A fast and lightweight cell control

// MyCell - version 1.1
// Written by Yanxueming <yanxm2003@hotmail.com>
// Copyright (C) 2006-2007
// All rights reserved.
//
// The code and information is provided "as-is" without
// warranty of any kind, either expressed or implied.
#pragma once
namespace mycell{
	//------------------------------------------------------------------------------//
	//����ѡ�񼯺��ڻ��Ƶ�Ԫ�񱳾�ʱ�Ƿ�����������
	//�Լ����ĸ�����������ö�ٳ���
	//------------------------------------------------------------------------------//
	enum ECellBGShrinkState
	{
		ECBSS_SHRINK_NONE=0,//������
		ECBSS_SHRINK_LEFT=1<<0,//�������
		ECBSS_SHRINK_TOP=1<<1,//�ϱ�����
		ECBSS_SHRINK_RIGHT=1<<2,//�ұ�����
		ECBSS_SHRINK_BOTTOM=1<<3,//�±�����
		ECBSS_SHRINK_LEFTTOP=1<<4,//���ϱ�����
		ECBSS_SHRINK_RIGHTTOP=1<<5,//���ϱ�����
		ECBSS_SHRINK_LEFTBOTTOM=1<<6,//���±�����
		ECBSS_SHRINK_RIGHTBOTTOM=1<<7,//���±�����
		ECBSS_UNKNOWN=1<<31,//δ֪
	};
	enum EMouseMode 
	{ 
		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_OVER_ACTIVESELECTION_DRAG_CORNER,
		MOUSE_PREPARE_EDIT,
#ifndef GRIDCONTROL_NO_DRAGDROP
		MOUSE_PREPARE_DRAG, MOUSE_DRAGGING
#endif
	};
	/*
	//��Ԫ������ѡ��λ�ù�ϵ����
	enum ECellDragBoundsRelation
	{
		CDBR_UNKNOWN=0,
		CDBR_INNER_LEFT=1<<0,//
		CDBR_INNER_TOP=1<<1,
		CDBR_INNER_RIGHT=1<<2,
		CDBR_INNER_BOTTOM=1<<3,
		CDBR_OUTER_LEFT=1<<4,
		CDBR_OUTER_TOP=1<<5,
		CDBR_OUTER_RIGHT=1<<6,
		CDBR_OUTER_BOTTOM=1<<7,
	};
	*/
	//��Ԫ����ѡ����λ�ù�ϵ����
	enum ECellSelectionRelations
	{
		ECSR_UNKNOWN=0,//δ֪��δ����״̬
		ECSR_INNER_LEFT=1<<1,//��Ԫ����ѡ���ڲ���ѡ����߿�����
		ECSR_INNER_TOP=1<<2,//ѡ���ڿ���
		ECSR_INNER_RIGHT=1<<3,//ѡ���ڿ���
		ECSR_INNER_BOTTOM=1<<4,//ѡ���ڿ���
		ECSR_OUTER_LEFT=1<<5,//ѡ������ѡ����߿�����
		ECSR_OUTER_TOP=1<<6,//ѡ������ѡ���ϱ߿�����
		ECSR_OUTER_RIGHT=1<<7,//ѡ������ѡ���ұ߿�����
		ECSR_OUTER_BOTTOM=1<<8,//ѡ������ѡ���±߿�����
		ECSR_OUTER_LEFTTOP=1<<9,//ѡ������ѡ�����Ͻ�����
		ECSR_OUTER_RIGHTTOP=1<<10,//ѡ������ѡ�����Ͻ�����
		ECSR_OUTER_LEFTBOTTOM=1<<11,//ѡ������ѡ�����½�����
		ECSR_OUTER_RIGHTBOTTOM=1<<12,//ѡ������ѡ�����½�����
	};

		//ECS_OUTOF_SELECTION=1<<0,//��Ԫ����ȫ��ѡ���Ⲣ����ѡ���ı߿�����
		//ECS_FULLINNER=1<<1,//��Ԫ����ȫ��ѡ���ڲ�����ѡ���ı߿�����
}//namespace mycell