jwstatic.cpp

evc实现

// JWStatic.cpp : implementation file
//

#include "stdafx.h"
#include "Static.h"
#include "JWStatic.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//#include "../Common/UIManager.h"

//extern CUIManager* GetGlobalUIManager();


/////////////////////////////////////////////////////////////////////////////
// CJWStatic

CJWStatic::CJWStatic()
{
	m_strText = L"";
	nRollTextCounter = 0;
	nWindowLen       = 0;
	iBmpLeft = iBmpTop = 0;
}

CJWStatic::~CJWStatic()
{
}


BEGIN_MESSAGE_MAP(CJWStatic, CStatic)
	//{{AFX_MSG_MAP(CJWStatic)
	ON_WM_PAINT()
	ON_WM_TIMER()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CJWStatic message handlers

void CJWStatic::OnPaint() 
{
	//CPaintDC dc(this); // device context for painting
/*	PAINTSTRUCT ps;
	CDC* pDC = BeginPaint(&ps);


	ASSERT(pDC);
	BITMAP   bm;  
    CDC   dcMem;  
    dcMem.CreateCompatibleDC(pDC);  
    m_bkbmp   =   new   CBitmap();  
 	m_bkbmp->LoadBitmap(IDB_BK);  

    CBitmap   *pBmpOld=(CBitmap   *)dcMem.SelectObject(m_bkbmp);  
	m_bkbmp->GetObject(sizeof(bm),(LPVOID)&bm);  

	//CRect   rcClient;  
	//GetClientRect(rcClient);   
	pDC->BitBlt(0,0,rcClient.right-rcClient.left, rcClient.bottom-rcClient.top,&dcMem, 20,60,SRCCOPY);     
	dcMem.SelectObject(pBmpOld);  

	pDC->SetBkMode(TRANSPARENT);
	
	//CString strText;
	//GetWindowText(strText);
	pDC->SetTextColor(m_crText);
	pDC->DrawText(m_strText, rcClient, 0);

	m_bkbmp->DeleteObject();
	EndPaint(&ps);*/
	
	PAINTSTRUCT ps;
	CDC* pDC = BeginPaint(&ps);

	ASSERT(pDC);
    CDC   dcMem;  
    dcMem.CreateCompatibleDC(pDC);  

	CRect   rcClient;  
	GetClientRect(rcClient);
	//m_bkbmp.LoadBitmap(IDB_BK); 
	dcMem.SelectObject(m_bkbmp);  
	dcMem.SetBkMode(TRANSPARENT);
	//CString strText;
	//GetWindowText(strText);
 	pDC->DrawText(m_strText, rcClient, 0);

	pDC->BitBlt(0,0,rcClient.right-rcClient.left, rcClient.bottom-rcClient.top,&dcMem, 0, 0, SRCCOPY);
	dcMem.DeleteDC();
	m_bkbmp.DeleteObject();
	EndPaint(&ps);
}


BOOL CJWStatic::RollText()
{
 	TCHAR ch;
	m_strText="";

	for(int i=0 ; i< nWindowLen; )
	{
		if( i > szText.GetLength()-1) break;
		ch = szText.GetAt(nRollTextCounter+i);
		m_strText+=ch; 
		i++;		
	}

	nRollTextCounter += 2;
	if(nRollTextCounter >= szText.GetLength() - nWindowLen)
		nRollTextCounter = 0;
	
	CRect   rcClient;  
	GetClientRect(rcClient);  
	InvalidateRect(&rcClient,TRUE); 

	return TRUE;
}

void CJWStatic::OnTimer(UINT nIDEvent) 
{   
	if( 1 == nIDEvent ) RollText();

	CStatic::OnTimer(nIDEvent);
}


BOOL CJWStatic::SetRollText()
{	
    SetTimer(1,500,NULL);	
	return TRUE;
}

int CJWStatic::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CStatic::OnCreate(lpCreateStruct) == -1)
		return -1;
	CString strTemp;

	// 初始化需要动态显示的字符
	GetWindowText(szText);

	//CRect rcClient;
	GetClientRect( &rcClient );

	nWindowLen = rcClient.Width();
	
	// 从液晶像素得到字符数,估计4个像素 = 一个字符宽度
	nWindowLen = nWindowLen/4;
	for(int i = 0; i < nWindowLen; i++)
	{
		strTemp += L" "; 	
	}
	//nWindowLen : 显示窗口的宽度。
	szText = strTemp + szText + strTemp;
	return 0;
}


/*
BOOL CJWStatic::CreateByID(UINT nWndID, CWnd *hParent)
{
	JWGPSWNDATTR attr;
	g_pUIManager->GetWindowAttributes(nWndID, attr);

	m_bkbmp.LoadBitmap( (LPCTSTR)attr.strWndPic1 ); //static的父窗口的背景图。  
	iBmpLeft = attr.rc.left;
	iBmpTop  = attr.rc.top;

	if (!Create(attr.szName, attr.style, attr.rc, hParent))
  	{
  		TRACE0("Failed to Create Static.\n");
  		return FALSE;
	}

    return TRUE;

}*/

void CJWStatic::SetTextColor(COLORREF crText)
{
	m_crText=crText;
}