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ole32: Add a helper function to return the ole clipboard structure.

This commit is contained in:
Huw Davies 2009-04-16 12:07:47 +01:00 committed by Alexandre Julliard
parent 72f53ed4d7
commit bf8d85cee0
1 changed files with 59 additions and 63 deletions
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122
dlls/ole32/clipboard.c
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@ -157,6 +157,17 @@ typedef struct PresentationDataHeader
*/
static ole_clipbrd* theOleClipboard;
static inline HRESULT get_ole_clipbrd(ole_clipbrd **clipbrd)
{
struct oletls *info = COM_CurrentInfo();
*clipbrd = NULL;
if(!info->ole_inits)
return CO_E_NOTINITIALIZED;
*clipbrd = theOleClipboard;
return S_OK;
}
/*
* Name of our registered OLE clipboard window class
@ -747,7 +758,9 @@ static HRESULT render_format(IDataObject *data, LPFORMATETC fmt)
*/
static LRESULT CALLBACK clipbrd_wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
ole_clipbrd *clipbrd = theOleClipboard;
ole_clipbrd *clipbrd;
get_ole_clipbrd(&clipbrd);
switch (message)
{
@ -876,8 +889,6 @@ static void OLEClipbrd_Destroy(ole_clipbrd* This)
if (!This) return;
theOleClipboard = NULL;
if ( This->hWndClipboard )
OLEClipbrd_DestroyWindow(This->hWndClipboard);
@ -1183,7 +1194,6 @@ static ole_clipbrd* OLEClipbrd_Construct(void)
This->pIDataObjectSrc = NULL;
This->cached_enum = NULL;
theOleClipboard = This;
return This;
}
@ -1231,6 +1241,7 @@ void OLEClipbrd_UnInitialize(void)
if ( theOleClipboard && (theOleClipboard->ref <= 1) )
{
OLEClipbrd_Destroy( theOleClipboard );
theOleClipboard = NULL;
}
else
{
@ -1407,28 +1418,21 @@ static HRESULT set_dataobject_format(HWND hwnd)
HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
{
HRESULT hr = S_OK;
struct oletls *info = COM_CurrentInfo();
HRESULT hr;
ole_clipbrd *clipbrd;
TRACE("(%p)\n", pDataObj);
if(!info)
WARN("Could not allocate tls\n");
else
if(!info->ole_inits)
return CO_E_NOTINITIALIZED;
OLEClipbrd_Initialize();
if(FAILED(hr = get_ole_clipbrd(&clipbrd))) return hr;
/*
* If the Ole clipboard window hasn't been created yet, create it now.
*/
if ( !theOleClipboard->hWndClipboard )
theOleClipboard->hWndClipboard = OLEClipbrd_CreateWindow();
if ( !clipbrd->hWndClipboard )
clipbrd->hWndClipboard = OLEClipbrd_CreateWindow();
if ( !clipbrd->hWndClipboard ) return E_FAIL;
if ( !theOleClipboard->hWndClipboard ) return E_FAIL;
if ( !OpenClipboard(theOleClipboard->hWndClipboard) ) return CLIPBRD_E_CANT_OPEN;
if ( !OpenClipboard(clipbrd->hWndClipboard) ) return CLIPBRD_E_CANT_OPEN;
/*
* Empty the current clipboard and make our window the clipboard owner
@ -1443,37 +1447,37 @@ HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
/*
* If we are already holding on to an IDataObject first release that.
*/
if ( theOleClipboard->pIDataObjectSrc )
if ( clipbrd->pIDataObjectSrc )
{
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
IDataObject_Release(clipbrd->pIDataObjectSrc);
clipbrd->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum);
clipbrd->cached_enum = NULL;
}
/* A NULL value indicates that the clipboard should be emptied. */
theOleClipboard->pIDataObjectSrc = pDataObj;
clipbrd->pIDataObjectSrc = pDataObj;
if ( pDataObj )
{
IDataObject_AddRef(theOleClipboard->pIDataObjectSrc);
hr = set_clipboard_formats(theOleClipboard, pDataObj);
IDataObject_AddRef(clipbrd->pIDataObjectSrc);
hr = set_clipboard_formats(clipbrd, pDataObj);
if(FAILED(hr)) goto end;
}
hr = set_dataobject_format(theOleClipboard->hWndClipboard);
hr = set_dataobject_format(clipbrd->hWndClipboard);
end:
if ( !CloseClipboard() ) hr = CLIPBRD_E_CANT_CLOSE;
if ( !CloseClipboard() ) hr = CLIPBRD_E_CANT_CLOSE;
if ( FAILED(hr) )
{
if (theOleClipboard->pIDataObjectSrc)
if (clipbrd->pIDataObjectSrc)
{
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
IDataObject_Release(clipbrd->pIDataObjectSrc);
clipbrd->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum);
clipbrd->cached_enum = NULL;
}
}
@ -1489,21 +1493,15 @@ end:
*/
HRESULT WINAPI OleGetClipboard(IDataObject** ppDataObj)
{
HRESULT hr = S_OK;
TRACE("()\n");
HRESULT hr;
ole_clipbrd *clipbrd;
TRACE("()\n");
/*
* Make sure we have a clipboard object
*/
OLEClipbrd_Initialize();
if(FAILED(hr = get_ole_clipbrd(&clipbrd))) return hr;
if (!theOleClipboard)
return E_OUTOFMEMORY;
/* Return a reference counted IDataObject */
hr = IDataObject_QueryInterface( (IDataObject*)&(theOleClipboard->lpvtbl),
&IID_IDataObject, (void**)ppDataObj);
return hr;
hr = IDataObject_QueryInterface( (IDataObject*)&(clipbrd->lpvtbl),
&IID_IDataObject, (void**)ppDataObj);
return hr;
}
/******************************************************************************
@ -1519,26 +1517,27 @@ HRESULT WINAPI OleFlushClipboard(void)
{
IEnumFORMATETC* penumFormatetc = NULL;
FORMATETC rgelt;
HRESULT hr = S_OK;
HRESULT hr;
ole_clipbrd *clipbrd;
TRACE("()\n");
OLEClipbrd_Initialize();
if(FAILED(hr = get_ole_clipbrd(&clipbrd))) return hr;
/*
* Already flushed or no source DataObject? Nothing to do.
*/
if (!theOleClipboard->pIDataObjectSrc)
if (!clipbrd->pIDataObjectSrc)
return S_OK;
if (!OpenClipboard(theOleClipboard->hWndClipboard))
if (!OpenClipboard(clipbrd->hWndClipboard))
return CLIPBRD_E_CANT_OPEN;
/*
* Render all HGLOBAL formats supported by the source into
* the windows clipboard.
*/
if ( FAILED( hr = IDataObject_EnumFormatEtc( theOleClipboard->pIDataObjectSrc,
if ( FAILED( hr = IDataObject_EnumFormatEtc( clipbrd->pIDataObjectSrc,
DATADIR_GET,
&penumFormatetc) ))
goto end;
@ -1553,7 +1552,7 @@ HRESULT WINAPI OleFlushClipboard(void)
GetClipboardFormatNameA(rgelt.cfFormat, szFmtName, sizeof(szFmtName)-1)
? szFmtName : "");
if ( FAILED(render_format( theOleClipboard->pIDataObjectSrc, &rgelt )) )
if ( FAILED(render_format( clipbrd->pIDataObjectSrc, &rgelt )) )
continue;
}
}
@ -1562,10 +1561,10 @@ HRESULT WINAPI OleFlushClipboard(void)
hr = set_dataobject_format(NULL);
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
IDataObject_Release(clipbrd->pIDataObjectSrc);
clipbrd->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum);
clipbrd->cached_enum = NULL;
end:
@ -1580,17 +1579,14 @@ end:
*/
HRESULT WINAPI OleIsCurrentClipboard(IDataObject *pDataObject)
{
HRESULT hr;
ole_clipbrd *clipbrd;
TRACE("()\n");
/*
* Make sure we have a clipboard object
*/
OLEClipbrd_Initialize();
if (!theOleClipboard)
return E_OUTOFMEMORY;
if(FAILED(hr = get_ole_clipbrd(&clipbrd))) return hr;
if (pDataObject == NULL)
return S_FALSE;
return (pDataObject == theOleClipboard->pIDataObjectSrc) ? S_OK : S_FALSE;
return (pDataObject == clipbrd->pIDataObjectSrc) ? S_OK : S_FALSE;
}