www.pudn.com > CTableDemo.rar > ToolTipWnd.cpp

// ToolTipWnd.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ToolTipWnd.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CToolTipWnd 
DWORD CToolTipWnd::nCurntTTWStyle=TTWS_HEART; 
CToolTipWnd::CToolTipWnd() 
{ 
 
	lpWndCls	= AfxRegisterWndClass(0); 
	 
	//Defaults 
	m_bMouseIn	= false; 
	m_bStuck	= false; 
	 
	m_iWidth = 120; 
	m_iHeight = 100; 
    m_hWndAlpha=175;//缺省透明度 
	m_clrBkColor =RGB(213,253,224);//RGB(249,254,188); //light yellow 
	m_clrFrameColor =RGB(0,0,0);  //blue 
	m_clrTextColor = RGB(0,0,255);	 //black 
 
	m_iFontHeight = 14; 
	m_strFontName = "Arial"; 
//    nCurntTTWStyle=TTWS_NACELLE;//缺省样式为吊篮样式  
	pCurrwnd = NULL; 
} 
 
CToolTipWnd::~CToolTipWnd() 
{ 
 
	BTOOLINFO *stToolInfo; 
	CWnd *pWnd; 
	for(POSITION pos = m_ToolPtr.GetStartPosition(); pos != NULL;) 
	{ 
		m_ToolPtr.GetNextAssoc(pos, (void *&)pWnd, (void*&) stToolInfo); 
		delete stToolInfo; 
	} 
	m_ToolPtr.RemoveAll(); 
 
} 
 
 
BEGIN_MESSAGE_MAP(CToolTipWnd, CWnd) 
	//{{AFX_MSG_MAP(CToolTipWnd) 
	ON_WM_PAINT() 
	ON_WM_CREATE() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CToolTipWnd message handlers 
BOOL CToolTipWnd::Create(CWnd* pParentWnd,DWORD dwStyle)  
{//主要目的是创建一个ToolTip窗口 
 
	BOOL bRet = CWnd::CreateEx(NULL, lpWndCls, NULL, 
		WS_POPUP, 0, 0, m_iWidth, m_iHeight, 
		pParentWnd->GetSafeHwnd(), NULL, NULL); 
 
	m_hParentWnd = pParentWnd->GetSafeHwnd(); 
	 
	if(bRet) 
		SetOwner(pParentWnd); 
	//设置当前样式 
	this->SetCurrentTTWStyle(dwStyle); 
	/*$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*/ 
	//设置窗口的透明度 
	SetWindowLong(this->GetSafeHwnd(),GWL_EXSTYLE, 
		GetWindowLong(this->GetSafeHwnd(),GWL_EXSTYLE)^0x80000); 
	HINSTANCE hInst=LoadLibrary("user32.dll"); 
	if(hInst) 
	{//加载成功 
		typedef BOOL(WINAPI* LPSETLAYWND)(HWND,COLORREF,BYTE,DWORD); 
        LPSETLAYWND MyProc=(LPSETLAYWND)GetProcAddress(hInst,"SetLayeredWindowAttributes"); 
        MyProc(this->GetSafeHwnd(),0,m_hWndAlpha,2); 
		FreeLibrary(hInst); 
	} 
/*$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*/ 
	return bRet; 
 
} 
 
void CToolTipWnd::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	CRect rectCl; 
	GetClientRect(&rectCl); 
 
	CRgn rgnComb;	 
    rgnComb.CreateRectRgn(rectCl.left,rectCl.top,rectCl.right,rectCl.bottom); 
	int iRetComb = rgnComb.CombineRgn(&rgnTri, &rgn, RGN_OR); 
	if(iRetComb==ERROR) 
	{ 
		AfxMessageBox("ERROR in Combining Region"); 
		return; 
	} 
	CBrush pBrush; 
	pBrush.CreateSolidBrush(m_clrFrameColor); 
	 
	CBrush pBrush1; 
	pBrush1.CreateSolidBrush(m_clrBkColor); 
	 
	dc.FillRgn( &rgnComb, &pBrush1); 
	dc.FrameRgn(&rgnComb, &pBrush, 2, 1); 
 
	dc.SetBkMode(TRANSPARENT); 
	dc.SetTextColor(m_clrTextColor); 
	 
	CFont *pFont = dc.SelectObject(&m_fontText); 
    CSize czTextWidth = dc.GetTextExtent(m_strText); 
	 
	if( czTextWidth.cx < m_RectText.Width()) 
		dc.DrawText(m_strText, m_RectText, DT_CENTER | DT_VCENTER | DT_SINGLELINE); 
	else 
		dc.DrawText(m_strText, m_RectText, DT_CENTER | DT_WORDBREAK); 
	 
    dc.SelectObject(pFont); 
	 
} 
 
 
int CToolTipWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{//合并区域 
	if (CWnd::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	SetTTWStyle(nCurntTTWStyle);//创建一个当前指定的窗口样式 
	m_fontText.CreateFont(m_iFontHeight, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,m_strFontName);	 
	 
	return 0; 
} 
 
void CToolTipWnd::RelayEvent(LPMSG lpMsg) 
{ 
 
	switch(lpMsg->message)  
	{ 
	case WM_KEYDOWN: 
			if(IsWindowVisible()) 
			{		 
				ShowWindow(SW_HIDE); 
			} 
			break; 
 
	case WM_LBUTTONDOWN: 
	case WM_RBUTTONDOWN: 
			if(IsWindowVisible()) 
			{ 
				ShowWindow(SW_HIDE); 
			} 
			break; 
 
	case WM_MOUSEMOVE: 
		{ 
			CWnd *pFocusWnd = AfxGetApp()->m_pMainWnd->GetFocus(); 
			if(pFocusWnd==NULL) 
				break; 
			CWnd* pWnd = CWnd::FromHandle(lpMsg->hwnd); 
 
			HWND hWndTemp = ::GetParent(lpMsg->hwnd); 
			 
			CPoint pt; 
			pt.x = lpMsg->pt.x; 
			pt.y = lpMsg->pt.y; 
			 
			BTOOLINFO *stToolInfo; 
			CWnd *pBToolWnd; 
			 
			for(POSITION pos = m_ToolPtr.GetStartPosition(); pos != NULL;) 
			{ 
				m_ToolPtr.GetNextAssoc(pos, (void *&)pBToolWnd, (void*&) stToolInfo); 
				 
				if(!m_bMouseIn) 
				{ 
					if(lpMsg->hwnd == stToolInfo->hwndTool) 
					{ 
					 
						if(m_bStuck && IsWindowVisible()) 
						{ 
							SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE); 
							ShowWindow(SW_SHOWNOACTIVATE); 
						} 
 
						m_bMouseIn = true; 
						m_clrTextColor = stToolInfo->clrToolTextClr;  
						m_strText = stToolInfo->strToolText;  
						 
						SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE); 
						ShowWindow(SW_SHOWNOACTIVATE); 
						 
						pCurrwnd = stToolInfo->hwndTool; 
 
						break; 
					} 
				} 
				else 
				{ 
					CRect rect; 
					::GetWindowRect(pCurrwnd, &rect); 
					if(m_bStuck && IsWindowVisible()) 
					{ 
						SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE); 
						ShowWindow(SW_SHOWNOACTIVATE); 
					} 
					 
					 
					CWnd* pWnd = CWnd::FromHandle(lpMsg->hwnd); 
					CWnd *WndPt = pWnd->WindowFromPoint(lpMsg->pt); 
					if(WndPt->GetSafeHwnd() != pCurrwnd) 
					{ 
						m_bMouseIn = false; 
						ShowWindow(SW_HIDE); 
					} 
					 
 
					break; 
				} 
			} 
			 
		}	 
		break; //WM_MOUSEMOVE 
	} 
	  
} 
 
void CToolTipWnd::AddTool(CWnd *pWnd, CString strText, COLORREF clrTextColor) 
{ 
 
	BTOOLINFO *stToolInfo; 
 
	if(!m_ToolPtr.Lookup( pWnd, ( void*& )  stToolInfo)) 
	{ 
		stToolInfo = new BTOOLINFO; 
		stToolInfo->hwndTool = pWnd->GetSafeHwnd(); 
		stToolInfo->strToolText = strText; 
		if(clrTextColor==NULL) 
			stToolInfo->clrToolTextClr = m_clrTextColor; 
		else 
			stToolInfo->clrToolTextClr = clrTextColor; 
	 
		m_ToolPtr.SetAt(pWnd, stToolInfo); 
	} 
 
} 
 
BOOL CToolTipWnd::SetTTWStyle(DWORD nStyle) 
{//设置指定样式窗口 
	CRect rectCl; 
	GetClientRect(&rectCl); 
	//区域初始化 
	rgn.m_hObject = NULL; 
	rgnTri.m_hObject = NULL; 
	rgnComb.m_hObject = NULL; 
	this->RedrawWindow(NULL,NULL,RDW_INVALIDATE|RDW_UPDATENOW|RDW_ERASE); 
///////////////////////////////////////////////////////////////////// 
//////////////////       设置气球样式 
///////////////////////////////////////////////////////////////////// 
   if(nStyle==TTWS_BALLOON) 
   {//气球样式 
	/*=======================创建气球提示框=========================*/ 
	int x=0, y=0; 
	CRect rectTemp; 
 
	rectTemp = rectCl; 
	rectTemp.left = rectTemp.left + 10;//影响m_RectText 
	 
	x = (int)( (float)((float)rectTemp.Width() / 2.0) / 1.41421); 
	y = (int)( (float)((float)rectTemp.Height() / 2.0) / 1.41421); 
 
	m_RectText.top = ( (rectTemp.Height() / 2) - y); 
	m_RectText.left = ( (rectTemp.Width() / 2) - x) + 10; 
	m_RectText.right = ( (rectTemp.Width() / 2) + x) + 10; 
	m_RectText.bottom = ( (rectTemp.Height() / 2) + y); 
    BOOL bRegRet = rgn.CreateEllipticRgn(rectCl.left+10,rectCl.top,rectCl.right,rectCl.bottom); 
		 
	CPoint ptTri[3]; 
	ptTri[0].x = rectCl.left; 
	ptTri[0].y = (rectCl.bottom / 2) - 10; 
 
	ptTri[1].x = rectCl.left + 15; 
	ptTri[1].y = (rectCl.bottom / 2) - 5; 
 
	ptTri[2].x = rectCl.left + 15; 
	ptTri[2].y = (rectCl.bottom / 2) + 5; 
	 
	ptTri[3].x = rectCl.left; 
	ptTri[3].y = (rectCl.bottom / 2) - 10; 
 
	BOOL bRegTriRet = rgnTri.CreatePolygonRgn(ptTri, 3, ALTERNATE); 
 
	rgnComb.CreateRectRgn(rectCl.left+10,rectCl.top,rectCl.right,rectCl.bottom); 
	int iRetComb = rgnComb.CombineRgn(&rgnTri, &rgn, RGN_OR); 
 
	if(iRetComb == ERROR) 
	{ 
		AfxMessageBox("ERROR in Combining Region"); 
		return -1; 
	} 
	int bRgnWnd = SetWindowRgn(rgnComb.operator HRGN( ), TRUE);	 
	/*=========================创建完成============================*/ 
//	nCurntTTWStyle=TTWS_BALLOON; 
   } 
 
////////////////////////////////////////////////////////////////////// 
///////////////           设置吊篮样式  
////////////////////////////////////////////////////////////////////// 
    if(nStyle==TTWS_NACELLE) 
	{//吊篮样式 
		 
		/*====================创建一个箭头提示框=======================*/ 
	   	rgn.m_hObject = NULL; 
	    rgnTri.m_hObject = NULL; 
	    rgnComb.m_hObject = NULL; 
        /*##################创建上面的小的三角形##################*/ 
	    CPoint pnt[3]; 
		pnt[0].x=rectCl.left; 
		pnt[0].y=rectCl.top;//第一点 
		pnt[1].x=rectCl.left+15; 
		pnt[1].y=(rectCl.top+rectCl.bottom)/2; 
		pnt[2].x=pnt[1].x+20; 
		pnt[2].y=pnt[1].y; 
        BOOL bRegTriRet=rgnTri.CreatePolygonRgn(pnt,3,ALTERNATE); 
	    /*#######################END##############################*/ 
         
		/*######################创建圆角矩形######################*/ 
		CRect rect; 
		rect=rectCl; 
		rect.top=(rectCl.top+rectCl.bottom)/2; 
		rgn.CreateRoundRectRgn(rect.left,rect.top,rect.right,rect.bottom,15,15); 
        /*##########################END###########################*/ 
		///////设置文本框 
		  m_RectText.left=rectCl.left+15; 
		  m_RectText.top=(rectCl.top+rectCl.bottom)/2; 
		  m_RectText.right=rectCl.right-15; 
		  m_RectText.bottom=rectCl.bottom; 
		///////over////////// 
	rgnComb.CreateRectRgn(rectCl.left,rectCl.top,rectCl.right,rectCl.bottom); 
	int iRetComb = rgnComb.CombineRgn(&rgnTri, &rgn, RGN_OR); 
 
	 if(iRetComb == ERROR) 
	 { 
		AfxMessageBox("ERROR in Combining Region"); 
		return -1; 
	 } 
	 /*=========================创建完成============================*/ 
	int bRgnWnd = SetWindowRgn(rgnComb.operator HRGN( ), TRUE);	 
//	nCurntTTWStyle=TTWS_NACELLE; 
	} 
////////////////////////////////////////////////////////////////////// 
////                  设置心脏样式 
////////////////////////////////////////////////////////////////////// 
	if(nStyle==TTWS_HEART) 
	{ 
		//########################设定文本框#######################*/ 
        m_RectText.left=rectCl.left+rectCl.Width()/4; 
		m_RectText.top=rectCl.top+rectCl.Height()/4; 
		m_RectText.right=rectCl.right-rectCl.Width()/4; 
		m_RectText.bottom=rectCl.top+3*rectCl.Height()/4; 
		//#########################################################*/ 
		/*======================设置左右椭圆=======================*/ 
		CRect rectLeft,rectRight; 
		rectLeft=rectCl; 
		rectRight=rectCl; 
		//设置窗口 
		rectLeft.right=rectCl.Width()/2; 
		rectLeft.bottom=rectCl.Height()/2; 
		rectRight.left=rectCl.Width()/2; 
		rectRight.bottom=rectCl.Height()/2; 
		CRgn rgnLeft,rgnRight; 
		rgnLeft.CreateEllipticRgn(rectLeft.left,rectLeft.top,rectLeft.right,rectLeft.bottom); 
		rgnRight.CreateEllipticRgn(rectRight.left,rectRight.top,rectRight.right,rectRight.bottom); 
		rgnTri.CreateRectRgn(rectCl.left,rectCl.top,rectCl.right,rectCl.bottom/2); 
		int nBet=rgnTri.CombineRgn(&rgnLeft,&rgnRight,RGN_OR); 
		if(nBet==ERROR ) 
		{ 
			AfxMessageBox("合并区域失败!"); 
			return -1; 
		} 
	/*===============================================================*/ 
		//设置抛物线部分 
		CRect rectTemp; 
		rectTemp=rectCl; 
		rectTemp.top=rectCl.Height()/4; 
		int nWidth,nHeight; 
		nWidth=rectTemp.Width(); 
		nHeight=rectTemp.Height(); 
		CPoint points[1000]; 
		for(int i=0;i<1000;i++) 
		{ 
			points[i].x=rectTemp.left; 
			points[i].y=rectTemp.top; 
		} 
		for(i=0;i