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ole32: Move the code to set the clipboard formats to a separate function.

This commit is contained in:
Huw Davies 2009-03-24 13:49:24 +00:00 committed by Alexandre Julliard
parent 5f6ae94ad0
commit 3383db6107
1 changed files with 43 additions and 44 deletions
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87
dlls/ole32/clipboard.c
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@ -1271,6 +1271,46 @@ static HWND OLEClipbrd_CreateWindow(void)
return hwnd;
}
/*********************************************************************
* set_clipboard_formats
*
* Enumerate all HGLOBAL formats supported by the source and make
* those formats available using delayed rendering using SetClipboardData.
*
* TODO: We need to additionally handle TYMED_IStorage and
* TYMED_IStream data by copying into global memory.
*/
static HRESULT set_clipboard_formats(IDataObject *data)
{
HRESULT hr;
FORMATETC fmt;
IEnumFORMATETC *enum_fmt;
hr = IDataObject_EnumFormatEtc(data, DATADIR_GET, &enum_fmt);
if(FAILED(hr)) return hr;
while(IEnumFORMATETC_Next(enum_fmt, 1, &fmt, NULL) == S_OK)
{
if (fmt.tymed == TYMED_HGLOBAL)
{
char fmt_name[80];
TRACE("(cfFormat=%d:%s)\n", fmt.cfFormat,
GetClipboardFormatNameA(fmt.cfFormat, fmt_name, sizeof(fmt_name)-1) ? fmt_name : "");
SetClipboardData(fmt.cfFormat, NULL);
}
}
IEnumFORMATETC_Release(enum_fmt);
return S_OK;
}
/*********************************************************************
* set_dataobject_format
*
* Windows creates a 'DataObject' clipboard format that contains the
* clipboard window's HWND or NULL if the Ole clipboard has been flushed.
*/
static HRESULT set_dataobject_format(HWND hwnd)
{
HGLOBAL h = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, sizeof(hwnd));
@ -1312,8 +1352,6 @@ static HRESULT set_dataobject_format(HWND hwnd)
HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
{
HRESULT hr = S_OK;
IEnumFORMATETC* penumFormatetc = NULL;
FORMATETC rgelt;
BOOL bClipboardOpen = FALSE;
struct oletls *info = COM_CurrentInfo();
@ -1361,54 +1399,15 @@ HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
theOleClipboard->pIDataObjectSrc = NULL;
}
/*
* AddRef the data object passed in and save its pointer.
* A NULL value indicates that the clipboard should be emptied.
*/
/* A NULL value indicates that the clipboard should be emptied. */
theOleClipboard->pIDataObjectSrc = pDataObj;
if ( pDataObj )
{
IDataObject_AddRef(theOleClipboard->pIDataObjectSrc);
hr = set_clipboard_formats(pDataObj);
if(FAILED(hr)) goto CLEANUP;
}
/*
* Enumerate all HGLOBAL formats supported by the source and make
* those formats available using delayed rendering using SetClipboardData.
* Only global memory based data items may be made available to non-OLE
* applications via the standard Windows clipboard API. Data based on other
* mediums(non TYMED_HGLOBAL) can only be accessed via the Ole Clipboard API.
*
* TODO: Do we need to additionally handle TYMED_IStorage media by copying
* the storage into global memory?
*/
if ( pDataObj )
{
if ( FAILED(hr = IDataObject_EnumFormatEtc( pDataObj,
DATADIR_GET,
&penumFormatetc )))
{
HANDLE_ERROR( hr );
}
while ( S_OK == IEnumFORMATETC_Next(penumFormatetc, 1, &rgelt, NULL) )
{
if ( rgelt.tymed == TYMED_HGLOBAL )
{
CHAR szFmtName[80];
TRACE("(cfFormat=%d:%s)\n", rgelt.cfFormat,
GetClipboardFormatNameA(rgelt.cfFormat, szFmtName, sizeof(szFmtName)-1)
? szFmtName : "");
SetClipboardData( rgelt.cfFormat, NULL);
}
}
IEnumFORMATETC_Release(penumFormatetc);
}
/*
* Windows additionally creates a new "DataObject" clipboard format
* and stores the clipboard window's HWND in it
*/
hr = set_dataobject_format(theOleClipboard->hWndClipboard);
CLEANUP: