",4,7,"QGraphicsLinearLayout");
-    qmlRegisterType<QGraphicsGridLayoutObject>("GraphicsLayouts",4,7,"QGraphicsGridLayout");
-    view.setSource(QUrl(":graphicslayouts.qml"));
+    qmlRegisterType<GraphicsGridLayoutObject>("GridLayouts", 4, 7, "GraphicsGridLayout");
+
+    QDeclarativeView view;
+    view.setSource(QUrl(":qgraphicsgridlayout.qml"));
     view.show();
+
     return app.exec();
 };
 
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/qgraphicsgridlayout.pro b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/qgraphicsgridlayout.pro
new file mode 100644
index 0000000..ae6373d
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/qgraphicsgridlayout.pro
@@ -0,0 +1,15 @@
+TEMPLATE = app
+TARGET  = qgraphicsgridlayout
+QT += declarative
+
+SOURCES += \
+    gridlayout.cpp \
+    main.cpp
+
+HEADERS += \
+    gridlayout.h
+
+RESOURCES += \
+    gridlayout.qrc
+
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.qml b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/qgraphicsgridlayout.qml
index 586f7f9..50026f1 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.qml
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/qgraphicsgridlayout.qml
@@ -39,79 +39,62 @@
 ****************************************************************************/
 
 import Qt 4.7
-import GraphicsLayouts 4.7
+import GridLayouts 4.7
 
 Item {
-    id: resizable
-
-    width: 800
+    width: 400
     height: 400
 
     QGraphicsWidget {
-        size.width: parent.width/2
+        size.width: parent.width
         size.height: parent.height
 
-        layout: QGraphicsLinearLayout {
-            LayoutItem {
-                minimumSize: "100x100"
-                maximumSize: "300x300"
-                preferredSize: "100x100"
-                Rectangle { color: "yellow"; anchors.fill: parent }
-            }
-            LayoutItem {
-                minimumSize: "100x100"
-                maximumSize: "400x400"
-                preferredSize: "200x200"
-                Rectangle { color: "green"; anchors.fill: parent }
-            }
-        }
-    }
-    QGraphicsWidget {
-        x: parent.width/2
-        size.width: parent.width/2
-        size.height: parent.height
+        /*
+            Below we create a grid layout using the GraphicsGridLayout item 
+            (defined by the GraphicsGridLayoutObject class in gridlayout.h). 
 
-        layout: QGraphicsGridLayout {
+            The row, column etc. are set through attached properties on
+            GraphicsGridLayout, using the properties defined in the 
+            GridLayoutAttached class (also defined in gridlayout.h).
+        */
+
+        layout: GraphicsGridLayout {
             LayoutItem {
-                QGraphicsGridLayout.row: 0
-                QGraphicsGridLayout.column: 0
+                GraphicsGridLayout.row: 0
+                GraphicsGridLayout.column: 0
                 minimumSize: "100x100"
                 maximumSize: "300x300"
-                preferredSize: "100x100"
+                preferredSize: "200x200"
                 Rectangle { color: "red"; anchors.fill: parent }
             }
             LayoutItem {
-                QGraphicsGridLayout.row: 1
-                QGraphicsGridLayout.column: 0
+                GraphicsGridLayout.row: 0
+                GraphicsGridLayout.column: 1
                 minimumSize: "100x100"
                 maximumSize: "200x200"
-                preferredSize: "100x100"
+                preferredSize: "200x200"
                 Rectangle { color: "orange"; anchors.fill: parent }
             }
             LayoutItem {
-                QGraphicsGridLayout.row: 2
-                QGraphicsGridLayout.column: 0
+                GraphicsGridLayout.row: 1
+                GraphicsGridLayout.column: 0
+                GraphicsGridLayout.columnSpan: 2
                 minimumSize: "100x100"
-                maximumSize: "300x300"
-                preferredSize: "200x200"
                 Rectangle { color: "yellow"; anchors.fill: parent }
             }
             LayoutItem {
-                QGraphicsGridLayout.row: 0
-                QGraphicsGridLayout.column: 1
-                minimumSize: "100x100"
-                maximumSize: "200x200"
+                GraphicsGridLayout.row: 2
+                GraphicsGridLayout.column: 0
                 preferredSize: "200x200"
                 Rectangle { color: "green"; anchors.fill: parent }
             }
             LayoutItem {
-                QGraphicsGridLayout.row: 1
-                QGraphicsGridLayout.column: 1
-                minimumSize: "100x100"
-                maximumSize: "400x400"
+                GraphicsGridLayout.row: 2
+                GraphicsGridLayout.column: 1
                 preferredSize: "200x200"
                 Rectangle { color: "blue"; anchors.fill: parent }
             }
         }
     }
 }
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslayouts.pro b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslayouts.pro
index d92a6f4..672120a 100644
--- a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslayouts.pro
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslayouts.pro
@@ -1,5 +1,6 @@
 TEMPLATE = subdirs
 
 SUBDIRS += \
-    graphicsLayouts \
-    layoutItem
+    layoutitem \
+    qgraphicsgridlayout \
+    qgraphicslinearlayout
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp
new file mode 100644
index 0000000..d0e9783
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "linearlayout.h"
+
+#include <QGraphicsWidget>
+#include <QGraphicsLayoutItem>
+
+LinearLayoutAttached::LinearLayoutAttached(QObject *parent)
+: QObject(parent), m_stretch(1), m_alignment(Qt::AlignTop), m_spacing(0)
+{
+}
+
+void LinearLayoutAttached::setStretchFactor(int f)
+{
+    if (m_stretch != f) {
+        m_stretch = f;
+        emit stretchChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_stretch);
+    }
+}
+
+void LinearLayoutAttached::setSpacing(int s)
+{
+    if (m_spacing != s) {
+        m_spacing = s;
+        emit spacingChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_spacing);
+    }
+}
+
+void LinearLayoutAttached::setAlignment(Qt::Alignment a)
+{
+    if (m_alignment != a) {
+        m_alignment = a;
+        emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_alignment);
+    }
+}
+
+GraphicsLinearLayoutStretchItemObject::GraphicsLinearLayoutStretchItemObject(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QSizeF GraphicsLinearLayoutStretchItemObject::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+    Q_UNUSED(which);
+    Q_UNUSED(constraint);
+    return QSizeF();
+}
+
+
+GraphicsLinearLayoutObject::GraphicsLinearLayoutObject(QObject *parent)
+: QObject(parent)
+{
+}
+
+GraphicsLinearLayoutObject::~GraphicsLinearLayoutObject()
+{
+}
+
+void GraphicsLinearLayoutObject::insertLayoutItem(int index, QGraphicsLayoutItem *item)
+{
+    insertItem(index, item);
+
+    if (LinearLayoutAttached *obj = attachedProperties.value(item)) {
+        setStretchFactor(item, obj->stretchFactor());
+        setAlignment(item, obj->alignment());
+        updateSpacing(item, obj->spacing());
+        QObject::connect(obj, SIGNAL(stretchChanged(QGraphicsLayoutItem*,int)),
+                         this, SLOT(updateStretch(QGraphicsLayoutItem*,int)));
+        QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)),
+                         this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment)));
+        QObject::connect(obj, SIGNAL(spacingChanged(QGraphicsLayoutItem*,int)),
+                         this, SLOT(updateSpacing(QGraphicsLayoutItem*,int)));
+    }
+}
+
+void GraphicsLinearLayoutObject::removeAt(int index)
+{
+    QGraphicsLayoutItem *item = itemAt(index);
+    if (item) {
+        LinearLayoutAttached *obj = attachedProperties.value(item);
+        obj->disconnect(this);
+        attachedProperties.remove(item);
+    }
+    QGraphicsLinearLayout::removeAt(index);
+}
+
+void GraphicsLinearLayoutObject::clearChildren()
+{
+    // do not delete the removed items; they will be deleted by the QML engine
+    while (count() > 0)
+        removeAt(count()-1);
+}
+
+qreal GraphicsLinearLayoutObject::contentsMargin() const
+{
+    qreal a, b, c, d;
+    getContentsMargins(&a, &b, &c, &d);
+    if (a == b && a == c && a == d)
+        return a;
+    return -1;
+}
+
+void GraphicsLinearLayoutObject::setContentsMargin(qreal m)
+{
+    setContentsMargins(m, m, m, m);
+}
+
+void GraphicsLinearLayoutObject::updateStretch(QGraphicsLayoutItem *item, int stretch)
+{
+    QGraphicsLinearLayout::setStretchFactor(item, stretch);
+}
+
+void GraphicsLinearLayoutObject::updateSpacing(QGraphicsLayoutItem* item, int spacing)
+{
+    for (int i=0; i < count(); i++){
+        if (itemAt(i) == item) {
+            QGraphicsLinearLayout::setItemSpacing(i, spacing);
+            return;
+        }
+    }
+}
+
+void GraphicsLinearLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment)
+{
+    QGraphicsLinearLayout::setAlignment(item, alignment);
+}
+
+QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> GraphicsLinearLayoutObject::attachedProperties;
+LinearLayoutAttached *GraphicsLinearLayoutObject::qmlAttachedProperties(QObject *obj)
+{
+    LinearLayoutAttached *rv = new LinearLayoutAttached(obj);
+    if (qobject_cast<QGraphicsLayoutItem*>(obj))
+        attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv);
+    return rv;
+}
+
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h
new file mode 100644
index 0000000..d9391ca
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef LINEARLAYOUT_H
+#define LINEARLAYOUT_H
+
+#include <qdeclarative.h>
+
+#include <QGraphicsLinearLayout>
+#include <QGraphicsLayoutItem>
+
+class GraphicsLinearLayoutStretchItemObject : public QObject, public QGraphicsLayoutItem
+{
+    Q_OBJECT
+    Q_INTERFACES(QGraphicsLayoutItem)
+public:
+    GraphicsLinearLayoutStretchItemObject(QObject *parent = 0);
+
+    virtual QSizeF sizeHint(Qt::SizeHint, const QSizeF &) const;
+};
+
+
+class LinearLayoutAttached;
+class GraphicsLinearLayoutObject : public QObject, public QGraphicsLinearLayout
+{
+    Q_OBJECT
+    Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)
+
+    Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
+    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
+    Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)
+    Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)
+    Q_CLASSINFO("DefaultProperty", "children")
+public:
+    GraphicsLinearLayoutObject(QObject * = 0);
+    ~GraphicsLinearLayoutObject();
+
+    QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }
+
+    qreal contentsMargin() const;
+    void setContentsMargin(qreal);
+
+    void removeAt(int index);
+
+    static LinearLayoutAttached *qmlAttachedProperties(QObject *);
+
+private slots:
+    void updateStretch(QGraphicsLayoutItem*,int);
+    void updateSpacing(QGraphicsLayoutItem*,int);
+    void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);
+
+private:
+    friend class LinearLayoutAttached;
+
+    void clearChildren();
+    void insertLayoutItem(int, QGraphicsLayoutItem *);
+
+    static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
+        static_cast<GraphicsLinearLayoutObject*>(prop->object)->insertLayoutItem(-1, item);
+    }
+
+    static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
+        static_cast<GraphicsLinearLayoutObject*>(prop->object)->clearChildren();
+    }
+
+    static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
+        return static_cast<GraphicsLinearLayoutObject*>(prop->object)->count();
+    }
+
+    static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
+        return static_cast<GraphicsLinearLayoutObject*>(prop->object)->itemAt(index);
+    }
+
+    static QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> attachedProperties;
+};
+
+
+class LinearLayoutAttached : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int stretchFactor READ stretchFactor WRITE setStretchFactor NOTIFY stretchChanged)
+    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged)
+    Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
+
+public:
+    LinearLayoutAttached(QObject *parent);
+
+    int stretchFactor() const { return m_stretch; }
+    void setStretchFactor(int f);
+    Qt::Alignment alignment() const { return m_alignment; }
+    void setAlignment(Qt::Alignment a);
+    int spacing() const { return m_spacing; }
+    void setSpacing(int s);
+
+signals:
+    void stretchChanged(QGraphicsLayoutItem*, int);
+    void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment);
+    void spacingChanged(QGraphicsLayoutItem*, int);
+
+private:
+    int m_stretch;
+    Qt::Alignment m_alignment;
+    int m_spacing;
+};
+
+QML_DECLARE_INTERFACE(QGraphicsLayoutItem)
+QML_DECLARE_INTERFACE(QGraphicsLayout)
+QML_DECLARE_TYPE(GraphicsLinearLayoutStretchItemObject)
+QML_DECLARE_TYPE(GraphicsLinearLayoutObject)
+QML_DECLARE_TYPEINFO(GraphicsLinearLayoutObject, QML_HAS_ATTACHED_PROPERTIES)
+
+#endif
+
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc
new file mode 100644
index 0000000..93a3533
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>qgraphicslinearlayout.qml</file>
+</qresource>
+</RCC>
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp
new file mode 100644
index 0000000..f8d08c2
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "linearlayout.h"
+
+#include <qdeclarative.h>
+#include <QDeclarativeView>
+
+#include <QApplication>
+
+int main(int argc, char* argv[])
+{
+    QApplication app(argc, argv);
+
+    qmlRegisterInterface<QGraphicsLayoutItem>("QGraphicsLayoutItem");
+    qmlRegisterInterface<QGraphicsLayout>("QGraphicsLayout");
+    qmlRegisterType<GraphicsLinearLayoutStretchItemObject>("LinearLayouts", 4, 7, "GraphicsLinearLayoutStretchItem");
+    qmlRegisterType<GraphicsLinearLayoutObject>("LinearLayouts", 4, 7, "GraphicsLinearLayout");
+
+    QDeclarativeView view;
+    view.setSource(QUrl(":qgraphicslinearlayout.qml"));
+    view.show();
+
+    return app.exec();
+};
+
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro
new file mode 100644
index 0000000..79eb6ff
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro
@@ -0,0 +1,15 @@
+TEMPLATE = app
+TARGET  = qgraphicslinearlayout
+QT += declarative
+
+SOURCES += \
+    linearlayout.cpp \
+    main.cpp
+
+HEADERS += \
+    linearlayout.h
+
+RESOURCES += \
+    linearlayout.qrc
+
+
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.qml b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.qml
new file mode 100644
index 0000000..9a0bd55
--- /dev/null
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.qml
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import Qt 4.7
+import LinearLayouts 4.7
+
+Item {
+    width: 400
+    height: 400
+
+    QGraphicsWidget {
+        size.width: parent.width
+        size.height: parent.height
+
+        /*
+            Below we create a linear layout using the GraphicsLinearLayout item 
+            (defined by the GraphicsLinearLayoutObject class in linearlayout.h). 
+
+            The first LayoutItem uses 'GraphicsLinearLayout.spacing' to set the
+            item's spacing: this is an attached property, set using the 
+            properties defined in the LinearLayoutAttached class (also defined
+            in linearlayout.h).
+        */
+
+        layout: GraphicsLinearLayout {
+            LayoutItem {
+                GraphicsLinearLayout.spacing: 50
+                minimumSize: "100x100"
+                maximumSize: "200x200"
+                preferredSize: "100x100"
+                Rectangle { color: "yellow"; anchors.fill: parent }
+            }
+            LayoutItem {
+                minimumSize: "100x100"
+                maximumSize: "400x400"
+                preferredSize: "300x300"
+                Rectangle { color: "green"; anchors.fill: parent }
+            }
+        }
+    }
+}
+
diff --git a/src/declarative/debugger/debugger.pri b/src/declarative/debugger/debugger.pri
index 6777868..33d0843 100644
--- a/src/declarative/debugger/debugger.pri
+++ b/src/declarative/debugger/debugger.pri
@@ -6,7 +6,7 @@ SOURCES += \
     $$PWD/qdeclarativedebugservice.cpp \
     $$PWD/qdeclarativedebugclient.cpp \
     $$PWD/qdeclarativedebug.cpp \
-    $$PWD/qdeclarativedebugtiming.cpp
+    $$PWD/qdeclarativedebugtrace.cpp
 
 HEADERS += \
     $$PWD/qdeclarativedebuggerstatus_p.h \
@@ -14,4 +14,4 @@ HEADERS += \
     $$PWD/qdeclarativedebugservice_p.h \
     $$PWD/qdeclarativedebugclient_p.h \
     $$PWD/qdeclarativedebug_p.h \
-    $$PWD/qdeclarativedebugtiming_p.h
+    $$PWD/qdeclarativedebugtrace_p.h
diff --git a/src/declarative/debugger/qdeclarativedebugtiming.cpp b/src/declarative/debugger/qdeclarativedebugtrace.cpp
index 5b93852..5e6d5e7 100644
--- a/src/declarative/debugger/qdeclarativedebugtiming.cpp
+++ b/src/declarative/debugger/qdeclarativedebugtrace.cpp
@@ -39,37 +39,44 @@
 **
 ****************************************************************************/
 
-#include "qdeclarativedebugtiming_p.h"
+#include "qdeclarativedebugtrace_p.h"
 
 #include <QtCore/qdatastream.h>
+#include <QtCore/qurl.h>
 
-Q_GLOBAL_STATIC(QDeclarativeDebugTiming, timerInstance);
+Q_GLOBAL_STATIC(QDeclarativeDebugTrace, traceInstance);
 
-QDeclarativeDebugTiming::QDeclarativeDebugTiming()
+QDeclarativeDebugTrace::QDeclarativeDebugTrace()
 : QDeclarativeDebugService(QLatin1String("CanvasFrameRate"))
 {
     m_timer.start();
 }
 
-void QDeclarativeDebugTiming::addEvent(EventType t)
+void QDeclarativeDebugTrace::addEvent(EventType t)
 {
     if (QDeclarativeDebugService::isDebuggingEnabled()) 
-        timerInstance()->addEventImpl(t);
+        traceInstance()->addEventImpl(t);
 }
 
-void QDeclarativeDebugTiming::startRange(RangeType t)
+void QDeclarativeDebugTrace::startRange(RangeType t)
 {
     if (QDeclarativeDebugService::isDebuggingEnabled()) 
-        timerInstance()->startRangeImpl(t);
+        traceInstance()->startRangeImpl(t);
 }
 
-void QDeclarativeDebugTiming::endRange(RangeType t)
+void QDeclarativeDebugTrace::rangeData(RangeType t, const QUrl &url)
 {
     if (QDeclarativeDebugService::isDebuggingEnabled()) 
-        timerInstance()->endRangeImpl(t);
+        traceInstance()->rangeDataImpl(t, url);
 }
 
-void QDeclarativeDebugTiming::addEventImpl(EventType event)
+void QDeclarativeDebugTrace::endRange(RangeType t)
+{
+    if (QDeclarativeDebugService::isDebuggingEnabled()) 
+        traceInstance()->endRangeImpl(t);
+}
+
+void QDeclarativeDebugTrace::addEventImpl(EventType event)
 {
     QByteArray data;
     QDataStream ds(&data, QIODevice::WriteOnly);
@@ -77,7 +84,7 @@ void QDeclarativeDebugTiming::addEventImpl(EventType event)
     sendMessage(data);
 }
 
-void QDeclarativeDebugTiming::startRangeImpl(RangeType range)
+void QDeclarativeDebugTrace::startRangeImpl(RangeType range)
 {
     QByteArray data;
     QDataStream ds(&data, QIODevice::WriteOnly);
@@ -85,7 +92,15 @@ void QDeclarativeDebugTiming::startRangeImpl(RangeType range)
     sendMessage(data);
 }
 
-void QDeclarativeDebugTiming::endRangeImpl(RangeType range)
+void QDeclarativeDebugTrace::rangeDataImpl(RangeType range, const QUrl &u)
+{
+    QByteArray data;
+    QDataStream ds(&data, QIODevice::WriteOnly);
+    ds << m_timer.elapsed() << (int)RangeData << (int)range << (QString)u.toString();
+    sendMessage(data);
+}
+
+void QDeclarativeDebugTrace::endRangeImpl(RangeType range)
 {
     QByteArray data;
     QDataStream ds(&data, QIODevice::WriteOnly);
diff --git a/src/declarative/debugger/qdeclarativedebugtiming_p.h b/src/declarative/debugger/qdeclarativedebugtrace_p.h
index d9ed67c..5ba49a8 100644
--- a/src/declarative/debugger/qdeclarativedebugtiming_p.h
+++ b/src/declarative/debugger/qdeclarativedebugtrace_p.h
@@ -39,8 +39,8 @@
 **
 ****************************************************************************/
 
-#ifndef QDECLARATIVEDEBUGTIMING_P_H
-#define QDECLARATIVEDEBUGTIMING_P_H
+#ifndef QDECLARATIVEDEBUGTRACE_P_H
+#define QDECLARATIVEDEBUGTRACE_P_H
 
 #include <private/qdeclarativedebugservice_p.h>
 #include <QtCore/qelapsedtimer.h>
@@ -49,7 +49,8 @@ QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
 
-class QDeclarativeDebugTiming : public QDeclarativeDebugService
+class QUrl;
+class QDeclarativeDebugTrace : public QDeclarativeDebugService
 {
 public:
     enum EventType {
@@ -63,6 +64,7 @@ public:
     enum Message {
         Event,
         RangeStart,
+        RangeData,
         RangeEnd,
 
         MaximumMessage
@@ -77,13 +79,16 @@ public:
     };
 
     static void addEvent(EventType);
+
     static void startRange(RangeType);
+    static void rangeData(RangeType, const QUrl &);
     static void endRange(RangeType);
 
-    QDeclarativeDebugTiming();
+    QDeclarativeDebugTrace();
 private:
     void addEventImpl(EventType);
     void startRangeImpl(RangeType);
+    void rangeDataImpl(RangeType, const QUrl &);
     void endRangeImpl(RangeType);
     QElapsedTimer m_timer;
 };
@@ -92,5 +97,5 @@ QT_END_NAMESPACE
 
 QT_END_HEADER
 
-#endif // QDECLARATIVEDEBUGTIMING_P_H
+#endif // QDECLARATIVEDEBUGTRACE_P_H
 
diff --git a/src/declarative/graphicsitems/qdeclarativelayoutitem.cpp b/src/declarative/graphicsitems/qdeclarativelayoutitem.cpp
index c8ecbb6..4add66d 100644
--- a/src/declarative/graphicsitems/qdeclarativelayoutitem.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelayoutitem.cpp
@@ -50,20 +50,21 @@ QT_BEGIN_NAMESPACE
 /*!
     \qmlclass LayoutItem QDeclarativeLayoutItem
     \since 4.7
-    \brief The LayoutItem element allows you to place your declarative UI elements inside a classical Qt layout.
+    \brief The LayoutItem element allows declarative UI elements to be placed inside Qt's Graphics View layouts.
 
-    LayoutItem is a variant of Item with a couple of additional properties. These properties provide the size hints
-    needed for items to work in conjunction with Qt Layouts. The Qt Layout will resize the LayoutItem as appropriate,
+    LayoutItem is a variant of \l Item with additional size hint properties. These properties provide the size hints
+    necessary for items to work in conjunction with Qt \l{Graphics View Framework}{Graphics View} layout classes
+    such as QGraphicsLinearLayout and QGraphicsGridLayout. The Qt layout mechanisms will resize the LayoutItem as appropriate,
     taking its size hints into account, and you can propagate this to the other elements in your UI via anchors and bindings.
 
-    This is a QGraphicsLayoutItem subclass, and the properties merely expose the QGraphicsLayoutItem functionality to QML.
+    This is a QGraphicsLayoutItem subclass, and its properties merely expose the QGraphicsLayoutItem functionality to QML.
     See the QGraphicsLayoutItem documentation for further details.
 */
 
 /*!
     \internal
     \class QDeclarativeLayoutItem
-    \brief The QDeclarativeLayoutItem class allows you to place your Fluid UI elements inside a classical Qt layout.
+    \brief The QDeclarativeLayoutItem class allows you to place your QML UI elements inside Qt's Graphics View layouts.
 */
 
 
diff --git a/src/declarative/graphicsitems/qdeclarativepath.cpp b/src/declarative/graphicsitems/qdeclarativepath.cpp
index 2d08c7c..141a938 100644
--- a/src/declarative/graphicsitems/qdeclarativepath.cpp
+++ b/src/declarative/graphicsitems/qdeclarativepath.cpp
@@ -867,6 +867,9 @@ qreal QDeclarativePathPercent::value() const
 
 void QDeclarativePathPercent::setValue(qreal value)
 {
-    _value = value;
+    if (_value != value) {
+        _value = value;
+        emit changed();
+    }
 }
 QT_END_NAMESPACE
diff --git a/src/declarative/graphicsitems/qdeclarativepath_p.h b/src/declarative/graphicsitems/qdeclarativepath_p.h
index 17a2ea3..dad43e6 100644
--- a/src/declarative/graphicsitems/qdeclarativepath_p.h
+++ b/src/declarative/graphicsitems/qdeclarativepath_p.h
@@ -175,7 +175,7 @@ private:
 class Q_DECLARATIVE_EXPORT QDeclarativePathPercent : public QDeclarativePathElement
 {
     Q_OBJECT
-    Q_PROPERTY(qreal value READ value WRITE setValue)
+    Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY changed)
 public:
     QDeclarativePathPercent(QObject *parent=0) : QDeclarativePathElement(parent) {}
 
diff --git a/src/declarative/qml/qdeclarativecomponent.cpp b/src/declarative/qml/qdeclarativecomponent.cpp
index 2dc2d2d..9847079 100644
--- a/src/declarative/qml/qdeclarativecomponent.cpp
+++ b/src/declarative/qml/qdeclarativecomponent.cpp
@@ -53,7 +53,7 @@
 #include "private/qdeclarativebinding_p_p.h"
 #include "private/qdeclarativeglobal_p.h"
 #include "private/qdeclarativescriptparser_p.h"
-#include "private/qdeclarativedebugtiming_p.h"
+#include "private/qdeclarativedebugtrace_p.h"
 
 #include <QStack>
 #include <QStringList>
@@ -696,7 +696,8 @@ QDeclarativeComponentPrivate::beginCreate(QDeclarativeContextData *context, cons
 
     bool isRoot = !ep->inBeginCreate;
     if (isRoot) 
-        QDeclarativeDebugTiming::startRange(QDeclarativeDebugTiming::Creating);
+        QDeclarativeDebugTrace::startRange(QDeclarativeDebugTrace::Creating);
+    QDeclarativeDebugTrace::rangeData(QDeclarativeDebugTrace::Creating, cc->url);
 
     QDeclarativeContextData *ctxt = new QDeclarativeContextData;
     ctxt->isInternal = true;
@@ -867,7 +868,7 @@ void QDeclarativeComponentPrivate::completeCreate()
         QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
         complete(ep, &state);
 
-        QDeclarativeDebugTiming::endRange(QDeclarativeDebugTiming::Creating);
+        QDeclarativeDebugTrace::endRange(QDeclarativeDebugTrace::Creating);
     }
 }
 
diff --git a/src/declarative/util/qdeclarativeview.cpp b/src/declarative/util/qdeclarativeview.cpp
index d2dab76..6059ad6 100644
--- a/src/declarative/util/qdeclarativeview.cpp
+++ b/src/declarative/util/qdeclarativeview.cpp
@@ -48,7 +48,7 @@
 #include <qdeclarativeglobal_p.h>
 #include <qdeclarativeguard_p.h>
 
-#include <private/qdeclarativedebugtiming_p.h>
+#include <private/qdeclarativedebugtrace_p.h>
 
 #include <qscriptvalueiterator.h>
 #include <qdebug.h>
@@ -93,35 +93,35 @@ QDeclarativeScene::QDeclarativeScene()
 
 void QDeclarativeScene::keyPressEvent(QKeyEvent *e)
 {
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::Key);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Key);
 
     QGraphicsScene::keyPressEvent(e);
 }
 
 void QDeclarativeScene::keyReleaseEvent(QKeyEvent *e)
 {
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::Key);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Key);
 
     QGraphicsScene::keyReleaseEvent(e);
 }
 
 void QDeclarativeScene::mouseMoveEvent(QGraphicsSceneMouseEvent *e)
 {
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::Mouse);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse);
 
     QGraphicsScene::mouseMoveEvent(e);
 }
 
 void QDeclarativeScene::mousePressEvent(QGraphicsSceneMouseEvent *e)
 {
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::Mouse);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse);
 
     QGraphicsScene::mousePressEvent(e);
 }
 
 void QDeclarativeScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
 {
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::Mouse);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::Mouse);
 
     QGraphicsScene::mouseReleaseEvent(e);
 }
@@ -675,8 +675,8 @@ void QDeclarativeView::paintEvent(QPaintEvent *event)
 {
     Q_D(QDeclarativeView);
 
-    QDeclarativeDebugTiming::addEvent(QDeclarativeDebugTiming::FramePaint);
-    QDeclarativeDebugTiming::startRange(QDeclarativeDebugTiming::Painting);
+    QDeclarativeDebugTrace::addEvent(QDeclarativeDebugTrace::FramePaint);
+    QDeclarativeDebugTrace::startRange(QDeclarativeDebugTrace::Painting);
 
     int time = 0;
     if (frameRateDebug()) 
@@ -684,7 +684,7 @@ void QDeclarativeView::paintEvent(QPaintEvent *event)
 
     QGraphicsView::paintEvent(event);
 
-    QDeclarativeDebugTiming::endRange(QDeclarativeDebugTiming::Painting);
+    QDeclarativeDebugTrace::endRange(QDeclarativeDebugTrace::Painting);
 
     if (frameRateDebug())
         qDebug() << "paintEvent:" << d->frameTimer.elapsed() << "time since last frame:" << time;