QOleDataObject Class Reference

#include <qdnd_p.h>

Inheritance diagram for QOleDataObject:

Public Functions
STDMETHOD()	DAdvise (FORMATETC FAR *pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD FAR *pdwConnection)
STDMETHOD()	DUnadvise (DWORD dwConnection)
STDMETHOD()	EnumDAdvise (LPENUMSTATDATA FAR *ppenumAdvise)
STDMETHOD()	EnumFormatEtc (DWORD dwDirection, LPENUMFORMATETC FAR *ppenumFormatEtc)
STDMETHOD()	GetCanonicalFormatEtc (LPFORMATETC pformatetc, LPFORMATETC pformatetcOut)
STDMETHOD()	GetData (LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium)
STDMETHOD()	GetDataHere (LPFORMATETC pformatetc, LPSTGMEDIUM pmedium)
const QMimeData *	mimeData () const
	QOleDataObject (QMimeData *mimeData)
STDMETHOD()	QueryGetData (LPFORMATETC pformatetc)
STDMETHOD()	QueryInterface (REFIID riid, void FAR *FAR *ppvObj)
void	releaseQt ()
DWORD	reportedPerformedEffect () const
STDMETHOD()	SetData (LPFORMATETC pformatetc, STGMEDIUM FAR *pmedium, BOOL fRelease)
	STDMETHOD_ (ULONG, AddRef)(void)
	STDMETHOD_ (ULONG, Release)(void)
virtual	~QOleDataObject ()

Properties
int	CF_PERFORMEDDROPEFFECT
QPointer< QMimeData >	data
ULONG	m_refs
DWORD	performedEffect

Detailed Description

Definition at line 104 of file qdnd_p.h.

Constructors and Destructors

QOleDataObject()

QOleDataObject::QOleDataObject ( QMimeData *  mimeData )

explicit

Definition at line 77 of file qdnd_win.cpp.

{
    m_refs = 1;
    data = mimeData;
    CF_PERFORMEDDROPEFFECT = RegisterClipboardFormat(CFSTR_PERFORMEDDROPEFFECT);
    performedEffect = DROPEFFECT_NONE;
}

~QOleDataObject()

QOleDataObject::~QOleDataObject ( )

virtual

Definition at line 85 of file qdnd_win.cpp.

{
}

Functions

DAdvise()

STDMETHODIMP QOleDataObject::DAdvise	(	FORMATETC FAR *	pFormatetc,
		DWORD	advf,
		LPADVISESINK	pAdvSink,
		DWORD FAR *	pdwConnection
	)

Definition at line 254 of file qdnd_win.cpp.

{
    return ResultFromScode(OLE_E_ADVISENOTSUPPORTED);
}

DUnadvise()

STDMETHODIMP QOleDataObject::DUnadvise

(

DWORD

dwConnection

)

Definition at line 262 of file qdnd_win.cpp.

{
    return ResultFromScode(OLE_E_ADVISENOTSUPPORTED);
}

EnumDAdvise()

STDMETHODIMP QOleDataObject::EnumDAdvise

(

LPENUMSTATDATA FAR *

ppenumAdvise

)

Definition at line 268 of file qdnd_win.cpp.

{
    return ResultFromScode(OLE_E_ADVISENOTSUPPORTED);
}

EnumFormatEtc()

STDMETHODIMP QOleDataObject::EnumFormatEtc	(	DWORD	dwDirection,
		LPENUMFORMATETC FAR *	ppenumFormatEtc
	)

Definition at line 218 of file qdnd_win.cpp.

{
#ifdef QDND_DEBUG
    qDebug("QOleDataObject::EnumFormatEtc(DWORD dwDirection, LPENUMFORMATETC FAR* ppenumFormatEtc)");
#endif

    if (!data)
        return ResultFromScode(DATA_E_FORMATETC);

    SCODE sc = S_OK;

    QVector<FORMATETC> fmtetcs;
    if (dwDirection == DATADIR_GET) {
        fmtetcs = QWindowsMime::allFormatsForMime(data);
    } else {
        FORMATETC formatetc;
        formatetc.cfFormat = CF_PERFORMEDDROPEFFECT;
        formatetc.dwAspect = DVASPECT_CONTENT;
        formatetc.lindex = -1;
        formatetc.ptd = NULL;
        formatetc.tymed = TYMED_HGLOBAL;
        fmtetcs.append(formatetc);
    }

    QOleEnumFmtEtc *enumFmtEtc = new QOleEnumFmtEtc(fmtetcs);
    *ppenumFormatEtc = enumFmtEtc;
    if (enumFmtEtc->isNull()) {
        delete enumFmtEtc;
        *ppenumFormatEtc = NULL;
        sc = E_OUTOFMEMORY;
    }

    return ResultFromScode(sc);
}

GetCanonicalFormatEtc()

STDMETHODIMP QOleDataObject::GetCanonicalFormatEtc	(	LPFORMATETC	pformatetc,
		LPFORMATETC	pformatetcOut
	)

Definition at line 196 of file qdnd_win.cpp.

{
    pformatetcOut->ptd = NULL;
    return ResultFromScode(E_NOTIMPL);
}

GetData()

STDMETHODIMP QOleDataObject::GetData	(	LPFORMATETC	pformatetcIn,
		LPSTGMEDIUM	pmedium
	)

Definition at line 152 of file qdnd_win.cpp.

{
#ifdef QDND_DEBUG
    qDebug("QOleDataObject::GetData(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium)");
#ifndef Q_OS_WINCE
    wchar_t buf[256] = {0};
    GetClipboardFormatName(pformatetc->cfFormat, buf, 255);
    qDebug("CF = %d : %s", pformatetc->cfFormat, QString::fromWCharArray(buf));
#endif
#endif

    if (!data)
        return ResultFromScode(DATA_E_FORMATETC);

    QWindowsMime *converter = QWindowsMime::converterFromMime(*pformatetc, data);

    if (converter && converter->convertFromMime(*pformatetc, data, pmedium))
        return ResultFromScode(S_OK);
    else
        return ResultFromScode(DATA_E_FORMATETC);
}

GetDataHere()

STDMETHODIMP QOleDataObject::GetDataHere	(	LPFORMATETC	pformatetc,
		LPSTGMEDIUM	pmedium
	)

Definition at line 175 of file qdnd_win.cpp.

{
    return ResultFromScode(DATA_E_FORMATETC);
}

mimeData()

const QMimeData * QOleDataObject::mimeData

(

)

const

Definition at line 94 of file qdnd_win.cpp.

Referenced by isProcessBeingDebugged(), QOleDataObject(), QtCeSetClipboard(), and QClipboard::~QClipboard().

{
    return data;
}

QueryGetData()

STDMETHODIMP QOleDataObject::QueryGetData

(

LPFORMATETC

pformatetc

)

Definition at line 181 of file qdnd_win.cpp.

{
#ifdef QDND_DEBUG
    qDebug("QOleDataObject::QueryGetData(LPFORMATETC pformatetc)");
#endif

    if (!data)
        return ResultFromScode(DATA_E_FORMATETC);

    if (QWindowsMime::converterFromMime(*pformatetc, data))
        return ResultFromScode(S_OK);
    return ResultFromScode(S_FALSE);
}

QueryInterface()

STDMETHODIMP QOleDataObject::QueryInterface	(	REFIID	riid,
		void FAR *FAR *	ppvObj
	)

Definition at line 109 of file qdnd_win.cpp.

{
    if (iid == IID_IUnknown || iid == IID_IDataObject) {
        *ppv = this;
        AddRef();
        return NOERROR;
    }
    *ppv = NULL;
    return ResultFromScode(E_NOINTERFACE);
}

releaseQt()

void QOleDataObject::releaseQt

(

)

Definition at line 89 of file qdnd_win.cpp.

Referenced by QOleDropTarget::Drop(), and QueryInterface().

{
    data = 0;
}

reportedPerformedEffect()

DWORD QOleDataObject::reportedPerformedEffect

(

)

const

Definition at line 99 of file qdnd_win.cpp.

Referenced by QOleDropTarget::Drop().

{
    return performedEffect;
}

SetData()

STDMETHODIMP QOleDataObject::SetData	(	LPFORMATETC	pformatetc,
		STGMEDIUM FAR *	pmedium,
		BOOL	fRelease
	)

Definition at line 203 of file qdnd_win.cpp.

{
    if (pFormatetc->cfFormat == CF_PERFORMEDDROPEFFECT && pMedium->tymed == TYMED_HGLOBAL) {
        DWORD * val = (DWORD*)GlobalLock(pMedium->hGlobal);
        performedEffect = *val;
        GlobalUnlock(pMedium->hGlobal);
        if (fRelease)
            ReleaseStgMedium(pMedium);
        return ResultFromScode(S_OK);
    }
    return ResultFromScode(E_NOTIMPL);
}

STDMETHOD_() [1/2]

QOleDataObject::STDMETHOD_	(	ULONG	,
		AddRef
	)

STDMETHOD_() [2/2]

QOleDataObject::STDMETHOD_	(	ULONG	,
		Release
	)

Properties

CF_PERFORMEDDROPEFFECT

int QOleDataObject::CF_PERFORMEDDROPEFFECT

private

Definition at line 135 of file qdnd_p.h.

Referenced by EnumFormatEtc(), QOleDataObject(), and SetData().

data

QPointer<QMimeData> QOleDataObject::data

private

Definition at line 134 of file qdnd_p.h.

Referenced by EnumFormatEtc(), GetData(), QOleDropSource::GiveFeedback(), mimeData(), QOleDataObject(), QueryGetData(), and releaseQt().

m_refs

ULONG QOleDataObject::m_refs

private

Definition at line 133 of file qdnd_p.h.

Referenced by QOleDataObject(), QOleDropSource::QOleDropSource(), QueryInterface(), and QOleDropSource::QueryInterface().

performedEffect

DWORD QOleDataObject::performedEffect

private

Definition at line 136 of file qdnd_p.h.

Referenced by QOleDataObject(), reportedPerformedEffect(), and SetData().

---

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

• /src/gui/kernel/qdnd_p.h
• /src/gui/kernel/qdnd_win.cpp