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[FONTEXT] Cache attributes, handle sorting

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Mark Jansen 2021-07-15 22:45:19 +02:00
parent cb9b538725
commit 91e63ee0b5
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11 changed files with 271 additions and 100 deletions
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65
sdk/include/reactos/shellutils.h
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@ -546,4 +546,69 @@ static inline PCUIDLIST_RELATIVE HIDA_GetPIDLItem(CIDA const* pida, SIZE_T i)
}
#ifdef __cplusplus
inline
HRESULT DataObject_GetData(IDataObject* pDataObject, CLIPFORMAT clipformat, PVOID pBuffer, SIZE_T dwBufferSize)
{
FORMATETC fmt = { clipformat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
STGMEDIUM medium = { TYMED_NULL };
HRESULT hr = pDataObject->GetData(&fmt, &medium);
if (SUCCEEDED(hr))
{
LPVOID blob = GlobalLock(medium.hGlobal);
if (blob)
{
SIZE_T size = GlobalSize(medium.hGlobal);
if (size <= dwBufferSize)
{
CopyMemory(pBuffer, blob, size);
hr = S_OK;
}
else
{
hr = E_OUTOFMEMORY;
}
GlobalUnlock(medium.hGlobal);
}
else
{
hr = STG_E_INVALIDHANDLE;
}
ReleaseStgMedium(&medium);
}
return hr;
}
inline
HRESULT DataObject_SetData(IDataObject* pDataObject, CLIPFORMAT clipformat, PVOID pBuffer, SIZE_T dwBufferSize)
{
STGMEDIUM medium = { TYMED_HGLOBAL };
medium.hGlobal = GlobalAlloc(GHND, dwBufferSize);
if (!medium.hGlobal)
return E_OUTOFMEMORY;
HRESULT hr = E_UNEXPECTED;
LPVOID blob = GlobalLock(medium.hGlobal);
if (blob)
{
CopyMemory(blob, pBuffer, dwBufferSize);
GlobalUnlock(medium.hGlobal);
FORMATETC etc = { clipformat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
hr = pDataObject->SetData(&etc, &medium, TRUE);
}
if (FAILED(hr))
GlobalFree(medium.hGlobal);
return hr;
}
#endif
#endif /* __ROS_SHELL_UTILS_H */