QWindowsEnumerate Class Reference

Inheritance diagram for QWindowsEnumerate:

Public Functions
ULONG STDMETHODCALLTYPE	AddRef ()
HRESULT STDMETHODCALLTYPE	Clone (IEnumVARIANT **ppEnum)
HRESULT STDMETHODCALLTYPE	Next (unsigned long celt, VARIANT FAR *rgVar, unsigned long FAR *pCeltFetched)
HRESULT STDMETHODCALLTYPE	QueryInterface (REFIID, LPVOID *)
	QWindowsEnumerate (const QVector< int > &a)
ULONG STDMETHODCALLTYPE	Release ()
HRESULT STDMETHODCALLTYPE	Reset ()
HRESULT STDMETHODCALLTYPE	Skip (unsigned long celt)
virtual	~QWindowsEnumerate ()

Properties
QVector< int >	array
ULONG	current
ULONG	ref

Detailed Description

Definition at line 509 of file qaccessible_win.cpp.

Constructors and Destructors

QWindowsEnumerate()

QWindowsEnumerate::QWindowsEnumerate ( const QVector< int > &  a )

inline

Definition at line 512 of file qaccessible_win.cpp.

        : ref(0), current(0),array(a)
    {
    }

~QWindowsEnumerate()

virtual QWindowsEnumerate::~QWindowsEnumerate ( )

inlinevirtual

Definition at line 517 of file qaccessible_win.cpp.

{}

Functions

AddRef()

ULONG STDMETHODCALLTYPE QWindowsEnumerate::AddRef

(

)

Definition at line 550 of file qaccessible_win.cpp.

Referenced by Clone().

{
    return ++ref;
}

Clone()

HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Clone

(

IEnumVARIANT **

ppEnum

)

Definition at line 564 of file qaccessible_win.cpp.

{
    QWindowsEnumerate *penum = 0;
    *ppEnum = 0;

    penum = new QWindowsEnumerate(array);
    if (!penum)
        return E_OUTOFMEMORY;
    penum->current = current;
    penum->array = array;
    penum->AddRef();
    *ppEnum = penum;

    return S_OK;
}

Next()

HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Next	(	unsigned long	celt,
		VARIANT FAR *	rgVar,
		unsigned long FAR *	pCeltFetched
	)

Definition at line 580 of file qaccessible_win.cpp.

{
    if (pCeltFetched)
        *pCeltFetched = 0;

    ULONG l;
    for (l = 0; l < celt; l++) {
        VariantInit(&rgVar[l]);
        if ((current+1) > (ULONG)array.size()) {
            *pCeltFetched = l;
            return S_FALSE;
        }

        rgVar[l].vt = VT_I4;
        rgVar[l].lVal = array[(int)current];
        ++current;
    }
    *pCeltFetched = l;
    return S_OK;
}

QueryInterface()

HRESULT STDMETHODCALLTYPE QWindowsEnumerate::QueryInterface	(	REFIID	id,
		LPVOID *	iface
	)

Definition at line 534 of file qaccessible_win.cpp.

{
    *iface = 0;
    if (id == IID_IUnknown)
        *iface = (IUnknown*)this;
    else if (id == IID_IEnumVARIANT)
        *iface = (IEnumVARIANT*)this;

    if (*iface) {
        AddRef();
        return S_OK;
    }

    return E_NOINTERFACE;
}

Release()

ULONG STDMETHODCALLTYPE QWindowsEnumerate::Release

(

)

Definition at line 555 of file qaccessible_win.cpp.

{
    if (!--ref) {
        delete this;
        return 0;
    }
    return ref;
}

Reset()

HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Reset

(

)

Definition at line 601 of file qaccessible_win.cpp.

{
    current = 0;
    return S_OK;
}

Skip()

HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Skip

(

unsigned long

celt

)

Definition at line 607 of file qaccessible_win.cpp.

{
    current += celt;
    if (current > (ULONG)array.size()) {
        current = array.size();
        return S_FALSE;
    }
    return S_OK;
}

Properties

array

QVector<int> QWindowsEnumerate::array

private

Definition at line 531 of file qaccessible_win.cpp.

Referenced by Clone().

current

ULONG QWindowsEnumerate::current

private

Definition at line 530 of file qaccessible_win.cpp.

Referenced by Clone().

ref

ULONG QWindowsEnumerate::ref

private

Definition at line 529 of file qaccessible_win.cpp.

---

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

• /src/gui/accessible/qaccessible_win.cpp