grid.h

浙江大学的悟空嵌入式系统模拟器

        m_extraWidth = extraWidth;
        m_extraHeight = extraHeight;

        CalcDimensions();
    }

    // Accessors for component windows
    wxWindow* GetGridWindow()            { return (wxWindow*)m_gridWin; }
    wxWindow* GetGridRowLabelWindow()    { return (wxWindow*)m_rowLabelWin; }
    wxWindow* GetGridColLabelWindow()    { return (wxWindow*)m_colLabelWin; }
    wxWindow* GetGridCornerLabelWindow() { return (wxWindow*)m_cornerLabelWin; }



    // ------ For compatibility with previous wxGrid only...
    //
    //  ************************************************
    //  **  Don't use these in new code because they  **
    //  **  are liable to disappear in a future       **
    //  **  revision                                  **
    //  ************************************************
    //

    wxGrid( wxWindow *parent,
            int x, int y, int w = -1, int h = -1,
            long style = wxWANTS_CHARS,
            const wxString& name = wxPanelNameStr )
        : wxScrolledWindow( parent, -1, wxPoint(x,y), wxSize(w,h),
                            (style|wxWANTS_CHARS), name )
        {
            Create();
        }

    void SetCellValue( const wxString& val, int row, int col )
        { SetCellValue( row, col, val ); }

    void UpdateDimensions()
        { CalcDimensions(); }

    int GetRows() { return GetNumberRows(); }
    int GetCols() { return GetNumberCols(); }
    int GetCursorRow() { return GetGridCursorRow(); }
    int GetCursorColumn() { return GetGridCursorCol(); }

    int GetScrollPosX() { return 0; }
    int GetScrollPosY() { return 0; }

    void SetScrollX( int WXUNUSED(x) ) { }
    void SetScrollY( int WXUNUSED(y) ) { }

    void SetColumnWidth( int col, int width )
        { SetColSize( col, width ); }

    int GetColumnWidth( int col )
        { return GetColSize( col ); }

    void SetRowHeight( int row, int height )
        { SetRowSize( row, height ); }

    // GetRowHeight() is below

    int GetViewHeight() // returned num whole rows visible
        { return 0; }

    int GetViewWidth() // returned num whole cols visible
        { return 0; }

    void SetLabelSize( int orientation, int sz )
        {
            if ( orientation == wxHORIZONTAL )
                SetColLabelSize( sz );
            else
                SetRowLabelSize( sz );
        }

    int GetLabelSize( int orientation )
        {
            if ( orientation == wxHORIZONTAL )
                return GetColLabelSize();
            else
                return GetRowLabelSize();
        }

    void SetLabelAlignment( int orientation, int align )
        {
            if ( orientation == wxHORIZONTAL )
                SetColLabelAlignment( align, -1 );
            else
                SetRowLabelAlignment( align, -1 );
        }

    int GetLabelAlignment( int orientation, int WXUNUSED(align) )
        {
            int h, v;
            if ( orientation == wxHORIZONTAL )
            {
                GetColLabelAlignment( &h, &v );
                return h;
            }
            else
            {
                GetRowLabelAlignment( &h, &v );
                return h;
            }
        }

    void SetLabelValue( int orientation, const wxString& val, int pos )
        {
            if ( orientation == wxHORIZONTAL )
                SetColLabelValue( pos, val );
            else
                SetRowLabelValue( pos, val );
        }

    wxString GetLabelValue( int orientation, int pos)
        {
            if ( orientation == wxHORIZONTAL )
                return GetColLabelValue( pos );
            else
                return GetRowLabelValue( pos );
        }

    wxFont GetCellTextFont() const
        { return m_defaultCellAttr->GetFont(); }

    wxFont GetCellTextFont(int WXUNUSED(row), int WXUNUSED(col)) const
        { return m_defaultCellAttr->GetFont(); }

    void SetCellTextFont(const wxFont& fnt)
        { SetDefaultCellFont( fnt ); }

    void SetCellTextFont(const wxFont& fnt, int row, int col)
        { SetCellFont( row, col, fnt ); }

    void SetCellTextColour(const wxColour& val, int row, int col)
        { SetCellTextColour( row, col, val ); }

    void SetCellTextColour(const wxColour& col)
        { SetDefaultCellTextColour( col ); }

    void SetCellBackgroundColour(const wxColour& col)
        { SetDefaultCellBackgroundColour( col ); }

    void SetCellBackgroundColour(const wxColour& colour, int row, int col)
        { SetCellBackgroundColour( row, col, colour ); }

    bool GetEditable() { return IsEditable(); }
    void SetEditable( bool edit = TRUE ) { EnableEditing( edit ); }
    bool GetEditInPlace() { return IsCellEditControlEnabled(); }

    void SetEditInPlace(bool WXUNUSED(edit) = TRUE) { }

    void SetCellAlignment( int align, int row, int col)
    { SetCellAlignment(row, col, align, wxALIGN_CENTER); }
    void SetCellAlignment( int WXUNUSED(align) ) {}
    void SetCellBitmap(wxBitmap *WXUNUSED(bitmap), int WXUNUSED(row), int WXUNUSED(col))
    { }
    void SetDividerPen(const wxPen& WXUNUSED(pen)) { }
    wxPen& GetDividerPen() const;
    void OnActivate(bool WXUNUSED(active)) {}

    // ******** End of compatibility functions **********



    // ------ control IDs
    enum { wxGRID_CELLCTRL = 2000,
           wxGRID_TOPCTRL };

    // ------ control types
    enum { wxGRID_TEXTCTRL = 2100,
           wxGRID_CHECKBOX,
           wxGRID_CHOICE,
           wxGRID_COMBOBOX };

    // overridden wxWindow methods
    virtual void Fit();

protected:
    virtual wxSize DoGetBestSize() const;

    bool m_created;

    wxGridWindow             *m_gridWin;
    wxGridRowLabelWindow     *m_rowLabelWin;
    wxGridColLabelWindow     *m_colLabelWin;
    wxGridCornerLabelWindow  *m_cornerLabelWin;

    wxGridTableBase          *m_table;
    bool                      m_ownTable;

    int m_numRows;
    int m_numCols;

    wxGridCellCoords m_currentCellCoords;

    wxGridCellCoords m_selectingTopLeft;
    wxGridCellCoords m_selectingBottomRight;
    wxGridCellCoords m_selectingKeyboard;
    wxGridSelection  *m_selection;
    wxColour    m_selectionBackground;
    wxColour    m_selectionForeground;

    // NB: *never* access m_row/col arrays directly because they are created
    //     on demand, *always* use accessor functions instead!

    // init the m_rowHeights/Bottoms arrays with default values
    void InitRowHeights();

    int        m_defaultRowHeight;
    wxArrayInt m_rowHeights;
    wxArrayInt m_rowBottoms;

    // init the m_colWidths/Rights arrays
    void InitColWidths();

    int        m_defaultColWidth;
    wxArrayInt m_colWidths;
    wxArrayInt m_colRights;

    // get the col/row coords
    int GetColWidth(int col) const;
    int GetColLeft(int col) const;
    int GetColRight(int col) const;

    // this function must be public for compatibility...
public:
    int GetRowHeight(int row) const;
protected:

    int GetRowTop(int row) const;
    int GetRowBottom(int row) const;

    int m_rowLabelWidth;
    int m_colLabelHeight;

    // the size of the margin left to the right and bottom of the cell area
    int m_extraWidth,
        m_extraHeight;

    wxColour   m_labelBackgroundColour;
    wxColour   m_labelTextColour;
    wxFont     m_labelFont;

    int        m_rowLabelHorizAlign;
    int        m_rowLabelVertAlign;
    int        m_colLabelHorizAlign;
    int        m_colLabelVertAlign;

    bool       m_defaultRowLabelValues;
    bool       m_defaultColLabelValues;

    wxColour   m_gridLineColour;
    bool       m_gridLinesEnabled;
    wxColour   m_cellHighlightColour;
    int        m_cellHighlightPenWidth;
    int        m_cellHighlightROPenWidth;


    // common part of AutoSizeColumn/Row() and GetBestSize()
    int SetOrCalcColumnSizes(bool calcOnly, bool setAsMin = TRUE);
    int SetOrCalcRowSizes(bool calcOnly, bool setAsMin = TRUE);

    // common part of AutoSizeColumn/Row()
    void AutoSizeColOrRow(int n, bool setAsMin, bool column /* or row? */);

    // if a column has a minimal width, it will be the value for it in this
    // hash table
    wxHashTableLong m_colMinWidths,
                    m_rowMinHeights;

    // get the minimal width of the given column/row
    int GetColMinimalWidth(int col) const;
    int GetRowMinimalHeight(int col) const;

    // do we have some place to store attributes in?
    bool CanHaveAttributes();

    // returns the attribute we may modify in place: a new one if this cell
    // doesn't have any yet or the existing one if it does
    //
    // DecRef() must be called on the returned pointer, as usual
    wxGridCellAttr *GetOrCreateCellAttr(int row, int col) const;

    // cell attribute cache (currently we only cache 1, may be will do
    // more/better later)
    struct CachedAttr
    {
        int             row, col;
        wxGridCellAttr *attr;
    } m_attrCache;

    // invalidates the attribute cache
    void ClearAttrCache();

    // adds an attribute to cache
    void CacheAttr(int row, int col, wxGridCellAttr *attr) const;

    // looks for an attr in cache, returns TRUE if found
    bool LookupAttr(int row, int col, wxGridCellAttr **attr) const;

    // looks for the attr in cache, if not found asks the table and caches the
    // result
    wxGridCellAttr *GetCellAttr(int row, int col) const;
    wxGridCellAttr *GetCellAttr(const wxGridCellCoords& coords )
        { return GetCellAttr( coords.GetRow(), coords.GetCol() ); }

    // the default cell attr object for cells that don't have their own
    wxGridCellAttr*     m_defaultCellAttr;


    bool m_inOnKeyDown;
    int  m_batchCount;


    wxGridTypeRegistry*    m_typeRegistry;

    enum CursorMode
    {
        WXGRID_CURSOR_SELECT_CELL,
        WXGRID_CURSOR_RESIZE_ROW,
        WXGRID_CURSOR_RESIZE_COL,
        WXGRID_CURSOR_SELECT_ROW,
        WXGRID_CURSOR_SELECT_COL
    };

    // this method not only sets m_cursorMode but also sets the correct cursor
    // for the given mode and, if captureMouse is not FALSE releases the mouse
    // if it was captured and captures it if it must be captured
    //
    // for this to work, you should always use it and not set m_cursorMode
    // directly!
    void ChangeCursorMode(CursorMode mode,
                          wxWindow *win = (wxWindow *)NULL,
                          bool captureMouse = TRUE);

    wxWindow *m_winCapture;     // the window which captured the mouse
    CursorMode m_cursorMode;

    bool    m_canDragRowSize;
    bool    m_canDragColSize;
    bool    m_canDragGridSize;
    int     m_dragLastPos;
    int     m_dragRowOrCol;
    bool    m_isDragging;
    wxPoint m_startDragPos;

    bool    m_waitForSlowClick;

    wxGridCellCoords m_selectionStart;

    wxCursor m_rowResizeCursor;
    wxCursor m_colResizeCursor;

    bool       m_editable;              // applies to whole grid
    bool       m_cellEditCtrlEnabled;   // is in-place edit currently shown?


    void Create();
    void Init();
    void CalcDimensions();
    void CalcWindowSizes();
    bool Redimension( wxGridTableMessage& );


    int SendEvent( const wxEventType, int row, int col, wxMouseEvent& );
    int SendEvent( c