/////////////////////////////////////////////////////////////////////////////
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// GridCellBase.h : header file
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//
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// MFC Grid Control - Grid cell base class header file
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//
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// Written by Chris Maunder <chris@codeproject.com>
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// Copyright (c) 1998-2005. All Rights Reserved.
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//
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// This code may be used in compiled form in any way you desire. This
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// file may be redistributed unmodified by any means PROVIDING it is
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// not sold for profit without the authors written consent, and
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// providing that this notice and the authors name and all copyright
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// notices remains intact.
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//
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// An email letting me know how you are using it would be nice as well.
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//
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// This file is provided "as is" with no expressed or implied warranty.
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// The author accepts no liability for any damage/loss of business that
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// this product may cause.
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//
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// For use with CGridCtrl v2.22+
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_)
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#define AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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class CGridCtrl;
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// Cell states
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#define GVIS_FOCUSED 0x0001
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#define GVIS_SELECTED 0x0002
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#define GVIS_DROPHILITED 0x0004
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#define GVIS_READONLY 0x0008
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#define GVIS_FIXED 0x0010
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#define GVIS_FIXEDROW 0x0020
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#define GVIS_FIXEDCOL 0x0040
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#define GVIS_MODIFIED 0x0080
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// Cell data mask
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#define GVIF_TEXT LVIF_TEXT
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#define GVIF_IMAGE LVIF_IMAGE
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#define GVIF_PARAM LVIF_PARAM
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#define GVIF_STATE LVIF_STATE
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#define GVIF_BKCLR (GVIF_STATE<<1)
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#define GVIF_FGCLR (GVIF_STATE<<2)
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#define GVIF_FORMAT (GVIF_STATE<<3)
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#define GVIF_FONT (GVIF_STATE<<4)
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#define GVIF_MARGIN (GVIF_STATE<<5)
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#define GVIF_ALL (GVIF_TEXT|GVIF_IMAGE|GVIF_PARAM|GVIF_STATE|GVIF_BKCLR|GVIF_FGCLR| \
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GVIF_FORMAT|GVIF_FONT|GVIF_MARGIN)
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// Used for Get/SetItem calls.
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typedef struct _GV_ITEM {
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int row,col; // Row and Column of item
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UINT mask; // Mask for use in getting/setting cell data
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UINT nState; // cell state (focus/hilighted etc)
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DWORD nFormat; // Format of cell
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int iImage; // index of the list view items icon
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COLORREF crBkClr; // Background colour (or CLR_DEFAULT)
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COLORREF crFgClr; // Forground colour (or CLR_DEFAULT)
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LPARAM lParam; // 32-bit value to associate with item
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LOGFONT lfFont; // Cell font
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UINT nMargin; // Internal cell margin
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CString strText; // Text in cell
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} GV_ITEM;
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// Each cell contains one of these. Fields "row" and "column" are not stored since we
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// will usually have acces to them in other ways, and they are an extra 8 bytes per
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// cell that is probably unnecessary.
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class CGridCellBase : public CObject
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{
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friend class CGridCtrl;
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DECLARE_DYNAMIC(CGridCellBase)
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// Construction/Destruction
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public:
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CGridCellBase();
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virtual ~CGridCellBase();
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// Attributes
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public:
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virtual void SetText(LPCTSTR /* szText */) = 0 ;
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virtual void SetImage(int /* nImage */) = 0 ;
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virtual void SetData(LPARAM /* lParam */) = 0 ;
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virtual void SetState(DWORD nState) { m_nState = nState; }
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virtual void SetFormat(DWORD /* nFormat */) = 0 ;
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virtual void SetTextClr(COLORREF /* clr */) = 0 ;
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virtual void SetBackClr(COLORREF /* clr */) = 0 ;
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virtual void SetFont(const LOGFONT* /* plf */) = 0 ;
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virtual void SetMargin( UINT /* nMargin */) = 0 ;
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virtual void SetGrid(CGridCtrl* /* pGrid */) = 0 ;
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virtual void SetCoords( int /* nRow */, int /* nCol */) = 0 ;
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virtual LPCTSTR GetText() const = 0 ;
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virtual LPCTSTR GetTipText() const { return GetText(); } // may override TitleTip return
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virtual int GetImage() const = 0 ;
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virtual LPARAM GetData() const = 0 ;
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virtual DWORD GetState() const { return m_nState; }
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virtual DWORD GetFormat() const = 0 ;
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virtual COLORREF GetTextClr() const = 0 ;
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virtual COLORREF GetBackClr() const = 0 ;
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virtual LOGFONT * GetFont() const = 0 ;
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virtual CFont * GetFontObject() const = 0 ;
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virtual CGridCtrl* GetGrid() const = 0 ;
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virtual CWnd * GetEditWnd() const = 0 ;
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virtual UINT GetMargin() const = 0 ;
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virtual CGridCellBase* GetDefaultCell() const;
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virtual BOOL IsDefaultFont() const = 0 ;
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virtual BOOL IsEditing() const = 0 ;
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virtual BOOL IsFocused() const { return (m_nState & GVIS_FOCUSED); }
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virtual BOOL IsFixed() const { return (m_nState & GVIS_FIXED); }
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virtual BOOL IsFixedCol() const { return (m_nState & GVIS_FIXEDCOL); }
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virtual BOOL IsFixedRow() const { return (m_nState & GVIS_FIXEDROW); }
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virtual BOOL IsSelected() const { return (m_nState & GVIS_SELECTED); }
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virtual BOOL IsReadOnly() const { return (m_nState & GVIS_READONLY); }
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virtual BOOL IsModified() const { return (m_nState & GVIS_MODIFIED); }
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virtual BOOL IsDropHighlighted() const { return (m_nState & GVIS_DROPHILITED); }
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// Operators
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public:
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virtual void operator=(const CGridCellBase& cell);
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// Operations
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public:
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virtual void Reset();
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virtual BOOL Draw(CDC* pDC, int nRow, int nCol, CRect rect, BOOL bEraseBkgnd = TRUE);
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virtual BOOL GetTextRect( LPRECT pRect); // i/o: i=dims of cell rect; o=dims of text rect
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virtual BOOL GetTipTextRect( LPRECT pRect) { return GetTextRect( pRect); } // may override for btns, etc.
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virtual CSize GetTextExtent(LPCTSTR str, CDC* pDC = NULL);
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virtual CSize GetCellExtent(CDC* pDC);
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// Editing
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virtual BOOL Edit( int /* nRow */, int /* nCol */, CRect /* rect */, CPoint /* point */,
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UINT /* nID */, UINT /* nChar */) { ASSERT( FALSE); return FALSE;}
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virtual BOOL ValidateEdit(LPCTSTR str);
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virtual void EndEdit() {}
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// EFW - Added to print cells properly
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virtual BOOL PrintCell(CDC* pDC, int nRow, int nCol, CRect rect);
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// add additional protected grid members required of cells
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LRESULT SendMessageToParent(int nRow, int nCol, int nMessage);
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protected:
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virtual void OnEndEdit();
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virtual void OnMouseEnter();
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virtual void OnMouseOver();
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virtual void OnMouseLeave();
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virtual void OnClick( CPoint PointCellRelative);
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virtual void OnClickDown( CPoint PointCellRelative);
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virtual void OnRClick( CPoint PointCellRelative);
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virtual void OnDblClick( CPoint PointCellRelative);
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virtual BOOL OnSetCursor();
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protected:
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DWORD m_nState; // Cell state (selected/focus etc)
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};
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//{{AFX_INSERT_LOCATION}}
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// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
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#endif // !defined(AFX_GRIDCELLBASE_H__519FA702_722C_11D1_ABBA_00A0243D1382__INCLUDED_)
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