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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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

**

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

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** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** 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

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

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

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

**

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

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** $QT_END_LICENSE$

**

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

#ifndef QBOXLAYOUT_H

#define QBOXLAYOUT_H

#include <QtGui/qlayout.h>

#ifdef QT_INCLUDE_COMPAT

#include <QtGui/qwidget.h>

#endif

#include <limits.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QBoxLayoutPrivate;

class Q_GUI_EXPORT QBoxLayout : public QLayout

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QBoxLayout)

public:

    enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,

                     Down = TopToBottom, Up = BottomToTop };

    explicit QBoxLayout(Direction, QWidget *parent = 0);

#ifdef QT3_SUPPORT

    QT3_SUPPORT_CONSTRUCTOR QBoxLayout(QWidget *parent, Direction, int border = 0, int spacing = -1,

                const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(QLayout *parentLayout, Direction, int spacing = -1,

                const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(Direction, int spacing, const char *name = 0);

#endif

    ~QBoxLayout();

    Direction direction() const;

    void setDirection(Direction);

    void addSpacing(int size);

    void addStretch(int stretch = 0);

    void addSpacerItem(QSpacerItem *spacerItem);

    void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = 0);

    void addLayout(QLayout *layout, int stretch = 0);

    void addStrut(int);

    void addItem(QLayoutItem *);

    void insertSpacing(int index, int size);

    void insertStretch(int index, int stretch = 0);

    void insertSpacerItem(int index, QSpacerItem *spacerItem);

    void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = 0);

    void insertLayout(int index, QLayout *layout, int stretch = 0);

    int spacing() const;

    void setSpacing(int spacing);

    bool setStretchFactor(QWidget *w, int stretch);

    bool setStretchFactor(QLayout *l, int stretch);

    void setStretch(int index, int stretch);

    int stretch(int index) const;

    QSize sizeHint() const;

    QSize minimumSize() const;

    QSize maximumSize() const;

    bool hasHeightForWidth() const;

    int heightForWidth(int) const;

    int minimumHeightForWidth(int) const;

    Qt::Orientations expandingDirections() const;

    void invalidate();

    QLayoutItem *itemAt(int) const;

    QLayoutItem *takeAt(int);

    int count() const;

    void setGeometry(const QRect&);

#ifdef QT3_SUPPORT

    inline QT3_SUPPORT int findWidget(QWidget* w) {return indexOf(w);}

#endif

protected:

    // ### Qt 5: make public

    void insertItem(int index, QLayoutItem *);

private:

    Q_DISABLE_COPY(QBoxLayout)

};

class Q_GUI_EXPORT QHBoxLayout : public QBoxLayout

{

    Q_OBJECT

public:

    QHBoxLayout();

    explicit QHBoxLayout(QWidget *parent);

    ~QHBoxLayout();

#ifdef QT3_SUPPORT

    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QWidget *parent, int border,

                 int spacing = -1, const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QLayout *parentLayout,

                 int spacing = -1, const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(int spacing, const char *name = 0);

#endif

private:

    Q_DISABLE_COPY(QHBoxLayout)

};

class Q_GUI_EXPORT QVBoxLayout : public QBoxLayout

{

    Q_OBJECT

public:

    QVBoxLayout();

    explicit QVBoxLayout(QWidget *parent);

    ~QVBoxLayout();

#ifdef QT3_SUPPORT

    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QWidget *parent, int border,

                 int spacing = -1, const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QLayout *parentLayout,

                 int spacing = -1, const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(int spacing, const char *name = 0);

#endif

private:

    Q_DISABLE_COPY(QVBoxLayout)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QBOXLAYOUT_H