static HRESULT STDMETHODCALLTYPE
CDevSettings_GetCanonicalFormatEtc(IDataObject* iface,
FORMATETC* pformatectIn,
FORMATETC* pformatetcOut)
{
HRESULT hr;
DPRINT1("CDevSettings::GetCanonicalFormatEtc\n");
hr = IDataObject_QueryGetData(iface,
pformatectIn);
if (SUCCEEDED(hr))
{
CopyMemory(pformatetcOut,
pformatectIn,
sizeof(FORMATETC));
/* Make sure the data is target device independent */
if (pformatectIn->ptd == NULL)
hr = DATA_S_SAMEFORMATETC;
else
{
pformatetcOut->ptd = NULL;
hr = S_OK;
}
}
else
{
ZeroMemory(pformatetcOut,
sizeof(FORMATETC));
}
return hr;
}
static DWORD init_linklist(HWND hdlg, OLEUIPASTESPECIALW *ps)
{
HRESULT hr;
DWORD supported_mask = 0;
DWORD items_added = 0;
int link, req_fmt;
FORMATETC fmt = {0, NULL, DVASPECT_CONTENT, -1, -1};
for(link = 0; link < ps->cLinkTypes && link < PS_MAXLINKTYPES; link++)
{
fmt.cfFormat = ps->arrLinkTypes[link];
hr = IDataObject_QueryGetData(ps->lpSrcDataObj, &fmt);
if(hr == S_OK)
supported_mask |= 1 << link;
}
TRACE("supported_mask %02x\n", supported_mask);
for(req_fmt = 0; req_fmt < ps->cPasteEntries; req_fmt++)
{
DWORD linktypes;
if(ps->arrPasteEntries[req_fmt].dwFlags & OLEUIPASTE_LINKANYTYPE)
linktypes = 0xff;
else
linktypes = ps->arrPasteEntries[req_fmt].dwFlags & 0xff;
if(linktypes & supported_mask)
{
add_entry_to_lb(hdlg, IDC_PS_PASTELINKLIST, ps->arrPasteEntries + req_fmt);
items_added++;
}
}
EnableWindow(GetDlgItem(hdlg, IDC_PS_PASTELINK), items_added ? TRUE : FALSE);
return items_added;
}
static HRESULT STDMETHODCALLTYPE
CDevSettings_GetData(IDataObject* iface,
FORMATETC* pformatetcIn,
STGMEDIUM* pmedium)
{
static const WCHAR szEmpty[] = {0};
HRESULT hr;
PCWSTR pszRet = NULL;
PWSTR pszBuf;
PCDevSettings This = impl_from_IDataObject(iface);
ZeroMemory(pmedium,
sizeof(STGMEDIUM));
hr = IDataObject_QueryGetData(iface,
pformatetcIn);
if (SUCCEEDED(hr))
{
/* Return the reqested data back to the shell extension */
if (pformatetcIn->cfFormat == This->cfDisplayDevice)
{
pszRet = This->pDisplayDevice;
DPRINT1("CDevSettings::GetData returns display device %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfDisplayName)
{
pszRet = This->pDisplayName;
DPRINT1("CDevSettings::GetData returns display name %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfDisplayKey)
{
pszRet = This->pDisplayKey;
DPRINT1("CDevSettings::GetData returns display key %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfDisplayId)
{
pszRet = This->pDisplayId;
DPRINT1("CDevSettings::GetData returns display id %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfMonitorName)
{
pszRet = This->pMonitorName;
DPRINT1("CDevSettings::GetData returns monitor name %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfMonitorDevice)
{
pszRet = This->pMonitorDevice;
DPRINT1("CDevSettings::GetData returns monitor device %ws\n", pszRet);
}
else if (pformatetcIn->cfFormat == This->cfExtInterface)
{
PDESK_EXT_INTERFACE pIface;
pIface = GlobalAlloc(GPTR,
sizeof(*pIface));
if (pIface != NULL)
{
CopyMemory(pIface,
&This->ExtInterface,
sizeof(This->ExtInterface));
DPRINT1("CDevSettings::GetData returns the desk.cpl extension interface\n");
pmedium->tymed = TYMED_HGLOBAL;
pmedium->hGlobal = pIface;
return S_OK;
}
else
return E_OUTOFMEMORY;
}
else if (pformatetcIn->cfFormat == This->cfDisplayStateFlags)
{
PDWORD pdw;
pdw = GlobalAlloc(GPTR,
sizeof(*pdw));
if (pdw != NULL)
{
*pdw = This->StateFlags;
DPRINT1("CDevSettings::GetData returns the display state flags %x\n", This->StateFlags);
pmedium->tymed = TYMED_HGLOBAL;
pmedium->hGlobal = pdw;
return S_OK;
}
else
return E_OUTOFMEMORY;
}
else if (pformatetcIn->cfFormat == This->cfPruningMode)
{
PBYTE pb;
pb = GlobalAlloc(GPTR,
sizeof(*pb));
if (pb != NULL)
{
*pb = (This->bModesPruned && This->bPruningOn);
pmedium->tymed = TYMED_HGLOBAL;
pmedium->hGlobal = pb;
return S_OK;
}
else
return E_OUTOFMEMORY;
}
/* NOTE: This only returns null-terminated strings! */
if (pszRet == NULL)
pszRet = szEmpty;
pszBuf = GlobalAlloc(GPTR,
(wcslen(pszRet) + 1) * sizeof(WCHAR));
if (pszBuf != NULL)
{
hr = StringCbCopy(pszBuf, (wcslen(pszRet) + 1) * sizeof(WCHAR), pszRet);
if (FAILED(hr))
{
GlobalFree(pszBuf);
return hr;
}
pmedium->tymed = TYMED_HGLOBAL;
pmedium->hGlobal = pszBuf;
hr = S_OK;
}
else
hr = E_OUTOFMEMORY;
}
return hr;
}
/***************************************************************************
* get_storage
*
* Retrieve an object's storage from a variety of sources.
*
* FIXME: CF_FILENAME.
*/
static HRESULT get_storage(IDataObject *data, IStorage *stg, UINT *src_cf)
{
static const UINT fmt_id[] = { CF_METAFILEPICT, CF_BITMAP, CF_DIB };
UINT i;
HRESULT hr;
FORMATETC fmt;
STGMEDIUM med;
IPersistStorage *persist;
CLSID clsid;
*src_cf = 0;
/* CF_EMBEDEDOBJECT */
init_fmtetc(&fmt, embedded_object_clipboard_format, TYMED_ISTORAGE);
med.tymed = TYMED_ISTORAGE;
med.u.pstg = stg;
hr = IDataObject_GetDataHere(data, &fmt, &med);
if(SUCCEEDED(hr))
{
*src_cf = embedded_object_clipboard_format;
return hr;
}
/* CF_EMBEDSOURCE */
init_fmtetc(&fmt, embed_source_clipboard_format, TYMED_ISTORAGE);
med.tymed = TYMED_ISTORAGE;
med.u.pstg = stg;
hr = IDataObject_GetDataHere(data, &fmt, &med);
if(SUCCEEDED(hr))
{
*src_cf = embed_source_clipboard_format;
return hr;
}
for (i = 0; i < sizeof(fmt_id)/sizeof(fmt_id[0]); i++)
{
init_fmtetc(&fmt, fmt_id[i], TYMED_ISTORAGE);
hr = IDataObject_QueryGetData(data, &fmt);
if(SUCCEEDED(hr))
{
*src_cf = fmt_id[i];
return hr;
}
}
/* IPersistStorage */
hr = IDataObject_QueryInterface(data, &IID_IPersistStorage, (void**)&persist);
if(FAILED(hr)) return hr;
hr = IPersistStorage_GetClassID(persist, &clsid);
if(FAILED(hr)) goto end;
hr = IStorage_SetClass(stg, &clsid);
if(FAILED(hr)) goto end;
hr = IPersistStorage_Save(persist, stg, FALSE);
if(FAILED(hr)) goto end;
hr = IPersistStorage_SaveCompleted(persist, NULL);
end:
IPersistStorage_Release(persist);
return hr;
}
