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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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
+