www.pudn.com > gridctrl_demo225.rar > GridCellBase.h
/////////////////////////////////////////////////////////////////////////////
// GridCellBase.h : header file
//
// MFC Grid Control - Grid cell base class header file
//
// Written by Chris Maunder
// Copyright (c) 1998-2002. All Rights Reserved.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is
// not sold for profit without the authors written consent, and
// providing that this notice and the authors name and all copyright
// notices remains intact.
//
// An email letting me know how you are using it would be nice as well.
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability for any damage/loss of business that
// this product may cause.
//
// For use with CGridCtrl v2.22+
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_)
#define AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
class CGridCtrl;
// Cell states
#define GVIS_FOCUSED 0x0001
#define GVIS_SELECTED 0x0002
#define GVIS_DROPHILITED 0x0004
#define GVIS_READONLY 0x0008
#define GVIS_FIXED 0x0010
#define GVIS_FIXEDROW 0x0020
#define GVIS_FIXEDCOL 0x0040
#define GVIS_MODIFIED 0x0080
// Cell data mask
#define GVIF_TEXT LVIF_TEXT
#define GVIF_IMAGE LVIF_IMAGE
#define GVIF_PARAM LVIF_PARAM
#define GVIF_STATE LVIF_STATE
#define GVIF_BKCLR (GVIF_STATE<<1)
#define GVIF_FGCLR (GVIF_STATE<<2)
#define GVIF_FORMAT (GVIF_STATE<<3)
#define GVIF_FONT (GVIF_STATE<<4)
#define GVIF_MARGIN (GVIF_STATE<<5)
#define GVIF_ALL (GVIF_TEXT|GVIF_IMAGE|GVIF_PARAM|GVIF_STATE|GVIF_BKCLR|GVIF_FGCLR| \
GVIF_FORMAT|GVIF_FONT|GVIF_MARGIN)
// Used for Get/SetItem calls.
typedef struct _GV_ITEM {
int row,col; // Row and Column of item
UINT mask; // Mask for use in getting/setting cell data
UINT nState; // cell state (focus/hilighted etc)
DWORD nFormat; // Format of cell
int iImage; // index of the list view item’s icon
COLORREF crBkClr; // Background colour (or CLR_DEFAULT)
COLORREF crFgClr; // Forground colour (or CLR_DEFAULT)
LPARAM lParam; // 32-bit value to associate with item
LOGFONT lfFont; // Cell font
UINT nMargin; // Internal cell margin
CString strText; // Text in cell
} GV_ITEM;
// Each cell contains one of these. Fields "row" and "column" are not stored since we
// will usually have acces to them in other ways, and they are an extra 8 bytes per
// cell that is probably unnecessary.
class CGridCellBase : public CObject
{
friend class CGridCtrl;
DECLARE_DYNAMIC(CGridCellBase)
// Construction/Destruction
public:
CGridCellBase();
virtual ~CGridCellBase();
// Attributes
public:
virtual void SetText(LPCTSTR /* szText */) = 0 ;
virtual void SetImage(int /* nImage */) = 0 ;
virtual void SetData(LPARAM /* lParam */) = 0 ;
virtual void SetState(DWORD nState) { m_nState = nState; }
virtual void SetFormat(DWORD /* nFormat */) = 0 ;
virtual void SetTextClr(COLORREF /* clr */) = 0 ;
virtual void SetBackClr(COLORREF /* clr */) = 0 ;
virtual void SetFont(const LOGFONT* /* plf */) = 0 ;
virtual void SetMargin( UINT /* nMargin */) = 0 ;
virtual void SetGrid(CGridCtrl* /* pGrid */) = 0 ;
virtual void SetCoords( int /* nRow */, int /* nCol */) = 0 ;
virtual LPCTSTR GetText() const = 0 ;
virtual LPCTSTR GetTipText() const { return GetText(); } // may override TitleTip return
virtual int GetImage() const = 0 ;
virtual LPARAM GetData() const = 0 ;
virtual DWORD GetState() const { return m_nState; }
virtual DWORD GetFormat() const = 0 ;
virtual COLORREF GetTextClr() const = 0 ;
virtual COLORREF GetBackClr() const = 0 ;
virtual LOGFONT * GetFont() const = 0 ;
virtual CFont * GetFontObject() const = 0 ;
virtual CGridCtrl* GetGrid() const = 0 ;
virtual CWnd * GetEditWnd() const = 0 ;
virtual UINT GetMargin() const = 0 ;
virtual CGridCellBase* GetDefaultCell() const;
virtual BOOL IsDefaultFont() const = 0 ;
virtual BOOL IsEditing() const = 0 ;
virtual BOOL IsFocused() const { return (m_nState & GVIS_FOCUSED); }
virtual BOOL IsFixed() const { return (m_nState & GVIS_FIXED); }
virtual BOOL IsFixedCol() const { return (m_nState & GVIS_FIXEDCOL); }
virtual BOOL IsFixedRow() const { return (m_nState & GVIS_FIXEDROW); }
virtual BOOL IsSelected() const { return (m_nState & GVIS_SELECTED); }
virtual BOOL IsReadOnly() const { return (m_nState & GVIS_READONLY); }
virtual BOOL IsModified() const { return (m_nState & GVIS_MODIFIED); }
virtual BOOL IsDropHighlighted() const { return (m_nState & GVIS_DROPHILITED); }
// Operators
public:
virtual void operator=(const CGridCellBase& cell);
// Operations
public:
virtual void Reset();
virtual BOOL Draw(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBkgnd = TRUE);
virtual BOOL GetTextRect( LPRECT pRect); // i/o: i=dims of cell rect; o=dims of text rect
virtual BOOL GetTipTextRect( LPRECT pRect) { return GetTextRect( pRect); } // may override for btns, etc.
virtual CSize GetTextExtent(LPCTSTR str, CDC* pDC = NULL);
virtual CSize GetCellExtent(CDC* pDC);
// Editing
virtual BOOL Edit( int /* nRow */, int /* nCol */, CRect /* rect */, CPoint /* point */,
UINT /* nID */, UINT /* nChar */) { ASSERT( FALSE); return FALSE;}
virtual BOOL ValidateEdit(LPCTSTR str);
virtual void EndEdit() {}
// EFW - Added to print cells properly
virtual BOOL PrintCell(CDC* pDC, int nRow, int nCol, CRect rect);
// add additional protected grid members required of cells
LRESULT SendMessageToParent(int nRow, int nCol, int nMessage);
protected:
virtual void OnEndEdit();
virtual void OnMouseEnter();
virtual void OnMouseOver();
virtual void OnMouseLeave();
virtual void OnClick( CPoint PointCellRelative);
virtual void OnClickDown( CPoint PointCellRelative);
virtual void OnRClick( CPoint PointCellRelative);
virtual void OnDblClick( CPoint PointCellRelative);
virtual BOOL OnSetCursor();
protected:
DWORD m_nState; // Cell state (selected/focus etc)
};
//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_)