cjmenu.cpp

波子浏览器

//*************************************************************************
// CCJMenu.cpp : implementation file
// Version : 2.5
// Date : October 18, 1999
// Author : Brent Corkum
// 
// Portions of code supplied by:
// Ben Ashley,Girish Bharadwaj,Jean-Edouard Lachand-Robert,
// Robert Edward Caldecott,Kenny Goers,Leonardo Zide,
// Stefan Kuhr, Reiner Jung
//
// Bug Fixes:
// Stefan Kuhr,Martin Vladic,Kim Yoo Chul
//
// You are free to use/modify this code but leave this header intact.
//
/////////////////////////////////////////////////////////////////////////////
/****************************************************************************
 *
 * $Date: 10/24/99 2:09a $
 * $Revision: 6 $
 * $Archive: /CodeJock/CJLibrary/CJMenu.cpp $
 *
 * $History: CJMenu.cpp $
 * 
 * *****************  Version 6  *****************
 * User: Kirk Stowell Date: 10/24/99   Time: 2:09a
 * Updated in $/CodeJock/CJLibrary
 * Upgraded to version 2.5 of BCMenu
 * 
 * *****************  Version 5  *****************
 * User: Kirk Stowell Date: 10/14/99   Time: 12:41p
 * Updated in $/CodeJock/CJLibrary
 * Added source control history to file header.
 *
 ***************************************************************************/
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"        // Standard windows header file
#include "CJMenu.h"        // CCJMenu class declaration
#include <afxpriv.h>       //SK: makes A2W and other spiffy AFX macros work

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define GAP 1
#ifndef OBM_CHECK
#define OBM_CHECK 32760 // from winuser.h
#endif

#if _MFC_VER <0x400
#error This code does not work on Versions of MFC prior to 4.0
#endif

static CPINFO CPInfo;

enum Win32Type{
	Win32s,
	Windoze95,
	WinNT3,
	WinNT4orHigher
};


Win32Type IsShellType()
{
	Win32Type  ShellType;
	DWORD winVer;
	OSVERSIONINFO *osvi;
	
	winVer=GetVersion();
	if(winVer<0x80000000){/*NT */
		ShellType=WinNT3;
		osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO));
		if (osvi!=NULL){
			memset(osvi,0,sizeof(OSVERSIONINFO));
			osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
			GetVersionEx(osvi);
			if (osvi->dwMajorVersion>=4L)
				ShellType=WinNT4orHigher;//yup, it is NT 4 or higher!
			free(osvi);
		}
	}
	else if  (LOBYTE(LOWORD(winVer))<4)
		ShellType=Win32s;/*Win32s*/
	else
		ShellType=Windoze95;/*Windoze95*/
	return ShellType;
}

static Win32Type g_Shell=IsShellType();

void CCJMenuData::SetAnsiString(LPCSTR szAnsiString)
{
	USES_CONVERSION;
	SetWideString(A2W(szAnsiString));  //SK:  see MFC Tech Note 059
}

CString CCJMenuData::GetString(void)//returns the menu text in ANSI or UNICODE
//depending on the MFC-Version we are using
{
	CString strText;
	if (m_szMenuText)
    {
#ifdef UNICODE
		strText = m_szMenuText;
#else
		USES_CONVERSION;
		strText=W2A(m_szMenuText);     //SK:  see MFC Tech Note 059
#endif    
    }
	return strText;
}

CTypedPtrArray<CPtrArray, HMENU> CCJMenu::m_AllSubMenus;  // Stores list of all sub-menus

/*===============================================================================
 CCJMenu::CCJMenu()
 TCMeny::~CCJMenu()
 -----------------
	
 Constructor and Destructor.
===============================================================================*/

CCJMenu::CCJMenu()
{
	disable_old_style=FALSE;
	m_iconX = 16;            // Icon sizes default to 16 x 16
	m_iconY = 15;            // ...
	m_selectcheck = -1;
	m_unselectcheck = -1;
	checkmaps=NULL;
	checkmapsshare=FALSE;
	// set the color used for the transparent background in all bitmaps
	m_bitmapBackground=RGB(192,192,192); //gray
	m_bitmapBackgroundFlag=FALSE;
	GetCPInfo(CP_ACP,&CPInfo);
}


CCJMenu::~CCJMenu()
{
	DestroyMenu();
}

BOOL CCJMenu::IsNewShell ()
{
	return (Windoze95==g_Shell || WinNT4orHigher==g_Shell);
}


CCJMenuData::~CCJMenuData()
{
	if(bitmap)
		delete(bitmap);
	
	delete[] m_szMenuText; //Need not check for NULL because ANSI X3J16 allows "delete NULL"
}


void CCJMenuData::SetWideString(const wchar_t *szWideString)
{
	delete[] m_szMenuText;//Need not check for NULL because ANSI X3J16 allows "delete NULL"
	
	if (szWideString)
    {
		m_szMenuText = new wchar_t[sizeof(wchar_t)*(wcslen(szWideString)+1)];
		if (m_szMenuText)
			wcscpy(m_szMenuText,szWideString);
    }
	else
		m_szMenuText=NULL;//set to NULL so we need not bother about dangling non-NULL Ptrs
}

BOOL CCJMenu::IsMenu(CMenu *submenu)
{
	int m;
	int numSubMenus = m_AllSubMenus.GetUpperBound();
	for(m=0;m<=numSubMenus;++m){
		if(submenu->m_hMenu==m_AllSubMenus[m])return(TRUE);
	}
	return(FALSE);
}

BOOL CCJMenu::IsMenu(HMENU submenu)
{
	int m;
	int numSubMenus = m_AllSubMenus.GetUpperBound();
	for(m=0;m<=numSubMenus;++m){
		if(submenu==m_AllSubMenus[m])return(TRUE);
	}
	return(FALSE);
}

BOOL CCJMenu::DestroyMenu()
{
	// Destroy Sub menus:
	int m,n;
	int numAllSubMenus = m_AllSubMenus.GetUpperBound();
	for(n = numAllSubMenus; n>= 0; n--){
		if(m_AllSubMenus[n]==this->m_hMenu)m_AllSubMenus.RemoveAt(n);
	}
	int numSubMenus = m_SubMenus.GetUpperBound();
	for(m = numSubMenus; m >= 0; m--){
		numAllSubMenus = m_AllSubMenus.GetUpperBound();
		for(n = numAllSubMenus; n>= 0; n--){
			if(m_AllSubMenus[n]==m_SubMenus[m])m_AllSubMenus.RemoveAt(n);
		}
		delete((CCJMenu *)FromHandle(m_SubMenus[m]));
	}
	m_SubMenus.RemoveAll();
	// Destroy menu data
	int numItems = m_MenuList.GetUpperBound();
	for(m = 0; m <= numItems; m++)delete(m_MenuList[m]);
	m_MenuList.RemoveAll();
	if(checkmaps&&!checkmapsshare){
		delete checkmaps;
		checkmaps=NULL;
	}
	// Call base-class implementation last:
	return(CMenu::DestroyMenu());
};


///////////////////////////////////////////////////////////////////////////
//
// CCJMenu message handlers


/*
==========================================================================
void CCJMenu::DrawItem(LPDRAWITEMSTRUCT)
---------------------------------------

  Called by the framework when a particular item needs to be drawn.  We
  overide this to draw the menu item in a custom-fashion, including icons
  and the 3D rectangle bar.
  ==========================================================================
*/


void CCJMenu::DrawItem (LPDRAWITEMSTRUCT lpDIS)
{
	ASSERT(lpDIS != NULL);
	CDC* pDC = CDC::FromHandle(lpDIS->hDC);
	CRect rect;
	UINT state = (((CCJMenuData*)(lpDIS->itemData))->nFlags);
	if(state & MF_SEPARATOR)
	{
		rect.CopyRect(&lpDIS->rcItem);
		CPen m_penBack;
		CBrush m_brBackground;
		m_penBack.CreatePen (PS_SOLID,0,RGB(255,0,0));
		m_brBackground.CreateSolidBrush(RGB(255,0,0));		
		//pDC->FillRect(&rect,&m_brBackground);
		rect.top+=rect.Height()>>1;
		CPen* pOldPen=pDC->SelectObject(&m_penBack);
		pDC->DrawEdge(&rect,EDGE_ETCHED,BF_TOP);
		pDC->SelectObject(pOldPen);		
		m_penBack.DeleteObject();
		m_brBackground.DeleteObject();
	}
	else
	{
		CRect rect2;
		BOOL standardflag=FALSE,selectedflag=FALSE,disableflag=FALSE;
		BOOL checkflag=FALSE;
		COLORREF crText = GetSysColor(COLOR_MENUTEXT);
		COLORREF m_clrBack=GetSysColor(COLOR_MENU);
		//COLORREF m_clrBack=RGB(255,0,0);
		CBrush m_brBackground,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,GetSysColor(COLOR_MENU));
		//m_penBack.CreatePen (PS_SOLID,0,RGB(255,0,0));
		m_brBackground.CreateSolidBrush(GetSysColor(COLOR_MENU));
		//m_brBackground.CreateSolidBrush(RGB(255,0,0));
		m_brSelect.CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
		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 action = lpDIS->itemAction;
		UINT state = lpDIS->itemState;
		CString strText;
		LOGFONT lf;
		lf = m_lf;
		
		CFont dispFont;
		CFont *pFont=NULL;
		
		if(lpDIS->itemData != NULL){
			nIconNormal = (((CCJMenuData*)(lpDIS->itemData))->menuIconNormal);
			xoffset = (((CCJMenuData*)(lpDIS->itemData))->xoffset);
			bitmap = (((CCJMenuData*)(lpDIS->itemData))->bitmap);
			strText = ((CCJMenuData*) (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);
			
			// You need only Text highlight and thats what you get
			
			if(checkflag||standardflag||selectedflag||disableflag||state&ODS_CHECKED)
				rect2.SetRect(rect.left+m_iconX+4+GAP,rect.top,rect.right,rect.bottom);
			pDC->FillRect (rect2,&m_brSelect);
			
			pDC->SelectObject (pOldPen);
			if((HFONT)dispFont != NULL)dispFont.DeleteObject ();
			dispFont.CreateFontIndirect (&lf);
			crText = GetSysColor(COLOR_HIGHLIGHTTEXT);
		}
		else {
			CPen *pOldPen = pDC->SelectObject (&m_penBack);
			pDC->FillRect (rect,&m_brBackground);
			pDC->SelectObject (pOldPen);
			
			// draw the up edges
			
			pDC->Draw3dRect (rect,m_clrBack,m_clrBack);
			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_clrBack,m_clrBack);
			if(checkflag && checkmaps){
				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(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_clrBack,m_clrBack);
					if(disable_old_style)
						DitherBlt(lpDIS->hDC,rect.left+2,rect.top+2+dy,m_iconX,m_iconY,
						(HBITMAP)(bitmapstandard),0,0);
					else
						DitherBlt2(pDC,rect.left+2,rect.top+2+dy,m_iconX,m_iconY,
						bitmapstandard,0,0);
					bitmapstandard.DeleteObject();
				}
			}
			else if(selectedflag){
				pDC->FillRect (rect2,&m_brBackground);
				rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
					rect.top+m_iconY+4+dy);
				if (IsNewShell()){
					if(state&ODS_CHECKED)
						pDC->Draw3dRect(rect2,GetSysColor(COLOR_3DSHADOW),
						GetSysColor(COLOR_3DHILIGHT));
					else
						pDC->Draw3dRect(rect2,GetSysColor(COLOR_3DHILIGHT),
						GetSysColor(COLOR_3DSHADOW));
				}
				CPoint ptImage(rect.left+2,rect.top+2+dy);
				if(bitmap)bitmap->Draw(pDC,xoffset,ptImage,ILD_TRANSPARENT);
			}
			else{
				if(state&ODS_CHECKED){
					CBrush brush;
					COLORREF col =GetSysColor(COLOR_3DLIGHT);
					brush.CreateSolidBrush(col);
					pDC->FillRect(rect2,&brush);
					brush.DeleteObject();
					rect2.SetRect(rect.left,rect.top+dy,rect.left+m_iconX+4,
                        rect.top+m_iconY+4+dy);
					if (IsNewShell())
						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);