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[wine] / dlls / shell32 / shell32_main.c
1 /*
2  *                 Shell basics
3  *
4  * Copyright 1998 Marcus Meissner
5  * Copyright 1998 Juergen Schmied (jsch)  *  <juergen.schmied@metronet.de>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21
22 #include "config.h"
23
24 #include <stdlib.h>
25 #include <string.h>
26 #include <stdarg.h>
27 #include <stdio.h>
28
29 #define COBJMACROS
30
31 #include "windef.h"
32 #include "winbase.h"
33 #include "winerror.h"
34 #include "winreg.h"
35 #include "dlgs.h"
36 #include "shellapi.h"
37 #include "winuser.h"
38 #include "wingdi.h"
39 #include "shlobj.h"
40 #include "shlwapi.h"
41
42 #include "undocshell.h"
43 #include "pidl.h"
44 #include "shell32_main.h"
45 #include "version.h"
46 #include "shresdef.h"
47
48 #include "wine/debug.h"
49 #include "wine/unicode.h"
50
51 WINE_DEFAULT_DEBUG_CHANNEL(shell);
52
53 extern const char * const SHELL_Authors[];
54
55 #define MORE_DEBUG 1
56 /*************************************************************************
57  * CommandLineToArgvW            [SHELL32.@]
58  *
59  * We must interpret the quotes in the command line to rebuild the argv
60  * array correctly:
61  * - arguments are separated by spaces or tabs
62  * - quotes serve as optional argument delimiters
63  *   '"a b"'   -> 'a b'
64  * - escaped quotes must be converted back to '"'
65  *   '\"'      -> '"'
66  * - an odd number of '\'s followed by '"' correspond to half that number
67  *   of '\' followed by a '"' (extension of the above)
68  *   '\\\"'    -> '\"'
69  *   '\\\\\"'  -> '\\"'
70  * - an even number of '\'s followed by a '"' correspond to half that number
71  *   of '\', plus a regular quote serving as an argument delimiter (which
72  *   means it does not appear in the result)
73  *   'a\\"b c"'   -> 'a\b c'
74  *   'a\\\\"b c"' -> 'a\\b c'
75  * - '\' that are not followed by a '"' are copied literally
76  *   'a\b'     -> 'a\b'
77  *   'a\\b'    -> 'a\\b'
78  *
79  * Note:
80  * '\t' == 0x0009
81  * ' '  == 0x0020
82  * '"'  == 0x0022
83  * '\\' == 0x005c
84  */
85 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCmdline, int* numargs)
86 {
87     DWORD argc;
88     LPWSTR  *argv;
89     LPCWSTR cs;
90     LPWSTR arg,s,d;
91     LPWSTR cmdline;
92     int in_quotes,bcount;
93
94     if (*lpCmdline==0)
95     {
96         /* Return the path to the executable */
97         DWORD len, size=16;
98
99         argv=LocalAlloc(LMEM_FIXED, size);
100         for (;;)
101         {
102             len = GetModuleFileNameW(0, (LPWSTR)(argv+1), (size-sizeof(LPWSTR))/sizeof(WCHAR));
103             if (!len)
104             {
105                 LocalFree(argv);
106                 return NULL;
107             }
108             if (len < size) break;
109             size*=2;
110             argv=LocalReAlloc(argv, size, 0);
111         }
112         argv[0]=(LPWSTR)(argv+1);
113         if (numargs)
114             *numargs=1;
115
116         return argv;
117     }
118
119     /* to get a writable copy */
120     argc=0;
121     bcount=0;
122     in_quotes=0;
123     cs=lpCmdline;
124     while (1)
125     {
126         if (*cs==0 || ((*cs==0x0009 || *cs==0x0020) && !in_quotes))
127         {
128             /* space */
129             argc++;
130             /* skip the remaining spaces */
131             while (*cs==0x0009 || *cs==0x0020) {
132                 cs++;
133             }
134             if (*cs==0)
135                 break;
136             bcount=0;
137             continue;
138         }
139         else if (*cs==0x005c)
140         {
141             /* '\', count them */
142             bcount++;
143         }
144         else if ((*cs==0x0022) && ((bcount & 1)==0))
145         {
146             /* unescaped '"' */
147             in_quotes=!in_quotes;
148             bcount=0;
149         }
150         else
151         {
152             /* a regular character */
153             bcount=0;
154         }
155         cs++;
156     }
157     /* Allocate in a single lump, the string array, and the strings that go with it.
158      * This way the caller can make a single GlobalFree call to free both, as per MSDN.
159      */
160     argv=LocalAlloc(LMEM_FIXED, argc*sizeof(LPWSTR)+(strlenW(lpCmdline)+1)*sizeof(WCHAR));
161     if (!argv)
162         return NULL;
163     cmdline=(LPWSTR)(argv+argc);
164     strcpyW(cmdline, lpCmdline);
165
166     argc=0;
167     bcount=0;
168     in_quotes=0;
169     arg=d=s=cmdline;
170     while (*s)
171     {
172         if ((*s==0x0009 || *s==0x0020) && !in_quotes)
173         {
174             /* Close the argument and copy it */
175             *d=0;
176             argv[argc++]=arg;
177
178             /* skip the remaining spaces */
179             do {
180                 s++;
181             } while (*s==0x0009 || *s==0x0020);
182
183             /* Start with a new argument */
184             arg=d=s;
185             bcount=0;
186         }
187         else if (*s==0x005c)
188         {
189             /* '\\' */
190             *d++=*s++;
191             bcount++;
192         }
193         else if (*s==0x0022)
194         {
195             /* '"' */
196             if ((bcount & 1)==0)
197             {
198                 /* Preceded by an even number of '\', this is half that
199                  * number of '\', plus a quote which we erase.
200                  */
201                 d-=bcount/2;
202                 in_quotes=!in_quotes;
203                 s++;
204             }
205             else
206             {
207                 /* Preceded by an odd number of '\', this is half that
208                  * number of '\' followed by a '"'
209                  */
210                 d=d-bcount/2-1;
211                 *d++='"';
212                 s++;
213             }
214             bcount=0;
215         }
216         else
217         {
218             /* a regular character */
219             *d++=*s++;
220             bcount=0;
221         }
222     }
223     if (*arg)
224     {
225         *d='\0';
226         argv[argc++]=arg;
227     }
228     if (numargs)
229         *numargs=argc;
230
231     return argv;
232 }
233
234 static DWORD shgfi_get_exe_type(LPCWSTR szFullPath)
235 {
236     BOOL status = FALSE;
237     HANDLE hfile;
238     DWORD BinaryType;
239     IMAGE_DOS_HEADER mz_header;
240     IMAGE_NT_HEADERS nt;
241     DWORD len;
242     char magic[4];
243
244     status = GetBinaryTypeW (szFullPath, &BinaryType);
245     if (!status)
246         return 0;
247     if (BinaryType == SCS_DOS_BINARY || BinaryType == SCS_PIF_BINARY)
248         return 0x4d5a;
249
250     hfile = CreateFileW( szFullPath, GENERIC_READ, FILE_SHARE_READ,
251                          NULL, OPEN_EXISTING, 0, 0 );
252     if ( hfile == INVALID_HANDLE_VALUE )
253         return 0;
254
255     /*
256      * The next section is adapted from MODULE_GetBinaryType, as we need
257      * to examine the image header to get OS and version information. We
258      * know from calling GetBinaryTypeA that the image is valid and either
259      * an NE or PE, so much error handling can be omitted.
260      * Seek to the start of the file and read the header information.
261      */
262
263     SetFilePointer( hfile, 0, NULL, SEEK_SET );
264     ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
265
266     SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
267     ReadFile( hfile, magic, sizeof(magic), &len, NULL );
268     if ( *(DWORD*)magic == IMAGE_NT_SIGNATURE )
269     {
270         SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
271         ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
272         CloseHandle( hfile );
273         /* DLL files are not executable and should return 0 */
274         if (nt.FileHeader.Characteristics & IMAGE_FILE_DLL)
275             return 0;
276         if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI)
277         {
278              return IMAGE_NT_SIGNATURE | 
279                    (nt.OptionalHeader.MajorSubsystemVersion << 24) |
280                    (nt.OptionalHeader.MinorSubsystemVersion << 16);
281         }
282         return IMAGE_NT_SIGNATURE;
283     }
284     else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
285     {
286         IMAGE_OS2_HEADER ne;
287         SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
288         ReadFile( hfile, &ne, sizeof(ne), &len, NULL );
289         CloseHandle( hfile );
290         if (ne.ne_exetyp == 2)
291             return IMAGE_OS2_SIGNATURE | (ne.ne_expver << 16);
292         return 0;
293     }
294     CloseHandle( hfile );
295     return 0;
296 }
297
298 /*************************************************************************
299  * SHELL_IsShortcut             [internal]
300  *
301  * Decide if an item id list points to a shell shortcut
302  */
303 BOOL SHELL_IsShortcut(LPCITEMIDLIST pidlLast)
304 {
305     char szTemp[MAX_PATH];
306     HKEY keyCls;
307     BOOL ret = FALSE;
308
309     if (_ILGetExtension(pidlLast, szTemp, MAX_PATH) &&
310           HCR_MapTypeToValueA(szTemp, szTemp, MAX_PATH, TRUE))
311     {
312         if (ERROR_SUCCESS == RegOpenKeyExA(HKEY_CLASSES_ROOT, szTemp, 0, KEY_QUERY_VALUE, &keyCls))
313         {
314           if (ERROR_SUCCESS == RegQueryValueExA(keyCls, "IsShortcut", NULL, NULL, NULL, NULL))
315             ret = TRUE;
316
317           RegCloseKey(keyCls);
318         }
319     }
320
321     return ret;
322 }
323
324 #define SHGFI_KNOWN_FLAGS \
325     (SHGFI_SMALLICON | SHGFI_OPENICON | SHGFI_SHELLICONSIZE | SHGFI_PIDL | \
326      SHGFI_USEFILEATTRIBUTES | SHGFI_ADDOVERLAYS | SHGFI_OVERLAYINDEX | \
327      SHGFI_ICON | SHGFI_DISPLAYNAME | SHGFI_TYPENAME | SHGFI_ATTRIBUTES | \
328      SHGFI_ICONLOCATION | SHGFI_EXETYPE | SHGFI_SYSICONINDEX | \
329      SHGFI_LINKOVERLAY | SHGFI_SELECTED | SHGFI_ATTR_SPECIFIED)
330
331 /*************************************************************************
332  * SHGetFileInfoW            [SHELL32.@]
333  *
334  */
335 DWORD_PTR WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
336                                 SHFILEINFOW *psfi, UINT sizeofpsfi, UINT flags )
337 {
338     WCHAR szLocation[MAX_PATH], szFullPath[MAX_PATH];
339     int iIndex;
340     DWORD_PTR ret = TRUE;
341     DWORD dwAttributes = 0;
342     IShellFolder * psfParent = NULL;
343     IExtractIconW * pei = NULL;
344     LPITEMIDLIST    pidlLast = NULL, pidl = NULL;
345     HRESULT hr = S_OK;
346     BOOL IconNotYetLoaded=TRUE;
347     UINT uGilFlags = 0;
348
349     TRACE("%s fattr=0x%x sfi=%p(attr=0x%08x) size=0x%x flags=0x%x\n",
350           (flags & SHGFI_PIDL)? "pidl" : debugstr_w(path), dwFileAttributes,
351           psfi, psfi->dwAttributes, sizeofpsfi, flags);
352
353     /* windows initializes these values regardless of the flags */
354     if (psfi != NULL)
355     {
356         psfi->szDisplayName[0] = '\0';
357         psfi->szTypeName[0] = '\0';
358         psfi->iIcon = 0;
359     }
360
361     if (!(flags & SHGFI_PIDL))
362     {
363         /* SHGetFileInfo should work with absolute and relative paths */
364         if (PathIsRelativeW(path))
365         {
366             GetCurrentDirectoryW(MAX_PATH, szLocation);
367             PathCombineW(szFullPath, szLocation, path);
368         }
369         else
370         {
371             lstrcpynW(szFullPath, path, MAX_PATH);
372         }
373     }
374
375     if (flags & SHGFI_EXETYPE)
376     {
377         if (flags != SHGFI_EXETYPE)
378             return 0;
379         return shgfi_get_exe_type(szFullPath);
380     }
381
382     /*
383      * psfi is NULL normally to query EXE type. If it is NULL, none of the
384      * below makes sense anyway. Windows allows this and just returns FALSE
385      */
386     if (psfi == NULL)
387         return FALSE;
388
389     /*
390      * translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES
391      * is not specified.
392      * The pidl functions fail on not existing file names
393      */
394
395     if (flags & SHGFI_PIDL)
396     {
397         pidl = ILClone((LPCITEMIDLIST)path);
398     }
399     else if (!(flags & SHGFI_USEFILEATTRIBUTES))
400     {
401         hr = SHILCreateFromPathW(szFullPath, &pidl, &dwAttributes);
402     }
403
404     if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
405     {
406         /* get the parent shellfolder */
407         if (pidl)
408         {
409             hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent,
410                                 (LPCITEMIDLIST*)&pidlLast );
411             if (SUCCEEDED(hr))
412                 pidlLast = ILClone(pidlLast);
413             ILFree(pidl);
414         }
415         else
416         {
417             ERR("pidl is null!\n");
418             return FALSE;
419         }
420     }
421
422     /* get the attributes of the child */
423     if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
424     {
425         if (!(flags & SHGFI_ATTR_SPECIFIED))
426         {
427             psfi->dwAttributes = 0xffffffff;
428         }
429         if (psfParent)
430             IShellFolder_GetAttributesOf( psfParent, 1, (LPCITEMIDLIST*)&pidlLast,
431                                       &(psfi->dwAttributes) );
432     }
433
434     /* get the displayname */
435     if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
436     {
437         if (flags & SHGFI_USEFILEATTRIBUTES)
438         {
439             lstrcpyW (psfi->szDisplayName, PathFindFileNameW(szFullPath));
440         }
441         else
442         {
443             STRRET str;
444             hr = IShellFolder_GetDisplayNameOf( psfParent, pidlLast,
445                                                 SHGDN_INFOLDER, &str);
446             StrRetToStrNW (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
447         }
448     }
449
450     /* get the type name */
451     if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
452     {
453         static const WCHAR szFile[] = { 'F','i','l','e',0 };
454         static const WCHAR szDashFile[] = { '-','f','i','l','e',0 };
455
456         if (!(flags & SHGFI_USEFILEATTRIBUTES))
457         {
458             char ftype[80];
459
460             _ILGetFileType(pidlLast, ftype, 80);
461             MultiByteToWideChar(CP_ACP, 0, ftype, -1, psfi->szTypeName, 80 );
462         }
463         else
464         {
465             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
466                 strcatW (psfi->szTypeName, szFile);
467             else 
468             {
469                 WCHAR sTemp[64];
470
471                 lstrcpyW(sTemp,PathFindExtensionW(szFullPath));
472                 if (!( HCR_MapTypeToValueW(sTemp, sTemp, 64, TRUE) &&
473                     HCR_MapTypeToValueW(sTemp, psfi->szTypeName, 80, FALSE )))
474                 {
475                     lstrcpynW (psfi->szTypeName, sTemp, 64);
476                     strcatW (psfi->szTypeName, szDashFile);
477                 }
478             }
479         }
480     }
481
482     /* ### icons ###*/
483     if (flags & SHGFI_OPENICON)
484         uGilFlags |= GIL_OPENICON;
485
486     if (flags & SHGFI_LINKOVERLAY)
487         uGilFlags |= GIL_FORSHORTCUT;
488     else if ((flags&SHGFI_ADDOVERLAYS) ||
489              (flags&(SHGFI_ICON|SHGFI_SMALLICON))==SHGFI_ICON)
490     {
491         if (SHELL_IsShortcut(pidlLast))
492             uGilFlags |= GIL_FORSHORTCUT;
493     }
494
495     if (flags & SHGFI_OVERLAYINDEX)
496         FIXME("SHGFI_OVERLAYINDEX unhandled\n");
497
498     if (flags & SHGFI_SELECTED)
499         FIXME("set icon to selected, stub\n");
500
501     if (flags & SHGFI_SHELLICONSIZE)
502         FIXME("set icon to shell size, stub\n");
503
504     /* get the iconlocation */
505     if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
506     {
507         UINT uDummy,uFlags;
508
509         if (flags & SHGFI_USEFILEATTRIBUTES)
510         {
511             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
512             {
513                 lstrcpyW(psfi->szDisplayName, swShell32Name);
514                 psfi->iIcon = -IDI_SHELL_FOLDER;
515             }
516             else
517             {
518                 WCHAR* szExt;
519                 static const WCHAR p1W[] = {'%','1',0};
520                 WCHAR sTemp [MAX_PATH];
521
522                 szExt = PathFindExtensionW(szFullPath);
523                 TRACE("szExt=%s\n", debugstr_w(szExt));
524                 if ( szExt &&
525                      HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
526                      HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &psfi->iIcon))
527                 {
528                     if (lstrcmpW(p1W, sTemp))
529                         strcpyW(psfi->szDisplayName, sTemp);
530                     else
531                     {
532                         /* the icon is in the file */
533                         strcpyW(psfi->szDisplayName, szFullPath);
534                     }
535                 }
536                 else
537                     ret = FALSE;
538             }
539         }
540         else
541         {
542             hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1,
543                 (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconW,
544                 &uDummy, (LPVOID*)&pei);
545             if (SUCCEEDED(hr))
546             {
547                 hr = IExtractIconW_GetIconLocation(pei, uGilFlags,
548                     szLocation, MAX_PATH, &iIndex, &uFlags);
549
550                 if (uFlags & GIL_NOTFILENAME)
551                     ret = FALSE;
552                 else
553                 {
554                     lstrcpyW (psfi->szDisplayName, szLocation);
555                     psfi->iIcon = iIndex;
556                 }
557                 IExtractIconW_Release(pei);
558             }
559         }
560     }
561
562     /* get icon index (or load icon)*/
563     if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
564     {
565         if (flags & SHGFI_USEFILEATTRIBUTES)
566         {
567             WCHAR sTemp [MAX_PATH];
568             WCHAR * szExt;
569             int icon_idx=0;
570
571             lstrcpynW(sTemp, szFullPath, MAX_PATH);
572
573             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
574                 psfi->iIcon = SIC_GetIconIndex(swShell32Name, -IDI_SHELL_FOLDER, 0);
575             else
576             {
577                 static const WCHAR p1W[] = {'%','1',0};
578
579                 psfi->iIcon = 0;
580                 szExt = PathFindExtensionW(sTemp);
581                 if ( szExt &&
582                      HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
583                      HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &icon_idx))
584                 {
585                     if (!lstrcmpW(p1W,sTemp))            /* icon is in the file */
586                         strcpyW(sTemp, szFullPath);
587
588                     if (flags & SHGFI_SYSICONINDEX) 
589                     {
590                         psfi->iIcon = SIC_GetIconIndex(sTemp,icon_idx,0);
591                         if (psfi->iIcon == -1)
592                             psfi->iIcon = 0;
593                     }
594                     else 
595                     {
596                         UINT ret;
597                         if (flags & SHGFI_SMALLICON)
598                             ret = PrivateExtractIconsW( sTemp,icon_idx,
599                                 GetSystemMetrics( SM_CXSMICON ),
600                                 GetSystemMetrics( SM_CYSMICON ),
601                                 &psfi->hIcon, 0, 1, 0);
602                         else
603                             ret = PrivateExtractIconsW( sTemp, icon_idx,
604                                 GetSystemMetrics( SM_CXICON),
605                                 GetSystemMetrics( SM_CYICON),
606                                 &psfi->hIcon, 0, 1, 0);
607                         if (ret != 0 && ret != 0xFFFFFFFF)
608                         {
609                             IconNotYetLoaded=FALSE;
610                             psfi->iIcon = icon_idx;
611                         }
612                     }
613                 }
614             }
615         }
616         else
617         {
618             if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
619                 uGilFlags, &(psfi->iIcon))))
620             {
621                 ret = FALSE;
622             }
623         }
624         if (ret && (flags & SHGFI_SYSICONINDEX))
625         {
626             if (flags & SHGFI_SMALLICON)
627                 ret = (DWORD_PTR) ShellSmallIconList;
628             else
629                 ret = (DWORD_PTR) ShellBigIconList;
630         }
631     }
632
633     /* icon handle */
634     if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
635     {
636         if (flags & SHGFI_SMALLICON)
637             psfi->hIcon = ImageList_GetIcon( ShellSmallIconList, psfi->iIcon, ILD_NORMAL);
638         else
639             psfi->hIcon = ImageList_GetIcon( ShellBigIconList, psfi->iIcon, ILD_NORMAL);
640     }
641
642     if (flags & ~SHGFI_KNOWN_FLAGS)
643         FIXME("unknown flags %08x\n", flags & ~SHGFI_KNOWN_FLAGS);
644
645     if (psfParent)
646         IShellFolder_Release(psfParent);
647
648     if (hr != S_OK)
649         ret = FALSE;
650
651     SHFree(pidlLast);
652
653 #ifdef MORE_DEBUG
654     TRACE ("icon=%p index=0x%08x attr=0x%08x name=%s type=%s ret=0x%08lx\n",
655            psfi->hIcon, psfi->iIcon, psfi->dwAttributes,
656            debugstr_w(psfi->szDisplayName), debugstr_w(psfi->szTypeName), ret);
657 #endif
658
659     return ret;
660 }
661
662 /*************************************************************************
663  * SHGetFileInfoA            [SHELL32.@]
664  *
665  * Note:
666  *    MSVBVM60.__vbaNew2 expects this function to return a value in range
667  *    1 .. 0x7fff when the function succeeds and flags does not contain
668  *    SHGFI_EXETYPE or SHGFI_SYSICONINDEX (see bug 7701)
669  */
670 DWORD_PTR WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
671                                 SHFILEINFOA *psfi, UINT sizeofpsfi,
672                                 UINT flags )
673 {
674     INT len;
675     LPWSTR temppath = NULL;
676     LPCWSTR pathW;
677     DWORD ret;
678     SHFILEINFOW temppsfi;
679
680     if (flags & SHGFI_PIDL)
681     {
682         /* path contains a pidl */
683         pathW = (LPCWSTR)path;
684     }
685     else
686     {
687         len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
688         temppath = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
689         MultiByteToWideChar(CP_ACP, 0, path, -1, temppath, len);
690         pathW = temppath;
691     }
692
693     if (psfi && (flags & SHGFI_ATTR_SPECIFIED))
694         temppsfi.dwAttributes=psfi->dwAttributes;
695
696     if (psfi == NULL)
697         ret = SHGetFileInfoW(pathW, dwFileAttributes, NULL, sizeof(temppsfi), flags);
698     else
699         ret = SHGetFileInfoW(pathW, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
700
701     if (psfi)
702     {
703         if(flags & SHGFI_ICON)
704             psfi->hIcon=temppsfi.hIcon;
705         if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
706             psfi->iIcon=temppsfi.iIcon;
707         if(flags & SHGFI_ATTRIBUTES)
708             psfi->dwAttributes=temppsfi.dwAttributes;
709         if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
710         {
711             WideCharToMultiByte(CP_ACP, 0, temppsfi.szDisplayName, -1,
712                   psfi->szDisplayName, sizeof(psfi->szDisplayName), NULL, NULL);
713         }
714         if(flags & SHGFI_TYPENAME)
715         {
716             WideCharToMultiByte(CP_ACP, 0, temppsfi.szTypeName, -1,
717                   psfi->szTypeName, sizeof(psfi->szTypeName), NULL, NULL);
718         }
719     }
720
721     HeapFree(GetProcessHeap(), 0, temppath);
722
723     return ret;
724 }
725
726 /*************************************************************************
727  * DuplicateIcon            [SHELL32.@]
728  */
729 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
730 {
731     ICONINFO IconInfo;
732     HICON hDupIcon = 0;
733
734     TRACE("%p %p\n", hInstance, hIcon);
735
736     if (GetIconInfo(hIcon, &IconInfo))
737     {
738         hDupIcon = CreateIconIndirect(&IconInfo);
739
740         /* clean up hbmMask and hbmColor */
741         DeleteObject(IconInfo.hbmMask);
742         DeleteObject(IconInfo.hbmColor);
743     }
744
745     return hDupIcon;
746 }
747
748 /*************************************************************************
749  * ExtractIconA                [SHELL32.@]
750  */
751 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
752 {   
753     HICON ret;
754     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
755     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
756
757     TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
758
759     MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
760     ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
761     HeapFree(GetProcessHeap(), 0, lpwstrFile);
762
763     return ret;
764 }
765
766 /*************************************************************************
767  * ExtractIconW                [SHELL32.@]
768  */
769 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
770 {
771     HICON  hIcon = NULL;
772     UINT ret;
773     UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
774
775     TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
776
777     if (nIconIndex == 0xFFFFFFFF)
778     {
779         ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
780         if (ret != 0xFFFFFFFF && ret)
781             return (HICON)(UINT_PTR)ret;
782         return NULL;
783     }
784     else
785         ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
786
787     if (ret == 0xFFFFFFFF)
788         return (HICON)1;
789     else if (ret > 0 && hIcon)
790         return hIcon;
791
792     return NULL;
793 }
794
795 /*************************************************************************
796  * Printer_LoadIconsW        [SHELL32.205]
797  */
798 VOID WINAPI Printer_LoadIconsW(LPCWSTR wsPrinterName, HICON * pLargeIcon, HICON * pSmallIcon)
799 {
800     INT iconindex=IDI_SHELL_PRINTER;
801
802     TRACE("(%s, %p, %p)\n", debugstr_w(wsPrinterName), pLargeIcon, pSmallIcon);
803
804     /* We should check if wsPrinterName is
805        1. the Default Printer or not
806        2. connected or not
807        3. a Local Printer or a Network-Printer
808        and use different Icons
809     */
810     if((wsPrinterName != NULL) && (wsPrinterName[0] != 0))
811     {
812         FIXME("(select Icon by PrinterName %s not implemented)\n", debugstr_w(wsPrinterName));
813     }
814
815     if(pLargeIcon != NULL)
816         *pLargeIcon = LoadImageW(shell32_hInstance,
817                                  (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
818                                  0, 0, LR_DEFAULTCOLOR|LR_DEFAULTSIZE);
819
820     if(pSmallIcon != NULL)
821         *pSmallIcon = LoadImageW(shell32_hInstance,
822                                  (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
823                                  16, 16, LR_DEFAULTCOLOR);
824 }
825
826 /*************************************************************************
827  * Printers_RegisterWindowW        [SHELL32.213]
828  * used by "printui.dll":
829  * find the Window of the given Type for the specific Printer and 
830  * return the already existent hwnd or open a new window
831  */
832 BOOL WINAPI Printers_RegisterWindowW(LPCWSTR wsPrinter, DWORD dwType,
833             HANDLE * phClassPidl, HWND * phwnd)
834 {
835     FIXME("(%s, %x, %p (%p), %p (%p)) stub!\n", debugstr_w(wsPrinter), dwType,
836                 phClassPidl, (phClassPidl != NULL) ? *(phClassPidl) : NULL,
837                 phwnd, (phwnd != NULL) ? *(phwnd) : NULL);
838
839     return FALSE;
840
841
842 /*************************************************************************
843  * Printers_UnregisterWindow      [SHELL32.214]
844  */
845 VOID WINAPI Printers_UnregisterWindow(HANDLE hClassPidl, HWND hwnd)
846 {
847     FIXME("(%p, %p) stub!\n", hClassPidl, hwnd);
848
849
850 /*************************************************************************/
851
852 typedef struct
853 {
854     LPCWSTR  szApp;
855     LPCWSTR  szOtherStuff;
856     HICON hIcon;
857     HFONT hFont;
858 } ABOUT_INFO;
859
860 #define DROP_FIELD_TOP    (-12)
861
862 static void paint_dropline( HDC hdc, HWND hWnd )
863 {
864     HWND hWndCtl = GetDlgItem(hWnd, IDC_ABOUT_WINE_TEXT);
865     RECT rect;
866
867     if (!hWndCtl) return;
868     GetWindowRect( hWndCtl, &rect );
869     MapWindowPoints( 0, hWnd, (LPPOINT)&rect, 2 );
870     rect.top += DROP_FIELD_TOP;
871     rect.bottom = rect.top + 2;
872     DrawEdge( hdc, &rect, BDR_SUNKENOUTER, BF_RECT );
873 }
874
875 /*************************************************************************
876  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
877  *
878  */
879 DWORD WINAPI SHHelpShortcuts_RunDLLA(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
880 {
881     FIXME("(%x, %x, %x, %x) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
882     return 0;
883 }
884
885 /*************************************************************************
886  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
887  *
888  */
889 DWORD WINAPI SHHelpShortcuts_RunDLLW(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
890 {
891     FIXME("(%x, %x, %x, %x) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
892     return 0;
893 }
894
895 /*************************************************************************
896  * SHLoadInProc                [SHELL32.@]
897  * Create an instance of specified object class from within
898  * the shell process and release it immediately
899  */
900 HRESULT WINAPI SHLoadInProc (REFCLSID rclsid)
901 {
902     void *ptr = NULL;
903
904     TRACE("%s\n", debugstr_guid(rclsid));
905
906     CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,&ptr);
907     if(ptr)
908     {
909         IUnknown * pUnk = ptr;
910         IUnknown_Release(pUnk);
911         return NOERROR;
912     }
913     return DISP_E_MEMBERNOTFOUND;
914 }
915
916 /*************************************************************************
917  * AboutDlgProc            (internal)
918  */
919 static INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
920                                       LPARAM lParam )
921 {
922     HWND hWndCtl;
923
924     TRACE("\n");
925
926     switch(msg)
927     {
928     case WM_INITDIALOG:
929         {
930             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
931             WCHAR template[512], buffer[512], version[64];
932             extern const char *wine_get_build_id(void);
933
934             if (info)
935             {
936                 const char* const *pstr = SHELL_Authors;
937                 SendDlgItemMessageW(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
938                 GetWindowTextW( hWnd, template, sizeof(template)/sizeof(WCHAR) );
939                 sprintfW( buffer, template, info->szApp );
940                 SetWindowTextW( hWnd, buffer );
941                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT1), info->szApp );
942                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT2), info->szOtherStuff );
943                 GetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT3),
944                                 template, sizeof(template)/sizeof(WCHAR) );
945                 MultiByteToWideChar( CP_UTF8, 0, wine_get_build_id(), -1,
946                                      version, sizeof(version)/sizeof(WCHAR) );
947                 sprintfW( buffer, template, version );
948                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT3), buffer );
949                 hWndCtl = GetDlgItem(hWnd, IDC_ABOUT_LISTBOX);
950                 SendMessageW( hWndCtl, WM_SETREDRAW, 0, 0 );
951                 SendMessageW( hWndCtl, WM_SETFONT, (WPARAM)info->hFont, 0 );
952                 while (*pstr)
953                 {
954                     /* authors list is in utf-8 format */
955                     MultiByteToWideChar( CP_UTF8, 0, *pstr, -1, buffer, sizeof(buffer)/sizeof(WCHAR) );
956                     SendMessageW( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)buffer );
957                     pstr++;
958                 }
959                 SendMessageW( hWndCtl, WM_SETREDRAW, 1, 0 );
960             }
961         }
962         return 1;
963
964     case WM_PAINT:
965         {
966             PAINTSTRUCT ps;
967             HDC hDC = BeginPaint( hWnd, &ps );
968             paint_dropline( hDC, hWnd );
969             EndPaint( hWnd, &ps );
970         }
971     break;
972
973     case WM_COMMAND:
974         if (wParam == IDOK || wParam == IDCANCEL)
975         {
976             EndDialog(hWnd, TRUE);
977             return TRUE;
978         }
979         if (wParam == IDC_ABOUT_LICENSE)
980         {
981             MSGBOXPARAMSW params;
982
983             params.cbSize = sizeof(params);
984             params.hwndOwner = hWnd;
985             params.hInstance = shell32_hInstance;
986             params.lpszText = MAKEINTRESOURCEW(IDS_LICENSE);
987             params.lpszCaption = MAKEINTRESOURCEW(IDS_LICENSE_CAPTION);
988             params.dwStyle = MB_ICONINFORMATION | MB_OK;
989             params.lpszIcon = 0;
990             params.dwContextHelpId = 0;
991             params.lpfnMsgBoxCallback = NULL;
992             params.dwLanguageId = LANG_NEUTRAL;
993             MessageBoxIndirectW( &params );
994         }
995         break;
996     case WM_CLOSE:
997       EndDialog(hWnd, TRUE);
998       break;
999     }
1000
1001     return 0;
1002 }
1003
1004
1005 /*************************************************************************
1006  * ShellAboutA                [SHELL32.288]
1007  */
1008 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON hIcon )
1009 {
1010     BOOL ret;
1011     LPWSTR appW = NULL, otherW = NULL;
1012     int len;
1013
1014     if (szApp)
1015     {
1016         len = MultiByteToWideChar(CP_ACP, 0, szApp, -1, NULL, 0);
1017         appW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1018         MultiByteToWideChar(CP_ACP, 0, szApp, -1, appW, len);
1019     }
1020     if (szOtherStuff)
1021     {
1022         len = MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, NULL, 0);
1023         otherW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1024         MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, otherW, len);
1025     }
1026
1027     ret = ShellAboutW(hWnd, appW, otherW, hIcon);
1028
1029     HeapFree(GetProcessHeap(), 0, otherW);
1030     HeapFree(GetProcessHeap(), 0, appW);
1031     return ret;
1032 }
1033
1034
1035 /*************************************************************************
1036  * ShellAboutW                [SHELL32.289]
1037  */
1038 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
1039                              HICON hIcon )
1040 {
1041     ABOUT_INFO info;
1042     LOGFONTW logFont;
1043     HRSRC hRes;
1044     LPVOID template;
1045     BOOL bRet;
1046     static const WCHAR wszSHELL_ABOUT_MSGBOX[] =
1047         {'S','H','E','L','L','_','A','B','O','U','T','_','M','S','G','B','O','X',0};
1048
1049     TRACE("\n");
1050
1051     if(!(hRes = FindResourceW(shell32_hInstance, wszSHELL_ABOUT_MSGBOX, (LPWSTR)RT_DIALOG)))
1052         return FALSE;
1053     if(!(template = LoadResource(shell32_hInstance, hRes)))
1054         return FALSE;
1055     if (!hIcon) hIcon = LoadImageW( 0, (LPWSTR)IDI_WINLOGO, IMAGE_ICON, 48, 48, LR_SHARED );
1056     info.szApp        = szApp;
1057     info.szOtherStuff = szOtherStuff;
1058     info.hIcon        = hIcon;
1059
1060     SystemParametersInfoW( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
1061     info.hFont = CreateFontIndirectW( &logFont );
1062
1063     bRet = DialogBoxIndirectParamW((HINSTANCE)GetWindowLongPtrW( hWnd, GWLP_HINSTANCE ),
1064                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
1065     DeleteObject(info.hFont);
1066     return bRet;
1067 }
1068
1069 /*************************************************************************
1070  * FreeIconList (SHELL32.@)
1071  */
1072 void WINAPI FreeIconList( DWORD dw )
1073 {
1074     FIXME("%x: stub\n",dw);
1075 }
1076
1077 /*************************************************************************
1078  * SHLoadNonloadedIconOverlayIdentifiers (SHELL32.@)
1079  */
1080 HRESULT WINAPI SHLoadNonloadedIconOverlayIdentifiers( VOID )
1081 {
1082     FIXME("stub\n");
1083     return S_OK;
1084 }
1085
1086 /***********************************************************************
1087  * DllGetVersion [SHELL32.@]
1088  *
1089  * Retrieves version information of the 'SHELL32.DLL'
1090  *
1091  * PARAMS
1092  *     pdvi [O] pointer to version information structure.
1093  *
1094  * RETURNS
1095  *     Success: S_OK
1096  *     Failure: E_INVALIDARG
1097  *
1098  * NOTES
1099  *     Returns version of a shell32.dll from IE4.01 SP1.
1100  */
1101
1102 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi)
1103 {
1104     /* FIXME: shouldn't these values come from the version resource? */
1105     if (pdvi->cbSize == sizeof(DLLVERSIONINFO) ||
1106         pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1107     {
1108         pdvi->dwMajorVersion = WINE_FILEVERSION_MAJOR;
1109         pdvi->dwMinorVersion = WINE_FILEVERSION_MINOR;
1110         pdvi->dwBuildNumber = WINE_FILEVERSION_BUILD;
1111         pdvi->dwPlatformID = WINE_FILEVERSION_PLATFORMID;
1112         if (pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1113         {
1114             DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2 *)pdvi;
1115
1116             pdvi2->dwFlags = 0;
1117             pdvi2->ullVersion = MAKEDLLVERULL(WINE_FILEVERSION_MAJOR,
1118                                               WINE_FILEVERSION_MINOR,
1119                                               WINE_FILEVERSION_BUILD,
1120                                               WINE_FILEVERSION_PLATFORMID);
1121         }
1122         TRACE("%u.%u.%u.%u\n",
1123               pdvi->dwMajorVersion, pdvi->dwMinorVersion,
1124               pdvi->dwBuildNumber, pdvi->dwPlatformID);
1125         return S_OK;
1126     }
1127     else
1128     {
1129         WARN("wrong DLLVERSIONINFO size from app\n");
1130         return E_INVALIDARG;
1131     }
1132 }
1133
1134 /*************************************************************************
1135  * global variables of the shell32.dll
1136  * all are once per process
1137  *
1138  */
1139 HINSTANCE    shell32_hInstance = 0;
1140 HIMAGELIST   ShellSmallIconList = 0;
1141 HIMAGELIST   ShellBigIconList = 0;
1142
1143
1144 /*************************************************************************
1145  * SHELL32 DllMain
1146  *
1147  * NOTES
1148  *  calling oleinitialize here breaks sone apps.
1149  */
1150 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
1151 {
1152     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
1153
1154     switch (fdwReason)
1155     {
1156     case DLL_PROCESS_ATTACH:
1157         shell32_hInstance = hinstDLL;
1158         DisableThreadLibraryCalls(shell32_hInstance);
1159
1160         /* get full path to this DLL for IExtractIconW_fnGetIconLocation() */
1161         GetModuleFileNameW(hinstDLL, swShell32Name, MAX_PATH);
1162         swShell32Name[MAX_PATH - 1] = '\0';
1163
1164         InitCommonControlsEx(NULL);
1165
1166         SIC_Initialize();
1167         InitChangeNotifications();
1168         break;
1169
1170     case DLL_PROCESS_DETACH:
1171         shell32_hInstance = 0;
1172         SIC_Destroy();
1173         FreeChangeNotifications();
1174         break;
1175     }
1176     return TRUE;
1177 }
1178
1179 /*************************************************************************
1180  * DllInstall         [SHELL32.@]
1181  *
1182  * PARAMETERS
1183  *
1184  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1185  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1186  */
1187
1188 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
1189 {
1190     FIXME("%s %s: stub\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1191     return S_OK;        /* indicate success */
1192 }
1193
1194 /***********************************************************************
1195  *              DllCanUnloadNow (SHELL32.@)
1196  */
1197 HRESULT WINAPI DllCanUnloadNow(void)
1198 {
1199     FIXME("stub\n");
1200     return S_FALSE;
1201 }
1202
1203 /***********************************************************************
1204  *              ExtractVersionResource16W (SHELL32.@)
1205  */
1206 BOOL WINAPI ExtractVersionResource16W(LPWSTR s, DWORD d)
1207 {
1208     FIXME("(%s %x) stub!\n", debugstr_w(s), d);
1209     return FALSE;
1210 }
1211
1212 /***********************************************************************
1213  *              InitNetworkAddressControl (SHELL32.@)
1214  */
1215 BOOL WINAPI InitNetworkAddressControl(void)
1216 {
1217     FIXME("stub\n");
1218     return FALSE;
1219 }