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

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

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

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

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** 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.

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** 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

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**

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

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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 QGRIDLAYOUT_H

#define QGRIDLAYOUT_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 QGridLayoutPrivate;

class Q_GUI_EXPORT QGridLayout : public QLayout

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QGridLayout)

    QDOC_PROPERTY(int horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)

    QDOC_PROPERTY(int verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)

public:

    explicit QGridLayout(QWidget *parent);

    QGridLayout();

#ifdef QT3_SUPPORT

    QT3_SUPPORT_CONSTRUCTOR QGridLayout(QWidget *parent, int nRows , int nCols = 1, int border = 0,

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

    QT3_SUPPORT_CONSTRUCTOR QGridLayout(int nRows , int nCols = 1, int spacing = -1, const char *name = 0);

    QT3_SUPPORT_CONSTRUCTOR QGridLayout(QLayout *parentLayout, int nRows = 1, int nCols = 1, int spacing = -1,

                                      const char *name = 0);

#endif

    ~QGridLayout();

    QSize sizeHint() const;

    QSize minimumSize() const;

    QSize maximumSize() const;

    void setHorizontalSpacing(int spacing);

    int horizontalSpacing() const;

    void setVerticalSpacing(int spacing);

    int verticalSpacing() const;

    void setSpacing(int spacing);

    int spacing() const;

    void setRowStretch(int row, int stretch);

    void setColumnStretch(int column, int stretch);

    int rowStretch(int row) const;

    int columnStretch(int column) const;

    void setRowMinimumHeight(int row, int minSize);

    void setColumnMinimumWidth(int column, int minSize);

    int rowMinimumHeight(int row) const;

    int columnMinimumWidth(int column) const;

    int columnCount() const;

    int rowCount() const;

    QRect cellRect(int row, int column) const;

#ifdef QT3_SUPPORT

    inline QT3_SUPPORT QRect cellGeometry(int row, int column) const {return cellRect(row, column);}

#endif

    bool hasHeightForWidth() const;

    int heightForWidth(int) const;

    int minimumHeightForWidth(int) const;

    Qt::Orientations expandingDirections() const;

    void invalidate();

    inline void addWidget(QWidget *w) { QLayout::addWidget(w); }

    void addWidget(QWidget *, int row, int column, Qt::Alignment = 0);

    void addWidget(QWidget *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = 0);

    void addLayout(QLayout *, int row, int column, Qt::Alignment = 0);

    void addLayout(QLayout *, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = 0);

    void setOriginCorner(Qt::Corner);

    Qt::Corner originCorner() const;

#ifdef QT3_SUPPORT

    inline QT3_SUPPORT void setOrigin(Qt::Corner corner) { setOriginCorner(corner); }

    inline QT3_SUPPORT Qt::Corner origin() const { return originCorner(); }

#endif

    QLayoutItem *itemAt(int index) const;

    QLayoutItem *itemAtPosition(int row, int column) const;

    QLayoutItem *takeAt(int index);

    int count() const;

    void setGeometry(const QRect&);

    void addItem(QLayoutItem *item, int row, int column, int rowSpan = 1, int columnSpan = 1, Qt::Alignment = 0);

    void setDefaultPositioning(int n, Qt::Orientation orient);

    void getItemPosition(int idx, int *row, int *column, int *rowSpan, int *columnSpan);

protected:

#ifdef QT3_SUPPORT

    QT3_SUPPORT bool findWidget(QWidget* w, int *r, int *c);

#endif

    void addItem(QLayoutItem *);

private:

    Q_DISABLE_COPY(QGridLayout)

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT void expand(int rows, int cols);

    inline QT3_SUPPORT void addRowSpacing(int row, int minsize) { addItem(new QSpacerItem(0,minsize), row, 0); }

    inline QT3_SUPPORT void addColSpacing(int col, int minsize) { addItem(new QSpacerItem(minsize,0), 0, col); }

    inline QT3_SUPPORT void addMultiCellWidget(QWidget *w, int fromRow, int toRow, int fromCol, int toCol, Qt::Alignment _align = 0)

        { addWidget(w, fromRow, fromCol, (toRow < 0) ? -1 : toRow - fromRow + 1, (toCol < 0) ? -1 : toCol - fromCol + 1, _align); }

    inline QT3_SUPPORT void addMultiCell(QLayoutItem *l, int fromRow, int toRow, int fromCol, int toCol, Qt::Alignment _align = 0)

        { addItem(l, fromRow, fromCol, (toRow < 0) ? -1 : toRow - fromRow + 1, (toCol < 0) ? -1 : toCol - fromCol + 1, _align); }

    inline QT3_SUPPORT void addMultiCellLayout(QLayout *layout, int fromRow, int toRow, int fromCol, int toCol, Qt::Alignment _align = 0)

        { addLayout(layout, fromRow, fromCol, (toRow < 0) ? -1 : toRow - fromRow + 1, (toCol < 0) ? -1 : toCol - fromCol + 1, _align); }

    inline QT3_SUPPORT int numRows() const { return rowCount(); }

    inline QT3_SUPPORT int numCols() const { return columnCount(); }

    inline QT3_SUPPORT void setColStretch(int col, int stretch) {setColumnStretch(col, stretch); }

    inline QT3_SUPPORT int colStretch(int col) const {return columnStretch(col); }

    inline QT3_SUPPORT void setColSpacing(int col, int minSize) { setColumnMinimumWidth(col, minSize); }

    inline QT3_SUPPORT int colSpacing(int col) const { return columnMinimumWidth(col); }

    inline QT3_SUPPORT void setRowSpacing(int row, int minSize) {setRowMinimumHeight(row, minSize); }

    inline QT3_SUPPORT int rowSpacing(int row) const {return rowMinimumHeight(row); }

#endif

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QGRIDLAYOUT_H