source: trunk/src/shell32/pidl.c@ 6688

Last change on this file since 6688 was 6650, checked in by bird, 24 years ago

Added $Id:$ keyword.
File size: 45.5 KB
Line 
1/* $Id: pidl.c,v 1.4 2001-09-05 13:46:56 bird Exp $ */
2/*
3 * pidl Handling
4 *
5 * Copyright 1998 Juergen Schmied
6 *
7 * NOTES
8 * a pidl == NULL means desktop and is legal
9 *
10 */
11
12#include <ctype.h>
13#include <stdlib.h>
14#include <string.h>
15#include "winbase.h"
16#include "debugtools.h"
17#include "shlguid.h"
18#include "winerror.h"
19#include "winnls.h"
20#include "wine/undocshell.h"
21#include "shell32_main.h"
22#include "shellapi.h"
23#include "shlwapi.h"
24
25#include "pidl.h"
26
27DEFAULT_DEBUG_CHANNEL(pidl);
28DECLARE_DEBUG_CHANNEL(shell);
29
30#if defined( __WIN32OS2__) && defined(DEBUG)
31void pdump (LPCITEMIDLIST pidl)
32{
33 BOOL bIsShellDebug;
34
35 LPITEMIDLIST pidltemp = pidl;
36 if (!TRACE_ON(pidl))
37 return;
38
39 /* silence the sub-functions */
40 bIsShellDebug = TRACE_ON(shell);
41 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_shell, FALSE);
42 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_pidl, FALSE);
43
44 if (! pidltemp)
45 {
46 MESSAGE ("-------- pidl=NULL (Desktop)\n");
47 }
48 else
49 {
50 MESSAGE ("-------- pidl=%p\n", pidl);
51 if (pidltemp->mkid.cb)
52 {
53 do
54 {
55 DWORD dwAttrib = 0;
56 LPPIDLDATA pData = _ILGetDataPointer(pidltemp);
57 DWORD type = pData->type;
58 LPSTR szLongName = _ILGetTextPointer(pidltemp);
59 LPSTR szShortName = _ILGetSTextPointer(pidltemp);
60 char szName[MAX_PATH];
61
62 _ILSimpleGetText(pidltemp, szName, MAX_PATH);
63 if( PT_FOLDER == type)
64 dwAttrib = pData->u.folder.uFileAttribs;
65 else if( PT_VALUE == type)
66 dwAttrib = pData->u.file.uFileAttribs;
67
68 MESSAGE ("-- pidl=%p size=%u type=%lx attr=0x%08lx name=%s (%s,%s)\n",
69 pidltemp, pidltemp->mkid.cb,type,dwAttrib,szName,debugstr_a(szLongName), debugstr_a(szShortName));
70
71 pidltemp = ILGetNext(pidltemp);
72
73 } while (pidltemp->mkid.cb);
74 }
75 else
76 {
77 MESSAGE ("empty pidl (Desktop)\n");
78 }
79 pcheck(pidl);
80 }
81
82 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_shell, bIsShellDebug);
83 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_pidl, TRUE);
84
85}
86#endif
87#define BYTES_PRINTED 32
88BOOL pcheck (LPCITEMIDLIST pidl)
89{ DWORD type, ret=TRUE;
90 BOOL bIsPidlDebug;
91
92 LPITEMIDLIST pidltemp = pidl;
93
94 bIsPidlDebug = TRACE_ON(shell);
95 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_pidl, FALSE);
96
97 if (pidltemp && pidltemp->mkid.cb)
98 { do
99 { type = _ILGetDataPointer(pidltemp)->type;
100 switch (type)
101 { case PT_DESKTOP:
102 case PT_MYCOMP:
103 case PT_SPECIAL:
104 case PT_DRIVE:
105 case PT_DRIVE1:
106 case PT_DRIVE2:
107 case PT_DRIVE3:
108 case PT_FOLDER:
109 case PT_VALUE:
110 case PT_FOLDER1:
111 case PT_WORKGRP:
112 case PT_COMP:
113 case PT_NETWORK:
114 case PT_IESPECIAL1:
115 case PT_IESPECIAL2:
116 case PT_SHARE:
117 break;
118 default:
119 {
120 char szTemp[BYTES_PRINTED*4 + 1];
121 int i;
122 unsigned char c;
123
124 memset(szTemp, ' ', BYTES_PRINTED*4 + 1);
125 for ( i = 0; (i<pidltemp->mkid.cb) && (i<BYTES_PRINTED); i++)
126 {
127 c = ((unsigned char *)pidltemp)[i];
128
129 szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
130 szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
131 szTemp[i*3+2] = ' ';
132 szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.';
133 }
134 szTemp[BYTES_PRINTED*4] = 0x00;
135 ERR("unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
136 ret = FALSE;
137 }
138 }
139 pidltemp = ILGetNext(pidltemp);
140 } while (pidltemp->mkid.cb);
141 }
142 __SET_DEBUGGING(__DBCL_TRACE, __wine_dbch_pidl, bIsPidlDebug);
143 return ret;
144}
145
146/*************************************************************************
147 * ILGetDisplayName [SHELL32.15]
148 */
149BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
150{
151 TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path);
152 return SHGetPathFromIDListA(pidl, path);
153}
154/*************************************************************************
155 * ILFindLastID [SHELL32.16]
156 *
157 * NOTES
158 * observed: pidl=Desktop return=pidl
159 */
160LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
161{ LPITEMIDLIST pidlLast = pidl;
162
163 TRACE("(pidl=%p)\n",pidl);
164
165 while (pidl->mkid.cb)
166 {
167 pidlLast = pidl;
168 pidl = ILGetNext(pidl);
169 }
170 return pidlLast;
171}
172/*************************************************************************
173 * ILRemoveLastID [SHELL32.17]
174 *
175 * NOTES
176 * when pidl=Desktop return=FALSE
177 */
178BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
179{
180 TRACE_(shell)("pidl=%p\n",pidl);
181
182 if (!pidl || !pidl->mkid.cb)
183 return 0;
184 ILFindLastID(pidl)->mkid.cb = 0;
185 return 1;
186}
187
188/*************************************************************************
189 * ILClone [SHELL32.18]
190 *
191 * NOTES
192 * dupicate an idlist
193 */
194LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
195{ DWORD len;
196 LPITEMIDLIST newpidl;
197
198 if (!pidl)
199 return NULL;
200
201 len = ILGetSize(pidl);
202 newpidl = (LPITEMIDLIST)SHAlloc(len);
203 if (newpidl)
204 memcpy(newpidl,pidl,len);
205
206 TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
207 pdump(pidl);
208
209 return newpidl;
210}
211/*************************************************************************
212 * ILCloneFirst [SHELL32.19]
213 *
214 * NOTES
215 * duplicates the first idlist of a complex pidl
216 */
217LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
218{ DWORD len;
219 LPITEMIDLIST pidlNew = NULL;
220
221 TRACE("pidl=%p \n",pidl);
222 pdump(pidl);
223
224 if (pidl)
225 {
226 len = pidl->mkid.cb;
227 pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
228 if (pidlNew)
229 {
230 memcpy(pidlNew,pidl,len+2); /* 2 -> mind a desktop pidl */
231
232 if (len)
233 ILGetNext(pidlNew)->mkid.cb = 0x00;
234 }
235 }
236 TRACE("-- newpidl=%p\n",pidlNew);
237
238 return pidlNew;
239}
240
241/*************************************************************************
242 * ILLoadFromStream
243 *
244 * NOTES
245 * the first two bytes are the len, the pidl is following then
246 */
247HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
248{ WORD wLen = 0;
249 DWORD dwBytesRead;
250 HRESULT ret = E_FAIL;
251
252
253 TRACE_(shell)("%p %p\n", pStream , ppPidl);
254
255 if (*ppPidl)
256 { SHFree(*ppPidl);
257 *ppPidl = NULL;
258 }
259
260 IStream_AddRef (pStream);
261
262 if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
263 { *ppPidl = SHAlloc (wLen);
264 if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead)))
265 { ret = S_OK;
266 }
267 else
268 { SHFree(*ppPidl);
269 *ppPidl = NULL;
270 }
271 }
272
273 /* we are not yet fully compatible */
274 if (!pcheck(*ppPidl))
275 { SHFree(*ppPidl);
276 *ppPidl = NULL;
277 }
278
279
280 IStream_Release (pStream);
281
282 return ret;
283}
284
285/*************************************************************************
286 * ILSaveToStream
287 *
288 * NOTES
289 * the first two bytes are the len, the pidl is following then
290 */
291HRESULT WINAPI ILSaveToStream (IStream * pStream, LPCITEMIDLIST pPidl)
292{
293 LPITEMIDLIST pidl;
294 WORD wLen = 0;
295 HRESULT ret = E_FAIL;
296
297 TRACE_(shell)("%p %p\n", pStream, pPidl);
298
299 IStream_AddRef (pStream);
300
301 pidl = pPidl;
302 while (pidl->mkid.cb)
303 {
304 wLen += sizeof(WORD) + pidl->mkid.cb;
305 pidl = ILGetNext(pidl);
306 }
307
308 if (SUCCEEDED(IStream_Write(pStream, (LPVOID)&wLen, 2, NULL)))
309 {
310 if (SUCCEEDED(IStream_Write(pStream, pPidl, wLen, NULL)))
311 { ret = S_OK;
312 }
313 }
314
315
316 IStream_Release (pStream);
317
318 return ret;
319}
320
321/*************************************************************************
322 * SHILCreateFromPath [SHELL32.28]
323 *
324 * NOTES
325 * wraper for IShellFolder::ParseDisplayName()
326 */
327HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
328{ LPSHELLFOLDER sf;
329 WCHAR lpszDisplayName[MAX_PATH];
330 DWORD pchEaten;
331 HRESULT ret = E_FAIL;
332
333 TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0);
334
335 if (!MultiByteToWideChar( CP_ACP, 0, path, -1, lpszDisplayName, MAX_PATH ))
336 lpszDisplayName[MAX_PATH-1] = 0;
337
338 if (SUCCEEDED (SHGetDesktopFolder(&sf)))
339 {
340 ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes);
341 IShellFolder_Release(sf);
342 }
343 return ret;
344}
345HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
346{ LPSHELLFOLDER sf;
347 DWORD pchEaten;
348 HRESULT ret = E_FAIL;
349
350 TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0);
351
352 if (SUCCEEDED (SHGetDesktopFolder(&sf)))
353 {
354 ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes);
355 IShellFolder_Release(sf);
356 }
357 return ret;
358}
359HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
360{
361 if ( SHELL_OsIsUnicode())
362 return SHILCreateFromPathW (path, ppidl, attributes);
363 return SHILCreateFromPathA (path, ppidl, attributes);
364}
365
366/*************************************************************************
367 * SHCloneSpecialIDList [SHELL32.89]
368 *
369 * PARAMETERS
370 * hwndOwner [in]
371 * nFolder [in] CSIDL_xxxxx ??
372 *
373 * RETURNS
374 * pidl ??
375 * NOTES
376 * exported by ordinal
377 */
378LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
379{ LPITEMIDLIST ppidl;
380 WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n",
381 hwndOwner,nFolder,x3);
382
383 SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
384
385 return ppidl;
386}
387
388/*************************************************************************
389 * ILGlobalClone [SHELL32.97]
390 *
391 */
392LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
393{ DWORD len;
394 LPITEMIDLIST newpidl;
395
396 if (!pidl)
397 return NULL;
398
399 len = ILGetSize(pidl);
400 newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len);
401 if (newpidl)
402 memcpy(newpidl,pidl,len);
403
404 TRACE("pidl=%p newpidl=%p\n",pidl, newpidl);
405 pdump(pidl);
406
407 return newpidl;
408}
409
410/*************************************************************************
411 * ILIsEqual [SHELL32.21]
412 *
413 */
414BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
415{
416 char szData1[MAX_PATH];
417 char szData2[MAX_PATH];
418
419 LPITEMIDLIST pidltemp1 = pidl1;
420 LPITEMIDLIST pidltemp2 = pidl2;
421
422 TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
423
424 /* explorer reads from registry directly (StreamMRU),
425 so we can only check here */
426 if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
427
428 pdump (pidl1);
429 pdump (pidl2);
430
431 if ( (!pidl1) || (!pidl2) ) return FALSE;
432
433 while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
434 {
435 _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
436 _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
437
438 if (strcasecmp ( szData1, szData2 )!=0 )
439 return FALSE;
440
441 pidltemp1 = ILGetNext(pidltemp1);
442 pidltemp2 = ILGetNext(pidltemp2);
443 }
444
445 if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
446 {
447 return TRUE;
448 }
449
450 return FALSE;
451}
452/*************************************************************************
453 * ILIsParent [SHELL32.23]
454 *
455 * parent=a/b child=a/b/c -> true, c is in folder a/b
456 * child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b
457 * child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
458 */
459BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
460{
461 char szData1[MAX_PATH];
462 char szData2[MAX_PATH];
463
464 LPITEMIDLIST pParent = pidlParent;
465 LPITEMIDLIST pChild = pidlChild;
466
467 TRACE("%p %p %x\n", pidlParent, pidlChild, bImmediate);
468
469 while (pParent->mkid.cb && pChild->mkid.cb)
470 {
471 _ILSimpleGetText(pParent, szData1, MAX_PATH);
472 _ILSimpleGetText(pChild, szData2, MAX_PATH);
473
474 if (strcasecmp ( szData1, szData2 )!=0 )
475 return FALSE;
476
477 pParent = ILGetNext(pParent);
478 pChild = ILGetNext(pChild);
479 }
480
481 if ( pParent->mkid.cb || ! pChild->mkid.cb) /* child shorter or has equal length to parent */
482 return FALSE;
483
484 if ( ILGetNext(pChild)->mkid.cb && bImmediate) /* not immediate descent */
485 return FALSE;
486
487 return TRUE;
488}
489
490/*************************************************************************
491 * ILFindChild [SHELL32.24]
492 *
493 * NOTES
494 * Compares elements from pidl1 and pidl2.
495 *
496 * pidl1 is desktop pidl2
497 * pidl1 shorter pidl2 pointer to first different element of pidl2
498 * if there was at least one equal element
499 * pidl2 shorter pidl1 0
500 * pidl2 equal pidl1 pointer to last 0x00-element of pidl2
501 */
502LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
503{
504 char szData1[MAX_PATH];
505 char szData2[MAX_PATH];
506
507 LPITEMIDLIST pidltemp1 = pidl1;
508 LPITEMIDLIST pidltemp2 = pidl2;
509 LPITEMIDLIST ret=NULL;
510
511 TRACE("pidl1=%p pidl2=%p\n",pidl1, pidl2);
512
513 /* explorer reads from registry directly (StreamMRU),
514 so we can only check here */
515 if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
516 return FALSE;
517
518 pdump (pidl1);
519 pdump (pidl2);
520
521 if ( _ILIsDesktop(pidl1) )
522 {
523 ret = pidl2;
524 }
525 else
526 {
527 while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
528 {
529 _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
530 _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
531
532 if (strcasecmp(szData1,szData2))
533 break;
534
535 pidltemp1 = ILGetNext(pidltemp1);
536 pidltemp2 = ILGetNext(pidltemp2);
537 ret = pidltemp2;
538 }
539
540 if (pidltemp1->mkid.cb)
541 {
542 ret = NULL; /* elements of pidl1 left*/
543 }
544 }
545 TRACE_(shell)("--- %p\n", ret);
546 return ret; /* pidl 1 is shorter */
547}
548
549/*************************************************************************
550 * ILCombine [SHELL32.25]
551 *
552 * NOTES
553 * Concatenates two complex idlists.
554 * The pidl is the first one, pidlsub the next one
555 * Does not destroy the passed in idlists!
556 */
557LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
558{
559 DWORD len1,len2;
560 LPITEMIDLIST pidlNew;
561
562 TRACE("pidl=%p pidl=%p\n",pidl1,pidl2);
563
564 if(!pidl1 && !pidl2) return NULL;
565
566 pdump (pidl1);
567 pdump (pidl2);
568
569 if(!pidl1)
570 {
571 pidlNew = ILClone(pidl2);
572 return pidlNew;
573 }
574
575 if(!pidl2)
576 {
577 pidlNew = ILClone(pidl1);
578 return pidlNew;
579 }
580
581 len1 = ILGetSize(pidl1)-2;
582 len2 = ILGetSize(pidl2);
583 pidlNew = SHAlloc(len1+len2);
584
585 if (pidlNew)
586 {
587 memcpy(pidlNew,pidl1,len1);
588 memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
589 }
590
591 /* TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
592 return pidlNew;
593}
594/*************************************************************************
595 * SHGetRealIDL [SHELL32.98]
596 *
597 * NOTES
598 */
599LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
600{
601 FIXME("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
602
603 pdump (pidl);
604 return 0;
605}
606
607/*************************************************************************
608 * SHLogILFromFSIL [SHELL32.95]
609 *
610 * NOTES
611 * pild = CSIDL_DESKTOP ret = 0
612 * pild = CSIDL_DRIVES ret = 0
613 */
614LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
615{
616 FIXME("(pidl=%p)\n",pidl);
617
618 pdump(pidl);
619
620 return 0;
621}
622
623/*************************************************************************
624 * ILGetSize [SHELL32.152]
625 * gets the byte size of an idlist including zero terminator (pidl)
626 *
627 * PARAMETERS
628 * pidl ITEMIDLIST
629 *
630 * RETURNS
631 * size of pidl
632 *
633 * NOTES
634 * exported by ordinal
635 */
636DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
637{
638 LPSHITEMID si = &(pidl->mkid);
639 DWORD len=0;
640
641 if (pidl)
642 { while (si->cb)
643 { len += si->cb;
644 si = (LPSHITEMID)(((LPBYTE)si)+si->cb);
645 }
646 len += 2;
647 }
648 TRACE("pidl=%p size=%lu\n",pidl, len);
649 return len;
650}
651
652/*************************************************************************
653 * ILGetNext [SHELL32.153]
654 * gets the next simple pidl of a complex pidl
655 *
656 * observed return values:
657 * null -> null
658 * desktop -> null
659 * simple pidl -> pointer to 0x0000 element
660 *
661 */
662LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
663{
664 WORD len;
665
666 TRACE("(pidl=%p)\n",pidl);
667
668 if(pidl)
669 {
670 len = pidl->mkid.cb;
671 if (len)
672 {
673 pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
674 return pidl;
675 }
676 }
677 return NULL;
678}
679/*************************************************************************
680 * ILAppend [SHELL32.154]
681 *
682 * NOTES
683 * Adds the single item to the idlist indicated by pidl.
684 * if bEnd is 0, adds the item to the front of the list,
685 * otherwise adds the item to the end. (???)
686 * Destroys the passed in idlist! (???)
687 */
688LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
689{
690 LPITEMIDLIST idlRet;
691
692 WARN("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
693
694 pdump (pidl);
695 pdump (item);
696
697 if (_ILIsDesktop(pidl))
698 {
699 idlRet = ILClone(item);
700 if (pidl)
701 SHFree (pidl);
702 return idlRet;
703 }
704
705 if (bEnd)
706 {
707 idlRet=ILCombine(pidl,item);
708 }
709 else
710 {
711 idlRet=ILCombine(item,pidl);
712 }
713
714 SHFree(pidl);
715 return idlRet;
716}
717/*************************************************************************
718 * ILFree [SHELL32.155]
719 *
720 * NOTES
721 * free_check_ptr - frees memory (if not NULL)
722 * allocated by SHMalloc allocator
723 * exported by ordinal
724 */
725DWORD WINAPI ILFree(LPITEMIDLIST pidl)
726{
727 TRACE("(pidl=0x%08lx)\n",(DWORD)pidl);
728
729 if(!pidl) return FALSE;
730 SHFree(pidl);
731 return TRUE;
732}
733/*************************************************************************
734 * ILGlobalFree [SHELL32.156]
735 *
736 */
737void WINAPI ILGlobalFree( LPCITEMIDLIST pidl)
738{
739 TRACE("%p\n",pidl);
740
741 if(!pidl) return;
742 pCOMCTL32_Free(pidl);
743}
744/*************************************************************************
745 * ILCreateFromPath [SHELL32.157]
746 *
747 */
748LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
749{
750 LPITEMIDLIST pidlnew;
751 DWORD attributes = 0;
752
753 TRACE_(shell)("%s\n",path);
754
755 if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
756 return pidlnew;
757 return FALSE;
758}
759LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
760{
761 LPITEMIDLIST pidlnew;
762 DWORD attributes = 0;
763
764 TRACE_(shell)("%s\n",debugstr_w(path));
765
766 if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
767 return pidlnew;
768 return FALSE;
769}
770LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
771{
772 if ( SHELL_OsIsUnicode())
773 return ILCreateFromPathW (path);
774 return ILCreateFromPathA (path);
775}
776/*************************************************************************
777 * SHSimpleIDListFromPath [SHELL32.162]
778 */
779LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPCSTR lpszPath)
780{
781 LPITEMIDLIST pidl=NULL;
782 HANDLE hFile;
783 WIN32_FIND_DATAA stffile;
784
785 TRACE("path=%s\n", lpszPath);
786
787 if (!lpszPath) return NULL;
788
789 hFile = FindFirstFileA(lpszPath, &stffile);
790
791 if ( hFile != INVALID_HANDLE_VALUE )
792 {
793 if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
794 {
795 pidl = _ILCreateFolder (&stffile);
796 }
797 else
798 {
799 pidl = _ILCreateValue (&stffile);
800 }
801 FindClose (hFile);
802 }
803 return pidl;
804}
805LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPCWSTR lpszPath)
806{
807 char lpszTemp[MAX_PATH];
808 TRACE("path=%s\n",debugstr_w(lpszPath));
809
810 if (!WideCharToMultiByte( CP_ACP, 0, lpszPath, -1, lpszTemp, sizeof(lpszTemp), NULL, NULL ))
811 lpszTemp[sizeof(lpszTemp)-1] = 0;
812
813 return SHSimpleIDListFromPathA (lpszTemp);
814}
815
816LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPCVOID lpszPath)
817{
818 if ( SHELL_OsIsUnicode())
819 return SHSimpleIDListFromPathW (lpszPath);
820 return SHSimpleIDListFromPathA (lpszPath);
821}
822
823/*************************************************************************
824 * SHGetSpecialFolderLocation [SHELL32.223]
825 *
826 * gets the folder locations from the registry and creates a pidl
827 * creates missing reg keys and directorys
828 *
829 * PARAMS
830 * hwndOwner [I]
831 * nFolder [I] CSIDL_xxxxx
832 * ppidl [O] PIDL of a special folder
833 *
834 */
835HRESULT WINAPI SHGetSpecialFolderLocation(
836 HWND hwndOwner,
837 INT nFolder,
838 LPITEMIDLIST * ppidl)
839{
840 CHAR szPath[MAX_PATH];
841 HRESULT hr = E_INVALIDARG;
842
843 TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
844
845 if (ppidl)
846 {
847 *ppidl = NULL;
848 switch (nFolder)
849 {
850 case CSIDL_DESKTOP:
851 *ppidl = _ILCreateDesktop();
852 break;
853
854 case CSIDL_DRIVES:
855 *ppidl = _ILCreateMyComputer();
856 break;
857
858 case CSIDL_NETWORK:
859 *ppidl = _ILCreateNetwork ();
860 break;
861
862 case CSIDL_CONTROLS:
863 *ppidl = _ILCreateControl ();
864 break;
865
866 case CSIDL_PRINTERS:
867 *ppidl = _ILCreatePrinter ();
868 break;
869
870 case CSIDL_BITBUCKET:
871 *ppidl = _ILCreateBitBucket ();
872 break;
873
874 default:
875 if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
876 {
877 DWORD attributes=0;
878 TRACE_(shell)("Value=%s\n",szPath);
879 hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
880 }
881 }
882 if(*ppidl) hr = NOERROR;
883 }
884
885 TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
886 return hr;
887}
888
889/*************************************************************************
890 * SHGetFolderLocation [SHELL32]
891 *
892 * NOTES
893 * the pidl can be a simple one. since we cant get the path out of the pidl
894 * we have to take all data from the pidl
895 */
896HRESULT WINAPI SHGetFolderLocation(
897 HWND hwnd,
898 int csidl,
899 HANDLE hToken,
900 DWORD dwFlags,
901 LPITEMIDLIST *ppidl)
902{
903 FIXME("0x%04x 0x%08x 0x%08x 0x%08lx %p\n",
904 hwnd, csidl, hToken, dwFlags, ppidl);
905 return SHGetSpecialFolderLocation(hwnd, csidl, ppidl);
906}
907
908/*************************************************************************
909 * SHGetDataFromIDListA [SHELL32.247]
910 *
911 * NOTES
912 * the pidl can be a simple one. since we cant get the path out of the pidl
913 * we have to take all data from the pidl
914 */
915HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
916{
917 TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
918
919 pdump(pidl);
920 if (!psf || !dest ) return E_INVALIDARG;
921
922 switch (nFormat)
923 {
924 case SHGDFIL_FINDDATA:
925 {
926 WIN32_FIND_DATAA * pfd = dest;
927
928 if ( len < sizeof (WIN32_FIND_DATAA)) return E_INVALIDARG;
929
930 ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
931 _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
932 pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
933 pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
934 lstrcpynA(pfd->cFileName,_ILGetTextPointer(pidl), MAX_PATH);
935 lstrcpynA(pfd->cAlternateFileName,_ILGetSTextPointer(pidl), 14);
936 }
937 return NOERROR;
938
939 case SHGDFIL_NETRESOURCE:
940 case SHGDFIL_DESCRIPTIONID:
941 FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
942 break;
943
944 default:
945 ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
946 }
947
948 return E_INVALIDARG;
949}
950/*************************************************************************
951 * SHGetDataFromIDListW [SHELL32.247]
952 *
953 */
954HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
955{
956 TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
957
958 pdump(pidl);
959
960 if (! psf || !dest ) return E_INVALIDARG;
961
962 switch (nFormat)
963 {
964 case SHGDFIL_FINDDATA:
965 {
966 WIN32_FIND_DATAW * pfd = dest;
967
968 if ( len < sizeof (WIN32_FIND_DATAW)) return E_INVALIDARG;
969
970 ZeroMemory(pfd, sizeof (WIN32_FIND_DATAA));
971 _ILGetFileDateTime( pidl, &(pfd->ftLastWriteTime));
972 pfd->dwFileAttributes = _ILGetFileAttributes(pidl, NULL, 0);
973 pfd->nFileSizeLow = _ILGetFileSize ( pidl, NULL, 0);
974 if (!MultiByteToWideChar( CP_ACP, 0, _ILGetTextPointer(pidl), -1,
975 pfd->cFileName, MAX_PATH ))
976 pfd->cFileName[MAX_PATH-1] = 0;
977 if (!MultiByteToWideChar( CP_ACP, 0, _ILGetSTextPointer(pidl), -1,
978 pfd->cAlternateFileName, 14 ))
979 pfd->cFileName[13] = 0;
980 }
981 return NOERROR;
982 case SHGDFIL_NETRESOURCE:
983 case SHGDFIL_DESCRIPTIONID:
984 FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
985 break;
986
987 default:
988 ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
989 }
990
991 return E_INVALIDARG;
992}
993
994/*************************************************************************
995 * SHGetPathFromIDListA [SHELL32.261][NT 4.0: SHELL32.220]
996 *
997 * PARAMETERS
998 * pidl, [IN] pidl
999 * pszPath [OUT] path
1000 *
1001 * RETURNS
1002 * path from a passed PIDL.
1003 *
1004 * NOTES
1005 * NULL returns FALSE
1006 * desktop pidl gives path to desktopdirectory back
1007 * special pidls returning FALSE
1008 *
1009 * FIXME
1010 * fnGetDisplayNameOf can return different types of OLEString
1011 */
1012BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath)
1013{ STRRET str;
1014 LPSHELLFOLDER shellfolder;
1015
1016 TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1017
1018 if (!pidl) return FALSE;
1019
1020 pdump(pidl);
1021
1022 if(_ILIsDesktop(pidl))
1023 {
1024 SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE);
1025 }
1026 else if (_ILIsSpecialFolder(ILFindLastID(pidl)))
1027 {
1028 /* we are somewhere in a special folder */
1029 return FALSE;
1030 }
1031 else
1032 {
1033 if (SHGetDesktopFolder(&shellfolder)==S_OK)
1034 {
1035 IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str);
1036 StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
1037 IShellFolder_Release(shellfolder);
1038 }
1039 }
1040 TRACE_(shell)("-- (%s)\n",pszPath);
1041
1042 return TRUE;
1043}
1044/*************************************************************************
1045 * SHGetPathFromIDListW [SHELL32.262]
1046 */
1047BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath)
1048{ char sTemp[MAX_PATH];
1049
1050 TRACE_(shell)("(pidl=%p)\n", pidl);
1051
1052 SHGetPathFromIDListA (pidl, sTemp);
1053 MultiByteToWideChar( CP_ACP, 0, sTemp, -1, pszPath, MAX_PATH );
1054
1055 TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath));
1056
1057 return TRUE;
1058}
1059
1060/*************************************************************************
1061 * SHBindToParent [shell version 5.0]
1062 */
1063HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
1064{
1065 IShellFolder * psf;
1066 LPITEMIDLIST pidlChild, pidlParent;
1067 HRESULT hr=E_FAIL;
1068
1069 TRACE_(shell)("pidl=%p\n", pidl);
1070 pdump(pidl);
1071
1072 *ppv = NULL;
1073 if (ppidlLast) *ppidlLast = NULL;
1074
1075 if (_ILIsPidlSimple(pidl))
1076 {
1077 /* we are on desktop level */
1078 if (ppidlLast)
1079 *ppidlLast = ILClone(pidl);
1080 hr = SHGetDesktopFolder((IShellFolder**)ppv);
1081 }
1082 else
1083 {
1084 pidlChild = ILClone(ILFindLastID(pidl));
1085 pidlParent = ILClone(pidl);
1086 ILRemoveLastID(pidlParent);
1087
1088 hr = SHGetDesktopFolder(&psf);
1089
1090 if (SUCCEEDED(hr))
1091 hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
1092
1093 if (SUCCEEDED(hr) && ppidlLast)
1094 *ppidlLast = pidlChild;
1095 else
1096 ILFree (pidlChild);
1097
1098 SHFree (pidlParent);
1099 if (psf) IShellFolder_Release(psf);
1100 }
1101
1102
1103 TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
1104 return hr;
1105}
1106
1107/*************************************************************************
1108 * SHGetPathFromIDListAW [SHELL32.221][NT 4.0: SHELL32.219]
1109 */
1110BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
1111{
1112 TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
1113
1114 if (SHELL_OsIsUnicode())
1115 return SHGetPathFromIDListW(pidl,pszPath);
1116 return SHGetPathFromIDListA(pidl,pszPath);
1117}
1118
1119/**************************************************************************
1120 *
1121 * internal functions
1122 *
1123 * ### 1. section creating pidls ###
1124 *
1125 *************************************************************************
1126 * _ILCreateDesktop()
1127 * _ILCreateIExplore()
1128 * _ILCreateMyComputer()
1129 * _ILCreateDrive()
1130 * _ILCreateFolder()
1131 * _ILCreateValue()
1132 */
1133LPITEMIDLIST _ILCreateDesktop()
1134{ TRACE("()\n");
1135 return _ILCreate(PT_DESKTOP, NULL, 0);
1136}
1137
1138LPITEMIDLIST _ILCreateMyComputer()
1139{ TRACE("()\n");
1140 return _ILCreate(PT_MYCOMP, &CLSID_MyComputer, sizeof(GUID));
1141}
1142
1143LPITEMIDLIST _ILCreateIExplore()
1144{ TRACE("()\n");
1145 return _ILCreate(PT_MYCOMP, &CLSID_Internet, sizeof(GUID));
1146}
1147
1148LPITEMIDLIST _ILCreateControl()
1149{ TRACE("()\n");
1150 return _ILCreate(PT_SPECIAL, &CLSID_ControlPanel, sizeof(GUID));
1151}
1152
1153LPITEMIDLIST _ILCreatePrinter()
1154{ TRACE("()\n");
1155 return _ILCreate(PT_SPECIAL, &CLSID_Printers, sizeof(GUID));
1156}
1157
1158LPITEMIDLIST _ILCreateNetwork()
1159{ TRACE("()\n");
1160 return _ILCreate(PT_MYCOMP, &CLSID_NetworkPlaces, sizeof(GUID));
1161}
1162
1163LPITEMIDLIST _ILCreateBitBucket()
1164{ TRACE("()\n");
1165 return _ILCreate(PT_MYCOMP, &CLSID_RecycleBin, sizeof(GUID));
1166}
1167
1168LPITEMIDLIST _ILCreateDrive( LPCSTR lpszNew)
1169{ char sTemp[4];
1170 lstrcpynA (sTemp,lpszNew,4);
1171 sTemp[2]='\\';
1172 sTemp[3]=0x00;
1173 TRACE("(%s)\n",sTemp);
1174 return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
1175}
1176
1177LPITEMIDLIST _ILCreateFolder( WIN32_FIND_DATAA * stffile )
1178{
1179 char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1180 char * pbuff = buff;
1181 ULONG len, len1;
1182 LPITEMIDLIST pidl;
1183
1184 TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1185
1186 /* prepare buffer with both names */
1187 len = strlen (stffile->cFileName) + 1;
1188 memcpy (pbuff, stffile->cFileName, len);
1189 pbuff += len;
1190
1191 if (stffile->cAlternateFileName)
1192 {
1193 len1 = strlen (stffile->cAlternateFileName)+1;
1194 memcpy (pbuff, stffile->cAlternateFileName, len1);
1195 }
1196 else
1197 {
1198 len1 = 1;
1199 *pbuff = 0x00;
1200 }
1201
1202 pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
1203
1204 /* set attributes */
1205 if (pidl)
1206 {
1207 LPPIDLDATA pData;
1208 pData = _ILGetDataPointer(pidl);
1209 FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1210 pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1211 pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1212 }
1213
1214 return pidl;
1215}
1216
1217LPITEMIDLIST _ILCreateValue(WIN32_FIND_DATAA * stffile)
1218{
1219 char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1220 char * pbuff = buff;
1221 ULONG len, len1;
1222 LPITEMIDLIST pidl;
1223
1224 TRACE("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1225
1226 /* prepare buffer with both names */
1227 len = strlen (stffile->cFileName) + 1;
1228 memcpy (pbuff, stffile->cFileName, len);
1229 pbuff += len;
1230
1231 if (stffile->cAlternateFileName)
1232 {
1233 len1 = strlen (stffile->cAlternateFileName)+1;
1234 memcpy (pbuff, stffile->cAlternateFileName, len1);
1235 }
1236 else
1237 {
1238 len1 = 1;
1239 *pbuff = 0x00;
1240 }
1241
1242 pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
1243
1244 /* set attributes */
1245 if (pidl)
1246 {
1247 LPPIDLDATA pData;
1248 pData = _ILGetDataPointer(pidl);
1249 FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1250 pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1251 pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1252 }
1253
1254 return pidl;
1255}
1256
1257LPITEMIDLIST _ILCreateSpecial(LPCSTR szGUID)
1258{
1259 IID iid;
1260 WCHAR buffer[40];
1261
1262 if (!MultiByteToWideChar( CP_ACP, 0, szGUID, -1, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1263 return NULL;
1264 CLSIDFromString( buffer, &iid );
1265 return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
1266}
1267
1268/**************************************************************************
1269 * _ILCreate()
1270 * Creates a new PIDL
1271 * type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
1272 * pIn = data
1273 * uInSize = size of data (raw)
1274 */
1275
1276LPITEMIDLIST _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT uInSize)
1277{
1278 LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
1279 LPPIDLDATA pData;
1280 UINT uSize = 0;
1281 LPSTR pszDest;
1282
1283 TRACE("(0x%02x %p %i)\n",type,pIn,uInSize);
1284
1285 switch (type)
1286 {
1287 case PT_DESKTOP:
1288 uSize = 0;
1289 break;
1290 case PT_SPECIAL:
1291 case PT_MYCOMP:
1292 uSize = 2 + 2 + sizeof(GUID);
1293 break;
1294 case PT_DRIVE:
1295 uSize = 2 + 23;
1296 break;
1297 case PT_FOLDER:
1298 case PT_VALUE:
1299 uSize = 2 + 12 + uInSize;
1300 break;
1301 default:
1302 FIXME("can't create type: 0x%08x\n",type);
1303 return NULL;
1304 }
1305
1306 if(!(pidlOut = SHAlloc(uSize + 2))) return NULL;
1307 ZeroMemory(pidlOut, uSize + 2);
1308 pidlOut->mkid.cb = uSize;
1309
1310 switch (type)
1311 {
1312 case PT_DESKTOP:
1313 TRACE("- create Desktop\n");
1314 break;
1315
1316 case PT_SPECIAL:
1317 case PT_MYCOMP:
1318 pData =_ILGetDataPointer(pidlOut);
1319 pData->type = type;
1320 memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
1321 TRACE("- create GUID-pidl\n");
1322 break;
1323
1324 case PT_DRIVE:
1325 pData =_ILGetDataPointer(pidlOut);
1326 pData->type = type;
1327 pszDest = _ILGetTextPointer(pidlOut);
1328 memcpy(pszDest, pIn, uInSize);
1329 TRACE("- create Drive: %s\n",debugstr_a(pszDest));
1330 break;
1331
1332 case PT_FOLDER:
1333 case PT_VALUE:
1334 pData =_ILGetDataPointer(pidlOut);
1335 pData->type = type;
1336 pszDest = _ILGetTextPointer(pidlOut);
1337 memcpy(pszDest, pIn, uInSize);
1338 TRACE("- create Value: %s\n",debugstr_a(pszDest));
1339 break;
1340 }
1341
1342 pidlTemp = ILGetNext(pidlOut);
1343 if (pidlTemp)
1344 pidlTemp->mkid.cb = 0x00;
1345
1346 TRACE("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
1347 return pidlOut;
1348}
1349
1350/**************************************************************************
1351 * _ILGetDrive()
1352 *
1353 * Gets the text for the drive eg. 'c:\'
1354 *
1355 * RETURNS
1356 * strlen (lpszText)
1357 */
1358DWORD _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT uSize)
1359{ TRACE("(%p,%p,%u)\n",pidl,pOut,uSize);
1360
1361 if(_ILIsMyComputer(pidl))
1362 pidl = ILGetNext(pidl);
1363
1364 if (pidl && _ILIsDrive(pidl))
1365 return _ILSimpleGetText(pidl, pOut, uSize);
1366
1367 return 0;
1368}
1369
1370/**************************************************************************
1371 *
1372 * ### 2. section testing pidls ###
1373 *
1374 **************************************************************************
1375 * _ILIsDesktop()
1376 * _ILIsMyComputer()
1377 * _ILIsSpecialFolder()
1378 * _ILIsDrive()
1379 * _ILIsFolder()
1380 * _ILIsValue()
1381 * _ILIsPidlSimple()
1382 */
1383BOOL _ILIsDesktop(LPCITEMIDLIST pidl)
1384{ TRACE("(%p)\n",pidl);
1385 return ( !pidl || (pidl && pidl->mkid.cb == 0x00) );
1386}
1387
1388BOOL _ILIsMyComputer(LPCITEMIDLIST pidl)
1389{
1390 REFIID iid = _ILGetGUIDPointer(pidl);
1391
1392 TRACE("(%p)\n",pidl);
1393
1394 if (iid)
1395 return IsEqualIID(iid, &CLSID_MyComputer);
1396 return FALSE;
1397}
1398
1399BOOL _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1400{
1401 LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1402 TRACE("(%p)\n",pidl);
1403 return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
1404 (pidl && pidl->mkid.cb == 0x00)
1405 ));
1406}
1407
1408BOOL _ILIsDrive(LPCITEMIDLIST pidl)
1409{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1410 TRACE("(%p)\n",pidl);
1411 return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1412 PT_DRIVE1 == lpPData->type ||
1413 PT_DRIVE2 == lpPData->type ||
1414 PT_DRIVE3 == lpPData->type));
1415}
1416
1417BOOL _ILIsFolder(LPCITEMIDLIST pidl)
1418{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1419 TRACE("(%p)\n",pidl);
1420 return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1421}
1422
1423BOOL _ILIsValue(LPCITEMIDLIST pidl)
1424{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1425 TRACE("(%p)\n",pidl);
1426 return (pidl && lpPData && PT_VALUE == lpPData->type);
1427}
1428
1429/**************************************************************************
1430 * _ILIsPidlSimple
1431 */
1432BOOL _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1433{
1434 BOOL ret = TRUE;
1435
1436 if(! _ILIsDesktop(pidl)) /* pidl=NULL or mkid.cb=0 */
1437 {
1438 WORD len = pidl->mkid.cb;
1439 LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1440 if (pidlnext->mkid.cb)
1441 ret = FALSE;
1442 }
1443
1444 TRACE("%s\n", ret ? "Yes" : "No");
1445 return ret;
1446}
1447
1448/**************************************************************************
1449 *
1450 * ### 3. section getting values from pidls ###
1451 */
1452
1453 /**************************************************************************
1454 * _ILSimpleGetText
1455 *
1456 * gets the text for the first item in the pidl (eg. simple pidl)
1457 *
1458 * returns the length of the string
1459 */
1460DWORD _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1461{
1462 DWORD dwReturn=0;
1463 LPSTR szSrc;
1464 GUID const * riid;
1465 char szTemp[MAX_PATH];
1466
1467 TRACE("(%p %p %x)\n",pidl,szOut,uOutSize);
1468
1469 if (!pidl) return 0;
1470
1471 if (szOut)
1472 *szOut = 0;
1473
1474 if (_ILIsDesktop(pidl))
1475 {
1476 /* desktop */
1477 if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1478 {
1479 if (szOut)
1480 lstrcpynA(szOut, szTemp, uOutSize);
1481
1482 dwReturn = strlen (szTemp);
1483 }
1484 }
1485 else if (( szSrc = _ILGetTextPointer(pidl) ))
1486 {
1487 /* filesystem */
1488 if (szOut)
1489 lstrcpynA(szOut, szSrc, uOutSize);
1490
1491 dwReturn = strlen(szSrc);
1492 }
1493 else if (( riid = _ILGetGUIDPointer(pidl) ))
1494 {
1495 /* special folder */
1496 if ( HCR_GetClassName(riid, szTemp, MAX_PATH) )
1497 {
1498 if (szOut)
1499 lstrcpynA(szOut, szTemp, uOutSize);
1500
1501 dwReturn = strlen (szTemp);
1502 }
1503 }
1504 else
1505 {
1506 ERR("-- no text\n");
1507 }
1508
1509 TRACE("-- (%p=%s 0x%08lx)\n",szOut,(char*)szOut,dwReturn);
1510 return dwReturn;
1511}
1512
1513/**************************************************************************
1514 *
1515 * ### 4. getting pointers to parts of pidls ###
1516 *
1517 **************************************************************************
1518 * _ILGetDataPointer()
1519 */
1520LPPIDLDATA _ILGetDataPointer(LPITEMIDLIST pidl)
1521{
1522 if(pidl && pidl->mkid.cb != 0x00)
1523 return (LPPIDLDATA) &(pidl->mkid.abID);
1524 return NULL;
1525}
1526
1527/**************************************************************************
1528 * _ILGetTextPointer()
1529 * gets a pointer to the long filename string stored in the pidl
1530 */
1531LPSTR _ILGetTextPointer(LPCITEMIDLIST pidl)
1532{/* TRACE(pidl,"(pidl%p)\n", pidl);*/
1533
1534 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1535
1536 if (pdata)
1537 {
1538 switch (pdata->type)
1539 {
1540 case PT_MYCOMP:
1541 case PT_SPECIAL:
1542 return NULL;
1543
1544 case PT_DRIVE:
1545 case PT_DRIVE1:
1546 case PT_DRIVE2:
1547 case PT_DRIVE3:
1548 return (LPSTR)&(pdata->u.drive.szDriveName);
1549
1550 case PT_FOLDER:
1551 case PT_FOLDER1:
1552 case PT_VALUE:
1553 case PT_IESPECIAL1:
1554 case PT_IESPECIAL2:
1555 return (LPSTR)&(pdata->u.file.szNames);
1556
1557 case PT_WORKGRP:
1558 case PT_COMP:
1559 case PT_NETWORK:
1560 case PT_SHARE:
1561 return (LPSTR)&(pdata->u.network.szNames);
1562 }
1563 }
1564 return NULL;
1565}
1566
1567/**************************************************************************
1568 * _ILGetSTextPointer()
1569 * gets a pointer to the short filename string stored in the pidl
1570 */
1571LPSTR _ILGetSTextPointer(LPCITEMIDLIST pidl)
1572{/* TRACE(pidl,"(pidl%p)\n", pidl);*/
1573
1574 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1575
1576 if (pdata)
1577 {
1578 switch (pdata->type)
1579 {
1580 case PT_FOLDER:
1581 case PT_VALUE:
1582 case PT_IESPECIAL1:
1583 case PT_IESPECIAL2:
1584 return (LPSTR)(pdata->u.file.szNames + strlen (pdata->u.file.szNames) + 1);
1585
1586 case PT_WORKGRP:
1587 return (LPSTR)(pdata->u.network.szNames + strlen (pdata->u.network.szNames) + 1);
1588 }
1589 }
1590 return NULL;
1591}
1592
1593/**************************************************************************
1594 * _ILGetGUIDPointer()
1595 *
1596 * returns reference to guid stored in some pidls
1597 */
1598REFIID _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1599{
1600 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1601
1602 if (pdata)
1603 {
1604 switch (pdata->type)
1605 {
1606 case PT_SPECIAL:
1607 case PT_MYCOMP:
1608 return (REFIID) &(pdata->u.mycomp.guid);
1609 }
1610 }
1611 return NULL;
1612}
1613
1614/*************************************************************************
1615 * _ILGetFileDateTime
1616 *
1617 * Given the ItemIdList, get the FileTime
1618 *
1619 * PARAMS
1620 * pidl [I] The ItemIDList
1621 * pFt [I] the resulted FILETIME of the file
1622 *
1623 * RETURNS
1624 * True if Successful
1625 *
1626 * NOTES
1627 *
1628 */
1629BOOL _ILGetFileDateTime(LPCITEMIDLIST pidl, FILETIME *pFt)
1630{
1631 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1632
1633 if(! pdata) return FALSE;
1634
1635 switch (pdata->type)
1636 {
1637 case PT_FOLDER:
1638 DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, pFt);
1639 break;
1640 case PT_VALUE:
1641 DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, pFt);
1642 break;
1643 default:
1644 return FALSE;
1645 }
1646 return TRUE;
1647}
1648
1649BOOL _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1650{
1651 FILETIME ft,lft;
1652 SYSTEMTIME time;
1653
1654 if (! _ILGetFileDateTime( pidl, &ft )) return FALSE;
1655
1656 FileTimeToLocalFileTime(&ft, &lft);
1657 FileTimeToSystemTime (&lft, &time);
1658 return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL, pOut, uOutSize);
1659}
1660
1661/*************************************************************************
1662 * _ILGetFileSize
1663 *
1664 * Given the ItemIdList, get the FileSize
1665 *
1666 * PARAMS
1667 * pidl [I] The ItemIDList
1668 * pOut [I] The buffer to save the result
1669 * uOutsize [I] The size of the buffer
1670 *
1671 * RETURNS
1672 * The FileSize
1673 *
1674 * NOTES
1675 * pOut can be null when no string is needed
1676 *
1677 */
1678DWORD _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1679{
1680 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1681 DWORD dwSize;
1682
1683 if(! pdata) return 0;
1684
1685 switch (pdata->type)
1686 {
1687 case PT_VALUE:
1688 dwSize = pdata->u.file.dwFileSize;
1689 if (pOut) StrFormatByteSizeA(dwSize, pOut, uOutSize);
1690 return dwSize;
1691 }
1692 if (pOut) *pOut = 0x00;
1693 return 0;
1694}
1695
1696BOOL _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1697{
1698 char szTemp[MAX_PATH];
1699 const char * pPoint;
1700 LPITEMIDLIST pidlTemp=pidl;
1701
1702 TRACE("pidl=%p\n",pidl);
1703
1704 if (!pidl) return FALSE;
1705
1706 pidlTemp = ILFindLastID(pidl);
1707
1708 if (!_ILIsValue(pidlTemp)) return FALSE;
1709 if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
1710
1711 pPoint = PathFindExtensionA(szTemp);
1712
1713 if (! *pPoint) return FALSE;
1714
1715 pPoint++;
1716 lstrcpynA(pOut, pPoint, uOutSize);
1717 TRACE("%s\n",pOut);
1718
1719 return TRUE;
1720}
1721
1722/*************************************************************************
1723 * _ILGetFileType
1724 *
1725 * Given the ItemIdList, get the file type description
1726 *
1727 * PARAMS
1728 * pidl [I] The ItemIDList (simple)
1729 * pOut [I] The buffer to save the result
1730 * uOutsize [I] The size of the buffer
1731 *
1732 * RETURNS
1733 * nothing
1734 *
1735 * NOTES
1736 * This function copies as much as possible into the buffer.
1737 */
1738void _ILGetFileType(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1739{
1740 if(_ILIsValue(pidl))
1741 {
1742 char sTemp[64];
1743 if(uOutSize > 0)
1744 {
1745 pOut[0] = 0;
1746 }
1747 if (_ILGetExtension (pidl, sTemp, 64))
1748 {
1749 if (!( HCR_MapTypeToValue(sTemp, sTemp, 64, TRUE)
1750 && HCR_MapTypeToValue(sTemp, pOut, uOutSize, FALSE )))
1751 {
1752 lstrcpynA (pOut, sTemp, uOutSize - 6);
1753 strcat (pOut, "-file");
1754 }
1755 }
1756 }
1757 else
1758 {
1759 lstrcpynA(pOut, "Folder", uOutSize);
1760 }
1761}
1762
1763/*************************************************************************
1764 * _ILGetFileAttributes
1765 *
1766 * Given the ItemIdList, get the Attrib string format
1767 *
1768 * PARAMS
1769 * pidl [I] The ItemIDList
1770 * pOut [I] The buffer to save the result
1771 * uOutsize [I] The size of the Buffer
1772 *
1773 * RETURNS
1774 * Attributes
1775 *
1776 * FIXME
1777 * return value 0 in case of error is a valid return value
1778 *
1779 */
1780DWORD _ILGetFileAttributes(LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1781{
1782 LPPIDLDATA pData =_ILGetDataPointer(pidl);
1783 WORD wAttrib = 0;
1784 int i;
1785
1786 if(! pData) return 0;
1787
1788 switch(pData->type)
1789 {
1790 case PT_FOLDER:
1791 wAttrib = pData->u.folder.uFileAttribs;
1792 break;
1793 case PT_VALUE:
1794 wAttrib = pData->u.file.uFileAttribs;
1795 break;
1796 }
1797
1798 if(uOutSize >= 6)
1799 {
1800 i=0;
1801 if(wAttrib & FILE_ATTRIBUTE_READONLY)
1802 {
1803 pOut[i++] = 'R';
1804 }
1805 if(wAttrib & FILE_ATTRIBUTE_HIDDEN)
1806 {
1807 pOut[i++] = 'H';
1808 }
1809 if(wAttrib & FILE_ATTRIBUTE_SYSTEM)
1810 {
1811 pOut[i++] = 'S';
1812 }
1813 if(wAttrib & FILE_ATTRIBUTE_ARCHIVE)
1814 {
1815 pOut[i++] = 'A';
1816 }
1817 if(wAttrib & FILE_ATTRIBUTE_COMPRESSED)
1818 {
1819 pOut[i++] = 'C';
1820 }
1821 pOut[i] = 0x00;
1822 }
1823 return wAttrib;
1824}
1825
1826/*************************************************************************
1827* ILFreeaPidl
1828*
1829* free a aPidl struct
1830*/
1831void _ILFreeaPidl(LPITEMIDLIST * apidl, UINT cidl)
1832{
1833 int i;
1834
1835 if(apidl)
1836 {
1837 for(i = 0; i < cidl; i++) SHFree(apidl[i]);
1838 SHFree(apidl);
1839 }
1840}
1841
1842/*************************************************************************
1843* ILCopyaPidl
1844*
1845* copys a aPidl struct
1846*/
1847LPITEMIDLIST * _ILCopyaPidl(LPITEMIDLIST * apidlsrc, UINT cidl)
1848{
1849 int i;
1850 LPITEMIDLIST * apidldest = (LPITEMIDLIST*)SHAlloc(cidl * sizeof(LPITEMIDLIST));
1851 if(!apidlsrc) return NULL;
1852
1853 for(i = 0; i < cidl; i++)
1854 apidldest[i] = ILClone(apidlsrc[i]);
1855
1856 return apidldest;
1857}
1858
1859/*************************************************************************
1860* _ILCopyCidaToaPidl
1861*
1862* creates aPidl from CIDA
1863*/
1864LPITEMIDLIST * _ILCopyCidaToaPidl(LPITEMIDLIST* pidl, LPCIDA cida)
1865{
1866 int i;
1867 LPITEMIDLIST * dst = (LPITEMIDLIST*)SHAlloc(cida->cidl * sizeof(LPITEMIDLIST));
1868
1869 if(!dst) return NULL;
1870
1871 if (pidl)
1872 *pidl = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[0]]));
1873
1874 for(i = 0; i < cida->cidl; i++)
1875 dst[i] = ILClone((LPITEMIDLIST)(&((LPBYTE)cida)[cida->aoffset[i + 1]]));
1876
1877 return dst;
1878}
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