candidate.c File Reference

#include "precomp.h"

Include dependency graph for candidate.c:

Go to the source code of this file.

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (imm)
DWORD APIENTRY	CandidateListWideToAnsi (const CANDIDATELIST *pWideCL, LPCANDIDATELIST pAnsiCL, DWORD dwBufLen, UINT uCodePage)
DWORD APIENTRY	CandidateListAnsiToWide (const CANDIDATELIST *pAnsiCL, LPCANDIDATELIST pWideCL, DWORD dwBufLen, UINT uCodePage)
static DWORD APIENTRY	ImmGetCandidateListAW (HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen, BOOL bAnsi)
DWORD APIENTRY	ImmGetCandidateListCountAW (HIMC hIMC, LPDWORD lpdwListCount, BOOL bAnsi)
DWORD WINAPI	ImmGetCandidateListA (HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen)
DWORD WINAPI	ImmGetCandidateListCountA (HIMC hIMC, LPDWORD lpdwListCount)
DWORD WINAPI	ImmGetCandidateListCountW (HIMC hIMC, LPDWORD lpdwListCount)
DWORD WINAPI	ImmGetCandidateListW (HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen)
BOOL WINAPI	ImmGetCandidateWindow (HIMC hIMC, DWORD dwIndex, LPCANDIDATEFORM lpCandidate)
BOOL WINAPI	ImmSetCandidateWindow (HIMC hIMC, LPCANDIDATEFORM lpCandidate)

Function Documentation

CandidateListAnsiToWide()

DWORD APIENTRY CandidateListAnsiToWide	(	const CANDIDATELIST *	pAnsiCL,
		LPCANDIDATELIST	pWideCL,
		DWORD	dwBufLen,
		UINT	uCodePage
	)

Definition at line 84 of file candidate.c.

{
    DWORD dwSize, dwIndex, cchGot, cbGot, cbLeft;
    const BYTE *pbAnsi;
    LPBYTE pbWide;
    LPDWORD pibOffsets;
 
    /* calculate total wide size */
    if (pAnsiCL->dwCount > 0)
    {
        dwSize = sizeof(CANDIDATELIST) + ((pAnsiCL->dwCount - 1) * sizeof(DWORD));
        for (dwIndex = 0; dwIndex < pAnsiCL->dwCount; ++dwIndex)
        {
            pbAnsi = (const BYTE *)pAnsiCL + pAnsiCL->dwOffset[dwIndex];
            cchGot = MultiByteToWideChar(uCodePage, MB_PRECOMPOSED, (LPCSTR)pbAnsi, -1, NULL, 0);
            dwSize += cchGot * sizeof(WCHAR);
        }
    }
    else
    {
        dwSize = sizeof(CANDIDATELIST);
    }
 
    dwSize = ROUNDUP4(dwSize);
    if (dwBufLen == 0)
        return dwSize;
    if (dwBufLen < dwSize)
        return 0;
 
    /* store to wide */
    pWideCL->dwSize = dwBufLen;
    pWideCL->dwStyle = pAnsiCL->dwStyle;
    pWideCL->dwCount = pAnsiCL->dwCount;
    pWideCL->dwSelection = pAnsiCL->dwSelection;
    pWideCL->dwPageStart = pAnsiCL->dwPageStart;
    pWideCL->dwPageSize = pAnsiCL->dwPageSize;
 
    pibOffsets = pWideCL->dwOffset;
    if (pAnsiCL->dwCount > 0)
    {
        pibOffsets[0] = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
        cbLeft = dwBufLen - pibOffsets[0];
 
        for (dwIndex = 0; dwIndex < pAnsiCL->dwCount; ++dwIndex)
        {
            pbAnsi = (const BYTE *)pAnsiCL + pAnsiCL->dwOffset[dwIndex];
            pbWide = (LPBYTE)pWideCL + pibOffsets[dwIndex];
 
            /* convert to wide */
            cchGot = MultiByteToWideChar(uCodePage, MB_PRECOMPOSED, (LPCSTR)pbAnsi, -1,
                                         (LPWSTR)pbWide, cbLeft / sizeof(WCHAR));
            cbGot = cchGot * sizeof(WCHAR);
            cbLeft -= cbGot;
 
            if (dwIndex + 1 < pAnsiCL->dwCount)
                pibOffsets[dwIndex + 1] = pibOffsets[dwIndex] + cbGot;
        }
    }
    else
    {
        pibOffsets[0] = sizeof(CANDIDATELIST);
    }
 
    return dwBufLen;
}

Referenced by ImmGetCandidateListAW(), ImmGetCandidateListCountAW(), ImmGetConversionListW(), and ImmGetGuideLineAW().

CandidateListWideToAnsi()

DWORD APIENTRY CandidateListWideToAnsi	(	const CANDIDATELIST *	pWideCL,
		LPCANDIDATELIST	pAnsiCL,
		DWORD	dwBufLen,
		UINT	uCodePage
	)

Definition at line 14 of file candidate.c.

{
    BOOL bUsedDefault;
    DWORD dwSize, dwIndex, cbGot, cbLeft;
    const BYTE *pbWide;
    LPBYTE pbAnsi;
    LPDWORD pibOffsets;
 
    /* calculate total ansi size */
    if (pWideCL->dwCount > 0)
    {
        dwSize = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
        for (dwIndex = 0; dwIndex < pWideCL->dwCount; ++dwIndex)
        {
            pbWide = (const BYTE *)pWideCL + pWideCL->dwOffset[dwIndex];
            cbGot = WideCharToMultiByte(uCodePage, 0, (LPCWSTR)pbWide, -1, NULL, 0,
                                        NULL, &bUsedDefault);
            dwSize += cbGot;
        }
    }
    else
    {
        dwSize = sizeof(CANDIDATELIST);
    }
 
    dwSize = ROUNDUP4(dwSize);
    if (dwBufLen == 0)
        return dwSize;
    if (dwBufLen < dwSize)
        return 0;
 
    /* store to ansi */
    pAnsiCL->dwSize = dwBufLen;
    pAnsiCL->dwStyle = pWideCL->dwStyle;
    pAnsiCL->dwCount = pWideCL->dwCount;
    pAnsiCL->dwSelection = pWideCL->dwSelection;
    pAnsiCL->dwPageStart = pWideCL->dwPageStart;
    pAnsiCL->dwPageSize = pWideCL->dwPageSize;
 
    pibOffsets = pAnsiCL->dwOffset;
    if (pWideCL->dwCount > 0)
    {
        pibOffsets[0] = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
        cbLeft = dwBufLen - pibOffsets[0];
 
        for (dwIndex = 0; dwIndex < pWideCL->dwCount; ++dwIndex)
        {
            pbWide = (const BYTE *)pWideCL + pWideCL->dwOffset[dwIndex];
            pbAnsi = (LPBYTE)pAnsiCL + pibOffsets[dwIndex];
 
            /* convert to ansi */
            cbGot = WideCharToMultiByte(uCodePage, 0, (LPCWSTR)pbWide, -1,
                                        (LPSTR)pbAnsi, cbLeft, NULL, &bUsedDefault);
            cbLeft -= cbGot;
 
            if (dwIndex < pWideCL->dwCount - 1)
                pibOffsets[dwIndex + 1] = pibOffsets[dwIndex] + cbGot;
        }
    }
    else
    {
        pibOffsets[0] = sizeof(CANDIDATELIST);
    }
 
    return dwBufLen;
}

Referenced by ImmGetCandidateListAW(), ImmGetCandidateListCountAW(), ImmGetConversionListA(), and ImmGetGuideLineAW().

ImmGetCandidateListA()

DWORD WINAPI ImmGetCandidateListA	(	HIMC	hIMC,
		DWORD	dwIndex,
		LPCANDIDATELIST	lpCandList,
		DWORD	dwBufLen
	)

Definition at line 343 of file candidate.c.

{
    return ImmGetCandidateListAW(hIMC, dwIndex, lpCandList, dwBufLen, TRUE);
}

Referenced by ActiveIMMApp_GetCandidateListA(), and test_InvalidIMC().

ImmGetCandidateListAW()

static DWORD APIENTRY ImmGetCandidateListAW ( HIMC  hIMC, DWORD  dwIndex, LPCANDIDATELIST  lpCandList, DWORD  dwBufLen, BOOL  bAnsi  )

static

Definition at line 153 of file candidate.c.

{
    DWORD dwSize, ret = 0;
    UINT uCodePage;
    LPINPUTCONTEXT pIC;
    PCLIENTIMC pClientImc;
    LPCANDIDATEINFO pCI;
    LPCANDIDATELIST pCL;
 
    pClientImc = ImmLockClientImc(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pClientImc))
        return 0;
 
    uCodePage = pClientImc->uCodePage;
    pIC = ImmLockIMC(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pIC))
    {
        ImmUnlockClientImc(pClientImc);
        return 0;
    }
 
    pCI = ImmLockIMCC(pIC->hCandInfo);
    if (IS_NULL_UNEXPECTEDLY(pCI))
    {
        ImmUnlockIMC(hIMC);
        ImmUnlockClientImc(pClientImc);
        return 0;
    }
 
    if (pCI->dwSize < sizeof(CANDIDATEINFO))
    {
        ERR("Too small\n");
        goto Quit;
    }
 
    if (pCI->dwCount <= dwIndex)
    {
        ERR("Out of boundary\n");
        goto Quit;
    }
 
    /* get required size */
    pCL = (LPCANDIDATELIST)((LPBYTE)pCI + pCI->dwOffset[dwIndex]);
    if (bAnsi)
    {
        if (pClientImc->dwFlags & CLIENTIMC_WIDE)
            dwSize = CandidateListAnsiToWide(pCL, NULL, 0, uCodePage);
        else
            dwSize = pCL->dwSize;
    }
    else
    {
        if (pClientImc->dwFlags & CLIENTIMC_WIDE)
            dwSize = pCL->dwSize;
        else
            dwSize = CandidateListWideToAnsi(pCL, NULL, 0, uCodePage);
    }
 
    if (dwBufLen != 0 && dwSize != 0)
    {
        if (lpCandList == NULL || dwBufLen < dwSize)
            goto Quit;
 
        /* store */
        if (bAnsi)
        {
            if (pClientImc->dwFlags & CLIENTIMC_WIDE)
                CandidateListAnsiToWide(pCL, lpCandList, dwSize, uCodePage);
            else
                RtlCopyMemory(lpCandList, pCL, dwSize);
        }
        else
        {
            if (pClientImc->dwFlags & CLIENTIMC_WIDE)
                RtlCopyMemory(lpCandList, pCL, dwSize);
            else
                CandidateListWideToAnsi(pCL, lpCandList, dwSize, uCodePage);
        }
    }
 
    ret = dwSize;
 
Quit:
    ImmUnlockIMCC(pIC->hCandInfo);
    ImmUnlockIMC(hIMC);
    ImmUnlockClientImc(pClientImc);
    TRACE("ret: 0x%X\n", ret);
    return ret;
}

Referenced by ImmGetCandidateListA(), and ImmGetCandidateListW().

ImmGetCandidateListCountA()

DWORD WINAPI ImmGetCandidateListCountA	(	HIMC	hIMC,
		LPDWORD	lpdwListCount
	)

Definition at line 351 of file candidate.c.

{
    return ImmGetCandidateListCountAW(hIMC, lpdwListCount, TRUE);
}

Referenced by ActiveIMMApp_GetCandidateListCountA(), ActiveIMMApp_GetCandidateListCountW(), and test_InvalidIMC().

ImmGetCandidateListCountAW()

DWORD APIENTRY ImmGetCandidateListCountAW	(	HIMC	hIMC,
		LPDWORD	lpdwListCount,
		BOOL	bAnsi
	)

Definition at line 246 of file candidate.c.

{
    DWORD ret = 0, cbGot, dwIndex;
    PCLIENTIMC pClientImc;
    LPINPUTCONTEXT pIC;
    UINT uCodePage;
    const CANDIDATEINFO *pCI;
    const BYTE *pb;
    const CANDIDATELIST *pCL;
    const DWORD *pdwOffsets;
 
    if (IS_NULL_UNEXPECTEDLY(lpdwListCount))
        return 0;
 
    *lpdwListCount = 0;
 
    pClientImc = ImmLockClientImc(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pClientImc))
        return 0;
 
    pIC = ImmLockIMC(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pIC))
    {
        ImmUnlockClientImc(pClientImc);
        return 0;
    }
 
    uCodePage = pClientImc->uCodePage;
 
    pCI = ImmLockIMCC(pIC->hCandInfo);
    if (IS_NULL_UNEXPECTEDLY(pCI))
    {
        ImmUnlockIMC(hIMC);
        ImmUnlockClientImc(pClientImc);
        return 0;
    }
 
    if (pCI->dwSize < sizeof(CANDIDATEINFO))
    {
        ERR("Too small\n");
        goto Quit;
    }
 
    *lpdwListCount = pCI->dwCount; /* the number of candidate lists */
 
    /* calculate total size of candidate lists */
    if (bAnsi)
    {
        if (pClientImc->dwFlags & CLIENTIMC_WIDE)
        {
            ret = ROUNDUP4(pCI->dwPrivateSize);
            pdwOffsets = pCI->dwOffset;
            for (dwIndex = 0; dwIndex < pCI->dwCount; ++dwIndex)
            {
                pb = (const BYTE *)pCI + pdwOffsets[dwIndex];
                pCL = (const CANDIDATELIST *)pb;
                cbGot = CandidateListWideToAnsi(pCL, NULL, 0, uCodePage);
                ret += cbGot;
            }
        }
        else
        {
            ret = pCI->dwSize;
        }
    }
    else
    {
        if (pClientImc->dwFlags & CLIENTIMC_WIDE)
        {
            ret = pCI->dwSize;
        }
        else
        {
            ret = ROUNDUP4(pCI->dwPrivateSize);
            pdwOffsets = pCI->dwOffset;
            for (dwIndex = 0; dwIndex < pCI->dwCount; ++dwIndex)
            {
                pb = (const BYTE *)pCI + pdwOffsets[dwIndex];
                pCL = (const CANDIDATELIST *)pb;
                cbGot = CandidateListAnsiToWide(pCL, NULL, 0, uCodePage);
                ret += cbGot;
            }
        }
    }
 
Quit:
    ImmUnlockIMCC(pIC->hCandInfo);
    ImmUnlockIMC(hIMC);
    ImmUnlockClientImc(pClientImc);
    TRACE("ret: 0x%X\n", ret);
    return ret;
}

Referenced by ImmGetCandidateListCountA(), and ImmGetCandidateListCountW().

ImmGetCandidateListCountW()

DWORD WINAPI ImmGetCandidateListCountW	(	HIMC	hIMC,
		LPDWORD	lpdwListCount
	)

Definition at line 359 of file candidate.c.

{
    return ImmGetCandidateListCountAW(hIMC, lpdwListCount, FALSE);
}

ImmGetCandidateListW()

DWORD WINAPI ImmGetCandidateListW	(	HIMC	hIMC,
		DWORD	dwIndex,
		LPCANDIDATELIST	lpCandList,
		DWORD	dwBufLen
	)

Definition at line 368 of file candidate.c.

{
    return ImmGetCandidateListAW(hIMC, dwIndex, lpCandList, dwBufLen, FALSE);
}

Referenced by ActiveIMMApp_GetCandidateListW().

ImmGetCandidateWindow()

BOOL WINAPI ImmGetCandidateWindow	(	HIMC	hIMC,
		DWORD	dwIndex,
		LPCANDIDATEFORM	lpCandidate
	)

Definition at line 377 of file candidate.c.

{
    BOOL ret = FALSE;
    LPINPUTCONTEXT pIC;
    LPCANDIDATEFORM pCF;
 
    TRACE("(%p, %lu, %p)\n", hIMC, dwIndex, lpCandidate);
 
    if (dwIndex >= MAX_CANDIDATEFORM) /* Windows didn't check but we do for security reason */
    {
        ERR("Out of boundary\n");
        return FALSE;
    }
 
    pIC = ImmLockIMC(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pIC))
        return FALSE;
 
    pCF = &pIC->cfCandForm[dwIndex];
    if (pCF->dwIndex != IMM_INVALID_CANDFORM)
    {
        *lpCandidate = *pCF;
        ret = TRUE;
    }
 
    ImmUnlockIMC(hIMC);
    TRACE("ret: %d\n", ret);
    return ret;
}

Referenced by ActiveIMMApp_GetCandidateWindow(), ImeWnd_OnImeSystem(), test_ImmThreads(), and test_InvalidIMC().

ImmSetCandidateWindow()

BOOL WINAPI ImmSetCandidateWindow	(	HIMC	hIMC,
		LPCANDIDATEFORM	lpCandidate
	)

Definition at line 410 of file candidate.c.

{
    HWND hWnd;
    LPINPUTCONTEXT pIC;
 
    TRACE("(%p, %p)\n", hIMC, lpCandidate);
 
    if (lpCandidate->dwIndex >= MAX_CANDIDATEFORM)
    {
        ERR("Out of boundary\n");
        return FALSE;
    }
 
    if (IS_CROSS_THREAD_HIMC(hIMC))
        return FALSE;
 
    pIC = ImmLockIMC(hIMC);
    if (IS_NULL_UNEXPECTEDLY(pIC))
        return FALSE;
 
    hWnd = pIC->hWnd;
    pIC->cfCandForm[lpCandidate->dwIndex] = *lpCandidate;
 
    ImmUnlockIMC(hIMC);
 
    Imm32MakeIMENotify(hIMC, hWnd, NI_CONTEXTUPDATED, 0, IMC_SETCANDIDATEPOS,
                       IMN_SETCANDIDATEPOS, (1 << (BYTE)lpCandidate->dwIndex));
    return TRUE;
}

Referenced by ActiveIMMApp_SetCandidateWindow(), ImeWnd_OnImeControl(), ImeWnd_OnImeSystem(), ImmGetContextThreadFunc(), and test_ImmThreads().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

imm

)