bcmenu.cpp

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						pDC->Draw3dRect(rect2,GetSysColor(COLOR_3DSHADOW),
						GetSysColor(COLOR_3DHILIGHT));
				}
				else
				{
					pDC->FillRect (rect2,&m_brBackground);
					rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
                        rect.top+m_iconY+4+dy);
					pDC->Draw3dRect (rect2,m_clrBack,m_clrBack);
				}
				CPoint ptImage(rect.left+2,rect.top+2+dy);
				if(bitmap)bitmap->Draw(pDC,xoffset,ptImage,ILD_TRANSPARENT);
			}
		}
		if(nIconNormal<0 && state&ODS_CHECKED && !checkflag)
		{
			rect2.SetRect(rect.left+1,rect.top+2+dy,rect.left+m_iconX+1,
				rect.top+m_iconY+2+dy);
			CMenuItemInfo info;
			info.fMask = MIIM_CHECKMARKS;
			::GetMenuItemInfo((HMENU)lpDIS->hwndItem,lpDIS->itemID,
				MF_BYCOMMAND, &info);
			if(state&ODS_CHECKED || info.hbmpUnchecked)
			{
				Draw3DCheckmark(pDC, rect2, state&ODS_SELECTED,
					state&ODS_CHECKED ? info.hbmpChecked :
				info.hbmpUnchecked);
			}
		}
		
		//This is needed always so that we can have the space for check marks
		
		x0=rect.left;y0=rect.top;
		rect.left = rect.left + m_iconX + 8 + GAP; 
		
		if(!strText.IsEmpty())
		{
			
			CRect rectt(rect.left,rect.top-1,rect.right,rect.bottom-1);
			
			//   Find tabs
			
			CString leftStr,rightStr;
			leftStr.Empty();rightStr.Empty();
			int tablocr=strText.ReverseFind(_T('\t'));
			if(tablocr!=-1)
			{
				rightStr=strText.Mid(tablocr+1);
				leftStr=strText.Left(strText.Find(_T('\t')));
				rectt.right-=m_iconX;
			}
			else leftStr=strText;
			
			int iOldMode = pDC->GetBkMode();
			pDC->SetBkMode( TRANSPARENT);
			
			// Draw the text in the correct colour:
			
			UINT nFormat  = DT_LEFT|DT_SINGLELINE|DT_VCENTER;
			UINT nFormatr = DT_RIGHT|DT_SINGLELINE|DT_VCENTER;
			if(!(lpDIS->itemState & ODS_GRAYED))
			{
				pDC->SetTextColor(crText);
				pDC->DrawText (leftStr,rectt,nFormat);
				if(tablocr!=-1) pDC->DrawText (rightStr,rectt,nFormatr);
			}
			else
			{				
				// Draw the disabled text
				if(!(state & ODS_SELECTED))
				{
					RECT offset = *rectt;
					offset.left+=1;
					offset.right+=1;
					offset.top+=1;
					offset.bottom+=1;
					pDC->SetTextColor(GetSysColor(COLOR_BTNHILIGHT));
					pDC->DrawText(leftStr,&offset, nFormat);
					if(tablocr!=-1) pDC->DrawText (rightStr,&offset,nFormatr);
					pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
					pDC->DrawText(leftStr,rectt, nFormat);
					if(tablocr!=-1) pDC->DrawText (rightStr,rectt,nFormatr);
				}
				else
				{
					// And the standard Grey text:
					pDC->SetTextColor(m_clrBack);
					pDC->DrawText(leftStr,rectt, nFormat);
					if(tablocr!=-1) pDC->DrawText (rightStr,rectt,nFormatr);
				}
			}
			pFont = pDC->SelectObject (&dispFont);
			pDC->SetBkMode( iOldMode );
			pDC->SelectObject (pFont); //set it to the old font
		}
		
		m_penBack.DeleteObject();
		m_fontMenu.DeleteObject();
		m_brSelect.DeleteObject();
		dispFont.DeleteObject ();
	}
	m_brBackground.DeleteObject();
}

COLORREF BCMenu::LightenColor(COLORREF col,double factor)
{
	if(factor>0.0&&factor<=1.0){
		BYTE red,green,blue,lightred,lightgreen,lightblue;
		red = GetRValue(col);
		green = GetGValue(col);
		blue = GetBValue(col);
		lightred = (BYTE)((factor*(255-red)) + red);
		lightgreen = (BYTE)((factor*(255-green)) + green);
		lightblue = (BYTE)((factor*(255-blue)) + blue);
		col = RGB(lightred,lightgreen,lightblue);
	}
	return(col);
}
//以XP的风格画菜单 
void BCMenu::DrawItem_WinXP (LPDRAWITEMSTRUCT lpDIS)
{
	ASSERT(lpDIS != NULL);
	CDC* pDC = CDC::FromHandle(lpDIS->hDC);
#ifdef BCMENU_USE_MEMDC
	BCMenuMemDC *pMemDC=NULL;
#endif
	CRect rect,rect2;
	UINT state = (((BCMenuData*)(lpDIS->itemData))->nFlags);
//	COLORREF m_newclrBack=GetSysColor((IsNewShell())?COLOR_3DFACE:COLOR_MENU);
	//这个颜色可以改变左边的一个条形颜色
	COLORREF m_newclrBack=RGB(250,184,244);
	//这个颜色可以改变菜单的表面颜色
//	COLORREF m_clrBack=GetSysColor(COLOR_MENU);
	COLORREF m_clrBack=RGB(250,250,220);
//	COLORREF m_clrBack=GetSysColor(COLOR_3DFACE);
	//
	BOOL XPflag = m_newclrBack==m_clrBack ? FALSE : TRUE;
	if(!XPflag)
	{
		m_newclrBack=LightenColor(m_newclrBack,0.35);
		m_clrBack=RGB(255,255,255);
	}
	CBrush m_newbrBackground,m_brBackground;
	m_brBackground.CreateSolidBrush(m_clrBack);
	m_newbrBackground.CreateSolidBrush(m_newclrBack);
	
	// remove the selected bit if it's grayed out
	if(lpDIS->itemState & ODS_GRAYED&&!xp_select_disabled)
	{
		if(lpDIS->itemState & ODS_SELECTED)lpDIS->itemState=lpDIS->itemState & ~ODS_SELECTED;
#ifdef BCMENU_USE_MEMDC
		pMemDC=new BCMenuMemDC(pDC,&lpDIS->rcItem);
		pDC = pMemDC;
#endif

	}
	
	if(state & MF_SEPARATOR)
	{
		rect.CopyRect(&lpDIS->rcItem);
		pDC->FillRect (rect,&m_brBackground);
		rect2.SetRect(rect.left,rect.top,rect.left+m_iconX+4+GAP,rect.bottom);
		rect.top+=rect.Height()>>1;
		rect.left = rect2.right+4;
		pDC->DrawEdge(&rect,EDGE_ETCHED,BF_TOP);
		pDC->FillRect (rect2,&m_newbrBackground);
		pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
	}
	else
	{
		BOOL standardflag=FALSE,selectedflag=FALSE,disableflag=FALSE;
		BOOL checkflag=FALSE;
		COLORREF crText = GetSysColor(COLOR_MENUTEXT);
		COLORREF crSelect = GetSysColor(COLOR_HIGHLIGHT);
		COLORREF crSelectFill;
		if(!XPflag)crSelectFill=LightenColor(crSelect,0.85);
		else crSelectFill=LightenColor(crSelect,0.7);
		CBrush m_brSelect;
		CPen m_penBack;
		int x0,y0,dy;
		int nIconNormal=-1,xoffset=-1;
		CImageList *bitmap=NULL;
		CFont m_fontMenu;
		LOGFONT m_lf;
		
		// set some colors and the font
		m_penBack.CreatePen (PS_SOLID,0,m_clrBack);
		m_brSelect.CreateSolidBrush(crSelectFill);
		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);
		
		// draw the colored rectangle portion
		
		rect.CopyRect(&lpDIS->rcItem);
		rect2=rect;
		
		// draw the up/down/focused/disabled state
		
		UINT state = lpDIS->itemState;
		CString strText;
		LOGFONT lf;
		lf = m_lf;
		
		CFont dispFont;
		CFont *pFont=NULL;
		
		if(lpDIS->itemData != NULL)
		{
			nIconNormal = (((BCMenuData*)(lpDIS->itemData))->menuIconNormal);
			xoffset = (((BCMenuData*)(lpDIS->itemData))->xoffset);
			bitmap = (((BCMenuData*)(lpDIS->itemData))->bitmap);
			strText = ((BCMenuData*) (lpDIS->itemData))->GetString();
			
			if(state&ODS_CHECKED && nIconNormal<0)
			{
				if(state&ODS_SELECTED && m_selectcheck>0)checkflag=TRUE;
				else if(m_unselectcheck>0) checkflag=TRUE;
			}
			else if(nIconNormal != -1)
			{
				standardflag=TRUE;
				if(state&ODS_SELECTED && !(state&ODS_GRAYED))selectedflag=TRUE;
				else if(state&ODS_GRAYED) disableflag=TRUE;
			}
		}
		else
		{
			strText.Empty();
		}
		
		if(state&ODS_SELECTED)
		{
			// draw the down edges			
			CPen *pOldPen = pDC->SelectObject (&m_penBack);
			
			pDC->FillRect (rect,&m_brSelect);
			pDC->Draw3dRect (rect,crSelect,crSelect);
			
			pDC->SelectObject (pOldPen);
			if((HFONT)dispFont != NULL)dispFont.DeleteObject ();
			dispFont.CreateFontIndirect (&lf);
		}
		else 
		{
			rect2.SetRect(rect.left,rect.top,rect.left+m_iconX+4+GAP,rect.bottom);
			CPen *pOldPen = pDC->SelectObject (&m_penBack);
			pDC->FillRect (rect,&m_brBackground);
			pDC->FillRect (rect2,&m_newbrBackground);
			pDC->SelectObject (pOldPen);
			
			// draw the up edges
			
			pDC->Draw3dRect (rect,m_clrBack,m_clrBack);
			pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
			if ((HFONT)dispFont != NULL) dispFont.DeleteObject ();
			dispFont.CreateFontIndirect (&lf); //Normal
		}
		
		// draw the text if there is any
		//We have to paint the text only if the image is nonexistant
		
		dy = (rect.Height()-4-m_iconY)/2;
		dy = dy<0 ? 0 : dy;
		
		if(checkflag||standardflag||selectedflag||disableflag)
		{
			rect2.SetRect(rect.left+1,rect.top+1+dy,rect.left+m_iconX+3,
				rect.top+m_iconY+3+dy);
			pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
			if(checkflag && checkmaps)
			{
				pDC->FillRect (rect2,&m_newbrBackground);
				rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
					rect.top+m_iconY+4+dy);
				
				pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
				CPoint ptImage(rect.left+3,rect.top+2+dy);
				
				if(state&ODS_SELECTED)checkmaps->Draw(pDC,1,ptImage,ILD_TRANSPARENT);
				else checkmaps->Draw(pDC,0,ptImage,ILD_TRANSPARENT);
			}
			else if(disableflag)
			{
				if(!selectedflag)
				{
					CBitmap bitmapstandard;
					GetBitmapFromImageList(pDC,bitmap,xoffset,bitmapstandard);
					rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
                        rect.top+m_iconY+4+dy);
					pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
					COLORREF transparentcol=m_newclrBack;
					if(state&ODS_SELECTED)transparentcol=crSelectFill;
					if(disable_old_style)
						DitherBlt(lpDIS->hDC,rect.left+2,rect.top+2+dy,m_iconX,m_iconY,
						(HBITMAP)(bitmapstandard),0,0,transparentcol);
					else
						DitherBlt2(pDC,rect.left+2,rect.top+2+dy,m_iconX,m_iconY,
						bitmapstandard,0,0,transparentcol);
					if(state&ODS_SELECTED)pDC->Draw3dRect (rect,crSelect,crSelect);
					bitmapstandard.DeleteObject();
				}
			}
			else if(selectedflag)
			{
				pDC->FillRect (rect2,&m_brSelect);
				if (IsNewShell() && state&ODS_CHECKED)
				{
					rect2.SetRect(rect.left,rect.top,rect.left+m_iconX+GAP+3,rect.bottom);
					pDC->Draw3dRect(rect2,crSelect,crSelect);
				}
				CPoint ptImage(rect.left+3,rect.top+2+dy);
				if(bitmap)bitmap->Draw(pDC,xoffset,ptImage,ILD_TRANSPARENT);
			}
			else
			{
				if(state&ODS_CHECKED)
				{
					if(!XPflag)rect2.SetRect(rect.left+1,rect.top,rect.left+m_iconX+GAP+3,rect.bottom);
					else rect2.SetRect(rect.left+1,rect.top,rect.left+m_iconX+GAP+3,rect.bottom-1);
					CBrush brushin;
					brushin.CreateSolidBrush(LightenColor(crSelect,0.85));
					pDC->FillRect(rect2,&brushin);
					brushin.DeleteObject();
					pDC->Draw3dRect(rect2,crSelect,crSelect);
				}
				else
				{
					pDC->FillRect (rect2,&m_newbrBackground);
					rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
                        rect.top+m_iconY+4+dy);
					pDC->Draw3dRect (rect2,m_newclrBack,m_newclrBack);
				}
				CPoint ptImage(rect.left+3,rect.top+2+dy);
				if(bitmap)bitmap->Draw(pDC,xoffset,ptImage,ILD_TRANSPARENT);
			}
		}
		if(nIconNormal<0 && state&ODS_CHECKED && !checkflag)
		{
			CMenuItemInfo info;
			info.fMask = MIIM_CHECKMARKS;
			::GetMenuItemInfo((HMENU)lpDIS->hwndItem,lpDIS->itemID,
				MF_BYCOMMAND, &info);
			if(state&ODS_CHECKED || info.hbmpUnchecked) 
			{
				if(XPflag)rect2.SetRect(rect.left+2,rect.top+2+dy,rect.left+m_iconX+2,rect.top+m_iconY+3+dy);
				else rect2.SetRect(rect.left+2,rect.top+2+dy,rect.left+m_iconX+2,rect.top+m_iconY+2+dy);
				DrawXPCheckmark(pDC, rect2,state&ODS_CHECKED ? info.hbmpChecked :
				info.hbmpUnchecked,crSelect);
			}
		}
		
		//This is needed always so that we can have the space for check marks
		
		x0=rect.left;y0=rect.top;
		rect.left = rect.left + m_iconX + 8 + GAP; 
		
		if(!strText.IsEmpty())
		{
			
			CRect rectt(rect.left,rect.top-1,rect.right,rect.bottom-1);
			
			//   Find tabs
			
			CString leftStr,rightStr;
			leftStr.Empty();rightStr.Empty();
			int tablocr=strText.ReverseFind(_T('\t'));
			if(tablocr!=-1)
			{
				rightStr=strText.Mid(tablocr+1);
				leftStr=strText.Left(strText.Find(_T('\t')));
				rectt.right-=m_iconX;
			}
			else leftStr=strText;
			
			int iOldMode = pDC->GetBkMode();
			pDC->SetBkMode( TRANSPARENT);
			
			// Draw the text in the correct colour:
			
			pFont = pDC->SelectObject (&dispFont);
			UINT nFormat  = DT_LEFT|DT_SINGLELINE|DT_VCENTER;
			UINT nFormatr = DT_RIGHT|DT_SINGLELINE|DT_VCENTER;
			if(!(lpDIS->itemState & ODS_GRAYED))
			{
				pDC->SetTextColor(crText);
				pDC->DrawText (leftStr,rectt,nFormat);
				if(tablocr!=-1) pDC->DrawText (rightStr,rectt,nFormatr);
			}
			else
			{
				RECT offset = *rectt;
				offset.left+=1;
				offset.right+=1;
				offset.top+=1;
				offset.bottom+=1;
				if(!XPflag)
				{
					COLORREF graycol=GetSysColor(COLOR_GRAYTEXT);
					graycol = LightenColor(graycol,0.55);
					pDC->SetTextColor(graycol);
				}
				else pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
				pDC->DrawText(leftStr,rectt, nFormat);
				if(tablocr!=-1) pDC->DrawText (rightStr,rectt,nFormatr);
			}
			pDC->SetBkMode( iOldMode );
			pDC->SelectObject (pFont); //set it to the old font
		}
		
		m_penBack.DeleteObject();
		m_fontMenu.DeleteObject();
		m_brSelect.DeleteObject();
		dispFont.DeleteObject ();
	}
	m_brBackground.DeleteObject();
	m_newbrBackground.DeleteObject();
#ifdef BCMENU_USE_MEMDC
	if(pMemDC)delete pMemDC;
#endif
}

BOOL BCMenu::GetBitmapFromImageList(CDC* pDC,CImageList *imglist,int nIndex,CBitmap &bmp)
{
	HICON hIcon = imglist->ExtractIcon(nIndex);
	CDC dc;
	dc.CreateCompatibleDC(pDC);
	bmp.CreateCompatibleBitmap(pDC,m_iconX,m_iconY);
	CBitmap* pOldBmp = dc.SelectObject(&bmp);
	CBrush brush ;
	brush.CreateSolidBrush(GetSysColor(COLOR_MENU));
	::DrawIconEx(
		dc.GetSafeHdc(),
		0,
		0,
		hIcon,
		m_iconX,
		m_iconY,
		0,
		(HBRUSH)brush,
		DI_NORMAL
		);
	dc.SelectObject( pOldBmp );
	dc.DeleteDC();
	// the icon is not longer needed
	DestroyIcon(hIcon);
	return(TRUE);
}

/*
==========================================================================
void BCMenu::MeasureItem(LPMEASUREITEMSTRUCT)