menuext.cpp

串口收发工具

	为此,我们需要提供菜单文本和图标的宽度之和以及图标的高度
*/
void CMenuExt::MeasureItem( LPMEASUREITEMSTRUCT lpMIS )
{
	UINT state = (((CMenuExtData*)(lpMIS->itemData))->nFlags);
	if(state & MF_SEPARATOR)
	{
		lpMIS->itemWidth = 0;
		lpMIS->itemHeight = GetSystemMetrics(SM_CYMENU)>>1;
	}
	else
	{
		CFont fontMenu;
		LOGFONT logfont;
		ZeroMemory ((PVOID) &logfont,sizeof (LOGFONT));
		NONCLIENTMETRICS nm;
		nm.cbSize = sizeof (NONCLIENTMETRICS);
		SystemParametersInfo(SPI_GETNONCLIENTMETRICS,nm.cbSize,&nm,0); 
		logfont = nm.lfMenuFont;
		fontMenu.CreateFontIndirect (&logfont);

		CWnd *pWnd = AfxGetMainWnd();
		CDC *pDC = pWnd->GetDC();
		CFont* pFont = NULL;
		if(IsNewShell()) //win95,NT4以后
			pFont = pDC->SelectObject (&fontMenu);

		const wchar_t *lpstrText = ((CMenuExtData*)(lpMIS->itemData))->GetWideString();

		SIZE size;
		
		if(g_Shell != Win32s)
			::GetTextExtentPoint32W(pDC->m_hDC,lpstrText,wcslen(lpstrText),&size);
#ifndef UNICODE
		else
		{
			RECT rect;
			rect.left = rect.top = 0;
			size.cy = DrawText( pDC->m_hDC,(LPCTSTR)lpstrText,
								wcslen(lpstrText),&rect,
								DT_SINGLELINE|DT_LEFT|DT_VCENTER|DT_CALCRECT );
			//到菜单项的边至少留有3个像素的空间
			size.cx = rect.right - rect.left + 3;
			size.cx += 3 * (size.cx/wcslen(lpstrText));
		}
#endif	  
		if(IsNewShell()) pDC->SelectObject(pFont);
		AfxGetMainWnd()->ReleaseDC(pDC);
		
		lpMIS->itemWidth = m_iconX + size.cx + m_iconX + GAP;
		int nCYMenu = GetSystemMetrics(SM_CYMENU);
		lpMIS->itemHeight = nCYMenu>m_iconY+4 ? nCYMenu : m_iconY+4;
		fontMenu.DeleteObject();
	}
}

void CMenuExt::SetIconSize (int width, int height)
{
	m_iconX = width;
	m_iconY = height;
}

BOOL CMenuExt::AppendODMenuA(LPCSTR lpstrText,UINT nFlags,UINT nID,int nIconNormal)
{
	USES_CONVERSION;
	return AppendODMenuW(A2W(lpstrText),nFlags,nID,nIconNormal);
}

BOOL CMenuExt::AppendODMenuW(wchar_t *lpstrText,UINT nFlags,UINT nID,int nIconNormal)
{
	// 所有的菜单项全部标记为MF_OWNERDRAW风格
	if(!nID) nFlags = MF_SEPARATOR|MF_OWNERDRAW;
	else if(!(nFlags & MF_OWNERDRAW)) nFlags |= MF_OWNERDRAW;

	if(nFlags & MF_POPUP)
	{
		// 记录下弹出菜单HMENU
		m_AllSubMenus.Add((HMENU)nID);
		m_SubMenus.Add((HMENU)nID);
	}

	// 下面的代码组织一个菜单项(可能是弹出菜单)的数据
	CMenuExtData *mdata = new CMenuExtData;
	m_MenuList.Add(mdata);
	mdata->SetWideString(lpstrText);

	mdata->menuIconNormal = nIconNormal;
	mdata->xoffset = -1;
	if(nIconNormal >= 0)
	{
		mdata->xoffset = 0;
		LoadFromToolBar(nID,nIconNormal,mdata->xoffset);
		if(mdata->bitmap)
			mdata->bitmap->DeleteImageList();
		else
			mdata->bitmap = new CImageList;
		mdata->bitmap->Create(m_iconX,m_iconY,ILC_COLORDDB|ILC_MASK,1,1);
		if(!AddBitmapToImageList(mdata->bitmap,nIconNormal))
		{
			mdata->bitmap->DeleteImageList();
			delete mdata->bitmap;
			mdata->bitmap = NULL;
			mdata->menuIconNormal = nIconNormal = -1;
			mdata->xoffset = -1;
		}
	}
	mdata->nFlags = nFlags;
	mdata->nID = nID;

	return CMenu::AppendMenu(nFlags, nID, (LPCTSTR)mdata);
}

BOOL CMenuExt::AppendODMenuA(LPCSTR lpstrText,UINT nFlags,UINT nID,CImageList *il,int xoffset)
{
	USES_CONVERSION;
	return AppendODMenuW(A2W(lpstrText),nFlags,nID,il,xoffset);
}

BOOL CMenuExt::AppendODMenuW(wchar_t *lpstrText,UINT nFlags,UINT nID,CImageList *il,int xoffset)
{
	// Add the MF_OWNERDRAW flag if not specified:
	if(!nID)nFlags=MF_SEPARATOR|MF_OWNERDRAW;
	else if(!(nFlags & MF_OWNERDRAW))nFlags |= MF_OWNERDRAW;
	
	if(nFlags & MF_POPUP){
		m_AllSubMenus.Add((HMENU)nID);
		m_SubMenus.Add((HMENU)nID);
	}
	
	CMenuExtData *mdata = new CMenuExtData;
	m_MenuList.Add(mdata);
	mdata->SetWideString(lpstrText);	//SK: modified for dynamic allocation
	
	if(il){
		mdata->menuIconNormal = 0;
		mdata->xoffset=0;
		if(mdata->bitmap)mdata->bitmap->DeleteImageList();
		else mdata->bitmap=new(CImageList);
		ImageListDuplicate(il,xoffset,mdata->bitmap);
	}
	else{
		mdata->menuIconNormal = -1;
		mdata->xoffset = -1;
	}
	mdata->nFlags = nFlags;
	mdata->nID = nID;
	return(CMenu::AppendMenu(nFlags, nID, (LPCTSTR)mdata));
}

BOOL CMenuExt::InsertODMenuA(UINT nPosition,LPCSTR lpstrText,UINT nFlags,UINT nID,
						   int nIconNormal)
{
	USES_CONVERSION;
	return InsertODMenuW(nPosition,A2W(lpstrText),nFlags,nID,nIconNormal);
}


BOOL CMenuExt::InsertODMenuW(UINT nPosition,wchar_t *lpstrText,UINT nFlags,UINT nID,
						   int nIconNormal)
{
	// Add the MF_OWNERDRAW flag if not specified:
	if(!nID)nFlags=MF_SEPARATOR|MF_OWNERDRAW;
	else if(!(nFlags & MF_OWNERDRAW))nFlags |= MF_OWNERDRAW;
	
	if(nFlags & MF_POPUP){
		m_AllSubMenus.Add((HMENU)nID);
		m_SubMenus.InsertAt(nPosition,(HMENU)nID);
	}
	
	CMenuExtData *mdata = new CMenuExtData;
	m_MenuList.InsertAt(nPosition,mdata);
	mdata->SetWideString(lpstrText);	//SK: modified for dynamic allocation
	
	mdata->menuIconNormal = nIconNormal;
	mdata->xoffset=-1;
	if(nIconNormal>=0){
		mdata->xoffset=0;
		LoadFromToolBar(nID,nIconNormal,mdata->xoffset);
		if(mdata->bitmap)mdata->bitmap->DeleteImageList();
		else mdata->bitmap=new(CImageList);
		mdata->bitmap->Create(m_iconX,m_iconY,ILC_COLORDDB|ILC_MASK,1,1);
		if(!AddBitmapToImageList(mdata->bitmap,nIconNormal)){
			mdata->bitmap->DeleteImageList();
			delete mdata->bitmap;
			mdata->bitmap=NULL;
			mdata->menuIconNormal = nIconNormal = -1;
			mdata->xoffset = -1;
		}
	}
	mdata->nFlags = nFlags;
	mdata->nID = nID;
	return(CMenu::InsertMenu(nPosition,nFlags,nID,(LPCTSTR)mdata));
}

BOOL CMenuExt::InsertODMenuA(UINT nPosition,LPCSTR lpstrText,UINT nFlags,UINT nID,
						   CImageList *il,int xoffset)
{
	USES_CONVERSION;
	return InsertODMenuW(nPosition,A2W(lpstrText),nFlags,nID,il,xoffset);
}

BOOL CMenuExt::InsertODMenuW(UINT nPosition,wchar_t *lpstrText,UINT nFlags,UINT nID,
						   CImageList *il,int xoffset)
{
	// Add the MF_OWNERDRAW flag if not specified:
	if(!nID)nFlags=MF_SEPARATOR|MF_OWNERDRAW;
	else if(!(nFlags & MF_OWNERDRAW))nFlags |= MF_OWNERDRAW;
	
	if(nFlags & MF_POPUP){
		m_AllSubMenus.Add((HMENU)nID);
		m_SubMenus.InsertAt(nPosition,(HMENU)nID);
	}
	
	CMenuExtData *mdata = new CMenuExtData;
	m_MenuList.InsertAt(nPosition,mdata);
	mdata->SetWideString(lpstrText);	//SK: modified for dynamic allocation
	
	if(il){
		mdata->menuIconNormal = 0;
		mdata->xoffset=0;
		if(mdata->bitmap)mdata->bitmap->DeleteImageList();
		else mdata->bitmap=new(CImageList);
		ImageListDuplicate(il,xoffset,mdata->bitmap);
	}
	else{
		mdata->menuIconNormal = -1;
		mdata->xoffset = -1;
	}
	mdata->nFlags = nFlags;
	mdata->nID = nID;
	return(CMenu::InsertMenu(nPosition,nFlags,nID,(LPCTSTR)mdata));
}

BOOL CMenuExt::ModifyODMenuA(const char * lpstrText,UINT nID,int nIconNormal)
{
	USES_CONVERSION;
	return ModifyODMenuW(A2W(lpstrText),nID,nIconNormal);
}

BOOL CMenuExt::ModifyODMenuW(wchar_t *lpstrText,UINT nID,int nIconNormal)
{
	int nLoc;
	CMenuExtData *mdata;

	// 采用递归方法遍历所有的菜单,查找nID
	CMenuExt *pSubMenu = FindMenuOption(nID,nLoc);
	if(pSubMenu && nLoc>=0)
		mdata = pSubMenu->m_MenuList[nLoc];
	else
	{
		mdata = new CMenuExtData;
		m_MenuList.Add(mdata);
	}

	if(lpstrText) mdata->SetWideString(lpstrText);
	mdata->menuIconNormal = nIconNormal;
	mdata->xoffset = -1;
	if(nIconNormal >= 0)
	{
		mdata->xoffset = 0;
		// 找出nID命令菜单项在nIconNormal工具条中的位图偏移量(本行代码放在了mdata->xoffset)
		LoadFromToolBar(nID,nIconNormal,mdata->xoffset);
		if(mdata->bitmap)
			mdata->bitmap->DeleteImageList();
		else
			mdata->bitmap = new CImageList;
		mdata->bitmap->Create(m_iconX,m_iconY,ILC_COLORDDB|ILC_MASK,1,1);
		if(!AddBitmapToImageList(mdata->bitmap,nIconNormal))
		{
			mdata->bitmap->DeleteImageList();
			delete mdata->bitmap;
			mdata->bitmap=NULL;
			mdata->menuIconNormal = nIconNormal = -1;
			mdata->xoffset = -1;
		}
	}

	mdata->nFlags = MF_BYCOMMAND | MF_OWNERDRAW;
	mdata->nID = nID;

	return (CMenu::ModifyMenu(nID,mdata->nFlags,nID,(LPCTSTR)mdata));
}

BOOL CMenuExt::ModifyODMenuA(const char * lpstrText,UINT nID,CImageList *il,int xoffset)
{
	USES_CONVERSION;
	return ModifyODMenuW(A2W(lpstrText),nID,il,xoffset);
}

BOOL CMenuExt::ModifyODMenuW(wchar_t *lpstrText,UINT nID,CImageList *il,int xoffset)
{
	int nLoc;
	CMenuExtData *mdata;
	
	// Find the old CMenuExtData structure:
	CMenuExt *psubmenu = FindMenuOption(nID,nLoc);
	if(psubmenu && nLoc>=0)mdata = psubmenu->m_MenuList[nLoc];
	else{
		// Create a new CMenuExtData structure:
		mdata = new CMenuExtData;
		m_MenuList.Add(mdata);
	}
	
	ASSERT(mdata);
	if(lpstrText)
		mdata->SetWideString(lpstrText);  //SK: modified for dynamic allocation
	if(il){
		mdata->menuIconNormal = 0;
		mdata->xoffset=0;
		if(mdata->bitmap)mdata->bitmap->DeleteImageList();
		else mdata->bitmap=new(CImageList);
		ImageListDuplicate(il,xoffset,mdata->bitmap);
	}
	else{
		mdata->menuIconNormal = -1;
		mdata->xoffset = -1;
	}
	mdata->nFlags = MF_BYCOMMAND | MF_OWNERDRAW;
	mdata->nID = nID;
	return (CMenu::ModifyMenu(nID,mdata->nFlags,nID,(LPCTSTR)mdata));
}

BOOL CMenuExt::ModifyODMenuA(const char * lpstrText,UINT nID,CBitmap *bmp)
{
	USES_CONVERSION;
	return ModifyODMenuW(A2W(lpstrText),nID,bmp);
}

BOOL CMenuExt::ModifyODMenuW(wchar_t *lpstrText,UINT nID,CBitmap *bmp)
{
	if(bmp){
		CImageList temp;
		temp.Create(m_iconX,m_iconY,ILC_COLORDDB|ILC_MASK,1,1);
		if(m_bitmapBackgroundFlag)temp.Add(bmp,m_bitmapBackground);
		else temp.Add(bmp,GetSysColor(COLOR_3DFACE));
		return ModifyODMenuW(lpstrText,nID,&temp,0);
	}
	return ModifyODMenuW(lpstrText,nID,NULL,0);
}


BOOL CMenuExt::ModifyODMenuA(const char *lpstrText,const char *OptionText,
						   int nIconNormal)
{
	USES_CONVERSION;
	return ModifyODMenuW(A2W(lpstrText),A2W(OptionText),nIconNormal);//SK: see MFC	Tech Note 059
}

BOOL CMenuExt::ModifyODMenuW(wchar_t *lpstrText,wchar_t *OptionText,
						   int nIconNormal)
{
	CMenuExtData *mdata;
	
	// Find the old CMenuExtData structure:
	CString junk=OptionText;
	mdata=FindMenuOption(OptionText);
	if(mdata){
		if(lpstrText)
			mdata->SetWideString(lpstrText);//SK: modified for dynamic allocation
		mdata->menuIconNormal = nIconNormal;
		mdata->xoffset=-1;
		if(nIconNormal>=0){
			mdata->xoffset=0;
			if(mdata->bitmap)mdata->bitmap->DeleteImageList();
			else mdata->bitmap=new(CImageList);
			mdata->bitmap->Create(m_iconX,m_iconY,ILC_COLORDDB|ILC_MASK,1,1);
			if(!AddBitmapToImageList(mdata->bitmap,nIconNormal)){
				mdata->bitmap->DeleteImageList();
				delete mdata->bitmap;
				mdata->bitmap=NULL;
				mdata->menuIconNormal = nIconNormal = -1;
				mdata->xoffset = -1;
			}
		}
		return(TRUE);
	}
	return(FALSE);
}

CMenuExtData *CMenuExt::NewODMenu(UINT pos,UINT nFlags,UINT nID,CString string)
{
	CMenuExtData *mdata;
	
	mdata = new CMenuExtData;
	mdata->menuIconNormal = -1;
	mdata->xoffset=-1;
#ifdef UNICODE
	mdata->SetWideString((LPCTSTR)string);//SK: modified for dynamic allocation
#else
	mdata->SetAnsiString(string);
#endif
	mdata->nFlags = nFlags;
	mdata->nID = nID;
	
	if(nFlags & MF_POPUP)m_AllSubMenus.Add((HMENU)nID);
	
	if (nFlags&MF_OWNERDRAW){
		ASSERT(!(nFlags&MF_STRING));
		ModifyMenu(pos,nFlags,nID,(LPCTSTR)mdata);
	}
	else if (nFlags&MF_STRING){
		ASSERT(!(nFlags&MF_OWNERDRAW));
		ModifyMenu(pos,nFlags,nID,mdata->GetString());
	}
	else{
		ASSERT(nFlags&MF_SEPARATOR);
		ModifyMenu(pos,nFlags,nID);
	}
	
	return(mdata);
};

BOOL CMenuExt::LoadToolbars(const UINT *arID,int n)
{
	ASSERT(arID);
	BOOL returnflag=TRUE;
	for(int i=0;i<n;++i){
		if(!LoadToolbar(arID[i]))returnflag=FALSE;
	}
	return(returnflag);
}

BOOL CMenuExt::LoadToolbar(UINT nToolBar)
{
	UINT nID;
	CToolBar Toolbar;

	Toolbar.Create(AfxGetMainWnd());
	if(Toolbar.LoadToolBar(nToolBar))
	{
		for(int i=0;i<Toolbar.GetCount();++i)
		{
			nID = Toolbar.GetItemID(i); //从工具条里找命令nID
			if(nID && GetMenuState(nID, MF_BYCOMMAND) != 0xFFFFFFFF)
			{
				// 菜单中也发现了命令nID,因此可以修改了(主要目的是加上相应的位图)
				ModifyODMenu(NULL,nID,nToolBar);
			}
		}
		return TRUE;
	}

	return FALSE;
}

BOOL CMenuExt::LoadFromToolBar(UINT nID,UINT nToolBar,int& xoffset)
{
	int xset,offset;
	UINT nStyle;
	CToolBar Toolbar;

	Toolbar.Create(AfxGetMainWnd());
	if(Toolbar.LoadToolBar(nToolBar))
	{
		offset = Toolbar.CommandToIndex(nID); //命令nID的偏移量
		if(offset >= 0)
		{
			Toolbar.GetButtonInfo(offset,nID,nStyle,xset);
			if(xset > 0) xoffset = xset; //图形在位图中的偏移量
			return TRUE;
		}
	}

	return FALSE;
}

CMenuExtData *CMenuExt::FindMenuItem(UINT nID)
{