source: trunk/src/shell32/new/dataobject.cpp@ 791

Last change on this file since 791 was 791, checked in by phaller, 26 years ago

Add: shell32/new - a direct port of WINE's Shell32 implmentation
File size: 16.4 KB
Line 
1/*
2 * IEnumFORMATETC, IDataObject
3 *
4 * selecting and droping objects within the shell and/or common dialogs
5 *
6 * Copyright 1998, 1999 <juergen.schmied@metronet.de>
7 */
8#include <string.h>
9#include <odin.h>
10
11#define ICOM_CINTERFACE 1
12#define CINTERFACE 1
13
14#include "winerror.h"
15#include "debugtools.h"
16
17#include "oleidl.h"
18#include "pidl.h"
19#include "winerror.h"
20#include "shell32_main.h"
21#include "debugtools.h"
22#include "wine/undocshell.h"
23#include "wine/obj_dataobject.h"
24
25#include <misc.h>
26
27DEFAULT_DEBUG_CHANNEL(shell)
28
29/***********************************************************************
30* IEnumFORMATETC implementation
31*/
32
33typedef struct
34{
35 /* IUnknown fields */
36 ICOM_VTABLE(IEnumFORMATETC)* lpvtbl;
37 DWORD ref;
38 /* IEnumFORMATETC fields */
39 UINT posFmt;
40 UINT countFmt;
41 LPFORMATETC pFmt;
42} IEnumFORMATETCImpl;
43
44static HRESULT WINAPI IEnumFORMATETC_fnQueryInterface(LPENUMFORMATETC iface, REFIID riid, LPVOID* ppvObj);
45static ULONG WINAPI IEnumFORMATETC_fnAddRef(LPENUMFORMATETC iface);
46static ULONG WINAPI IEnumFORMATETC_fnRelease(LPENUMFORMATETC iface);
47static HRESULT WINAPI IEnumFORMATETC_fnNext(LPENUMFORMATETC iface, ULONG celt, FORMATETC* rgelt, ULONG* pceltFethed);
48static HRESULT WINAPI IEnumFORMATETC_fnSkip(LPENUMFORMATETC iface, ULONG celt);
49static HRESULT WINAPI IEnumFORMATETC_fnReset(LPENUMFORMATETC iface);
50static HRESULT WINAPI IEnumFORMATETC_fnClone(LPENUMFORMATETC iface, LPENUMFORMATETC* ppenum);
51
52static struct ICOM_VTABLE(IEnumFORMATETC) efvt =
53{
54 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
55 IEnumFORMATETC_fnQueryInterface,
56 IEnumFORMATETC_fnAddRef,
57 IEnumFORMATETC_fnRelease,
58 IEnumFORMATETC_fnNext,
59 IEnumFORMATETC_fnSkip,
60 IEnumFORMATETC_fnReset,
61 IEnumFORMATETC_fnClone
62};
63
64LPENUMFORMATETC IEnumFORMATETC_Constructor(UINT cfmt, const FORMATETC afmt[])
65{
66 IEnumFORMATETCImpl* ef;
67 DWORD size=cfmt * sizeof(FORMATETC);
68
69 ef=(IEnumFORMATETCImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumFORMATETCImpl));
70
71 if(ef)
72 {
73 ef->ref=1;
74 ef->lpvtbl=&efvt;
75
76 ef->countFmt = cfmt;
77 ef->pFmt = (FORMATETC*)SHAlloc (size);
78
79 if (ef->pFmt)
80 {
81 memcpy(ef->pFmt, afmt, size);
82 }
83
84 shell32_ObjCount++;
85 }
86
87 TRACE("(%p)->()\n",ef);
88 return (LPENUMFORMATETC)ef;
89}
90static HRESULT WINAPI IEnumFORMATETC_fnQueryInterface(LPENUMFORMATETC iface, REFIID riid, LPVOID* ppvObj)
91{
92 ICOM_THIS(IEnumFORMATETCImpl,iface);
93 char xriid[50];
94 WINE_StringFromCLSID((LPCLSID)riid,xriid);
95 TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,xriid,ppvObj);
96
97 *ppvObj = NULL;
98
99 if(IsEqualIID(riid, &IID_IUnknown))
100 { *ppvObj = This;
101 }
102 else if(IsEqualIID(riid, &IID_IEnumFORMATETC))
103 { *ppvObj = (IDataObject*)This;
104 }
105
106 if(*ppvObj)
107 { IEnumFORMATETC_AddRef((IEnumFORMATETC*)*ppvObj);
108 TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
109 return S_OK;
110 }
111 TRACE("-- Interface: E_NOINTERFACE\n");
112 return E_NOINTERFACE;
113
114}
115static ULONG WINAPI IEnumFORMATETC_fnAddRef(LPENUMFORMATETC iface)
116{
117 ICOM_THIS(IEnumFORMATETCImpl,iface);
118 TRACE("(%p)->(count=%lu)\n",This, This->ref);
119 shell32_ObjCount++;
120 return ++(This->ref);
121}
122static ULONG WINAPI IEnumFORMATETC_fnRelease(LPENUMFORMATETC iface)
123{
124 ICOM_THIS(IEnumFORMATETCImpl,iface);
125 TRACE("(%p)->()\n",This);
126
127 shell32_ObjCount--;
128
129 if (!--(This->ref))
130 { TRACE(" destroying IEnumFORMATETC(%p)\n",This);
131 if (This->pFmt)
132 { SHFree (This->pFmt);
133 }
134 HeapFree(GetProcessHeap(),0,This);
135 return 0;
136 }
137 return This->ref;
138}
139static HRESULT WINAPI IEnumFORMATETC_fnNext(LPENUMFORMATETC iface, ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed)
140{
141 ICOM_THIS(IEnumFORMATETCImpl,iface);
142 UINT cfetch;
143 HRESULT hres = S_FALSE;
144
145 TRACE("(%p)->()\n", This);
146
147 if (This->posFmt < This->countFmt)
148 {
149 cfetch = This->countFmt - This->posFmt;
150 if (cfetch >= celt)
151 {
152 cfetch = celt;
153 hres = S_OK;
154 }
155 memcpy(rgelt, &This->pFmt[This->posFmt], cfetch * sizeof(FORMATETC));
156 This->posFmt += cfetch;
157 }
158 else
159 {
160 cfetch = 0;
161 }
162
163 if (pceltFethed)
164 {
165 *pceltFethed = cfetch;
166 }
167
168 return hres;
169}
170static HRESULT WINAPI IEnumFORMATETC_fnSkip(LPENUMFORMATETC iface, ULONG celt)
171{
172 ICOM_THIS(IEnumFORMATETCImpl,iface);
173 FIXME("(%p)->(num=%lu)\n", This, celt);
174
175 This->posFmt += celt;
176 if (This->posFmt > This->countFmt)
177 {
178 This->posFmt = This->countFmt;
179 return S_FALSE;
180 }
181 return S_OK;
182}
183static HRESULT WINAPI IEnumFORMATETC_fnReset(LPENUMFORMATETC iface)
184{
185 ICOM_THIS(IEnumFORMATETCImpl,iface);
186 FIXME("(%p)->()\n", This);
187
188 This->posFmt = 0;
189 return S_OK;
190}
191static HRESULT WINAPI IEnumFORMATETC_fnClone(LPENUMFORMATETC iface, LPENUMFORMATETC* ppenum)
192{
193 ICOM_THIS(IEnumFORMATETCImpl,iface);
194 FIXME("(%p)->(ppenum=%p)\n", This, ppenum);
195 return E_NOTIMPL;
196}
197
198/**************************************************************************
199 * IDLList "Item ID List List"
200 *
201 * NOTES
202 * interal data holder for IDataObject
203 */
204#define STDMETHOD(xfn) HRESULT (CALLBACK *fn##xfn)
205#define STDMETHOD_(type,xfn) type (CALLBACK *fn##xfn)
206#define THIS_ THIS,
207
208typedef struct tagLPIDLLIST *LPIDLLIST, IDLList;
209
210#define THIS LPIDLLIST me
211typedef enum
212{ State_UnInit=1,
213 State_Init=2,
214 State_OutOfMem=3
215} IDLListState;
216
217typedef struct IDLList_VTable
218{ STDMETHOD_(UINT, GetState)(THIS);
219 STDMETHOD_(LPITEMIDLIST, GetElement)(THIS_ UINT nIndex);
220 STDMETHOD_(UINT, GetCount)(THIS);
221 STDMETHOD_(BOOL, StoreItem)(THIS_ LPITEMIDLIST pidl);
222 STDMETHOD_(BOOL, AddItems)(THIS_ LPITEMIDLIST *apidl, UINT cidl);
223 STDMETHOD_(BOOL, InitList)(THIS);
224 STDMETHOD_(void, CleanList)(THIS);
225} IDLList_VTable,*LPIDLLIST_VTABLE;
226
227struct tagLPIDLLIST
228{ LPIDLLIST_VTABLE lpvtbl;
229 HDPA dpa;
230 UINT uStep;
231};
232
233extern LPIDLLIST IDLList_Constructor (UINT uStep);
234extern void IDLList_Destructor(LPIDLLIST me);
235#undef THIS
236
237
238
239/**************************************************************************
240 * IDLList "Item ID List List"
241 *
242 */
243static UINT WINAPI IDLList_GetState(LPIDLLIST THIS);
244static LPITEMIDLIST WINAPI IDLList_GetElement(LPIDLLIST THIS, UINT nIndex);
245static UINT WINAPI IDLList_GetCount(LPIDLLIST THIS);
246static BOOL WINAPI IDLList_StoreItem(LPIDLLIST THIS, LPITEMIDLIST pidl);
247static BOOL WINAPI IDLList_AddItems(LPIDLLIST THIS, LPITEMIDLIST *apidl, UINT cidl);
248static BOOL WINAPI IDLList_InitList(LPIDLLIST THIS);
249static void WINAPI IDLList_CleanList(LPIDLLIST THIS);
250
251static IDLList_VTable idllvt =
252{ IDLList_GetState,
253 IDLList_GetElement,
254 IDLList_GetCount,
255 IDLList_StoreItem,
256 IDLList_AddItems,
257 IDLList_InitList,
258 IDLList_CleanList
259};
260
261LPIDLLIST IDLList_Constructor (UINT uStep)
262{
263 LPIDLLIST lpidll;
264 lpidll = (LPIDLLIST)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDLList));
265
266 if (lpidll)
267 {
268 lpidll->lpvtbl=&idllvt;
269 lpidll->uStep=uStep;
270 }
271
272 TRACE("(%p)\n",lpidll);
273 return lpidll;
274}
275void IDLList_Destructor(LPIDLLIST THIS)
276{ TRACE("(%p)\n",THIS);
277 IDLList_CleanList(THIS);
278}
279
280static UINT WINAPI IDLList_GetState(LPIDLLIST THIS)
281{ TRACE("(%p)->(uStep=%u dpa=%p)\n",THIS, THIS->uStep, THIS->dpa);
282
283 if (THIS->uStep == 0)
284 {
285 if (THIS->dpa)
286 return(State_Init);
287
288 return(State_OutOfMem);
289 }
290 return(State_UnInit);
291}
292static LPITEMIDLIST WINAPI IDLList_GetElement(LPIDLLIST THIS, UINT nIndex)
293{ TRACE("(%p)->(index=%u)\n",THIS, nIndex);
294 return((LPITEMIDLIST)pDPA_GetPtr(THIS->dpa, nIndex));
295}
296static UINT WINAPI IDLList_GetCount(LPIDLLIST THIS)
297{ TRACE("(%p)\n",THIS);
298 return(IDLList_GetState(THIS)==State_Init ? DPA_GetPtrCount(THIS->dpa) : 0);
299}
300static BOOL WINAPI IDLList_StoreItem(LPIDLLIST THIS, LPITEMIDLIST pidl)
301{ TRACE("(%p)->(pidl=%p)\n",THIS, pidl);
302 if (pidl)
303 { if (IDLList_InitList(THIS) && pDPA_InsertPtr(THIS->dpa, 0x7fff, (LPSTR)pidl)>=0)
304 return(TRUE);
305 ILFree(pidl);
306 }
307 IDLList_CleanList(THIS);
308 return(FALSE);
309}
310static BOOL WINAPI IDLList_AddItems(LPIDLLIST THIS, LPITEMIDLIST *apidl, UINT cidl)
311{ INT i;
312 TRACE("(%p)->(apidl=%p cidl=%u)\n",THIS, apidl, cidl);
313
314 for (i=0; i<cidl; ++i)
315 { if (!IDLList_StoreItem(THIS, ILClone((LPCITEMIDLIST)apidl[i])))
316 return(FALSE);
317 }
318 return(TRUE);
319}
320static BOOL WINAPI IDLList_InitList(LPIDLLIST THIS)
321{ TRACE("(%p)\n",THIS);
322 switch (IDLList_GetState(THIS))
323 { case State_Init:
324 return(TRUE);
325
326 case State_OutOfMem:
327 return(FALSE);
328
329 case State_UnInit:
330 default:
331 THIS->dpa = pDPA_Create(THIS->uStep);
332 THIS->uStep = 0;
333 return(IDLList_InitList(THIS));
334 }
335}
336static void WINAPI IDLList_CleanList(LPIDLLIST THIS)
337{ INT i;
338 TRACE("(%p)\n",THIS);
339
340 if (THIS->uStep != 0)
341 { THIS->dpa = NULL;
342 THIS->uStep = 0;
343 return;
344 }
345
346 if (!THIS->dpa)
347 { return;
348 }
349
350 for (i=DPA_GetPtrCount(THIS->dpa)-1; i>=0; --i)
351 { ILFree(IDLList_GetElement(THIS,i));
352 }
353
354 pDPA_Destroy(THIS->dpa);
355 THIS->dpa=NULL;
356}
357
358
359/***********************************************************************
360* IDataObject implementation
361*/
362/* number of supported formats */
363#define MAX_FORMATS 1
364
365typedef struct
366{
367 /* IUnknown fields */
368 ICOM_VTABLE(IDataObject)* lpvtbl;
369 DWORD ref;
370
371 /* IDataObject fields */
372 LPIDLLIST lpill; /* the data of the dataobject */
373 LPITEMIDLIST pidl;
374
375 FORMATETC pFormatEtc[MAX_FORMATS];
376 UINT cfShellIDList;
377 UINT cfFileGroupDesc;
378 UINT cfFileContents;
379
380} IDataObjectImpl;
381
382//static struct ICOM_VTABLE(IDataObject) dtovt;
383
384/***************************************************************************
385* IDataObject_QueryInterface
386*/
387static HRESULT WINAPI IDataObject_fnQueryInterface(LPDATAOBJECT iface, REFIID riid, LPVOID * ppvObj)
388{
389 ICOM_THIS(IDataObjectImpl,iface);
390 char xriid[50];
391 WINE_StringFromCLSID((LPCLSID)riid,xriid);
392 TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,xriid,ppvObj);
393
394 *ppvObj = NULL;
395
396 if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
397 { *ppvObj = This;
398 }
399 else if(IsEqualIID(riid, &IID_IDataObject)) /*IDataObject*/
400 { *ppvObj = (IDataObject*)This;
401 }
402
403 if(*ppvObj)
404 { IDataObject_AddRef((IDataObject*)*ppvObj);
405 TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
406 return S_OK;
407 }
408 TRACE("-- Interface: E_NOINTERFACE\n");
409 return E_NOINTERFACE;
410}
411/**************************************************************************
412* IDataObject_AddRef
413*/
414static ULONG WINAPI IDataObject_fnAddRef(LPDATAOBJECT iface)
415{
416 ICOM_THIS(IDataObjectImpl,iface);
417
418 TRACE("(%p)->(count=%lu)\n",This, This->ref);
419
420 shell32_ObjCount++;
421 return ++(This->ref);
422}
423/**************************************************************************
424* IDataObject_Release
425*/
426static ULONG WINAPI IDataObject_fnRelease(LPDATAOBJECT iface)
427{
428 ICOM_THIS(IDataObjectImpl,iface);
429 TRACE("(%p)->()\n",This);
430
431 shell32_ObjCount--;
432
433 if (!--(This->ref))
434 { TRACE(" destroying IDataObject(%p)\n",This);
435 IDLList_Destructor(This->lpill);
436 HeapFree(GetProcessHeap(),0,This);
437 return 0;
438 }
439 return This->ref;
440}
441
442/**************************************************************************
443* IDataObject_fnGetData
444*/
445static HRESULT WINAPI IDataObject_fnGetData(LPDATAOBJECT iface, LPFORMATETC pformatetcIn, STGMEDIUM *pmedium)
446{
447 ICOM_THIS(IDataObjectImpl,iface);
448
449 char szTemp[256];
450 UINT cItems;
451 DWORD sizeCIDA, sizePidl, nOffset, nSize;
452 LPCIDA pcida;
453 HGLOBAL hmem;
454 int i;
455 LPITEMIDLIST pidl;
456
457 GetClipboardFormatNameA (pformatetcIn->cfFormat, szTemp, 256);
458 TRACE("(%p)->(%p %p format=%s)\n", This, pformatetcIn, pmedium, szTemp);
459
460 /* test expected format */
461 if (!(pformatetcIn->cfFormat == This->cfShellIDList))
462 {
463 FIXME("-- clipformat not implemented\n");
464 return (E_INVALIDARG);
465 }
466
467 if (pformatetcIn->ptd==NULL
468 && (pformatetcIn->dwAspect & DVASPECT_CONTENT)
469 && pformatetcIn->lindex==-1
470 && (pformatetcIn->tymed&TYMED_HGLOBAL))
471 {
472 cItems = This->lpill->lpvtbl->fnGetCount(This->lpill);
473 if (cItems < 1) return(E_UNEXPECTED);
474
475 sizeCIDA = sizeof(CIDA) + sizeof (UINT)*(cItems); /* without any pidl */
476 sizePidl = ILGetSize (This->pidl); /* add root pidl */
477
478 nSize = sizeCIDA + sizePidl;
479 hmem = GlobalAlloc(GHND|GMEM_SHARE, nSize);
480 if (!hmem) return(E_OUTOFMEMORY);
481 pcida = (CIDA*)GlobalLock (hmem);
482
483 nOffset = sizeCIDA; /* start after the CIDA */
484 pcida->cidl = cItems;
485
486 pcida->aoffset[0] = nOffset; /* first element */
487 memcpy(((LPBYTE)pcida)+nOffset, This->pidl, sizePidl);
488 nOffset += sizePidl;
489 pdump(This->pidl);
490
491 for (i=0; i< cItems; i++)
492 {
493 pidl = This->lpill->lpvtbl->fnGetElement(This->lpill, i);
494 sizePidl = ILGetSize (pidl);
495 nSize += sizePidl; /* size of the structure */
496 pdump(pidl);
497
498 GlobalUnlock(hmem); /* grow memory */
499 hmem = GlobalReAlloc(hmem, nSize, GHND|GMEM_SHARE);
500 if (!hmem) return(E_OUTOFMEMORY);
501 pcida = (CIDA*)GlobalLock (hmem);
502
503 pcida->aoffset[i+1] = nOffset; /* copy element */
504 memcpy(((LPBYTE)pcida)+nOffset, pidl, sizePidl);
505 nOffset += sizePidl;
506 }
507
508 GlobalUnlock(hmem);
509
510 pmedium->tymed = TYMED_HGLOBAL;
511 pmedium->u.hGlobal = hmem;
512 pmedium->pUnkForRelease = NULL;
513
514 TRACE("(%p)->(cida at %p)\n", This, pcida);
515 return hmem;
516 }
517
518 FIXME("-- can't serve format\n");
519 return (E_INVALIDARG);
520}
521static HRESULT WINAPI IDataObject_fnGetDataHere(LPDATAOBJECT iface, LPFORMATETC pformatetc, STGMEDIUM *pmedium)
522{
523 ICOM_THIS(IDataObjectImpl,iface);
524 FIXME("(%p)->()\n", This);
525 return E_NOTIMPL;
526}
527static HRESULT WINAPI IDataObject_fnQueryGetData(LPDATAOBJECT iface, LPFORMATETC pformatetc)
528{
529 ICOM_THIS(IDataObjectImpl,iface);
530 UINT i;
531
532 TRACE("(%p)->(fmt=0x%08x tym=0x%08lx)\n", This, pformatetc->cfFormat, pformatetc->tymed);
533
534 if(!(DVASPECT_CONTENT & pformatetc->dwAspect))
535 return DV_E_DVASPECT;
536
537 /* check our formats table what we have */
538 for (i=0; i<MAX_FORMATS; i++)
539 {
540 if ((This->pFormatEtc[i].cfFormat == pformatetc->cfFormat)
541 && (This->pFormatEtc[i].tymed == pformatetc->tymed))
542 {
543 return S_OK;
544 }
545 }
546
547 return DV_E_TYMED;
548}
549static HRESULT WINAPI IDataObject_fnGetCanonicalFormatEtc(LPDATAOBJECT iface, LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut)
550{
551 ICOM_THIS(IDataObjectImpl,iface);
552 FIXME("(%p)->()\n", This);
553 return E_NOTIMPL;
554}
555static HRESULT WINAPI IDataObject_fnSetData(LPDATAOBJECT iface, LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
556{
557 ICOM_THIS(IDataObjectImpl,iface);
558 FIXME("(%p)->()\n", This);
559 return E_NOTIMPL;
560}
561static HRESULT WINAPI IDataObject_fnEnumFormatEtc(LPDATAOBJECT iface, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
562{
563 ICOM_THIS(IDataObjectImpl,iface);
564
565 TRACE("(%p)->()\n", This);
566 *ppenumFormatEtc=NULL;
567
568 /* only get data */
569 if (DATADIR_GET == dwDirection)
570 {
571 *ppenumFormatEtc = IEnumFORMATETC_Constructor(MAX_FORMATS, This->pFormatEtc);
572 return (*ppenumFormatEtc) ? S_OK : E_FAIL;
573 }
574
575 return E_NOTIMPL;
576}
577static HRESULT WINAPI IDataObject_fnDAdvise(LPDATAOBJECT iface, FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
578{
579 ICOM_THIS(IDataObjectImpl,iface);
580 FIXME("(%p)->()\n", This);
581 return E_NOTIMPL;
582}
583static HRESULT WINAPI IDataObject_fnDUnadvise(LPDATAOBJECT iface, DWORD dwConnection)
584{
585 ICOM_THIS(IDataObjectImpl,iface);
586 FIXME("(%p)->()\n", This);
587 return E_NOTIMPL;
588}
589static HRESULT WINAPI IDataObject_fnEnumDAdvise(LPDATAOBJECT iface, IEnumSTATDATA **ppenumAdvise)
590{
591 ICOM_THIS(IDataObjectImpl,iface);
592 FIXME("(%p)->()\n", This);
593 return E_NOTIMPL;
594}
595
596static struct ICOM_VTABLE(IDataObject) dtovt =
597{
598 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
599 IDataObject_fnQueryInterface,
600 IDataObject_fnAddRef,
601 IDataObject_fnRelease,
602 IDataObject_fnGetData,
603 IDataObject_fnGetDataHere,
604 IDataObject_fnQueryGetData,
605 IDataObject_fnGetCanonicalFormatEtc,
606 IDataObject_fnSetData,
607 IDataObject_fnEnumFormatEtc,
608 IDataObject_fnDAdvise,
609 IDataObject_fnDUnadvise,
610 IDataObject_fnEnumDAdvise
611};
612
613/**************************************************************************
614* IDataObject_Constructor
615*/
616LPDATAOBJECT IDataObject_Constructor(HWND hwndOwner, LPITEMIDLIST pMyPidl, LPITEMIDLIST * apidl, UINT cidl)
617{
618 IDataObjectImpl* dto;
619
620 dto = (IDataObjectImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDataObjectImpl));
621
622 if (dto)
623 {
624 dto->ref=1;
625 dto->lpvtbl=&dtovt;
626 dto->pidl=ILClone(pMyPidl);
627
628 /* fill the ItemID List List */
629 dto->lpill = IDLList_Constructor (8);
630 if (! dto->lpill )
631 return NULL;
632
633 dto->lpill->lpvtbl->fnAddItems(dto->lpill, apidl, cidl);
634
635 /* */
636 dto->cfShellIDList = RegisterClipboardFormatA(CFSTR_SHELLIDLIST);
637/* dto->cfFileGroupDesc = RegisterClipboardFormatA(CFSTR_FILEDESCRIPTORA);
638 dto->cfFileContents = RegisterClipboardFormatA(CFSTR_FILECONTENTS);
639*/
640 InitFormatEtc(dto->pFormatEtc[0], dto->cfShellIDList, TYMED_HGLOBAL);
641
642 shell32_ObjCount++;
643 }
644
645 TRACE("(%p)->(apidl=%p cidl=%u)\n",dto, apidl, cidl);
646 return (LPDATAOBJECT)dto;
647}
648
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