able/windows-nt
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity
windows-nt/Source/XPSP1/NT/windows/richedit/re41/cmsgflt.cpp
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

3076 lines
68 KiB
C++
Raw Permalink Blame History

/*
* @doc INTERNAL
*
* @module CMSGFLT.CPP -- Text Message Implementation |
*
* Most everything to do with IME message handling.
*
* Original Author: <nl>
* Hon Wah Chan
*
* History: <nl>
* 2/6/98 v-honwch
*
* Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved.
*/
#include "_common.h"
#ifndef NOFEPROCESSING
#ifndef NOPRIVATEMESSAGE
#include "_MSREMSG.H"
#endif
#include "_array.h"
#include "msctf.h"
#include "textstor.h"
#include "msctfp.h"
#include "textserv.h"
#include "_cmsgflt.h"
#include "_ime.h"
#include "_cuim.h"
#include "imeapp.h"
#define MAX_RECONVERSION_SIZE 100
#define CONTROL(_ch) (_ch - 'A' + 1)
/*
* void CreateIMEMessageFilter(ITextMsgFilter **ppMsgFilter)
*
* @func
* TextMsgFilter class factory.
*/
void CreateIMEMessageFilter(ITextMsgFilter **ppMsgFilter)
{
CTextMsgFilter *pNewFilter = new CTextMsgFilter;
*ppMsgFilter = pNewFilter ? pNewFilter : NULL;
}
/*
* void CTextMsgFilter::~CTextMsgFilter
*
* @mfunc
* CTextMsgFilter Destructor
* Release objects being used.
*
*/
CTextMsgFilter::~CTextMsgFilter ()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::~CTextMsgFilter");
if (_nIMEMode)
{
SetIMESentenseMode(FALSE);
_nIMEMode = 0;
}
if (_hIMCContext)
ImmAssociateContext(_hwnd, _hIMCContext, _fUsingAIMM); // Restore IME before exit
if (_pMsgCallBack)
{
delete _pMsgCallBack;
_pMsgCallBack = NULL;
}
// Release various objects
TurnOffUIM(FALSE);
TurnOffAimm(FALSE);
if (_pFilter)
_pFilter->Release();
if (_pTextSel)
_pTextSel->Release();
_pFilter = NULL;
_pTextDoc = NULL;
_pTextSel = NULL;
_hwnd = NULL;
_hIMCContext = NULL;
FreePv(_pcrComp);
_pcrComp = NULL;
}
/*
* STDMETHODIMP CTextMsgFilter::QueryInterface (riid, ppv)
*
* @mfunc
* IUnknown QueryInterface support
*
* @rdesc
* NOERROR if interface supported
*
*/
STDMETHODIMP CTextMsgFilter::QueryInterface (REFIID riid, void ** ppv)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::QueryInterface");
if( IsEqualIID(riid, IID_IUnknown) )
{
*ppv = (IUnknown *)this;
}
else if( IsEqualIID(riid, IID_ITextMsgFilter) )
{
*ppv = (ITextMsgFilter *)this;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
AddRef();
return NOERROR;
}
/*
* STDMETHODIMP_(ULONG) CTextMsgFilter::AddRef
*
* @mfunc
* IUnknown AddRef support
*
* @rdesc
* Reference count
*/
STDMETHODIMP_(ULONG) CTextMsgFilter::AddRef()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::AddRef");
return ++_crefs;
}
/*
* STDMETHODIMP_(ULONG) CTextMsgFilter::Release()
*
* @mfunc
* IUnknown Release support - delete object when reference count is 0
*
* @rdesc
* Reference count
*/
STDMETHODIMP_(ULONG) CTextMsgFilter::Release()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::Release");
_crefs--;
if( _crefs == 0 )
{
delete this;
return 0;
}
return _crefs;
}
/*
* STDMETHODIMP_(HRESULT) CTextMsgFilter::AttachDocument(HWND, ITextDocument2)
*
* @mfunc
* Attach message filter. Perform genral initialization
*
* @rdesc
* NOERROR
*/
STDMETHODIMP_(HRESULT) CTextMsgFilter::AttachDocument( HWND hwnd, ITextDocument2 *pTextDoc, IUnknown *punk)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::AttachDocument");
// Cache the values for possible later use.
// The TextDocument interface pointer is not AddRefed because it is a back pointer
// and the lifetime of message filters is assumed to be nested inside text documents
_hwnd = hwnd;
_pTextDoc = pTextDoc;
_pTextService = (ITextServices *)punk;
// Don't get selection until it is needed
_pTextSel = NULL;
_fUnicodeWindow = 0;
if (hwnd)
_fUnicodeWindow = IsWindowUnicode(hwnd);
_fUsingAIMM = 0;
_pTim = NULL;
_pCUIM = NULL;
_fUsingUIM = 0;
// Check if current keyboard is MSIME98 or later.
CheckIMEType(NULL);
// Initialize some member data
_fHangulToHanja = FALSE;
_fIMECancelComplete = FALSE;
_fIMEAlwaysNotify = FALSE;
_hIMCContext = NULL;
_pcrComp = NULL;
_pMsgCallBack = NULL;
_pTextDoc->GetFEFlags(&_lFEFlags);
_fRE10Mode = (_lFEFlags & tomRE10Mode);
_uSystemCodePage = GetACP();
return NOERROR;
}
/*
* STDMETHODIMP_(HRESULT) CTextMsgFilter::HandleMessage(UINT *, WPARAM *, LPARAM *, LRESULT *)
*
* @mfunc
* Main Message filter message loop handling
*
* @rdesc
* S_OK if we have handled the message
* S_FALSE if we want the caller to process the message
*/
STDMETHODIMP_(HRESULT) CTextMsgFilter::HandleMessage(
UINT * pmsg,
WPARAM * pwparam,
LPARAM * plparam,
LRESULT * plres)
{
//TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::HandleMessage");
HRESULT hr = S_FALSE;
BOOL bReleaseSelction = FALSE;
HRESULT hResult;
// Give other message filters a chance to handle message
// Stop with the first guy that handles the message
if (_pFilter)
hr = _pFilter->HandleMessage(pmsg, pwparam, plparam, plres);
if (hr == S_OK)
return hr;
if (IsIMEComposition() || _pCUIM && _pCUIM->IsUIMTyping())
{
// During IME Composition, there are some messages we should
// not handle. Also, there are other messages we need to handle by
// terminating the IME composition first.
// For WM_KEYDOWN, this is handled inside edit.c OnTxKeyDown().
switch( *pmsg )
{
case WM_COPY:
case WM_CUT:
case WM_DROPFILES:
case EM_REDO:
case EM_SETCHARFORMAT:
case WM_SETFONT:
return S_OK; // Just ignore these
case EM_UNDO:
case WM_UNDO:
// just terminate and exist for undo cases
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
return S_OK;
case WM_SETTEXT:
case WM_CLEAR:
case EM_STREAMIN:
// these messages are used to reset our state, so reset
// IME as well
CompleteUIMTyping(CIme::TERMINATE_FORCECANCEL);
break;
case EM_SETTEXTEX:
if (!_fRE10Mode) // Don't terminate if running in 10 mode
CompleteUIMTyping(CIme::TERMINATE_FORCECANCEL);
break;
case WM_SYSKEYDOWN:
// Don't terminate IME composition on VK_PROCESSKEY (F10) since Japanese
// IME will process the F10 key
if (*pwparam != VK_PROCESSKEY)
CompleteUIMTyping(CIme::TERMINATE_NORMAL); // otherwise we want to terminate the IME
break;
case WM_CHAR:
case WM_UNICHAR:
if (IsIMEComposition() && _ime->GetIMELevel() == IME_LEVEL_3 && !_fReceivedKeyDown)
return S_OK; // Ignore this during IME composition and we haven't seen
// any keydown message,
// else fall thru to terminate composition
_fReceivedKeyDown = 0;
case EM_SETWORDBREAKPROC:
case WM_PASTE:
case EM_PASTESPECIAL:
case EM_SCROLL:
case EM_SCROLLCARET:
case WM_VSCROLL:
case WM_HSCROLL:
case EM_SETREADONLY:
case EM_SETPARAFORMAT:
case WM_INPUTLANGCHANGEREQUEST:
case EM_REPLACESEL:
case EM_STREAMOUT:
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
break;
case WM_KILLFOCUS:
CompleteUIMTyping(CIme::TERMINATE_NORMAL, FALSE);
break;
case EM_SETSEL:
if (IsIMEComposition())
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
else
return S_OK; // Ignore this during Cicero typing
case WM_KEYUP:
_fReceivedKeyDown = 0;
break;
case WM_KEYDOWN:
_fReceivedKeyDown = 1;
if(GetKeyState(VK_CONTROL) & 0x8000)
{
// During IME Composition, there are some key events we should
// not handle. Also, there are other key events we need to handle by
// terminating the IME composition first.
switch((WORD) *pwparam)
{
case VK_TAB:
case VK_CLEAR:
case VK_NUMPAD5:
case 'A': // Ctrl-A => select all
case 'C': // Ctrl-C => copy
case 'X': // Ctrl-X => cut
case 'Y': // Ctrl-Y => redo
return S_OK; // Just ignore these
case 'V': // Ctrl-V => paste
case 'Z': // Ctrl-Z => undo
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
if ((WORD) *pwparam == 'Z') // Early exist for undo case
return S_OK;
}
}
else
{
switch((WORD) *pwparam)
{
case VK_F16:
return S_OK; // Just ignore these
case VK_BACK:
case VK_INSERT: // Ins
case VK_LEFT: // Left arrow
case VK_RIGHT: // Right arrow
case VK_UP: // Up arrow
case VK_DOWN: // Down arrow
case VK_HOME: // Home
case VK_END: // End
case VK_PRIOR: // PgUp
case VK_NEXT: // PgDn
case VK_DELETE: // Del
case CONTROL('J'):
case VK_RETURN:
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
break;
}
}
break;
default:
// Only need to handle mouse related msgs during composition
if (IN_RANGE(WM_MOUSEFIRST, *pmsg, WM_MBUTTONDBLCLK) || *pmsg == WM_SETCURSOR)
{
if (IsIMEComposition())
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = IMEMouseCheck( *this, pmsg, pwparam, plparam, plres);
goto Exit;
}
// Cicero composition
if (_pCUIM->_fMosueSink)
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = _pCUIM->MouseCheck(pmsg, pwparam, plparam, plres);
goto Exit;
}
if (IN_RANGE(WM_LBUTTONDOWN, *pmsg, WM_MOUSELAST) && !(*pmsg == WM_LBUTTONUP || *pmsg == WM_RBUTTONUP || *pmsg == WM_MBUTTONUP))
CompleteUIMTyping(CIme::TERMINATE_NORMAL); // Terminate on Mouse down and double-click messages
}
break;
}
}
// Get Fe Flags for ES_NOIME or ES_SELFIME setting
_lFEFlags = 0;
// ... Local mucking with msg, params, etc, ...
switch ( *pmsg )
{
case WM_CHAR:
hr = OnWMChar (pmsg, pwparam, plparam, plres);
break;
case WM_IME_CHAR:
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if ((_lFEFlags & ES_NOIME))
hr = S_OK;
else
hr = OnWMIMEChar (pmsg, pwparam, plparam, plres);
break;
case WM_IME_STARTCOMPOSITION:
_fReceivedKeyDown = 0;
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & ES_SELFIME))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = StartCompositionGlue (*this);
}
break;
case WM_IME_COMPOSITION:
_fReceivedKeyDown = 0;
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if ((_lFEFlags & ES_NOIME) && !IsIMEComposition())
hr = S_OK;
else if (!(_lFEFlags & ES_SELFIME))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
{
hr = CompositionStringGlue ( *plparam, *this );
// Turn off Result string bit to avoid WM_IME_CHAR message.
*plparam &= ~GCS_RESULTSTR;
}
}
if (_hwnd && IsIMEComposition() && _ime->IgnoreIMECharMsg())
{
_ime->AcceptIMECharMsg();
if (fHaveAIMM)
hr = CallAIMMDefaultWndProc(_hwnd, *pmsg, *pwparam, *plparam, plres);
else
*plres = ::DefWindowProc(_hwnd, *pmsg, *pwparam, *plparam);
hr = S_OK;
}
break;
case WM_IME_ENDCOMPOSITION:
_fReceivedKeyDown = 0;
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & ES_SELFIME))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = EndCompositionGlue ( *this, FALSE );
}
break;
case WM_IME_NOTIFY:
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & (ES_SELFIME | ES_NOIME)))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = IMENotifyGlue ( *pwparam, *plparam, *this );
}
break;
case WM_IME_COMPOSITIONFULL: // Level 2 comp string about to overflow.
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & ES_SELFIME))
{
IMECompositionFull ( *this );
}
hr = S_FALSE;
break;
case WM_KEYDOWN:
if (*pwparam == VK_KANJI)
{
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
// for Korean, need to convert the next Korean Hangul character to Hanja
if(CP_KOREAN == _uKeyBoardCodePage && !(_lFEFlags & (ES_SELFIME | ES_NOIME)))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = IMEHangeulToHanja ( *this );
}
}
break;
case WM_INPUTLANGCHANGE:
CheckIMEType((HKL)*plparam);
if (_nIMEMode && GetFocus() == _hwnd)
SetIMESentenseMode(TRUE, (HKL)*plparam);
hr = S_FALSE;
break;
case WM_INPUTLANGCHANGEREQUEST:
if (_nIMEMode && GetFocus() == _hwnd)
SetIMESentenseMode(FALSE);
break;
case WM_KILLFOCUS:
OnKillFocus();
break;
case WM_SETFOCUS:
OnSetFocus();
break;
case EM_SETIMEOPTIONS:
*plres = OnSetIMEOptions(*pwparam, *plparam);
hr = S_OK;
break;
case EM_GETIMEOPTIONS:
*plres = OnGetIMEOptions();
hr = S_OK;
break;
case WM_IME_REQUEST:
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & (ES_SELFIME | ES_NOIME)))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
{
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
if (*pwparam == IMR_RECONVERTSTRING || *pwparam == IMR_CONFIRMRECONVERTSTRING
|| *pwparam == IMR_DOCUMENTFEED)
hr = OnIMEReconvert(pmsg, pwparam, plparam, plres, _fUnicodeWindow);
else if (*pwparam == IMR_QUERYCHARPOSITION)
hr = OnIMEQueryPos(pmsg, pwparam, plparam, plres, _fUnicodeWindow);
}
}
break;
case EM_RECONVERSION:
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & (ES_SELFIME | ES_NOIME)))
{
// Application initiates reconversion
bReleaseSelction = GetTxSelection();
if (_pTextSel)
{
if (!(IsIMEComposition() || _pCUIM && _pCUIM->IsUIMTyping()))
{
if (_pCUIM && _pCUIM->Reconverse() >= 0)
break;
if (_fMSIME && MSIMEReconvertRequestMsg)
IMEMessage( *this, MSIMEReconvertRequestMsg, 0, (LPARAM)_hwnd, TRUE );
else
{
hr = OnIMEReconvert(pmsg, pwparam, plparam, plres, TRUE);
*plres = 0;
}
}
}
}
hr = S_OK;
break;
case EM_SETLANGOPTIONS:
// Setup IME related setting.
// hr is not S_OK so textserv could handle other language setting
_fIMEAlwaysNotify = (*plparam & IMF_IMEALWAYSSENDNOTIFY) != 0;
_fIMECancelComplete = (*plparam & IMF_IMECANCELCOMPLETE) != 0;
*plres = 1;
break;
case EM_GETLANGOPTIONS:
// Report IME related setting.
// hr is not S_OK so textserv could fill in other language setting
if ( _fIMECancelComplete )
*plres |= IMF_IMECANCELCOMPLETE;
if ( _fIMEAlwaysNotify )
*plres |= IMF_IMEALWAYSSENDNOTIFY;
break;
case EM_GETIMECOMPMODE:
// Get current IME level
if (_pCUIM && _pCUIM->IsUIMTyping())
*plres = ICM_CTF;
else
*plres = OnGetIMECompositionMode( *this );
hr = S_OK;
break;
case EM_SETUIM:
// This is RE private message equivalent to EM_SETEDITSTYLE
if (!_fNoIme) // Ignore if no IME
{
if (!_fUsingUIM && !_fUsingAIMM) // Ignore if we already using something
{
if (*pwparam == SES_USEAIMM11 || *pwparam == SES_USEAIMM12)
{
if (!_fTurnOffAIMM)
StartAimm(*pwparam == SES_USEAIMM12);
}
else if (!_fTurnOffUIM) // Client doesn't want UIM?
StartUIM();
}
}
hr = S_OK;
break;
case EM_SETEDITSTYLE:
if (*plparam & SES_USECTF)
{
if ((*pwparam & SES_USECTF))
{
if (!_fRE10Mode)
{
if (_fUsingAIMM)
TurnOffAimm(TRUE);
// Turn on Cicero
if (!_fUsingUIM)
StartUIM();
goto SKIP_AIMM;
}
}
else
{
// Turn off Cicero
_fTurnOffUIM = 1; // Flag to ignore in EM_SETUIM
if (_fUsingUIM)
TurnOffUIM(TRUE);
}
}
if ((*pwparam & SES_USEAIMM) && ((*plparam & SES_USEAIMM) || *plparam == 0))
{
if (_fUsingUIM)
TurnOffUIM(TRUE);
if (!_fUsingAIMM)
{
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & ES_NOIME)) // No IME style on?
StartAimm(TRUE);
}
}
else if ((*plparam & SES_USEAIMM))
{
_fTurnOffAIMM = 1; // Flag to ignore in EM_SETUIM
TurnOffAimm(TRUE);
}
SKIP_AIMM:
if ((*plparam == 0 || *plparam & SES_NOIME) && _hwnd)
{
if (*pwparam & SES_NOIME)
{
_fNoIme = 1;
TurnOffUIM(TRUE);
TurnOffAimm(TRUE);
if (!_hIMCContext)
_hIMCContext = ImmAssociateContext(_hwnd, NULL, _fUsingAIMM); // turn off IME
}
else if (*plparam & SES_NOIME)
{
_fNoIme = 0;
if (_hIMCContext)
ImmAssociateContext(_hwnd, _hIMCContext, _fUsingAIMM); // turn on IME
_hIMCContext = NULL;
}
}
if (*plparam & SES_CTFALLOWEMBED)
_fAllowEmbedded = (*pwparam & SES_CTFALLOWEMBED) ? 1 : 0;
if (*plparam & (SES_CTFALLOWSMARTTAG | SES_CTFALLOWPROOFING))
HandleCTFService(*pwparam, *plparam);
// remove settings that are handled.
*pwparam &= ~(SES_NOIME | SES_USEAIMM | SES_USECTF | SES_CTFALLOWEMBED | SES_CTFALLOWSMARTTAG | SES_CTFALLOWPROOFING);
*plparam &= ~(SES_NOIME | SES_USEAIMM | SES_USECTF | SES_CTFALLOWEMBED | SES_CTFALLOWSMARTTAG | SES_CTFALLOWPROOFING);
// fall thru to return the edit style
case EM_GETEDITSTYLE:
if (_hIMCContext)
*plres = SES_NOIME; // IME has been turned off
if (_fUsingAIMM)
*plres |= SES_USEAIMM; // AIMM is on
if (_fUsingUIM)
*plres |= SES_USECTF; // Cicero is on
// Cicero services
if (_fAllowEmbedded)
*plres |= SES_CTFALLOWEMBED;
if (_fAllowSmartTag)
*plres |= SES_CTFALLOWSMARTTAG;
if (_fAllowProofing)
*plres |= SES_CTFALLOWPROOFING;
break;
case EM_SETIMECOLOR:
if (_fRE10Mode)
{
COMPCOLOR* pcrComp = GetIMECompAttributes();
if (pcrComp)
{
memcpy(pcrComp, (const void *)(*plparam), sizeof(COMPCOLOR) * 4);
*plres = 1;
}
}
hr = S_OK;
break;
case EM_GETIMECOLOR:
if (_fRE10Mode)
{
COMPCOLOR* pcrComp = GetIMECompAttributes();
if (pcrComp)
{
memcpy((void *)(*plparam), pcrComp, sizeof(COMPCOLOR) * 4);
*plres = 1;
}
}
hr = S_OK;
break;
case EM_SETIMEMODEBIAS:
OnSetIMEMode(*pwparam, *plparam);
// following thru to return EM_GETIMEMODEBIAS
case EM_GETIMEMODEBIAS:
*plres = OnGetIMEMode();
hr = S_OK;
break;
case EM_SETCTFMODEBIAS:
OnSetUIMMode(*pwparam);
// following thru to return EM_GETCTFMODEBIAS
case EM_GETCTFMODEBIAS:
*plres = OnGetUIMMode();
hr = S_OK;
break;
case EM_SETCTFOPENSTATUS:
case EM_GETCTFOPENSTATUS:
*plres = 0;
if (_pCUIM)
*plres = _pCUIM->CTFOpenStatus(*pmsg == EM_GETCTFOPENSTATUS, *pwparam != 0);
hr = S_OK;
break;
case EM_ISIME:
*plres = CheckIMEType(NULL, 0);
hr = S_OK;
break;
case EM_GETIMEPROPERTY:
*plres = ImmGetProperty(GetKeyboardLayout(0x0FFFFFFFF), *pwparam, _fUsingAIMM);
hr = S_OK;
break;
case EM_GETIMECOMPTEXT:
*plres = OnGetIMECompText(*pwparam, *plparam);
hr = S_OK;
break;
case WM_SIZE:
case WM_MOVE:
if (_pMsgCallBack)
_pMsgCallBack->NotifyEvents(NE_LAYOUTCHANGE);
break;
case EM_GETOLEINTERFACE:
if(*plparam && *pwparam == 0x0435446) // 'CTF'
{
if (_pCUIM && _pCUIM->GetITfContext())
{
*(ITfContext **)(*plparam) = _pCUIM->GetITfContext();
_pCUIM->GetITfContext()->AddRef();
}
else
*(IUnknown **)(*plparam) = 0;
*plres = TRUE;
hr = S_OK;
}
break;
default:
if (*pmsg)
{
// Look for IME messages
if (*pmsg == MSIMEReconvertMsg || *pmsg == MSIMEDocFeedMsg
|| *pmsg == MSIMEQueryPositionMsg)
{
hResult = _pTextDoc->GetFEFlags(&_lFEFlags);
if (!(_lFEFlags & (ES_SELFIME | ES_NOIME)))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
{
if (*pmsg == MSIMEQueryPositionMsg)
hr = OnIMEQueryPos(pmsg, pwparam, plparam, plres, TRUE);
else
hr = OnIMEReconvert(pmsg, pwparam, plparam, plres, TRUE);
}
}
}
if (_pCUIM && _pCUIM->_fMosueSink &&
(IN_RANGE(WM_MOUSEFIRST, *pmsg, WM_MBUTTONDBLCLK) || *pmsg == WM_SETCURSOR))
{
bReleaseSelction = GetTxSelection();
if (_pTextSel)
hr = _pCUIM->MouseCheck(pmsg, pwparam, plparam, plres);
}
}
break;
}
Exit:
// Release Selection if we get it for this message
if (bReleaseSelction && _pTextSel)
{
_pTextSel->Release();
_pTextSel = NULL;
}
// Return the value that will cause message to be processed normally
return hr;
}
/*
* HRESULT CTextMsgFilter::AttachMsgFilter(ITextMsgFilter *)
*
* @mfunc
* Add another message filter to the chain
*
* @rdesc
* NOERROR if added
*/
HRESULT STDMETHODCALLTYPE CTextMsgFilter::AttachMsgFilter( ITextMsgFilter *pMsgFilter)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::AttachMsgFilter");
HRESULT hr = NOERROR;
if (_pFilter)
hr = _pFilter->AttachMsgFilter( pMsgFilter );
else
{
_pFilter = pMsgFilter;
_pFilter->AddRef();
}
return hr;
}
/*
* HRESULT CTextMsgFilter::OnWMChar(UINT *, WPARAM *, LPARAM *, LRESULT *)
*
* @mfunc
* Handle WM_CHAR message - look for Japanese keyboard with Kana key on
* Convert the SB Kana to Unicode if needed.
*
* @rdesc
* S_FALSE so caller will handle the modified character in wparam
*/
HRESULT CTextMsgFilter::OnWMChar(
UINT * pmsg,
WPARAM * pwparam,
LPARAM * plparam,
LRESULT * plres)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnWMChar");
// For Japanese keyboard, if Kana mode is on,
// Kana characters (single byte Japanese chars) are coming in via WM_CHAR.
if ( GetKeyState(VK_KANA) & 0x1 )
{
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
if (_uKeyBoardCodePage == CP_JAPAN)
{
// check if this is a single byte character.
TCHAR unicodeConvert;
BYTE bytes[2];
bytes[0] = (BYTE)(*pwparam >> 8); // Interchange DBCS bytes in endian
bytes[1] = (BYTE)*pwparam; // independent fashion (use byte array)
if (!bytes[0])
{
if(UnicodeFromMbcs((LPWSTR)&unicodeConvert, 1,
(LPCSTR)&bytes[1], 1, _uKeyBoardCodePage) == 1)
*pwparam = unicodeConvert;
}
return InputFEChar(*pwparam);
}
}
return S_FALSE;
}
/*
* HRESULT CTextMsgFilter::OnWMIMEChar(UINT *, WPARAM *, LPARAM *, LRESULT *)
*
* @mfunc
* Handle WM_IMECHAR message - convert the character to unicode.
*
* @rdesc
* S_OK - caller to ignore the message
* S_FALSE - caller to handle the message. wparam may contains a new char
*/
HRESULT CTextMsgFilter::OnWMIMEChar(
UINT * pmsg,
WPARAM * pwparam,
LPARAM * plparam,
LRESULT * plres)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnWMIMEChar");
TCHAR unicodeConvert;
BYTE bytes[2];
// We may receive IMECHAR even if we have handled the composition char already.
// This is the case when the host does not call the DefWinProc with the composition
// bit masked off. So, we need to ignore this message to avoid double entry.
if (IsIMEComposition() && _ime->IgnoreIMECharMsg())
{
_ime->SkipIMECharMsg(); // Skip this ime char msg
return S_OK;
}
if (_fUnicodeWindow && !W32->OnWin9x())
return S_FALSE;
bytes[0] = *pwparam >> 8; // Interchange DBCS bytes in endian
bytes[1] = *pwparam; // independent fashion (use byte array)
// need to convert both single-byte KANA and DBC
if (!bytes[0] || GetTrailBytesCount(bytes[0], _uKeyBoardCodePage))
{
if( UnicodeFromMbcs((LPWSTR)&unicodeConvert, 1,
bytes[0] == 0 ? (LPCSTR)&bytes[1] : (LPCSTR)bytes,
bytes[0] == 0 ? 1 : 2,
_uKeyBoardCodePage) == 1 )
*pwparam = unicodeConvert;
return InputFEChar(*pwparam);
}
return S_FALSE;
}
/*
* HRESULT CTextMsgFilter::OnIMEReconvert(UINT *, WPARAM *, LPARAM *, LRESULT *)
*
* @mfunc
* Handle IME Reconversion and Document feed. We only handle Unicode messages.
* We use a limit of MAX_RECONVERSION_SIZE(100) characters in both cases.
*
* @rdesc
* S_OK if we have handled the message
*/
HRESULT CTextMsgFilter::OnIMEReconvert(
UINT * pmsg,
WPARAM * pwparam,
LPARAM * plparam,
LRESULT * plres,
BOOL fUnicode)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnIMEReconvert");
HRESULT hr = S_OK;
LPRECONVERTSTRING lpRCS = (LPRECONVERTSTRING)(*plparam);
long cbStringSize;
long cpMin, cpMax;
long cpParaStart, cpParaEnd;
HRESULT hResult;
ITextRange *pTextRange, *pTempTextRange;
long cbAdded;
BOOL bDocumentFeed;
long cLastChar;
BOOL fAdjustedRange = FALSE;
*plres = 0;
// NT doesn't support Ansi window when the CP_ACP isn't the same
// as keyboard codepage.
if (!fUnicode && !(W32->OnWin9x()) && _uKeyBoardCodePage != _uSystemCodePage)
return S_OK;
bDocumentFeed = (MSIMEDocFeedMsg && *pmsg == MSIMEDocFeedMsg)
|| (*pmsg == WM_IME_REQUEST && *pwparam == IMR_DOCUMENTFEED);
if (bDocumentFeed && IsIMEComposition() && _ime->GetIMELevel() == IME_LEVEL_3)
{
// Composition in progress, use composition string as selection
cpMin = ((CIme_Lev3 *)_ime)->GetIMECompositionStart();
cpMax = ((CIme_Lev3 *)_ime)->GetIMECompositionLen() + cpMin;
}
else
{
// Get current selection
hResult = _pTextSel->GetStart(&cpMin);
hResult = _pTextSel->GetEnd(&cpMax);
}
// Expand to include the current paragraph
hResult = _pTextDoc->Range(cpMin, cpMax, &pTextRange);
Assert (pTextRange != NULL);
if (hResult != NOERROR)
return S_OK;
hResult = pTextRange->Expand(tomParagraph, &cbAdded);
// Fail to get Paragraph, get the story
// Note:- Expand will return S_FALSE for plain text when
// the whole story is selected
if (hResult != NOERROR)
hResult = pTextRange->Expand(tomStory, &cbAdded);
hResult = pTextRange->GetStart(&cpParaStart);
hResult = pTextRange->GetEnd(&cpParaEnd);
if (*pwparam == IMR_CONFIRMRECONVERTSTRING)
{
*plres = CheckIMEChange(lpRCS, cpParaStart, cpParaEnd, cpMin, cpMax, fUnicode);
goto Exit;
}
// Initialize to hugh number
_cpReconvertStart = tomForward;
// Check if Par included
hResult = _pTextDoc->Range(cpParaEnd-1, cpParaEnd, &pTempTextRange);
if (hResult != NOERROR)
goto Exit;
Assert (pTempTextRange != NULL);
hResult = pTempTextRange->GetChar(&cLastChar);
pTempTextRange->Release();
if (hResult == NOERROR && (WCHAR)cLastChar == CR)
{
if (cpMax == cpParaEnd)
{
// Par is selected, change selection to exclude the par char
cpMax--;
_pTextSel->SetEnd(cpMax);
if (cpMin > cpMax)
{
// Adjust cpMin as well
cpMin = cpMax;
_pTextSel->SetStart(cpMin);
}
}
// Get rid of par char
cpParaEnd--;
fAdjustedRange = TRUE;
}
// Check for MAX_RECONVERSION_SIZE since we don't want to pass a hugh buffer
// to IME
long cchSelected;
cchSelected = cpMax - cpMin;
if (cpParaEnd - cpParaStart > MAX_RECONVERSION_SIZE)
{
// Too many character selected, forget it
if (cchSelected > MAX_RECONVERSION_SIZE)
goto Exit;
if (cchSelected == MAX_RECONVERSION_SIZE)
{
// Selection reaches the limit
cpParaStart = cpMin;
cpParaEnd = cpMax;
}
else
{
long cchBeforeSelection = cpMin - cpParaStart;
long cchAfterSelection = cpParaEnd - cpMax;
long cchNeeded = MAX_RECONVERSION_SIZE - cchSelected;
if (cchBeforeSelection < cchNeeded/2)
{
// Put in all characters from the Par start
// and move Par end
cpParaEnd = cpParaStart + MAX_RECONVERSION_SIZE - 1;
}
else if (cchAfterSelection < cchNeeded/2)
{
// Put in all character to the Par end
// and move Par start
cpParaStart = cpParaEnd - MAX_RECONVERSION_SIZE + 1;
}
else
{
// Adjust both end
cpParaStart = cpMin - cchNeeded/2;
cpParaEnd = cpParaStart + MAX_RECONVERSION_SIZE - 1;
}
}
fAdjustedRange = TRUE;
}
if (fAdjustedRange)
{
// Adjust the text range
hResult = pTextRange->SetRange(cpParaStart, cpParaEnd);
if (hResult != NOERROR)
goto Exit;
}
cbStringSize = (cpParaEnd - cpParaStart) * 2;
// No char in current par, forget it.
if (cbStringSize <= 0)
goto Exit;
if (EM_RECONVERSION == *pmsg)
{
// RE reconversion msg, allocate the Reconversion buffer
lpRCS = (LPRECONVERTSTRING) PvAlloc(sizeof(RECONVERTSTRING) + cbStringSize + 2, GMEM_ZEROINIT);
Assert(lpRCS != NULL);
if (lpRCS)
lpRCS->dwSize = sizeof(RECONVERTSTRING) + cbStringSize + 2;
}
if (lpRCS)
{
BSTR bstr = NULL;
LPSTR lpReconvertBuff;
hResult = pTextRange->GetText(&bstr);
if (hResult != NOERROR || bstr == NULL)
{
if (EM_RECONVERSION == *pmsg)
FreePv(lpRCS);
goto Exit; // forget it
}
if (lpRCS->dwSize - sizeof(RECONVERTSTRING) - 2 < (DWORD)cbStringSize)
cbStringSize = lpRCS->dwSize - sizeof(RECONVERTSTRING) - 2;
lpReconvertBuff = (LPSTR)(lpRCS) + sizeof(RECONVERTSTRING);
if (fUnicode)
{
// fill in the buffer
memcpy(lpReconvertBuff, (LPSTR)bstr, cbStringSize);
*(lpReconvertBuff+cbStringSize) = '\0';
*(lpReconvertBuff+cbStringSize+1) = '\0';
lpRCS->dwStrLen = (cpParaEnd - cpParaStart);
lpRCS->dwCompStrLen = (cpMax - cpMin);
lpRCS->dwCompStrOffset = (cpMin - cpParaStart)*2; // byte offset from beginning of string
}
else
{
// Ansi case, need to find byte offset and Ansi string
long cch = WideCharToMultiByte(_uKeyBoardCodePage, 0, bstr, -1, lpReconvertBuff, cbStringSize+1, NULL, NULL);
Assert (cch > 0);
if (cch > 0)
{
CTempCharBuf tcb;
char *psz = tcb.GetBuf(cch);
if (!psz) // No memory
goto CleanUp; // forget it.
if (cch > 1 && lpReconvertBuff[cch-1] == '\0')
cch--; // Get rid of the null char
int cpOffset = cpMin - cpParaStart;
Assert(cpOffset >= 0);
lpRCS->dwStrLen = cch;
lpRCS->dwCompStrOffset = WideCharToMultiByte(_uKeyBoardCodePage, 0,
bstr, cpOffset, psz, cch, NULL, NULL);
lpRCS->dwCompStrLen = 0;
if (cpMax > cpMin)
lpRCS->dwCompStrLen = WideCharToMultiByte(_uKeyBoardCodePage, 0,
bstr+cpOffset, cpMax - cpMin, psz, cch, NULL, NULL);
}
else
{
CleanUp:
SysFreeString (bstr);
if (EM_RECONVERSION == *pmsg)
FreePv(lpRCS);
goto Exit; // forget it
}
}
// Fill in the rest of the RCS struct
lpRCS->dwVersion = 0;
lpRCS->dwStrOffset = sizeof(RECONVERTSTRING); // byte offset from beginning of struct
lpRCS->dwTargetStrLen = lpRCS->dwCompStrLen;
lpRCS->dwTargetStrOffset = lpRCS->dwCompStrOffset;
*plres = sizeof(RECONVERTSTRING) + cbStringSize + 2;
// Save this for the CONFIRMRECONVERTSTRING handling
_cpReconvertStart = cpParaStart;
_cpReconvertEnd = cpParaEnd;
SysFreeString (bstr);
if (EM_RECONVERSION == *pmsg)
{
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
DWORD imeProperties = ImmGetProperty(GetKeyboardLayout(0x0FFFFFFFF), IGP_SETCOMPSTR, _fUsingAIMM);
if ((imeProperties & (SCS_CAP_SETRECONVERTSTRING | SCS_CAP_MAKEREAD))
== (SCS_CAP_SETRECONVERTSTRING | SCS_CAP_MAKEREAD))
{
if (ImmSetCompositionStringW(hIMC, SCS_QUERYRECONVERTSTRING, lpRCS, *plres, NULL, 0, _fUsingAIMM))
{
// Check if there is any change in selection
CheckIMEChange(lpRCS, cpParaStart, cpParaEnd, cpMin, cpMax, TRUE);
ImmSetCompositionStringW(hIMC, SCS_SETRECONVERTSTRING, lpRCS, *plres, NULL, 0, _fUsingAIMM);
}
}
LocalReleaseImmContext(*this, hIMC);
}
FreePv(lpRCS);
}
}
else
{
// return size for IME to allocate the buffer
*plres = sizeof(RECONVERTSTRING) + cbStringSize + 2;
}
Exit:
pTextRange->Release();
return hr;
}
/*
* BOOL CTextMsgFilter::CheckIMEChange(LPRECONVERTSTRING,long,long,long,long)
*
* @mfunc
* Verify if IME wants to re-adjust the selection
*
* @rdesc
* TRUE - allow IME to change the selection
*/
BOOL CTextMsgFilter::CheckIMEChange(
LPRECONVERTSTRING lpRCS,
long cpParaStart,
long cpParaEnd,
long cpMin,
long cpMax,
BOOL fUnicode)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::CheckIMEChange");
long cpImeSelectStart = 0;
long cpImeSelectEnd = 0;
HRESULT hResult;
if (!lpRCS || _cpReconvertStart == tomForward)
// Never initialize, forget it
return FALSE;
if (fUnicode)
{
cpImeSelectStart = _cpReconvertStart + lpRCS->dwCompStrOffset / 2;
cpImeSelectEnd = cpImeSelectStart + lpRCS->dwCompStrLen;
}
else
{
// Need to convert the byte offset to char offset.
ITextRange *pTextRange;
BSTR bstr = NULL;
hResult = _pTextDoc->Range(_cpReconvertStart, _cpReconvertEnd, &pTextRange);
if (hResult != NOERROR)
return FALSE;
// Get the text
hResult = pTextRange->GetText(&bstr);
if (hResult == S_OK)
{
long cchReconvert = _cpReconvertEnd - _cpReconvertStart + 1;
CTempCharBuf tcb;
char *psz = tcb.GetBuf((cchReconvert)*2);
hResult = S_FALSE;
if (psz)
{
long cch = WideCharToMultiByte(_uKeyBoardCodePage, 0,
bstr, -1, psz, (cchReconvert)*2, NULL, NULL);
if (cch > 0)
{
long dwCompStrOffset, dwCompStrLen;
CTempWcharBuf twcb;
WCHAR *pwsz = twcb.GetBuf(cchReconvert);
if (pwsz)
{
dwCompStrOffset = MultiByteToWideChar(_uKeyBoardCodePage, 0,
psz, lpRCS->dwCompStrOffset, pwsz, cchReconvert);
dwCompStrLen = MultiByteToWideChar(_uKeyBoardCodePage, 0,
psz+lpRCS->dwCompStrOffset, lpRCS->dwCompStrLen, pwsz, cchReconvert);
Assert(dwCompStrOffset > 0 || dwCompStrLen > 0);
cpImeSelectStart = _cpReconvertStart + dwCompStrOffset;
cpImeSelectEnd = cpImeSelectStart + dwCompStrLen;
hResult = S_OK;
}
}
}
}
if (bstr)
SysFreeString (bstr);
pTextRange->Release();
if (hResult != S_OK)
return FALSE;
}
if (cpParaStart <= cpImeSelectStart && cpImeSelectEnd <= cpParaEnd)
{
if (_pTextSel && (cpImeSelectStart != cpMin || cpImeSelectEnd != cpMax))
{
// IME changes selection.
hResult = _pTextSel->SetRange(cpImeSelectStart, cpImeSelectEnd);
if (hResult != NOERROR)
return FALSE;
}
return TRUE; // Allow Ime to change selection
}
return FALSE;
}
/*
* BOOL CTextMsgFilter::GetTxSelection()
*
* @mfunc
* Get Selection if we haven't got it before
*
* @rdesc
* TRUE if this is first time getting the selection
* FALSE if it is already exist or no selection available.
*/
BOOL CTextMsgFilter::GetTxSelection()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::GetTxSelection");
HRESULT hResult;
if (_pTextSel)
return FALSE; // Already there
hResult = _pTextDoc->GetSelectionEx(&_pTextSel);
return _pTextSel ? TRUE : FALSE;
}
/*
* HRESULT CTextMsgFilter::OnIMEQueryPos(UINT *, WPARAM *, LPARAM *, LRESULT *, BOOL)
*
* @mfunc
* Fill in the current character size and window rect. size.
*
* @rdesc
* S_OK
* *plres = 0 if we do not filled in data
*/
HRESULT CTextMsgFilter::OnIMEQueryPos(
UINT * pmsg,
WPARAM * pwparam,
LPARAM * plparam,
LRESULT * plres,
BOOL fUnicode)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnIMEQueryPos");
HRESULT hResult;
PIMECHARPOSITION pIMECharPos = (PIMECHARPOSITION)*plparam;
long cpRequest;
RECT rcArea;
ITextRange *pTextRange = NULL;
POINT ptTopPos, ptBottomPos = {0, 0};
bool fGetBottomPosFail = false;
if (pIMECharPos->dwSize != sizeof(IMECHARPOSITION))
goto Exit;
// NT doesn't support Ansi window when the CP_ACP isn't the same
// as keyboard codepage.
if (!fUnicode && !(W32->OnWin9x()) && _uKeyBoardCodePage != _uSystemCodePage)
goto Exit;
if (IsIMEComposition() && _ime->GetIMELevel() == IME_LEVEL_3)
{
cpRequest = ((CIme_Lev3 *)_ime)->GetIMECompositionStart();
if (fUnicode)
cpRequest += pIMECharPos->dwCharPos;
else if (pIMECharPos->dwCharPos > 0)
{
// Need to convert pIMECharPos->dwCharPos from Acp to Cp
long cchComp = ((CIme_Lev3 *)_ime)->GetIMECompositionLen();
long cchAcp = (long)(pIMECharPos->dwCharPos);
BSTR bstr;
WCHAR *pChar;
if (cchComp)
{
hResult = _pTextDoc->Range(cpRequest, cpRequest+cchComp, &pTextRange);
Assert (pTextRange != NULL);
if (hResult != NOERROR || !pTextRange)
goto Exit;
hResult = pTextRange->GetText(&bstr);
if (hResult != NOERROR )
goto Exit;
// The algorithm assumes that for a DBCS charset any character
// above 128 has two bytes, except for the halfwidth KataKana,
// which are single bytes in ShiftJis.
pChar = (WCHAR *)bstr;
Assert (pChar);
while (cchAcp > 0 && cchComp > 0)
{
cchAcp--;
if(*pChar >= 128 && (CP_JAPAN != _uKeyBoardCodePage ||
!IN_RANGE(0xFF61, *pChar, 0xFF9F)))
cchAcp--;
pChar++;
cchComp--;
cpRequest++;
}
SysFreeString (bstr);
pTextRange->Release();
pTextRange = NULL;
}
}
}
else if (pIMECharPos->dwCharPos == 0)
{
// Get current selection
hResult = _pTextSel->GetStart(&cpRequest);
if (hResult != NOERROR)
goto Exit;
}
else
goto Exit;
// Get requested cp location in screen coordinates
hResult = _pTextDoc->Range(cpRequest, cpRequest+1, &pTextRange);
Assert (pTextRange != NULL);
if (hResult != NOERROR || !pTextRange)
goto Exit;
long lTextFlow;
long lTopType;
long lBottomType;
lTextFlow = _lFEFlags & tomTextFlowMask;
lTopType = tomStart+TA_TOP+TA_LEFT;
lBottomType = tomStart+TA_BOTTOM+TA_LEFT;
if (lTextFlow == tomTextFlowWN)
{
lTopType = tomStart+TA_TOP+TA_RIGHT;
lBottomType = tomStart+TA_BOTTOM+TA_RIGHT ;
}
hResult = pTextRange->GetPoint( lTopType,
&(ptTopPos.x), &(ptTopPos.y) );
if (hResult != NOERROR)
{
// Scroll and try again
hResult = pTextRange->ScrollIntoView(tomStart);
if (hResult == NOERROR)
hResult = pTextRange->GetPoint( lTopType,
&(ptTopPos.x), &(ptTopPos.y) );
}
if (hResult == NOERROR)
{
hResult = pTextRange->GetPoint( lBottomType,
&(ptBottomPos.x), &(ptBottomPos.y) );
if (hResult != NOERROR)
fGetBottomPosFail = true;
}
pIMECharPos->pt = ptTopPos;
// Get application rect in screen coordinates
hResult = _pTextDoc->GetClientRect(tomIncludeInset,
&(rcArea.left), &(rcArea.top),
&(rcArea.right), &(rcArea.bottom));
if (hResult != NOERROR)
goto Exit;
// Get line height in pixel
if (fGetBottomPosFail)
pIMECharPos->cLineHeight = rcArea.bottom - ptTopPos.y;
else
{
if (lTextFlow == tomTextFlowSW || lTextFlow == tomTextFlowNE)
pIMECharPos->cLineHeight = abs(ptTopPos.x - ptBottomPos.x);
else
pIMECharPos->cLineHeight = abs(ptBottomPos.y - ptTopPos.y);
if (lTextFlow == tomTextFlowWN)
pIMECharPos->pt = ptBottomPos;
}
pIMECharPos->rcDocument = rcArea;
*plres = TRUE;
Exit:
if (pTextRange)
pTextRange->Release();
return S_OK;
}
/*
* CTextMsgFilter::CheckIMEType(HKL hKL, DWORD dwFlags)
*
* @mfunc
* Check for FE IME keyboard and/or MSIME98 or later
*
* @rdesc
* TRUE if FE IME keyboard
*/
BOOL CTextMsgFilter::CheckIMEType(
HKL hKL,
DWORD dwFlags)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::CheckIMEType");
BOOL fFEKeyboard = FALSE;
if (!hKL)
hKL = GetKeyboardLayout(0x0FFFFFFFF); // Get default HKL if caller pass in NULL
// initialize to non MS IME
if (dwFlags & CHECK_IME_SERVICE) // Check MSIME98?
_fMSIME = 0;
if (IsFELCID((WORD)hKL) && ImmIsIME(hKL, _fUsingAIMM))
{
fFEKeyboard = TRUE;
if (dwFlags & CHECK_IME_SERVICE) // Check MSIME98?
{
if (MSIMEServiceMsg && IMEMessage( *this, MSIMEServiceMsg, 0, 0, FALSE ))
_fMSIME = 1;
}
}
return fFEKeyboard;
}
/*
* CTextMsgFilter::InputFEChar(WCHAR wchFEChar)
*
* @mfunc
* Input the FE character and ensure we have a correct font.
*
* @rdesc
* S_OK if handled
*/
HRESULT CTextMsgFilter::InputFEChar(
WCHAR wchFEChar)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::InputFEChar");
BOOL bReleaseSelction = GetTxSelection();
long cchExced;
HRESULT hr = S_FALSE;
if (wchFEChar > 256
&& _pTextSel->CanEdit(NULL) == NOERROR
&& _pTextDoc->CheckTextLimit(1, &cchExced) == NOERROR
&& cchExced == 0)
{
// setup FE font to handle the FE character
long cpMin, cpMax;
TCHAR wchFE[2];
BOOL fSelect = FALSE;
ITextRange *pTextRange = NULL;
ITextFont *pTextFont = NULL;
ITextFont *pFEFont = NULL;
HRESULT hResult = S_FALSE;
BSTR bstr = NULL;
// Inform client IME compostion is on to by-pass some font setting
// problem in Arabic systems
_pTextDoc->IMEInProgress(tomTrue);
wchFE[0] = wchFEChar;
wchFE[1] = L'\0';
_pTextSel->GetStart(&cpMin);
_pTextSel->GetEnd(&cpMax);
// For selection case, we want font to the right of first character
if (cpMin != cpMax)
{
hResult = _pTextDoc->Range(cpMin, cpMin, &pTextRange);
if (hResult != S_OK)
goto ERROR_EXIT;
hResult = pTextRange->GetFont(&pTextFont);
cpMin++;
fSelect = TRUE;
}
else
hResult = _pTextSel->GetFont(&pTextFont);
// Get a duplicate font and setup the correct FE font
hResult = pTextFont->GetDuplicate(&pFEFont);
if (hResult != S_OK)
goto ERROR_EXIT;
CIme::CheckKeyboardFontMatching (cpMin, this, pFEFont);
if (fSelect)
_pTextSel->SetText(NULL); // Delete the selection
bstr = SysAllocString(wchFE);
if (!bstr)
{
hResult = E_OUTOFMEMORY;
goto ERROR_EXIT;
}
_pTextSel->SetFont(pFEFont); // Setup FE font
_pTextSel->TypeText(bstr); // Input the new FE character
ERROR_EXIT:
if (hResult == S_OK)
hr = S_OK;
if (pFEFont)
pFEFont->Release();
if (pTextFont)
pTextFont->Release();
if (pTextRange)
pTextRange->Release();
if (bstr)
SysFreeString(bstr);
// Inform client IME compostion is done
_pTextDoc->IMEInProgress(tomFalse);
}
if (bReleaseSelction && _pTextSel)
{
_pTextSel->Release();
_pTextSel = NULL;
}
return hr;
}
/*
* CTextMsgFilter::OnSetFocus()
*
* @mfunc
* Restore the previous keyboard if we are in FORCEREMEMBER mode.
* Otherwise, setup the FE keyboard.
*
*/
void CTextMsgFilter::OnSetFocus()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnSetFocus");
if (_fUsingUIM && _pCUIM)
{
_pCUIM->OnSetFocus();
}
else if (_fForceRemember && _fIMEHKL)
{
// Restore previous keyboard
ActivateKeyboardLayout(_fIMEHKL, 0);
if (IsFELCID((WORD)_fIMEHKL))
{
// Set Open status and Conversion mode
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
if (ImmSetOpenStatus(hIMC, _fIMEEnable, _fUsingAIMM) && _fIMEEnable)
ImmSetConversionStatus(hIMC, _fIMEConversion, _fIMESentence, _fUsingAIMM); // Set conversion status
LocalReleaseImmContext(*this, hIMC);
}
}
}
else
SetupIMEOptions();
if (_nIMEMode)
SetIMESentenseMode(TRUE);
}
/*
* CTextMsgFilter::OnKillFocus()
*
* @mfunc
* If we are in FORCE_REMEMBER mode, save the current keyboard
* and conversion setting.
*
*/
void CTextMsgFilter::OnKillFocus()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnKillFocus");
// Windowless mode, need to inform Cicero
if (!_hwnd && _fUsingUIM && _pCUIM)
_pCUIM->OnSetFocus(FALSE);
if (_fForceRemember)
{
// Get current keyboard
_fIMEHKL = GetKeyboardLayout(0x0FFFFFFFF);
if (IsFELCID((WORD)_fIMEHKL))
{
// Get Open status
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
_fIMEEnable = ImmGetOpenStatus(hIMC, _fUsingAIMM);
if (_fIMEEnable)
ImmGetConversionStatus(hIMC, &_fIMEConversion, &_fIMESentence, _fUsingAIMM); // get conversion status
LocalReleaseImmContext(*this, hIMC);
}
}
}
if (_nIMEMode)
SetIMESentenseMode(FALSE);
}
/*
* CTextMsgFilter::OnSetIMEOptions(WPARAM wparam, LPARAM lparam)
*
* @mfunc
*
* @rdesc
*/
LRESULT CTextMsgFilter::OnSetIMEOptions(
WPARAM wparam,
LPARAM lparam)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnSetIMEOptions");
LRESULT lIMEOptionCurrent = OnGetIMEOptions();
LRESULT lIMEOptionNew = 0;
// Mask off bits that we will support for now
lparam &= (IMF_FORCEACTIVE | IMF_FORCEENABLE | IMF_FORCEREMEMBER);
switch(wparam)
{
case ECOOP_SET:
lIMEOptionNew = lparam;
break;
case ECOOP_OR:
lIMEOptionNew = lIMEOptionCurrent | lparam;
break;
case ECOOP_AND:
lIMEOptionNew = lIMEOptionCurrent & lparam;
break;
case ECOOP_XOR:
lIMEOptionNew = lIMEOptionCurrent ^ lparam;
break;
default:
return 0; // Bad option
}
if (lIMEOptionNew == lIMEOptionCurrent) // Nothing change
return 1;
_fForceActivate = FALSE;
if (lIMEOptionNew & IMF_FORCEACTIVE)
_fForceActivate = TRUE;
_fForceEnable = FALSE;
if (lIMEOptionNew & IMF_FORCEENABLE)
_fForceEnable = TRUE;
_fForceRemember = FALSE;
if (lIMEOptionNew & IMF_FORCEREMEMBER)
_fForceRemember = TRUE;
SetupIMEOptions();
return 1;
}
/*
* CTextMsgFilter::OnGetIMEOptions()
*
* @mfunc
*
* @rdesc
*/
LRESULT CTextMsgFilter::OnGetIMEOptions()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnGetIMEOptions");
LRESULT lres = 0;
if (_fForceActivate)
lres |= IMF_FORCEACTIVE;
if (_fForceEnable)
lres |= IMF_FORCEENABLE;
if (_fForceRemember)
lres |= IMF_FORCEREMEMBER;
return lres;
}
/*
* CTextMsgFilter::SetupIMEOptions()
*
* @mfunc
*
*/
void CTextMsgFilter::SetupIMEOptions()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::SetupIMEOptions");
if (!_hwnd)
return;
_uKeyBoardCodePage = GetKeyboardCodePage(0x0FFFFFFFF);
if (_fForceEnable)
{
LONG cpgLocale = GetACP();
INT iCharRep = CharRepFromCodePage(cpgLocale);
if (W32->IsFECodePage(cpgLocale))
{
if (_uKeyBoardCodePage != (UINT)cpgLocale)
W32->CheckChangeKeyboardLayout(iCharRep);
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
if (ImmSetOpenStatus(hIMC, TRUE, _fUsingAIMM) && _fForceActivate)
{
// Activate native input mode
DWORD dwConversion;
DWORD dwSentence;
if (ImmGetConversionStatus(hIMC, &dwConversion, &dwSentence, _fUsingAIMM))
{
dwConversion |= IME_CMODE_NATIVE;
if (iCharRep == SHIFTJIS_INDEX)
dwConversion |= IME_CMODE_FULLSHAPE;
ImmSetConversionStatus(hIMC, dwConversion, dwSentence, _fUsingAIMM);
}
}
LocalReleaseImmContext(*this, hIMC);
}
}
}
}
/*
* CTextMsgFilter::OnSetIMEMode(WPARAM wparam, LPARAM lparam)
*
* @mfunc
* Handle EM_SETIMEMODE message to setup or clear the IMF_SMODE_PHRASEPREDICT mode
*
*/
void CTextMsgFilter::OnSetIMEMode(
WPARAM wparam,
LPARAM lparam)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnSetIMEMode");
BOOL fNotifyUIM = FALSE;
if (!(lparam & (IMF_SMODE_PLAURALCLAUSE | IMF_SMODE_NONE))) // Only IMF_SMODE_PHRASEPREDICT for now
return; // Bad mask option
if ((wparam & (IMF_SMODE_PLAURALCLAUSE | IMF_SMODE_NONE)) == _nIMEMode) // Nothing change...
return; // Done.
_nIMEMode = wparam & (IMF_SMODE_PLAURALCLAUSE | IMF_SMODE_NONE);
if (_hwnd && GetFocus() == _hwnd)
SetIMESentenseMode(_nIMEMode);
// Setup UIM mode bias
if (_nIMEMode)
{
if (_nIMEMode == IMF_SMODE_PLAURALCLAUSE && _wUIMModeBias != CTFMODEBIAS_NAME)
{
_wUIMModeBias = CTFMODEBIAS_NAME;
fNotifyUIM = TRUE;
}
else if (_nIMEMode == IMF_SMODE_NONE && _wUIMModeBias != CTFMODEBIAS_DEFAULT)
{
_wUIMModeBias = CTFMODEBIAS_DEFAULT;
fNotifyUIM = TRUE;
}
}
else
{
_wUIMModeBias = 0;
fNotifyUIM = TRUE;
}
if (fNotifyUIM && _pMsgCallBack)
_pMsgCallBack->NotifyEvents(NE_MODEBIASCHANGE);
}
/*
* CTextMsgFilter::SetIMESentenseMode()
*
* @mfunc
* Setup phrase mode or restore previous sentence mode
*/
void CTextMsgFilter::SetIMESentenseMode(
BOOL fSetup,
HKL hKL)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::SetIMESentenseMode");
if (_hwnd && CheckIMEType(hKL, 0) && // FE IME Keyboard?
(fSetup || _fRestoreOLDIME))
{
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
DWORD dwConversion;
DWORD dwSentence;
if (ImmGetConversionStatus(hIMC, &dwConversion, &dwSentence, _fUsingAIMM))
{
if (fSetup)
{
if (!_fRestoreOLDIME)
{
// Setup IME Mode
_wOldIMESentence = dwSentence & 0x0FFFF;
_fRestoreOLDIME = 1;
}
dwSentence &= 0x0FFFF0000;
if (_nIMEMode == IMF_SMODE_PLAURALCLAUSE)
dwSentence |= IME_SMODE_PLAURALCLAUSE;
else
dwSentence |= IME_SMODE_NONE;
}
else
{
// Restore previous mode
dwSentence &= 0x0FFFF0000;
dwSentence |= _wOldIMESentence;
_fRestoreOLDIME = 0;
}
ImmSetConversionStatus(hIMC, dwConversion, dwSentence, _fUsingAIMM);
}
LocalReleaseImmContext(*this, hIMC);
}
}
}
/*
* CTextMsgFilter::OnGetIMECompText(WPARAM wparam, LPARAM lparam)
*
* @mfunc
*
* @rdesc
*/
int CTextMsgFilter::OnGetIMECompText(
WPARAM wparam,
LPARAM lparam)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnGetIMECompText");
if (_ime)
{
HRESULT hr;
IMECOMPTEXT *pIMECompText = (IMECOMPTEXT *)wparam;
if (pIMECompText->flags == ICT_RESULTREADSTR)
{
int cbSize = pIMECompText->cb;
hr = CIme::CheckInsertResultString(0, *this, NULL, &cbSize, (WCHAR *)lparam);
if (hr == S_OK)
return cbSize/2;
}
}
return 0;
}
/*
* CTextMsgFilter::NoIMEProcess()
*
* @mfunc
* check if you should handle IME
*/
BOOL CTextMsgFilter::NoIMEProcess()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::NoIMEProcess");
if (_fNoIme)
return TRUE;
_pTextDoc->GetFEFlags(&_lFEFlags);
if (_lFEFlags & (ES_NOIME | tomUsePassword))
return TRUE;
return FALSE;
}
/*
* CTextMsgFilter::MouseOperation(UINT msg, long ichStart, long cchComp, WPARAM wParam,
* WPARAM *pwParamBefore, BOOL *pfTerminateIME, HWND hwndIME)
*
* @mfunc
* handle mouse operation for CTF or IME
*
* @rdesc
* BOOL-TRUE if CTF or IME handled the mouse events
*/
BOOL CTextMsgFilter::MouseOperation(
UINT msg,
long ichStart,
long cchComp,
WPARAM wParam,
WPARAM *pwParamBefore,
BOOL *pfTerminateIME,
HWND hwndIME,
long *pCpCursor,
ITfMouseSink *pMouseSink)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::MouseOperation");
BOOL fRetCode = FALSE;
BOOL fButtonPressed = FALSE;
WORD wButtons = 0;
POINT ptCursor;
WPARAM wParamIME;
WPARAM fwkeys = wParam;
BOOL fHandleIME = hwndIME ? TRUE : FALSE;
HWND hHostWnd = _hwnd;
long hWnd;
if (!hHostWnd) // Windowless mode...
{
if (_pTextDoc->GetWindow(&hWnd) != S_OK || !hWnd)
return FALSE;
hHostWnd = (HWND)(DWORD_PTR)hWnd;
}
*pfTerminateIME = TRUE;
switch (msg)
{
case WM_MOUSEMOVE:
goto LCheckButton;
case WM_LBUTTONDOWN:
fButtonPressed = TRUE;
case WM_LBUTTONDBLCLK:
fwkeys |= MK_LBUTTON;
goto LCheckButton;
case WM_LBUTTONUP:
fwkeys &= (~MK_LBUTTON);
goto LCheckButton;
case WM_RBUTTONDOWN:
fButtonPressed = TRUE;
case WM_RBUTTONDBLCLK:
fwkeys |= MK_RBUTTON;
goto LCheckButton;
case WM_RBUTTONUP:
fwkeys &= (~MK_RBUTTON);
goto LCheckButton;
case WM_MBUTTONUP:
fwkeys &= (~MK_MBUTTON);
goto LCheckButton;
case WM_MBUTTONDOWN:
fButtonPressed = TRUE;
case WM_MBUTTONDBLCLK:
fwkeys |= MK_MBUTTON;
LCheckButton:
if (fwkeys & MK_LBUTTON)
wButtons |= IMEMOUSE_LDOWN;
if (fwkeys & MK_RBUTTON)
wButtons |= IMEMOUSE_RDOWN;
if (fwkeys & MK_MBUTTON)
wButtons |= IMEMOUSE_MDOWN;
break;
case WM_SETCURSOR:
wButtons = LOBYTE(*pwParamBefore);
break;
default:
return FALSE;
}
// Kor special - click should terminate IME
if (fHandleIME && fButtonPressed && _uKeyBoardCodePage == CP_KOREAN)
{
*pfTerminateIME = TRUE;
return FALSE;
}
// Change in button since last message?
if ((wButtons != LOBYTE(LOWORD(*pwParamBefore))) && GetCapture() == hHostWnd)
{
fButtonPressed = FALSE;
wButtons = 0;
ReleaseCapture();
}
if (GetCursorPos(&ptCursor))
{
ITextRange *pTextRange;
HRESULT hResult;
long ichCursor;
long lTextFlow;
POINT ptCPTop = {0, 0};
POINT ptCPBottom = {0, 0};
POINT ptCenterTop = {0, 0};
POINT ptCenterBottom = {0, 0};
BOOL fWithinCompText = FALSE;
// Get cp at current Cursor position
hResult = _pTextDoc->RangeFromPoint(ptCursor.x, ptCursor.y,
&pTextRange);
if (hResult != NOERROR)
return FALSE;
_pTextDoc->GetFEFlags(&lTextFlow);
lTextFlow &= tomTextFlowMask;
hResult = pTextRange->GetStart(&ichCursor);
pTextRange->GetPoint(TA_TOP, &(ptCPTop.x), &(ptCPTop.y));
pTextRange->GetPoint(TA_BOTTOM, &(ptCPBottom.x), &(ptCPBottom.y));
pTextRange->Release();
pTextRange = NULL;
if (hResult != NOERROR)
return FALSE;
if (pCpCursor)
*pCpCursor = ichCursor;
// Click within composition text?
if (ichStart <= ichCursor && ichCursor <= ichStart + cchComp)
{
WORD wPos = 0;
LONG lTestCursor = TestPoint(ptCPTop, ptCPBottom, ptCursor, TEST_ALL, lTextFlow);
if (lTestCursor & (TEST_TOP | TEST_BOTTOM))
goto HIT_OUTSIDE;
// Cursor locates to the left of the first composition character
// or cursor locates to the right of the last composition character
if (ichStart == ichCursor && (lTestCursor & TEST_LEFT) ||
ichCursor == ichStart + cchComp && (lTestCursor & TEST_RIGHT))
goto HIT_OUTSIDE;
// Need to calculate the relative position of the Cursor and the center of character:
//
// If Cursor locates to the Left of the cp,
// If Cursor is more than 1/4 the character width from the cp
// wPos = 0;
// Otherwise
// wPos = 1;
//
// If Cursor locates to the Right of the cp,
// If Cursor is less than 1/4 the character width from the cp
// wPos = 2;
// Otherwise
// wPos = 3;
//
if (lTestCursor & TEST_LEFT)
hResult = _pTextDoc->Range(ichCursor-1, ichCursor, &pTextRange);
else
hResult = _pTextDoc->Range(ichCursor, ichCursor+1, &pTextRange);
if (pTextRange)
{
LONG lTestCenter = 0;
LONG uMouse = 0;
LONG uHalfCenter = 0;
pTextRange->GetPoint(tomStart + TA_TOP + TA_CENTER, &(ptCenterTop.x), &(ptCenterTop.y));
pTextRange->GetPoint(tomStart + TA_BOTTOM + TA_CENTER, &(ptCenterBottom.x), &(ptCenterBottom.y));
pTextRange->Release();
lTestCenter = TestPoint(ptCPTop, ptCPBottom, ptCenterBottom, TEST_ALL, lTextFlow);
if (lTestCenter & (TEST_TOP | TEST_BOTTOM))
goto HIT_OUTSIDE; // Not on the same line
if (lTextFlow == tomTextFlowES || lTextFlow == tomTextFlowWN)
{
uMouse = ptCursor.x - ptCPBottom.x;
uHalfCenter = ptCenterBottom.x - ptCPBottom.x;
}
else
{
uMouse = ptCursor.y - ptCPBottom.y;
uHalfCenter = ptCenterBottom.y - ptCPBottom.y;
}
uMouse = abs(uMouse);
uHalfCenter = abs(uHalfCenter) / 2;
if (lTestCursor & TEST_LEFT)
{
if (lTestCenter & TEST_LEFT)
wPos = uMouse > uHalfCenter ? 0: 1;
}
else if (lTestCenter & TEST_RIGHT)
wPos = uMouse >= uHalfCenter ? 3: 2;
wButtons = MAKEWORD(wButtons, wPos);
}
wParamIME = MAKEWPARAM(wButtons, ichCursor - ichStart);
fButtonPressed &= (*pwParamBefore & 0xff) == 0;
if (*pwParamBefore != wParamIME || fHandleIME && msg == WM_MOUSEMOVE && !fButtonPressed)
{
*pwParamBefore = wParamIME;
if (fHandleIME) // IME case
{
HIMC hIMC = LocalGetImmContext(*this);
if (hIMC)
{
fRetCode = SendMessage(hwndIME, MSIMEMouseMsg, *pwParamBefore, hIMC);
LocalReleaseImmContext(*this, hIMC);
}
}
else // Cicero case
{
BOOL fEaten = FALSE;
DWORD dwBtn = 0;
dwBtn |= wButtons & IMEMOUSE_LDOWN ? MK_LBUTTON : 0;
dwBtn |= wButtons & IMEMOUSE_MDOWN ? MK_MBUTTON : 0;
dwBtn |= wButtons & IMEMOUSE_RDOWN ? MK_RBUTTON : 0;
if (S_OK == pMouseSink->OnMouseEvent(ichCursor - ichStart, wPos, dwBtn, &fEaten) && fEaten)
fRetCode = TRUE;
}
}
else
fRetCode = TRUE; // No change from last time, no need to send message to IME
fWithinCompText = TRUE;
if (fHandleIME && fRetCode && fButtonPressed && GetCapture() != hHostWnd)
SetCapture(hHostWnd);
}
HIT_OUTSIDE:
if (!fWithinCompText && (GetCapture() == hHostWnd || msg == WM_LBUTTONUP)) //We don't want to determine while dragging...
fRetCode = TRUE;
}
*pfTerminateIME = !fRetCode;
return fRetCode;
}
/*
* CTextMsgFilter::CompleteUIMTyping(LONG mode, BOOL fTransaction)
*
* @mfunc
* Terminate IME or UIM composition
*
*/
void CTextMsgFilter::CompleteUIMTyping(
LONG mode,
BOOL fTransaction)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::CompleteUIMTyping");
if (_ime)
{
Assert(!(_pCUIM && _pCUIM->IsUIMTyping()));
_ime->TerminateIMEComposition(*this, (CIme::TerminateMode)mode);
}
else
{
Assert (_pCUIM);
if (_pCUIM && _fSendTransaction == 0)
{
if (fTransaction)
{
ITextStoreACPSink *ptss = _pCUIM->_ptss;
if (ptss)
{
_fSendTransaction = 1;
ptss->OnStartEditTransaction();
}
}
_pCUIM->CompleteUIMText();
}
}
}
/*
* CTextMsgFilter::GetIMECompAttributes()
*
* @mfunc
* Get the 1.0 mode IME color and underline for displaying cmposition strings
*
* @rdesc
* COMPCOLOR *. Could be NULL if PvAlloc failed
*
*/
COMPCOLOR* CTextMsgFilter::GetIMECompAttributes()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::GetIMECompAttributes");
// For 1.0 mode IME color
if (!_pcrComp)
{
_pcrComp = (COMPCOLOR *)PvAlloc(sizeof(COMPCOLOR) * 4, GMEM_ZEROINIT);
if (_pcrComp)
{
// Init. IME composition color/underline the same way as RE1.0
_pcrComp[0].crBackground = 0x0ffffff;
_pcrComp[0].dwEffects = CFE_UNDERLINE;
_pcrComp[1].crBackground = 0x0808080;
_pcrComp[2].crBackground = 0x0ffffff;
_pcrComp[2].dwEffects = CFE_UNDERLINE;
_pcrComp[3].crText = 0x0ffffff;
}
}
return _pcrComp;
}
/*
* CTextMsgFilter::SetupCallback()
*
* @mfunc
*
* @rdesc
*
*/
void CTextMsgFilter::SetupCallback()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::SetupCallback");
if (!_pMsgCallBack)
_pMsgCallBack = new CMsgCallBack(this);
if (_pMsgCallBack)
{
LRESULT lresult;
_pTextService->TxSendMessage(EM_SETCALLBACK, 0, (LPARAM)_pMsgCallBack, &lresult);
}
}
/*
* CTextMsgFilter::SetupLangSink()
*
* @mfunc
* Setup the Language sink to catch the keyboard changing event. We are not
* getting WM_INPUTLANGCHANGEREQUEST and thus need this sink.
*
*/
void CTextMsgFilter::SetupLangSink()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::SetupLangSink");
if (!_pITfIPP)
{
CoCreateInstance(CLSID_TF_InputProcessorProfiles, NULL, CLSCTX_INPROC_SERVER,
IID_ITfInputProcessorProfiles, (void**)&_pITfIPP);
if (_pITfIPP)
{
_pCLangProfileSink = new CLangProfileSink();
if (_pCLangProfileSink)
{
if (_pCLangProfileSink->_Advise(this, _pITfIPP) != S_OK)
{
_pCLangProfileSink->Release();
_pCLangProfileSink = NULL;
_pITfIPP->Release();
_pITfIPP = NULL;
}
}
else
{
_pITfIPP->Release();
_pITfIPP = NULL;
}
}
}
}
/*
* CTextMsgFilter::ReleaseLangSink()
*
* @mfunc
* Release the lang sink object
*
*/
void CTextMsgFilter::ReleaseLangSink()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::ReleaseLangSink");
if (_pITfIPP)
{
Assert(_pCLangProfileSink);
_pCLangProfileSink->_Unadvise();
_pCLangProfileSink->Release();
_pCLangProfileSink = NULL;
_pITfIPP->Release();
_pITfIPP = NULL;
}
}
/*
* CTextMsgFilter::StartUIM()
*
* @mfunc
*
* @rdesc
*
*/
void CTextMsgFilter::StartUIM()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::StartUIM");
if (NoIMEProcess())
return;
_fUsingUIM = CreateUIM(this);
if (_fUsingUIM)
{
SetupCallback();
SetupLangSink();
}
}
/*
* CTextMsgFilter::StartAimm()
*
* @mfunc
*
* @rdesc
*
*/
void CTextMsgFilter::StartAimm(BOOL fUseAimm12)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::StartAimm");
if (!_hwnd || NoIMEProcess())
return;
if (LoadAIMM(fUseAimm12))
{
HRESULT hResult = ActivateAIMM(FALSE);
if (hResult == NOERROR)
{
DWORD dwAtom;
ATOM aClass;
// filter client windows
if (dwAtom = GetClassLong(_hwnd, GCW_ATOM))
{
aClass = dwAtom;
hResult = FilterClientWindowsAIMM(&aClass, 1, _hwnd);
}
_fUsingAIMM = 1;
SetupCallback();
if (!fLoadAIMM10)
SetupLangSink();
}
}
}
/*
* CTextMsgFilter::TurnOffUIM()
*
* @mfunc
*
* @rdesc
*
*/
void CTextMsgFilter::TurnOffUIM(BOOL fSafeToSendMessage)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::TurnOffUIM");
if (fSafeToSendMessage && _fUsingUIM && _pCUIM && _pCUIM->IsUIMTyping())
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
_fUsingUIM = FALSE;
ReleaseLangSink();
// Release various objects
if (_pCUIM)
{
CUIM *pCUIM = _pCUIM;
LRESULT lresult;
_pCUIM = NULL;
if (fSafeToSendMessage)
_pTextService->TxSendMessage(EM_SETUPNOTIFY, 0, (LPARAM)(ITxNotify *)pCUIM, &lresult);
else
pCUIM->_fShutDown = 1;
pCUIM->Uninit();
pCUIM->Release();
}
if (_pTim)
{
ITfThreadMgr *pTim = _pTim;
_pTim = NULL;
pTim->Deactivate();
pTim->Release();
}
// Turn off Callback
if (fSafeToSendMessage && _pMsgCallBack)
{
LRESULT lresult;
_pTextService->TxSendMessage(EM_SETCALLBACK, 0, (LPARAM)0, &lresult);
delete _pMsgCallBack;
_pMsgCallBack = NULL;
}
}
/*
* CTextMsgFilter::HandleCTFService(wparam, lparam)
*
* @mfunc
* Setup Cicero setting to handle or disable smarttag and proofing services
*
*/
void CTextMsgFilter::HandleCTFService(
WPARAM wparam,
LPARAM lparam)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::HandleCTFService");
BOOL fChangeInSetting = FALSE;
if (lparam & SES_CTFALLOWSMARTTAG)
{
BOOL fAllowSmartTagLocal = (wparam & SES_CTFALLOWSMARTTAG) ? 1 : 0;
if ((BOOL)_fAllowSmartTag != fAllowSmartTagLocal)
{
_fAllowSmartTag = fAllowSmartTagLocal;
fChangeInSetting = TRUE;
}
}
if (lparam & SES_CTFALLOWPROOFING)
{
BOOL fAllowProofLocal = (wparam & SES_CTFALLOWPROOFING) ? 1 : 0;
if ((BOOL)_fAllowProofing != fAllowProofLocal)
{
_fAllowProofing = fAllowProofLocal;
fChangeInSetting = TRUE;
}
}
if (fChangeInSetting)
{
if (_fUsingUIM && _pCUIM)
_pCUIM->NotifyService();
}
}
/*
* CTextMsgFilter::TurnOffAimm()
*
* @mfunc
* Turn off Aimm.
*
*/
void CTextMsgFilter::TurnOffAimm(BOOL fSafeToSendMessage)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::TurnOffAimm");
if (_fUsingAIMM)
{
if (IsIMEComposition())
{
if (fSafeToSendMessage)
CompleteUIMTyping(CIme::TERMINATE_NORMAL);
else
{
delete _ime;
_ime = NULL;
}
}
_fUsingAIMM = FALSE;
UnfilterClientWindowsAIMM(_hwnd);
DeactivateAIMM();
ReleaseLangSink();
// Turn off Callback
if (fSafeToSendMessage && _pMsgCallBack)
{
LRESULT lresult;
_pTextService->TxSendMessage(EM_SETCALLBACK, 0, (LPARAM)0, &lresult);
delete _pMsgCallBack;
_pMsgCallBack = NULL;
}
}
}
/*
* void CTextMsgFilter::OnSetUIMMode()
*
* @mfunc
*
* @rdesc
*
*/
void CTextMsgFilter::OnSetUIMMode(WORD wUIMModeBias)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CTextMsgFilter::OnSetUIMMode");
if (_wUIMModeBias != wUIMModeBias &&
IN_RANGE(CTFMODEBIAS_DEFAULT, wUIMModeBias, CTFMODEBIAS_HALFWIDTHALPHANUMERIC))
{
_wUIMModeBias = wUIMModeBias;
if (_pMsgCallBack)
_pMsgCallBack->NotifyEvents(NE_MODEBIASCHANGE);
}
}
/*
* HRESULT CMsgCallBack::HandlePostMessage()
*
* @mfunc
*
* @rdesc
*
*/
HRESULT CMsgCallBack::HandlePostMessage(
HWND hWnd,
UINT msg,
WPARAM wparam,
LPARAM lparam,
LRESULT *plres)
{
//TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CMsgCallBack::HandlePostMessage");
if (_pTextMsgFilter->_fUsingAIMM)
return CallAIMMDefaultWndProc(hWnd, msg, wparam, lparam, plres);
return S_FALSE;
}
/*
* HRESULT CMsgCallBack::NotifyEvents()
*
* @mfunc
*
* @rdesc
*
*/
HRESULT CMsgCallBack::NotifyEvents(DWORD dwEvents)
{
//TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CMsgCallBack::NotifyEvents");
CUIM *pCUIM = _pTextMsgFilter->_pCUIM;
if (pCUIM)
{
ITextStoreACPSink *ptss = pCUIM->_ptss;
if (dwEvents & NE_ENTERTOPLEVELCALLMGR)
{
pCUIM->_cCallMgrLevels++;
}
else if (dwEvents & NE_EXITTOPLEVELCALLMGR)
{
Assert (pCUIM->_cCallMgrLevels > 0);
pCUIM->_cCallMgrLevels--;
}
if (pCUIM->_cCallMgrLevels)
{
// Save events to be sent later
if ((dwEvents & NE_CALLMGRSELCHANGE) && !pCUIM->_fReadLockOn)
pCUIM->_fSelChangeEventPending = 1;
if (dwEvents & (NE_CALLMGRCHANGE | NE_LAYOUTCHANGE))
pCUIM->_fLayoutEventPending = 1;
if (dwEvents & NE_MODEBIASCHANGE)
pCUIM->_fModeBiasPending = 1;
}
else
{
if (pCUIM->_fSelChangeEventPending || (dwEvents & NE_CALLMGRSELCHANGE))
{
pCUIM->_fSelChangeEventPending = 0;
if (ptss && !pCUIM->_fHoldCTFSelChangeNotify && !pCUIM->_fReadLockOn)
ptss->OnSelectionChange();
}
if (pCUIM->_fLayoutEventPending || (dwEvents & (NE_CALLMGRCHANGE | NE_LAYOUTCHANGE)))
{
pCUIM->_fLayoutEventPending = 0;
if (ptss)
ptss->OnLayoutChange(TS_LC_CHANGE, 0);
}
if (pCUIM->_fModeBiasPending || (dwEvents & NE_MODEBIASCHANGE))
{
pCUIM->_fModeBiasPending = 0;
if (ptss)
{
LONG ccpMax = 0;
if (pCUIM->GetStoryLength(&ccpMax) != S_OK)
ccpMax = tomForward;
ptss->OnAttrsChange(0, ccpMax, 1, &GUID_PROP_MODEBIAS); // only ModeBias for now
}
}
// Probably safe to let UIM to lock data now
if (ptss && (pCUIM->_fReadLockPending || pCUIM->_fWriteLockPending))
{
HRESULT hResult;
HRESULT hResult1;
hResult = pCUIM->RequestLock(pCUIM->_fWriteLockPending ? TS_LF_READWRITE : TS_LF_READ, &hResult1);
}
if (_pTextMsgFilter->_fSendTransaction)
{
_pTextMsgFilter->_fSendTransaction = 0;
if (ptss)
ptss->OnEndEditTransaction();
}
pCUIM->_fHoldCTFSelChangeNotify = 0;
}
}
return S_OK;
}
/*
* CLangProfileSink::QueryInterface()
*
* @mfunc
*
* @rdesc
*
*/
STDAPI CLangProfileSink::QueryInterface(REFIID riid, void **ppvObj)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::QueryInterface");
*ppvObj = NULL;
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_ITfLanguageProfileNotifySink))
*ppvObj = this;
if (*ppvObj)
{
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
/*
* CLangProfileSink::AddRef()
*
* @mfunc
*
* @rdesc
*
*/
STDAPI_(ULONG) CLangProfileSink::AddRef()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::AddRef");
return ++_cRef;
}
/*
* CLangProfileSink::Release()
*
* @mfunc
*
* @rdesc
*
*/
STDAPI_(ULONG) CLangProfileSink::Release()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::Release");
long cr;
cr = --_cRef;
Assert(cr >= 0);
if (cr == 0)
delete this;
return cr;
}
/*
* CLangProfileSink::CLangProfileSink()
*
* @mfunc
*
* @rdesc
*
*/
CLangProfileSink::CLangProfileSink()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::CLangProfileSink");
_cRef = 1;
_dwCookie = (DWORD)(-1);
}
/*
* CLangProfileSink::OnLanguageChange()
*
* @mfunc
*
* @rdesc
*
*/
STDMETHODIMP CLangProfileSink::OnLanguageChange(LANGID langid, BOOL *pfAccept)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::OnLanguageChange");
Assert (pfAccept);
*pfAccept = TRUE;
if (_pTextMsgFilter->_hwnd && GetFocus() == _pTextMsgFilter->_hwnd)
{
LRESULT lresult = 0;
if ( S_OK == _pTextMsgFilter->_pTextService->TxSendMessage(
EM_GETDOCFLAGS, GDF_ALL, 0, &lresult))
{
if (lresult & GDF_SINGLECPG)
{
LCID syslcid = GetSysLCID();
// Check if new langid supported by the system
if (langid != syslcid)
{
LOCALESIGNATURE ls;
if(GetLocaleInfoA(langid, LOCALE_FONTSIGNATURE, (LPSTR)&ls, sizeof(ls)))
{
CHARSETINFO cs;
HDC hdc = GetDC(_pTextMsgFilter->_hwnd);
TranslateCharsetInfo((DWORD *)(DWORD_PTR)GetTextCharsetInfo(hdc, NULL, 0), &cs, TCI_SRCCHARSET);
ReleaseDC(_pTextMsgFilter->_hwnd, hdc);
DWORD fsShell = cs.fs.fsCsb[0];
if (!(fsShell & ls.lsCsbSupported[0]))
*pfAccept = FALSE;
}
}
}
}
if (*pfAccept == TRUE && _pTextMsgFilter-> _nIMEMode)
_pTextMsgFilter->SetIMESentenseMode(FALSE);
}
return S_OK;
}
/*
* CLangProfileSink::OnLanguageChanged()
*
* @mfunc
*
* @rdesc
*
*/
STDMETHODIMP CLangProfileSink::OnLanguageChanged()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::OnLanguageChanged");
return S_OK;
}
/*
* CLangProfileSink::_Advise()
*
* @mfunc
*
* @rdesc
*
*/
HRESULT CLangProfileSink::_Advise(
CTextMsgFilter *pTextMsgFilter,
ITfInputProcessorProfiles *pipp)
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::_Advise");
HRESULT hr;
ITfSource *pSource = NULL;
_pTextMsgFilter = pTextMsgFilter;
_pITFIPP = pipp;
hr = E_FAIL;
if (FAILED(_pITFIPP->QueryInterface(IID_ITfSource, (void **)&pSource)))
goto Exit;
if (FAILED(pSource->AdviseSink(IID_ITfLanguageProfileNotifySink, this, &_dwCookie)))
goto Exit;
hr = S_OK;
Exit:
pSource->Release();
return hr;
}
/*
* CLangProfileSink::_Unadvise()
*
* @mfunc
*
* @rdesc
*
*/
HRESULT CLangProfileSink::_Unadvise()
{
TRACEBEGIN(TRCSUBSYSFE, TRCSCOPEINTERN, "CLangProfileSink::_Unadvise");
HRESULT hr;
ITfSource *pSource = NULL;
hr = E_FAIL;
if (_pITFIPP == NULL)
return hr;
if (FAILED(_pITFIPP->QueryInterface(IID_ITfSource, (void **)&pSource)))
return hr;
if (FAILED(pSource->UnadviseSink(_dwCookie)))
goto Exit;
hr = S_OK;
Exit:
pSource->Release();
return hr;
}
#endif // NOFEPROCESSING
Reference in a new issue View git blame Copy permalink