brw_pen.c

好记星的控件,包括button,list,对文件操作

/**************************************************************************
                                                                          
              Copyright (C) 2005 SHENZHEN MEIJIN CO.LTD                   
                                                                          
 FILE NAME:   brw_pen.C                                                      
 MODULE NAME: browser                                                        
 DESCRIPTION: 提供了浏览器笔点处理
 对外函数声明:

	BrowserMarkPenProcess		笔点处理函数
		
**************************************************************************
    DTAE       AUTHOR     VERSION                 REMARKS                 
 =========== ==========  =========  ======================================
 2006-3-5    gaolinhui    V1.0					create                               
***************************************************************************/
#include "kernel.h"
#include "BrowserIn.h"


/************************************************************************/
/* 函数名称: BrowserMarkPenProcess                                        */
/* 函数描述: 笔点处理函数	                                            */
/* 当前版本: 1.0                                                        */
/* 作    者: gaolinhui                                                      */
/* 输入参数:                                                            */
/*			handle			- 对象句柄									*/
/*			pEvent			- 消息指针									*/
/* 输出参数:                                                            */
/*          NONE					                                    */
/* 返回值  :                                                            */
/*          消息处理返回值                                              */
/* 更改记录:                                                            */
/* =====================================================================*/
/*    日期       人员       版本   描述                                 */
/* =====================================================================*/
/* 2006-3-1    gaolinhui      1.0    创建	                                */
/************************************************************************/
#ifdef __VER_PENABLE__
INT BrowserMarkPenProcess(MBrowser *handle, UINT uEvent, UINT uParam)
{
    UINT8 *pCurrent;
    UINT32 curLine;
	UINT16 curCol;
	UINT16 penX, penY,x,y;
	penX = GET_PEN_X(uParam);
	penY = GET_PEN_Y(uParam);

	x = penX - handle->pBrwInfo->nX;
	y = penY - handle->pBrwInfo->nY;
    
    if (uEvent == EVENT_PENDOWN)
    {
		/*PENDOWN消息*/
        if (!BrowserXyToLineCol(handle,x,y,&curLine,&curCol))
        {
            return 0;
        }
		curLine += handle->pBrwInfo->dwTopLine;
        /*得到当前笔点的行列位置*/
        pCurrent = BrowserLineColToPos(handle, curLine,curCol);
		/*得到MARK块位置*/
        pCurrent = BrowserLocateMarkPosition(handle,pCurrent,BROWSER_GO_FORWARD);
        if (pCurrent != (UINT8*)NULL)
        {
			/*MARK这个块*/
            handle->pBrwInfo->wStates |= BROWSER_STATE_MARKING;
            handle->pBrwInfo->pMarkStart = pCurrent;
			handle->pBrwInfo->pMarkCur = pCurrent;
            handle->pBrwInfo->pMarkEnd = pCurrent 
                            + BrowserMarkWordMemLen(pCurrent);
			/*重画*/
            MsgSend2((APGUI_STRUCT_MODEL*)handle,EVENT_DRAW,0);
            return 1;
        }
    }
	else if (uEvent == EVENT_PENMOVE)
	{
		/*PENMOVE消息*/
		UINT8 *pNewCursor,*pOldCursor;
		UINT8 *pStart,*pOldStart,*pOldEnd;

		/*得到原来MARK位置*/
		pStart = handle->pBrwInfo->pMarkStart;
		pOldCursor = handle->pBrwInfo->pMarkCur;
		pOldStart = handle->pBrwInfo->pMarkStart;
		pOldEnd = handle->pBrwInfo->pMarkEnd;
		/*转换成行列位置*/
		if (!BrowserXyToLineCol(handle,x,y,&curLine,&curCol))
		{
			return 0;
		}
		/////////////////////////
		curLine += handle->pBrwInfo->dwTopLine;
		
		pCurrent = BrowserLineColToPos(handle, curLine,curCol);
		if (pCurrent == NULL)
		{
			return 0;
		}
		pNewCursor = pCurrent;
		/*计算新的MARK位置*/
		pCurrent = BrowserGetRealCursor(handle, pNewCursor, pOldCursor);
		pNewCursor = pCurrent + BrowserMarkWordMemLen(pCurrent);
		/*调整新位置*/
		if ((pOldStart < pNewCursor) && (pNewCursor < pOldEnd))
		{
			if (pOldCursor == pStart)
			{
				handle->pBrwInfo->pMarkStart = pCurrent;
			}
			else
			{
				handle->pBrwInfo->pMarkEnd = pCurrent 
					+ BrowserMarkWordMemLen(pCurrent);
			}
		}
		else
		{
			if (pNewCursor <= pStart)
			{
				handle->pBrwInfo->pMarkStart = pCurrent;
			}
			else
			{
				handle->pBrwInfo->pMarkEnd = pCurrent 
					+ BrowserMarkWordMemLen(pCurrent);
			}
		}
		handle->pBrwInfo->pMarkCur = pCurrent;
		/*重画*/
		MsgSend2((APGUI_STRUCT_MODEL*)handle, EVENT_DRAW, 0 );
		return 1;
    }
    return 0L;
}
#endif