transparentwnd.cpp

类似qq魔法表情的程序

// TransparentWnd.cpp : implementation file


#include "stdafx.h"
#include <Mmsystem.h>
#include "TransparentWnd.h"
#include "BCMenu.h"  //添加位图菜单
#include "resource.h"
#include "statlink.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
 
BCMenu popmenu;  //定义位图菜单变量
/////////////////////////////////////////////////////////////////////////////
// TransparentWnd
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
    CStaticLink  m_link;
// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	virtual BOOL OnInitDialog();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
BOOL CAboutDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
m_link .m_link=_T("mailto:[e-mail]");
	m_link.SubclassDlgItem (IDC_NAME ,this);
		
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}
//////////////////////////////////////////////////////////////////////////////

TransparentWnd::TransparentWnd()
{
	m_iAniSeq=0;  
	m_szwindows.cx =250;
	m_szwindows.cy =400;
 
}

TransparentWnd::~TransparentWnd()
{
}

BEGIN_MESSAGE_MAP(TransparentWnd, CWnd)
	//{{AFX_MSG_MAP(TransparentWnd)
	ON_WM_LBUTTONDOWN()
	ON_WM_CREATE()
	ON_WM_ERASEBKGND()
	ON_WM_TIMER()
	ON_WM_RBUTTONDOWN()
	ON_COMMAND(IDR_HELP, OnHelp)
	ON_COMMAND(IDR_EXIT, OnExit)
	ON_WM_SETFOCUS()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

//********************************************************************************
//* CreateTransparent()
//*
//* Creates the main application window transparent
//********************************************************************************
void TransparentWnd::CreateTransparent(LPCTSTR pTitle, RECT &rect)
{
	// 创建一个隐藏窗口
	CreateEx(   0,  
		AfxRegisterWndClass(0,AfxGetApp()->LoadStandardCursor(IDC_ARROW)),
				pTitle,
				WS_POPUP ,
				rect,
				NULL,
				NULL,
			    NULL);
	DoChange(MAKEINTRESOURCE(IDB_SPLA));
	//显示第一个图片。
	ShowWindow (SW_SHOW);

//	 Invalidate ();
SetTimer (1,0,NULL);

}

//********************************************************************************
//* SetupRegion()
//*
//* Set the Window Region for transparancy outside the mask region
//********************************************************************************
void TransparentWnd::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);
    ShowWindow (SW_HIDE);
	SetWindowRgn((HRGN)wndRgn, TRUE);
	MoveWindow(rcNewWnd);


	
}

void TransparentWnd::DoChange(char *szBmp)
{
  //图像
    

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

	
}



void TransparentWnd::OnLButtonDown(UINT nFlags, CPoint point) 
{

	CWnd::OnLButtonDown(nFlags, point);

	//实现无标题拖动
	PostMessage(WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(point.x,point.y)); 	
}

int TransparentWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
   
 SetWindowPos(&wndTopMost,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE); //窗体总在总前面	
	return 0;
}

BOOL TransparentWnd::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;	
//	return CWnd::OnEraseBkgnd(pDC);
}

void TransparentWnd::OnTimer(UINT nIDEvent) 
{switch (nIDEvent )
{case 1:{
	   	KillTimer (nIDEvent);
		 
      //显示主窗口。 
 DoChange(MAKEINTRESOURCE(IDB_MAIN2));
 
	 if (!m_wndView.Create(NULL, NULL, AFX_WS_DEFAULT_VIEW,
		CRect(260, 30,630, 370), this, AFX_IDW_PANE_FIRST, NULL))
	{
		TRACE0("Failed to create view window\n");
	 ;
	}  // 创建视图窗口用于显示动画。
 
 CenterWindow ();
       
	  ShowWindow (SW_SHOW);
		}
break;

 case 2:{
		}
	 break;
 default:
	 ;
}
	
	CWnd::OnTimer(nIDEvent);
}

void TransparentWnd::OnRButtonDown(UINT nFlags, CPoint point) 
{
	
	CWnd::OnRButtonDown(nFlags, point);

   //添加右键快捷图标菜单(用于下拉式菜单)
  popmenu.LoadMenu(IDR_MENU);
 
  popmenu.ModifyODMenu(NULL, IDR_HELP,IDB_HELP);
  popmenu.ModifyODMenu(NULL,IDR_EXIT,IDB_EXIT);
  
  ClientToScreen(&point);
  BCMenu *psub = (BCMenu *)popmenu.GetSubMenu(0); 
  psub->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,point.y,this);
  popmenu.DestroyMenu();
}

void TransparentWnd::OnHelp() 
{
	CAboutDlg dlg;

  if( !FindWindow(NULL,"关于生日快乐"))
	    dlg.DoModal();	

  }

void TransparentWnd::OnExit() 
{
  DestroyWindow();	
}

BOOL TransparentWnd::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	return CWnd::PreTranslateMessage(pMsg);
}

BOOL TransparentWnd::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo) 
{  
	if (m_wndView.OnCmdMsg(nID, nCode, pExtra, pHandlerInfo))
		return TRUE;
	//先处理视的command 消息，如果不是则由主窗口处理.
	// TODO: Add your specialized code here and/or call the base class
	
	return CWnd::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
}
void TransparentWnd::OnSetFocus(CWnd* pOldWnd)
{
	// forward focus to the view window
if (m_wndView.m_hWnd !=NULL)
	m_wndView.SetFocus();
   //当主窗口获得焦点时，激活视窗口。
}