/**************************************************************************** GDATA.CPP Owner: cslim Copyright (c) 1997-1999 Microsoft Corporation Instance data and Shared memory data management functions History: 14-JUL-1999 cslim Copied from IME98 source tree *****************************************************************************/ #include "private.h" #include "hanja.h" #include "immsec.h" #include "debug.h" #include "config.h" #include "gdata.h" #include "lexheader.h" // CIMEData static variables HANDLE CIMEData::m_vhSharedData = 0; IMEDATA CIMEData::m_ImeDataDef; static const CHAR IMEKR_IME_SHAREDDATA_MUTEX_NAME[] = "{E12875A0-C3F1-4273-AB6D-9B9948804271}"; static const CHAR IMEKR_IME_SHAREDDATA_NAME[] = "{F6AE3B77-65B1-4181-993C-701461C8F982}"; __inline BOOL DoEnterCriticalSection(HANDLE hMutex) { if(WAIT_FAILED==WaitForSingleObject(hMutex, 3000)) // Wait 3 seconds return(FALSE); return(TRUE); } BOOL CIMEData::InitSharedData() { HANDLE hMutex; BOOL fRet = fFalse; LPIMEDATA pImedata; DebugMsg(DM_TRACE, TEXT("InitSharedData")); hMutex = CreateMutex(GetIMESecurityAttributes(), fFalse, IMEKR_IME_SHAREDDATA_MUTEX_NAME); if (hMutex != NULL) { // *** Begin Critical Section *** DoEnterCriticalSection(hMutex); if((m_vhSharedData = OpenFileMapping(FILE_MAP_READ|FILE_MAP_WRITE, fTrue, IMEKR_IME_SHAREDDATA_NAME))) { DebugMsg(DM_TRACE, TEXT("InitSharedData - IME shared data already exist")); fRet = fTrue; } else // if shared memory does not exist { m_vhSharedData = CreateFileMapping(INVALID_HANDLE_VALUE, GetIMESecurityAttributes(), PAGE_READWRITE, 0, sizeof(IMEDATA), IMEKR_IME_SHAREDDATA_NAME); Assert(m_vhSharedData != 0); // if shared memory not exist create it if (m_vhSharedData) { DebugMsg(DM_TRACE, TEXT("InitSharedData::InitSharedData() - File mapping Created")); pImedata = (LPIMEDATA)MapViewOfFile(m_vhSharedData, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0); if (!pImedata) { Assert(0); goto ExitCreateSharedData; } // initialize the data to zero ZeroMemory(pImedata, sizeof(IMEDATA)); // Unint value of status and comp window position pImedata->ptStatusPos.x = pImedata->ptStatusPos.y = -1; pImedata->ptCompPos.x = pImedata->ptCompPos.y = -1; // Unmap memory UnmapViewOfFile(pImedata); DebugMsg(DM_TRACE, TEXT("IME shared data handle created successfully")); fRet = fTrue; } } ExitCreateSharedData: ReleaseMutex(hMutex); CloseHandle(hMutex); // *** End Critical Section *** } FreeIMESecurityAttributes(); return fRet; } // Close shared memory handle. This called when process detach time. BOOL CIMEData::CloseSharedMemory() { HANDLE hMutex; BOOL fRet = fTrue; DebugMsg(DM_TRACE, TEXT("CloseSharedMemory")); hMutex = CreateMutex(GetIMESecurityAttributes(), fFalse, IMEKR_IME_SHAREDDATA_MUTEX_NAME); // *** Begin Critical Section *** DoEnterCriticalSection(hMutex); if (m_vhSharedData) { if (fRet = CloseHandle(m_vhSharedData)) m_vhSharedData = 0; Assert(fRet); } ReleaseMutex(hMutex); CloseHandle(hMutex); // *** End Critical Section *** FreeIMESecurityAttributes(); return fTrue; } /////////////////////////////////////////////////////////////////////////////// void CIMEData::InitImeData() { if (m_pImedata == NULL) return; // Get Work Area SystemParametersInfo(SPI_GETWORKAREA, 0, &(m_pImedata->rcWorkArea), 0); // If IMEDATA is not initialized ever, fill it with default value first, // and then try to read from registry. // If IMEDATA overwritten by any reason, it will recover to initial data. if (m_pImedata->ulMagic != IMEDATA_MAGIC_NUMBER) { m_pImedata->ulMagic = IMEDATA_MAGIC_NUMBER; // Default option setting. It can be changed according to registry in ImeSelect SetCurrentBeolsik(KL_2BEOLSIK); m_pImedata->fJasoDel = fTrue; m_pImedata->fKSC5657Hanja = fFalse; // Default status Buttons #if !defined(_WIN64) m_pImedata->uNumOfButtons = 3; #else m_pImedata->uNumOfButtons = 2; #endif m_pImedata->iCurButtonSize = BTN_MIDDLE; m_pImedata->StatusButtons[0].m_ButtonType = HAN_ENG_TOGGLE_BUTTON; m_pImedata->StatusButtons[1].m_ButtonType = HANJA_CONV_BUTTON; #if !defined(_WIN64) m_pImedata->StatusButtons[2].m_ButtonType = IME_PAD_BUTTON; m_pImedata->StatusButtons[3].m_ButtonType = NULL_BUTTON; #else m_pImedata->StatusButtons[2].m_ButtonType = NULL_BUTTON; #endif // Get all regstry info GetRegValues(GETSET_REG_ALL); // m_pImedata->xCandWi = 320; m_pImedata->yCandHi = 30; } }