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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtDeclarative module of the Qt Toolkit.

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**     the documentation and/or other materials provided with the

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****************************************************************************/

#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