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# qgridview.h

This is the verbatim text of the qgridview.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /**********************************************************************
    ** $Id$
    **
    ** Definition of QGridView class
    **
    ** Created: 2001.05.23
    **
    ** Copyright (C) 1992-2001 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the widgets module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QGRIDVIEW_H
    #define QGRIDVIEW_H

    #ifndef QT_H
    #include "qscrollview.h"
    #endif // QT_H

    #ifndef QT_NO_GRIDVIEW

    class QGridViewPrivate;

    class Q_EXPORT QGridView : public QScrollView
    {
        Q_OBJECT
        Q_PROPERTY( int numRows READ numRows WRITE setNumRows )
        Q_PROPERTY( int numCols READ numCols WRITE setNumCols )
        Q_PROPERTY( int cellWidth READ cellWidth WRITE setCellWidth )
        Q_PROPERTY( int cellHeight READ cellHeight WRITE setCellHeight )
    public:

        QGridView( QWidget *parent=0, const char *name=0, WFlags f=0 );
       ~QGridView();

        int numRows() const;
        virtual void setNumRows( int );
        int numCols() const;
        virtual void setNumCols( int );

        int cellWidth() const;
        virtual void setCellWidth( int );
        int cellHeight() const;
        virtual void setCellHeight( int );

        QRect cellRect() const;
        QRect cellGeometry( int row, int column );
        QSize gridSize() const;

        int rowAt( int y ) const;
        int columnAt( int x ) const;

        void repaintCell( int row, int column, bool erase=TRUE );
        void updateCell( int row, int column );
        void ensureCellVisible( int row, int column );

    protected:
        virtual void paintCell( QPainter *, int row, int col ) = 0;
        virtual void paintEmptyArea( QPainter *p, int cx, int cy, int cw, int ch );

        void drawContents( QPainter *p, int cx, int cy, int cw, int ch );

        virtual void dimensionChange( int, int );

    private:
        void drawContents( QPainter* );
        void updateGrid();

        int nrows;
        int ncols;
        int cellw;
        int cellh;
        QGridViewPrivate* d;

    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QGridView( const QGridView & );
        QGridView &operator=( const QGridView & );
    #endif
    };

    inline int QGridView::cellWidth() const
    { return cellw; }

    inline int QGridView::cellHeight() const
    { return cellh; }

    inline int QGridView::rowAt( int y ) const
    { return y / cellh; }

    inline int QGridView::columnAt( int x ) const
    { return x / cellw; }

    inline int QGridView::numRows() const
    { return nrows; }

    inline int QGridView::numCols() const
    {return ncols; }

    inline QRect QGridView::cellRect() const
    { return QRect( 0, 0, cellw, cellh ); }

    inline QSize QGridView::gridSize() const
    { return QSize( ncols * cellw, nrows * cellh ); }

    #endif // QT_NO_GRIDVIEW

    #endif // QTABLEVIEW_H