A fast and lightweight cell control

/* -------------------------------------------------------------------------
//MyCell Library - MyCell version 1.0
//
// This file is a part of the MyCell Library.
// The use and distribution terms for this software are covered by the
// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
// which can be found in the file CPL.txt at this distribution. By using
// this software in any fashion, you are agreeing to be bound by the terms
// of this license. You must not remove this notice, or any other, from
// this software.
//
// Creator: yanxueming
// Email: xueming.yan@gmail.com
// -----------------------------------------------------------------------*/
#pragma once
#include "base.h"

#define OCN_BASE			NM_FIRST
#define OCN_LBUTTONDBLCLK	(OCN_BASE+WM_LBUTTONDBLCLK)
#define OCN_RBUTTONDOWN	(OCN_BASE+WM_RBUTTONDOWN)
#define OCN_LBUTTONDOWN	(OCN_BASE+WM_LBUTTONDOWN)
#define OCN_MOUSEMOVE			(OCN_BASE+WM_MOUSEMOVE)
#define OCN_LBUTTONUP			(OCN_BASE+WM_LBUTTONUP)
#define OCN_RBUTTONUP			(OCN_BASE+WM_RBUTTONUP)
#define OCN_KEYDOWN				(OCN_BASE+WM_KEYDOWN)
#define OCN_CHAR						(OCN_BASE+WM_CHAR)

#define OCN_GETCELLTEXT		(NM_FIRST+10)
#define OCN_SETCELLTEXT		(NM_FIRST+13)
#define OCN_DRAWCELL		(NM_FIRST+17)
#define OCN_ROWSINSERTFRONT	(NM_FIRST+19)
#define OCN_DELETEROWS		(NM_FIRST+20)
#define OCN_COLSINSERTFRONT	(NM_FIRST+21)
#define OCN_DELETECOLS		(NM_FIRST+22)
#define OCN_SETROWS			(NM_FIRST+23)
#define OCN_SETCOLS			(NM_FIRST+24)
#define OCN_ROWSHEIGHTSCHANGE	(NM_FIRST+25)
#define OCN_COLSWIDTHSCHANGE	(NM_FIRST+26)
#define OCN_ACTIVECELLCHANGE	(NM_FIRST+27)
#define OCN_SELECTION_DRAG_END	(NM_FIRST+28)
#define OCN_ENDCELLEDIT     LVN_ENDLABELEDIT     // LVN_FIRST-6
#define OCN_DRAWHEADCELL	(NM_FIRST+29)

namespace mycell{
	//static const OCN_GETCELLTEXT = NM_FIRST+10;
	//static const OCN_SETCELLTEXT = NM_FIRST+13;
	//static const OCN_RBUTTONDOWN = NM_FIRST+15;
	//static const OCN_DRAWCELL	 = NM_FIRST+17;

	typedef struct tagDrawTextStruct{
		//HDC hDC;
		//LPCRECT lprcCell;
		UINT uDrawTextFormat;//DrawText��uFormat����
		LPCTSTR lpszCellText;
		int nTextLen;
	}DrawTextStruct1;
	/*
	
	typedef struct tagDrawCellStruct{
		HDC hDC;
		BYTE	nCellType;	//ECellType
		COLORREF bkclr;
		DrawTextStruct* pDTS;//can be null if there is not text to draw
		RECT fillRect;//bound of the cell
		RECT textRect;//bound of the text 
		UINT hAlignment;
		UINT vAlignment;
		int activeRow;//
		int activeCol;//
		bool fMergeCell;	//�Ƿ�ϲ���Ԫ��
		//ECellBGShrinkState* peShrink;
	}DrawCellStruct;
	*/

	enum HeaderType
	{
		MHT_HEADER_CORNER,
		MHT_ROW_HEADER,
		MHT_COL_HEADER,
	};
	/*
	enum HeaderSelectionType
	{
		MHST_NOT_IN_SELECTION,			//����ѡ����
		MHST_IN_SELECTION,		//��ѡ����
		MHST_IN_PROJECTION_OF_SELECTION,//��ѡ�񼯵�ͶӰ����
	};

	typedef struct tagDrawHeaderCellStruct{
		HDC hDC;
		COLORREF bkclr;
		DrawTextStruct1* pDTS;//can be null if there is not text to draw
		RECT fillRect;//bound of the cell
		int activeRow;//
		int activeCol;//
		HeaderType headerType;
		ESelectionState selType;
		//BOOL bRowHeader;
		//BOOL bHeaderCorner;
		//BOOL bInSelection;
		//BOOL bFullInSelection;
		BOOL bHandled;
	}DrawHeaderCellStruct;
	*/

	/*
	typedef struct tagHitTestStruct
	{
		POINT pt;
		ECellHitTestConstants hit;
		CCell cell;
	}HitTestStruct;
	*/
	typedef struct tagCELLHITTESTINFO {
		POINT pt;	//Position to hit test, in client coordinates. 
		UINT flags;	//Variable that receives the results of a hit test. The control sets this member to one of the values of  ECellHitTestConstants
		CCell cell;	//Variable that receives the row and col results of a hit test.
	} CELLHITTESTINFO, *LPCELLHITTESTINFO;

	struct KeyDownInfo
	{
		WPARAM& wParam;
		LPARAM& lParam;
		KeyDownInfo(WPARAM w,LPARAM l):wParam(w),lParam(l)
		{}
	};
	//struct GetCellTextInfo
	//{
	//	LPTSTR lpText;
	//	bool bRender;//�Ƿ����ڻ��ƻ�tooltip
	//	//GetCellTextInfo(LPTSTR buf,bool bRen):lpText
	//};
	/*
	// This structure sent to Grid's listener in a WM_NOTIFY message
	typedef struct tagNM_GRIDVIEW {
		NMHDR hdr;
		int   row;
		int   col;
		LPARAM lParam;
		HRESULT hr;
		BOOL bHandled;
	} NM_SHEETVIEW;
	*/

	typedef struct tagSelectionDragEndStruct{
		bool bExpand;//true-����,false��С
		bool bHorz;//ˮƽ�����������С��
		RECT oldSelection;//RECT�д�ĵ�Ԫ��������������ڴ����ϵ�λ��
		RECT newSelection;//
		RECT expand;//��������IJ���
	}SelectionDragEndStruct;
}