transparentwnd.cpp

最新visualC++编程200例书籍源码包括对数据库的操作

//////////////////////////////////////////////////
//类名：CTransparentWnd
//功能：透明窗体实现

//////////////////////////////////////////////////
#include "stdafx.h"
#include "TransparentWnd.h"
#include <assert.h>
#include "HelpTip.h"
#include "HelpTipDlg.h"
#include "DownloadAddress.h"
#include "About.h"

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

#define TIMER_SET			1
#define TIMER_WALK			2
#define TIMER_IDLE			3
#define TIMER_RUN			4
#define TIMER_PLAYSOUND		5
#define TEMER_DragDrop		6

#define WM_TRAYNOTIFY WM_USER + 100  //自定义系统托盘消息函数

//********************************************************************************
//* 名称：CTransparentWnd()
//* 作者：徐景周([e-mail])
//* 功能：构造涵数，在此初始化变量
//********************************************************************************
CTransparentWnd::CTransparentWnd()
{
	m_iAniSeq=0;
	strPath="";	
	m_bSuccess=FALSE;
}

//********************************************************************************
//* 名称：~CTransparentWnd()
//* 作者：徐景周([e-mail])
//* 功能：析构涵数，可在此删除创建的变量
//********************************************************************************
CTransparentWnd::~CTransparentWnd()
{
}

BEGIN_MESSAGE_MAP(CTransparentWnd, CWnd)
	//{{AFX_MSG_MAP(CTransparentWnd)
	ON_MESSAGE(WM_TRAYNOTIFY, OnTrayNotification)  //自定义系统托盘消息涵数 
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONDOWN()
	ON_WM_CREATE()
	ON_WM_TIMER()
	ON_WM_DESTROY()
	ON_WM_RBUTTONDOWN()
	ON_COMMAND(IDR_EXIT, OnExit)
	ON_COMMAND(IDR_FULLSCREEN_WALK, OnFullscreenWalk)
	ON_UPDATE_COMMAND_UI(IDR_FULLSCREEN_WALK, OnUpdateFullscreenWalk)
	ON_COMMAND(IDR_SHOWHIDE, OnShowhide)
	ON_WM_INITMENUPOPUP()
	ON_COMMAND(IDR_DOWNLOAD, OnDownload)
	ON_COMMAND(IDR_ACTION_RUN, OnActionRun)
	ON_COMMAND(IDR_ACTION_WALK, OnActionWalk)
	ON_COMMAND(IDR_ACTION_IDLE, OnActionIdle)
	ON_WM_MEASUREITEM()
	ON_WM_MENUCHAR()
	ON_COMMAND(IDR_ABOUT, OnAbout)
	ON_WM_LBUTTONUP()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

//********************************************************************************
//* 名称：CreateTransparent()
//* 作者：徐景周([e-mail])
//* 功能：建立透明窗体
//********************************************************************************
void CTransparentWnd::CreateTransparent(LPCTSTR pTitle, RECT &rect)
{
	CreateEx(	0,
		AfxRegisterWndClass(0,AfxGetApp()->LoadStandardCursor(IDC_ARROW)),
						pTitle,
						WS_POPUP ,
						rect,
						NULL,
						NULL,
						NULL );

}

//********************************************************************************
//* 名称：GetSourceHtml()
//* 作者：徐景周([e-mail])
//* 功能：下载网页涵数
//********************************************************************************
BOOL CTransparentWnd::GetSourceHtml(CString theUrl) 
{
 CInternetSession session;
 CInternetFile* file = NULL;
 try
 {
    // 试着连接到指定URL
    file = (CInternetFile*) session.OpenURL(theUrl); 
 }
 catch (CInternetException* m_pException)
 {
    // 如果有错误的话，置文件为空
    file = NULL; 
    m_pException->Delete();
    return FALSE;
 }

 // 用dataStore来保存读取的网页文件
 CStdioFile dataStore;

 if (file)
 {
    CString  somecode;							//也可采用LPTSTR类型，将不会删除文本中的\n回车符

	BOOL bIsOk = dataStore.Open(strPath+"\\Tip.txt",
		CFile::modeCreate 
		| CFile::modeWrite 
		| CFile::shareDenyWrite 
		| CFile::typeText);
	
	if (!bIsOk)
		return FALSE;
	
	// 读写网页文件，直到为空
	while (file->ReadString(somecode) != NULL) //如果采用LPTSTR类型，读取最大个数nMax置0，使它遇空字符时结束
	{
		dataStore.WriteString(somecode);
		dataStore.WriteString("\n");		   //如果somecode采用LPTSTR类型,可不用此句
	}
	
	file->Close();
	delete file;
 }
 else
 {
    dataStore.WriteString(_T("到指定服务器的连接建立失败..."));	
    return FALSE;
 }

 return TRUE;
}

//********************************************************************************
//* 名称：SoundPlay()
//* 作者：徐景周([e-mail])
//* 功能：播放内镶WAV声音文件
//********************************************************************************
void CTransparentWnd::SoundPlay(void)
{
    //先关闭原声音播放
	PlaySound("IDR_WAVE",AfxGetResourceHandle(),SND_RESOURCE|SND_PURGE|SND_NODEFAULT  ); 
    //设置播放声音时间0.84秒
	SetTimer(TIMER_PLAYSOUND,840,NULL); 
	//资源WAV文件的ID须加双引号，用下API函数播放
    PlaySound("IDR_WAVE",AfxGetResourceHandle(),SND_RESOURCE|SND_ASYNC|SND_NODEFAULT  ); 
}

//********************************************************************************
//* 名称：SetupRegion()
//* 作者：徐景周([e-mail])
//* 功能：将窗体背景透明化
//********************************************************************************
void CTransparentWnd::SetupRegion(CDC *pDC)
{
	CDC					memDC;
	CBitmap			&cBitmap=m_bmpDraw;
	CBitmap*		pOldMemBmp = NULL;
	COLORREF		col,colMask;
	CRect				cRect;
	int					x, y;
	CRgn				wndRgn, rgnTemp;

	GetWindowRect(&cRect);
	CPoint ptOrg=cRect.TopLeft();

	BITMAP bmInfo;
	cBitmap.GetObject(sizeof(bmInfo),&bmInfo);
	CRect rcNewWnd=CRect(ptOrg,CSize(bmInfo.bmWidth,bmInfo.bmHeight));

	memDC.CreateCompatibleDC(pDC);
	pOldMemBmp = memDC.SelectObject(&cBitmap);
	colMask=memDC.GetPixel(0,0);

	wndRgn.CreateRectRgn(0, 0, rcNewWnd.Width(), rcNewWnd.Height());
	for(x=0; x<=rcNewWnd.Width(); x++)
	{
		for(y=0; y<=rcNewWnd.Height(); y++)
		{
			col = memDC.GetPixel(x, y);
			if(col == colMask)
			{
				rgnTemp.CreateRectRgn(x, y, x+1, y+1);
				wndRgn.CombineRgn(&wndRgn, &rgnTemp, RGN_XOR);
				rgnTemp.DeleteObject();	
			}
		}
	}
	if (pOldMemBmp) memDC.SelectObject(pOldMemBmp);
	SetWindowRgn((HRGN)wndRgn, TRUE);
	MoveWindow(rcNewWnd);
}

//********************************************************************************
//* 名称：DoSet()
//* 作者：徐景周([e-mail])
//* 功能：判断该进行何种运行方式
//********************************************************************************
void CTransparentWnd::DoSet(void)
{
	int iSW=GetSystemMetrics(SM_CXFULLSCREEN);
	int	iSH=GetSystemMetrics(SM_CYFULLSCREEN);

	KillTimer(TIMER_SET);
	switch(rand()%5)
	{
		case(0):  //散步
		case(1):
		m_ptDest.x=rand()%(iSW - 10);
		m_ptDest.y=rand()%(iSH - 10);
		SetTimer(TIMER_WALK,500,NULL);
		break;

		case(2):  //奔跑
		case(3):  
		m_ptDest.x=rand()%(iSW - 10);
		m_ptDest.y=rand()%(iSH - 10);
		SetTimer(TIMER_RUN,500,NULL);
		break;

	    case(4):  //休息
		SetTimer(TIMER_IDLE,600,NULL);
		break;
	}
}

//********************************************************************************
//* 名称：DoWalk()
//* 作者：徐景周([e-mail])
//* 功能：散步
//********************************************************************************
void CTransparentWnd::DoWalk(void)
{
	char szBmp[20];
	CRect rcW;
	GetWindowRect(rcW);

	//决定全屏或局部运动的范围
	if(m_bFullScreenWalk)
	{
		if((m_ptDest.x> rcW.left && m_ptDest.x < rcW.right)||(m_ptDest.y> rcW.top && m_ptDest.y < rcW.bottom ))
		{
			KillTimer(TIMER_WALK);		
			SetTimer(TIMER_SET,10,NULL);
			return;
		}
		
		CPoint ptOffset((m_ptDest.x > rcW.left)?5:-5,(m_ptDest.y > rcW.top)?5:-5);

		rcW+=ptOffset;
		MoveWindow(rcW);
		
		if(m_ptDest.x<rcW.left)		//向左运动
		{
			sprintf(szBmp,"WALK%d",m_iAniSeq%5+1);
			m_iLastDirection=1;
		}
		else						//向右运动
		{
			sprintf(szBmp,"WALK%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==2)           //局部运动时，往右为奔跑
		{
			KillTimer(GetCurAction());
			SetTimer(TIMER_RUN,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,"WALK%d",m_iAniSeq%5+1);
		}
		else							  //向右运动
		{
			sprintf(szBmp,"WALK%d",m_iAniSeq%5+6);
		}
	}

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

//********************************************************************************
//* 名称：DoRun()
//* 作者：徐景周([e-mail])
//* 功能：奔跑
//********************************************************************************
void CTransparentWnd::DoRun(void)
{
	char szBmp[20];
	CRect rcW;
	GetWindowRect(rcW);

	//决定全屏或局部运动的范围
	if(m_bFullScreenWalk)
	{
		if((m_ptDest.x> rcW.left && m_ptDest.x < rcW.right)||(m_ptDest.y> rcW.top && m_ptDest.y < rcW.bottom ))
		{
			KillTimer(TIMER_RUN);
			SetTimer(TIMER_SET,10,NULL);
			return;
		}