HRESULT CCandidateListUIPresenter::MakeCandidateWindow(_In_ ITfContext *pContextDocument, _In_ UINT wndWidth)
{
HRESULT hr = S_OK;
if (nullptr != _pCandidateWnd)
{
return hr;
}
_pCandidateWnd = new (std::nothrow) CCandidateWindow(_CandWndCallback, this, _pIndexRange, _pTextService->_IsStoreAppMode());
if (_pCandidateWnd == nullptr)
{
hr = E_OUTOFMEMORY;
goto Exit;
}
HWND parentWndHandle = nullptr;
ITfContextView* pView = nullptr;
if (SUCCEEDED(pContextDocument->GetActiveView(&pView)))
{
pView->GetWnd(&parentWndHandle);
}
if (!_pCandidateWnd->_Create(_atom, wndWidth, parentWndHandle))
{
hr = E_OUTOFMEMORY;
goto Exit;
}
Exit:
return hr;
}
BOOL CInputModeWindow::_Create(CTextService *pTextService, ITfContext *pContext, BOOL bCandidateWindow, HWND hWnd)
{
POINT pt = {0, 0};
if(pContext != nullptr)
{
_pContext = pContext;
_pContext->AddRef();
if(_AdviseTextLayoutSink() != S_OK)
{
return FALSE;
}
}
if(!bCandidateWindow && _pContext == nullptr)
{
return FALSE;
}
_pTextService = pTextService;
_pTextService->AddRef();
_bCandidateWindow = bCandidateWindow;
if(_bCandidateWindow)
{
_hwndParent = hWnd;
}
else
{
ITfContextView *pContextView;
if(_pContext->GetActiveView(&pContextView) == S_OK)
{
if(FAILED(pContextView->GetWnd(&_hwndParent)) || _hwndParent == nullptr)
{
_hwndParent = GetFocus();
}
SafeRelease(&pContextView);
}
}
_hwnd = CreateWindowExW(WS_EX_TOOLWINDOW | WS_EX_TOPMOST | WS_EX_NOACTIVATE,
InputModeWindowClass, L"", WS_POPUP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
_hwndParent, nullptr, g_hInst, this);
if(_hwnd == nullptr)
{
return FALSE;
}
HDC hdc = GetDC(nullptr);
_size = MulDiv(16, GetDeviceCaps(hdc, LOGPIXELSY), 96);
ReleaseDC(nullptr, hdc);
if(_bCandidateWindow)
{
RECT r;
GetClientRect(_hwndParent, &r);
pt.x = r.left;
pt.y = r.bottom;
ClientToScreen(_hwndParent, &pt);
}
SetWindowPos(_hwnd, HWND_TOPMOST, pt.x, pt.y + IM_MERGIN_Y,
_size + IM_MERGIN_X * 2, _size + IM_MERGIN_Y * 2, SWP_NOACTIVATE);
return TRUE;
}
void CExtentMonitorTextService::_DumpExtent(TfEditCookie ec, ITfContext *pContext, UINT nEventId)
{
if (!_pMemStream)
return;
ClearStream(_pMemStream);
switch (nEventId)
{
case DE_EVENTID_ACTIVATE:
AddStringToStream(_pMemStream, L"Event: Activate\r\n");
break;
case DE_EVENTID_ONSETFOCUS:
AddStringToStream(_pMemStream, L"Event: OnSetFocus\r\n");
break;
case DE_EVENTID_ONENDEDIT:
AddStringToStream(_pMemStream, L"Event: OnEndEdit\r\n");
break;
case DE_EVENTID_ONLAYOUTCHANGE:
AddStringToStream(_pMemStream, L"Event: OnLayoutChange\r\n");
break;
case DE_EVENTID_FROMLANGUAGEBAR:
AddStringToStream(_pMemStream, L"Event: From LanguageBar\r\n");
break;
default:
AddStringToStream(_pMemStream, L"Event: Unknoen\r\n");
break;
}
WCHAR sz[512];
ITfContextView *pView = NULL;
TF_SELECTION sel;
memset(&_rcStartPos , 0, sizeof(RECT));
memset(&_rcEndPos , 0, sizeof(RECT));
memset(&_rcSelection , 0, sizeof(RECT));
memset(&_rcView , 0, sizeof(RECT));
if (SUCCEEDED(pContext->GetActiveView(&pView)))
{
ITfRange *pRange;
RECT rc;
BOOL fClipped;
HWND hwnd;
AddStringToStream(_pMemStream, L"Wnd Handle - ");
if (SUCCEEDED(pView->GetWnd(&hwnd)))
{
WCHAR szWndClass[32];
if (IsWindow(hwnd))
{
GetClassNameW(hwnd, szWndClass, ARRAYSIZE(szWndClass));
StringCchPrintf(sz, ARRAYSIZE(sz), L"%08x %s\r\n", (DWORD)(ULONG_PTR)hwnd, szWndClass);
AddStringToStream(_pMemStream, sz);
}
else
{
AddStringToStream(_pMemStream, L"null window handle\r\n");
}
}
AddStringToStream(_pMemStream, L"Screen Ext\r\n");
if (SUCCEEDED(pView->GetScreenExt(&rc)))
{
StringCchPrintf(sz, ARRAYSIZE(sz), L" (%d, %d, %d, %d) - (%d, %d)\r\n", rc.left, rc.top, rc.right, rc.bottom, rc.right - rc.left, rc.bottom - rc.top);
AddStringToStream(_pMemStream, sz);
_rcView = rc;
}
AddStringToStream(_pMemStream, L"Start Pos\r\n");
if (SUCCEEDED(pContext->GetStart(ec, &pRange)))
{
if (SUCCEEDED(pView->GetTextExt(ec, pRange, &rc, &fClipped)))
{
StringCchPrintf(sz, ARRAYSIZE(sz), L" (%d, %d, %d, %d) - (%d, %d) %s\r\n", rc.left, rc.top, rc.right, rc.bottom, rc.right - rc.left, rc.bottom - rc.top, fClipped ? L"Clipped" : L"");
AddStringToStream(_pMemStream, sz);
_rcStartPos = rc;
}
pRange->Release();
}
AddStringToStream(_pMemStream, L"End Pos\r\n");
if (SUCCEEDED(pContext->GetEnd(ec, &pRange)))
{
if (SUCCEEDED(pView->GetTextExt(ec, pRange, &rc, &fClipped)))
{
StringCchPrintf(sz, ARRAYSIZE(sz), L" (%d, %d, %d, %d) - (%d, %d) %s\r\n", rc.left, rc.top, rc.right, rc.bottom, rc.right - rc.left, rc.bottom - rc.top, fClipped ? L"Clipped" : L"");
AddStringToStream(_pMemStream, sz);
_rcEndPos = rc;
}
pRange->Release();
}
AddStringToStream(_pMemStream, L"Selection Pos\r\n");
ULONG cFetched;
if (SUCCEEDED(pContext->GetSelection(ec, 0, 1, &sel, &cFetched)))
{
if (sel.range)
{
if (SUCCEEDED(pView->GetTextExt(ec, sel.range, &rc, &fClipped)))
{
StringCchPrintf(sz, ARRAYSIZE(sz), L" (%d, %d, %d, %d) - (%d, %d) %s\r\n", rc.left, rc.top, rc.right, rc.bottom, rc.right - rc.left, rc.bottom - rc.top, fClipped ? L"Clipped" : L"");
AddStringToStream(_pMemStream, sz);
_rcSelection = rc;
}
AddStringToStream(_pMemStream, L" ");
_DumpRange(ec, sel.range);
AddStringToStream(_pMemStream, L"\r\n");
sel.range->Release();
}
}
AddStringToStream(_pMemStream, L"Char Pos\r\n");
if (SUCCEEDED(pContext->GetStart(ec, &pRange)))
{
LONG cch;
memset(&_rcRanges[0] , 0, sizeof(RECT) * ARRAYSIZE(_rcRanges));
if (SUCCEEDED(pRange->ShiftEnd(ec, 1, &cch, NULL)) && cch)
{
for (int i = 0; i < ARRAYSIZE(_rcRanges); i++)
{
if (SUCCEEDED(pView->GetTextExt(ec, pRange, &rc, &fClipped)))
{
StringCchPrintf(sz, ARRAYSIZE(sz), L" (%d, %d, %d, %d) - (%d, %d) %s", rc.left, rc.top, rc.right, rc.bottom, rc.right - rc.left, rc.bottom - rc.top, fClipped ? L"Clipped" : L"");
AddStringToStream(_pMemStream, sz);
AddStringToStream(_pMemStream, L" ");
ITfRange *pRangeTmp;
if (SUCCEEDED(pRange->Clone(&pRangeTmp)))
{
_DumpRange(ec, pRangeTmp);
pRangeTmp->Release();
}
AddStringToStream(_pMemStream, L"\r\n");
OffsetRect(&rc, 0 - _rcView.left, 0 - _rcView.top);
_rcRanges[i] = rc;
}
if (FAILED(pRange->ShiftEnd(ec, 1, &cch, NULL)) || !cch)
break;
if (FAILED(pRange->ShiftStart(ec, 1, &cch, NULL)) || !cch)
break;
}
}
pRange->Release();
}
pView->Release();
}
_EnsurePopupWindow();
if (IsShownExtentVisualWindows())
_UpdateExtentVisualWindows();
if (IsShownRangeExtentViewer())
_UpdateRangeExtentViewer();
return;
}
HRESULT CCandidateList::_StartCandidateList(TfClientId tfClientId, ITfDocumentMgr *pDocumentMgr,
ITfContext *pContext, TfEditCookie ec, ITfRange *pRange, BOOL reg, BOOL comp)
{
HRESULT hr = E_FAIL;
TfEditCookie ecTextStore;
ITfContextView *pContextView;
HWND hwnd = NULL;
_EndCandidateList();
if(pDocumentMgr->CreateContext(tfClientId, 0, NULL, &_pContextCandidateWindow, &ecTextStore) != S_OK)
{
return E_FAIL;
}
if(pDocumentMgr->Push(_pContextCandidateWindow) != S_OK)
{
goto exit;
}
_pDocumentMgr = pDocumentMgr;
_pDocumentMgr->AddRef();
_pContextDocument = pContext;
_pContextDocument->AddRef();
_pRangeComposition = pRange;
_pRangeComposition->AddRef();
_ec = ec;
_comp = comp;
if(_AdviseContextKeyEventSink() != S_OK)
{
goto exit;
}
if(_AdviseTextLayoutSink() != S_OK)
{
goto exit;
}
try
{
_pCandidateWindow = new CCandidateWindow(_pTextService, this);
if(pContext->GetActiveView(&pContextView) == S_OK)
{
if(!_pTextService->_UILessMode && _pCandidateWindow->_CanShowUIElement())
{
if(FAILED(pContextView->GetWnd(&hwnd)) || hwnd == NULL)
{
hwnd = GetFocus();
}
}
SafeRelease(&pContextView);
}
if(!_pCandidateWindow->_Create(hwnd, NULL, 0, 0, reg, comp))
{
goto exit;
}
HRESULT hrSession = E_FAIL;
try
{
CCandidateWindowEditSession *pEditSession =
new CCandidateWindowEditSession(_pTextService, _pContextDocument, _pRangeComposition, _pCandidateWindow);
// Asynchronous
pContext->RequestEditSession(ec, pEditSession, TF_ES_ASYNC | TF_ES_READWRITE, &hrSession);
SafeRelease(&pEditSession);
}
catch(...)
{
}
if(hrSession != TF_S_ASYNC)
{
hr = E_FAIL;
goto exit;
}
hr = S_OK;
}
catch(...)
{
}
exit:
if(hr != S_OK)
{
_EndCandidateList();
}
return hr;
}
