chinese.cpp

支持Windows 3.x、Windows 9x平台上的中文（GB、Big5）、日文（Shift JIS、EUC JIS)、韩文（KS C 5601）、HZ码的显示与输入,智能内码识别

//汉化

#include	"stdafx.h"
//#include	<windowsx.h>
#include	<dos.h>
#include 	<string.h>

#include	"cspublic.h"
#include	"cskernel.h"
#include	"chinese.h"
#include	"myfunc.h"
#include	"hzout.h"

static ALLHOOKFUNCMESS	AllHookFuncMess ;
static	int 			nChineseFlag =0 ;	//标记是否有中文系统，0没有，1有

BOOL	GetHookMem( void )
{
	AllHookFuncMess.bLongJump	=0xea ;
	
	//不能超过MAX_HOOK_FUNCTION个
	AllHookFuncMess.nHookFuncNum	=7 ;
	
/*	AllHookFuncMess.lpHookFuncMess	=
		(ONEHOOKFUNCMESS	far	*)GlobalAllocPtr(
				GHND , 
				(DWORD)AllHookFuncMess.nHookFuncNum *
					sizeof( ONEHOOKFUNCMESS ) ) ;
	if( !AllHookFuncMess.lpHookFuncMess )
		return( FALSE ) ;
*/		
	return( TRUE ) ;
}

BOOL	GetHookMess( void )
{
	strcpy( AllHookFuncMess.HookFuncMess[0].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[0].sFuncName ,
				"TextOut" ) ;
	AllHookFuncMess.HookFuncMess[0].lpNewFuncAddress	=
		(LPSTR)MyTextOut ;

	strcpy( AllHookFuncMess.HookFuncMess[5].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[5].sFuncName ,
				"ExtTextOut" ) ;
	AllHookFuncMess.HookFuncMess[5].lpNewFuncAddress	=
		(LPSTR)MyExtTextOut ;

	strcpy( AllHookFuncMess.HookFuncMess[1].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[1].sFuncName ,
				"GetCharWidth" ) ;
	AllHookFuncMess.HookFuncMess[1].lpNewFuncAddress	=
		(LPSTR)MyGetCharWidth ;

	strcpy( AllHookFuncMess.HookFuncMess[2].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[2].sFuncName ,
				"GetCharABCWidths" ) ;
	AllHookFuncMess.HookFuncMess[2].lpNewFuncAddress	=
		(LPSTR)MyGetCharABCWidths ;

	strcpy( AllHookFuncMess.HookFuncMess[3].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[3].sFuncName ,
				"GetTextExtent" ) ;
	AllHookFuncMess.HookFuncMess[3].lpNewFuncAddress	=
		(LPSTR)MyGetTextExtent ;
		
	strcpy( AllHookFuncMess.HookFuncMess[4].sModuleName ,
				"USER" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[4].sFuncName ,
				"DrawText" ) ;
	AllHookFuncMess.HookFuncMess[4].lpNewFuncAddress	=
		(LPSTR)MyDrawText ;

	strcpy( AllHookFuncMess.HookFuncMess[6].sModuleName ,
				"USER" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[6].sFuncName ,
				"GetSystemMetrics" ) ;
	AllHookFuncMess.HookFuncMess[6].lpNewFuncAddress	=
		(LPSTR)MyGetSystemMetrics ;
/*		
	strcpy( AllHookFuncMess.HookFuncMess[7].sModuleName ,
				"GDI" ) ;
	strcpy( AllHookFuncMess.HookFuncMess[7].sFuncName ,
				"GetTextMetrics" ) ;
	AllHookFuncMess.HookFuncMess[7].lpNewFuncAddress	=
		(LPSTR)MyGetTextMetrics ;*/
//--------------------------------------------------------------------------//     

	LPSTR	lpOldFunction ;
	int				i , j ;
	for( i=0 ; i<AllHookFuncMess.nHookFuncNum ; i++ )
	{
		lpOldFunction	=(LPSTR)GetProcAddress(
										GetModuleHandle( 
											(LPCSTR)AllHookFuncMess.HookFuncMess[i].sModuleName ) ,
											(LPCSTR)AllHookFuncMess.HookFuncMess[i].sFuncName ) ;
		if( !lpOldFunction )
		{
			::MessageBox( 0 , "GetProcAddress error" , 0 , MB_OK ) ;
			return( FALSE ) ;
		}

		AllHookFuncMess.HookFuncMess[i].wOldFuncCodeSelector	=
								FP_SEG( lpOldFunction ) ;
		GlobalPageLock( (HGLOBAL)
			AllHookFuncMess.HookFuncMess[i].wOldFuncCodeSelector ) ;

		AllHookFuncMess.HookFuncMess[i].wOldFuncDataSelector	=
								AllocCSToDSAlias( FP_SEG( lpOldFunction ) ) ; 
		if( !AllHookFuncMess.HookFuncMess[i].wOldFuncDataSelector )
		{
			::MessageBox( 0 , "AllocCSToDSAlias error" , 0 , MB_OK ) ;
			return( FALSE ) ;
		}
		                        
		AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress	=
			(LPSTR)MK_FP(
				AllHookFuncMess.HookFuncMess[i].wOldFuncDataSelector ,
				FP_OFF( lpOldFunction ) ) ; 		

		for( j=0 ; j<5 ; j++ )
			AllHookFuncMess.HookFuncMess[i].sOldFuncFiveCodes[j]	=
				AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[j];
	}

	return( TRUE ) ;
}

void	FreeMemory( void ) 
{
//	if( AllHookFuncMess.lpHookFuncMess )
//	{
		for( int i=0 ; i<AllHookFuncMess.nHookFuncNum ; i++ )
			if( AllHookFuncMess.HookFuncMess[i].wOldFuncDataSelector )
			{
				GlobalPageUnlock( (HGLOBAL)
				AllHookFuncMess.HookFuncMess[i].wOldFuncCodeSelector ) ;
				FreeSelector( 
				AllHookFuncMess.HookFuncMess[i].wOldFuncDataSelector ) ;	
			}

//		GlobalFreePtr( AllHookFuncMess.lpHookFuncMess ) ;
//	}
}

void	HookOn( int i )
{
	AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[0]	=
		AllHookFuncMess.bLongJump ;
			
	for( int j=1 ; j<5 ; j++ )			
		AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[j]	=
			((LPSTR)&AllHookFuncMess.HookFuncMess[i].lpNewFuncAddress)[j-1];
}

void	HookOff( int i )
{
	for( int j=0 ; j<5 ; j++ )
		AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[j]	=
			AllHookFuncMess.HookFuncMess[i].sOldFuncFiveCodes[j] ;
}

//------------------------------------------------------------------//
#ifdef __cplusplus
extern "C" {
#endif

//挂上汉字系统
BOOL __export FAR PASCAL ToChinese( void )
{
	if( nChineseFlag )	//已经汉化过了
		return FALSE ;
	nChineseFlag	=1 ;	//标记已经汉化过了

	if( !GetHookMem() )
	{
		::MessageBox( 0 , "Get hook memory error" , 0 , MB_OK ) ;
		FreeMemory() ;
		return( FALSE ) ;
	}

	if( !GetHookMess() )
	{
		::MessageBox( 0 , "Get hook message error" , 0 , MB_OK ) ;
		FreeMemory() ;
		return( FALSE ) ;
	}
//---------------------------------------------------------------------------------------//
	//装入显示字库
	if( !LoadZk() )
		return	FALSE ;

	int	i , j ;
	for( i=0 ; i<AllHookFuncMess.nHookFuncNum ; i++ )
	{
		AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[0]	=
			AllHookFuncMess.bLongJump ;

		for( j=1 ; j<5 ; j++ )			
			AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[j]	=
				((LPSTR)&AllHookFuncMess.HookFuncMess[i].lpNewFuncAddress)[j-1];
	}		
	
	UpdateScreen() ;	
	return	TRUE ;
}			

//卸掉汉字系统	
void __export FAR PASCAL ToEnglish( void )
{
	if( !nChineseFlag )	//没有中文系统
		return ;
	nChineseFlag	=0 ;

	int	i , j ;
	
	for( i=0 ; i<AllHookFuncMess.nHookFuncNum ; i++ )
		for( j=0 ; j<5 ; j++ )
			AllHookFuncMess.HookFuncMess[i].lpOldFuncDataAddress[j]	=
				AllHookFuncMess.HookFuncMess[i].sOldFuncFiveCodes[j] ;

	FreeMemory() ;

	//卸掉显示字库
	UnloadZk( 0 ) ;

	UpdateScreen() ;	
}

#ifdef __cplusplus
}
#endif