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[SHELL32][SHELL32_APITEST] Add SHGetAttributesFromDataObject

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Mark Jansen 2021-07-23 20:34:02 +02:00
parent 1f44552d36
commit e5ea6041c9
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8 changed files with 503 additions and 14 deletions
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65
sdk/include/reactos/shellutils.h
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@ -559,6 +559,71 @@ static inline PCUIDLIST_RELATIVE HIDA_GetPIDLItem(CIDA const* pida, SIZE_T i)
#ifdef __cplusplus
DECLSPEC_SELECTANY CLIPFORMAT g_cfHIDA = NULL;
// Allow to use the HIDA from an IDataObject without copying it
struct CDataObjectHIDA
{
private:
STGMEDIUM m_medium;
CIDA* m_cida;
HRESULT m_hr;
public:
explicit CDataObjectHIDA(IDataObject* pDataObject)
: m_cida(nullptr)
{
m_medium.tymed = TYMED_NULL;
if (g_cfHIDA == NULL)
{
g_cfHIDA = (CLIPFORMAT)RegisterClipboardFormatW(CFSTR_SHELLIDLISTW);
}
FORMATETC fmt = { g_cfHIDA, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
m_hr = pDataObject->GetData(&fmt, &m_medium);
if (FAILED(m_hr))
{
m_medium.tymed = TYMED_NULL;
return;
}
m_cida = (CIDA*)::GlobalLock(m_medium.hGlobal);
if (m_cida == nullptr)
{
m_hr = E_UNEXPECTED;
}
}
~CDataObjectHIDA()
{
if (m_cida)
::GlobalUnlock(m_cida);
ReleaseStgMedium(&m_medium);
}
HRESULT hr() const
{
return m_hr;
}
operator bool() const
{
return m_cida != nullptr;
}
operator const CIDA* () const
{
return m_cida;
}
const CIDA* operator->() const
{
return m_cida;
}
};
inline
HRESULT DataObject_GetData(IDataObject* pDataObject, CLIPFORMAT clipformat, PVOID pBuffer, SIZE_T dwBufferSize)
{