📄 exports.c
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#include <windows.h>
#include "NHTW32.h"
#include "import.h"
#include "HookApi.h"
#include "FindWord.h"
#include "..\pub3216.h"
#include "dbgfunc.h"
#pragma data_seg(".sdata") //start of section
BOOL bDebugBegin = TRUE;
HANDLE hMutex = NULL; // 信号量，用於互斥。
HANDLE hWork = NULL;
APIHOOKSTRUCT g_ExtTextOutWHook = {
"Gdi32.dll", // The module name that the api in it.
"ExtTextOutW", // The api name that it will be hooked.
10,
NULL, // This api point.
{0, 0, 0, 0, 0, 0, 0}, // Use to record five byte at begin of api.
// these data is get from this program.
// the system may be already run the other
// program that these program change api too.
NULL, // The module name that the hook api in it.
"NhExtTextOutW", // The hook api name that it will replace the api.
NULL, // This hook api point.
{0, 0, 0, 0, 0, 0, 0}, // Use to record five byte at begin of api.
// these data is get from this program.
// the system may be already run the other
// program that these program change api too.
0,
// Use to record five byte at begin of api.
// these data is get from WINICE. it is pure.
// Used when the BLIEA restart when BLIEA abort,
// Use to restore this api data.
{0XFF, 0X15, 0XFA, 0X13, 0XF3, 0XBF, 0X33}
};
// 当前词数据结构·( 当前词：为由输入缓冲区中切出的单词 )
char g_szCurWord[WORDMAXLEN] = ""; // 当前词缓冲区·
RECT g_CurWordRect; // 记录当前词区域·
int g_nCurCaretPlace; // 记录当前光标位置·
// 当前词数据结构·
BOOL g_bAllowGetCurWord = FALSE; //
HWND g_hNotifyWnd = NULL; //
POINT g_CurMousePos; // 记录当前光标位置·
UINT g_nTextAlign;
POINT g_dwDCOrg;
int g_nExtra;
POINT g_CurPos;
TEXTMETRIC g_tm;
///////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1997/11/18
// 用於修改在计算 TA_CENTER 情况的失误。
BOOL bRecAllRect = TRUE;
RECT g_rcTotalRect;
// End Modify
///////////////////////////////////////////////////////////////////////////
#ifdef _DICTING_
/////////////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1997/11/19
// 主要解决通配符的问题。
int g_nGetWordStyle;
// End Add.
/////////////////////////////////////////////////////////////////////////////////
#endif
extern BOOL g_bCanWrite;
BOOL g_bHooked = FALSE;
#pragma data_seg()
//*********************************************************************
//Added by XGL, Jan 7th, 1999
//for get word in Acrobat Reader
extern HANDLE g_heventGetWord ; //event handle
extern HANDLE g_hMappedFile ; //handle of file-mapping object
extern void *g_pMemFile ; //pointer to memfile
BOOL g_bAcrobatReaderWord = FALSE ; //indicate that the word was got
//from Acrobat Reader
//end of addition
//*********************************************************************
typedef BOOL (WINAPI *EXTTEXTOUTW_PROC)(HDC, int, int, UINT, CONST RECT *, LPCTSTR, UINT, CONST INT *);
DLLEXPORT DWORD WINAPI BL_SetFlag32(UINT nFlag, HWND hNotifyWnd, int MouseX, int MouseY)
{
//Modified by XGL, Jan 7th, 1999
//for Acrobat Reader
POINT ptWindow ;
HWND hWnd ;
void *pTemp ;
ptWindow.x = MouseX ;
ptWindow.y = MouseY ;
hWnd = WindowFromPoint(ptWindow) ;
//Are we getting word from Acrobat Reader
__try
{
if (NULL != g_pMemFile
&& EXISTED == *((BYTE*)g_pMemFile + PLUGIN_FLAG_POS)
&& hWnd == *((HWND*)((BYTE*)g_pMemFile + WND_HANDLE_POS)))
{
if(GETPHRASE_ENABLE == nFlag ||
GETWORD_TW_ENABLE == nFlag ||
GETWORD_D_ENABLE == nFlag ||
GETWORD_D_TYPING_ENABLE == nFlag)
{
//fill mouse pos buffer
pTemp = (BYTE*)g_pMemFile + MOUSE_X_POS ;
*((int*)pTemp) = MouseX ;
pTemp = (BYTE*)g_pMemFile + MOUSE_Y_POS ;
*((int*)pTemp) = MouseY ;
pTemp = (BYTE*)g_pMemFile + WND_NOTIFIY_POS ;
*((HWND*)pTemp) = hNotifyWnd ;
*((BYTE*)g_pMemFile + WORD_POS) = 0x0 ;
//set get word flag
ResetEvent(g_heventGetWord) ;
return BL_OK;
}
else
{
//GETWORD_DISABLE and so on
return BL_OK ;
}
}
}
__except (1)
{
SetEvent(g_heventGetWord) ;
}
//end of modification, XGL, Jan 7th, 1999
switch (nFlag)
{
#ifdef _DICTING_
/////////////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1997/11/19
// 主要解决通配符的问题。
// 打字／用字取词。
case GETPHRASE_ENABLE:
case GETWORD_TW_ENABLE:
// 查字取词。
case GETWORD_D_ENABLE:
// 设置取词方式。
WaitForSingleObject(hMutex, INFINITE);
g_nGetWordStyle = nFlag;
BL_SetGetWordStyle(GETPHRASE_ENABLE/*nFlag*/);
BL_SetPara16((short)hNotifyWnd, (short)MouseX, (short)MouseY);
g_bAllowGetCurWord = TRUE;
g_hNotifyWnd = hNotifyWnd;
g_CurMousePos.x = MouseX;
g_CurMousePos.y = MouseY;
g_szCurWord[0] = 0x00;
g_nCurCaretPlace = -1;
BL_HookWinApi16();
if (!g_bHooked)
{
HookWin32Api(&g_ExtTextOutWHook, HOOK_CAN_WRITE);
g_bHooked = TRUE;
}
g_bAllowGetCurWord = TRUE;
ReleaseMutex(hMutex);
break;
// End Modify
//Added by XGL, Nov 18th, 1998
//for typing assistant specially, it don't need phrase
case GETWORD_D_TYPING_ENABLE:
// 设置取词方式。
WaitForSingleObject(hMutex, INFINITE);
g_nGetWordStyle = nFlag;
BL_SetGetWordStyle(GETWORD_D_ENABLE);
BL_SetPara16((short)hNotifyWnd, (short)MouseX, (short)MouseY);
g_bAllowGetCurWord = TRUE;
g_hNotifyWnd = hNotifyWnd;
g_CurMousePos.x = MouseX;
g_CurMousePos.y = MouseY;
g_szCurWord[0] = 0x00;
g_nCurCaretPlace = -1;
BL_HookWinApi16();
if (!g_bHooked)
{
HookWin32Api(&g_ExtTextOutWHook, HOOK_CAN_WRITE);
g_bHooked = TRUE;
}
g_bAllowGetCurWord = TRUE;
ReleaseMutex(hMutex);
break;
//Adding ends. XGL, Nov 18th, 1998
////////////////////////////////////////////////////////////////////////////////
#else
case GETWORD_ENABLE:
WaitForSingleObject(hMutex, INFINITE);
BL_SetPara16((short)hNotifyWnd, (short)MouseX, (short)MouseY);
g_bAllowGetCurWord = TRUE;
g_hNotifyWnd = hNotifyWnd;
g_CurMousePos.x = MouseX;
g_CurMousePos.y = MouseY;
g_szCurWord[0] = 0x00;
g_nCurCaretPlace = -1;
BL_HookWinApi16();
if (!g_bHooked)
{
HookWin32Api(&g_ExtTextOutWHook, HOOK_CAN_WRITE);
g_bHooked = TRUE;
}
g_bAllowGetCurWord = TRUE;
ReleaseMutex(hMutex);
break;
#endif
case GETPHRASE_DISABLE:
case GETWORD_DISABLE:
case GETWORD_D_TYPING_DISABLE:
WaitForSingleObject(hMutex, INFINITE);
g_bAllowGetCurWord = FALSE;
if (g_bHooked)
{
RestoreWin32Api(&g_ExtTextOutWHook, HOOK_ONLY_READ);
g_bHooked = FALSE;
}
BL_UnHookWinApi16();
ReleaseMutex(hMutex);
break;
}
return BL_OK;
}
DLLEXPORT DWORD WINAPI BL_GetText32(LPSTR lpszCurWord, int nBufferSize, LPRECT lpWordRect)
{
WORDRECT wr;
DWORD dwCaretPlace;
//DbgPrintfToICE("Nhw32.dll GetText: Begin.");
//modified by XGL, Jan 7th, 1999
//for Acrobat Reader
void *pTemp ;
int nStrLen ;
LPSTR lpstrLetter;
if (WAIT_TIMEOUT == WaitForSingleObject(g_heventGetWord, NH_WAIT_TIME))
{
SetEvent(g_heventGetWord) ;
}
__try
{
//check if we got word from Acrobat Reader
if (NULL != g_pMemFile
&& *((BYTE*)g_pMemFile + WORD_POS) != 0x0)
{
pTemp = (BYTE*)g_pMemFile + WORD_POS ;
nStrLen = strlen(pTemp) ;
//get proper len for copy
nStrLen = (nStrLen < nBufferSize) ? nStrLen : nBufferSize ;
strncpy(lpszCurWord, (LPSTR)pTemp, nStrLen) ;
lpszCurWord[nStrLen] = 0x0 ;
//copy word rect
pTemp = (BYTE*)g_pMemFile + RECT_POS ;
lpWordRect->left = *((LONG*)pTemp) ;
pTemp = (BYTE*)pTemp + sizeof(LONG) ;
lpWordRect->top = *((LONG*)pTemp) ;
pTemp = (BYTE*)pTemp + sizeof(LONG) ;
lpWordRect->right = *((LONG*)pTemp) ;
pTemp = (BYTE*)pTemp + sizeof(LONG) ;
lpWordRect->bottom = *((LONG*)pTemp) ;
//set buffer to empty
*((BYTE*)g_pMemFile + WORD_POS) = 0x0 ;
}
else
{
dwCaretPlace = BL_GetBuffer16(lpszCurWord, (short)nBufferSize, &wr);
lpWordRect->left = wr.left;
lpWordRect->right = wr.right;
lpWordRect->top = wr.top;
lpWordRect->bottom = wr.bottom;
}
}
__except (1)
{
}
//end of modification
return dwCaretPlace;
}
DLLEXPORT BOOL WINAPI NhExtTextOutW(HDC hdc, // handle to device context
int X, // x-coordinate of reference point
int Y, // y-coordinate of reference point
UINT fuOptions, // text-output options
CONST RECT *lprc, // optional clipping and/or opaquing rectangle
LPCTSTR lpString, // points to string
UINT cbCount, // number of characters in string
CONST INT *lpDx // pointer to array of intercharacter spacing values
)
{
EXTTEXTOUTW_PROC ExtTextOutWApi;
EXTTEXTOUTW_PROC ExtTextOutAApi;
char szTemp[256];
int nTempLen;
BOOL bWOrA;
HANDLE hOldMutex;
//////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1998.02.19
// Reason:
// Because the CX register in Chinese version Windows different from English version.
WORD wCXRegister, wCXInWCode, wCXInACode;
LPWORD temp;
_asm
{
mov wCXRegister, cx;
};
hOldMutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, MUTEXNAME);
WaitForSingleObject(hOldMutex, INFINITE);
ExtTextOutWApi = (EXTTEXTOUTW_PROC)((DWORD)g_ExtTextOutWHook.lpWinApiProc - 10);
ExtTextOutAApi = (EXTTEXTOUTW_PROC)((DWORD)g_ExtTextOutWHook.lpWinApiProc - 4);
temp = (LPWORD)ExtTextOutWApi;
wCXInWCode = temp[1];
temp = (LPWORD)ExtTextOutAApi;
wCXInACode = temp[1];
if (wCXRegister == wCXInACode)
{ // ExtTextOutA
bWOrA = 1;
}
else
{ // ExtTextOutW
bWOrA = 0;
}
// Modify end.
//////////////////////////////////////////////////////////////////////////
// _asm // 用於判断当前是否为UNICODE.
// {
// cmp cx, 20b3h;
// je exttextouta;
// mov bWOrA, 0; // ExtTextOutW
// jmp end;
//exttextouta:
// mov bWOrA, 1; // ExtTextOutA
//end:
// };
// End modify
//////////////////////////////////////////////////////////////////////////
// restore the old textout.
#ifdef _DEUBG
DbgPrintfToICE("Nhw32.dll ExtTextOutW: Restore Begin.");
#endif
RestoreWin32Api(&g_ExtTextOutWHook, HOOK_NEED_CHECK);
#ifdef _DEUBG
DbgPrintfToICE("Nhw32.dll ExtTextOutW: Restore End.");
#endif
// call old textout.
if (bWOrA == 0)
{
ExtTextOutWApi(hdc, X, Y, fuOptions, lprc, lpString, cbCount, lpDx);
nTempLen = WideCharToMultiByte(CP_ACP, 0, (const unsigned short *)lpString, cbCount, szTemp, 256, NULL, NULL);
szTemp[nTempLen] = 0x00;
///////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1997/11/18
// 用於修改在计算 TA_CENTER 情况的失误。
bRecAllRect = FALSE;
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
GetStringRect(hdc, (LPSTR)szTemp, nTempLen, X, Y, &g_rcTotalRect, (LPINT)lpDx);
bRecAllRect = TRUE;
// End Modify
///////////////////////////////////////////////////////////////////////////
BL_ExtTextOutW(hdc, X, Y, fuOptions, (LPRECT)lprc, (LPSTR)szTemp, nTempLen, (LPINT)lpDx);
}
else
{
ExtTextOutAApi(hdc, X, Y, fuOptions, lprc, lpString, cbCount, lpDx);
}
if (g_bHooked)
{
HookWin32Api(&g_ExtTextOutWHook, HOOK_NEED_CHECK);
}
ReleaseMutex(hOldMutex);
CloseHandle(hOldMutex);
return (TRUE);
}
DWORD BL_ExtTextOutW(HDC hDC,
int X,
int Y,
UINT fuOptions,
LPRECT lprc,
LPSTR lpString,
UINT cbCount,
LPINT lpDx)
{
//Added by XGL, Nov 3rd, 1998
//We cannot get corret word with Explorer as background window
//in Windows98, so this situation must be dealt with.
if ((g_bAllowGetCurWord) && (!IsBadReadPtr(lpString, cbCount)) && (cbCount > 0))
{
g_nTextAlign = GetTextAlign(hDC);
g_nExtra = GetTextCharacterExtra(hDC);
GetCurrentPositionEx(hDC, &g_CurPos);
GetTextMetrics(hDC, &g_tm);
if (WindowFromDC(hDC) == NULL)
{
// 赋零，用於避免MEMDC对串位置的影响·
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
AddToTextOutBuffer(hDC, (LPSTR)lpString, cbCount, X, Y, lpDx);
}
else
{
GetDCOrgEx(hDC, &g_dwDCOrg);
GetCurMousePosWord(hDC, (LPSTR)lpString, cbCount, X, Y, lpDx);
}
}
else
{
}
return (TRUE);
}
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