mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-24 08:34:08 +00:00
253 lines
7.7 KiB
C
253 lines
7.7 KiB
C
#include "TextOutSpy.h"
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#include "ThTypes.h"
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#include "GDDataTranfer.h"
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#include "GetWordByIAccEx.h"
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const int MOUSEOVER_INTERVAL = 300;
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const int REQUEST_MESSAGE_INTERVAL = 500;
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const int WM_MY_SHOW_TRANSLATION = WM_USER + 301;
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HINSTANCE g_hInstance = NULL;
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HANDLE hSynhroMutex = 0, hHookMutex = 0;
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HINSTANCE hGetWordLib = 0;
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UINT_PTR TimerID = 0;
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typedef void (*GetWordProc_t)(TCurrentMode *);
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GetWordProc_t GetWordProc = NULL;
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GDDataStruct gds;
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UINT uGdAskMessage;
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WCHAR Buffer[256];
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static HWND GetWindowFromPoint(POINT pt)
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{
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HWND WndParent,WndChild;
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WndParent = WindowFromPoint(pt);
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if(WndParent == NULL) return WndParent;
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ScreenToClient(WndParent, &pt);
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WndChild = RealChildWindowFromPoint(WndParent, pt);
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if(WndChild == NULL) return WndParent;
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return WndChild;
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};
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static void SendWordToServer()
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{
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DWORD SendMsgAnswer, flags;
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LRESULT lr;
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if (hGetWordLib == 0) {
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hGetWordLib = LoadLibrary(GlobalData->LibName);
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if (hGetWordLib) {
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GetWordProc = (GetWordProc_t)GetProcAddress(hGetWordLib, "__gdGetWord");
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}
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else {
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hGetWordLib = (HINSTANCE)-1;
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}
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}
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if( !IsWindow( GlobalData->ServerWND ) )
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return;
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// Ask for needing to retrieve word - WPARAM = 1
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lr = SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 1, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
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if( lr == 0 || SendMsgAnswer == 0) //No answer or no needing
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return;
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GlobalData->CurMod.MatchedWord[0] = 0;
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GlobalData->CurMod.WordLen = 0;
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GlobalData->CurMod.BeginPos = 0;
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flags = SendMsgAnswer;
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if( ( flags & GD_FLAG_METHOD_GD_MESSAGE ) != 0 && uGdAskMessage != 0 ) {
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int n;
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gds.dwSize = sizeof(gds);
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gds.cwData = Buffer;
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gds.dwMaxLength = sizeof(Buffer) / sizeof(Buffer[0]);
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Buffer[0] = 0;
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gds.hWnd = GlobalData->LastWND;
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gds.Pt = GlobalData->LastPt;
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lr = SendMessageTimeout(gds.hWnd, uGdAskMessage, 0, (LPARAM)&gds, SMTO_ABORTIFHUNG, REQUEST_MESSAGE_INTERVAL, &SendMsgAnswer);
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if(lr != 0 && SendMsgAnswer != 0) {
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n = WideCharToMultiByte(CP_UTF8, 0, gds.cwData, lstrlenW(gds.cwData), GlobalData->CurMod.MatchedWord, sizeof(GlobalData->CurMod.MatchedWord) - 1, 0, 0);
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GlobalData->CurMod.MatchedWord[n] = 0;
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GlobalData->CurMod.WordLen = n;
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GlobalData->CurMod.BeginPos = 0;
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if(n > 0) {
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if( IsWindow( GlobalData->ServerWND ) )
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SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
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}
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return;
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}
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}
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if( ( flags & GD_FLAG_METHOD_STANDARD ) != 0 && GetWordProc != 0 ) {
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GlobalData->CurMod.WND = GlobalData->LastWND;
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GlobalData->CurMod.Pt = GlobalData->LastPt;
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GetWordProc(&(GlobalData->CurMod));
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if (GlobalData->CurMod.WordLen > 0) {
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if( IsWindow( GlobalData->ServerWND ) )
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SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
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return;
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}
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}
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if( ( flags & GD_FLAG_METHOD_IACCESSIBLEEX ) != 0 ) {
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getWordByAccEx( GlobalData->LastPt );
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if (GlobalData->CurMod.WordLen > 0 ) {
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if( IsWindow( GlobalData->ServerWND ) )
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SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
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return;
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}
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}
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if( ( flags & GD_FLAG_METHOD_UI_AUTOMATION ) != 0 && IsWindow( GlobalData->ServerWND ) ) {
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PostMessage( GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0 );
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}
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}
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void CALLBACK TimerFunc(HWND hWnd,UINT nMsg,UINT nTimerid,DWORD dwTime)
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{
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DWORD wso;
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wso = WaitForSingleObject(hSynhroMutex, 0);
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if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
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KillTimer(0, nTimerid);
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if ((GlobalData->LastWND!=0)&&(GlobalData->LastWND == GetWindowFromPoint(GlobalData->LastPt))) {
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SendWordToServer();
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}
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ReleaseMutex(hSynhroMutex);
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}
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}
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LRESULT CALLBACK MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam)
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{
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DWORD wso;
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if ((nCode == HC_ACTION) && ((wParam == WM_MOUSEMOVE) || (wParam == WM_NCMOUSEMOVE)) && (GlobalData != NULL)) {
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wso = WaitForSingleObject(hSynhroMutex, 0);
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if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
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HWND WND;
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TCHAR wClassName[64];
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WND = GetWindowFromPoint(((PMOUSEHOOKSTRUCT)lParam)->pt);
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if(WND == NULL) {
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ReleaseMutex(hSynhroMutex);
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return CallNextHookEx(GlobalData->g_hHookMouse, nCode, wParam, lParam);
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}
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if (GetClassName(WND, wClassName, sizeof(wClassName) / sizeof(TCHAR))) {
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const char* DisableClasses[] = {
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"gdkWindowChild",
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"gdkWindowTemp",
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"Progman",
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"WorkerW",
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};
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int i;
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for (i=0; i<4; i++) {
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if (lstrcmp(wClassName, DisableClasses[i])==0)
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break;
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}
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if (i<4) {
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ReleaseMutex(hSynhroMutex);
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return CallNextHookEx(GlobalData->g_hHookMouse, nCode, wParam, lParam);
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}
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}
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if(GlobalData->LastPt.x!=((PMOUSEHOOKSTRUCT)lParam)->pt.x || GlobalData->LastPt.y!=((PMOUSEHOOKSTRUCT)lParam)->pt.y || GlobalData->LastWND != WND) {
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TimerID = SetTimer(0, TimerID, MOUSEOVER_INTERVAL, TimerFunc);
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GlobalData->LastWND = WND;
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GlobalData->LastPt = ((PMOUSEHOOKSTRUCT)lParam)->pt;
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}
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ReleaseMutex(hSynhroMutex);
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}
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}
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return CallNextHookEx(GlobalData->g_hHookMouse, nCode, wParam, lParam);
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}
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DLLIMPORT void ActivateTextOutSpying (int Activate)
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{
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// After call SetWindowsHookEx(), when you move mouse to a application's window,
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// this dll will load into this application automatically. And it is unloaded
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// after call UnhookWindowsHookEx().
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DWORD wso;
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if(GlobalData == NULL) return;
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if (Activate) {
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if (GlobalData->g_hHookMouse != NULL) return;
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GlobalData->g_hHookMouse = SetWindowsHookEx(WH_MOUSE, MouseHookProc, g_hInstance, 0);
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}
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else {
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if (GlobalData->g_hHookMouse == NULL) return;
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UnhookWindowsHookEx(GlobalData->g_hHookMouse);
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wso = WaitForSingleObject(hSynhroMutex, 4*MOUSEOVER_INTERVAL);
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if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
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if (TimerID) {
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if (KillTimer(0, TimerID))
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TimerID=0;
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}
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ReleaseMutex(hSynhroMutex);
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}
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GlobalData->g_hHookMouse = NULL;
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}
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}
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BOOL APIENTRY DllMain (HINSTANCE hInst /* Library instance handle. */ ,
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DWORD reason /* Reason this function is being called. */ ,
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LPVOID reserved /* Not used. */ )
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{
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switch (reason)
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{
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case DLL_PROCESS_ATTACH:
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g_hInstance = hInst;
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if(hSynhroMutex==0) {
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hSynhroMutex = CreateMutex(NULL, FALSE, "GoldenDictTextOutSpyMutex");
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if(hSynhroMutex==0) {
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return(FALSE);
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}
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}
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if(hHookMutex==0) {
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hHookMutex = CreateMutex(NULL, FALSE, "GoldenDictTextOutHookMutex");
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}
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ThTypes_Init();
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uGdAskMessage = RegisterWindowMessage(GD_MESSAGE_NAME);
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FindGetPhysicalCursorPos();
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break;
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case DLL_PROCESS_DETACH:
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// if(hSynhroMutex) WaitForSingleObject(hSynhroMutex, INFINITE);
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if(hSynhroMutex) WaitForSingleObject(hSynhroMutex, 2000);
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if (TimerID) {
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if (KillTimer(0, TimerID))
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TimerID=0;
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}
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if(hSynhroMutex) {
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ReleaseMutex(hSynhroMutex);
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CloseHandle(hSynhroMutex);
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hSynhroMutex=0;
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}
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{
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MSG msg ;
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while (PeekMessage (&msg, 0, WM_TIMER, WM_TIMER, PM_REMOVE)) {}
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}
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if ((hGetWordLib != 0)&&(hGetWordLib != (HINSTANCE)(-1))) {
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FreeLibrary(hGetWordLib);
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}
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if(hHookMutex) {
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DWORD wso = WaitForSingleObject(hHookMutex, 5000);
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if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
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ReleaseMutex(hHookMutex);
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CloseHandle(hHookMutex);
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hHookMutex=0;
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}
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}
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Thtypes_End();
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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}
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/* Returns TRUE on success, FALSE on failure */
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return TRUE;
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}
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