cjmenu.cpp

类似vc6的集成开发环境的源代码

}


/*
==========================================================================
void CCJMenu::MeasureItem(LPMEASUREITEMSTRUCT)
---------------------------------------------

Called by the framework when it wants to know what the width and height
of our item will be.  To accomplish this we provide the width of the
icon plus the width of the menu text, and then the height of the icon.

==========================================================================
*/
	
void CCJMenu::MeasureItem( LPMEASUREITEMSTRUCT lpMIS )
{
	UINT state = (((CCJMenuData*)(lpMIS->itemData))->nFlags);
	if(state & MF_SEPARATOR){
		lpMIS->itemWidth = 0;
		lpMIS->itemHeight = GetSystemMetrics(SM_CYMENU)>>1;
	}
	else{
		CFont m_fontMenu;
		LOGFONT m_lf;
		ZeroMemory ((PVOID) &m_lf,sizeof (LOGFONT));
		NONCLIENTMETRICS nm;
		nm.cbSize = sizeof (NONCLIENTMETRICS);
		VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
			nm.cbSize,&nm,0)); 
		m_lf =  nm.lfMenuFont;
		m_fontMenu.CreateFontIndirect (&m_lf);
		
		// Obtain the width of the text:
		CWnd *pWnd = AfxGetMainWnd();            // Get main window
		CDC *pDC = pWnd->GetDC();              // Get device context
		CFont* pFont=NULL;    // Select menu font in...
		
		if (IsNewShell())
			pFont = pDC->SelectObject (&m_fontMenu);// Select menu font in...
		
		//Get pointer to text SK
		const wchar_t *lpstrText = ((CCJMenuData*)(lpMIS->itemData))->GetWideString();//SK: we use const to prevent misuse
		
		
		SIZE size;
		
		if (Win32s!=g_Shell)
			VERIFY(::GetTextExtentPoint32W(pDC->m_hDC,lpstrText,
			wcslen(lpstrText),&size)); //SK should also work on 95
#ifndef UNICODE //can't be UNICODE for Win32s
		else{//it's Win32suckx
			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);
			//+3 makes at least three pixels space to the menu border
			size.cx=rect.right-rect.left+3;
			size.cx += 3*(size.cx/wcslen(lpstrText));
		}
#endif    
		
		CSize t = CSize(size);
		if(IsNewShell())
			pDC->SelectObject (pFont);  // Select old font in
		AfxGetMainWnd()->ReleaseDC(pDC);  // Release the DC
		
		// Set width and height:
		
		lpMIS->itemWidth = m_iconX + t.cx + m_iconX + GAP;
		int temp = GetSystemMetrics(SM_CYMENU);
		lpMIS->itemHeight = temp>m_iconY+4 ? temp : m_iconY+4;
		m_fontMenu.DeleteObject();
	}
}

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

BOOL CCJMenu::AppendODMenuA(LPCSTR lpstrText,UINT nFlags,UINT nID,
						   int nIconNormal)
{
	ASSERT(lpstrText);
	USES_CONVERSION;
	return AppendODMenuW(A2W(lpstrText),nFlags,nID,nIconNormal);//SK: See MFC Tech Note 059
}


BOOL CCJMenu::AppendODMenuW(wchar_t *lpstrText,UINT nFlags,UINT nID,
						   int nIconNormal)
{
	// Add the MF_OWNERDRAW flag if not specified:
	ASSERT(lpstrText);
	if(!nID)nFlags=MF_SEPARATOR|MF_OWNERDRAW;
	else if(!(nFlags & MF_OWNERDRAW))nFlags |= MF_OWNERDRAW;
	
	CCJMenuData *mdata = new CCJMenuData;
	m_MenuList.Add(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);
		AddBitmapToImageList(mdata->bitmap,nIconNormal);
	}
	mdata->nFlags = nFlags;
	mdata->nID = nID;
	return(CMenu::AppendMenu(nFlags, nID, (LPCTSTR)mdata));
}


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

BOOL CCJMenu::ModifyODMenuW(wchar_t *lpstrText,UINT nID,int nIconNormal)
{
	int nLoc;
	CCJMenuData *mdata;
	
	// Find the old CCJMenuData structure:
	CCJMenu *psubmenu = FindMenuOption(nID,nLoc);
	if(psubmenu && nLoc>=0)mdata = psubmenu->m_MenuList[nLoc];
	else{
		// Create a new CCJMenuData structure:
		mdata = new CCJMenuData;
		m_MenuList.Add(mdata);
	}
	ASSERT(mdata);
	if(lpstrText)
		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);
		AddBitmapToImageList(mdata->bitmap,nIconNormal);
	}
	mdata->nFlags = MF_BYCOMMAND | MF_OWNERDRAW;
	mdata->nID = nID;
	return (CMenu::ModifyMenu(nID,mdata->nFlags,nID,(LPCTSTR)mdata));
}


BOOL CCJMenu::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 CCJMenu::ModifyODMenuW(wchar_t *lpstrText,wchar_t *OptionText,
						   int nIconNormal)
{
	CCJMenuData *mdata;
	
	// Find the old CCJMenuData 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);
			AddBitmapToImageList(mdata->bitmap,nIconNormal);
		}
		return(TRUE);
	}
	return(FALSE);
}

CCJMenuData *CCJMenu::NewODMenu(UINT pos,UINT nFlags,UINT nID,CString string)
{
	CCJMenuData *mdata;
	
	mdata = new CCJMenuData;
	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_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 CCJMenu::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 CCJMenu::LoadToolbar(UINT nToolBar)
{
	UINT nID;
	BOOL returnflag=FALSE;
	CToolBar bar;
	
	bar.Create(AfxGetMainWnd());
	if(bar.LoadToolBar(nToolBar)){
		for(int i=0;i<bar.GetCount();++i){
			nID = bar.GetItemID(i); 
			if(nID && GetMenuState(nID, MF_BYCOMMAND)
				!=0xFFFFFFFF)ModifyODMenu(NULL,nID,nToolBar);
		}
		returnflag=TRUE;
	}
	return(returnflag);
}

BOOL CCJMenu::LoadFromToolBar(UINT nID,UINT nToolBar,int& xoffset)
{
	int xset,offset;
	UINT nStyle;
	BOOL returnflag=FALSE;
	CToolBar bar;
	
	bar.Create(AfxGetMainWnd());
	if(bar.LoadToolBar(nToolBar)){
		offset=bar.CommandToIndex(nID);
		if(offset>=0){
			bar.GetButtonInfo(offset,nID,nStyle,xset);
			if(xset>0)xoffset=xset;
			returnflag=TRUE;
		}
	}
	return(returnflag);
}

CCJMenu *CCJMenu::FindMenuOption(int nId,int& nLoc)
{
	int i;
	CCJMenu *psubmenu,*pgoodmenu;
	
	for(i=0;i<(int)(GetMenuItemCount());++i){
#ifdef _CPPRTTI 
		psubmenu=dynamic_cast<CCJMenu *>(GetSubMenu(i));
#else
		psubmenu=(CCJMenu *)GetSubMenu(i);
#endif
		if(psubmenu){
			pgoodmenu=psubmenu->FindMenuOption(nId,nLoc);
			if(pgoodmenu)return(pgoodmenu);
		}
		else if(nId==(int)GetMenuItemID(i)){
			nLoc=i;
			return(this);
		}
	}
	nLoc = -1;
	return(NULL);
}

CCJMenuData *CCJMenu::FindMenuOption(wchar_t *lpstrText)
{
	int i,j;
	CCJMenu *psubmenu;
	CCJMenuData *pmenulist;
	
	for(i=0;i<(int)(GetMenuItemCount());++i){
#ifdef _CPPRTTI 
		psubmenu=dynamic_cast<CCJMenu *>(GetSubMenu(i));
#else
		psubmenu=(CCJMenu *)GetSubMenu(i);
#endif
		if(psubmenu){
			pmenulist=psubmenu->FindMenuOption(lpstrText);
			if(pmenulist)return(pmenulist);
		}
		else{
			const wchar_t *szWide;//SK: we use const to prevent misuse of this Ptr
			for(j=0;j<=m_MenuList.GetUpperBound();++j){     
				szWide = m_MenuList[j]->GetWideString ();
				if(szWide && !wcscmp(lpstrText,szWide))//SK: modified for dynamic allocation
					return(m_MenuList[j]);
			}
		}
	}
	return(NULL);
}


BOOL CCJMenu::LoadMenu(int nResource)
{
	return(CCJMenu::LoadMenu(MAKEINTRESOURCE(nResource)));
};

BOOL CCJMenu::LoadMenu(LPCTSTR lpszResourceName)
{
	TRACE(_T(
		"IMPORTANT:Use CCJMenu::DestroyMenu to destroy Loaded Menu's\n"));
	ASSERT_VALID(this);
	ASSERT(lpszResourceName != NULL);
	
	// Find the Menu Resource:
	HINSTANCE m_hInst = AfxFindResourceHandle(lpszResourceName,RT_MENU);
	HRSRC hRsrc = ::FindResource(m_hInst,lpszResourceName,RT_MENU);
	if(hRsrc == NULL)return FALSE;
	
	// Load the Menu Resource:
	
	HGLOBAL hGlobal = LoadResource(m_hInst, hRsrc);
	if(hGlobal == NULL)return FALSE;
	
	// Attempt to create us as a menu...
	
	if(!CMenu::CreateMenu())return FALSE;
	
	// Get Item template Header, and calculate offset of MENUITEMTEMPLATES
	
	MENUITEMTEMPLATEHEADER *pTpHdr=
		(MENUITEMTEMPLATEHEADER*)LockResource(hGlobal);
	BYTE* pTp=(BYTE*)pTpHdr + 
		(sizeof(MENUITEMTEMPLATEHEADER) + pTpHdr->offset);
	
	
	// Variables needed during processing of Menu Item Templates:
	
	int j=0;
	WORD    dwFlags = 0;              // Flags of the Menu Item
	WORD    dwID  = 0;              // ID of the Menu Item
	UINT    uFlags;                  // Actual Flags.
	wchar_t *szCaption=NULL;
	int      nLen   = 0;                // Length of caption
	CTypedPtrArray<CPtrArray, CCJMenu*>  m_Stack;    // Popup menu stack
	CArray<BOOL,BOOL>  m_StackEnd;    // Popup menu stack
	m_Stack.Add(this);                  // Add it to this...
	m_StackEnd.Add(FALSE);
	
	do{
		// Obtain Flags and (if necessary), the ID...
		memcpy(&dwFlags, pTp, sizeof(WORD));pTp+=sizeof(WORD);// Obtain Flags
		if(!(dwFlags & MF_POPUP)){
			memcpy(&dwID, pTp, sizeof(WORD)); // Obtain ID
			pTp+=sizeof(WORD);
		}
		else dwID = 0;
		
		uFlags = (UINT)dwFlags; // Remove MF_END from the flags that will
		if(uFlags & MF_END) // be passed to the Append(OD)Menu functions.
			uFlags -= MF_END;
		
		// Obtain Caption (and length)
		
		nLen = 0;
		szCaption=new wchar_t[wcslen((wchar_t *)pTp)+1];
		wcscpy(szCaption,(wchar_t *)pTp);
		pTp=&pTp[(wcslen((wchar_t *)pTp)+1)*sizeof(wchar_t)];//modified SK
		
		// Handle popup menus first....
		
		//WideCharToMultiByte
		if(dwFlags & MF_POPUP){
			if(dwFlags & MF_END)m_StackEnd.SetAt(m_Stack.GetUpperBound(),TRUE);
			CCJMenu* pSubMenu = new CCJMenu;
			pSubMenu->m_unselectcheck=m_unselectcheck;
			pSubMenu->m_selectcheck=m_selectcheck;
			pSubMenu->checkmaps=checkmaps;
			pSubMenu->checkmapsshare=TRUE;
			pSubMenu->CreatePopupMenu();
			
			// Append it to the top of the stack:
			
			m_Stack[m_Stack.GetUpperBound()]->AppendODMenuW(szCaption,uFlags,
				(UINT)pSubMenu->m_hMenu, -1);
			m_Stack.Add(pSubMenu);
			m_StackEnd.Add(FALSE);
			m_SubMenus.Add(pSubMenu);
		}
		else {
			m_Stack[m_Stack.GetUpperBound()]->AppendODMenuW(szCaption, uFlags,
				dwID, -1);
			if(dwFlags & MF_END)m_StackEnd.SetAt(m_Stack.GetUpperBound(),TRUE);
			j = m_Stack.GetUpperBound();
			while(j>=0 && m_StackEnd.GetAt(j)){
				m_Stack[m_Stack.GetUpperBound()]->InsertSpaces();
				m_Stack.RemoveAt(j);
				m_StackEnd.RemoveAt(j);
				--j;
			}
		}
		
		delete[] szCaption;
	}while(m_Stack.GetUpperBound() != -1);
	
	for(int i=0;i<(int)GetMenuItemCount();++i){
		CString str=m_MenuList[i]->GetString();
		
		if(GetSubMenu(i)){
			m_MenuList[i]->nFlags=MF_POPUP|MF_BYPOSITION;
			ModifyMenu(i,MF_POPUP|MF_BYPOSITION,
				(UINT)GetSubMenu(i)->m_hMenu,str);
		}
		else{
			m_MenuList[i]->nFlags=MF_STRING|MF_BYPOSITION;
			ModifyMenu(i,MF_STRING|MF_BYPOSITION,m_MenuList[i]->nID,str);
		}
	}
	
	return(TRUE);
}

void CCJMenu::InsertSpaces(void)
{
	int i,j,numitems,maxlength;
	CString string,newstring;
	CSize t;
	CFont m_fontMenu;
	LOGFONT m_lf;
	
	ZeroMemory ((PVOID) &m_lf,sizeof (LOGFONT));
	NONCLIENTMETRICS nm;
	nm.cbSize = sizeof (NONCLIENTMETRICS);
	VERIFY (SystemParametersInfo (SPI_GETNONCLIENTMETRICS,nm.cbSize,&nm,0)); 
	m_lf =  nm.lfMenuFont;
	m_fontMenu.CreateFontIndirect (&m_lf);
	
	CWnd *pWnd = AfxGetMainWnd();  
	CDC *pDC = pWnd->GetDC();
	CFont* pFont = pDC->SelectObject (&m_fontMenu);
	
	numitems=GetMenuItemCount();
	maxlength = -1;
	for(i=0;i<numitems;++i){
		string=m_MenuList[i]->GetString();