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 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winerror.h"
  32 #include "winreg.h"
  33 #include "dlgs.h"
  34 #include "shellapi.h"
  35 #include "winuser.h"
  36 #include "wingdi.h"
  37 #include "shlobj.h"
  38 #include "shlguid.h"
  39 #include "shlwapi.h"
  40
  41 #include "undocshell.h"
  42 #include "pidl.h"
  43 #include "shell32_main.h"
  44
  45 #include "wine/debug.h"
  46 #include "wine/unicode.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  49
  50 extern const char * const SHELL_Authors[];
  51
  52 #define MORE_DEBUG 1
  53 /*************************************************************************
  54  * CommandLineToArgvW                   [SHELL32.@]
  55  *
  56  * We must interpret the quotes in the command line to rebuild the argv
  57  * array correctly:
  58  * - arguments are separated by spaces or tabs
  59  * - quotes serve as optional argument delimiters
  60  *   '"a b"'   -> 'a b'
  61  * - escaped quotes must be converted back to '"'
  62  *   '\"'      -> '"'
  63  * - an odd number of '\'s followed by '"' correspond to half that number
  64  *   of '\' followed by a '"' (extension of the above)
  65  *   '\\\"'    -> '\"'
  66  *   '\\\\\"'  -> '\\"'
  67  * - an even number of '\'s followed by a '"' correspond to half that number
  68  *   of '\', plus a regular quote serving as an argument delimiter (which
  69  *   means it does not appear in the result)
  70  *   'a\\"b c"'   -> 'a\b c'
  71  *   'a\\\\"b c"' -> 'a\\b c'
  72  * - '\' that are not followed by a '"' are copied literally
  73  *   'a\b'     -> 'a\b'
  74  *   'a\\b'    -> 'a\\b'
  75  *
  76  * Note:
  77  * '\t' == 0x0009
  78  * ' '  == 0x0020
  79  * '"'  == 0x0022
  80  * '\\' == 0x005c
  81  */
  82 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCmdline, int* numargs)
  83 {
  84     DWORD argc;
  85     HGLOBAL hargv;
  86     LPWSTR  *argv;
  87     LPCWSTR cs;
  88     LPWSTR arg,s,d;
  89     LPWSTR cmdline;
  90     int in_quotes,bcount;
  91
  92     if (*lpCmdline==0) {
  93         /* Return the path to the executable */
  94         DWORD size=16;
  95
  96         hargv=GlobalAlloc(size, 0);
  97         argv=GlobalLock(hargv);
  98         while (GetModuleFileNameW(0, (LPWSTR)(argv+1), size-sizeof(LPWSTR)) == 0) {
  99             size*=2;
 100             hargv=GlobalReAlloc(hargv, size, 0);
 101             argv=GlobalLock(hargv);
 102         }
 103         argv[0]=(LPWSTR)(argv+1);
 104         if (numargs)
 105             *numargs=2;
 106
 107         return argv;
 108     }
 109
 110     /* to get a writeable copy */
 111     argc=0;
 112     bcount=0;
 113     in_quotes=0;
 114     cs=lpCmdline;
 115     while (1) {
 116         if (*cs==0 || ((*cs==0x0009 || *cs==0x0020) && !in_quotes)) {
 117             /* space */
 118             argc++;
 119             /* skip the remaining spaces */
 120             while (*cs==0x0009 || *cs==0x0020) {
 121                 cs++;
 122             }
 123             if (*cs==0)
 124                 break;
 125             bcount=0;
 126             continue;
 127         } else if (*cs==0x005c) {
 128             /* '\', count them */
 129             bcount++;
 130         } else if ((*cs==0x0022) && ((bcount & 1)==0)) {
 131             /* unescaped '"' */
 132             in_quotes=!in_quotes;
 133             bcount=0;
 134         } else {
 135             /* a regular character */
 136             bcount=0;
 137         }
 138         cs++;
 139     }
 140     /* Allocate in a single lump, the string array, and the strings that go with it.
 141      * This way the caller can make a single GlobalFree call to free both, as per MSDN.
 142      */
 143     hargv=GlobalAlloc(0, argc*sizeof(LPWSTR)+(strlenW(lpCmdline)+1)*sizeof(WCHAR));
 144     argv=GlobalLock(hargv);
 145     if (!argv)
 146         return NULL;
 147     cmdline=(LPWSTR)(argv+argc);
 148     strcpyW(cmdline, lpCmdline);
 149
 150     argc=0;
 151     bcount=0;
 152     in_quotes=0;
 153     arg=d=s=cmdline;
 154     while (*s) {
 155         if ((*s==0x0009 || *s==0x0020) && !in_quotes) {
 156             /* Close the argument and copy it */
 157             *d=0;
 158             argv[argc++]=arg;
 159
 160             /* skip the remaining spaces */
 161             do {
 162                 s++;
 163             } while (*s==0x0009 || *s==0x0020);
 164
 165             /* Start with a new argument */
 166             arg=d=s;
 167             bcount=0;
 168         } else if (*s==0x005c) {
 169             /* '\\' */
 170             *d++=*s++;
 171             bcount++;
 172         } else if (*s==0x0022) {
 173             /* '"' */
 174             if ((bcount & 1)==0) {
 175                 /* Preceeded by an even number of '\', this is half that
 176                  * number of '\', plus a quote which we erase.
 177                  */
 178                 d-=bcount/2;
 179                 in_quotes=!in_quotes;
 180                 s++;
 181             } else {
 182                 /* Preceeded by an odd number of '\', this is half that
 183                  * number of '\' followed by a '"'
 184                  */
 185                 d=d-bcount/2-1;
 186                 *d++='"';
 187                 s++;
 188             }
 189             bcount=0;
 190         } else {
 191             /* a regular character */
 192             *d++=*s++;
 193             bcount=0;
 194         }
 195     }
 196     if (*arg) {
 197         *d='\0';
 198         argv[argc++]=arg;
 199     }
 200     if (numargs)
 201         *numargs=argc;
 202
 203     return argv;
 204 }
 205
 206 /*************************************************************************
 207  * SHGetFileInfoA                       [SHELL32.@]
 208  *
 209  */
 210
 211 DWORD WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
 212                               SHFILEINFOA *psfi, UINT sizeofpsfi,
 213                               UINT flags )
 214 {
 215        char szLocation[MAX_PATH], szFullPath[MAX_PATH];
 216         int iIndex;
 217         DWORD ret = TRUE, dwAttributes = 0;
 218         IShellFolder * psfParent = NULL;
 219         IExtractIconA * pei = NULL;
 220         LPITEMIDLIST    pidlLast = NULL, pidl = NULL;
 221         HRESULT hr = S_OK;
 222         BOOL IconNotYetLoaded=TRUE;
 223
 224         TRACE("(%s fattr=0x%lx sfi=%p(attr=0x%08lx) size=0x%x flags=0x%x)\n",
 225           (flags & SHGFI_PIDL)? "pidl" : path, dwFileAttributes, psfi, psfi->dwAttributes, sizeofpsfi, flags);
 226
 227         if ((flags & SHGFI_USEFILEATTRIBUTES) && (flags & (SHGFI_ATTRIBUTES|SHGFI_EXETYPE|SHGFI_PIDL)))
 228           return FALSE;
 229
 230         /* windows initializes this values regardless of the flags */
 231         if (psfi != NULL) {
 232             psfi->szDisplayName[0] = '\0';
 233             psfi->szTypeName[0] = '\0';
 234             psfi->iIcon = 0;
 235         }
 236
 237        if (!(flags & SHGFI_PIDL)){
 238             /* SHGitFileInfo should work with absolute and relative paths */
 239             if (PathIsRelativeA(path)){
 240                 GetCurrentDirectoryA(MAX_PATH, szLocation);
 241                 PathCombineA(szFullPath, szLocation, path);
 242             } else {
 243                 lstrcpynA(szFullPath, path, MAX_PATH);
 244             }
 245         }
 246
 247         if (flags & SHGFI_EXETYPE) {
 248           BOOL status = FALSE;
 249           HANDLE hfile;
 250           DWORD BinaryType;
 251           IMAGE_DOS_HEADER mz_header;
 252           IMAGE_NT_HEADERS nt;
 253           DWORD len;
 254           char magic[4];
 255
 256           if (flags != SHGFI_EXETYPE) return 0;
 257
 258          status = GetBinaryTypeA (szFullPath, &BinaryType);
 259           if (!status) return 0;
 260           if ((BinaryType == SCS_DOS_BINARY)
 261                 || (BinaryType == SCS_PIF_BINARY)) return 0x4d5a;
 262
 263          hfile = CreateFileA( szFullPath, GENERIC_READ, FILE_SHARE_READ,
 264                 NULL, OPEN_EXISTING, 0, 0 );
 265           if ( hfile == INVALID_HANDLE_VALUE ) return 0;
 266
 267         /* The next section is adapted from MODULE_GetBinaryType, as we need
 268          * to examine the image header to get OS and version information. We
 269          * know from calling GetBinaryTypeA that the image is valid and either
 270          * an NE or PE, so much error handling can be omitted.
 271          * Seek to the start of the file and read the header information.
 272          */
 273
 274           SetFilePointer( hfile, 0, NULL, SEEK_SET );
 275           ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
 276
 277          SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 278          ReadFile( hfile, magic, sizeof(magic), &len, NULL );
 279          if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 280          {
 281              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 282              ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
 283               CloseHandle( hfile );
 284               if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
 285                  return IMAGE_NT_SIGNATURE
 286                         | (nt.OptionalHeader.MajorSubsystemVersion << 24)
 287                         | (nt.OptionalHeader.MinorSubsystemVersion << 16);
 288               }
 289               return IMAGE_NT_SIGNATURE;
 290           }
 291          else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 292          {
 293              IMAGE_OS2_HEADER ne;
 294              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 295              ReadFile( hfile, &ne, sizeof(ne), &len, NULL );
 296               CloseHandle( hfile );
 297              if (ne.ne_exetyp == 2) return IMAGE_OS2_SIGNATURE
 298                         | (ne.ne_expver << 16);
 299               return 0;
 300           }
 301           CloseHandle( hfile );
 302           return 0;
 303       }
 304
 305       /* psfi is NULL normally to query EXE type. If it is NULL, none of the
 306        * below makes sense anyway. Windows allows this and just returns FALSE */
 307       if (psfi == NULL) return FALSE;
 308
 309         /* translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES
 310          * is not specified.
 311            The pidl functions fail on not existing file names */
 312
 313         if (flags & SHGFI_PIDL) {
 314             pidl = ILClone((LPCITEMIDLIST)path);
 315         } else if (!(flags & SHGFI_USEFILEATTRIBUTES)) {
 316            hr = SHILCreateFromPathA(szFullPath, &pidl, &dwAttributes);
 317         }
 318
 319         if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
 320         {
 321            /* get the parent shellfolder */
 322            if (pidl) {
 323               hr = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&pidlLast);
 324               ILFree(pidl);
 325            } else {
 326               ERR("pidl is null!\n");
 327               return FALSE;
 328            }
 329         }
 330
 331         /* get the attributes of the child */
 332         if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
 333         {
 334           if (!(flags & SHGFI_ATTR_SPECIFIED))
 335           {
 336             psfi->dwAttributes = 0xffffffff;
 337           }
 338           IShellFolder_GetAttributesOf(psfParent, 1, (LPCITEMIDLIST*)&pidlLast, &(psfi->dwAttributes));
 339         }
 340
 341         /* get the displayname */
 342         if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
 343         {
 344           if (flags & SHGFI_USEFILEATTRIBUTES)
 345           {
 346            strcpy (psfi->szDisplayName, PathFindFileNameA(szFullPath));
 347           }
 348           else
 349           {
 350             STRRET str;
 351             hr = IShellFolder_GetDisplayNameOf(psfParent, pidlLast, SHGDN_INFOLDER, &str);
 352             StrRetToStrNA (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
 353           }
 354         }
 355
 356         /* get the type name */
 357         if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
 358         {
 359             if (!(flags & SHGFI_USEFILEATTRIBUTES))
 360                 _ILGetFileType(pidlLast, psfi->szTypeName, 80);
 361             else
 362             {
 363                 if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 364                    strcat (psfi->szTypeName, "File");
 365                 else
 366                 {
 367                    char sTemp[64];
 368                    strcpy(sTemp,PathFindExtensionA(szFullPath));
 369                    if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
 370                         && HCR_MapTypeToValueA(sTemp, psfi->szTypeName, 80, FALSE )))
 371                    {
 372                        lstrcpynA (psfi->szTypeName, sTemp, 64);
 373                        strcat (psfi->szTypeName, "-file");
 374                    }
 375                 }
 376             }
 377         }
 378
 379         /* ### icons ###*/
 380         if (flags & SHGFI_LINKOVERLAY)
 381           FIXME("set icon to link, stub\n");
 382
 383         if (flags & SHGFI_SELECTED)
 384           FIXME("set icon to selected, stub\n");
 385
 386         if (flags & SHGFI_SHELLICONSIZE)
 387           FIXME("set icon to shell size, stub\n");
 388
 389         /* get the iconlocation */
 390         if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
 391         {
 392           UINT uDummy,uFlags;
 393           hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1, (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconA, &uDummy, (LPVOID*)&pei);
 394
 395           if (SUCCEEDED(hr))
 396           {
 397            hr = IExtractIconA_GetIconLocation(pei, (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,szLocation, MAX_PATH, &iIndex, &uFlags);
 398            psfi->iIcon = iIndex;
 399
 400             if(uFlags != GIL_NOTFILENAME)
 401               strcpy (psfi->szDisplayName, szLocation);
 402             else
 403               ret = FALSE;
 404
 405             IExtractIconA_Release(pei);
 406           }
 407         }
 408
 409         /* get icon index (or load icon)*/
 410         if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
 411         {
 412
 413           if (flags & SHGFI_USEFILEATTRIBUTES)
 414           {
 415             char sTemp [MAX_PATH];
 416             char * szExt;
 417             DWORD dwNr=0;
 418
 419             lstrcpynA(sTemp, szFullPath, MAX_PATH);
 420
 421             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 422                psfi->iIcon = 2;
 423             else
 424             {
 425                psfi->iIcon = 0;
 426                szExt = (LPSTR) PathFindExtensionA(sTemp);
 427                if ( szExt && HCR_MapTypeToValueA(szExt, sTemp, MAX_PATH, TRUE)
 428                    && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 429                {
 430                   if (!strcmp("%1",sTemp))            /* icon is in the file */
 431                      strcpy(sTemp, szFullPath);
 432
 433                   if (flags & SHGFI_SYSICONINDEX)
 434                   {
 435                       psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr);
 436                       if (psfi->iIcon == -1) psfi->iIcon = 0;
 437                   }
 438                   else
 439                   {
 440                       IconNotYetLoaded=FALSE;
 441                       PrivateExtractIconsA(sTemp,dwNr,(flags & SHGFI_SMALLICON) ?
 442                         GetSystemMetrics(SM_CXSMICON) : GetSystemMetrics(SM_CXICON),
 443                         (flags & SHGFI_SMALLICON) ? GetSystemMetrics(SM_CYSMICON) :
 444                         GetSystemMetrics(SM_CYICON), &psfi->hIcon,0,1,0);
 445                       psfi->iIcon = dwNr;
 446                   }
 447                }
 448             }
 449           }
 450           else
 451           {
 452             if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
 453               (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
 454             {
 455               ret = FALSE;
 456             }
 457           }
 458           if (ret)
 459           {
 460             ret = (DWORD) ((flags & SHGFI_SMALLICON) ? ShellSmallIconList : ShellBigIconList);
 461           }
 462         }
 463
 464         /* icon handle */
 465         if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
 466           psfi->hIcon = ImageList_GetIcon((flags & SHGFI_SMALLICON) ? ShellSmallIconList:ShellBigIconList, psfi->iIcon, ILD_NORMAL);
 467
 468         if (flags & (SHGFI_UNKNOWN1 | SHGFI_UNKNOWN2 | SHGFI_UNKNOWN3))
 469           FIXME("unknown attribute!\n");
 470
 471         if (psfParent)
 472           IShellFolder_Release(psfParent);
 473
 474         if (hr != S_OK)
 475           ret = FALSE;
 476
 477         if(pidlLast) SHFree(pidlLast);
 478 #ifdef MORE_DEBUG
 479         TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
 480                 psfi->hIcon, psfi->iIcon, psfi->dwAttributes, psfi->szDisplayName, psfi->szTypeName, ret);
 481 #endif
 482         return ret;
 483 }
 484
 485 /*************************************************************************
 486  * SHGetFileInfoW                       [SHELL32.@]
 487  */
 488
 489 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
 490                               SHFILEINFOW *psfi, UINT sizeofpsfi,
 491                               UINT flags )
 492 {
 493         INT len;
 494         LPSTR temppath;
 495         DWORD ret;
 496         SHFILEINFOA temppsfi;
 497
 498         if (flags & SHGFI_PIDL) {
 499           /* path contains a pidl */
 500           temppath = (LPSTR) path;
 501         } else {
 502           len = WideCharToMultiByte(CP_ACP, 0, path, -1, NULL, 0, NULL, NULL);
 503           temppath = HeapAlloc(GetProcessHeap(), 0, len);
 504           WideCharToMultiByte(CP_ACP, 0, path, -1, temppath, len, NULL, NULL);
 505         }
 506
 507         if(psfi && (flags & SHGFI_ATTR_SPECIFIED))
 508                temppsfi.dwAttributes=psfi->dwAttributes;
 509
 510         ret = SHGetFileInfoA(temppath, dwFileAttributes, (psfi == NULL)? NULL : &temppsfi, sizeof(temppsfi), flags);
 511
 512         if (psfi)
 513         {
 514             if(flags & SHGFI_ICON)
 515                 psfi->hIcon=temppsfi.hIcon;
 516             if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
 517                 psfi->iIcon=temppsfi.iIcon;
 518             if(flags & SHGFI_ATTRIBUTES)
 519                 psfi->dwAttributes=temppsfi.dwAttributes;
 520             if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
 521                 MultiByteToWideChar(CP_ACP, 0, temppsfi.szDisplayName, -1, psfi->szDisplayName, sizeof(psfi->szDisplayName));
 522             if(flags & SHGFI_TYPENAME)
 523                 MultiByteToWideChar(CP_ACP, 0, temppsfi.szTypeName, -1, psfi->szTypeName, sizeof(psfi->szTypeName));
 524         }
 525         if(!(flags & SHGFI_PIDL)) HeapFree(GetProcessHeap(), 0, temppath);
 526         return ret;
 527 }
 528
 529 /*************************************************************************
 530  * SHGetFileInfo                        [SHELL32.@]
 531  */
 532 DWORD WINAPI SHGetFileInfoAW(
 533         LPCVOID path,
 534         DWORD dwFileAttributes,
 535         LPVOID psfi,
 536         UINT sizeofpsfi,
 537         UINT flags)
 538 {
 539         if(SHELL_OsIsUnicode())
 540           return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 541         return SHGetFileInfoA(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 542 }
 543
 544 /*************************************************************************
 545  * DuplicateIcon                        [SHELL32.@]
 546  */
 547 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
 548 {
 549     ICONINFO IconInfo;
 550     HICON hDupIcon = 0;
 551
 552     TRACE("(%p, %p)\n", hInstance, hIcon);
 553
 554     if(GetIconInfo(hIcon, &IconInfo))
 555     {
 556         hDupIcon = CreateIconIndirect(&IconInfo);
 557
 558         /* clean up hbmMask and hbmColor */
 559         DeleteObject(IconInfo.hbmMask);
 560         DeleteObject(IconInfo.hbmColor);
 561     }
 562
 563     return hDupIcon;
 564 }
 565
 566 /*************************************************************************
 567  * ExtractIconA                         [SHELL32.@]
 568  */
 569 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
 570 {
 571   HICON ret;
 572   INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 573   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 574
 575   TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
 576
 577   MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 578   ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
 579   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 580   return ret;
 581 }
 582
 583 /*************************************************************************
 584  * ExtractIconW                         [SHELL32.@]
 585  */
 586 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
 587 {
 588         HICON  hIcon = NULL;
 589         UINT ret;
 590         UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
 591
 592         TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
 593
 594         if (nIconIndex == 0xFFFFFFFF) {
 595           ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
 596           if (ret != 0xFFFFFFFF && ret)
 597             return (HICON)ret;
 598           return NULL;
 599         }
 600         else
 601           ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
 602
 603         if (ret == 0xFFFFFFFF)
 604           return (HICON)1;
 605         else if (ret > 0 && hIcon)
 606           return hIcon;
 607         return NULL;
 608 }
 609
 610 typedef struct
 611 {
 612     LPCWSTR  szApp;
 613     LPCWSTR  szOtherStuff;
 614     HICON hIcon;
 615 } ABOUT_INFO;
 616
 617 #define         IDC_STATIC_TEXT         100
 618 #define         IDC_LISTBOX             99
 619 #define         IDC_WINE_TEXT           98
 620
 621 #define         DROP_FIELD_TOP          (-15)
 622 #define         DROP_FIELD_HEIGHT       15
 623
 624 static HFONT hIconTitleFont;
 625
 626 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
 627 { HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
 628     if( hWndCtl )
 629   { GetWindowRect( hWndCtl, lprect );
 630         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
 631         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
 632         return TRUE;
 633     }
 634     return FALSE;
 635 }
 636
 637 /*************************************************************************
 638  * SHAppBarMessage                      [SHELL32.@]
 639  */
 640 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
 641 {
 642         int width=data->rc.right - data->rc.left;
 643         int height=data->rc.bottom - data->rc.top;
 644         RECT rec=data->rc;
 645         switch (msg)
 646         { case ABM_GETSTATE:
 647                return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
 648           case ABM_GETTASKBARPOS:
 649                GetWindowRect(data->hWnd, &rec);
 650                data->rc=rec;
 651                return TRUE;
 652           case ABM_ACTIVATE:
 653                SetActiveWindow(data->hWnd);
 654                return TRUE;
 655           case ABM_GETAUTOHIDEBAR:
 656                data->hWnd=GetActiveWindow();
 657                return TRUE;
 658           case ABM_NEW:
 659                SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
 660                                         width,height,SWP_SHOWWINDOW);
 661                return TRUE;
 662           case ABM_QUERYPOS:
 663                GetWindowRect(data->hWnd, &(data->rc));
 664                return TRUE;
 665           case ABM_REMOVE:
 666                FIXME("ABM_REMOVE broken\n");
 667                /* FIXME: this is wrong; should it be DestroyWindow instead? */
 668                /*CloseHandle(data->hWnd);*/
 669                return TRUE;
 670           case ABM_SETAUTOHIDEBAR:
 671                SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
 672                                        width,height,SWP_SHOWWINDOW);
 673                return TRUE;
 674           case ABM_SETPOS:
 675                data->uEdge=(ABE_RIGHT | ABE_LEFT);
 676                SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
 677                                   width,height,SWP_SHOWWINDOW);
 678                return TRUE;
 679           case ABM_WINDOWPOSCHANGED:
 680                return TRUE;
 681           }
 682       return FALSE;
 683 }
 684
 685 /*************************************************************************
 686  * SHHelpShortcuts_RunDLL               [SHELL32.@]
 687  *
 688  */
 689 DWORD WINAPI SHHelpShortcuts_RunDLL (DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
 690 { FIXME("(%lx, %lx, %lx, %lx) empty stub!\n",
 691         dwArg1, dwArg2, dwArg3, dwArg4);
 692
 693   return 0;
 694 }
 695
 696 /*************************************************************************
 697  * SHLoadInProc                         [SHELL32.@]
 698  * Create an instance of specified object class from within
 699  * the shell process and release it immediately
 700  */
 701
 702 DWORD WINAPI SHLoadInProc (REFCLSID rclsid)
 703 {
 704     void *ptr = NULL;
 705
 706     TRACE("%s\n", debugstr_guid(rclsid));
 707
 708     CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,&ptr);
 709     if(ptr)
 710     {
 711         IUnknown * pUnk = ptr;
 712         IUnknown_Release(pUnk);
 713         return NOERROR;
 714     }
 715     return DISP_E_MEMBERNOTFOUND;
 716 }
 717
 718 /*************************************************************************
 719  * AboutDlgProc                 (internal)
 720  */
 721 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 722                               LPARAM lParam )
 723 {
 724     HWND hWndCtl;
 725
 726     TRACE("\n");
 727
 728     switch(msg)
 729     {
 730     case WM_INITDIALOG:
 731         {
 732             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 733             WCHAR Template[512], AppTitle[512];
 734
 735             if (info)
 736             {
 737                 const char* const *pstr = SHELL_Authors;
 738                 SendDlgItemMessageW(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
 739                 GetWindowTextW( hWnd, Template, sizeof(Template)/sizeof(WCHAR) );
 740                 sprintfW( AppTitle, Template, info->szApp );
 741                 SetWindowTextW( hWnd, AppTitle );
 742                 SetWindowTextW( GetDlgItem(hWnd, IDC_STATIC_TEXT), info->szOtherStuff );
 743                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 744                 SendMessageW( hWndCtl, WM_SETREDRAW, 0, 0 );
 745                 if (!hIconTitleFont)
 746                 {
 747                     LOGFONTW logFont;
 748                     SystemParametersInfoW( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
 749                     hIconTitleFont = CreateFontIndirectW( &logFont );
 750                 }
 751                 SendMessageW( hWndCtl, WM_SETFONT, (WPARAM)hIconTitleFont, 0 );
 752                 while (*pstr)
 753                 {
 754                     WCHAR name[64];
 755                     /* authors list is in iso-8859-1 format */
 756                     MultiByteToWideChar( 28591, 0, *pstr, -1, name, sizeof(name)/sizeof(WCHAR) );
 757                     SendMessageW( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)name );
 758                     pstr++;
 759                 }
 760                 SendMessageW( hWndCtl, WM_SETREDRAW, 1, 0 );
 761             }
 762         }
 763         return 1;
 764
 765     case WM_PAINT:
 766       { RECT rect;
 767             PAINTSTRUCT ps;
 768             HDC hDC = BeginPaint( hWnd, &ps );
 769
 770             if( __get_dropline( hWnd, &rect ) ) {
 771                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
 772                 MoveToEx( hDC, rect.left, rect.top, NULL );
 773                 LineTo( hDC, rect.right, rect.bottom );
 774             }
 775             EndPaint( hWnd, &ps );
 776         }
 777         break;
 778
 779     case WM_COMMAND:
 780         if (wParam == IDOK || wParam == IDCANCEL)
 781         {
 782             EndDialog(hWnd, TRUE);
 783             return TRUE;
 784         }
 785         break;
 786     case WM_CLOSE:
 787       EndDialog(hWnd, TRUE);
 788       break;
 789     }
 790
 791     return 0;
 792 }
 793
 794
 795 /*************************************************************************
 796  * ShellAboutA                          [SHELL32.288]
 797  */
 798 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON hIcon )
 799 {
 800     BOOL ret;
 801     LPWSTR appW = NULL, otherW = NULL;
 802     int len;
 803
 804     if (szApp)
 805     {
 806         len = MultiByteToWideChar(CP_ACP, 0, szApp, -1, NULL, 0);
 807         appW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 808         MultiByteToWideChar(CP_ACP, 0, szApp, -1, appW, len);
 809     }
 810     if (szOtherStuff)
 811     {
 812         len = MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, NULL, 0);
 813         otherW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 814         MultiByteToWideChar(CP_ACP, 0, szOtherStuff, -1, otherW, len);
 815     }
 816
 817     ret = ShellAboutW(hWnd, appW, otherW, hIcon);
 818
 819     if (otherW) HeapFree(GetProcessHeap(), 0, otherW);
 820     if (appW) HeapFree(GetProcessHeap(), 0, appW);
 821     return ret;
 822 }
 823
 824
 825 /*************************************************************************
 826  * ShellAboutW                          [SHELL32.289]
 827  */
 828 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 829                              HICON hIcon )
 830 {
 831     ABOUT_INFO info;
 832     HRSRC hRes;
 833     LPVOID template;
 834
 835     TRACE("\n");
 836
 837     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", (LPSTR)RT_DIALOG)))
 838         return FALSE;
 839     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 840         return FALSE;
 841     info.szApp        = szApp;
 842     info.szOtherStuff = szOtherStuff;
 843     info.hIcon        = hIcon ? hIcon : LoadIconW( 0, (LPWSTR)IDI_WINLOGO );
 844     return DialogBoxIndirectParamW((HINSTANCE)GetWindowLongW( hWnd, GWL_HINSTANCE ),
 845                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
 846 }
 847
 848 /*************************************************************************
 849  * FreeIconList (SHELL32.@)
 850  */
 851 void WINAPI FreeIconList( DWORD dw )
 852 { FIXME("(%lx): stub\n",dw);
 853 }
 854
 855 /***********************************************************************
 856  * DllGetVersion [SHELL32.@]
 857  *
 858  * Retrieves version information of the 'SHELL32.DLL'
 859  *
 860  * PARAMS
 861  *     pdvi [O] pointer to version information structure.
 862  *
 863  * RETURNS
 864  *     Success: S_OK
 865  *     Failure: E_INVALIDARG
 866  *
 867  * NOTES
 868  *     Returns version of a shell32.dll from IE4.01 SP1.
 869  */
 870
 871 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
 872 {
 873         if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
 874         {
 875           WARN("wrong DLLVERSIONINFO size from app\n");
 876           return E_INVALIDARG;
 877         }
 878
 879         pdvi->dwMajorVersion = 4;
 880         pdvi->dwMinorVersion = 72;
 881         pdvi->dwBuildNumber = 3110;
 882         pdvi->dwPlatformID = 1;
 883
 884         TRACE("%lu.%lu.%lu.%lu\n",
 885            pdvi->dwMajorVersion, pdvi->dwMinorVersion,
 886            pdvi->dwBuildNumber, pdvi->dwPlatformID);
 887
 888         return S_OK;
 889 }
 890 /*************************************************************************
 891  * global variables of the shell32.dll
 892  * all are once per process
 893  *
 894  */
 895 HINSTANCE       shell32_hInstance = 0;
 896 HIMAGELIST      ShellSmallIconList = 0;
 897 HIMAGELIST      ShellBigIconList = 0;
 898
 899
 900 /*************************************************************************
 901  * SHELL32 DllMain
 902  *
 903  * NOTES
 904  *  calling oleinitialize here breaks sone apps.
 905  */
 906
 907 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 908 {
 909         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 910
 911         switch (fdwReason)
 912         {
 913           case DLL_PROCESS_ATTACH:
 914             shell32_hInstance = hinstDLL;
 915             DisableThreadLibraryCalls(shell32_hInstance);
 916
 917             /* get full path to this DLL for IExtractIconW_fnGetIconLocation() */
 918             GetModuleFileNameW(hinstDLL, swShell32Name, MAX_PATH);
 919             WideCharToMultiByte(CP_ACP, 0, swShell32Name, -1, sShell32Name, MAX_PATH, NULL, NULL);
 920
 921             InitCommonControlsEx(NULL);
 922
 923             SIC_Initialize();
 924             SYSTRAY_Init();
 925             InitChangeNotifications();
 926             break;
 927
 928           case DLL_PROCESS_DETACH:
 929               shell32_hInstance = 0;
 930               SIC_Destroy();
 931               FreeChangeNotifications();
 932               break;
 933         }
 934         return TRUE;
 935 }
 936
 937 /*************************************************************************
 938  * DllInstall         [SHELL32.@]
 939  *
 940  * PARAMETERS
 941  *
 942  *    BOOL bInstall - TRUE for install, FALSE for uninstall
 943  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
 944  */
 945
 946 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
 947 {
 948    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
 949
 950    return S_OK;         /* indicate success */
 951 }
 952
 953 /***********************************************************************
 954  *              DllCanUnloadNow (SHELL32.@)
 955  */
 956 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
 957 {
 958     FIXME("(void): stub\n");
 959
 960     return S_FALSE;
 961 }