--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h	Wed Aug 18 10:37:55 2010 +0300
@@ -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
+
+