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