| 1 | /* $Id: HOOK.CPP,v 1.3 1999-09-15 23:20:36 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Win32 hook API functions for OS/2 | 
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| 5 | * | 
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| 6 | * Copyright 1998 Sander van Leeuwen | 
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| 7 | * | 
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| 8 | * | 
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| 9 | * Project Odin Software License can be found in LICENSE.TXT | 
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| 10 | * | 
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| 11 | */ | 
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| 12 | #include <os2win.h> | 
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| 13 | #include <stdarg.h> | 
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| 14 | #include "misc.h" | 
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| 15 | #include "hooks.h" | 
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| 16 |  | 
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| 17 | //****************************************************************************** | 
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| 18 | //****************************************************************************** | 
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| 19 | HHOOK WIN32API SetWindowsHookExA(int idHook, HOOKPROC hkprc, HINSTANCE hmod, DWORD dwThreadId) | 
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| 20 | { | 
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| 21 | HHOOK    rc; | 
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| 22 | HOOKPROC_O32 os2hkprc; | 
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| 23 |  | 
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| 24 | switch(idHook) { | 
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| 25 | case WH_CALLWNDPROC: | 
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| 26 | os2hkprc = HkWindow::GetOS2Hook(); | 
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| 27 | break; | 
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| 28 | case WH_CBT: | 
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| 29 | { | 
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| 30 | HkCBT *hkhook = new HkCBT(0, hkprc, hmod, dwThreadId);; | 
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| 31 | #ifdef DEBUG | 
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| 32 | WriteLog("OS2SetWindowsHookExA WH_CBT %X, %X, %X, %X\n", idHook, hkprc, hmod, dwThreadId); | 
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| 33 | #endif | 
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| 34 | return((HHOOK)hkhook); | 
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| 35 | } | 
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| 36 | case WH_DEBUG: | 
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| 37 | os2hkprc = HkDebug::GetOS2Hook(); | 
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| 38 | break; | 
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| 39 | case WH_JOURNALPLAYBACK: | 
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| 40 | os2hkprc = HkJrnlPlayback::GetOS2Hook(); | 
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| 41 | break; | 
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| 42 | case WH_JOURNALRECORD: | 
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| 43 | os2hkprc = HkJrnlRecord::GetOS2Hook(); | 
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| 44 | break; | 
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| 45 | case WH_GETMESSAGE: | 
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| 46 | os2hkprc = HkGetMessage::GetOS2Hook(); | 
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| 47 | break; | 
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| 48 | case WH_MOUSE: | 
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| 49 | os2hkprc = HkMouse::GetOS2Hook(); | 
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| 50 | break; | 
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| 51 | case WH_KEYBOARD: | 
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| 52 | os2hkprc = HkKeyboard::GetOS2Hook(); | 
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| 53 | break; | 
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| 54 | case WH_SHELL: | 
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| 55 | os2hkprc = HkShell::GetOS2Hook(); | 
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| 56 | break; | 
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| 57 | case WH_SYSMSGFILTER: | 
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| 58 | os2hkprc = HkSysMsgFilter::GetOS2Hook(); | 
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| 59 | break; | 
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| 60 | case WH_MSGFILTER: | 
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| 61 | os2hkprc = HkMsgFilter::GetOS2Hook(); | 
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| 62 | break; | 
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| 63 | } | 
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| 64 |  | 
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| 65 | rc = O32_SetWindowsHookEx(idHook, os2hkprc, hmod, dwThreadId); | 
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| 66 |  | 
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| 67 | if(rc) { | 
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| 68 | switch(idHook) { | 
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| 69 | case WH_CALLWNDPROC: | 
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| 70 | new HkWindow(rc, hkprc, hmod, dwThreadId); | 
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| 71 | break; | 
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| 72 | case WH_CBT: | 
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| 73 | break; | 
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| 74 | case WH_DEBUG: | 
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| 75 | new HkDebug(rc, hkprc, hmod, dwThreadId);; | 
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| 76 | break; | 
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| 77 | case WH_JOURNALPLAYBACK: | 
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| 78 | new HkJrnlPlayback(rc, hkprc, hmod, dwThreadId);; | 
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| 79 | break; | 
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| 80 | case WH_JOURNALRECORD: | 
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| 81 | new HkJrnlRecord(rc, hkprc, hmod, dwThreadId);; | 
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| 82 | break; | 
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| 83 | case WH_GETMESSAGE: | 
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| 84 | new HkGetMessage(rc, hkprc, hmod, dwThreadId);; | 
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| 85 | break; | 
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| 86 | case WH_MOUSE: | 
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| 87 | new HkMouse(rc, hkprc, hmod, dwThreadId);; | 
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| 88 | break; | 
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| 89 | case WH_KEYBOARD: | 
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| 90 | new HkKeyboard(rc, hkprc, hmod, dwThreadId);; | 
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| 91 | break; | 
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| 92 | case WH_SHELL: | 
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| 93 | new HkShell(rc, hkprc, hmod, dwThreadId);; | 
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| 94 | break; | 
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| 95 | case WH_SYSMSGFILTER: | 
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| 96 | new HkSysMsgFilter(rc, hkprc, hmod, dwThreadId);; | 
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| 97 | break; | 
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| 98 | case WH_MSGFILTER: | 
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| 99 | new HkMsgFilter(rc, hkprc, hmod, dwThreadId);; | 
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| 100 | break; | 
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| 101 | } | 
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| 102 | } | 
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| 103 | #ifdef DEBUG | 
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| 104 | WriteLog("OS2SetWindowsHookExA %X, %X, %X, %X, returned %X\n", idHook, hkprc, hmod, dwThreadId, rc); | 
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| 105 | #endif | 
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| 106 | return(rc); | 
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| 107 | } | 
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| 108 | //****************************************************************************** | 
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| 109 | //****************************************************************************** | 
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| 110 | HHOOK WIN32API SetWindowsHookA(int idHook, HOOKPROC hkprc) | 
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| 111 | { | 
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| 112 | HHOOK rc; | 
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| 113 |  | 
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| 114 | rc = SetWindowsHookExA(idHook, hkprc, NULL, 0); | 
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| 115 | #ifdef DEBUG | 
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| 116 | WriteLog("OS2SetWindowsHookA %X, %X, returned %X\n", idHook, hkprc, rc); | 
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| 117 | #endif | 
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| 118 | return(rc); | 
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| 119 | } | 
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| 120 | //****************************************************************************** | 
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| 121 | //****************************************************************************** | 
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| 122 | HHOOK WIN32API SetWindowsHookExW(int idHook, HOOKPROC hkprc, HINSTANCE hmod, DWORD dwThreadId) | 
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| 123 | { | 
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| 124 | #ifdef DEBUG | 
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| 125 | WriteLog("OS2SetWindowsHookExW\n"); | 
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| 126 | #endif | 
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| 127 | return(SetWindowsHookExA(idHook, hkprc, hmod, dwThreadId)); | 
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| 128 | } | 
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| 129 | //****************************************************************************** | 
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| 130 | //****************************************************************************** | 
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| 131 | BOOL WIN32API UnhookWindowsHookEx(HHOOK hook) | 
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| 132 | { | 
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| 133 | #ifdef DEBUG | 
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| 134 | WriteLog("OS2UnhookWindowsHookEx\n"); | 
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| 135 | #endif | 
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| 136 |  | 
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| 137 | if(HkWindow::UnHookWindowsHook(hook) == FALSE) | 
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| 138 | if(HkCBT::UnHookWindowsHook(hook) == TRUE) { | 
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| 139 | return(TRUE); | 
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| 140 | } | 
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| 141 | else | 
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| 142 | if(HkGetMessage::UnHookWindowsHook(hook) == FALSE) | 
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| 143 | if(HkMsgFilter::UnHookWindowsHook(hook) == FALSE) | 
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| 144 | if(HkSysMsgFilter::UnHookWindowsHook(hook) == FALSE) | 
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| 145 | if(HkMouse::UnHookWindowsHook(hook) == FALSE) | 
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| 146 | if(HkKeyboard::UnHookWindowsHook(hook) == FALSE) | 
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| 147 | if(HkShell::UnHookWindowsHook(hook) == FALSE) | 
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| 148 | if(HkDebug::UnHookWindowsHook(hook) == FALSE) | 
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| 149 | if(HkJrnlPlayback::UnHookWindowsHook(hook) == FALSE) | 
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| 150 | if(HkJrnlRecord::UnHookWindowsHook(hook) == FALSE) { | 
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| 151 | dprintf(("Hook %X not found!\n", hook)); | 
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| 152 | } | 
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| 153 | return O32_UnhookWindowsHookEx(hook); | 
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| 154 | } | 
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| 155 | //****************************************************************************** | 
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| 156 | //****************************************************************************** | 
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| 157 | BOOL WIN32API UnhookWindowsHook(int nCode, HOOKPROC hkproc) | 
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| 158 | { | 
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| 159 | HHOOK hook = 0; | 
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| 160 |  | 
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| 161 | switch(nCode) { | 
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| 162 | case WH_CALLWNDPROC: | 
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| 163 | hook = HkWindow::FindHookProc(hkproc); | 
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| 164 | break; | 
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| 165 | case WH_CBT: | 
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| 166 | hook = HkCBT::FindHookProc(hkproc); | 
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| 167 | break; | 
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| 168 | case WH_DEBUG: | 
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| 169 | hook = HkDebug::FindHookProc(hkproc); | 
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| 170 | break; | 
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| 171 | case WH_JOURNALPLAYBACK: | 
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| 172 | hook = HkJrnlPlayback::FindHookProc(hkproc); | 
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| 173 | break; | 
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| 174 | case WH_JOURNALRECORD: | 
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| 175 | hook = HkJrnlRecord::FindHookProc(hkproc); | 
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| 176 | break; | 
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| 177 | case WH_GETMESSAGE: | 
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| 178 | hook = HkGetMessage::FindHookProc(hkproc); | 
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| 179 | break; | 
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| 180 | case WH_MOUSE: | 
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| 181 | hook = HkMouse::FindHookProc(hkproc); | 
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| 182 | break; | 
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| 183 | case WH_KEYBOARD: | 
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| 184 | hook = HkKeyboard::FindHookProc(hkproc); | 
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| 185 | break; | 
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| 186 | case WH_SHELL: | 
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| 187 | hook = HkShell::FindHookProc(hkproc); | 
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| 188 | break; | 
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| 189 | case WH_SYSMSGFILTER: | 
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| 190 | hook = HkSysMsgFilter::FindHookProc(hkproc); | 
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| 191 | break; | 
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| 192 | case WH_MSGFILTER: | 
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| 193 | hook = HkMsgFilter::FindHookProc(hkproc); | 
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| 194 | break; | 
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| 195 | } | 
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| 196 | #ifdef DEBUG | 
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| 197 | WriteLog("OS2UnhookWindowsHook %X\n", hook); | 
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| 198 | #endif | 
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| 199 | if(hook == 0) | 
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| 200 | return(FALSE); | 
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| 201 |  | 
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| 202 | return O32_UnhookWindowsHookEx(hook); | 
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| 203 | } | 
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| 204 | //****************************************************************************** | 
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| 205 | //****************************************************************************** | 
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| 206 | LRESULT WIN32API CallNextHookEx(HHOOK arg1, int arg2, WPARAM arg3, LPARAM  arg4) | 
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| 207 | { | 
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| 208 | HkCBT *hook; | 
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| 209 |  | 
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| 210 | #ifdef DEBUG | 
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| 211 | WriteLog("OS2CallNextHookEx\n"); | 
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| 212 | #endif | 
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| 213 | if((hook = HkCBT::FindHook(arg1)) != NULL) { | 
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| 214 | return hook->CallNextHook(arg1, arg2, arg3, arg4); | 
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| 215 | } | 
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| 216 | else        return O32_CallNextHookEx(arg1, arg2, arg3, arg4); | 
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| 217 | } | 
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| 218 | //****************************************************************************** | 
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| 219 | //****************************************************************************** | 
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