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#include "prtypes.h"
#include "UCustomizePopUp.h"

MenuDefUPP* UCustomizePopUp::fOrigMenuDefUPP = NULL;
MenuDefUPP UCustomizePopUp::fMyMenuDefUPP = NULL;
LCustomizeMenu* UCustomizePopUp::fCustomize = NULL;

long UCustomizePopUp::PopUpMenuSelect(MenuHandle menu, LCustomizeMenu* subclass, short top, short left, short popUpItem)
{
	long result;
	fOrigMenuDefUPP = (MenuDefUPP*)(*menu)->menuProc;
	fCustomize = subclass;
	if(UCustomizePopUp::fMyMenuDefUPP == NULL)
	{
		UCustomizePopUp::fMyMenuDefUPP = NewMenuDefProc(UCustomizePopUp::MDEF);
	}
	(*menu)->menuProc = (char**) &UCustomizePopUp::fMyMenuDefUPP;
	
	result = ::PopUpMenuSelect(menu, top, left, popUpItem);
	
	(*menu)->menuProc = (char**)fOrigMenuDefUPP;
	fCustomize = NULL;
	return result;
}

pascal void UCustomizePopUp::MDEF(short message, MenuHandle menu, Rect *rect, Point hitPt, short *item)
{
  // restore the application's A5, so that we can access global
  // variables.
  	long savedA5 = ::SetCurrentA5() ;	
	switch(message)
	{
		case mDrawMsg:
			UCustomizePopUp::fCustomize->Draw	(menu, UCustomizePopUp::fOrigMenuDefUPP, rect, hitPt, item);
			break;
		case mChooseMsg:
			UCustomizePopUp::fCustomize->Choose	(menu, UCustomizePopUp::fOrigMenuDefUPP, rect, hitPt, item);
			break;
		case mSizeMsg:
			UCustomizePopUp::fCustomize->Size	(menu, UCustomizePopUp::fOrigMenuDefUPP, rect, hitPt, item);
			break;
		case mPopUpMsg:
			UCustomizePopUp::fCustomize->PopUp	(menu, UCustomizePopUp::fOrigMenuDefUPP, rect, hitPt, item);
			break;
		default:
			// Assert_(FALSE);
			// somehow we got message equal to 6 when we doing debug. So far I cannot find out any documentation
			// describe what is message 6 mean. We just let the default routine handle it for now.
			// We probably need to change it later- after we know what 6 mean...
			CallMenuDefProc(*UCustomizePopUp::fOrigMenuDefUPP, message, menu, rect, hitPt, item);
			break;
	}
  ::SetA5 (savedA5) ;
}