user32: Fix Win64 warnings.
[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=2;
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     if ( (flags & SHGFI_USEFILEATTRIBUTES) && 
354          (flags & (SHGFI_ATTRIBUTES|SHGFI_EXETYPE|SHGFI_PIDL)))
355         return FALSE;
356
357     /* windows initializes these values regardless of the flags */
358     if (psfi != NULL)
359     {
360         psfi->szDisplayName[0] = '\0';
361         psfi->szTypeName[0] = '\0';
362         psfi->iIcon = 0;
363     }
364
365     if (!(flags & SHGFI_PIDL))
366     {
367         /* SHGetFileInfo should work with absolute and relative paths */
368         if (PathIsRelativeW(path))
369         {
370             GetCurrentDirectoryW(MAX_PATH, szLocation);
371             PathCombineW(szFullPath, szLocation, path);
372         }
373         else
374         {
375             lstrcpynW(szFullPath, path, MAX_PATH);
376         }
377     }
378
379     if (flags & SHGFI_EXETYPE)
380     {
381         if (flags != SHGFI_EXETYPE)
382             return 0;
383         return shgfi_get_exe_type(szFullPath);
384     }
385
386     /*
387      * psfi is NULL normally to query EXE type. If it is NULL, none of the
388      * below makes sense anyway. Windows allows this and just returns FALSE
389      */
390     if (psfi == NULL)
391         return FALSE;
392
393     /*
394      * translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES
395      * is not specified.
396      * The pidl functions fail on not existing file names
397      */
398
399     if (flags & SHGFI_PIDL)
400     {
401         pidl = ILClone((LPCITEMIDLIST)path);
402     }
403     else if (!(flags & SHGFI_USEFILEATTRIBUTES))
404     {
405         hr = SHILCreateFromPathW(szFullPath, &pidl, &dwAttributes);
406     }
407
408     if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
409     {
410         /* get the parent shellfolder */
411         if (pidl)
412         {
413             hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent,
414                                 (LPCITEMIDLIST*)&pidlLast );
415             if (SUCCEEDED(hr))
416                 pidlLast = ILClone(pidlLast);
417             ILFree(pidl);
418         }
419         else
420         {
421             ERR("pidl is null!\n");
422             return FALSE;
423         }
424     }
425
426     /* get the attributes of the child */
427     if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
428     {
429         if (!(flags & SHGFI_ATTR_SPECIFIED))
430         {
431             psfi->dwAttributes = 0xffffffff;
432         }
433         IShellFolder_GetAttributesOf( psfParent, 1, (LPCITEMIDLIST*)&pidlLast,
434                                       &(psfi->dwAttributes) );
435     }
436
437     /* get the displayname */
438     if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
439     {
440         if (flags & SHGFI_USEFILEATTRIBUTES)
441         {
442             lstrcpyW (psfi->szDisplayName, PathFindFileNameW(szFullPath));
443         }
444         else
445         {
446             STRRET str;
447             hr = IShellFolder_GetDisplayNameOf( psfParent, pidlLast,
448                                                 SHGDN_INFOLDER, &str);
449             StrRetToStrNW (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
450         }
451     }
452
453     /* get the type name */
454     if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
455     {
456         static const WCHAR szFile[] = { 'F','i','l','e',0 };
457         static const WCHAR szDashFile[] = { '-','f','i','l','e',0 };
458
459         if (!(flags & SHGFI_USEFILEATTRIBUTES))
460         {
461             char ftype[80];
462
463             _ILGetFileType(pidlLast, ftype, 80);
464             MultiByteToWideChar(CP_ACP, 0, ftype, -1, psfi->szTypeName, 80 );
465         }
466         else
467         {
468             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
469                 strcatW (psfi->szTypeName, szFile);
470             else 
471             {
472                 WCHAR sTemp[64];
473
474                 lstrcpyW(sTemp,PathFindExtensionW(szFullPath));
475                 if (!( HCR_MapTypeToValueW(sTemp, sTemp, 64, TRUE) &&
476                     HCR_MapTypeToValueW(sTemp, psfi->szTypeName, 80, FALSE )))
477                 {
478                     lstrcpynW (psfi->szTypeName, sTemp, 64);
479                     strcatW (psfi->szTypeName, szDashFile);
480                 }
481             }
482         }
483     }
484
485     /* ### icons ###*/
486     if (flags & SHGFI_OPENICON)
487         uGilFlags |= GIL_OPENICON;
488
489     if (flags & SHGFI_LINKOVERLAY)
490         uGilFlags |= GIL_FORSHORTCUT;
491     else if ((flags&SHGFI_ADDOVERLAYS) ||
492              (flags&(SHGFI_ICON|SHGFI_SMALLICON))==SHGFI_ICON)
493     {
494         if (SHELL_IsShortcut(pidlLast))
495             uGilFlags |= GIL_FORSHORTCUT;
496     }
497
498     if (flags & SHGFI_OVERLAYINDEX)
499         FIXME("SHGFI_OVERLAYINDEX unhandled\n");
500
501     if (flags & SHGFI_SELECTED)
502         FIXME("set icon to selected, stub\n");
503
504     if (flags & SHGFI_SHELLICONSIZE)
505         FIXME("set icon to shell size, stub\n");
506
507     /* get the iconlocation */
508     if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
509     {
510         UINT uDummy,uFlags;
511
512         if (flags & SHGFI_USEFILEATTRIBUTES)
513         {
514             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
515             {
516                 lstrcpyW(psfi->szDisplayName, swShell32Name);
517                 psfi->iIcon = -IDI_SHELL_FOLDER;
518             }
519             else
520             {
521                 WCHAR* szExt;
522                 static const WCHAR p1W[] = {'%','1',0};
523                 WCHAR sTemp [MAX_PATH];
524
525                 szExt = PathFindExtensionW(szFullPath);
526                 TRACE("szExt=%s\n", debugstr_w(szExt));
527                 if ( szExt &&
528                      HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
529                      HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &psfi->iIcon))
530                 {
531                     if (lstrcmpW(p1W, sTemp))
532                         strcpyW(psfi->szDisplayName, sTemp);
533                     else
534                     {
535                         /* the icon is in the file */
536                         strcpyW(psfi->szDisplayName, szFullPath);
537                     }
538                 }
539                 else
540                     ret = FALSE;
541             }
542         }
543         else
544         {
545             hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1,
546                 (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconW,
547                 &uDummy, (LPVOID*)&pei);
548             if (SUCCEEDED(hr))
549             {
550                 hr = IExtractIconW_GetIconLocation(pei, uGilFlags,
551                     szLocation, MAX_PATH, &iIndex, &uFlags);
552
553                 if (uFlags & GIL_NOTFILENAME)
554                     ret = FALSE;
555                 else
556                 {
557                     lstrcpyW (psfi->szDisplayName, szLocation);
558                     psfi->iIcon = iIndex;
559                 }
560                 IExtractIconW_Release(pei);
561             }
562         }
563     }
564
565     /* get icon index (or load icon)*/
566     if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
567     {
568         if (flags & SHGFI_USEFILEATTRIBUTES)
569         {
570             WCHAR sTemp [MAX_PATH];
571             WCHAR * szExt;
572             int icon_idx=0;
573
574             lstrcpynW(sTemp, szFullPath, MAX_PATH);
575
576             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
577                 psfi->iIcon = SIC_GetIconIndex(swShell32Name, -IDI_SHELL_FOLDER, 0);
578             else
579             {
580                 static const WCHAR p1W[] = {'%','1',0};
581
582                 psfi->iIcon = 0;
583                 szExt = PathFindExtensionW(sTemp);
584                 if ( szExt &&
585                      HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
586                      HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &icon_idx))
587                 {
588                     if (!lstrcmpW(p1W,sTemp))            /* icon is in the file */
589                         strcpyW(sTemp, szFullPath);
590
591                     if (flags & SHGFI_SYSICONINDEX) 
592                     {
593                         psfi->iIcon = SIC_GetIconIndex(sTemp,icon_idx,0);
594                         if (psfi->iIcon == -1)
595                             psfi->iIcon = 0;
596                     }
597                     else 
598                     {
599                         IconNotYetLoaded=FALSE;
600                         if (flags & SHGFI_SMALLICON)
601                             PrivateExtractIconsW( sTemp,icon_idx,
602                                 GetSystemMetrics( SM_CXSMICON ),
603                                 GetSystemMetrics( SM_CYSMICON ),
604                                 &psfi->hIcon, 0, 1, 0);
605                         else
606                             PrivateExtractIconsW( sTemp, icon_idx,
607                                 GetSystemMetrics( SM_CXICON),
608                                 GetSystemMetrics( SM_CYICON),
609                                 &psfi->hIcon, 0, 1, 0);
610                         psfi->iIcon = icon_idx;
611                     }
612                 }
613             }
614         }
615         else
616         {
617             if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
618                 uGilFlags, &(psfi->iIcon))))
619             {
620                 ret = FALSE;
621             }
622         }
623         if (ret)
624         {
625             if (flags & SHGFI_SMALLICON)
626                 ret = (DWORD_PTR) ShellSmallIconList;
627             else
628                 ret = (DWORD_PTR) ShellBigIconList;
629         }
630     }
631
632     /* icon handle */
633     if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
634     {
635         if (flags & SHGFI_SMALLICON)
636             psfi->hIcon = ImageList_GetIcon( ShellSmallIconList, psfi->iIcon, ILD_NORMAL);
637         else
638             psfi->hIcon = ImageList_GetIcon( ShellBigIconList, psfi->iIcon, ILD_NORMAL);
639     }
640
641     if (flags & ~SHGFI_KNOWN_FLAGS)
642         FIXME("unknown flags %08x\n", flags & ~SHGFI_KNOWN_FLAGS);
643
644     if (psfParent)
645         IShellFolder_Release(psfParent);
646
647     if (hr != S_OK)
648         ret = FALSE;
649
650     SHFree(pidlLast);
651
652 #ifdef MORE_DEBUG
653     TRACE ("icon=%p index=0x%08x attr=0x%08x name=%s type=%s ret=0x%08lx\n",
654            psfi->hIcon, psfi->iIcon, psfi->dwAttributes,
655            debugstr_w(psfi->szDisplayName), debugstr_w(psfi->szTypeName), ret);
656 #endif
657
658     return ret;
659 }
660
661 /*************************************************************************
662  * SHGetFileInfoA            [SHELL32.@]
663  */
664 DWORD_PTR WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
665                                 SHFILEINFOA *psfi, UINT sizeofpsfi,
666                                 UINT flags )
667 {
668     INT len;
669     LPWSTR temppath = NULL;
670     LPCWSTR pathW;
671     DWORD ret;
672     SHFILEINFOW temppsfi;
673
674     if (flags & SHGFI_PIDL)
675     {
676         /* path contains a pidl */
677         pathW = (LPCWSTR)path;
678     }
679     else
680     {
681         len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
682         temppath = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
683         MultiByteToWideChar(CP_ACP, 0, path, -1, temppath, len);
684         pathW = temppath;
685     }
686
687     if (psfi && (flags & SHGFI_ATTR_SPECIFIED))
688         temppsfi.dwAttributes=psfi->dwAttributes;
689
690     if (psfi == NULL)
691         ret = SHGetFileInfoW(pathW, dwFileAttributes, NULL, sizeof(temppsfi), flags);
692     else
693         ret = SHGetFileInfoW(pathW, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
694
695     if (psfi)
696     {
697         if(flags & SHGFI_ICON)
698             psfi->hIcon=temppsfi.hIcon;
699         if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
700             psfi->iIcon=temppsfi.iIcon;
701         if(flags & SHGFI_ATTRIBUTES)
702             psfi->dwAttributes=temppsfi.dwAttributes;
703         if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
704         {
705             WideCharToMultiByte(CP_ACP, 0, temppsfi.szDisplayName, -1,
706                   psfi->szDisplayName, sizeof(psfi->szDisplayName), NULL, NULL);
707         }
708         if(flags & SHGFI_TYPENAME)
709         {
710             WideCharToMultiByte(CP_ACP, 0, temppsfi.szTypeName, -1,
711                   psfi->szTypeName, sizeof(psfi->szTypeName), NULL, NULL);
712         }
713     }
714
715     HeapFree(GetProcessHeap(), 0, temppath);
716
717     return ret;
718 }
719
720 /*************************************************************************
721  * DuplicateIcon            [SHELL32.@]
722  */
723 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
724 {
725     ICONINFO IconInfo;
726     HICON hDupIcon = 0;
727
728     TRACE("%p %p\n", hInstance, hIcon);
729
730     if (GetIconInfo(hIcon, &IconInfo))
731     {
732         hDupIcon = CreateIconIndirect(&IconInfo);
733
734         /* clean up hbmMask and hbmColor */
735         DeleteObject(IconInfo.hbmMask);
736         DeleteObject(IconInfo.hbmColor);
737     }
738
739     return hDupIcon;
740 }
741
742 /*************************************************************************
743  * ExtractIconA                [SHELL32.@]
744  */
745 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
746 {   
747     HICON ret;
748     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
749     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
750
751     TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
752
753     MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
754     ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
755     HeapFree(GetProcessHeap(), 0, lpwstrFile);
756
757     return ret;
758 }
759
760 /*************************************************************************
761  * ExtractIconW                [SHELL32.@]
762  */
763 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
764 {
765     HICON  hIcon = NULL;
766     UINT ret;
767     UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
768
769     TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
770
771     if (nIconIndex == 0xFFFFFFFF)
772     {
773         ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
774         if (ret != 0xFFFFFFFF && ret)
775             return (HICON)(UINT_PTR)ret;
776         return NULL;
777     }
778     else
779         ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
780
781     if (ret == 0xFFFFFFFF)
782         return (HICON)1;
783     else if (ret > 0 && hIcon)
784         return hIcon;
785
786     return NULL;
787 }
788
789 /*************************************************************************
790  * Printer_LoadIconsW        [SHELL32.205]
791  */
792 VOID WINAPI Printer_LoadIconsW(LPCWSTR wsPrinterName, HICON * pLargeIcon, HICON * pSmallIcon)
793 {
794     INT iconindex=IDI_SHELL_PRINTER;
795
796     TRACE("(%s, %p, %p)\n", debugstr_w(wsPrinterName), pLargeIcon, pSmallIcon);
797
798     /* We should check if wsPrinterName is
799        1. the Default Printer or not
800        2. connected or not
801        3. a Local Printer or a Network-Printer
802        and use different Icons
803     */
804     if((wsPrinterName != NULL) && (wsPrinterName[0] != 0))
805     {
806         FIXME("(select Icon by PrinterName %s not implemented)\n", debugstr_w(wsPrinterName));
807     }
808
809     if(pLargeIcon != NULL)
810         *pLargeIcon = LoadImageW(shell32_hInstance,
811                                  (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
812                                  0, 0, LR_DEFAULTCOLOR|LR_DEFAULTSIZE);
813
814     if(pSmallIcon != NULL)
815         *pSmallIcon = LoadImageW(shell32_hInstance,
816                                  (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
817                                  16, 16, LR_DEFAULTCOLOR);
818 }
819
820 /*************************************************************************
821  * Printers_RegisterWindowW        [SHELL32.213]
822  * used by "printui.dll":
823  * find the Window of the given Type for the specific Printer and 
824  * return the already existent hwnd or open a new window
825  */
826 BOOL WINAPI Printers_RegisterWindowW(LPCWSTR wsPrinter, DWORD dwType,
827             HANDLE * phClassPidl, HWND * phwnd)
828 {
829     FIXME("(%s, %x, %p (%p), %p (%p)) stub!\n", debugstr_w(wsPrinter), dwType,
830                 phClassPidl, (phClassPidl != NULL) ? *(phClassPidl) : NULL,
831                 phwnd, (phwnd != NULL) ? *(phwnd) : NULL);
832
833     return FALSE;
834
835
836 /*************************************************************************
837  * Printers_UnregisterWindow      [SHELL32.214]
838  */
839 VOID WINAPI Printers_UnregisterWindow(HANDLE hClassPidl, HWND hwnd)
840 {
841     FIXME("(%p, %p) stub!\n", hClassPidl, hwnd);
842
843
844 /*************************************************************************/
845
846 typedef struct
847 {
848     LPCWSTR  szApp;
849     LPCWSTR  szOtherStuff;
850     HICON hIcon;
851     HFONT hFont;
852 } ABOUT_INFO;
853
854 #define DROP_FIELD_TOP    (-12)
855
856 static void paint_dropline( HDC hdc, HWND hWnd )
857 {
858     HWND hWndCtl = GetDlgItem(hWnd, IDC_ABOUT_WINE_TEXT);
859     RECT rect;
860
861     if (!hWndCtl) return;
862     GetWindowRect( hWndCtl, &rect );
863     MapWindowPoints( 0, hWnd, (LPPOINT)&rect, 2 );
864     rect.top += DROP_FIELD_TOP;
865     rect.bottom = rect.top + 2;
866     DrawEdge( hdc, &rect, BDR_SUNKENOUTER, BF_RECT );
867 }
868
869 /*************************************************************************
870  * SHAppBarMessage            [SHELL32.@]
871  */
872 UINT_PTR WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
873 {
874     int width=data->rc.right - data->rc.left;
875     int height=data->rc.bottom - data->rc.top;
876     RECT rec=data->rc;
877
878     FIXME("msg=%d, data={cb=%d, hwnd=%p, callback=%x, edge=%d, rc=%s, lparam=%lx}: stub\n",
879           msg, data->cbSize, data->hWnd, data->uCallbackMessage, data->uEdge,
880           wine_dbgstr_rect(&data->rc), data->lParam);
881
882     switch (msg)
883     {
884     case ABM_GETSTATE:
885         return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
886     case ABM_GETTASKBARPOS:
887         /* FIXME: This is wrong.  It should return the taskbar co-ords and edge from the monitor
888            which contains data->hWnd */
889         GetWindowRect(data->hWnd, &rec);
890         data->rc=rec;
891         return TRUE;
892     case ABM_ACTIVATE:
893         SetActiveWindow(data->hWnd);
894         return TRUE;
895     case ABM_GETAUTOHIDEBAR:
896         return 0; /* pretend there is no autohide bar */
897     case ABM_NEW:
898         /* cbSize, hWnd, and uCallbackMessage are used. All other ignored */
899         SetWindowPos(data->hWnd,HWND_TOP,0,0,0,0,SWP_SHOWWINDOW|SWP_NOMOVE|SWP_NOSIZE);
900         return TRUE;
901     case ABM_QUERYPOS:
902         GetWindowRect(data->hWnd, &(data->rc));
903         return TRUE;
904     case ABM_REMOVE:
905         FIXME("ABM_REMOVE broken\n");
906         /* FIXME: this is wrong; should it be DestroyWindow instead? */
907         /*CloseHandle(data->hWnd);*/
908         return TRUE;
909     case ABM_SETAUTOHIDEBAR:
910         SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
911                          width,height,SWP_SHOWWINDOW);
912         return TRUE;
913     case ABM_SETPOS:
914         data->uEdge=(ABE_RIGHT | ABE_LEFT);
915         SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
916                      width,height,SWP_SHOWWINDOW);
917         return TRUE;
918     case ABM_WINDOWPOSCHANGED:
919         return TRUE;
920     }
921     return FALSE;
922 }
923
924 /*************************************************************************
925  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
926  *
927  */
928 DWORD WINAPI SHHelpShortcuts_RunDLLA(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
929 {
930     FIXME("(%x, %x, %x, %x) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
931     return 0;
932 }
933
934 /*************************************************************************
935  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
936  *
937  */
938 DWORD WINAPI SHHelpShortcuts_RunDLLW(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
939 {
940     FIXME("(%x, %x, %x, %x) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
941     return 0;
942 }
943
944 /*************************************************************************
945  * SHLoadInProc                [SHELL32.@]
946  * Create an instance of specified object class from within
947  * the shell process and release it immediately
948  */
949 HRESULT WINAPI SHLoadInProc (REFCLSID rclsid)
950 {
951     void *ptr = NULL;
952
953     TRACE("%s\n", debugstr_guid(rclsid));
954
955     CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,&ptr);
956     if(ptr)
957     {
958         IUnknown * pUnk = ptr;
959         IUnknown_Release(pUnk);
960         return NOERROR;
961     }
962     return DISP_E_MEMBERNOTFOUND;
963 }
964
965 /*************************************************************************
966  * AboutDlgProc            (internal)
967  */
968 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
969                               LPARAM lParam )
970 {
971     HWND hWndCtl;
972
973     TRACE("\n");
974
975     switch(msg)
976     {
977     case WM_INITDIALOG:
978         {
979             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
980             WCHAR template[512], buffer[512], version[64];
981             extern const char *wine_get_build_id(void);
982
983             if (info)
984             {
985                 const char* const *pstr = SHELL_Authors;
986                 SendDlgItemMessageW(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
987                 GetWindowTextW( hWnd, template, sizeof(template)/sizeof(WCHAR) );
988                 sprintfW( buffer, template, info->szApp );
989                 SetWindowTextW( hWnd, buffer );
990                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT1), info->szApp );
991                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT2), info->szOtherStuff );
992                 GetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT3),
993                                 template, sizeof(template)/sizeof(WCHAR) );
994                 MultiByteToWideChar( CP_UTF8, 0, wine_get_build_id(), -1,
995                                      version, sizeof(version)/sizeof(WCHAR) );
996                 sprintfW( buffer, template, version );
997                 SetWindowTextW( GetDlgItem(hWnd, IDC_ABOUT_STATIC_TEXT3), buffer );
998                 hWndCtl = GetDlgItem(hWnd, IDC_ABOUT_LISTBOX);
999                 SendMessageW( hWndCtl, WM_SETREDRAW, 0, 0 );
1000                 SendMessageW( hWndCtl, WM_SETFONT, (WPARAM)info->hFont, 0 );
1001                 while (*pstr)
1002                 {
1003                     /* authors list is in utf-8 format */
1004                     MultiByteToWideChar( CP_UTF8, 0, *pstr, -1, buffer, sizeof(buffer)/sizeof(WCHAR) );
1005                     SendMessageW( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)buffer );
1006                     pstr++;
1007                 }
1008                 SendMessageW( hWndCtl, WM_SETREDRAW, 1, 0 );
1009             }
1010         }
1011         return 1;
1012
1013     case WM_PAINT:
1014         {
1015             PAINTSTRUCT ps;
1016             HDC hDC = BeginPaint( hWnd, &ps );
1017             paint_dropline( hDC, hWnd );
1018             EndPaint( hWnd, &ps );
1019         }
1020     break;
1021
1022     case WM_COMMAND:
1023         if (wParam == IDOK || wParam == IDCANCEL)
1024         {
1025             EndDialog(hWnd, TRUE);
1026             return TRUE;
1027         }
1028         if (wParam == IDC_ABOUT_LICENSE)
1029         {
1030             MSGBOXPARAMSW params;
1031
1032             params.cbSize = sizeof(params);
1033             params.hwndOwner = hWnd;
1034             params.hInstance = shell32_hInstance;
1035             params.lpszText = MAKEINTRESOURCEW(IDS_LICENSE);
1036             params.lpszCaption = MAKEINTRESOURCEW(IDS_LICENSE_CAPTION);
1037             params.dwStyle = MB_ICONINFORMATION | MB_OK;
1038             params.lpszIcon = 0;
1039             params.dwContextHelpId = 0;
1040             params.lpfnMsgBoxCallback = NULL;
1041             params.dwLanguageId = LANG_NEUTRAL;
1042             MessageBoxIndirectW( &params );
1043         }
1044         break;
1045     case WM_CLOSE:
1046       EndDialog(hWnd, TRUE);
1047       break;
1048     }
1049
1050     return 0;
1051 }
1052
1053
1054 /*************************************************************************
1055  * ShellAboutA                [SHELL32.288]
1056  */
1057 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON hIcon )
1058 {
1059     BOOL ret;
1060     LPWSTR appW = NULL, otherW = NULL;
1061     int len;
1062
1063     if (szApp)
1064     {
1065         len = MultiByteToWideChar(CP_ACP, 0, szApp, -1, NULL, 0);
1066         appW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1067         MultiByteToWideChar(CP_ACP, 0, szApp, -1, appW, len);
1068     }
1069     if (szOtherStuff)
1070     {
1071         len = MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, NULL, 0);
1072         otherW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1073         MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, otherW, len);
1074     }
1075
1076     ret = ShellAboutW(hWnd, appW, otherW, hIcon);
1077
1078     HeapFree(GetProcessHeap(), 0, otherW);
1079     HeapFree(GetProcessHeap(), 0, appW);
1080     return ret;
1081 }
1082
1083
1084 /*************************************************************************
1085  * ShellAboutW                [SHELL32.289]
1086  */
1087 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
1088                              HICON hIcon )
1089 {
1090     ABOUT_INFO info;
1091     LOGFONTW logFont;
1092     HRSRC hRes;
1093     LPVOID template;
1094     BOOL bRet;
1095     static const WCHAR wszSHELL_ABOUT_MSGBOX[] =
1096         {'S','H','E','L','L','_','A','B','O','U','T','_','M','S','G','B','O','X',0};
1097
1098     TRACE("\n");
1099
1100     if(!(hRes = FindResourceW(shell32_hInstance, wszSHELL_ABOUT_MSGBOX, (LPWSTR)RT_DIALOG)))
1101         return FALSE;
1102     if(!(template = LoadResource(shell32_hInstance, hRes)))
1103         return FALSE;
1104     if (!hIcon) hIcon = LoadImageW( 0, (LPWSTR)IDI_WINLOGO, IMAGE_ICON, 48, 48, LR_SHARED );
1105     info.szApp        = szApp;
1106     info.szOtherStuff = szOtherStuff;
1107     info.hIcon        = hIcon;
1108
1109     SystemParametersInfoW( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
1110     info.hFont = CreateFontIndirectW( &logFont );
1111
1112     bRet = DialogBoxIndirectParamW((HINSTANCE)GetWindowLongPtrW( hWnd, GWLP_HINSTANCE ),
1113                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
1114     DeleteObject(info.hFont);
1115     return bRet;
1116 }
1117
1118 /*************************************************************************
1119  * FreeIconList (SHELL32.@)
1120  */
1121 void WINAPI FreeIconList( DWORD dw )
1122 {
1123     FIXME("%x: stub\n",dw);
1124 }
1125
1126 /*************************************************************************
1127  * SHLoadNonloadedIconOverlayIdentifiers (SHELL32.@)
1128  */
1129 HRESULT WINAPI SHLoadNonloadedIconOverlayIdentifiers( VOID )
1130 {
1131     FIXME("stub\n");
1132     return S_OK;
1133 }
1134
1135 /***********************************************************************
1136  * DllGetVersion [SHELL32.@]
1137  *
1138  * Retrieves version information of the 'SHELL32.DLL'
1139  *
1140  * PARAMS
1141  *     pdvi [O] pointer to version information structure.
1142  *
1143  * RETURNS
1144  *     Success: S_OK
1145  *     Failure: E_INVALIDARG
1146  *
1147  * NOTES
1148  *     Returns version of a shell32.dll from IE4.01 SP1.
1149  */
1150
1151 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi)
1152 {
1153     /* FIXME: shouldn't these values come from the version resource? */
1154     if (pdvi->cbSize == sizeof(DLLVERSIONINFO) ||
1155         pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1156     {
1157         pdvi->dwMajorVersion = WINE_FILEVERSION_MAJOR;
1158         pdvi->dwMinorVersion = WINE_FILEVERSION_MINOR;
1159         pdvi->dwBuildNumber = WINE_FILEVERSION_BUILD;
1160         pdvi->dwPlatformID = WINE_FILEVERSION_PLATFORMID;
1161         if (pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1162         {
1163             DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2 *)pdvi;
1164
1165             pdvi2->dwFlags = 0;
1166             pdvi2->ullVersion = MAKEDLLVERULL(WINE_FILEVERSION_MAJOR,
1167                                               WINE_FILEVERSION_MINOR,
1168                                               WINE_FILEVERSION_BUILD,
1169                                               WINE_FILEVERSION_PLATFORMID);
1170         }
1171         TRACE("%u.%u.%u.%u\n",
1172               pdvi->dwMajorVersion, pdvi->dwMinorVersion,
1173               pdvi->dwBuildNumber, pdvi->dwPlatformID);
1174         return S_OK;
1175     }
1176     else
1177     {
1178         WARN("wrong DLLVERSIONINFO size from app\n");
1179         return E_INVALIDARG;
1180     }
1181 }
1182
1183 /*************************************************************************
1184  * global variables of the shell32.dll
1185  * all are once per process
1186  *
1187  */
1188 HINSTANCE    shell32_hInstance = 0;
1189 HIMAGELIST   ShellSmallIconList = 0;
1190 HIMAGELIST   ShellBigIconList = 0;
1191
1192
1193 /*************************************************************************
1194  * SHELL32 DllMain
1195  *
1196  * NOTES
1197  *  calling oleinitialize here breaks sone apps.
1198  */
1199 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
1200 {
1201     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
1202
1203     switch (fdwReason)
1204     {
1205     case DLL_PROCESS_ATTACH:
1206         shell32_hInstance = hinstDLL;
1207         DisableThreadLibraryCalls(shell32_hInstance);
1208
1209         /* get full path to this DLL for IExtractIconW_fnGetIconLocation() */
1210         GetModuleFileNameW(hinstDLL, swShell32Name, MAX_PATH);
1211         swShell32Name[MAX_PATH - 1] = '\0';
1212
1213         InitCommonControlsEx(NULL);
1214
1215         SIC_Initialize();
1216         InitChangeNotifications();
1217         break;
1218
1219     case DLL_PROCESS_DETACH:
1220         shell32_hInstance = 0;
1221         SIC_Destroy();
1222         FreeChangeNotifications();
1223         break;
1224     }
1225     return TRUE;
1226 }
1227
1228 /*************************************************************************
1229  * DllInstall         [SHELL32.@]
1230  *
1231  * PARAMETERS
1232  *
1233  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1234  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1235  */
1236
1237 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
1238 {
1239     FIXME("%s %s: stub\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1240     return S_OK;        /* indicate success */
1241 }
1242
1243 /***********************************************************************
1244  *              DllCanUnloadNow (SHELL32.@)
1245  */
1246 HRESULT WINAPI DllCanUnloadNow(void)
1247 {
1248     FIXME("stub\n");
1249     return S_FALSE;
1250 }