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UIPresenter.cpp
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UIPresenter.cpp
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//
//
// Derived from Microsoft Sample IME by Jeremy '13,7,17
//
//
//#define DEBUG_PRINT
//May need to disable when debugging
#define CANCEL_CAND_ON_KILL_FOCUS
#include "Private.h"
#include "CandidateWindow.h"
#include "UIPresenter.h"
#include "CompositionProcessorEngine.h"
#include "BaseStructure.h"
//////////////////////////////////////////////////////////////////////
//
// UIPresenter class
//
//////////////////////////////////////////////////////////////////////+---------------------------------------------------------------------------
//
// ctor
//
//----------------------------------------------------------------------------
CUIPresenter::CUIPresenter(_In_ CDIME *pTextService, CCompositionProcessorEngine *pCompositionProcessorEngine)
: CTfTextLayoutSink(pTextService)
{
debugPrint(L"CUIPresenter::CUIPresenter() constructor");
_pTextService = pTextService;
if(_pTextService)
_pTextService->AddRef();
if(pCompositionProcessorEngine)
_pIndexRange = pCompositionProcessorEngine->GetCandidateListIndexRange();
_parentWndHandle = nullptr;
_pCandidateWnd = nullptr;
_pNotifyWnd = nullptr;
_updatedFlags = 0;
_uiElementId = (DWORD)-1;
_isShowMode = TRUE; // store return value from BeginUIElement
_refCount = 1;
//intialized the location out of screen to avoid showing before correct tracking position obtained.
_candLocation.x = -32768;
_candLocation.y = -32768;
_notifyLocation.x = -32768;
_notifyLocation.y = -32768;
_rectCompRange.top = -32768;
_rectCompRange.bottom = -32768;
_rectCompRange.left = -32768;
_rectCompRange.right = -32768;
_inFocus = FALSE;
}
//+---------------------------------------------------------------------------
//
// dtor
//
//----------------------------------------------------------------------------
CUIPresenter::~CUIPresenter()
{
debugPrint(L"CUIPresenter::~CUIPresenter() destructor");
_EndCandidateList();
DisposeNotifyWindow();
_pTextService->Release();
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::IUnknown::QueryInterface
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::QueryInterface(REFIID riid, _Outptr_ void **ppvObj)
{
if (CTfTextLayoutSink::QueryInterface(riid, ppvObj) == S_OK)
{
return S_OK;
}
if (ppvObj == nullptr)
{
return E_INVALIDARG;
}
*ppvObj = nullptr;
if (IsEqualIID(riid, IID_ITfUIElement) ||
IsEqualIID(riid, IID_ITfCandidateListUIElement))
{
*ppvObj = (ITfCandidateListUIElement*)this;
}
else if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_ITfCandidateListUIElementBehavior))
{
*ppvObj = (ITfCandidateListUIElementBehavior*)this;
}
else if (IsEqualIID(riid, __uuidof(ITfIntegratableCandidateListUIElement)))
{
*ppvObj = (ITfIntegratableCandidateListUIElement*)this;
}
if (*ppvObj)
{
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::IUnknown::AddRef
//
//----------------------------------------------------------------------------
STDAPI_(ULONG) CUIPresenter::AddRef()
{
CTfTextLayoutSink::AddRef();
return ++_refCount;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::IUnknown::Release
//
//----------------------------------------------------------------------------
STDAPI_(ULONG) CUIPresenter::Release()
{
CTfTextLayoutSink::Release();
LONG cr = --_refCount;
assert(_refCount >= 0);
if (_refCount == 0)
{
delete this;
}
return cr;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::ITfUIElement::GetDescription
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetDescription(BSTR *pbstr)
{
if (pbstr)
{
*pbstr = SysAllocString(L"Cand");
}
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::ITfUIElement::GetGUID
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetGUID(GUID *pguid)
{
*pguid = Global::DIMEGuidCandUIElement;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfDIMEUIElement::ITfUIElement::Show
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::Show(BOOL showWindow)
{
debugPrint(L"CUIPresenter::Show(), showWindow=%d", showWindow);
if (showWindow)
{
ToShowUIWindows();
}
else
{
ToHideUIWindows();
}
return S_OK;
}
HRESULT CUIPresenter::ToShowUIWindows()
{
debugPrint(L"CUIPresenter::ToShowUIWindows()");
_MoveUIWindowsToTextExt();
if(_pCandidateWnd) _pCandidateWnd->_Show(TRUE);
if(_pNotifyWnd && _pNotifyWnd->GetNotifyType() == NOTIFY_OTHERS)
{
_pNotifyWnd->_Show(TRUE);
}
return S_OK;
}
HRESULT CUIPresenter::ToHideUIWindows()
{
debugPrint(L"CUIPresenter::ToHideUIWindows()");
if (_pCandidateWnd) _pCandidateWnd->_Show(FALSE);
if(_pNotifyWnd)
{
ClearNotify();
}
_updatedFlags = TF_CLUIE_SELECTION | TF_CLUIE_CURRENTPAGE;
_UpdateUIElement();
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::ITfUIElement::IsShown
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::IsShown(BOOL *pIsShow)
{
if(_pCandidateWnd)
*pIsShow = _pCandidateWnd->_IsWindowVisible();
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetUpdatedFlags
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetUpdatedFlags(DWORD *pdwFlags)
{
debugPrint(L"CUIPresenter::GetUpdatedFlags(), _updatedFlags = %x", _updatedFlags);
*pdwFlags = _updatedFlags;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetDocumentMgr
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetDocumentMgr(ITfDocumentMgr **ppdim)
{
debugPrint(L"CUIPresenter::GetDocumentMgr()");
*ppdim = nullptr;
return E_NOTIMPL;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetCount
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetCount(UINT *pCandidateCount)
{
if (_pCandidateWnd)
{
*pCandidateCount = _pCandidateWnd->_GetCount();
}
else
{
*pCandidateCount = 0;
}
debugPrint(L"CUIPresenter::GetCount(), *pCandidateCount = %d", *pCandidateCount);
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetSelection
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetSelection(UINT *pSelectedCandidateIndex)
{
if (_pCandidateWnd)
{
*pSelectedCandidateIndex = _pCandidateWnd->_GetSelection();
}
else
{
*pSelectedCandidateIndex = 0;
}
debugPrint(L"CUIPresenter::GetSelection(), *pSelectedCandidateIndex = %d", *pSelectedCandidateIndex);
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetString
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetString(UINT uIndex, BSTR *pbstr)
{
if (_pCandidateWnd == nullptr || (uIndex > _pCandidateWnd->_GetCount()))
{
return E_FAIL;
}
DWORD candidateLen = 0;
const WCHAR* pCandidateString = nullptr;
candidateLen = _pCandidateWnd->_GetCandidateString(uIndex, &pCandidateString);
*pbstr = (candidateLen == 0) ? nullptr : SysAllocStringLen(pCandidateString, candidateLen);
//debugPrint(L"CUIPresenter::GetString(), uIndex = %d, pbstr = %s", uIndex, pbstr);
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetPageIndex
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetPageIndex(UINT *pIndex, UINT uSize, UINT *puPageCnt)
{
debugPrint(L"CUIPresenter::GetPageIndex()");
if (_pCandidateWnd == nullptr)
{
if (pIndex)
{
*pIndex = 0;
}
*puPageCnt = 0;
return S_OK;
}
return _pCandidateWnd->_GetPageIndex(pIndex, uSize, puPageCnt);
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::SetPageIndex
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::SetPageIndex(UINT *pIndex, UINT uPageCnt)
{
debugPrint(L"CUIPresenter::SetPageIndex(), index = %d, page count =%d", *pIndex, uPageCnt );
if (_pCandidateWnd == nullptr)
{
return E_FAIL;
}
return _pCandidateWnd->_SetPageIndex(pIndex, uPageCnt);
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElement::GetCurrentPage
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetCurrentPage(UINT *puPage)
{
debugPrint(L"CUIPresenter::GetCurrentPage(), puPage =%d", _pCandidateWnd->_GetCurrentPage(puPage) );
if (_pCandidateWnd == nullptr)
{
*puPage = 0;
return S_OK;
}
return _pCandidateWnd->_GetCurrentPage(puPage);
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElementBehavior::SetSelection
// It is related of the mouse clicking behavior upon the suggestion window
//----------------------------------------------------------------------------
STDAPI CUIPresenter::SetSelection(UINT nIndex)
{
debugPrint(L"CUIPresenter::SetSelection(), nIndex =%d", nIndex);
if (_pCandidateWnd)
{
_pCandidateWnd->_SetSelection(nIndex);
}
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElementBehavior::Finalize
// It is related of the mouse clicking behavior upon the suggestion window
//----------------------------------------------------------------------------
STDAPI CUIPresenter::Finalize(void)
{
debugPrint(L"CUIPresenter::Finalize()");
_CandidateChangeNotification(CAND_ITEM_SELECT);
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElementBehavior::Abort
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::Abort(void)
{
debugPrint(L"CUIPresenter::Abort()");
return E_NOTIMPL;
}
//+---------------------------------------------------------------------------
//
// ITfCandidateListUIElementBehavior::SetIntegrationStyle
// To show candidateNumbers on the suggestion window
//----------------------------------------------------------------------------
STDAPI CUIPresenter::SetIntegrationStyle(GUID guidIntegrationStyle)
{
debugPrint(L"CUIPresenter::SetIntegrationStyle() ok? = %d", (guidIntegrationStyle == GUID_INTEGRATIONSTYLE_SEARCHBOX));
return (guidIntegrationStyle == GUID_INTEGRATIONSTYLE_SEARCHBOX) ? S_OK : E_NOTIMPL;
}
//+---------------------------------------------------------------------------
//
// ITfIntegratableCandidateListUIElement::GetSelectionStyle
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::GetSelectionStyle(_Out_ TfIntegratableCandidateListSelectionStyle *ptfSelectionStyle)
{
debugPrint(L"CUIPresenter::GetSelectionStyle()");
*ptfSelectionStyle = STYLE_ACTIVE_SELECTION;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfIntegratableCandidateListUIElement::OnKeyDown
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::OnKeyDown(_In_ WPARAM wParam, _In_ LPARAM lParam, _Out_ BOOL *pIsEaten)
{
debugPrint(L"CUIPresenter::OnKeyDown() wParam=%x, lpwaram=%x", wParam, lParam);
wParam;
lParam;
*pIsEaten = TRUE;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfIntegratableCandidateListUIElement::ShowCandidateNumbers
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::ShowCandidateNumbers(_Out_ BOOL *pIsShow)
{
debugPrint(L"CUIPresenter::ShowCandidateNumbers()");
*pIsShow = TRUE;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// ITfIntegratableCandidateListUIElement::FinalizeExactCompositionString
//
//----------------------------------------------------------------------------
STDAPI CUIPresenter::FinalizeExactCompositionString()
{
debugPrint(L"CUIPresenter::FinalizeExactCompositionString()");
return E_NOTIMPL;
}
//+---------------------------------------------------------------------------
//
// _StartCandidateList
//
//----------------------------------------------------------------------------
HRESULT CUIPresenter::_StartCandidateList(TfClientId tfClientId, _In_ ITfDocumentMgr *pDocumentMgr, _In_ ITfContext *pContextDocument, TfEditCookie ec, _In_ ITfRange *pRangeComposition, UINT wndWidth)
{
debugPrint(L"\nCUIPresenter::_StartCandidateList()");
pDocumentMgr;tfClientId;
HRESULT hr = E_FAIL;
CStringRange notify;
RECT rcTextExt = { 0,0,0,0 };
if (FAILED(_StartLayout(pContextDocument, ec, pRangeComposition)))
{
goto Exit;
}
BeginUIElement();
hr = MakeCandidateWindow(pContextDocument, wndWidth);
if (FAILED(hr))
{
goto Exit;
}
Show(_isShowMode);
if (SUCCEEDED(_GetTextExt(&rcTextExt)))
{
_LayoutChangeNotification(&rcTextExt);
}
Exit:
if (FAILED(hr))
{
_EndCandidateList();
}
debugPrint(L"CUIPresenter::_StartCandidateList(), hresult = %d\n", hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// _EndCandidateList
//
//----------------------------------------------------------------------------
void CUIPresenter::_EndCandidateList()
{
debugPrint(L"CUIPresenter::_EndCandidateList()");
EndUIElement();
_ClearCandidateList();
//ClearNotify(); //should not clear notify to preserve array special code notify
_UpdateUIElement();
DisposeCandidateWindow();
_EndLayout();
}
//+---------------------------------------------------------------------------
//
// _SetText
//
//----------------------------------------------------------------------------
void CUIPresenter::_SetCandidateText(_In_ CDIMEArray<CCandidateListItem> *pCandidateList,_In_ CCandidateRange* pIndexRange, BOOL isAddFindKeyCode, UINT candWidth)
{
debugPrint(L"CUIPresenter::_SetCandidateText() candWidth = %d", candWidth);
#ifdef DEBUG_PRINT
for (UINT i = 0; i < pCandidateList->Count(); i++)
{
WCHAR key[255], value[255];
StringCchCopyNW(key, 255, pCandidateList->GetAt(i)->_ItemString.Get(), pCandidateList->GetAt(i)->_ItemString.GetLength());
StringCchCopyNW(value, 255, pCandidateList->GetAt(i)->_FindKeyCode.Get(), pCandidateList->GetAt(i)->_FindKeyCode.GetLength());
debugPrint(L"Cand item %d:%s:%s", i, key, value);
}
#endif
AddCandidateToUI(pCandidateList, isAddFindKeyCode);
_pIndexRange = pIndexRange;
SetPageIndexWithScrollInfo(pCandidateList);
if(_pCandidateWnd)
_pCandidateWnd->_SetCandStringLength(candWidth);
Show(_isShowMode);
if (_isShowMode && _pCandidateWnd)
{
_pCandidateWnd->_InvalidateRect();
}
else
{
_updatedFlags = TF_CLUIE_COUNT |
TF_CLUIE_SELECTION |
TF_CLUIE_STRING |
TF_CLUIE_PAGEINDEX |
TF_CLUIE_CURRENTPAGE;
_UpdateUIElement();
}
}
void CUIPresenter::AddCandidateToUI(_In_ CDIMEArray<CCandidateListItem> *pCandidateList, BOOL isAddFindKeyCode)
{
debugPrint(L"UIPresenter:AddCandidateToUI()");
if(pCandidateList == nullptr || _pCandidateWnd == nullptr) return;
for (UINT index = 0; index < pCandidateList->Count(); index++)
{
/*
CCandidateListItem *pCandidateItem;
pCandidateItem = pCandidateList->GetAt(index);
WCHAR key[255], value[255];
StringCchCopyNW(key, 255, pCandidateItem->_ItemString.Get(), pCandidateItem->_ItemString.GetLength());
StringCchCopyNW(value, 255, pCandidateItem->_FindKeyCode.Get(), pCandidateItem->_FindKeyCode.GetLength());
debugPrint(L"Cand item:%s:%s", key, value);
*/
_pCandidateWnd->_AddString(pCandidateList->GetAt(index), isAddFindKeyCode);
}
}
void CUIPresenter::SetPageIndexWithScrollInfo(_In_ CDIMEArray<CCandidateListItem> *pCandidateList)
{
if(_pIndexRange == nullptr || pCandidateList == nullptr || _pCandidateWnd==nullptr ) return;
_pCandidateWnd->_SetCandIndexRange(_pIndexRange);
UINT candCntInPage = _pIndexRange->Count();
UINT bufferSize = pCandidateList->Count() / candCntInPage + 1;
UINT* puPageIndex = new (std::nothrow) UINT[ bufferSize ];
if (puPageIndex != nullptr)
{
for (UINT i = 0; i < bufferSize; i++)
{
puPageIndex[i] = i * candCntInPage;
}
_pCandidateWnd->_SetPageIndex(puPageIndex, bufferSize);
delete [] puPageIndex;
}
_pCandidateWnd->_SetScrollInfo(pCandidateList->Count(), candCntInPage); // nMax:range of max, nPage:number of items in page
}
//+---------------------------------------------------------------------------
//
// _ClearList
//
//----------------------------------------------------------------------------
void CUIPresenter::_ClearCandidateList()
{
if(_pCandidateWnd)
{
_pCandidateWnd->_ClearList();
_pCandidateWnd->_InvalidateRect();
}
}
//+---------------------------------------------------------------------------
//
// _SetTextColor
// _SetFillColor
//
//----------------------------------------------------------------------------
void CUIPresenter::_SetNotifyTextColor(COLORREF crColor, COLORREF crBkColor)
{
if(_pNotifyWnd)
{
_pNotifyWnd->_SetTextColor(crColor, crBkColor);
_pNotifyWnd->_SetFillColor(crBkColor);
_pNotifyWnd->_InvalidateRect();
}
}
void CUIPresenter::_SetCandidateNumberColor(COLORREF crColor, COLORREF crBkColor)
{
if(_pCandidateWnd)
_pCandidateWnd->_SetNumberColor(crColor, crBkColor);
}
void CUIPresenter::_SetCandidateTextColor(COLORREF crColor, COLORREF crBkColor)
{
if(_pCandidateWnd)
_pCandidateWnd->_SetTextColor(crColor, crBkColor);
}
void CUIPresenter::_SetCandidateSelectedTextColor(COLORREF crColor, COLORREF crBkColor)
{
if(_pCandidateWnd)
_pCandidateWnd->_SetSelectedTextColor(crColor, crBkColor);
}
void CUIPresenter::_SetCandidateFillColor(COLORREF fiColor)
{
if(_pCandidateWnd)
_pCandidateWnd->_SetFillColor(fiColor);
}
// +-------------------------------------------------------------------------- -
//
// _GetSelectedCandidateKeyCode
//
//----------------------------------------------------------------------------
DWORD_PTR CUIPresenter::_GetSelectedCandidateKeyCode(_Inout_ const WCHAR **ppwchCandidateString)
{
if (_pCandidateWnd)
return _pCandidateWnd->_GetSelectedCandidateKeyCode(ppwchCandidateString);
else
return 0;
}
//+---------------------------------------------------------------------------
//
// _GetSelectedCandidateString
//
//----------------------------------------------------------------------------
DWORD_PTR CUIPresenter::_GetSelectedCandidateString(_Inout_ const WCHAR **ppwchCandidateString)
{
if(_pCandidateWnd)
return _pCandidateWnd->_GetSelectedCandidateString(ppwchCandidateString);
else
return 0;
}
//+---------------------------------------------------------------------------
//
// _MoveSelection
//
//----------------------------------------------------------------------------
BOOL CUIPresenter::_MoveCandidateSelection(_In_ int offSet)
{
if(_pCandidateWnd == nullptr) return FALSE;
BOOL ret = _pCandidateWnd->_MoveSelection(offSet, TRUE);
if (ret)
{
if (_isShowMode)
{
_pCandidateWnd->_InvalidateRect();
}
else
{
_updatedFlags = TF_CLUIE_SELECTION;
_UpdateUIElement();
}
}
return ret;
}
//+---------------------------------------------------------------------------
//
// _SetSelection
//
//----------------------------------------------------------------------------
BOOL CUIPresenter::_SetCandidateSelection(_In_ int selectedIndex, _In_opt_ BOOL isNotify)
{
debugPrint(L"CUIPresenter::_SetCandidateSelection(), selectedIndex = %d, iSnotify = %d", selectedIndex, isNotify);
if(_pCandidateWnd == nullptr) return FALSE;
BOOL ret = _pCandidateWnd->_SetSelection(selectedIndex, isNotify);
if (ret)
{
if (_isShowMode)
{
_pCandidateWnd->_InvalidateRect();
}
else
{
_updatedFlags = TF_CLUIE_SELECTION |
TF_CLUIE_CURRENTPAGE;
_UpdateUIElement();
}
}
return ret;
}
//+---------------------------------------------------------------------------
//
// _MovePage
//
//----------------------------------------------------------------------------
BOOL CUIPresenter::_MoveCandidatePage(_In_ int offSet)
{
debugPrint(L"CUIPresenter::_MoveCandidatePage(), offSet = %d", offSet);
if(_pCandidateWnd == nullptr) return FALSE;
BOOL ret = _pCandidateWnd->_MovePage(offSet, TRUE);
if (ret)
{
if (_isShowMode)
{
_pCandidateWnd->_InvalidateRect();
}
else
{
_updatedFlags = TF_CLUIE_SELECTION |
TF_CLUIE_CURRENTPAGE;
_UpdateUIElement();
}
}
return ret;
}
//+---------------------------------------------------------------------------
//
// _MoveWindowToTextExt
//
//----------------------------------------------------------------------------
void CUIPresenter::_MoveUIWindowsToTextExt()
{
debugPrint(L"CUIPresenter::_MoveUIWindowToTextExt()");
RECT compRect = { 0,0,0,0 };
if (SUCCEEDED(_GetTextExt(&compRect)))
{
debugPrint(L"CUIPresenter::_MoveUIWindowToTextExt(), top = %d, bottom = %d, right = %d, left = %d", compRect.top, compRect.bottom, compRect.right, compRect.left);
_LayoutChangeNotification(&compRect, true);
}
else
_LayoutChangeNotification(&_rectCompRange, true);
}
//+---------------------------------------------------------------------------
//
// _LayoutChangeNotification
//
//----------------------------------------------------------------------------
VOID CUIPresenter::_LayoutChangeNotification(_In_ RECT *lpRect)
{
_LayoutChangeNotification(lpRect, false);
}
VOID CUIPresenter::_LayoutChangeNotification(_In_ RECT *lpRect, BOOL firstCall)
{
debugPrint(L"CUIPresenter::_LayoutChangeNotification(), top = %d, bottom = %d, right = %d, left = %d", lpRect->top, lpRect->bottom, lpRect->right, lpRect->left);
if(lpRect == nullptr) return;
RECT compRect = * lpRect;
RECT candRect = {0, 0, 0, 0};
RECT notifyRect = {0, 0, 0, 0};
POINT candPt = {0, 0};
POINT notifyPt = {0, 0};
ITfContext *pContext = _GetContextDocument();
ITfContextView * pView = nullptr;
HWND parentWndHandle;
POINT caretPt = { 0, 0 };
if (pContext && SUCCEEDED(pContext->GetActiveView(&pView)))
{
debugPrint(L"parentWndHandle got from pContext");
pView->GetWnd(&parentWndHandle);
}
else
{
parentWndHandle = GetForegroundWindow();
}
if (parentWndHandle)
{
GetCaretPos(&caretPt);
ClientToScreen(parentWndHandle, &caretPt);
debugPrint(L"current caret position from GetCaretPos, x = %d, y = %d", caretPt.x, caretPt.y);
// Recreate font for fitting current monitor resulution and font size
if (Global::isWindows8) CConfig::SetDefaultTextFont(parentWndHandle);
}
if (_pCandidateWnd && lpRect)
{
if (lpRect->bottom - lpRect->top > 1 || lpRect->right - lpRect->left > 1 ) // confirm the extent rect is valid.
{
_pCandidateWnd->_GetClientRect(&candRect);
if (((compRect.right - compRect.left) > (candRect.right - candRect.left)) && caretPt.x < compRect.right && caretPt.x >= compRect.left)
compRect.left = caretPt.x;
_pCandidateWnd->_GetWindowExtent(&compRect, &candRect, &candPt);
_pCandidateWnd->_Move(candPt.x, candPt.y);
_candLocation.x = candPt.x;
_candLocation.y = candPt.y;
debugPrint(L"move cand to x = %d, y = %d", candPt.x, candPt.y);
}
else if (firstCall && parentWndHandle)
{
_pCandidateWnd->_GetClientRect(&candRect);
compRect.left = caretPt.x;
compRect.right = caretPt.x;
compRect.top = caretPt.y;
compRect.bottom = caretPt.y;
_pCandidateWnd->_GetWindowExtent(&compRect, &candRect, &candPt);
_pCandidateWnd->_Move(candPt.x, candPt.y);
_candLocation.x = candPt.x;
_candLocation.y = candPt.y;
debugPrint(L"firstCall and compRect is not valid, force move cand to x = %d, y = %d", candPt.x, candPt.y);
}
}
if (_pNotifyWnd && lpRect)
{
// Recreate font for fitting current monitor resulution and font size
//if (Global::isWindows8) CConfig::SetDefaultTextFont(_pNotifyWnd->_GetWnd());
if (lpRect->bottom - lpRect->top > 1 || lpRect->right - lpRect->left > 1) // confirm the extent rect is valid.
{
if (_pCandidateWnd && _pCandidateWnd->_IsWindowVisible())
{
debugPrint(L"notify width = %d, candwidth = %d", _pNotifyWnd->_GetWidth(), _pCandidateWnd->_GetWidth());
if (candPt.x < (int)_pNotifyWnd->_GetWidth())
{
_pNotifyWnd->_Move(candPt.x + _pCandidateWnd->_GetWidth(), candPt.y);
debugPrint(L"move notify to x = %d, y = %d", candPt.x + _pCandidateWnd->_GetWidth(), candPt.y);
}
else
{
_pNotifyWnd->_Move(candPt.x - _pNotifyWnd->_GetWidth(), candPt.y);
debugPrint(L"move notify to x = %d, y = %d", candPt.x - _pNotifyWnd->_GetWidth(), candPt.y);
}
_notifyLocation.x = candPt.x;
_notifyLocation.y = candPt.y;
}
else
{
_pNotifyWnd->_GetClientRect(¬ifyRect);
if (((compRect.right - compRect.left) > (notifyRect.right - notifyRect.left)) && caretPt.x < compRect.right && caretPt.x >= compRect.left)
compRect.left = caretPt.x;
_pNotifyWnd->_GetWindowExtent(&compRect, ¬ifyRect, ¬ifyPt);
_pNotifyWnd->_Move(notifyPt.x, notifyPt.y);
_notifyLocation.x = notifyPt.x;
_notifyLocation.y = notifyPt.y;
debugPrint(L"move notify to x = %d, y = %d", notifyPt.x, notifyPt.y);
}
}
}
_rectCompRange = compRect;
}
void CUIPresenter::GetCandLocation(_Out_ POINT *lpPoint)
{
if(lpPoint)
{
lpPoint->x = _candLocation.x;
lpPoint->y = _candLocation.y;
}
}
//+---------------------------------------------------------------------------
//
// _LayoutDestroyNotification
//
//----------------------------------------------------------------------------
VOID CUIPresenter::_LayoutDestroyNotification()
{
debugPrint(L"CUIPresenter::_LayoutDestroyNotification()");
_EndCandidateList();
}
//+---------------------------------------------------------------------------
//
// _NotifyChangeNotifiction
//
//----------------------------------------------------------------------------
HRESULT CUIPresenter::_NotifyChangeNotification(_In_ enum NOTIFYWND_ACTION action, _In_ WPARAM wParam, _In_ LPARAM lParam)
{
debugPrint(L"CUIPresenter::_NotifyChangeNotification() action = %d, _inFocus =%d", action, _inFocus);
switch(action)
{
case SWITCH_CHN_ENG:
BOOL isEaten;
Global::IsShiftKeyDownOnly = TRUE;
if(_pTextService)
_pTextService->OnPreservedKey(NULL, Global::DIMEGuidImeModePreserveKey, &isEaten);
Global::IsShiftKeyDownOnly = FALSE;
break;
case SHOW_NOTIFY:
if((NOTIFY_TYPE)lParam == NOTIFY_CHN_ENG && !_pTextService->_IsComposing())