[reactos] 01/01: [MSCTF][MSUTB][SDK] Add CTipbarItem and CTipbarThread (#6477)

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=23db429e42a6c0505882f…

commit 23db429e42a6c0505882fe3a9017f0b341d9eff0
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Sun Feb 11 13:24:41 2024 +0900
Commit:     GitHub <noreply(a)github.com>
CommitDate: Sun Feb 11 13:24:41 2024 +0900

    [MSCTF][MSUTB][SDK] Add CTipbarItem and CTipbarThread (#6477)
    
    Supporting the Language bar...
    JIRA issue: CORE-19363
    - Modify msctf.spec.
    - Add CTipbarThread and
      CTipbarItem classes.
---
 dll/win32/msctf/msctf.spec          |   6 +-
 dll/win32/msutb/msutb.cpp           | 668 +++++++++++++++++++++++++++++++++++-
 sdk/include/psdk/msctf.idl          |   3 +
 sdk/include/reactos/cicero/cicuif.h |  13 +
 4 files changed, 686 insertions(+), 4 deletions(-)

diff --git a/dll/win32/msctf/msctf.spec b/dll/win32/msctf/msctf.spec
index 975acdb2118..a2cb7984b72 100644
--- a/dll/win32/msctf/msctf.spec
+++ b/dll/win32/msctf/msctf.spec
@@ -6,7 +6,7 @@
 @ stub SetInputScopeXML
 @ stdcall SetInputScopes(long ptr long ptr long wstr wstr)
 @ stub TF_CUASAppFix
-@ stub TF_CheckThreadInputIdle
+@ stdcall -stub TF_CheckThreadInputIdle(long long)
 @ stub TF_ClearLangBarAddIns
 @ stdcall -stub TF_CreateCategoryMgr(ptr)
 @ stdcall -stub TF_CreateCicLoadMutex(ptr)
@@ -21,7 +21,7 @@
 @ stdcall -stub TF_GetLangIcon(long ptr long)
 @ stdcall -stub TF_GetMlngHKL(long ptr ptr long)
 @ stdcall -stub TF_GetMlngIconIndex(long)
-@ stub TF_GetThreadFlags
+@ stdcall -stub TF_GetThreadFlags(long ptr ptr ptr)
 @ stdcall TF_GetThreadMgr(ptr)
 @ stdcall -stub TF_InatExtractIcon(long)
 @ stdcall TF_InitMlngInfo()
@@ -30,7 +30,7 @@
 @ stdcall -stub TF_InvalidAssemblyListCache()
 @ stdcall TF_InvalidAssemblyListCacheIfExist()
 @ stdcall TF_IsCtfmonRunning()
-@ stub TF_IsInMarshaling
+@ stdcall -stub TF_IsInMarshaling(long)
 @ stdcall -stub TF_MlngInfoCount()
 @ stdcall TF_RunInputCPL()
 @ stdcall -stub TF_PostAllThreadMsg(long long)
diff --git a/dll/win32/msutb/msutb.cpp b/dll/win32/msutb/msutb.cpp
index 9d5e6d8f557..31b05578656 100644
--- a/dll/win32/msutb/msutb.cpp
+++ b/dll/win32/msutb/msutb.cpp
@@ -1259,7 +1259,127 @@ public:
 /***********************************************************************/
 
 class CTipbarItem;
-class CTipbarThread;
+
+class CTipbarThread
+{
+protected:
+    CTipbarWnd *m_pTipbarWnd;
+    ITfLangBarItemMgr *m_pLangBarItemMgr;
+    CicArray<CTipbarItem*> m_UIObjects;
+    CicArray<CUIFObject*> m_Separators;
+    DWORD m_dwUnknown32;
+    DWORD m_dwThreadId;
+    DWORD m_dwFlags1;
+    DWORD m_dwFlags2;
+    INT m_cxGrip;
+    INT m_cyGrip;
+    DWORD m_dwFlags3;
+    DWORD m_dwUnknown34;
+    LONG m_cRefs;
+    friend class CTipbarWnd;
+    friend class CTipbarItem;
+
+public:
+    CTipbarThread(CTipbarWnd *pTipbarWnd);
+    virtual ~CTipbarThread();
+
+    HRESULT Init(DWORD dwThreadId);
+
+    HRESULT InitItemList();
+    HRESULT _UninitItemList(BOOL bUnAdvise);
+
+    DWORD IsDirtyItem();
+    BOOL IsFocusThread();
+    BOOL IsVertical();
+
+    void AddAllSeparators();
+    void RemoveAllSeparators();
+
+    void AddUIObjs();
+    void RemoveUIObjs();
+
+    void GetTextSize(BSTR bstr, LPSIZE pSize);
+    void LocateItems();
+    void MyMoveWnd(LONG xDelta, LONG yDelta);
+
+    HRESULT _UnadviseItemsSink();
+    LONG _AddRef() { return ++m_cRefs; }
+    LONG _Release();
+
+    //FIXME
+};
+
+/***********************************************************************/
+
+class CTipbarItem : public CTipbarAccItem
+{
+protected:
+    DWORD m_dwCookie;
+    TF_LANGBARITEMINFO m_ItemInfo;
+    DWORD m_dwUnknown16;
+    DWORD m_dwUnknown17;
+    CTipbarThread *m_pTipbarThread;
+    ITfLangBarItem *m_pLangBarItem;
+    DWORD m_dwUnknown18[2];
+    DWORD m_dwItemFlags;
+    DWORD m_dwDirty;
+    DWORD m_dwUnknown19[4];
+    friend class CTipbarThread;
+    friend class CTipbarWnd;
+
+public:
+    CTipbarItem(
+        CTipbarThread *pThread,
+        ITfLangBarItem *pLangBarItem,
+        TF_LANGBARITEMINFO *pItemInfo,
+        DWORD dwUnknown16);
+    ~CTipbarItem() override;
+
+    void _AddedToUI();
+    void _RemovedToUI();
+    void AddRemoveMeToUI(BOOL bFlag);
+
+    BOOL IsConnected();
+    void ClearConnections();
+
+    void StartDemotingTimer(BOOL bStarted);
+
+    void MyClientToScreen(LPPOINT ppt, LPRECT prc);
+    void MyClientToScreen(LPRECT prc) { return MyClientToScreen(NULL, prc); }
+
+    STDMETHOD_(BSTR, GetAccName)() override;
+    STDMETHOD_(void, GetAccLocation)(LPRECT prc) override;
+    STDMETHOD_(BOOL, DoAccDefaultAction)() override;
+    STDMETHOD(OnUnknown40)() { return S_OK; }
+    STDMETHOD(OnUnknown41)() { return S_OK; }
+    STDMETHOD(OnUnknown42)() { return S_OK; }
+    STDMETHOD(OnUnknown43)() { return S_OK; }
+    STDMETHOD(OnUpdate)(DWORD dwDirty);
+    STDMETHOD(OnUnknown44)() { return S_OK; }
+    STDMETHOD_(void, OnUnknown45)(DWORD dwDirty, DWORD dwStatus) { }
+    STDMETHOD_(void, OnUpdateHandler)(ULONG, ULONG);
+    STDMETHOD(OnUnknown46)(CUIFWindow *pWindow) { return S_OK; }
+    STDMETHOD(OnUnknown47)(CUIFWindow *pWindow) { return S_OK; }
+    STDMETHOD(OnUnknown48)() { return S_OK; }
+    STDMETHOD(OnUnknown49)() { return S_OK; }
+    STDMETHOD(OnUnknown50)() { return S_OK; }
+    STDMETHOD(OnUnknown51)() { return S_OK; }
+    STDMETHOD(OnUnknown52)() { return S_OK; }
+    STDMETHOD(OnUnknown53)(BSTR bstr) { return S_OK; }
+    STDMETHOD_(LPCWSTR, OnUnknown55)() { return NULL; }
+    STDMETHOD(OnUnknown56)() { return S_OK; }
+    STDMETHOD_(LPCWSTR, GetToolTip)();
+    STDMETHOD(OnUnknown57)(LPRECT prc) { return S_OK; }
+    STDMETHOD(OnUnknown58)() { return S_OK; }
+    STDMETHOD_(void, OnUnknown59)() { }
+    STDMETHOD_(void, OnUnknown60)() { }
+    STDMETHOD_(void, OnUnknown61)(HWND) { }
+    STDMETHOD_(void, OnUnknown62)(HWND) { }
+    STDMETHOD(OnUnknown63)() { return S_OK; }
+};
+
+/***********************************************************************/
+
 class CTipbarCtrlButtonHolder;
 class CDeskBand;
 
@@ -1312,8 +1432,11 @@ class CTipbarWnd
     LONG m_cRefs;
     friend class CUTBContextMenu;
     friend class CTipbarGripper;
+    friend class CTipbarThread;
+    friend class CTipbarItem;
     friend VOID WINAPI ClosePopupTipbar(VOID);
     friend BOOL GetTipbarInternal(HWND hWnd, DWORD dwFlags, CDeskBand *pDeskBand);
+    friend LONG MyWaitForInputIdle(DWORD dwThreadId, DWORD dwMilliseconds);
 
 public:
     CTipbarWnd(DWORD style);
@@ -4814,6 +4937,549 @@ STDMETHODIMP_(void) CTipbarWnd::HandleMouseMsg(UINT uMsg, LONG x,
LONG y)
 {
 }
 
+/***********************************************************************
+ * CTipbarThread
+ */
+
+CTipbarThread::CTipbarThread(CTipbarWnd *pTipbarWnd)
+{
+    m_pTipbarWnd = pTipbarWnd;
+    m_dwThreadId = 0;
+    m_pLangBarItemMgr = NULL;
+    m_cRefs = 1;
+}
+
+CTipbarThread::~CTipbarThread()
+{
+    if (m_pTipbarWnd)
+    {
+        RemoveUIObjs();
+        m_pTipbarWnd->CleanUpThreadPointer(this, 1);
+    }
+
+    _UninitItemList(1);
+
+    if (m_pLangBarItemMgr)
+    {
+        m_pLangBarItemMgr->Release();
+        m_pLangBarItemMgr = NULL;
+    }
+}
+
+HRESULT CTipbarThread::Init(DWORD dwThreadId)
+{
+    m_dwThreadId = dwThreadId;
+    if (!TF_GetThreadFlags(dwThreadId, &m_dwFlags1, &m_dwFlags2,
&m_dwFlags3))
+        return E_FAIL;
+    if (m_dwFlags1 & 0x8)
+        return S_OK;
+    return m_pTipbarWnd->m_pLangBarMgr->GetThreadLangBarItemMgr(m_dwThreadId,
+                                                                &m_pLangBarItemMgr,
+                                                                &dwThreadId);
+}
+
+/// @unimplemented
+HRESULT CTipbarThread::InitItemList()
+{
+    return E_NOTIMPL;
+}
+
+LONG MyWaitForInputIdle(DWORD dwThreadId, DWORD dwMilliseconds)
+{
+    if (g_pTipbarWnd && (g_pTipbarWnd->m_dwShowType & TF_SFT_DESKBAND))
+        return 0;
+
+    if (TF_IsInMarshaling(dwThreadId))
+        return STATUS_TIMEOUT;
+
+    DWORD dwFlags1 = 0, dwFlags2 = 0;
+    if (!TF_GetThreadFlags(dwThreadId, &dwFlags1, &dwFlags2, NULL) &&
dwFlags2)
+        return -1;
+
+    return TF_CheckThreadInputIdle(dwThreadId, dwMilliseconds);
+}
+
+HRESULT CTipbarThread::_UninitItemList(BOOL bUnAdvise)
+{
+    for (size_t iItem = 0; iItem < m_UIObjects.size(); ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem)
+            pItem->m_dwItemFlags |= 0x10;
+    }
+
+    HRESULT hr = S_OK;
+    if (bUnAdvise)
+    {
+        if (m_dwThreadId == ::GetCurrentThreadId() || !MyWaitForInputIdle(m_dwThreadId,
2000))
+            hr = _UnadviseItemsSink();
+    }
+
+    for (size_t iItem = 0; iItem < m_UIObjects.size(); ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem)
+        {
+            if (m_pTipbarWnd)
+                pItem->OnUnknown47(m_pTipbarWnd->GetWindow());
+
+            pItem->ClearConnections();
+
+            if (m_pTipbarWnd)
+                pItem->OnUnknown50();
+            else
+                pItem->OnUnknown51();
+
+            pItem->OnUnknown59();
+            pItem->OnUnknown42();
+        }
+    }
+
+    m_UIObjects.clear();
+
+    RemoveAllSeparators();
+
+    return hr;
+}
+
+void CTipbarThread::AddAllSeparators()
+{
+    for (size_t iItem = 0; iItem < m_Separators.size(); ++iItem)
+    {
+        CUIFObject *pItem = m_Separators[iItem];
+        if (pItem)
+            m_pTipbarWnd->AddUIObj(pItem);
+    }
+}
+
+void CTipbarThread::RemoveAllSeparators()
+{
+    for (size_t iItem = 0; iItem < m_Separators.size(); ++iItem)
+    {
+        CUIFObject *pItem = m_Separators[iItem];
+        if (pItem)
+        {
+            if (m_pTipbarWnd)
+                m_pTipbarWnd->RemoveUIObj(pItem);
+            delete pItem;
+        }
+    }
+    m_Separators.clear();
+}
+
+void CTipbarThread::AddUIObjs()
+{
+    _AddRef();
+
+    for (size_t iItem = 0; iItem < m_UIObjects.size(); ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem && (pItem->m_dwItemFlags & 0x8))
+        {
+            pItem->OnUnknown46(m_pTipbarWnd ? m_pTipbarWnd->GetWindow() : NULL);
+        }
+    }
+
+    AddAllSeparators();
+    MyMoveWnd(0, 0);
+
+    _Release();
+}
+
+void CTipbarThread::RemoveUIObjs()
+{
+    for (size_t iItem = 0; iItem < m_UIObjects.size(); ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem)
+        {
+            pItem->OnUnknown47(m_pTipbarWnd ? m_pTipbarWnd->GetWindow() : NULL);
+        }
+    }
+    RemoveAllSeparators();
+}
+
+void CTipbarThread::GetTextSize(BSTR bstr, LPSIZE pSize)
+{
+    HWND hWnd = *m_pTipbarWnd->GetWindow();
+
+    HGDIOBJ hFontOld = NULL;
+
+    HDC hDC = ::GetDC(hWnd);
+    if (FAILED(m_pTipbarWnd->EnsureThemeData(*m_pTipbarWnd->GetWindow())))
+    {
+        HFONT hFont = m_pTipbarWnd->m_hFont;
+        if (hFont)
+            hFontOld = ::SelectObject(hDC, hFont);
+        INT cch = ::SysStringLen(bstr);
+        ::GetTextExtentPoint32W(hDC, bstr, cch, pSize);
+        if (hFontOld)
+            ::SelectObject(hDC, hFontOld);
+    }
+    else
+    {
+        CUIFTheme theme;
+        theme.m_iPartId = 1;
+        theme.m_iStateId = 0;
+        theme.m_pszClassList = L"TOOLBAR";
+
+        HFONT hFont = NULL;
+
+        if (SUCCEEDED(theme.InternalOpenThemeData(hWnd)))
+        {
+            LOGFONTW lf;
+            if (SUCCEEDED(::GetThemeFont(theme.m_hTheme, NULL, theme.m_iPartId, 0, 210,
&lf)))
+            {
+                hFont = ::CreateFontIndirectW(&lf);
+                if (hFont)
+                    hFontOld = ::SelectObject(hDC, hFont);
+            }
+
+            RECT rc;
+            INT cch = ::SysStringLen(bstr);
+            ::GetThemeTextExtent(theme.m_hTheme, hDC, theme.m_iPartId, 0, bstr, cch, 0,
NULL, &rc);
+
+            pSize->cx = rc.right;
+            pSize->cy = rc.bottom;
+        }
+
+        if (hFontOld)
+            ::SelectObject(hDC, hFontOld);
+        if (hFont)
+            ::DeleteObject(hFont);
+    }
+
+    ::ReleaseDC(hWnd, hDC);
+}
+
+DWORD CTipbarThread::IsDirtyItem()
+{
+    DWORD dwDirty = 0;
+    for (size_t iItem = 0; iItem < m_UIObjects.size(); ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem)
+            dwDirty |= pItem->m_dwDirty;
+    }
+    return dwDirty;
+}
+
+BOOL CTipbarThread::IsFocusThread()
+{
+    if (!m_pTipbarWnd)
+        return FALSE;
+    return this == m_pTipbarWnd->m_pFocusThread;
+}
+
+BOOL CTipbarThread::IsVertical()
+{
+    if (!m_pTipbarWnd)
+        return FALSE;
+    return !!(m_pTipbarWnd->m_dwTipbarWndFlags & 0x20000000);
+}
+
+/// @unimplemented
+void CTipbarThread::LocateItems()
+{
+}
+
+LONG CTipbarThread::_Release()
+{
+    if (--m_cRefs == 0)
+    {
+        delete this;
+        return 0;
+    }
+    return m_cRefs;
+}
+
+HRESULT CTipbarThread::_UnadviseItemsSink()
+{
+    if (!m_pLangBarItemMgr)
+        return E_FAIL;
+
+    DWORD *pdwCoolkies = new(cicNoThrow) DWORD[m_UIObjects.size()];
+    if (!pdwCoolkies)
+        return E_OUTOFMEMORY;
+
+    const size_t cItems = m_UIObjects.size();
+    for (size_t iItem = 0; iItem < cItems; ++iItem)
+    {
+        CTipbarItem* pItem = m_UIObjects[iItem];
+        if (pItem)
+            pdwCoolkies[iItem] = pItem->m_dwCookie;
+    }
+
+    HRESULT hr = m_pLangBarItemMgr->UnadviseItemsSink((LONG)cItems, pdwCoolkies);
+
+    delete[] pdwCoolkies;
+
+    return hr;
+}
+
+void CTipbarThread::MyMoveWnd(LONG xDelta, LONG yDelta)
+{
+    if (!m_pTipbarWnd || (m_pTipbarWnd->m_pFocusThread != this))
+        return;
+
+    RECT Rect, rcWorkArea;
+    m_pTipbarWnd->GetRect(&Rect);
+    POINT pt = { Rect.left, Rect.top };
+    cicGetWorkAreaRect(pt, &rcWorkArea);
+
+    ::GetWindowRect(*m_pTipbarWnd->GetWindow(), &Rect);
+
+    LONG X0 = Rect.left + xDelta, Y0 = Rect.top + yDelta;
+    if (m_pTipbarWnd->m_dwTipbarWndFlags & 0x1000)
+    {
+        if (m_pTipbarWnd->CheckExcludeCaptionButtonMode(&Rect, &rcWorkArea))
+        {
+            X0 = rcWorkArea.right - (3 * m_pTipbarWnd->m_ButtonWidth +
+                                     m_pTipbarWnd->m_cxDlgFrameX2 + m_cxGrip);
+            Y0 = 0;
+        }
+        else
+        {
+            m_pTipbarWnd->m_dwTipbarWndFlags &= ~0x1000;
+        }
+    }
+
+    if (IsVertical())
+    {
+        LONG width = m_pTipbarWnd->m_cxDlgFrameX2 +
m_pTipbarWnd->GetTipbarHeight();
+        LONG height = m_cyGrip + m_pTipbarWnd->m_cyDlgFrameX2;
+        m_pTipbarWnd->SetMoveRect(X0, Y0, width, height);
+    }
+    else
+    {
+        LONG width = m_cxGrip + m_pTipbarWnd->m_cxDlgFrameX2;
+        LONG height = m_pTipbarWnd->m_cyDlgFrameX2 +
m_pTipbarWnd->GetTipbarHeight();
+        m_pTipbarWnd->SetMoveRect(X0, Y0, width, height);
+    }
+
+    SIZE frameSize = { 0, 0 };
+    if (m_pTipbarWnd->m_pWndFrame)
+        m_pTipbarWnd->m_pWndFrame->GetFrameSize(&frameSize);
+
+    m_pTipbarWnd->LocateCtrlButtons();
+    m_pTipbarWnd->AutoAdjustDeskBandSize();
+}
+
+/***********************************************************************
+ * CTipbarItem
+ */
+
+CTipbarItem::CTipbarItem(
+    CTipbarThread *pThread,
+    ITfLangBarItem *pLangBarItem,
+    TF_LANGBARITEMINFO *pItemInfo,
+    DWORD dwUnknown16)
+{
+    m_dwUnknown19[1] = 0;
+    m_dwUnknown19[2] = 0;
+    m_dwUnknown19[3] = 0;
+    m_pTipbarThread = pThread;
+    m_ItemInfo = *pItemInfo;
+    m_pLangBarItem = pLangBarItem;
+    m_pLangBarItem->AddRef();
+    m_dwItemFlags = 0;
+    m_dwUnknown16 = dwUnknown16;
+    m_dwDirty = 0x1001F;
+}
+
+CTipbarItem::~CTipbarItem()
+{
+    if (g_pTipbarWnd)
+    {
+        if (g_pTipbarWnd->m_pTipbarAccessible)
+            g_pTipbarWnd->m_pTipbarAccessible->RemoveAccItem(this);
+    }
+
+    if (m_pLangBarItem)
+        m_pLangBarItem->Release();
+}
+
+void CTipbarItem::_AddedToUI()
+{
+    if (!IsConnected())
+        return;
+
+    OnUnknown41();
+
+    m_dwItemFlags |= 0x2;
+
+    DWORD dwStatus;
+    if (m_dwDirty)
+    {
+        if (m_dwDirty & 0x10000)
+            m_pLangBarItem->GetStatus(&dwStatus);
+        else
+            dwStatus = 0;
+        OnUnknown45(m_dwDirty, dwStatus);
+        m_dwDirty = 0;
+    }
+
+    if (m_pTipbarThread)
+    {
+        CTipbarWnd *pTipbarWnd = m_pTipbarThread->m_pTipbarWnd;
+        if (pTipbarWnd)
+        {
+            CTipbarAccessible *pTipbarAccessible = pTipbarWnd->m_pTipbarAccessible;
+            if (pTipbarAccessible)
+                pTipbarAccessible->AddAccItem(this);
+        }
+    }
+
+    OnUnknown42();
+}
+
+void CTipbarItem::_RemovedToUI()
+{
+    m_dwItemFlags &= ~0x2;
+
+    if (g_pTipbarWnd)
+    {
+        CTipbarAccessible *pAccessible = g_pTipbarWnd->m_pTipbarAccessible;
+        if (pAccessible)
+            pAccessible->RemoveAccItem(this);
+    }
+}
+
+void CTipbarItem::AddRemoveMeToUI(BOOL bFlag)
+{
+    if (!IsConnected())
+        return;
+
+    m_pTipbarThread->LocateItems();
+
+    if (!IsConnected())
+        return;
+
+    m_pTipbarThread->AddAllSeparators();
+
+    CTipbarWnd *pTipbarWnd = m_pTipbarThread->m_pTipbarWnd;
+    if (bFlag)
+        OnUnknown46(pTipbarWnd ? pTipbarWnd->GetWindow() : NULL);
+    else
+        OnUnknown47(pTipbarWnd ? pTipbarWnd->GetWindow() : NULL);
+}
+
+BOOL CTipbarItem::IsConnected()
+{
+    return (!(m_dwItemFlags & 0x10) && m_pTipbarThread &&
m_pTipbarThread->m_pTipbarWnd &&
+            m_pLangBarItem);
+}
+
+void CTipbarItem::ClearConnections()
+{
+    m_pTipbarThread = NULL;
+    if (m_pLangBarItem)
+    {
+        m_pLangBarItem->Release();
+        m_pLangBarItem = NULL;
+    }
+}
+
+/// @unimplemented
+void CTipbarItem::StartDemotingTimer(BOOL bStarted)
+{
+    if (!g_bIntelliSense)
+        return;
+
+    if (!m_pTipbarThread)
+        return;
+
+    CTipbarWnd *pTipbarWnd = m_pTipbarThread->m_pTipbarWnd;
+    if (!pTipbarWnd)
+        return;
+
+    //FIXME
+}
+
+STDMETHODIMP_(BOOL) CTipbarItem::DoAccDefaultAction()
+{
+    if (!m_pTipbarThread)
+        return FALSE;
+    CTipbarWnd *pTipbarWnd = m_pTipbarThread->m_pTipbarWnd;
+    if (!pTipbarWnd)
+        return FALSE;
+    pTipbarWnd->StartDoAccDefaultActionTimer(this);
+    return TRUE;
+}
+
+/// @unimplemented
+STDMETHODIMP_(void) CTipbarItem::OnUpdateHandler(ULONG, ULONG)
+{
+}
+
+STDMETHODIMP_(void) CTipbarItem::GetAccLocation(LPRECT prc)
+{
+    OnUnknown57(prc);
+}
+
+STDMETHODIMP_(BSTR) CTipbarItem::GetAccName()
+{
+    return ::SysAllocString(m_ItemInfo.szDescription);
+}
+
+STDMETHODIMP_(LPCWSTR) CTipbarItem::GetToolTip()
+{
+    OnUnknown41();
+
+    if (!(m_dwItemFlags & 0x1))
+    {
+        m_dwItemFlags |= 0x1;
+
+        BSTR bstrString;
+        if (FAILED(m_pLangBarItem->GetTooltipString(&bstrString)))
+            return NULL;
+
+        if (bstrString)
+        {
+            OnUnknown53(bstrString);
+            ::SysFreeString(bstrString);
+        }
+    }
+
+    LPCWSTR pszToolTip = OnUnknown55();
+
+    OnUnknown42();
+
+    return pszToolTip;
+}
+
+HRESULT CTipbarItem::OnUpdate(DWORD dwDirty)
+{
+    if (!IsConnected())
+        return S_OK;
+
+    m_dwDirty |= dwDirty;
+    m_dwItemFlags |= 0x20;
+
+    if ((dwDirty & 0x10000) || (m_dwItemFlags & 0x6))
+    {
+        if (m_pTipbarThread)
+        {
+            CTipbarWnd *pTipBarWnd = m_pTipbarThread->m_pTipbarWnd;
+            if (pTipBarWnd && *pTipBarWnd)
+            {
+                pTipBarWnd->KillTimer(6);
+                pTipBarWnd->SetTimer(6, g_uTimerElapseONUPDATECALLED);
+            }
+        }
+    }
+
+    return S_OK;
+}
+
+void CTipbarItem::MyClientToScreen(LPPOINT ppt, LPRECT prc)
+{
+    if (!m_pTipbarThread)
+        return;
+    if (m_pTipbarThread->m_pTipbarWnd)
+        m_pTipbarThread->m_pTipbarWnd->MyClientToScreen(ppt, prc);
+}
+
 /***********************************************************************
  *              GetTipbarInternal
  */
diff --git a/sdk/include/psdk/msctf.idl b/sdk/include/psdk/msctf.idl
index 5ff4b4b090c..f7f3b12327d 100644
--- a/sdk/include/psdk/msctf.idl
+++ b/sdk/include/psdk/msctf.idl
@@ -68,6 +68,9 @@ cpp_quote("EXTERN_C BOOL WINAPI TF_GetMlngHKL(_In_ INT iKL, _Out_
HKL *phKL, _Ou
 cpp_quote("EXTERN_C INT WINAPI TF_GetMlngIconIndex(_In_ INT iKL);")
 cpp_quote("EXTERN_C HICON WINAPI TF_InatExtractIcon(_In_ INT iKL);")
 cpp_quote("EXTERN_C HRESULT WINAPI TF_RunInputCPL(VOID);")
+cpp_quote("EXTERN_C BOOL WINAPI TF_GetThreadFlags(_In_ DWORD dwThreadId, _Out_
LPDWORD pdwFlags1, _Out_ LPDWORD pdwFlags2, _Out_ LPDWORD pdwFlags3);")
+cpp_quote("EXTERN_C LONG WINAPI TF_CheckThreadInputIdle(_In_ DWORD dwThreadId, _In_
DWORD dwMilliseconds);")
+cpp_quote("EXTERN_C BOOL WINAPI TF_IsInMarshaling(_In_ DWORD dwThreadId);")
 
 cpp_quote("EXTERN_C const GUID GUID_PROP_TEXTOWNER;")
 cpp_quote("EXTERN_C const GUID GUID_PROP_ATTRIBUTE;")
diff --git a/sdk/include/reactos/cicero/cicuif.h b/sdk/include/reactos/cicero/cicuif.h
index 777c26cea2e..c240027aad5 100644
--- a/sdk/include/reactos/cicero/cicuif.h
+++ b/sdk/include/reactos/cicero/cicuif.h
@@ -65,6 +65,19 @@ void cicInitUIFSys(void);
 void cicDoneUIFSys(void);
 void cicUpdateUIFSys(void);
 
+inline void cicGetWorkAreaRect(POINT pt, LPRECT prc)
+{
+    ::SystemParametersInfo(SPI_GETWORKAREA, 0, prc, 0);
+
+    HMONITOR hMon = ::MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST);
+    if (hMon)
+    {
+        MONITORINFO mi = { sizeof(mi) };
+        if (::GetMonitorInfo(hMon, &mi))
+            *prc = mi.rcWork;
+    }
+}
+
 /////////////////////////////////////////////////////////////////////////////
 
 #include <uxtheme.h>