gridctrl.h

一个完整的数字硬盘录像机系统软件

    //{{AFX_VIRTUAL(CGridCtrl)
    protected:
    virtual void PreSubclassWindow();
    //}}AFX_VIRTUAL
    public:
    virtual void    OnBeginPrinting(CDC *pDC, CPrintInfo *pInfo);
    virtual void    OnPrint(CDC *pDC, CPrintInfo *pInfo);
    virtual void    OnEndPrinting(CDC *pDC, CPrintInfo *pInfo);
    CGridCell*      GetCell(int nRow, int nCol) const;
    BOOL            SetCell(int nRow, int nCol, CGridCell* pCell);
// Implementation
public:
    virtual ~CGridCtrl();

protected:
    BOOL            RegisterWindowClass();
    BOOL            SendMessageToParent(int nRow, int nCol, int nMessage,CString sTxt);
    BOOL            InvalidateCellRect(const CCellID& cell);
    BOOL            InvalidateCellRect(const CCellRange& cellRange);
    void            EraseBkgnd(CDC* pDC);
    BOOL            GetCellRangeRect(const CCellRange& cellRange, LPRECT lpRect) const;
    int             SetMouseMode(int nMode);
    int             GetMouseMode() const;
    CCellID         GetCellFromPt(CPoint point, BOOL bAllowFixedCellCheck = TRUE) const;
    CCellID         GetTopleftNonFixedCell() const;
    CCellRange      GetUnobstructedNonFixedCellRange() const;
    CCellRange      GetVisibleNonFixedCellRange(LPRECT pRect = NULL) const;
    void            ResetSelectedRange();
    void            ResetScrollBars();
    int             GetScrollPos32(int nBar, BOOL bGetTrackPos = FALSE);
    BOOL            SetScrollPos32(int nBar, int nPos, BOOL bRedraw = TRUE);
    BOOL            SortTextItems(int nCol, BOOL bAscending, int low, int high);
    BOOL            SortItems(PFNLVCOMPARE pfnCompare, int nCol, BOOL bAscending, LPARAM data, 
                              int low, int high);
// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CTimeGridCtrl)
	public:
	virtual BOOL PreTranslateMessage(MSG* pMsg);
	//}}AFX_VIRTUAL
protected:
    // Printing    
    virtual void    PrintColumnHeadings(CDC *pDC, CPrintInfo *pInfo);
    virtual void    PrintHeader(CDC *pDC, CPrintInfo *pInfo);
    virtual void    PrintFooter(CDC *pDC, CPrintInfo *pInfo);
    // Drag n' drop
    virtual CImageList* CreateDragImage(CPoint *pHotSpot);    // no longer necessary
    // Mouse Clicks
    virtual void    OnFixedColumnClick(CCellID& cell);
    virtual void    OnFixedRowClick(CCellID& cell);

    // Editing
    virtual CSize   GetCellExtent(int nRow, int nCol, CDC* pDC);
    // Drawing
    virtual void    OnDraw(CDC* pDC);
    virtual BOOL    DrawFixedCell(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBk=FALSE);
    virtual BOOL    DrawCell(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBk=FALSE);
    // GridCell Creation and Cleanup
    virtual CGridCell* CreateCell(int nRow, int nCol);
    virtual void EmptyCell(CGridCell* pCell, int nRow, int nCol);
// Attributes
public:
	CView*          m_pParentWnd;
	int             m_nHeaderHeight,m_nFootHeight,m_nLeft,m_nRight,m_nTop,
	                m_nBottom,m_nHeaderGap;
	CPoint          m_nLastPoint;
    CToolTipCtrl*   m_pToolTip;
   	CRect           m_rectSearch;
protected:
    // General attributes
    COLORREF        m_crTextColour, m_crTextBkColour, m_crBkColour,
                    m_crFixedTextColour, m_crFixedBkColour, m_crGridColour;
    COLORREF        m_crWindowText, m_crWindowColour, m_cr3DFace,m_crShadow;    
    int             m_nGridLines;
    BOOL            m_bEditable,m_bModified,m_bAllowDragAndDrop,
                    m_bListMode,m_bAllowDraw,m_bEnableSelection,
                    m_bSortOnClick,m_bHandleTabKey,m_bDoubleBuffer,m_bTitleTips;
    // Cell size details
    int             m_nRows,m_nFixedRows,m_nCols,m_nFixedCols,m_nMargin,
                    m_nDefCellWidth, m_nDefCellHeight,m_nVScrollMax, m_nHScrollMax,
					m_MouseMode;
    CUIntArray      m_arRowHeights,m_arColWidths;
    // Fonts and images
    LOGFONT         m_Logfont;
    CFont           m_PrinterFont,m_Font;
    CImageList*     m_pImageList;
    CTypedPtrArray<CObArray, GRID_ROW*> m_RowData;
    CPoint          m_LeftClickDownPoint, m_LastMousePoint;
    CCellID         m_LeftClickDownCell, m_SelectionStartCell,m_idCurrentCell,m_LastDragOverCell;
    int             m_nTimerID,m_nTimerInterval,m_nRowsPerWheelNotch,m_nResizeCaptureRange;
    BOOL            m_bAllowRowResize, m_bAllowColumnResize,m_bMustUninitOLE;
    // Printing information
    CSize           m_CharSize,m_LogicalPageSize,m_PaperSize;
    int             m_nPageHeight,m_bAscending,m_SortColumn;
    CMap<DWORD,DWORD, CCellID, CCellID&> m_SelectedCellMap, m_PrevSelectedCellMap;
protected:
    void            SelectAllCells();
    void            SelectColumns(CCellID currentCell);
    void            SelectRows(CCellID currentCell);
    void            SelectCells(CCellID currentCell);
    void            OnSelecting(const CCellID& currentCell);
    // Generated message map functions
    //{{AFX_MSG(CGridCtrl)
    afx_msg void    OnPaint();
    afx_msg void    OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
    afx_msg void    OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
    afx_msg void    OnSize(UINT nType, int cx, int cy);
    afx_msg void    OnLButtonUp(UINT nFlags, CPoint point);
    afx_msg void    OnLButtonDown(UINT nFlags, CPoint point);
    afx_msg void    OnMouseMove(UINT nFlags, CPoint point);
    afx_msg void    OnTimer(UINT nIDEvent);
    afx_msg UINT    OnGetDlgCode();
    afx_msg void    OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void    OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void    OnLButtonDblClk(UINT nFlags, CPoint point);
    afx_msg BOOL    OnEraseBkgnd(CDC* pDC);
    afx_msg BOOL    OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
    afx_msg void    OnSysColorChange();
    afx_msg void    OnCaptureChanged(CWnd *pWnd);
	//}}AFX_MSG
#if _MFC_VER >= 0x0421
    afx_msg void    OnSettingChange(UINT uFlags, LPCTSTR lpszSection);
    afx_msg BOOL    OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
#endif
    afx_msg LRESULT OnSetFont(WPARAM hFont, LPARAM lParam);
    afx_msg LRESULT OnGetFont(WPARAM hFont, LPARAM lParam);
	afx_msg BOOL OnToolTipNotify(UINT id, NMHDR *pNMH, LRESULT *pResult); 
    DECLARE_MESSAGE_MAP()

    enum eMouseModes { MOUSE_NOTHING, MOUSE_SELECT_ALL, MOUSE_SELECT_COL, MOUSE_SELECT_ROW,
                       MOUSE_SELECT_CELLS, MOUSE_SCROLLING_CELLS,
                       MOUSE_OVER_ROW_DIVIDE, MOUSE_SIZING_ROW, 
                       MOUSE_OVER_COL_DIVIDE, MOUSE_SIZING_COL,
                       MOUSE_PREPARE_EDIT, MOUSE_PREPARE_DRAG, MOUSE_DRAGGING};
};

inline CGridCell* CGridCtrl::GetCell(int nRow, int nCol) const
{
    if (nRow < 0 || nRow >= m_nRows || nCol < 0 || nCol >= m_nCols) return NULL;

    GRID_ROW* pRow = m_RowData[nRow];
    if (!pRow) return NULL;
    return pRow->GetAt(nCol);
}

inline BOOL CGridCtrl::SetCell(int nRow, int nCol, CGridCell* pCell)
{
    if (nRow < 0 || nRow >= m_nRows || nCol < 0 || nCol >= m_nCols) return FALSE;

    GRID_ROW* pRow = m_RowData[nRow];
    if (!pRow) return FALSE;

    pRow->SetAt(nCol, pCell);
    return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
#endif