Qt Toolkit - qtableview.h include file

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# qtableview.h

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

    /**********************************************************************
    ** $Id: qt/src/widgets/qtableview.h   2.3.0   edited 2001-01-26 $
    **
    ** Definition of QTableView class
    **
    ** Created : 941115
    **
    ** Copyright (C) 1992-2000 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 QTABLEVIEW_H
    #define QTABLEVIEW_H

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

    #ifndef QT_NO_TABLEVIEW

    class QScrollBar;
    class QCornerSquare;

    class Q_EXPORT QTableView : public QFrame
    {
        Q_OBJECT
    public:
        virtual void setBackgroundColor( const QColor & );
        virtual void setPalette( const QPalette & );
        void        show();

        void        repaint( bool erase=TRUE );
        void        repaint( int x, int y, int w, int h, bool erase=TRUE );
        void        repaint( const QRect &, bool erase=TRUE );

    protected:
        QTableView( QWidget *parent=0, const char *name=0, WFlags f=0 );
       ~QTableView();

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

        int         topCell()       const;
        virtual void setTopCell( int row );
        int         leftCell()      const;
        virtual void setLeftCell( int col );
        virtual void setTopLeftCell( int row, int col );

        int         xOffset()       const;
        virtual void setXOffset( int );
        int         yOffset()       const;
        virtual void setYOffset( int );
        virtual void setOffset( int x, int y, bool updateScrBars = TRUE );

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

        virtual int totalWidth();
        virtual int totalHeight();

        uint        tableFlags()    const;
        bool        testTableFlags( uint f ) const;
        virtual void setTableFlags( uint f );
        void        clearTableFlags( uint f = ~0 );

        bool        autoUpdate()     const;
        virtual void setAutoUpdate( bool );

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

        QRect       cellUpdateRect() const;
        QRect       viewRect()       const;

        int         lastRowVisible() const;
        int         lastColVisible() const;

        bool        rowIsVisible( int row ) const;
        bool        colIsVisible( int col ) const;

        QScrollBar *verticalScrollBar() const;
        QScrollBar *horizontalScrollBar() const;

    private slots:
        void        horSbValue( int );
        void        horSbSliding( int );
        void        horSbSlidingDone();
        void        verSbValue( int );
        void        verSbSliding( int );
        void        verSbSlidingDone();

    protected:
        virtual void paintCell( QPainter *, int row, int col ) = 0;
        virtual void setupPainter( QPainter * );

        void        paintEvent( QPaintEvent * );
        void        resizeEvent( QResizeEvent * );

        int         findRow( int yPos ) const;
        int         findCol( int xPos ) const;

        bool        rowYPos( int row, int *yPos ) const;
        bool        colXPos( int col, int *xPos ) const;

        int         maxXOffset();
        int         maxYOffset();
        int         maxColOffset();
        int         maxRowOffset();

        int         minViewX()      const;
        int         minViewY()      const;
        int         maxViewX()      const;
        int         maxViewY()      const;
        int         viewWidth()     const;
        int         viewHeight()    const;

        void        scroll( int xPixels, int yPixels );
        void        updateScrollBars();
        void        updateTableSize();

    private:
        void        coverCornerSquare( bool );
        void        snapToGrid( bool horizontal, bool vertical );
        virtual void        setHorScrollBar( bool on, bool update = TRUE );
        virtual void        setVerScrollBar( bool on, bool update = TRUE );
        void        updateView();
        int         findRawRow( int yPos, int *cellMaxY, int *cellMinY = 0,
                                bool goOutsideView = FALSE ) const;
        int         findRawCol( int xPos, int *cellMaxX, int *cellMinX = 0,
                                bool goOutsideView = FALSE ) const;
        int         maxColsVisible() const;

        void        updateScrollBars( uint );
        void        updateFrameSize();

        void        doAutoScrollBars();
        void        showOrHideScrollBars();

        int         nRows;
        int         nCols;
        int         xOffs, yOffs;
        int         xCellOffs, yCellOffs;
        short       xCellDelta, yCellDelta;
        short       cellH, cellW;

        uint        eraseInPaint            : 1;
        uint        verSliding              : 1;
        uint        verSnappingOff          : 1;
        uint        horSliding              : 1;
        uint        horSnappingOff          : 1;
        uint        coveringCornerSquare    : 1;
        uint        sbDirty                 : 8;
        uint        inSbUpdate              : 1;

        uint        tFlags;
        QRect       cellUpdateR;

        QScrollBar *vScrollBar;
        QScrollBar *hScrollBar;
        QCornerSquare *cornerSquare;

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

    const uint Tbl_vScrollBar       = 0x00000001;
    const uint Tbl_hScrollBar       = 0x00000002;
    const uint Tbl_autoVScrollBar   = 0x00000004;
    const uint Tbl_autoHScrollBar   = 0x00000008;
    const uint Tbl_autoScrollBars   = 0x0000000C;

    const uint Tbl_clipCellPainting = 0x00000100;
    const uint Tbl_cutCellsV        = 0x00000200;
    const uint Tbl_cutCellsH        = 0x00000400;
    const uint Tbl_cutCells         = 0x00000600;

    const uint Tbl_scrollLastHCell  = 0x00000800;
    const uint Tbl_scrollLastVCell  = 0x00001000;
    const uint Tbl_scrollLastCell   = 0x00001800;

    const uint Tbl_smoothHScrolling = 0x00002000;
    const uint Tbl_smoothVScrolling = 0x00004000;
    const uint Tbl_smoothScrolling  = 0x00006000;

    const uint Tbl_snapToHGrid      = 0x00008000;
    const uint Tbl_snapToVGrid      = 0x00010000;
    const uint Tbl_snapToGrid       = 0x00018000;

    inline int QTableView::numRows() const
    { return nRows; }

    inline int QTableView::numCols() const
    { return nCols; }

    inline int QTableView::topCell() const
    { return yCellOffs; }

    inline int QTableView::leftCell() const
    { return xCellOffs; }

    inline int QTableView::xOffset() const
    { return xOffs; }

    inline int QTableView::yOffset() const
    { return yOffs; }

    inline int QTableView::cellHeight() const
    { return cellH; }

    inline int QTableView::cellWidth() const
    { return cellW; }

    inline uint QTableView::tableFlags() const
    { return tFlags; }

    inline bool QTableView::testTableFlags( uint f ) const
    { return (tFlags & f) != 0; }

    inline QRect QTableView::cellUpdateRect() const
    { return cellUpdateR; }

    inline bool QTableView::autoUpdate() const
    { return isUpdatesEnabled(); }

    inline void QTableView::repaint( bool erase )
    { repaint( 0, 0, width(), height(), erase ); }

    inline void QTableView::repaint( const QRect &r, bool erase )
    { repaint( r.x(), r.y(), r.width(), r.height(), erase ); }

    inline void QTableView::updateScrollBars()
    { updateScrollBars( 0 ); }

    #endif // QT_NO_TABLEVIEW

    #endif // QTABLEVIEW_H