Commit 1e8727aa authored by Huw Davies's avatar Huw Davies Committed by Alexandre Julliard

ole32: Add support for rendering stream data to the clipboard.

parent 5e557d83
......@@ -547,16 +547,96 @@ static inline ole_priv_data_entry *find_format_in_list(ole_priv_data_entry *entr
return NULL;
}
/***************************************************************************
* get_data_from_stream
*
* Returns stream data in an HGLOBAL.
*/
static HRESULT get_data_from_stream(IDataObject *data, FORMATETC *fmt, HGLOBAL *mem)
{
HGLOBAL h;
IStream *stm = NULL;
HRESULT hr;
FORMATETC stm_fmt;
STGMEDIUM med;
*mem = NULL;
h = GlobalAlloc( GMEM_DDESHARE|GMEM_MOVEABLE, 0 );
if(!h) return E_OUTOFMEMORY;
hr = CreateStreamOnHGlobal(h, FALSE, &stm);
if(FAILED(hr)) goto error;
stm_fmt = *fmt;
med.tymed = stm_fmt.tymed = TYMED_ISTREAM;
med.u.pstm = stm;
med.pUnkForRelease = NULL;
hr = IDataObject_GetDataHere(data, &stm_fmt, &med);
if(FAILED(hr))
{
LARGE_INTEGER offs;
ULARGE_INTEGER pos;
med.u.pstm = NULL;
hr = IDataObject_GetData(data, &stm_fmt, &med);
if(FAILED(hr)) goto error;
offs.QuadPart = 0;
IStream_Seek(med.u.pstm, offs, STREAM_SEEK_CUR, &pos);
IStream_Seek(med.u.pstm, offs, STREAM_SEEK_SET, NULL);
hr = IStream_CopyTo(med.u.pstm, stm, pos, NULL, NULL);
ReleaseStgMedium(&med);
if(FAILED(hr)) goto error;
}
*mem = h;
IStream_Release(stm);
return S_OK;
error:
if(stm) IStream_Release(stm);
GlobalFree(h);
return hr;
}
/***************************************************************************
* get_data_from_global
*
* Returns global data in an HGLOBAL.
*/
static HRESULT get_data_from_global(IDataObject *data, FORMATETC *fmt, HGLOBAL *mem)
{
HGLOBAL h;
HRESULT hr;
FORMATETC mem_fmt;
STGMEDIUM med;
*mem = NULL;
mem_fmt = *fmt;
mem_fmt.tymed = TYMED_HGLOBAL;
hr = IDataObject_GetData(data, &mem_fmt, &med);
if(FAILED(hr)) return hr;
hr = dup_global_mem(med.u.hGlobal, &h);
if(SUCCEEDED(hr)) *mem = h;
ReleaseStgMedium(&med);
return hr;
}
/***********************************************************************
* render_format
*
* Render the clipboard data. Note that this call will delegate to the
* source data object.
* Note: This function assumes it is passed an HGLOBAL format to render.
*/
static HRESULT render_format(IDataObject *data, LPFORMATETC fmt)
{
STGMEDIUM std;
HGLOBAL clip_data = NULL;
HRESULT hr;
......@@ -566,35 +646,33 @@ static HRESULT render_format(IDataObject *data, LPFORMATETC fmt)
return render_embed_source_hack(data, fmt);
}
if (FAILED(hr = IDataObject_GetData(data, fmt, &std)))
if(fmt->tymed & TYMED_ISTREAM)
{
WARN("() : IDataObject_GetData failed to render clipboard data! (%x)\n", hr);
return hr;
hr = get_data_from_stream(data, fmt, &clip_data);
}
if(std.tymed != TYMED_HGLOBAL)
else if(fmt->tymed & TYMED_HGLOBAL)
{
FIXME("got tymed %x\n", std.tymed);
hr = get_data_from_global(data, fmt, &clip_data);
}
else
{
FIXME("Unhandled tymed %x\n", fmt->tymed);
hr = DV_E_FORMATETC;
goto end;
}
hr = dup_global_mem(std.u.hGlobal, &clip_data);
if(FAILED(hr)) goto end;
if ( !SetClipboardData( fmt->cfFormat, clip_data ) )
if(SUCCEEDED(hr))
{
WARN("() : Failed to set rendered clipboard data into clipboard!\n");
GlobalFree(clip_data);
hr = CLIPBRD_E_CANT_SET;
if ( !SetClipboardData(fmt->cfFormat, clip_data) )
{
WARN("() : Failed to set rendered clipboard data into clipboard!\n");
GlobalFree(clip_data);
hr = CLIPBRD_E_CANT_SET;
}
}
end:
ReleaseStgMedium(&std);
return hr;
}
/***********************************************************************
* clipbrd_wndproc
*/
......
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