CInputContextOwner Class Reference

#include <inputcontext.h>

Inheritance diagram for CInputContextOwner:

Collaboration diagram for CInputContextOwner:

Public Member Functions
	CInputContextOwner (FN_IC_OWNER_CALLBACK fnCallback, LPVOID pCallbackPV)
	@unimplemented
virtual	~CInputContextOwner ()
	@implemented
HRESULT	_Advise (IUnknown *pContext)
	@implemented
HRESULT	_Unadvise ()
	@implemented
STDMETHODIMP	QueryInterface (REFIID riid, LPVOID *ppvObj) override
	@implemented
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
STDMETHODIMP	GetACPFromPoint (const POINT *ptScreen, DWORD dwFlags, LONG *pacp) override
	@unimplemented
STDMETHODIMP	GetTextExt (LONG acpStart, LONG acpEnd, RECT *prc, BOOL *pfClipped) override
	@unimplemented
STDMETHODIMP	GetScreenExt (RECT *prc) override
	@implemented
STDMETHODIMP	GetStatus (TF_STATUS *pdcs) override
	@implemented
STDMETHODIMP	GetWnd (HWND *phwnd) override
	@unimplemented
STDMETHODIMP	GetAttribute (REFGUID rguidAttribute, VARIANT *pvarValue) override
	@unimplemented
STDMETHODIMP	AdviseMouseSink (ITfRangeACP *range, ITfMouseSink *pSink, DWORD *pdwCookie) override
	@implemented
STDMETHODIMP	UnadviseMouseSink (DWORD dwCookie) override
	@implemented
HRESULT	GetACPFromPoint ([in] const POINT *ptScreen, [in] DWORD dwFlags, [out] LONG *pacp)
HRESULT	GetTextExt ([in] LONG acpStart, [in] LONG acpEnd, [out] RECT *prc, [out] BOOL *pfClipped)
HRESULT	GetScreenExt ([out] RECT *prc)
HRESULT	GetStatus ([out] TF_STATUS *pdcs)
HRESULT	GetWnd ([out] HWND *phwnd)
HRESULT	GetAttribute ([in] REFGUID rguidAttribute, [out] VARIANT *pvarValue)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()
HRESULT	AdviseMouseSink ([in] ITfRangeACP *range, [in] ITfMouseSink *pSink, [out] DWORD *pdwCookie)
HRESULT	UnadviseMouseSink ([in] DWORD dwCookie)

Protected Attributes
LONG	m_cRefs
IUnknown *	m_pContext
DWORD	m_dwCookie
FN_IC_OWNER_CALLBACK	m_fnCallback
LPVOID	m_pCallbackPV

Additional Inherited Members
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 23 of file inputcontext.h.

Constructor & Destructor Documentation

CInputContextOwner()

CInputContextOwner::CInputContextOwner	(	FN_IC_OWNER_CALLBACK	fnCallback,
		LPVOID	pCallbackPV
	)

@unimplemented

Definition at line 17 of file inputcontext.cpp.

{
    m_dwCookie = -1;
    m_fnCallback = fnCallback;
    m_cRefs = 1;
    m_pCallbackPV = pCallbackPV;
}

~CInputContextOwner()

CInputContextOwner::~CInputContextOwner ( )

virtual

@implemented

Definition at line 26 of file inputcontext.cpp.

{
}

Member Function Documentation

_Advise()

HRESULT CInputContextOwner::_Advise

(

IUnknown *

pContext

)

@implemented

Definition at line 31 of file inputcontext.cpp.

{
    ITfSource *pSource = NULL;
 
    m_pContext = NULL;
 
    HRESULT hr = E_FAIL;
    if (SUCCEEDED(m_pContext->QueryInterface(IID_ITfSource, (LPVOID*)&pSource)) &&
        SUCCEEDED(pSource->AdviseSink(IID_ITfContextOwner,
                                      static_cast<ITfContextOwner*>(this), &m_dwCookie)))
    {
        m_pContext = pContext;
        m_pContext->AddRef();
        hr = S_OK;
    }
 
    if (pSource)
        pSource->Release();
 
    return hr;
}

_Unadvise()

HRESULT CInputContextOwner::_Unadvise

(

)

@implemented

Definition at line 54 of file inputcontext.cpp.

{
    ITfSource *pSource = NULL;
 
    HRESULT hr = E_FAIL;
    if (m_pContext)
    {
        if (SUCCEEDED(m_pContext->QueryInterface(IID_ITfSource, (LPVOID*)&pSource)) &&
            SUCCEEDED(pSource->UnadviseSink(m_dwCookie)))
        {
            hr = S_OK;
        }
    }
 
    if (m_pContext)
    {
        m_pContext->Release();
        m_pContext = NULL;
    }
 
    if (pSource)
        pSource->Release();
 
    return hr;
}

Referenced by CicInputContext::DestroyInputContext().

AdviseMouseSink()

STDMETHODIMP CInputContextOwner::AdviseMouseSink ( ITfRangeACP *  range, ITfMouseSink *  pSink, DWORD *  pdwCookie  )

override

@implemented

Implements ITfMouseTrackerACP.

Definition at line 162 of file inputcontext.cpp.

{
    MOUSE_SINK_ARGS args = { range, pSink, pdwCookie };
    return m_fnCallback(9, &args, m_pCallbackPV);
}

GetACPFromPoint()

STDMETHODIMP CInputContextOwner::GetACPFromPoint ( const POINT *  ptScreen, DWORD  dwFlags, LONG *  pacp  )

override

@unimplemented

Implements ITfContextOwner.

Definition at line 111 of file inputcontext.cpp.

{
    return E_NOTIMPL;
}

GetAttribute()

STDMETHODIMP CInputContextOwner::GetAttribute ( REFGUID  rguidAttribute, VARIANT *  pvarValue  )

override

@unimplemented

Implements ITfContextOwner.

Definition at line 149 of file inputcontext.cpp.

{
    return E_NOTIMPL;
}

GetScreenExt()

STDMETHODIMP CInputContextOwner::GetScreenExt ( RECT *  prc )

override

@implemented

Implements ITfContextOwner.

Definition at line 131 of file inputcontext.cpp.

{
    return m_fnCallback(2, &prc, m_pCallbackPV);
}

GetStatus()

STDMETHODIMP CInputContextOwner::GetStatus ( TF_STATUS *  pdcs )

override

@implemented

Implements ITfContextOwner.

Definition at line 137 of file inputcontext.cpp.

{
    return m_fnCallback(6, &pdcs, m_pCallbackPV);
}

GetTextExt()

STDMETHODIMP CInputContextOwner::GetTextExt ( LONG  acpStart, LONG  acpEnd, RECT *  prc, BOOL *  pfClipped  )

override

@unimplemented

Implements ITfContextOwner.

Definition at line 121 of file inputcontext.cpp.

{
    return E_NOTIMPL;
}

GetWnd()

STDMETHODIMP CInputContextOwner::GetWnd ( HWND *  phwnd )

override

@unimplemented

Implements ITfContextOwner.

Definition at line 143 of file inputcontext.cpp.

{
    return m_fnCallback(7, &phwnd, m_pCallbackPV);
}

QueryInterface()

STDMETHODIMP CInputContextOwner::QueryInterface ( REFIID  riid, LPVOID *  ppvObj  )

override

@implemented

Definition at line 81 of file inputcontext.cpp.

{
    static const QITAB c_tab[] =
    {
        QITABENT(CInputContextOwner, ITfContextOwner),
        QITABENT(CInputContextOwner, ITfMouseTrackerACP),
        { NULL }
    };
    return ::QISearch(this, c_tab, riid, ppvObj);
}

STDMETHODIMP_() [1/2]

CInputContextOwner::STDMETHODIMP_ ( ULONG  )

override

STDMETHODIMP_() [2/2]

CInputContextOwner::STDMETHODIMP_ ( ULONG  )

override

UnadviseMouseSink()

STDMETHODIMP CInputContextOwner::UnadviseMouseSink ( DWORD  dwCookie )

override

@implemented

Implements ITfMouseTrackerACP.

Definition at line 172 of file inputcontext.cpp.

{
    return m_fnCallback(10, &dwCookie, m_pCallbackPV);
}

Member Data Documentation

m_cRefs

LONG CInputContextOwner::m_cRefs

protected

Definition at line 28 of file inputcontext.h.

Referenced by CInputContextOwner(), and STDMETHODIMP_().

m_dwCookie

DWORD CInputContextOwner::m_dwCookie

protected

Definition at line 30 of file inputcontext.h.

Referenced by _Advise(), _Unadvise(), and CInputContextOwner().

m_fnCallback

FN_IC_OWNER_CALLBACK CInputContextOwner::m_fnCallback

protected

Definition at line 31 of file inputcontext.h.

Referenced by AdviseMouseSink(), CInputContextOwner(), GetScreenExt(), GetStatus(), GetWnd(), and UnadviseMouseSink().

m_pCallbackPV

LPVOID CInputContextOwner::m_pCallbackPV

protected

Definition at line 32 of file inputcontext.h.

Referenced by AdviseMouseSink(), CInputContextOwner(), GetScreenExt(), GetStatus(), GetWnd(), and UnadviseMouseSink().

m_pContext

IUnknown* CInputContextOwner::m_pContext

protected

Definition at line 29 of file inputcontext.h.

Referenced by _Advise(), and _Unadvise().

---

The documentation for this class was generated from the following files:

• dll/ime/msctfime/inputcontext.h
• dll/ime/msctfime/inputcontext.cpp