Additional test cases for IShellFolder_BindToObject.
[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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "shlguid.h"
41 #include "shlwapi.h"
42
43 #include "undocshell.h"
44 #include "pidl.h"
45 #include "shell32_main.h"
46 #include "version.h"
47 #include "shresdef.h"
48
49 #include "wine/debug.h"
50 #include "wine/unicode.h"
51
52 WINE_DEFAULT_DEBUG_CHANNEL(shell);
53
54 extern const char * const SHELL_Authors[];
55
56 #define MORE_DEBUG 1
57 /*************************************************************************
58  * CommandLineToArgvW            [SHELL32.@]
59  *
60  * We must interpret the quotes in the command line to rebuild the argv
61  * array correctly:
62  * - arguments are separated by spaces or tabs
63  * - quotes serve as optional argument delimiters
64  *   '"a b"'   -> 'a b'
65  * - escaped quotes must be converted back to '"'
66  *   '\"'      -> '"'
67  * - an odd number of '\'s followed by '"' correspond to half that number
68  *   of '\' followed by a '"' (extension of the above)
69  *   '\\\"'    -> '\"'
70  *   '\\\\\"'  -> '\\"'
71  * - an even number of '\'s followed by a '"' correspond to half that number
72  *   of '\', plus a regular quote serving as an argument delimiter (which
73  *   means it does not appear in the result)
74  *   'a\\"b c"'   -> 'a\b c'
75  *   'a\\\\"b c"' -> 'a\\b c'
76  * - '\' that are not followed by a '"' are copied literally
77  *   'a\b'     -> 'a\b'
78  *   'a\\b'    -> 'a\\b'
79  *
80  * Note:
81  * '\t' == 0x0009
82  * ' '  == 0x0020
83  * '"'  == 0x0022
84  * '\\' == 0x005c
85  */
86 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCmdline, int* numargs)
87 {
88     DWORD argc;
89     HGLOBAL hargv;
90     LPWSTR  *argv;
91     LPCWSTR cs;
92     LPWSTR arg,s,d;
93     LPWSTR cmdline;
94     int in_quotes,bcount;
95
96     if (*lpCmdline==0)
97     {
98         /* Return the path to the executable */
99         DWORD len, size=16;
100
101         hargv=GlobalAlloc(size, 0);
102         argv=GlobalLock(hargv);
103         for (;;)
104         {
105             len = GetModuleFileNameW(0, (LPWSTR)(argv+1), size-sizeof(LPWSTR));
106             if (!len)
107             {
108                 GlobalFree(hargv);
109                 return NULL;
110             }
111             if (len < size) break;
112             size*=2;
113             hargv=GlobalReAlloc(hargv, size, 0);
114             argv=GlobalLock(hargv);
115         }
116         argv[0]=(LPWSTR)(argv+1);
117         if (numargs)
118             *numargs=2;
119
120         return argv;
121     }
122
123     /* to get a writeable copy */
124     argc=0;
125     bcount=0;
126     in_quotes=0;
127     cs=lpCmdline;
128     while (1)
129     {
130         if (*cs==0 || ((*cs==0x0009 || *cs==0x0020) && !in_quotes))
131         {
132             /* space */
133             argc++;
134             /* skip the remaining spaces */
135             while (*cs==0x0009 || *cs==0x0020) {
136                 cs++;
137             }
138             if (*cs==0)
139                 break;
140             bcount=0;
141             continue;
142         }
143         else if (*cs==0x005c)
144         {
145             /* '\', count them */
146             bcount++;
147         }
148         else if ((*cs==0x0022) && ((bcount & 1)==0))
149         {
150             /* unescaped '"' */
151             in_quotes=!in_quotes;
152             bcount=0;
153         }
154         else
155         {
156             /* a regular character */
157             bcount=0;
158         }
159         cs++;
160     }
161     /* Allocate in a single lump, the string array, and the strings that go with it.
162      * This way the caller can make a single GlobalFree call to free both, as per MSDN.
163      */
164     hargv=GlobalAlloc(0, argc*sizeof(LPWSTR)+(strlenW(lpCmdline)+1)*sizeof(WCHAR));
165     argv=GlobalLock(hargv);
166     if (!argv)
167         return NULL;
168     cmdline=(LPWSTR)(argv+argc);
169     strcpyW(cmdline, lpCmdline);
170
171     argc=0;
172     bcount=0;
173     in_quotes=0;
174     arg=d=s=cmdline;
175     while (*s)
176     {
177         if ((*s==0x0009 || *s==0x0020) && !in_quotes)
178         {
179             /* Close the argument and copy it */
180             *d=0;
181             argv[argc++]=arg;
182
183             /* skip the remaining spaces */
184             do {
185                 s++;
186             } while (*s==0x0009 || *s==0x0020);
187
188             /* Start with a new argument */
189             arg=d=s;
190             bcount=0;
191         }
192         else if (*s==0x005c)
193         {
194             /* '\\' */
195             *d++=*s++;
196             bcount++;
197         }
198         else if (*s==0x0022)
199         {
200             /* '"' */
201             if ((bcount & 1)==0)
202             {
203                 /* Preceded by an even number of '\', this is half that
204                  * number of '\', plus a quote which we erase.
205                  */
206                 d-=bcount/2;
207                 in_quotes=!in_quotes;
208                 s++;
209             }
210             else
211             {
212                 /* Preceded by an odd number of '\', this is half that
213                  * number of '\' followed by a '"'
214                  */
215                 d=d-bcount/2-1;
216                 *d++='"';
217                 s++;
218             }
219             bcount=0;
220         }
221         else
222         {
223             /* a regular character */
224             *d++=*s++;
225             bcount=0;
226         }
227     }
228     if (*arg)
229     {
230         *d='\0';
231         argv[argc++]=arg;
232     }
233     if (numargs)
234         *numargs=argc;
235
236     return argv;
237 }
238
239 static DWORD shgfi_get_exe_type(LPCWSTR szFullPath)
240 {
241     BOOL status = FALSE;
242     HANDLE hfile;
243     DWORD BinaryType;
244     IMAGE_DOS_HEADER mz_header;
245     IMAGE_NT_HEADERS nt;
246     DWORD len;
247     char magic[4];
248
249     status = GetBinaryTypeW (szFullPath, &BinaryType);
250     if (!status)
251         return 0;
252     if (BinaryType == SCS_DOS_BINARY || BinaryType == SCS_PIF_BINARY)
253         return 0x4d5a;
254
255     hfile = CreateFileW( szFullPath, GENERIC_READ, FILE_SHARE_READ,
256                          NULL, OPEN_EXISTING, 0, 0 );
257     if ( hfile == INVALID_HANDLE_VALUE )
258         return 0;
259
260     /*
261      * The next section is adapted from MODULE_GetBinaryType, as we need
262      * to examine the image header to get OS and version information. We
263      * know from calling GetBinaryTypeA that the image is valid and either
264      * an NE or PE, so much error handling can be omitted.
265      * Seek to the start of the file and read the header information.
266      */
267
268     SetFilePointer( hfile, 0, NULL, SEEK_SET );
269     ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
270
271     SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
272     ReadFile( hfile, magic, sizeof(magic), &len, NULL );
273     if ( *(DWORD*)magic == IMAGE_NT_SIGNATURE )
274     {
275         SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
276         ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
277         CloseHandle( hfile );
278         if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI)
279         {
280              return IMAGE_NT_SIGNATURE | 
281                    (nt.OptionalHeader.MajorSubsystemVersion << 24) |
282                    (nt.OptionalHeader.MinorSubsystemVersion << 16);
283         }
284         return IMAGE_NT_SIGNATURE;
285     }
286     else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
287     {
288         IMAGE_OS2_HEADER ne;
289         SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
290         ReadFile( hfile, &ne, sizeof(ne), &len, NULL );
291         CloseHandle( hfile );
292         if (ne.ne_exetyp == 2)
293             return IMAGE_OS2_SIGNATURE | (ne.ne_expver << 16);
294         return 0;
295     }
296     CloseHandle( hfile );
297     return 0;
298 }
299
300 #define SHGFI_KNOWN_FLAGS \
301     (SHGFI_SMALLICON | SHGFI_OPENICON | SHGFI_SHELLICONSIZE | SHGFI_PIDL | \
302      SHGFI_USEFILEATTRIBUTES | SHGFI_ADDOVERLAYS | SHGFI_OVERLAYINDEX | \
303      SHGFI_ICON | SHGFI_DISPLAYNAME | SHGFI_TYPENAME | SHGFI_ATTRIBUTES | \
304      SHGFI_ICONLOCATION | SHGFI_EXETYPE | SHGFI_SYSICONINDEX | \
305      SHGFI_LINKOVERLAY | SHGFI_SELECTED | SHGFI_ATTR_SPECIFIED)
306
307 /*************************************************************************
308  * SHGetFileInfoW            [SHELL32.@]
309  *
310  */
311 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
312                             SHFILEINFOW *psfi, UINT sizeofpsfi, UINT flags )
313 {
314     WCHAR szLocation[MAX_PATH], szFullPath[MAX_PATH];
315     int iIndex;
316     DWORD ret = TRUE, dwAttributes = 0;
317     IShellFolder * psfParent = NULL;
318     IExtractIconW * pei = NULL;
319     LPITEMIDLIST    pidlLast = NULL, pidl = NULL;
320     HRESULT hr = S_OK;
321     BOOL IconNotYetLoaded=TRUE;
322
323     TRACE("%s fattr=0x%lx sfi=%p(attr=0x%08lx) size=0x%x flags=0x%x\n",
324           (flags & SHGFI_PIDL)? "pidl" : debugstr_w(path), dwFileAttributes,
325           psfi, psfi->dwAttributes, sizeofpsfi, flags);
326
327     if ( (flags & SHGFI_USEFILEATTRIBUTES) && 
328          (flags & (SHGFI_ATTRIBUTES|SHGFI_EXETYPE|SHGFI_PIDL)))
329         return FALSE;
330
331     /* windows initializes this values regardless of the flags */
332     if (psfi != NULL)
333     {
334         psfi->szDisplayName[0] = '\0';
335         psfi->szTypeName[0] = '\0';
336         psfi->iIcon = 0;
337     }
338
339     if (!(flags & SHGFI_PIDL))
340     {
341         /* SHGetFileInfo should work with absolute and relative paths */
342         if (PathIsRelativeW(path))
343         {
344             GetCurrentDirectoryW(MAX_PATH, szLocation);
345             PathCombineW(szFullPath, szLocation, path);
346         }
347         else
348         {
349             lstrcpynW(szFullPath, path, MAX_PATH);
350         }
351     }
352
353     if (flags & SHGFI_EXETYPE)
354     {
355         if (flags != SHGFI_EXETYPE)
356             return 0;
357         return shgfi_get_exe_type(szFullPath);
358     }
359
360     /*
361      * psfi is NULL normally to query EXE type. If it is NULL, none of the
362      * below makes sense anyway. Windows allows this and just returns FALSE
363      */
364     if (psfi == NULL)
365         return FALSE;
366
367     /*
368      * translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES
369      * is not specified.
370      * The pidl functions fail on not existing file names
371      */
372
373     if (flags & SHGFI_PIDL)
374     {
375         pidl = ILClone((LPCITEMIDLIST)path);
376     }
377     else if (!(flags & SHGFI_USEFILEATTRIBUTES))
378     {
379         hr = SHILCreateFromPathW(szFullPath, &pidl, &dwAttributes);
380     }
381
382     if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
383     {
384         /* get the parent shellfolder */
385         if (pidl)
386         {
387             hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent,
388                                 (LPCITEMIDLIST*)&pidlLast );
389             ILFree(pidl);
390         }
391         else
392         {
393             ERR("pidl is null!\n");
394             return FALSE;
395         }
396     }
397
398     /* get the attributes of the child */
399     if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
400     {
401         if (!(flags & SHGFI_ATTR_SPECIFIED))
402         {
403             psfi->dwAttributes = 0xffffffff;
404         }
405         IShellFolder_GetAttributesOf( psfParent, 1, (LPCITEMIDLIST*)&pidlLast,
406                                       &(psfi->dwAttributes) );
407     }
408
409     /* get the displayname */
410     if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
411     {
412         if (flags & SHGFI_USEFILEATTRIBUTES)
413         {
414             lstrcpyW (psfi->szDisplayName, PathFindFileNameW(szFullPath));
415         }
416         else
417         {
418             STRRET str;
419             hr = IShellFolder_GetDisplayNameOf( psfParent, pidlLast,
420                                                 SHGDN_INFOLDER, &str);
421             StrRetToStrNW (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
422         }
423     }
424
425     /* get the type name */
426     if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
427     {
428         static const WCHAR szFile[] = { 'F','i','l','e',0 };
429         static const WCHAR szDashFile[] = { '-','f','i','l','e',0 };
430
431         if (!(flags & SHGFI_USEFILEATTRIBUTES))
432         {
433             char ftype[80];
434
435             _ILGetFileType(pidlLast, ftype, 80);
436             MultiByteToWideChar(CP_ACP, 0, ftype, -1, psfi->szTypeName, 80 );
437         }
438         else
439         {
440             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
441                 strcatW (psfi->szTypeName, szFile);
442             else 
443             {
444                 WCHAR sTemp[64];
445
446                 lstrcpyW(sTemp,PathFindExtensionW(szFullPath));
447                 if (!( HCR_MapTypeToValueW(sTemp, sTemp, 64, TRUE) &&
448                     HCR_MapTypeToValueW(sTemp, psfi->szTypeName, 80, FALSE )))
449                 {
450                     lstrcpynW (psfi->szTypeName, sTemp, 64);
451                     strcatW (psfi->szTypeName, szDashFile);
452                 }
453             }
454         }
455     }
456
457     /* ### icons ###*/
458     if (flags & SHGFI_ADDOVERLAYS)
459         FIXME("SHGFI_ADDOVERLAYS unhandled\n");
460
461     if (flags & SHGFI_OVERLAYINDEX)
462         FIXME("SHGFI_OVERLAYINDEX unhandled\n");
463
464     if (flags & SHGFI_LINKOVERLAY)
465         FIXME("set icon to link, stub\n");
466
467     if (flags & SHGFI_SELECTED)
468         FIXME("set icon to selected, stub\n");
469
470     if (flags & SHGFI_SHELLICONSIZE)
471         FIXME("set icon to shell size, stub\n");
472
473     /* get the iconlocation */
474     if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
475     {
476         UINT uDummy,uFlags;
477
478         hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1,
479                (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconA,
480                &uDummy, (LPVOID*)&pei);
481         if (SUCCEEDED(hr))
482         {
483             hr = IExtractIconW_GetIconLocation(pei, 
484                     (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,
485                     szLocation, MAX_PATH, &iIndex, &uFlags);
486             psfi->iIcon = iIndex;
487
488             if (uFlags != GIL_NOTFILENAME)
489                 lstrcpyW (psfi->szDisplayName, szLocation);
490             else
491                 ret = FALSE;
492
493             IExtractIconA_Release(pei);
494         }
495     }
496
497     /* get icon index (or load icon)*/
498     if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
499     {
500         if (flags & SHGFI_USEFILEATTRIBUTES)
501         {
502             WCHAR sTemp [MAX_PATH];
503             WCHAR * szExt;
504             DWORD dwNr=0;
505
506             lstrcpynW(sTemp, szFullPath, MAX_PATH);
507
508             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
509                 psfi->iIcon = SIC_GetIconIndex(swShell32Name, -IDI_SHELL_FOLDER, 0);
510             else
511             {
512                 static const WCHAR p1W[] = {'%','1',0};
513
514                 psfi->iIcon = 0;
515                 szExt = (LPWSTR) PathFindExtensionW(sTemp);
516                 if ( szExt &&
517                      HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
518                      HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &dwNr))
519                 {
520                     if (!lstrcmpW(p1W,sTemp))            /* icon is in the file */
521                         strcpyW(sTemp, szFullPath);
522
523                     if (flags & SHGFI_SYSICONINDEX) 
524                     {
525                         psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr,0);
526                         if (psfi->iIcon == -1)
527                             psfi->iIcon = 0;
528                     }
529                     else 
530                     {
531                         IconNotYetLoaded=FALSE;
532                         if (flags & SHGFI_SMALLICON)
533                             PrivateExtractIconsW( sTemp,dwNr,
534                                 GetSystemMetrics( SM_CXSMICON ),
535                                 GetSystemMetrics( SM_CYSMICON ),
536                                 &psfi->hIcon, 0, 1, 0);
537                         else
538                             PrivateExtractIconsW( sTemp, dwNr,
539                                 GetSystemMetrics( SM_CXICON),
540                                 GetSystemMetrics( SM_CYICON),
541                                 &psfi->hIcon, 0, 1, 0);
542                         psfi->iIcon = dwNr;
543                     }
544                 }
545             }
546         }
547         else
548         {
549             if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
550                 (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
551             {
552                 ret = FALSE;
553             }
554         }
555         if (ret)
556         {
557             if (flags & SHGFI_SMALLICON)
558                 ret = (DWORD) ShellSmallIconList;
559             else
560                 ret = (DWORD) ShellBigIconList;
561         }
562     }
563
564     /* icon handle */
565     if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
566     {
567         if (flags & SHGFI_SMALLICON)
568             psfi->hIcon = ImageList_GetIcon( ShellSmallIconList, psfi->iIcon, ILD_NORMAL);
569         else
570             psfi->hIcon = ImageList_GetIcon( ShellBigIconList, psfi->iIcon, ILD_NORMAL);
571     }
572
573     if (flags & ~SHGFI_KNOWN_FLAGS)
574         FIXME("unknown flags %08x\n", flags & ~SHGFI_KNOWN_FLAGS);
575
576     if (psfParent)
577         IShellFolder_Release(psfParent);
578
579     if (hr != S_OK)
580         ret = FALSE;
581
582     if (pidlLast)
583         SHFree(pidlLast);
584
585 #ifdef MORE_DEBUG
586     TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
587            psfi->hIcon, psfi->iIcon, psfi->dwAttributes,
588            debugstr_w(psfi->szDisplayName), debugstr_w(psfi->szTypeName), ret);
589 #endif
590
591     return ret;
592 }
593
594 /*************************************************************************
595  * SHGetFileInfoA            [SHELL32.@]
596  */
597 DWORD WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
598                               SHFILEINFOA *psfi, UINT sizeofpsfi,
599                               UINT flags )
600 {
601     INT len;
602     LPWSTR temppath;
603     DWORD ret;
604     SHFILEINFOW temppsfi;
605
606     if (flags & SHGFI_PIDL)
607     {
608         /* path contains a pidl */
609         temppath = (LPWSTR) path;
610     }
611     else
612     {
613         len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
614         temppath = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
615         MultiByteToWideChar(CP_ACP, 0, path, -1, temppath, len);
616     }
617
618     if (psfi && (flags & SHGFI_ATTR_SPECIFIED))
619         temppsfi.dwAttributes=psfi->dwAttributes;
620
621     if (psfi == NULL)
622         ret = SHGetFileInfoW(temppath, dwFileAttributes, NULL, sizeof(temppsfi), flags);
623     else
624         ret = SHGetFileInfoW(temppath, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
625
626     if (psfi)
627     {
628         if(flags & SHGFI_ICON)
629             psfi->hIcon=temppsfi.hIcon;
630         if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
631             psfi->iIcon=temppsfi.iIcon;
632         if(flags & SHGFI_ATTRIBUTES)
633             psfi->dwAttributes=temppsfi.dwAttributes;
634         if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
635         {
636             WideCharToMultiByte(CP_ACP, 0, temppsfi.szDisplayName, -1,
637                   psfi->szDisplayName, sizeof(psfi->szDisplayName), NULL, NULL);
638         }
639         if(flags & SHGFI_TYPENAME)
640         {
641             WideCharToMultiByte(CP_ACP, 0, temppsfi.szTypeName, -1,
642                   psfi->szTypeName, sizeof(psfi->szTypeName), NULL, NULL);
643         }
644     }
645
646     if (!(flags & SHGFI_PIDL))
647         HeapFree(GetProcessHeap(), 0, temppath);
648
649     return ret;
650 }
651
652 /*************************************************************************
653  * DuplicateIcon            [SHELL32.@]
654  */
655 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
656 {
657     ICONINFO IconInfo;
658     HICON hDupIcon = 0;
659
660     TRACE("%p %p\n", hInstance, hIcon);
661
662     if (GetIconInfo(hIcon, &IconInfo))
663     {
664         hDupIcon = CreateIconIndirect(&IconInfo);
665
666         /* clean up hbmMask and hbmColor */
667         DeleteObject(IconInfo.hbmMask);
668         DeleteObject(IconInfo.hbmColor);
669     }
670
671     return hDupIcon;
672 }
673
674 /*************************************************************************
675  * ExtractIconA                [SHELL32.@]
676  */
677 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
678 {   
679     HICON ret;
680     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
681     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
682
683     TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
684
685     MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
686     ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
687     HeapFree(GetProcessHeap(), 0, lpwstrFile);
688
689     return ret;
690 }
691
692 /*************************************************************************
693  * ExtractIconW                [SHELL32.@]
694  */
695 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
696 {
697     HICON  hIcon = NULL;
698     UINT ret;
699     UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
700
701     TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
702
703     if (nIconIndex == 0xFFFFFFFF)
704     {
705         ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
706         if (ret != 0xFFFFFFFF && ret)
707             return (HICON)ret;
708         return NULL;
709     }
710     else
711         ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
712
713     if (ret == 0xFFFFFFFF)
714         return (HICON)1;
715     else if (ret > 0 && hIcon)
716         return hIcon;
717
718     return NULL;
719 }
720
721 typedef struct
722 {
723     LPCWSTR  szApp;
724     LPCWSTR  szOtherStuff;
725     HICON hIcon;
726     HFONT hFont;
727 } ABOUT_INFO;
728
729 #define IDC_STATIC_TEXT1   100
730 #define IDC_STATIC_TEXT2   101
731 #define IDC_LISTBOX        99
732 #define IDC_WINE_TEXT      98
733
734 #define DROP_FIELD_TOP    (-15)
735 #define DROP_FIELD_HEIGHT  15
736
737 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
738 {
739     HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
740
741     if( hWndCtl )
742     {
743         GetWindowRect( hWndCtl, lprect );
744         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
745         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
746         return TRUE;
747     }
748     return FALSE;
749 }
750
751 /*************************************************************************
752  * SHAppBarMessage            [SHELL32.@]
753  */
754 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
755 {
756     int width=data->rc.right - data->rc.left;
757     int height=data->rc.bottom - data->rc.top;
758     RECT rec=data->rc;
759
760     switch (msg)
761     {
762     case ABM_GETSTATE:
763         return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
764     case ABM_GETTASKBARPOS:
765         GetWindowRect(data->hWnd, &rec);
766         data->rc=rec;
767         return TRUE;
768     case ABM_ACTIVATE:
769         SetActiveWindow(data->hWnd);
770         return TRUE;
771     case ABM_GETAUTOHIDEBAR:
772         data->hWnd=GetActiveWindow();
773         return TRUE;
774     case ABM_NEW:
775         SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
776                           width,height,SWP_SHOWWINDOW);
777         return TRUE;
778     case ABM_QUERYPOS:
779         GetWindowRect(data->hWnd, &(data->rc));
780         return TRUE;
781     case ABM_REMOVE:
782         FIXME("ABM_REMOVE broken\n");
783         /* FIXME: this is wrong; should it be DestroyWindow instead? */
784         /*CloseHandle(data->hWnd);*/
785         return TRUE;
786     case ABM_SETAUTOHIDEBAR:
787         SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
788                          width,height,SWP_SHOWWINDOW);
789         return TRUE;
790     case ABM_SETPOS:
791         data->uEdge=(ABE_RIGHT | ABE_LEFT);
792         SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
793                      width,height,SWP_SHOWWINDOW);
794         return TRUE;
795     case ABM_WINDOWPOSCHANGED:
796         return TRUE;
797     }
798     return FALSE;
799 }
800
801 /*************************************************************************
802  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
803  *
804  */
805 DWORD WINAPI SHHelpShortcuts_RunDLLA(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
806 {
807     FIXME("(%lx, %lx, %lx, %lx) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
808     return 0;
809 }
810
811 /*************************************************************************
812  * SHHelpShortcuts_RunDLLA        [SHELL32.@]
813  *
814  */
815 DWORD WINAPI SHHelpShortcuts_RunDLLW(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
816 {
817     FIXME("(%lx, %lx, %lx, %lx) stub!\n", dwArg1, dwArg2, dwArg3, dwArg4);
818     return 0;
819 }
820
821 /*************************************************************************
822  * SHLoadInProc                [SHELL32.@]
823  * Create an instance of specified object class from within
824  * the shell process and release it immediately
825  */
826 HRESULT WINAPI SHLoadInProc (REFCLSID rclsid)
827 {
828     void *ptr = NULL;
829
830     TRACE("%s\n", debugstr_guid(rclsid));
831
832     CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,&ptr);
833     if(ptr)
834     {
835         IUnknown * pUnk = ptr;
836         IUnknown_Release(pUnk);
837         return NOERROR;
838     }
839     return DISP_E_MEMBERNOTFOUND;
840 }
841
842 /*************************************************************************
843  * AboutDlgProc            (internal)
844  */
845 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
846                               LPARAM lParam )
847 {
848     HWND hWndCtl;
849
850     TRACE("\n");
851
852     switch(msg)
853     {
854     case WM_INITDIALOG:
855         {
856             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
857             WCHAR Template[512], AppTitle[512];
858
859             if (info)
860             {
861                 const char* const *pstr = SHELL_Authors;
862                 SendDlgItemMessageW(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
863                 GetWindowTextW( hWnd, Template, sizeof(Template)/sizeof(WCHAR) );
864                 sprintfW( AppTitle, Template, info->szApp );
865                 SetWindowTextW( hWnd, AppTitle );
866                 SetWindowTextW( GetDlgItem(hWnd, IDC_STATIC_TEXT1), info->szApp );
867                 SetWindowTextW( GetDlgItem(hWnd, IDC_STATIC_TEXT2), info->szOtherStuff );
868                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
869                 SendMessageW( hWndCtl, WM_SETREDRAW, 0, 0 );
870                 SendMessageW( hWndCtl, WM_SETFONT, (WPARAM)info->hFont, 0 );
871                 while (*pstr)
872                 {
873                     WCHAR name[64];
874                     /* authors list is in iso-8859-1 format */
875                     MultiByteToWideChar( 28591, 0, *pstr, -1, name, sizeof(name)/sizeof(WCHAR) );
876                     SendMessageW( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)name );
877                     pstr++;
878                 }
879                 SendMessageW( hWndCtl, WM_SETREDRAW, 1, 0 );
880             }
881         }
882         return 1;
883
884     case WM_PAINT:
885         {
886             RECT rect;
887             PAINTSTRUCT ps;
888             HDC hDC = BeginPaint( hWnd, &ps );
889
890             if (__get_dropline( hWnd, &rect ))
891             {
892                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
893                 MoveToEx( hDC, rect.left, rect.top, NULL );
894                 LineTo( hDC, rect.right, rect.bottom );
895             }
896             EndPaint( hWnd, &ps );
897         }
898     break;
899
900     case WM_COMMAND:
901         if (wParam == IDOK || wParam == IDCANCEL)
902         {
903             EndDialog(hWnd, TRUE);
904             return TRUE;
905         }
906         break;
907     case WM_CLOSE:
908       EndDialog(hWnd, TRUE);
909       break;
910     }
911
912     return 0;
913 }
914
915
916 /*************************************************************************
917  * ShellAboutA                [SHELL32.288]
918  */
919 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON hIcon )
920 {
921     BOOL ret;
922     LPWSTR appW = NULL, otherW = NULL;
923     int len;
924
925     if (szApp)
926     {
927         len = MultiByteToWideChar(CP_ACP, 0, szApp, -1, NULL, 0);
928         appW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
929         MultiByteToWideChar(CP_ACP, 0, szApp, -1, appW, len);
930     }
931     if (szOtherStuff)
932     {
933         len = MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, NULL, 0);
934         otherW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
935         MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, otherW, len);
936     }
937
938     ret = ShellAboutW(hWnd, appW, otherW, hIcon);
939
940     HeapFree(GetProcessHeap(), 0, otherW);
941     HeapFree(GetProcessHeap(), 0, appW);
942     return ret;
943 }
944
945
946 /*************************************************************************
947  * ShellAboutW                [SHELL32.289]
948  */
949 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
950                              HICON hIcon )
951 {
952     ABOUT_INFO info;
953     LOGFONTW logFont;
954     HRSRC hRes;
955     LPVOID template;
956     BOOL bRet;
957     static const WCHAR wszSHELL_ABOUT_MSGBOX[] =
958         {'S','H','E','L','L','_','A','B','O','U','T','_','M','S','G','B','O','X',0};
959
960     TRACE("\n");
961
962     if(!(hRes = FindResourceW(shell32_hInstance, wszSHELL_ABOUT_MSGBOX, (LPWSTR)RT_DIALOG)))
963         return FALSE;
964     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
965         return FALSE;
966     info.szApp        = szApp;
967     info.szOtherStuff = szOtherStuff;
968     info.hIcon        = hIcon ? hIcon : LoadIconW( 0, (LPWSTR)IDI_WINLOGO );
969
970     SystemParametersInfoW( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
971     info.hFont = CreateFontIndirectW( &logFont );
972
973     bRet = DialogBoxIndirectParamW((HINSTANCE)GetWindowLongPtrW( hWnd, GWLP_HINSTANCE ),
974                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
975     DeleteObject(info.hFont);
976     return bRet;
977 }
978
979 /*************************************************************************
980  * FreeIconList (SHELL32.@)
981  */
982 void WINAPI FreeIconList( DWORD dw )
983 {
984     FIXME("%lx: stub\n",dw);
985 }
986
987
988 /*************************************************************************
989  * ShellDDEInit (SHELL32.@)
990  */
991 void WINAPI ShellDDEInit(BOOL start)
992 {
993     FIXME("stub: %d\n", start);
994 }
995
996 /***********************************************************************
997  * DllGetVersion [SHELL32.@]
998  *
999  * Retrieves version information of the 'SHELL32.DLL'
1000  *
1001  * PARAMS
1002  *     pdvi [O] pointer to version information structure.
1003  *
1004  * RETURNS
1005  *     Success: S_OK
1006  *     Failure: E_INVALIDARG
1007  *
1008  * NOTES
1009  *     Returns version of a shell32.dll from IE4.01 SP1.
1010  */
1011
1012 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
1013 {
1014     /* FIXME: shouldn't these values come from the version resource? */
1015     if (pdvi->cbSize == sizeof(DLLVERSIONINFO) ||
1016         pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1017     {
1018         pdvi->dwMajorVersion = WINE_FILEVERSION_MAJOR;
1019         pdvi->dwMinorVersion = WINE_FILEVERSION_MINOR;
1020         pdvi->dwBuildNumber = WINE_FILEVERSION_BUILD;
1021         pdvi->dwPlatformID = WINE_FILEVERSION_PLATFORMID;
1022         if (pdvi->cbSize == sizeof(DLLVERSIONINFO2))
1023         {
1024             DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2 *)pdvi;
1025
1026             pdvi2->dwFlags = 0;
1027             pdvi2->ullVersion = MAKEDLLVERULL(WINE_FILEVERSION_MAJOR,
1028                                               WINE_FILEVERSION_MINOR,
1029                                               WINE_FILEVERSION_BUILD,
1030                                               WINE_FILEVERSION_PLATFORMID);
1031         }
1032         TRACE("%lu.%lu.%lu.%lu\n",
1033               pdvi->dwMajorVersion, pdvi->dwMinorVersion,
1034               pdvi->dwBuildNumber, pdvi->dwPlatformID);
1035         return S_OK;
1036     }
1037     else
1038     {
1039         WARN("wrong DLLVERSIONINFO size from app\n");
1040         return E_INVALIDARG;
1041     }
1042 }
1043
1044 /*************************************************************************
1045  * global variables of the shell32.dll
1046  * all are once per process
1047  *
1048  */
1049 HINSTANCE    shell32_hInstance = 0;
1050 HIMAGELIST   ShellSmallIconList = 0;
1051 HIMAGELIST   ShellBigIconList = 0;
1052
1053
1054 /*************************************************************************
1055  * SHELL32 DllMain
1056  *
1057  * NOTES
1058  *  calling oleinitialize here breaks sone apps.
1059  */
1060 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
1061 {
1062     TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
1063
1064     switch (fdwReason)
1065     {
1066     case DLL_PROCESS_ATTACH:
1067         shell32_hInstance = hinstDLL;
1068         DisableThreadLibraryCalls(shell32_hInstance);
1069
1070         /* get full path to this DLL for IExtractIconW_fnGetIconLocation() */
1071         GetModuleFileNameW(hinstDLL, swShell32Name, MAX_PATH);
1072         swShell32Name[MAX_PATH - 1] = '\0';
1073
1074         InitCommonControlsEx(NULL);
1075
1076         SIC_Initialize();
1077         SYSTRAY_Init();
1078         InitChangeNotifications();
1079         break;
1080
1081     case DLL_PROCESS_DETACH:
1082         shell32_hInstance = 0;
1083         SIC_Destroy();
1084         FreeChangeNotifications();
1085         break;
1086     }
1087     return TRUE;
1088 }
1089
1090 /*************************************************************************
1091  * DllInstall         [SHELL32.@]
1092  *
1093  * PARAMETERS
1094  *
1095  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1096  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1097  */
1098
1099 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
1100 {
1101     FIXME("%s %s: stub\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1102     return S_OK;        /* indicate success */
1103 }
1104
1105 /***********************************************************************
1106  *              DllCanUnloadNow (SHELL32.@)
1107  */
1108 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
1109 {
1110     FIXME("stub\n");
1111     return S_FALSE;
1112 }