transparentwnd.cpp

visual c++ 实例编程

		CPoint ptOffset((m_ptDest.x > rcW.left)?10:-10,(m_ptDest.y > rcW.top)?5:-5);
		rcW+=ptOffset;
		MoveWindow(rcW);
		
		if(m_ptDest.x<rcW.left)  //向左运动
		{
			sprintf(szBmp,"RUN%d",m_iAniSeq%5+1);
			m_iLastDirection=1;
		}
		else                     //向右运动
		{
			sprintf(szBmp,"RUN%d",m_iAniSeq%5+6);
			m_iLastDirection=2;
		}
	}
	else
	{
		int xcounter=10,ycounter=10;

		m_Rect=GetTopWndTitleRect();
		if(rcW.left < m_Rect.left +30 || m_iLastDirection==2) 
		{
			xcounter=10;
			m_iLastDirection=2;
		}
		if(rcW.left > m_Rect.right -30 || m_iLastDirection==1)
		{
			xcounter=-10;
			m_iLastDirection=1;
		}
		ycounter=0;                        //上、下位置不变
		
		rcW.top =m_Rect.top-rcW.Height();
		rcW.bottom =m_Rect.top;

		CPoint ptOffset(xcounter,ycounter);
 		rcW+=ptOffset;

		MoveWindow(rcW);

		if(m_iLastDirection==1)				//局部运动时，往左为散步
		{
			KillTimer(GetCurAction());
			SetTimer(TIMER_WALK,500,NULL);	
		}
		else if((m_iAniSeq%30)==0)
		{
			KillTimer(GetCurAction());
			SetTimer(TIMER_IDLE,600,NULL);	
		}

		if(m_iLastDirection==1)				//向左运动
		{
			sprintf(szBmp,"RUN%d",m_iAniSeq%5+1);
		}
		else							    //向右运动
		{
			sprintf(szBmp,"RUN%d",m_iAniSeq%5+6);
		}
	}

	m_bmpDraw.DeleteObject();
	m_bmpDraw.LoadBitmap(szBmp);
	CWindowDC dc(this);
	SetupRegion(&dc);
	Invalidate();
}

//********************************************************************************
//* 名称：DoIdle()
//* 作者：徐景周([e-mail])
//* 功能：休息
//********************************************************************************
void CTransparentWnd::DoIdle(void)
{
	if(m_iAniSeq%12==0)
	{
		SoundPlay();				//播放声音    

		//显示提示窗信息
	    CRect rc;
		GetWindowRect(&rc);
		CPoint pt;
		pt.x=rc.left +rc.Width ()/2;
		pt.y=rc.top;
		if(m_bDownloadFailed)
		{
			CString str;
			if(m_sdFile.ReadString(str) == NULL)
			{
				m_sdFile.SeekToBegin();
				m_sdFile.ReadString(str);
			}
            m_Tip.Show(str,&pt);	//注：同一行中显示的字数不能过大
		}
		else
			m_Tip.Show(_T("欢迎您，来到未来工作室！"),&pt);

		m_Tip.Hide();

		KillTimer(TIMER_IDLE);
		SetTimer(TIMER_SET,10,NULL);
		return;
	}

	char szBmp[20];
	if(m_iLastDirection==1)			//向左运动
		sprintf(szBmp,"IDLE%d",m_iAniSeq%4+1);
	else							//向右运动
		sprintf(szBmp,"IDLE%d",m_iAniSeq%4+5);

	m_bmpDraw.DeleteObject();
	m_bmpDraw.LoadBitmap(szBmp);
	CWindowDC dc(this);
	SetupRegion(&dc);
	Invalidate();
}

//********************************************************************************
//* 名称：DoDrag()
//* 作者：徐景周([e-mail])
//* 功能：拖动窗体时行为表现
//********************************************************************************
void CTransparentWnd::DoDrag(void)
{

	CRect rcW;
	POINT point;
	GetWindowRect(rcW);

	//实现拖动时窗体跟着移动
    ::GetCursorPos(&point);			
	MoveWindow(point.x-m_ptCurPoint.x ,point.y-m_ptCurPoint.y ,rcW.Width(),rcW.Height() ,true); 

	char szBmp[20];

	sprintf(szBmp,"FUNK%d",m_iAniSeq%4+1);

	m_bmpDraw.DeleteObject();
	m_bmpDraw.LoadBitmap(szBmp);
	CWindowDC dc(this);
	SetupRegion(&dc);
	Invalidate();

}

//********************************************************************************
//* 名称：OnLButtonDown()
//* 作者：徐景周([e-mail])
//* 功能：实现窗体无标题拖动
//********************************************************************************
void CTransparentWnd::OnLButtonDown(UINT nFlags, CPoint point) 
{
	CWnd::OnLButtonDown(nFlags, point);

	KillTimer(GetCurAction());		   //关闭当前行为表现

	SetTimer(TEMER_DragDrop,60,NULL);  //打开拖动时计数器

	//鼠标移动到窗体时改变鼠标指针
	::SetCursor(AfxGetApp()->LoadCursor(IDC_DROP));

	m_bDragDrop=true;					//精灵助手拖动标志为真
	SetCapture();						//设置鼠标全屏捕捉
    m_ptCurPoint=point;					//记下按下时的鼠标坐标

//	PostMessage(WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(point.x,point.y));

}

//********************************************************************************
//* 名称：OnLButtonUp()
//* 作者：徐景周([e-mail])
//* 功能：实现窗体实时拖动效果
//********************************************************************************
void CTransparentWnd::OnLButtonUp(UINT nFlags, CPoint point) 
{
	
	m_bDragDrop=false;				//精灵助手拖动标志为假
	ReleaseCapture();
	KillTimer(TEMER_DragDrop);		//关闭拖动时记数器 
	SetTimer(TIMER_SET,10,NULL);
	
	CWnd::OnLButtonUp(nFlags, point);
}

//********************************************************************************
//* 名称：OnCreate()
//* 作者：徐景周([e-mail])
//* 功能：创建窗体
//********************************************************************************
int CTransparentWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	//系统区显示的图标文件
	m_hIcon[0]=AfxGetApp()->LoadIcon(IDR_MAINFRAME);
    
	//创建系统区图标
	if (!m_TrayIcon.Create(this, 
				IDR_POPUP, 
				_T("精灵助手 V1.0"), 
				m_hIcon, 
				1,						//一幅图像
				1000,					//延时1秒变化
				WM_TRAYNOTIFY))
	{
		AfxMessageBox(_T("错误：创建系统图标失败！"), MB_OK | MB_ICONSTOP);
		return -1;
	}

	// 建立信息提示窗
	m_Tip.Create(GetDesktopWindow());

	//全屏运动标志初始置真
	m_bFullScreenWalk = TRUE;										

	m_iAction = 1;
	SetTimer(1,300,NULL);

	//窗体拖运时变量初始化
	m_bDragDrop=false;  
	m_ptCurPoint=CPoint(0,0);

	//置窗体初始显示位置
	CRect rcW;
	GetWindowRect(&rcW);
	m_Rect=GetTopWndTitleRect();	
	rcW.top =m_Rect.top-rcW.Height();
	rcW.bottom =m_Rect.top;
	rcW.left =10;
	//置窗体为最顶层显示及其位置
	SetWindowPos(&wndTopMost,rcW.left,rcW.top,rcW.Width(),rcW.Height(),SWP_NOSIZE|SWP_NOMOVE);

	//获取主程序所在路径,存在全局变量strPath中
	GetModuleFileName(NULL,strPath.GetBufferSetLength (MAX_PATH+1),MAX_PATH);
	strPath.ReleaseBuffer ();
    int nPos;
	nPos=strPath.ReverseFind ('\\');
	strPath=strPath.Left (nPos);

	CFileFind  fFind;
	BOOL bFailed;
	bFailed=fFind.FindFile(strPath+"\\Tip.txt",0);
    //是否已下载提示文件，否则下载它并打开文件
	if(!bFailed)
		m_bDownloadFailed=GetSourceHtml("http://www.microsoft.com/");	//下载提示文件的默认网址
	else
		m_bDownloadFailed=TRUE;
    fFind.Close ();
	if(m_bDownloadFailed)
		m_bSuccess=m_bDownloadFailed=m_sdFile.Open(strPath+"\\Tip.txt",
		CFile::modeRead | CFile::typeText);

	return 0;
}

//********************************************************************************
//* 名称：OnTrayNotification()
//* 作者：徐景周([e-mail])
//* 功能：系统区创建的图标映射涵数
//********************************************************************************
LRESULT CTransparentWnd::OnTrayNotification(WPARAM wParam, LPARAM lParam)
{
  
  return m_TrayIcon.OnTrayNotification(wParam, lParam);
}

//********************************************************************************
//* 名称：OnEraseBkgnd()
//* 作者：徐景周([e-mail])
//* 功能：擦除背景
//********************************************************************************
BOOL CTransparentWnd::OnEraseBkgnd(CDC* pDC) 
{
	CRect	rect;
	GetWindowRect(&rect);

	CDC memDC;
	CBitmap			&cBitmap=m_bmpDraw;;
	CBitmap*		pOldMemBmp = NULL;
	CFont* pOldMemFont=NULL;

	memDC.CreateCompatibleDC(pDC);
	pOldMemBmp = memDC.SelectObject(&cBitmap);
	pDC->BitBlt(0, 0, rect.Width(), rect.Height(), &memDC, 0, 0, SRCCOPY);

	if (pOldMemBmp) memDC.SelectObject( pOldMemBmp );

	return TRUE;
}

//********************************************************************************
//* 名称：OnPaint()
//* 作者：徐景周([e-mail])
//* 功能：刷新背景
//********************************************************************************
void CTransparentWnd::OnPaint()
{
	CPaintDC dc(this);
	
}

//********************************************************************************
//* 名称：OnTimer()
//* 作者：徐景周([e-mail])
//* 功能：触发定时器
//********************************************************************************
void CTransparentWnd::OnTimer(UINT nIDEvent) 
{
	
	switch(nIDEvent)
	{
	case(1):				//判定何种运行方式
		DoSet();
		break;

	case(2):				//散步
		DoWalk();
		break;

	case(3):				//休息
		DoIdle();
		break;

	case(4):				//奔跑
		DoRun();
		break;

	case(5):				//播放声音
		KillTimer(TIMER_PLAYSOUND);
		break;

	case(6):
		DoDrag();			//实时拖动
		break;

	default:
		break;
	}

	m_iAction= nIDEvent;    //当前行为表现方式标志

	m_iAniSeq++;            //下一幅图像       
	if(m_iAniSeq>80) m_iAniSeq=0;

	CWnd::OnTimer(nIDEvent);
}

//********************************************************************************
//* 名称：OnDestroy()
//* 作者：徐景周([e-mail])
//* 功能：销毁窗体