Leaked source code of windows server 2003
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/*++
Copyright (c) 2001, Microsoft Corporation
Module Name:
editcomp.cpp
Abstract:
This file implements the EditCompositionString Class.
Author:
Revision History:
Notes:
--*/
#include "private.h"
#include "editcomp.h"
#include "context.h"
#include "compstr.h"
#include "profile.h"
#include "delay.h"
// static BOOL fHanjaRequested = FALSE; // consider: this is not thread safe
/////////////////////////////////////////////////////////////////////////////
// EditCompositionString
//
// Set (almost) all in composition string
//
HRESULT
EditCompositionString::SetString(
IMCLock& imc,
CicInputContext& CicContext,
CWCompString* CompStr,
CWCompAttribute* CompAttr,
CWCompClause* CompClause,
CWCompCursorPos* CompCursorPos,
CWCompDeltaStart* CompDeltaStart,
CWCompTfGuidAtom* CompGuid,
OUT BOOL* lpbBufferOverflow,
CWCompString* CompReadStr,
CWCompAttribute* CompReadAttr,
CWCompClause* CompReadClause,
CWCompString* ResultStr,
CWCompClause* ResultClause,
CWCompString* ResultReadStr,
CWCompClause* ResultReadClause,
CWInterimString* InterimStr
)
{
HRESULT hr;
#ifdef UNSELECTCHECK
if (!_pAImeContext->m_fSelected)
return S_OK;
#endif UNSELECTCHECK
#if 0
DWORD dwImeCompatFlags = ImmGetAppCompatFlags((HIMC)imc);
#endif
if (CicContext.m_fHanjaReConversion.IsSetFlag() ||
CicContext.m_fInClearDocFeedEditSession.IsSetFlag())
{
#if 0
if ((dwImeCompatFlags & IMECOMPAT_AIMM_TRIDENT55) && CicContext.m_fHanjaReConversion.IsSetFlag())
CicContext.m_fHanjaRequested.SetFlag();
#endif
return S_OK;
}
//
// Clear the contents of candidate list
//
imc.ClearCand();
TRANSMSG msg;
if (InterimStr) {
hr = _MakeInterimData(imc,
InterimStr,
&msg.lParam);
}
else {
hr = _MakeCompositionData(imc,
CompStr, CompAttr, CompClause,
CompCursorPos, CompDeltaStart,
CompGuid,
CompReadStr, CompReadAttr, CompReadClause,
ResultStr, ResultClause,
ResultReadStr, ResultReadClause,
&msg.lParam,
lpbBufferOverflow);
}
if ( hr == S_OK || // In case of valid dwCompSize in the CCompStrFactory::CreateCompositionString
(hr == S_FALSE && CicContext.m_fStartComposition.IsSetFlag())
// In case of empty dwCompSize but still m_fStartComposition
) {
//
// Is available compstr/attr/clause, compread, result or resultread ?
//
bool fNoCompResultData = false;
if (! (msg.lParam & (GCS_COMP | GCS_COMPREAD | GCS_RESULT | GCS_RESULTREAD))) {
DebugMsg(TF_GENERAL, TEXT("EditCompositionString::SetString: No data in compstr, compread, result or resultread."));
fNoCompResultData = true;
if (CicContext.m_fStartComposition.IsResetFlag()) {
DebugMsg(TF_ERROR, TEXT("EditCompositionString::SetString: No send WM_IME_STARTCOMPOSITION yet."));
return S_FALSE;
}
}
#if 0
//
// New Trident(5.5 & 6.0) had a bug to convert Hanja.
// So _GenerateHanja() funtion try to generate message like as Korean
// legacy IME behavior.
//
// Send WM_IME_ENDCOMPOSITION and then WM_IME_COMPOSITION GCS_RESULT msg.
//
if ((dwImeCompatFlags & IMECOMPAT_AIMM_TRIDENT55) && CicContext.m_fHanjaRequested.IsSetFlag() &&
!fNoCompResultData && (msg.lParam & GCS_RESULT))
{
LANGID langid = LANG_NEUTRAL;
//
// TLS doesn't inherit in edit session.
//
TLS* ptls = TLS::GetTLS();
if (ptls != NULL)
{
CicProfile* _pProfile = ptls->GetCicProfile();
if (_pProfile != NULL)
{
_pProfile->GetLangId(&langid);
}
}
CicContext.m_fHanjaRequested.ResetFlag();
if (PRIMARYLANGID(langid) == LANG_KOREAN)
{
return _GenerateKoreanComposition(imc, CicContext, ResultStr);
}
}
CicContext.m_fHanjaRequested.ResetFlag();
#else
LANGID langid = LANG_NEUTRAL;
//
// TLS doesn't inherit in edit session.
//
TLS* ptls = TLS::GetTLS();
if (ptls != NULL)
{
CicProfile* _pProfile = ptls->GetCicProfile();
if (_pProfile != NULL)
{
_pProfile->GetLangId(&langid);
}
}
if (PRIMARYLANGID(langid) == LANG_KOREAN &&
!fNoCompResultData && (msg.lParam & GCS_RESULT))
{
if (_GenerateKoreanComposition(imc, CicContext, ResultStr) == S_OK)
{
return S_OK;
}
}
#endif
//
// set private input context
//
bool fSetStartComp = false;
if (CicContext.m_fStartComposition.IsResetFlag()) {
CicContext.m_fStartComposition.SetFlag();
TRANSMSG start_msg;
start_msg.message = WM_IME_STARTCOMPOSITION;
start_msg.wParam = (WPARAM) 0;
start_msg.lParam = (LPARAM) 0;
if (CicContext.m_pMessageBuffer) {
CicContext.m_pMessageBuffer->SetData(start_msg);
fSetStartComp = true;
}
}
if (! fNoCompResultData) {
msg.message = WM_IME_COMPOSITION;
IMCCLock<COMPOSITIONSTRING> pCompStr((HIMCC)imc->hCompStr);
if (msg.lParam & GCS_RESULT)
{
msg.wParam = (WPARAM)(*(WCHAR*)pCompStr.GetOffsetPointer(pCompStr->dwResultStrOffset));
if (PRIMARYLANGID(langid) == LANG_KOREAN &&
msg.lParam & GCS_RESULTSTR)
{
TRANSMSG comp_result_msg;
comp_result_msg.message = msg.message;
comp_result_msg.wParam = msg.wParam;
comp_result_msg.lParam = GCS_RESULTSTR;
//
// Only set GCS_RESULTSTR for compatibility(#487046).
//
if (CicContext.m_pMessageBuffer)
CicContext.m_pMessageBuffer->SetData(comp_result_msg);
msg.lParam &= ~GCS_RESULTSTR;
//
// Send another composition string message.
//
if (msg.lParam & GCS_COMPSTR)
msg.wParam = (WPARAM)(*(WCHAR*)pCompStr.GetOffsetPointer(pCompStr->dwCompStrOffset));
}
}
else
{
msg.wParam = (WPARAM)(*(WCHAR*)pCompStr.GetOffsetPointer(pCompStr->dwCompStrOffset));
}
if (CicContext.m_pMessageBuffer) {
CicContext.m_pMessageBuffer->SetData(msg);
//
// Internal notification to UI window
// When receive this msg in UI wnd, then calls QueryCharPos().
//
if (fSetStartComp) {
TRANSMSG notify_msg;
notify_msg.message = WM_IME_NOTIFY;
notify_msg.wParam = (WPARAM)WM_IME_STARTCOMPOSITION;
notify_msg.lParam = 0;
CicContext.m_pMessageBuffer->SetData(notify_msg);
}
}
}
else {
msg.message = WM_IME_COMPOSITION;
if ((PRIMARYLANGID(langid) != LANG_JAPANESE))
{
msg.wParam = (WPARAM)VK_ESCAPE;
msg.lParam = (LPARAM)(GCS_COMPREAD | GCS_COMP | GCS_CURSORPOS | GCS_DELTASTART);
}
else
{
//
// #509247
//
// Some apps don't accept lParam without compstr in hIMC.
//
msg.wParam = 0;
msg.lParam = 0;
}
if (CicContext.m_pMessageBuffer)
CicContext.m_pMessageBuffer->SetData(msg);
}
if ((ResultStr && ResultStr->GetSize() && !(msg.lParam & GCS_COMP))
|| fNoCompResultData) {
//
// We're ending the composition
//
CicContext.m_fStartComposition.ResetFlag();
TRANSMSG end_msg;
end_msg.message = WM_IME_ENDCOMPOSITION;
end_msg.wParam = (WPARAM) 0;
end_msg.lParam = (LPARAM) 0;
if (CicContext.m_pMessageBuffer) {
CicContext.m_pMessageBuffer->SetData(end_msg);
//
// Internal notification to UI window
// When receive this msg in UI wnd, then clear QueryCharPos's flag.
//
TRANSMSG notify_msg;
notify_msg.message = WM_IME_NOTIFY;
notify_msg.wParam = (WPARAM)WM_IME_ENDCOMPOSITION;
notify_msg.lParam = 0;
CicContext.m_pMessageBuffer->SetData(notify_msg);
if (CicContext.m_fInProcessKey.IsSetFlag())
CicContext.m_fGeneratedEndComposition.SetFlag();
}
}
#ifdef DEBUG
IMCCLock<COMPOSITIONSTRING> comp(imc->hCompStr);
#endif
#if 0
// Move to editses.cpp
if (fGenerateMessage) {
CicContext.GenerateMessage(imc);
}
#endif
hr = S_OK;
//
// Update the previous result string cache.
//
CicContext.UpdatePrevResultStr(imc);
}
return hr;
}
//
// Make composition string data in the IMCCLock<_COMPOSITIONSTRING> comp.
//
HRESULT
EditCompositionString::_MakeCompositionData(
IMCLock& imc,
CWCompString* CompStr,
CWCompAttribute* CompAttr,
CWCompClause* CompClause,
CWCompCursorPos* CompCursorPos,
CWCompDeltaStart* CompDeltaStart,
CWCompTfGuidAtom* CompGuid,
CWCompString* CompReadStr,
CWCompAttribute* CompReadAttr,
CWCompClause* CompReadClause,
CWCompString* ResultStr,
CWCompClause* ResultClause,
CWCompString* ResultReadStr,
CWCompClause* ResultReadClause,
OUT LPARAM* lpdwFlag,
OUT BOOL* lpbBufferOverflow
)
{
DebugMsg(TF_FUNC, TEXT("EditCompositionString::MakeCompositionData"));
*lpdwFlag = (LPARAM) 0;
HRESULT hr;
CCompStrFactory compstrfactory(imc->hCompStr);
if (FAILED(hr=compstrfactory.GetResult()))
return hr;
hr = compstrfactory.CreateCompositionString(CompStr,
CompAttr,
CompClause,
CompGuid,
CompReadStr,
CompReadAttr,
CompReadClause,
ResultStr,
ResultClause,
ResultReadStr,
ResultReadClause
);
if (FAILED(hr))
return hr;
//
// Composition string
//
if (lpbBufferOverflow != NULL)
*lpbBufferOverflow = FALSE;
if (CompStr && CompStr->GetSize()) {
#if 0
/*
* If composition string length over the buffer of COMPOSITIONSTRING.compstr[NMAXKEY],
* then we want to finalize this composition string.
*/
if ((*comp)->dwCompStrLen >= NMAXKEY) {
if (lpbBufferOverflow != NULL)
*lpbBufferOverflow = TRUE;
//
// Clear compsition string length.
//
(*comp)->dwCompStrLen = 0;
//
// Make result string.
//
(*comp)->dwResultStrLen = NMAXKEY;
CompStr->ReadCompData((*comp)->W.resultstr, ARRAYSIZE((*comp)->W.resultstr));
*lpdwFlag |= (LPARAM) GCS_RESULTSTR;
}
else
#endif
{
hr = compstrfactory.WriteData<CWCompString, WCHAR>(*CompStr,
&compstrfactory->dwCompStrLen,
&compstrfactory->dwCompStrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPSTR;
else
goto Exit;
}
}
if ((lpbBufferOverflow == NULL) ||
(lpbBufferOverflow != NULL && (! *lpbBufferOverflow))) {
//
// Compoition attribute
//
if (CompAttr && CompAttr->GetSize()) {
hr = compstrfactory.WriteData<CWCompAttribute, BYTE>(*CompAttr,
&compstrfactory->dwCompAttrLen,
&compstrfactory->dwCompAttrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPATTR;
else
goto Exit;
}
//
// Compoition clause
//
if (CompClause && CompClause->GetSize()) {
hr = compstrfactory.WriteData<CWCompClause, DWORD>(*CompClause,
&compstrfactory->dwCompClauseLen,
&compstrfactory->dwCompClauseOffset
);
compstrfactory->dwCompClauseLen *= sizeof(DWORD);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPCLAUSE;
else
goto Exit;
}
//
// Composition Reading string
//
if (CompReadStr && CompReadStr->GetSize()) {
hr = compstrfactory.WriteData<CWCompString, WCHAR>(*CompReadStr,
&compstrfactory->dwCompReadStrLen,
&compstrfactory->dwCompReadStrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPREADSTR;
else
goto Exit;
}
//
// Compoition Reading attribute
//
if (CompReadAttr && CompReadAttr->GetSize()) {
hr = compstrfactory.WriteData<CWCompAttribute, BYTE>(*CompReadAttr,
&compstrfactory->dwCompReadAttrLen,
&compstrfactory->dwCompReadAttrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPREADATTR;
else
goto Exit;
}
//
// Composition Reading clause
//
if (CompReadClause && CompReadClause->GetSize()) {
hr = compstrfactory.WriteData<CWCompClause, DWORD>(*CompReadClause,
&compstrfactory->dwCompReadClauseLen,
&compstrfactory->dwCompReadClauseOffset
);
compstrfactory->dwCompReadClauseLen *= sizeof(DWORD);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_COMPREADCLAUSE;
else
goto Exit;
}
//
// Result String
//
if (ResultStr && ResultStr->GetSize()) {
hr = compstrfactory.WriteData<CWCompString, WCHAR>(*ResultStr,
&compstrfactory->dwResultStrLen,
&compstrfactory->dwResultStrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_RESULTSTR;
else
goto Exit;
}
//
// Result clause
//
if (ResultClause && ResultClause->GetSize()) {
hr = compstrfactory.WriteData<CWCompClause, DWORD>(*ResultClause,
&compstrfactory->dwResultClauseLen,
&compstrfactory->dwResultClauseOffset
);
compstrfactory->dwResultClauseLen *= sizeof(DWORD);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_RESULTCLAUSE;
else
goto Exit;
}
//
// Result Reading string
//
if (ResultReadStr && ResultReadStr->GetSize()) {
hr = compstrfactory.WriteData<CWCompString, WCHAR>(*ResultReadStr,
&compstrfactory->dwResultReadStrLen,
&compstrfactory->dwResultReadStrOffset
);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_RESULTREADSTR;
else
goto Exit;
}
//
// Result Reading clause
//
if (ResultReadClause && ResultReadClause->GetSize()) {
hr = compstrfactory.WriteData<CWCompClause, DWORD>(*ResultReadClause,
&compstrfactory->dwResultReadClauseLen,
&compstrfactory->dwResultReadClauseOffset
);
compstrfactory->dwResultReadClauseLen *= sizeof(DWORD);
if (SUCCEEDED(hr))
*lpdwFlag |= (LPARAM) GCS_RESULTREADCLAUSE;
else
goto Exit;
}
//
// TfGuidAtom
//
if (CompGuid && CompGuid->GetSize()) {
hr = compstrfactory.MakeGuidMapAttribute(CompGuid, CompAttr);
if (SUCCEEDED(hr))
{
// set INIT_GUID_ATOM flag in the fdwInit.
imc->fdwInit |= INIT_GUID_ATOM;
}
else
goto Exit;
}
}
//
// Composition Cursor Position
//
if (CompCursorPos && CompCursorPos->GetSize()) {
CompCursorPos->ReadCompData(&compstrfactory->dwCursorPos, 1);
*lpdwFlag |= (LPARAM) GCS_CURSORPOS;
}
//
// Delta Start
//
if (CompDeltaStart && CompDeltaStart->GetSize()) {
CompDeltaStart->ReadCompData(&compstrfactory->dwDeltaStart, 1);
*lpdwFlag |= (LPARAM) GCS_DELTASTART;
}
Exit:
//
// Copy back hCompStr to the Input Context
//
imc->hCompStr = compstrfactory.GetHandle();
return hr;
}
//
// Make interim string data in the IMCCLock<_COMPOSITIONSTRING> comp.
//
HRESULT
EditCompositionString::_MakeInterimData(
IMCLock& imc,
CWInterimString* InterimStr,
LPARAM* lpdwFlag
)
{
DebugMsg(TF_FUNC, TEXT("EditCompositionString::MakeInterimData"));
*lpdwFlag = (LPARAM) 0;
//
// Interim character and result string
//
HRESULT hr;
CCompStrFactory compstrfactory(imc->hCompStr);
if (FAILED(hr=compstrfactory.GetResult()))
return hr;
hr = compstrfactory.CreateCompositionString(InterimStr);
if (FAILED(hr))
return hr;
//
// Result string
//
if (InterimStr && InterimStr->GetSize()) {
hr = compstrfactory.WriteData<CWInterimString, WCHAR>(*InterimStr,
&compstrfactory->dwResultStrLen,
&compstrfactory->dwResultStrOffset
);
*lpdwFlag |= (LPARAM) GCS_RESULTSTR;
}
//
// Composition string (Interim character)
// Compoition attribute
//
CWCompString ch;
CWCompAttribute attr;
InterimStr->ReadInterimChar(&ch, &attr);
if (ch.GetSize() && ch.GetAt(0)) {
hr = compstrfactory.WriteData<CWCompString, WCHAR>(ch,
&compstrfactory->dwCompStrLen,
&compstrfactory->dwCompStrOffset
);
*lpdwFlag |= (LPARAM) GCS_COMPSTR;
hr = compstrfactory.WriteData<CWCompAttribute, BYTE>(attr,
&compstrfactory->dwCompAttrLen,
&compstrfactory->dwCompAttrOffset
);
*lpdwFlag |= (LPARAM) GCS_COMPATTR;
*lpdwFlag |= (LPARAM) CS_INSERTCHAR | CS_NOMOVECARET;
}
//
// Copy back hCompStr to the Input Context
//
imc->hCompStr = compstrfactory.GetHandle();
return hr;
}
//
// Generate WM_IME_ENDCOMPOSITION and WM_IME_COMPOSITION message for
// Trident 5.5 version. Since Trident 5.5 always expect WM_IME_ENDCOMPOSITION
// first in case of Hanja conversion.
//
HRESULT
EditCompositionString::_GenerateKoreanComposition(
IMCLock& imc,
CicInputContext& CicContext,
CWCompString* ResultStr)
{
HRESULT hr = S_FALSE;
DWORD dwImeCompatFlags = ImmGetAppCompatFlags(NULL);
BOOL fEndCompFirst = FALSE;
if (!MsimtfIsWindowFiltered(::GetFocus()) ||
(dwImeCompatFlags & IMECOMPAT_AIMM12_TRIDENT))
{
fEndCompFirst = TRUE;
}
if (ResultStr && ResultStr->GetSize())
{
if (fEndCompFirst)
{
//
// We're ending the composition
//
CicContext.m_fStartComposition.ResetFlag();
TRANSMSG end_msg;
end_msg.message = WM_IME_ENDCOMPOSITION;
end_msg.wParam = (WPARAM) 0;
end_msg.lParam = (LPARAM) 0;
if (CicContext.m_pMessageBuffer)
{
CicContext.m_pMessageBuffer->SetData(end_msg);
//
// Internal notification to UI window
// When receive this msg in UI wnd, then clear QueryCharPos's flag.
//
TRANSMSG notify_msg;
notify_msg.message = WM_IME_NOTIFY;
notify_msg.wParam = (WPARAM)WM_IME_ENDCOMPOSITION;
notify_msg.lParam = 0;
CicContext.m_pMessageBuffer->SetData(notify_msg);
if (CicContext.m_fInProcessKey.IsSetFlag())
CicContext.m_fGeneratedEndComposition.SetFlag();
}
TRANSMSG result_msg;
result_msg.message = WM_IME_COMPOSITION;
result_msg.lParam = GCS_RESULTSTR;
IMCCLock<COMPOSITIONSTRING> pCompStr((HIMCC)imc->hCompStr);
result_msg.wParam = (WPARAM)(*(WCHAR*)pCompStr.GetOffsetPointer(pCompStr->dwResultStrOffset));
if (CicContext.m_pMessageBuffer)
{
CicContext.m_pMessageBuffer->SetData(result_msg);
}
}
else
{
//
// Windows Bug 716419
// This is the same behavior with WinXP RTM AIMM1.2 code.
//
if (CicContext.m_fStartComposition.IsResetFlag()) {
CicContext.m_fStartComposition.SetFlag();
TRANSMSG start_msg;
start_msg.message = WM_IME_STARTCOMPOSITION;
start_msg.wParam = (WPARAM) 0;
start_msg.lParam = (LPARAM) 0;
if (CicContext.m_pMessageBuffer) {
CicContext.m_pMessageBuffer->SetData(start_msg);
}
}
TRANSMSG result_msg;
result_msg.message = WM_IME_COMPOSITION;
result_msg.lParam = GCS_RESULTSTR;
IMCCLock<COMPOSITIONSTRING> pCompStr((HIMCC)imc->hCompStr);
result_msg.wParam = (WPARAM)(*(WCHAR*)pCompStr.GetOffsetPointer(pCompStr->dwResultStrOffset));
if (CicContext.m_pMessageBuffer)
{
CicContext.m_pMessageBuffer->SetData(result_msg);
}
//
// We're ending the composition
//
CicContext.m_fStartComposition.ResetFlag();
TRANSMSG end_msg;
end_msg.message = WM_IME_ENDCOMPOSITION;
end_msg.wParam = (WPARAM) 0;
end_msg.lParam = (LPARAM) 0;
if (CicContext.m_pMessageBuffer)
{
CicContext.m_pMessageBuffer->SetData(end_msg);
//
// Internal notification to UI window
// When receive this msg in UI wnd, then clear QueryCharPos's flag.
//
TRANSMSG notify_msg;
notify_msg.message = WM_IME_NOTIFY;
notify_msg.wParam = (WPARAM)WM_IME_ENDCOMPOSITION;
notify_msg.lParam = 0;
CicContext.m_pMessageBuffer->SetData(notify_msg);
if (CicContext.m_fInProcessKey.IsSetFlag())
CicContext.m_fGeneratedEndComposition.SetFlag();
}
}
hr = S_OK;
}
#ifdef DEBUG
IMCCLock<COMPOSITIONSTRING> comp(imc->hCompStr);
#endif
#if 0
// Move to editses.cpp
if (fGenerateMessage)
{
imc.GenerateMessage();
}
#endif
return hr;
}