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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWINDOWSOLE_H
#define QWINDOWSOLE_H
#include <QtCore/qt_windows.h>
#include <QtCore/qlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qpointer.h>
#include <QtCore/private/qcomobject_p.h>
#include <objidl.h>
QT_BEGIN_NAMESPACE
class QMimeData;
class QWindow;
class QWindowsOleDataObject : public QComObject<IDataObject>
{
public:
explicit QWindowsOleDataObject(QMimeData *mimeData);
~QWindowsOleDataObject() override;
void releaseQt();
QMimeData *mimeData() const;
DWORD reportedPerformedEffect() const;
// IDataObject methods
STDMETHOD(GetData)(LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium) override;
STDMETHOD(GetDataHere)(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium) override;
STDMETHOD(QueryGetData)(LPFORMATETC pformatetc) override;
STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC pformatetc, LPFORMATETC pformatetcOut) override;
STDMETHOD(SetData)(LPFORMATETC pformatetc, STGMEDIUM FAR *pmedium, BOOL fRelease) override;
STDMETHOD(EnumFormatEtc)(DWORD dwDirection, LPENUMFORMATETC FAR *ppenumFormatEtc) override;
STDMETHOD(DAdvise)
(FORMATETC FAR *pFormatetc, DWORD advf, LPADVISESINK pAdvSink,
DWORD FAR *pdwConnection) override;
STDMETHOD(DUnadvise)(DWORD dwConnection) override;
STDMETHOD(EnumDAdvise)(LPENUMSTATDATA FAR *ppenumAdvise) override;
private:
QPointer<QMimeData> data;
const int CF_PERFORMEDDROPEFFECT;
DWORD performedEffect = DROPEFFECT_NONE;
};
class QWindowsOleEnumFmtEtc : public QComObject<IEnumFORMATETC>
{
public:
explicit QWindowsOleEnumFmtEtc(const QList<FORMATETC> &fmtetcs);
explicit QWindowsOleEnumFmtEtc(const QList<LPFORMATETC> &lpfmtetcs);
~QWindowsOleEnumFmtEtc() override;
bool isNull() const;
// IEnumFORMATETC methods
STDMETHOD(Next)(ULONG celt, LPFORMATETC rgelt, ULONG FAR *pceltFetched) override;
STDMETHOD(Skip)(ULONG celt) override;
STDMETHOD(Reset)(void) override;
STDMETHOD(Clone)(LPENUMFORMATETC FAR *newEnum) override;
private:
bool copyFormatEtc(LPFORMATETC dest, const FORMATETC *src) const;
ULONG m_nIndex = 0;
QList<LPFORMATETC> m_lpfmtetcs;
bool m_isNull = false;
};
QT_END_NAMESPACE
#endif // QWINDOWSOLE_H
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