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

**

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

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

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

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**

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** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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** If you have questions regarding the use of this file, please contact

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** $QT_END_LICENSE$

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

#ifndef QDECLARATIVEANCHORS_H

#define QDECLARATIVEANCHORS_H

#include "qdeclarativeitem.h"

#include <qdeclarative.h>

#include <QtCore/QObject>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeAnchorsPrivate;

class QDeclarativeAnchorLine;

class Q_DECLARATIVE_EXPORT QDeclarativeAnchors : public QObject

{

    Q_OBJECT

    Q_PROPERTY(QDeclarativeAnchorLine left READ left WRITE setLeft RESET resetLeft NOTIFY leftChanged)

    Q_PROPERTY(QDeclarativeAnchorLine right READ right WRITE setRight RESET resetRight NOTIFY rightChanged)

    Q_PROPERTY(QDeclarativeAnchorLine horizontalCenter READ horizontalCenter WRITE setHorizontalCenter RESET resetHorizontalCenter NOTIFY horizontalCenterChanged)

    Q_PROPERTY(QDeclarativeAnchorLine top READ top WRITE setTop RESET resetTop NOTIFY topChanged)

    Q_PROPERTY(QDeclarativeAnchorLine bottom READ bottom WRITE setBottom RESET resetBottom NOTIFY bottomChanged)

    Q_PROPERTY(QDeclarativeAnchorLine verticalCenter READ verticalCenter WRITE setVerticalCenter RESET resetVerticalCenter NOTIFY verticalCenterChanged)

    Q_PROPERTY(QDeclarativeAnchorLine baseline READ baseline WRITE setBaseline RESET resetBaseline NOTIFY baselineChanged)

    Q_PROPERTY(qreal margins READ margins WRITE setMargins NOTIFY marginsChanged)

    Q_PROPERTY(qreal leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged)

    Q_PROPERTY(qreal rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged)

    Q_PROPERTY(qreal topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged)

    Q_PROPERTY(qreal bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged)

    Q_PROPERTY(QGraphicsObject *fill READ fill WRITE setFill RESET resetFill NOTIFY fillChanged)

    Q_PROPERTY(QGraphicsObject *centerIn READ centerIn WRITE setCenterIn RESET resetCenterIn NOTIFY centerInChanged)

public:

    QDeclarativeAnchors(QObject *parent=0);

    QDeclarativeAnchors(QGraphicsObject *item, QObject *parent=0);

    virtual ~QDeclarativeAnchors();

    enum Anchor {

        LeftAnchor = 0x01,

        RightAnchor = 0x02,

        TopAnchor = 0x04,

        BottomAnchor = 0x08,

        HCenterAnchor = 0x10,

        VCenterAnchor = 0x20,

        BaselineAnchor = 0x40,

        Horizontal_Mask = LeftAnchor | RightAnchor | HCenterAnchor,

        Vertical_Mask = TopAnchor | BottomAnchor | VCenterAnchor | BaselineAnchor

    };

    Q_DECLARE_FLAGS(Anchors, Anchor)

    QDeclarativeAnchorLine left() const;

    void setLeft(const QDeclarativeAnchorLine &edge);

    void resetLeft();

    QDeclarativeAnchorLine right() const;

    void setRight(const QDeclarativeAnchorLine &edge);

    void resetRight();

    QDeclarativeAnchorLine horizontalCenter() const;

    void setHorizontalCenter(const QDeclarativeAnchorLine &edge);

    void resetHorizontalCenter();

    QDeclarativeAnchorLine top() const;

    void setTop(const QDeclarativeAnchorLine &edge);

    void resetTop();

    QDeclarativeAnchorLine bottom() const;

    void setBottom(const QDeclarativeAnchorLine &edge);

    void resetBottom();

    QDeclarativeAnchorLine verticalCenter() const;

    void setVerticalCenter(const QDeclarativeAnchorLine &edge);

    void resetVerticalCenter();

    QDeclarativeAnchorLine baseline() const;

    void setBaseline(const QDeclarativeAnchorLine &edge);

    void resetBaseline();

    qreal leftMargin() const;

    void setLeftMargin(qreal);

    qreal rightMargin() const;

    void setRightMargin(qreal);

    qreal horizontalCenterOffset() const;

    void setHorizontalCenterOffset(qreal);

    qreal topMargin() const;

    void setTopMargin(qreal);

    qreal bottomMargin() const;

    void setBottomMargin(qreal);

    qreal margins() const;

    void setMargins(qreal);

    qreal verticalCenterOffset() const;

    void setVerticalCenterOffset(qreal);

    qreal baselineOffset() const;

    void setBaselineOffset(qreal);

    QGraphicsObject *fill() const;

    void setFill(QGraphicsObject *);

    void resetFill();

    QGraphicsObject *centerIn() const;

    void setCenterIn(QGraphicsObject *);

    void resetCenterIn();

    Anchors usedAnchors() const;

    void classBegin();

    void componentComplete();

Q_SIGNALS:

    void leftChanged();

    void rightChanged();

    void topChanged();

    void bottomChanged();

    void verticalCenterChanged();

    void horizontalCenterChanged();

    void baselineChanged();

    void fillChanged();

    void centerInChanged();

    void leftMarginChanged();

    void rightMarginChanged();

    void topMarginChanged();

    void bottomMarginChanged();

    void marginsChanged();

    void verticalCenterOffsetChanged();

    void horizontalCenterOffsetChanged();

    void baselineOffsetChanged();

private:

    friend class QDeclarativeItem;

    friend class QDeclarativeGraphicsWidget;

    Q_DISABLE_COPY(QDeclarativeAnchors)

    Q_DECLARE_PRIVATE(QDeclarativeAnchors)

    Q_PRIVATE_SLOT(d_func(), void _q_widgetGeometryChanged())

    Q_PRIVATE_SLOT(d_func(), void _q_widgetDestroyed(QObject *obj))

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativeAnchors::Anchors)

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativeAnchors)

QT_END_HEADER

#endif