Qt Toolkit - qtableview.h include file

# qtableview.h

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

    /**********************************************************************
    ** $Id: qtableview.h,v 2.11.2.2 1998/08/21 19:13:28 hanord Exp $
    **
    ** Definition of QTableView class
    **
    ** Created : 941115
    **
    ** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
    **
    ** This file is part of Qt Free Edition, version 1.45.
    **
    ** See the file LICENSE included in the distribution for the usage
    ** and distribution terms, or http://www.troll.no/free-license.html.
    **
    ** IMPORTANT NOTE: You may NOT copy this file or any part of it into
    ** your own programs or libraries.
    **
    ** Please see http://www.troll.no/pricing.html for information about
    ** Qt Professional Edition, which is this same library but with a
    ** license which allows creation of commercial/proprietary software.
    **
    *****************************************************************************/

    #ifndef QTABLEVIEW_H
    #define QTABLEVIEW_H

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

    class QScrollBar;
    class CornerSquare;

    class Q_EXPORT QTableView : public QFrame
    {
        Q_OBJECT
    public:
        void        setBackgroundColor( const QColor & );
        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;
        void        setNumRows( int );
        int         numCols()       const;
        void        setNumCols( int );

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

        int         xOffset()       const;
        void        setXOffset( int );
        int         yOffset()       const;
        void        setYOffset( int );
        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;
        void        setCellWidth( int );
        void        setCellHeight( int );

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

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

        bool        autoUpdate()     const;
        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;

        const QScrollBar *verticalScrollBar() const;
        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 );
        void        setHorScrollBar( bool on, bool update = TRUE );
        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        obsoleteUpd             : 1;
        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;
        CornerSquare *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 // QTABLEVIEW_H