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 <stdio.h>
  27
  28 #include "windef.h"
  29 #include "winerror.h"
  30 #include "winreg.h"
  31 #include "dlgs.h"
  32 #include "shellapi.h"
  33 #include "shlobj.h"
  34 #include "shlguid.h"
  35 #include "shlwapi.h"
  36
  37 #include "undocshell.h"
  38 #include "wine/winuser16.h"
  39 #include "authors.h"
  40 #include "heap.h"
  41 #include "pidl.h"
  42 #include "shell32_main.h"
  43
  44 #include "wine/debug.h"
  45 #include "wine/unicode.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  48
  49 #define MORE_DEBUG 1
  50 /*************************************************************************
  51  * CommandLineToArgvW                   [SHELL32.@]
  52  *
  53  * We must interpret the quotes in the command line to rebuild the argv
  54  * array correctly:
  55  * - arguments are separated by spaces or tabs
  56  * - quotes serve as optional argument delimiters
  57  *   '"a b"'   -> 'a b'
  58  * - escaped quotes must be converted back to '"'
  59  *   '\"'      -> '"'
  60  * - an odd number of '\'s followed by '"' correspond to half that number
  61  *   of '\' followed by a '"' (extension of the above)
  62  *   '\\\"'    -> '\"'
  63  *   '\\\\\"'  -> '\\"'
  64  * - an even number of '\'s followed by a '"' correspond to half that number
  65  *   of '\', plus a regular quote serving as an argument delimiter (which
  66  *   means it does not appear in the result)
  67  *   'a\\"b c"'   -> 'a\b c'
  68  *   'a\\\\"b c"' -> 'a\\b c'
  69  * - '\' that are not followed by a '"' are copied literally
  70  *   'a\b'     -> 'a\b'
  71  *   'a\\b'    -> 'a\\b'
  72  *
  73  * Note:
  74  * '\t' == 0x0009
  75  * ' '  == 0x0020
  76  * '"'  == 0x0022
  77  * '\\' == 0x005c
  78  */
  79 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCmdline, int* numargs)
  80 {
  81     DWORD argc;
  82     HGLOBAL hargv;
  83     LPWSTR  *argv;
  84     LPCWSTR cs;
  85     LPWSTR arg,s,d;
  86     LPWSTR cmdline;
  87     int in_quotes,bcount;
  88
  89     if (*lpCmdline==0) {
  90         /* Return the path to the executable */
  91         DWORD size;
  92
  93         hargv=0;
  94         size=16;
  95         do {
  96             size*=2;
  97             hargv=GlobalReAlloc(hargv, size, 0);
  98             argv=GlobalLock(hargv);
  99         } while (GetModuleFileNameW(0, (LPWSTR)(argv+1), size-sizeof(LPWSTR)) == 0);
 100         argv[0]=(LPWSTR)(argv+1);
 101         if (numargs)
 102             *numargs=2;
 103
 104         return argv;
 105     }
 106
 107     /* to get a writeable copy */
 108     argc=0;
 109     bcount=0;
 110     in_quotes=0;
 111     cs=lpCmdline;
 112     while (1) {
 113         if (*cs==0 || ((*cs==0x0009 || *cs==0x0020) && !in_quotes)) {
 114             /* space */
 115             argc++;
 116             /* skip the remaining spaces */
 117             while (*cs==0x0009 || *cs==0x0020) {
 118                 cs++;
 119             }
 120             if (*cs==0)
 121                 break;
 122             bcount=0;
 123             continue;
 124         } else if (*cs==0x005c) {
 125             /* '\', count them */
 126             bcount++;
 127         } else if ((*cs==0x0022) && ((bcount & 1)==0)) {
 128             /* unescaped '"' */
 129             in_quotes=!in_quotes;
 130             bcount=0;
 131         } else {
 132             /* a regular character */
 133             bcount=0;
 134         }
 135         cs++;
 136     }
 137     /* Allocate in a single lump, the string array, and the strings that go with it.
 138      * This way the caller can make a single GlobalFree call to free both, as per MSDN.
 139      */
 140     hargv=GlobalAlloc(0, argc*sizeof(LPWSTR)+(strlenW(lpCmdline)+1)*sizeof(WCHAR));
 141     argv=GlobalLock(hargv);
 142     if (!argv)
 143         return NULL;
 144     cmdline=(LPWSTR)(argv+argc);
 145     strcpyW(cmdline, lpCmdline);
 146
 147     argc=0;
 148     bcount=0;
 149     in_quotes=0;
 150     arg=d=s=cmdline;
 151     while (*s) {
 152         if ((*s==0x0009 || *s==0x0020) && !in_quotes) {
 153             /* Close the argument and copy it */
 154             *d=0;
 155             argv[argc++]=arg;
 156
 157             /* skip the remaining spaces */
 158             do {
 159                 s++;
 160             } while (*s==0x0009 || *s==0x0020);
 161
 162             /* Start with a new argument */
 163             arg=d=s;
 164             bcount=0;
 165         } else if (*s==0x005c) {
 166             /* '\\' */
 167             *d++=*s++;
 168             bcount++;
 169         } else if (*s==0x0022) {
 170             /* '"' */
 171             if ((bcount & 1)==0) {
 172                 /* Preceeded by an even number of '\', this is half that
 173                  * number of '\', plus a quote which we erase.
 174                  */
 175                 d-=bcount/2;
 176                 in_quotes=!in_quotes;
 177                 s++;
 178             } else {
 179                 /* Preceeded by an odd number of '\', this is half that
 180                  * number of '\' followed by a '"'
 181                  */
 182                 d=d-bcount/2-1;
 183                 *d++='"';
 184                 s++;
 185             }
 186             bcount=0;
 187         } else {
 188             /* a regular character */
 189             *d++=*s++;
 190             bcount=0;
 191         }
 192     }
 193     if (*arg) {
 194         *d='\0';
 195         argv[argc++]=arg;
 196     }
 197     if (numargs)
 198         *numargs=argc;
 199
 200     return argv;
 201 }
 202
 203 /*************************************************************************
 204  * SHGetFileInfoA                       [SHELL32.@]
 205  *
 206  */
 207
 208 DWORD WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
 209                               SHFILEINFOA *psfi, UINT sizeofpsfi,
 210                               UINT flags )
 211 {
 212        char szLocation[MAX_PATH], szFullPath[MAX_PATH];
 213         int iIndex;
 214         DWORD ret = TRUE, dwAttributes = 0;
 215         IShellFolder * psfParent = NULL;
 216         IExtractIconA * pei = NULL;
 217         LPITEMIDLIST    pidlLast = NULL, pidl = NULL;
 218         HRESULT hr = S_OK;
 219         BOOL IconNotYetLoaded=TRUE;
 220
 221         TRACE("(%s fattr=0x%lx sfi=%p(attr=0x%08lx) size=0x%x flags=0x%x)\n",
 222           (flags & SHGFI_PIDL)? "pidl" : path, dwFileAttributes, psfi, psfi->dwAttributes, sizeofpsfi, flags);
 223
 224         if ((flags & SHGFI_USEFILEATTRIBUTES) && (flags & (SHGFI_ATTRIBUTES|SHGFI_EXETYPE|SHGFI_PIDL)))
 225           return FALSE;
 226
 227         /* windows initializes this values regardless of the flags */
 228         psfi->szDisplayName[0] = '\0';
 229         psfi->szTypeName[0] = '\0';
 230         psfi->iIcon = 0;
 231
 232        if (!(flags & SHGFI_PIDL)){
 233             /* SHGitFileInfo should work with absolute and relative paths */
 234             if (PathIsRelativeA(path)){
 235                 GetCurrentDirectoryA(MAX_PATH, szLocation);
 236                 PathCombineA(szFullPath, szLocation, path);
 237             } else {
 238                 lstrcpynA(szFullPath, path, MAX_PATH);
 239             }
 240         }
 241
 242         if (flags & SHGFI_EXETYPE) {
 243           BOOL status = FALSE;
 244           HANDLE hfile;
 245           DWORD BinaryType;
 246           IMAGE_DOS_HEADER mz_header;
 247           IMAGE_NT_HEADERS nt;
 248           DWORD len;
 249           char magic[4];
 250
 251           if (flags != SHGFI_EXETYPE) return 0;
 252
 253          status = GetBinaryTypeA (szFullPath, &BinaryType);
 254           if (!status) return 0;
 255           if ((BinaryType == SCS_DOS_BINARY)
 256                 || (BinaryType == SCS_PIF_BINARY)) return 0x4d5a;
 257
 258          hfile = CreateFileA( szFullPath, GENERIC_READ, FILE_SHARE_READ,
 259                 NULL, OPEN_EXISTING, 0, 0 );
 260           if ( hfile == INVALID_HANDLE_VALUE ) return 0;
 261
 262         /* The next section is adapted from MODULE_GetBinaryType, as we need
 263          * to examine the image header to get OS and version information. We
 264          * know from calling GetBinaryTypeA that the image is valid and either
 265          * an NE or PE, so much error handling can be omitted.
 266          * Seek to the start of the file and read the header information.
 267          */
 268
 269           SetFilePointer( hfile, 0, NULL, SEEK_SET );
 270           ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
 271
 272          SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 273          ReadFile( hfile, magic, sizeof(magic), &len, NULL );
 274          if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 275          {
 276              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 277              ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
 278               CloseHandle( hfile );
 279               if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
 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) return IMAGE_OS2_SIGNATURE
 293                         | (ne.ne_expver << 16);
 294               return 0;
 295           }
 296           CloseHandle( hfile );
 297           return 0;
 298       }
 299
 300
 301         /* translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES in not specified
 302            the pidl functions fail on not existing file names */
 303
 304         if (flags & SHGFI_PIDL) {
 305             pidl = ILClone((LPCITEMIDLIST)path);
 306         } else if (!(flags & SHGFI_USEFILEATTRIBUTES)) {
 307            hr = SHILCreateFromPathA(szFullPath, &pidl, &dwAttributes);
 308         }
 309
 310         if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
 311         {
 312            /* get the parent shellfolder */
 313            if (pidl) {
 314               hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidlLast);
 315               ILFree(pidl);
 316            } else {
 317               ERR("pidl is null!\n");
 318               return FALSE;
 319            }
 320         }
 321
 322         /* get the attributes of the child */
 323         if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
 324         {
 325           if (!(flags & SHGFI_ATTR_SPECIFIED))
 326           {
 327             psfi->dwAttributes = 0xffffffff;
 328           }
 329           IShellFolder_GetAttributesOf(psfParent, 1 , &pidlLast, &(psfi->dwAttributes));
 330         }
 331
 332         /* get the displayname */
 333         if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
 334         {
 335           if (flags & SHGFI_USEFILEATTRIBUTES)
 336           {
 337            strcpy (psfi->szDisplayName, PathFindFileNameA(szFullPath));
 338           }
 339           else
 340           {
 341             STRRET str;
 342             hr = IShellFolder_GetDisplayNameOf(psfParent, pidlLast, SHGDN_INFOLDER, &str);
 343             StrRetToStrNA (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
 344           }
 345         }
 346
 347         /* get the type name */
 348         if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
 349         {
 350             if (!(flags & SHGFI_USEFILEATTRIBUTES))
 351                 _ILGetFileType(pidlLast, psfi->szTypeName, 80);
 352             else
 353             {
 354                 if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 355                    strcat (psfi->szTypeName, "File");
 356                 else
 357                 {
 358                    char sTemp[64];
 359                    strcpy(sTemp,PathFindExtensionA(szFullPath));
 360                    if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
 361                         && HCR_MapTypeToValueA(sTemp, psfi->szTypeName, 80, FALSE )))
 362                    {
 363                        lstrcpynA (psfi->szTypeName, sTemp, 64);
 364                        strcat (psfi->szTypeName, "-file");
 365                    }
 366                 }
 367             }
 368         }
 369
 370         /* ### icons ###*/
 371         if (flags & SHGFI_LINKOVERLAY)
 372           FIXME("set icon to link, stub\n");
 373
 374         if (flags & SHGFI_SELECTED)
 375           FIXME("set icon to selected, stub\n");
 376
 377         if (flags & SHGFI_SHELLICONSIZE)
 378           FIXME("set icon to shell size, stub\n");
 379
 380         /* get the iconlocation */
 381         if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
 382         {
 383           UINT uDummy,uFlags;
 384           hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1, &pidlLast, &IID_IExtractIconA, &uDummy, (LPVOID*)&pei);
 385
 386           if (SUCCEEDED(hr))
 387           {
 388            hr = IExtractIconA_GetIconLocation(pei, (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,szLocation, MAX_PATH, &iIndex, &uFlags);
 389             /* FIXME what to do with the index? */
 390
 391             if(uFlags != GIL_NOTFILENAME)
 392              strcpy (psfi->szDisplayName, szLocation);
 393             else
 394               ret = FALSE;
 395
 396             IExtractIconA_Release(pei);
 397           }
 398         }
 399
 400         /* get icon index (or load icon)*/
 401         if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
 402         {
 403
 404           if (flags & SHGFI_USEFILEATTRIBUTES)
 405           {
 406             char sTemp [MAX_PATH];
 407             char * szExt;
 408             DWORD dwNr=0;
 409
 410            lstrcpynA(sTemp, szFullPath, MAX_PATH);
 411
 412             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 413                psfi->iIcon = 2;
 414             else
 415             {
 416                psfi->iIcon = 0;
 417                szExt = (LPSTR) PathFindExtensionA(sTemp);
 418                if ( szExt && HCR_MapTypeToValueA(szExt, sTemp, MAX_PATH, TRUE)
 419                    && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 420                {
 421                   if (!strcmp("%1",sTemp))            /* icon is in the file */
 422                      strcpy(sTemp, szFullPath);
 423
 424                   if (flags & SHGFI_SYSICONINDEX)
 425                   {
 426                       psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr);
 427                       if (psfi->iIcon == -1) psfi->iIcon = 0;
 428                   }
 429                   else
 430                   {
 431                       IconNotYetLoaded=FALSE;
 432                       PrivateExtractIconsA(sTemp,dwNr,(flags & SHGFI_SMALLICON) ?
 433                         GetSystemMetrics(SM_CXSMICON) : GetSystemMetrics(SM_CXICON),
 434                         (flags & SHGFI_SMALLICON) ? GetSystemMetrics(SM_CYSMICON) :
 435                         GetSystemMetrics(SM_CYICON), &psfi->hIcon,0,1,0);
 436                       psfi->iIcon = dwNr;
 437                   }
 438                }
 439             }
 440           }
 441           else
 442           {
 443            if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
 444               (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
 445             {
 446               ret = FALSE;
 447             }
 448           }
 449           if (ret)
 450           {
 451            ret = (DWORD) ((flags & SHGFI_SMALLICON) ? ShellSmallIconList : ShellBigIconList);
 452           }
 453         }
 454
 455         /* icon handle */
 456         if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
 457          psfi->hIcon = ImageList_GetIcon((flags & SHGFI_SMALLICON) ? ShellSmallIconList:ShellBigIconList, psfi->iIcon, ILD_NORMAL);
 458
 459         if (flags & (SHGFI_UNKNOWN1 | SHGFI_UNKNOWN2 | SHGFI_UNKNOWN3))
 460           FIXME("unknown attribute!\n");
 461
 462         if (psfParent)
 463           IShellFolder_Release(psfParent);
 464
 465         if (hr != S_OK)
 466           ret = FALSE;
 467
 468         if(pidlLast) SHFree(pidlLast);
 469 #ifdef MORE_DEBUG
 470         TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
 471                 psfi->hIcon, psfi->iIcon, psfi->dwAttributes, psfi->szDisplayName, psfi->szTypeName, ret);
 472 #endif
 473         return ret;
 474 }
 475
 476 /*************************************************************************
 477  * SHGetFileInfoW                       [SHELL32.@]
 478  */
 479
 480 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
 481                               SHFILEINFOW *psfi, UINT sizeofpsfi,
 482                               UINT flags )
 483 {
 484         INT len;
 485         LPSTR temppath;
 486         DWORD ret;
 487         SHFILEINFOA temppsfi;
 488
 489         if (flags & SHGFI_PIDL) {
 490           /* path contains a pidl */
 491           temppath = (LPSTR) path;
 492         } else {
 493           len = WideCharToMultiByte(CP_ACP, 0, path, -1, NULL, 0, NULL, NULL);
 494           temppath = HeapAlloc(GetProcessHeap(), 0, len);
 495           WideCharToMultiByte(CP_ACP, 0, path, -1, temppath, len, NULL, NULL);
 496         }
 497
 498        if(flags & SHGFI_ATTR_SPECIFIED)
 499                temppsfi.dwAttributes=psfi->dwAttributes;
 500
 501         ret = SHGetFileInfoA(temppath, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
 502
 503        if(flags & SHGFI_ICON)
 504                psfi->hIcon=temppsfi.hIcon;
 505        if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
 506                psfi->iIcon=temppsfi.iIcon;
 507        if(flags & SHGFI_ATTRIBUTES)
 508                psfi->dwAttributes=temppsfi.dwAttributes;
 509        if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
 510                MultiByteToWideChar(CP_ACP, 0, temppsfi.szDisplayName, -1, psfi->szDisplayName, sizeof(psfi->szDisplayName));
 511        if(flags & SHGFI_TYPENAME)
 512                MultiByteToWideChar(CP_ACP, 0, temppsfi.szTypeName, -1, psfi->szTypeName, sizeof(psfi->szTypeName));
 513
 514         if(!(flags & SHGFI_PIDL)) HeapFree(GetProcessHeap(), 0, temppath);
 515         return ret;
 516 }
 517
 518 /*************************************************************************
 519  * SHGetFileInfo                        [SHELL32.@]
 520  */
 521 DWORD WINAPI SHGetFileInfoAW(
 522         LPCVOID path,
 523         DWORD dwFileAttributes,
 524         LPVOID psfi,
 525         UINT sizeofpsfi,
 526         UINT flags)
 527 {
 528         if(SHELL_OsIsUnicode())
 529           return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 530         return SHGetFileInfoA(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 531 }
 532
 533 /*************************************************************************
 534  * DuplicateIcon                        [SHELL32.@]
 535  */
 536 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
 537 {
 538     ICONINFO IconInfo;
 539     HICON hDupIcon = 0;
 540
 541     TRACE("(%p, %p)\n", hInstance, hIcon);
 542
 543     if(GetIconInfo(hIcon, &IconInfo))
 544     {
 545         hDupIcon = CreateIconIndirect(&IconInfo);
 546
 547         /* clean up hbmMask and hbmColor */
 548         DeleteObject(IconInfo.hbmMask);
 549         DeleteObject(IconInfo.hbmColor);
 550     }
 551
 552     return hDupIcon;
 553 }
 554
 555 /*************************************************************************
 556  * ExtractIconA                         [SHELL32.@]
 557  */
 558 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
 559 {
 560   HICON ret;
 561   INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 562   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 563
 564   TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
 565
 566   MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 567   ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
 568   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 569   return ret;
 570 }
 571
 572 /*************************************************************************
 573  * ExtractIconW                         [SHELL32.@]
 574  */
 575 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
 576 {
 577         HICON  hIcon = NULL;
 578         UINT ret;
 579         UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
 580
 581         TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
 582
 583         if (nIconIndex == -1) {
 584           ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
 585           if (ret != 0xFFFFFFFF && ret)
 586             return (HICON)ret;
 587           return NULL;
 588         }
 589         else
 590           ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
 591
 592         if (ret == 0xFFFFFFFF)
 593           return (HICON)1;
 594         else if (ret > 0 && hIcon)
 595           return hIcon;
 596         return NULL;
 597 }
 598
 599 typedef struct
 600 { LPCSTR  szApp;
 601     LPCSTR  szOtherStuff;
 602     HICON hIcon;
 603 } ABOUT_INFO;
 604
 605 #define         IDC_STATIC_TEXT         100
 606 #define         IDC_LISTBOX             99
 607 #define         IDC_WINE_TEXT           98
 608
 609 #define         DROP_FIELD_TOP          (-15)
 610 #define         DROP_FIELD_HEIGHT       15
 611
 612 static HFONT hIconTitleFont;
 613
 614 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
 615 { HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
 616     if( hWndCtl )
 617   { GetWindowRect( hWndCtl, lprect );
 618         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
 619         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
 620         return TRUE;
 621     }
 622     return FALSE;
 623 }
 624
 625 /*************************************************************************
 626  * SHAppBarMessage                      [SHELL32.@]
 627  */
 628 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
 629 {
 630         int width=data->rc.right - data->rc.left;
 631         int height=data->rc.bottom - data->rc.top;
 632         RECT rec=data->rc;
 633         switch (msg)
 634         { case ABM_GETSTATE:
 635                return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
 636           case ABM_GETTASKBARPOS:
 637                GetWindowRect(data->hWnd, &rec);
 638                data->rc=rec;
 639                return TRUE;
 640           case ABM_ACTIVATE:
 641                SetActiveWindow(data->hWnd);
 642                return TRUE;
 643           case ABM_GETAUTOHIDEBAR:
 644                data->hWnd=GetActiveWindow();
 645                return TRUE;
 646           case ABM_NEW:
 647                SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
 648                                         width,height,SWP_SHOWWINDOW);
 649                return TRUE;
 650           case ABM_QUERYPOS:
 651                GetWindowRect(data->hWnd, &(data->rc));
 652                return TRUE;
 653           case ABM_REMOVE:
 654                FIXME("ABM_REMOVE broken\n");
 655                /* FIXME: this is wrong; should it be DestroyWindow instead? */
 656                /*CloseHandle(data->hWnd);*/
 657                return TRUE;
 658           case ABM_SETAUTOHIDEBAR:
 659                SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
 660                                        width,height,SWP_SHOWWINDOW);
 661                return TRUE;
 662           case ABM_SETPOS:
 663                data->uEdge=(ABE_RIGHT | ABE_LEFT);
 664                SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
 665                                   width,height,SWP_SHOWWINDOW);
 666                return TRUE;
 667           case ABM_WINDOWPOSCHANGED:
 668                return TRUE;
 669           }
 670       return FALSE;
 671 }
 672
 673 /*************************************************************************
 674  * SHHelpShortcuts_RunDLL               [SHELL32.@]
 675  *
 676  */
 677 DWORD WINAPI SHHelpShortcuts_RunDLL (DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
 678 { FIXME("(%lx, %lx, %lx, %lx) empty stub!\n",
 679         dwArg1, dwArg2, dwArg3, dwArg4);
 680
 681   return 0;
 682 }
 683
 684 /*************************************************************************
 685  * SHLoadInProc                         [SHELL32.@]
 686  * Create an instance of specified object class from within
 687  * the shell process and release it immediately
 688  */
 689
 690 DWORD WINAPI SHLoadInProc (REFCLSID rclsid)
 691 {
 692         IUnknown * pUnk = NULL;
 693         TRACE("%s\n", debugstr_guid(rclsid));
 694
 695         CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,(LPVOID*)pUnk);
 696         if(pUnk)
 697         {
 698           IUnknown_Release(pUnk);
 699           return NOERROR;
 700         }
 701         return DISP_E_MEMBERNOTFOUND;
 702 }
 703
 704 /*************************************************************************
 705  * AboutDlgProc                 (internal)
 706  */
 707 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 708                               LPARAM lParam )
 709 {   HWND hWndCtl;
 710     char Template[512], AppTitle[512];
 711
 712     TRACE("\n");
 713
 714     switch(msg)
 715     { case WM_INITDIALOG:
 716       { ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 717             if (info)
 718         { const char* const *pstr = SHELL_People;
 719                 SendDlgItemMessageA(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
 720                 GetWindowTextA( hWnd, Template, sizeof(Template) );
 721                 sprintf( AppTitle, Template, info->szApp );
 722                 SetWindowTextA( hWnd, AppTitle );
 723                 SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT),
 724                                   info->szOtherStuff );
 725                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 726                 SendMessageA( hWndCtl, WM_SETREDRAW, 0, 0 );
 727                 if (!hIconTitleFont)
 728                 {
 729                     LOGFONTA logFont;
 730                     SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
 731                     hIconTitleFont = CreateFontIndirectA( &logFont );
 732                 }
 733                 SendMessageA( hWndCtl, WM_SETFONT, HICON_16(hIconTitleFont), 0 );
 734                 while (*pstr)
 735           { SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)*pstr );
 736                     pstr++;
 737                 }
 738                 SendMessageA( hWndCtl, WM_SETREDRAW, 1, 0 );
 739             }
 740         }
 741         return 1;
 742
 743     case WM_PAINT:
 744       { RECT rect;
 745             PAINTSTRUCT ps;
 746             HDC hDC = BeginPaint( hWnd, &ps );
 747
 748             if( __get_dropline( hWnd, &rect ) ) {
 749                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
 750                 MoveToEx( hDC, rect.left, rect.top, NULL );
 751                 LineTo( hDC, rect.right, rect.bottom );
 752             }
 753             EndPaint( hWnd, &ps );
 754         }
 755         break;
 756
 757 #if 0  /* FIXME: should use DoDragDrop */
 758     case WM_LBTRACKPOINT:
 759         hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 760         if( (INT16)GetKeyState( VK_CONTROL ) < 0 )
 761       { if( DragDetect( hWndCtl, *((LPPOINT)&lParam) ) )
 762         { INT idx = SendMessageA( hWndCtl, LB_GETCURSEL, 0, 0 );
 763                 if( idx != -1 )
 764           { INT length = SendMessageA( hWndCtl, LB_GETTEXTLEN, (WPARAM)idx, 0 );
 765                     HGLOBAL16 hMemObj = GlobalAlloc16( GMEM_MOVEABLE, length + 1 );
 766                     char* pstr = (char*)GlobalLock16( hMemObj );
 767
 768                     if( pstr )
 769             { HCURSOR hCursor = LoadCursorA( 0, MAKEINTRESOURCEA(OCR_DRAGOBJECT) );
 770                         SendMessageA( hWndCtl, LB_GETTEXT, (WPARAM)idx, (LPARAM)pstr );
 771                         SendMessageA( hWndCtl, LB_DELETESTRING, (WPARAM)idx, 0 );
 772                         UpdateWindow( hWndCtl );
 773                         if( !DragObject16((HWND16)hWnd, (HWND16)hWnd, DRAGOBJ_DATA, 0, (WORD)hMemObj, hCursor) )
 774                             SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)pstr );
 775                     }
 776             if( hMemObj )
 777               GlobalFree16( hMemObj );
 778                 }
 779             }
 780         }
 781         break;
 782 #endif
 783
 784     case WM_QUERYDROPOBJECT:
 785         if( wParam == 0 )
 786       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 787             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA )
 788         { RECT rect;
 789                 if( __get_dropline( hWnd, &rect ) )
 790           { POINT pt;
 791             pt.x=lpDragInfo->pt.x;
 792             pt.x=lpDragInfo->pt.y;
 793                     rect.bottom += DROP_FIELD_HEIGHT;
 794                     if( PtInRect( &rect, pt ) )
 795             { SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 796                         return TRUE;
 797                     }
 798                 }
 799             }
 800         }
 801         break;
 802
 803     case WM_DROPOBJECT:
 804         if( wParam == (WPARAM)hWnd )
 805       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 806             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA && lpDragInfo->hList )
 807         { char* pstr = (char*)GlobalLock16( (HGLOBAL16)(lpDragInfo->hList) );
 808                 if( pstr )
 809           { static char __appendix_str[] = " with";
 810
 811                     hWndCtl = GetDlgItem( hWnd, IDC_WINE_TEXT );
 812                     SendMessageA( hWndCtl, WM_GETTEXT, 512, (LPARAM)Template );
 813                     if( !strncmp( Template, "WINE", 4 ) )
 814                         SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT), Template );
 815                     else
 816           { char* pch = Template + strlen(Template) - strlen(__appendix_str);
 817                         *pch = '\0';
 818                         SendMessageA( GetDlgItem(hWnd, IDC_LISTBOX), LB_ADDSTRING,
 819                                         (WPARAM)-1, (LPARAM)Template );
 820                     }
 821
 822                     strcpy( Template, pstr );
 823                     strcat( Template, __appendix_str );
 824                     SetWindowTextA( hWndCtl, Template );
 825                     SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 826                     return TRUE;
 827                 }
 828             }
 829         }
 830         break;
 831
 832     case WM_COMMAND:
 833         if (wParam == IDOK)
 834     {  EndDialog(hWnd, TRUE);
 835             return TRUE;
 836         }
 837         break;
 838     case WM_CLOSE:
 839       EndDialog(hWnd, TRUE);
 840       break;
 841     }
 842
 843     return 0;
 844 }
 845
 846
 847 /*************************************************************************
 848  * ShellAboutA                          [SHELL32.288]
 849  */
 850 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 851                              HICON hIcon )
 852 {   ABOUT_INFO info;
 853     HRSRC hRes;
 854     LPVOID template;
 855     TRACE("\n");
 856
 857     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 858         return FALSE;
 859     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 860         return FALSE;
 861
 862     info.szApp        = szApp;
 863     info.szOtherStuff = szOtherStuff;
 864     info.hIcon        = hIcon;
 865     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 866     return DialogBoxIndirectParamA( (HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 867                                       template, hWnd, AboutDlgProc, (LPARAM)&info );
 868 }
 869
 870
 871 /*************************************************************************
 872  * ShellAboutW                          [SHELL32.289]
 873  */
 874 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 875                              HICON hIcon )
 876 {   BOOL ret;
 877     ABOUT_INFO info;
 878     HRSRC hRes;
 879     LPVOID template;
 880
 881     TRACE("\n");
 882
 883     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 884         return FALSE;
 885     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 886         return FALSE;
 887
 888     info.szApp        = HEAP_strdupWtoA( GetProcessHeap(), 0, szApp );
 889     info.szOtherStuff = HEAP_strdupWtoA( GetProcessHeap(), 0, szOtherStuff );
 890     info.hIcon        = hIcon;
 891     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 892     ret = DialogBoxIndirectParamA((HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 893                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
 894     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szApp );
 895     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szOtherStuff );
 896     return ret;
 897 }
 898
 899 /*************************************************************************
 900  * FreeIconList (SHELL32.@)
 901  */
 902 void WINAPI FreeIconList( DWORD dw )
 903 { FIXME("(%lx): stub\n",dw);
 904 }
 905
 906 /***********************************************************************
 907  * DllGetVersion [SHELL32.@]
 908  *
 909  * Retrieves version information of the 'SHELL32.DLL'
 910  *
 911  * PARAMS
 912  *     pdvi [O] pointer to version information structure.
 913  *
 914  * RETURNS
 915  *     Success: S_OK
 916  *     Failure: E_INVALIDARG
 917  *
 918  * NOTES
 919  *     Returns version of a shell32.dll from IE4.01 SP1.
 920  */
 921
 922 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
 923 {
 924         if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
 925         {
 926           WARN("wrong DLLVERSIONINFO size from app\n");
 927           return E_INVALIDARG;
 928         }
 929
 930         pdvi->dwMajorVersion = 4;
 931         pdvi->dwMinorVersion = 72;
 932         pdvi->dwBuildNumber = 3110;
 933         pdvi->dwPlatformID = 1;
 934
 935         TRACE("%lu.%lu.%lu.%lu\n",
 936            pdvi->dwMajorVersion, pdvi->dwMinorVersion,
 937            pdvi->dwBuildNumber, pdvi->dwPlatformID);
 938
 939         return S_OK;
 940 }
 941 /*************************************************************************
 942  * global variables of the shell32.dll
 943  * all are once per process
 944  *
 945  */
 946 void    (WINAPI *pDLLInitComctl)(LPVOID);
 947
 948 LPVOID  (WINAPI *pCOMCTL32_Alloc) (INT);
 949 BOOL    (WINAPI *pCOMCTL32_Free) (LPVOID);
 950
 951 HANDLE  (WINAPI *pCreateMRUListA) (LPVOID lpcml);
 952 DWORD   (WINAPI *pFreeMRUListA) (HANDLE hMRUList);
 953 INT     (WINAPI *pAddMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData);
 954 INT     (WINAPI *pFindMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum);
 955 INT     (WINAPI *pEnumMRUListA) (HANDLE hList, INT nItemPos, LPVOID lpBuffer, DWORD nBufferSize);
 956
 957 static HINSTANCE        hComctl32;
 958
 959 HINSTANCE       shell32_hInstance = 0;
 960 HIMAGELIST      ShellSmallIconList = 0;
 961 HIMAGELIST      ShellBigIconList = 0;
 962
 963
 964 /*************************************************************************
 965  * SHELL32 DllMain
 966  *
 967  * NOTES
 968  *  calling oleinitialize here breaks sone apps.
 969  */
 970
 971 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 972 {
 973         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 974
 975         switch (fdwReason)
 976         {
 977           case DLL_PROCESS_ATTACH:
 978             shell32_hInstance = hinstDLL;
 979             hComctl32 = GetModuleHandleA("COMCTL32.DLL");
 980             DisableThreadLibraryCalls(shell32_hInstance);
 981
 982             if (!hComctl32)
 983             {
 984               ERR("P A N I C SHELL32 loading failed\n");
 985               return FALSE;
 986             }
 987
 988             /* comctl32 */
 989             pDLLInitComctl=(void*)GetProcAddress(hComctl32,"InitCommonControlsEx");
 990             /* initialize the common controls */
 991             if (pDLLInitComctl)
 992             {
 993               pDLLInitComctl(NULL);
 994             }
 995
 996             SIC_Initialize();
 997             SYSTRAY_Init();
 998             InitChangeNotifications();
 999             SHInitRestricted(NULL, NULL);
1000             break;
1001
1002           case DLL_THREAD_ATTACH:
1003             break;
1004
1005           case DLL_THREAD_DETACH:
1006             break;
1007
1008           case DLL_PROCESS_DETACH:
1009               shell32_hInstance = 0;
1010               SIC_Destroy();
1011               FreeChangeNotifications();
1012               break;
1013         }
1014         return TRUE;
1015 }
1016
1017 /*************************************************************************
1018  * DllInstall         [SHELL32.@]
1019  *
1020  * PARAMETERS
1021  *
1022  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1023  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1024  */
1025
1026 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
1027 {
1028    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1029
1030    return S_OK;         /* indicate success */
1031 }
1032
1033 /***********************************************************************
1034  *              DllCanUnloadNow (SHELL32.@)
1035  */
1036 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
1037 {
1038     FIXME("(void): stub\n");
1039
1040     return S_FALSE;
1041 }