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
 302          * is not specified.
 303            The pidl functions fail on not existing file names */
 304
 305         if (flags & SHGFI_PIDL) {
 306             pidl = ILClone((LPCITEMIDLIST)path);
 307         } else if (!(flags & SHGFI_USEFILEATTRIBUTES)) {
 308            hr = SHILCreateFromPathA(szFullPath, &pidl, &dwAttributes);
 309         }
 310
 311         if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
 312         {
 313            /* get the parent shellfolder */
 314            if (pidl) {
 315               hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidlLast);
 316               ILFree(pidl);
 317            } else {
 318               ERR("pidl is null!\n");
 319               return FALSE;
 320            }
 321         }
 322
 323         /* get the attributes of the child */
 324         if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
 325         {
 326           if (!(flags & SHGFI_ATTR_SPECIFIED))
 327           {
 328             psfi->dwAttributes = 0xffffffff;
 329           }
 330           IShellFolder_GetAttributesOf(psfParent, 1 , &pidlLast, &(psfi->dwAttributes));
 331         }
 332
 333         /* get the displayname */
 334         if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
 335         {
 336           if (flags & SHGFI_USEFILEATTRIBUTES)
 337           {
 338            strcpy (psfi->szDisplayName, PathFindFileNameA(szFullPath));
 339           }
 340           else
 341           {
 342             STRRET str;
 343             hr = IShellFolder_GetDisplayNameOf(psfParent, pidlLast, SHGDN_INFOLDER, &str);
 344             StrRetToStrNA (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
 345           }
 346         }
 347
 348         /* get the type name */
 349         if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
 350         {
 351             if (!(flags & SHGFI_USEFILEATTRIBUTES))
 352                 _ILGetFileType(pidlLast, psfi->szTypeName, 80);
 353             else
 354             {
 355                 if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 356                    strcat (psfi->szTypeName, "File");
 357                 else
 358                 {
 359                    char sTemp[64];
 360                    strcpy(sTemp,PathFindExtensionA(szFullPath));
 361                    if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
 362                         && HCR_MapTypeToValueA(sTemp, psfi->szTypeName, 80, FALSE )))
 363                    {
 364                        lstrcpynA (psfi->szTypeName, sTemp, 64);
 365                        strcat (psfi->szTypeName, "-file");
 366                    }
 367                 }
 368             }
 369         }
 370
 371         /* ### icons ###*/
 372         if (flags & SHGFI_LINKOVERLAY)
 373           FIXME("set icon to link, stub\n");
 374
 375         if (flags & SHGFI_SELECTED)
 376           FIXME("set icon to selected, stub\n");
 377
 378         if (flags & SHGFI_SHELLICONSIZE)
 379           FIXME("set icon to shell size, stub\n");
 380
 381         /* get the iconlocation */
 382         if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
 383         {
 384           UINT uDummy,uFlags;
 385           hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1, &pidlLast, &IID_IExtractIconA, &uDummy, (LPVOID*)&pei);
 386
 387           if (SUCCEEDED(hr))
 388           {
 389            hr = IExtractIconA_GetIconLocation(pei, (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,szLocation, MAX_PATH, &iIndex, &uFlags);
 390             /* FIXME what to do with the index? */
 391
 392             if(uFlags != GIL_NOTFILENAME)
 393              strcpy (psfi->szDisplayName, szLocation);
 394             else
 395               ret = FALSE;
 396
 397             IExtractIconA_Release(pei);
 398           }
 399         }
 400
 401         /* get icon index (or load icon)*/
 402         if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
 403         {
 404
 405           if (flags & SHGFI_USEFILEATTRIBUTES)
 406           {
 407             char sTemp [MAX_PATH];
 408             char * szExt;
 409             DWORD dwNr=0;
 410
 411            lstrcpynA(sTemp, szFullPath, MAX_PATH);
 412
 413             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 414                psfi->iIcon = 2;
 415             else
 416             {
 417                psfi->iIcon = 0;
 418                szExt = (LPSTR) PathFindExtensionA(sTemp);
 419                if ( szExt && HCR_MapTypeToValueA(szExt, sTemp, MAX_PATH, TRUE)
 420                    && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 421                {
 422                   if (!strcmp("%1",sTemp))            /* icon is in the file */
 423                      strcpy(sTemp, szFullPath);
 424
 425                   if (flags & SHGFI_SYSICONINDEX)
 426                   {
 427                       psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr);
 428                       if (psfi->iIcon == -1) psfi->iIcon = 0;
 429                   }
 430                   else
 431                   {
 432                       IconNotYetLoaded=FALSE;
 433                       PrivateExtractIconsA(sTemp,dwNr,(flags & SHGFI_SMALLICON) ?
 434                         GetSystemMetrics(SM_CXSMICON) : GetSystemMetrics(SM_CXICON),
 435                         (flags & SHGFI_SMALLICON) ? GetSystemMetrics(SM_CYSMICON) :
 436                         GetSystemMetrics(SM_CYICON), &psfi->hIcon,0,1,0);
 437                       psfi->iIcon = dwNr;
 438                   }
 439                }
 440             }
 441           }
 442           else
 443           {
 444            if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
 445               (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
 446             {
 447               ret = FALSE;
 448             }
 449           }
 450           if (ret)
 451           {
 452            ret = (DWORD) ((flags & SHGFI_SMALLICON) ? ShellSmallIconList : ShellBigIconList);
 453           }
 454         }
 455
 456         /* icon handle */
 457         if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
 458          psfi->hIcon = ImageList_GetIcon((flags & SHGFI_SMALLICON) ? ShellSmallIconList:ShellBigIconList, psfi->iIcon, ILD_NORMAL);
 459
 460         if (flags & (SHGFI_UNKNOWN1 | SHGFI_UNKNOWN2 | SHGFI_UNKNOWN3))
 461           FIXME("unknown attribute!\n");
 462
 463         if (psfParent)
 464           IShellFolder_Release(psfParent);
 465
 466         if (hr != S_OK)
 467           ret = FALSE;
 468
 469         if(pidlLast) SHFree(pidlLast);
 470 #ifdef MORE_DEBUG
 471         TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
 472                 psfi->hIcon, psfi->iIcon, psfi->dwAttributes, psfi->szDisplayName, psfi->szTypeName, ret);
 473 #endif
 474         return ret;
 475 }
 476
 477 /*************************************************************************
 478  * SHGetFileInfoW                       [SHELL32.@]
 479  */
 480
 481 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
 482                               SHFILEINFOW *psfi, UINT sizeofpsfi,
 483                               UINT flags )
 484 {
 485         INT len;
 486         LPSTR temppath;
 487         DWORD ret;
 488         SHFILEINFOA temppsfi;
 489
 490         if (flags & SHGFI_PIDL) {
 491           /* path contains a pidl */
 492           temppath = (LPSTR) path;
 493         } else {
 494           len = WideCharToMultiByte(CP_ACP, 0, path, -1, NULL, 0, NULL, NULL);
 495           temppath = HeapAlloc(GetProcessHeap(), 0, len);
 496           WideCharToMultiByte(CP_ACP, 0, path, -1, temppath, len, NULL, NULL);
 497         }
 498
 499        if(flags & SHGFI_ATTR_SPECIFIED)
 500                temppsfi.dwAttributes=psfi->dwAttributes;
 501
 502         ret = SHGetFileInfoA(temppath, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
 503
 504        if(flags & SHGFI_ICON)
 505                psfi->hIcon=temppsfi.hIcon;
 506        if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
 507                psfi->iIcon=temppsfi.iIcon;
 508        if(flags & SHGFI_ATTRIBUTES)
 509                psfi->dwAttributes=temppsfi.dwAttributes;
 510        if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
 511                MultiByteToWideChar(CP_ACP, 0, temppsfi.szDisplayName, -1, psfi->szDisplayName, sizeof(psfi->szDisplayName));
 512        if(flags & SHGFI_TYPENAME)
 513                MultiByteToWideChar(CP_ACP, 0, temppsfi.szTypeName, -1, psfi->szTypeName, sizeof(psfi->szTypeName));
 514
 515         if(!(flags & SHGFI_PIDL)) HeapFree(GetProcessHeap(), 0, temppath);
 516         return ret;
 517 }
 518
 519 /*************************************************************************
 520  * SHGetFileInfo                        [SHELL32.@]
 521  */
 522 DWORD WINAPI SHGetFileInfoAW(
 523         LPCVOID path,
 524         DWORD dwFileAttributes,
 525         LPVOID psfi,
 526         UINT sizeofpsfi,
 527         UINT flags)
 528 {
 529         if(SHELL_OsIsUnicode())
 530           return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 531         return SHGetFileInfoA(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 532 }
 533
 534 /*************************************************************************
 535  * DuplicateIcon                        [SHELL32.@]
 536  */
 537 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
 538 {
 539     ICONINFO IconInfo;
 540     HICON hDupIcon = 0;
 541
 542     TRACE("(%p, %p)\n", hInstance, hIcon);
 543
 544     if(GetIconInfo(hIcon, &IconInfo))
 545     {
 546         hDupIcon = CreateIconIndirect(&IconInfo);
 547
 548         /* clean up hbmMask and hbmColor */
 549         DeleteObject(IconInfo.hbmMask);
 550         DeleteObject(IconInfo.hbmColor);
 551     }
 552
 553     return hDupIcon;
 554 }
 555
 556 /*************************************************************************
 557  * ExtractIconA                         [SHELL32.@]
 558  */
 559 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
 560 {
 561   HICON ret;
 562   INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 563   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 564
 565   TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
 566
 567   MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 568   ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
 569   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 570   return ret;
 571 }
 572
 573 /*************************************************************************
 574  * ExtractIconW                         [SHELL32.@]
 575  */
 576 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
 577 {
 578         HICON  hIcon = NULL;
 579         UINT ret;
 580         UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
 581
 582         TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
 583
 584         if (nIconIndex == -1) {
 585           ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
 586           if (ret != 0xFFFFFFFF && ret)
 587             return (HICON)ret;
 588           return NULL;
 589         }
 590         else
 591           ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
 592
 593         if (ret == 0xFFFFFFFF)
 594           return (HICON)1;
 595         else if (ret > 0 && hIcon)
 596           return hIcon;
 597         return NULL;
 598 }
 599
 600 typedef struct
 601 { LPCSTR  szApp;
 602     LPCSTR  szOtherStuff;
 603     HICON hIcon;
 604 } ABOUT_INFO;
 605
 606 #define         IDC_STATIC_TEXT         100
 607 #define         IDC_LISTBOX             99
 608 #define         IDC_WINE_TEXT           98
 609
 610 #define         DROP_FIELD_TOP          (-15)
 611 #define         DROP_FIELD_HEIGHT       15
 612
 613 static HFONT hIconTitleFont;
 614
 615 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
 616 { HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
 617     if( hWndCtl )
 618   { GetWindowRect( hWndCtl, lprect );
 619         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
 620         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
 621         return TRUE;
 622     }
 623     return FALSE;
 624 }
 625
 626 /*************************************************************************
 627  * SHAppBarMessage                      [SHELL32.@]
 628  */
 629 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
 630 {
 631         int width=data->rc.right - data->rc.left;
 632         int height=data->rc.bottom - data->rc.top;
 633         RECT rec=data->rc;
 634         switch (msg)
 635         { case ABM_GETSTATE:
 636                return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
 637           case ABM_GETTASKBARPOS:
 638                GetWindowRect(data->hWnd, &rec);
 639                data->rc=rec;
 640                return TRUE;
 641           case ABM_ACTIVATE:
 642                SetActiveWindow(data->hWnd);
 643                return TRUE;
 644           case ABM_GETAUTOHIDEBAR:
 645                data->hWnd=GetActiveWindow();
 646                return TRUE;
 647           case ABM_NEW:
 648                SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
 649                                         width,height,SWP_SHOWWINDOW);
 650                return TRUE;
 651           case ABM_QUERYPOS:
 652                GetWindowRect(data->hWnd, &(data->rc));
 653                return TRUE;
 654           case ABM_REMOVE:
 655                FIXME("ABM_REMOVE broken\n");
 656                /* FIXME: this is wrong; should it be DestroyWindow instead? */
 657                /*CloseHandle(data->hWnd);*/
 658                return TRUE;
 659           case ABM_SETAUTOHIDEBAR:
 660                SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
 661                                        width,height,SWP_SHOWWINDOW);
 662                return TRUE;
 663           case ABM_SETPOS:
 664                data->uEdge=(ABE_RIGHT | ABE_LEFT);
 665                SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
 666                                   width,height,SWP_SHOWWINDOW);
 667                return TRUE;
 668           case ABM_WINDOWPOSCHANGED:
 669                return TRUE;
 670           }
 671       return FALSE;
 672 }
 673
 674 /*************************************************************************
 675  * SHHelpShortcuts_RunDLL               [SHELL32.@]
 676  *
 677  */
 678 DWORD WINAPI SHHelpShortcuts_RunDLL (DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
 679 { FIXME("(%lx, %lx, %lx, %lx) empty stub!\n",
 680         dwArg1, dwArg2, dwArg3, dwArg4);
 681
 682   return 0;
 683 }
 684
 685 /*************************************************************************
 686  * SHLoadInProc                         [SHELL32.@]
 687  * Create an instance of specified object class from within
 688  * the shell process and release it immediately
 689  */
 690
 691 DWORD WINAPI SHLoadInProc (REFCLSID rclsid)
 692 {
 693         IUnknown * pUnk = NULL;
 694         TRACE("%s\n", debugstr_guid(rclsid));
 695
 696         CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,(LPVOID*)pUnk);
 697         if(pUnk)
 698         {
 699           IUnknown_Release(pUnk);
 700           return NOERROR;
 701         }
 702         return DISP_E_MEMBERNOTFOUND;
 703 }
 704
 705 /*************************************************************************
 706  * AboutDlgProc                 (internal)
 707  */
 708 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 709                               LPARAM lParam )
 710 {   HWND hWndCtl;
 711     char Template[512], AppTitle[512];
 712
 713     TRACE("\n");
 714
 715     switch(msg)
 716     { case WM_INITDIALOG:
 717       { ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 718             if (info)
 719         { const char* const *pstr = SHELL_People;
 720                 SendDlgItemMessageA(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
 721                 GetWindowTextA( hWnd, Template, sizeof(Template) );
 722                 sprintf( AppTitle, Template, info->szApp );
 723                 SetWindowTextA( hWnd, AppTitle );
 724                 SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT),
 725                                   info->szOtherStuff );
 726                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 727                 SendMessageA( hWndCtl, WM_SETREDRAW, 0, 0 );
 728                 if (!hIconTitleFont)
 729                 {
 730                     LOGFONTA logFont;
 731                     SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
 732                     hIconTitleFont = CreateFontIndirectA( &logFont );
 733                 }
 734                 SendMessageA( hWndCtl, WM_SETFONT, HICON_16(hIconTitleFont), 0 );
 735                 while (*pstr)
 736           { SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)*pstr );
 737                     pstr++;
 738                 }
 739                 SendMessageA( hWndCtl, WM_SETREDRAW, 1, 0 );
 740             }
 741         }
 742         return 1;
 743
 744     case WM_PAINT:
 745       { RECT rect;
 746             PAINTSTRUCT ps;
 747             HDC hDC = BeginPaint( hWnd, &ps );
 748
 749             if( __get_dropline( hWnd, &rect ) ) {
 750                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
 751                 MoveToEx( hDC, rect.left, rect.top, NULL );
 752                 LineTo( hDC, rect.right, rect.bottom );
 753             }
 754             EndPaint( hWnd, &ps );
 755         }
 756         break;
 757
 758 #if 0  /* FIXME: should use DoDragDrop */
 759     case WM_LBTRACKPOINT:
 760         hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 761         if( (INT16)GetKeyState( VK_CONTROL ) < 0 )
 762       { if( DragDetect( hWndCtl, *((LPPOINT)&lParam) ) )
 763         { INT idx = SendMessageA( hWndCtl, LB_GETCURSEL, 0, 0 );
 764                 if( idx != -1 )
 765           { INT length = SendMessageA( hWndCtl, LB_GETTEXTLEN, (WPARAM)idx, 0 );
 766                     HGLOBAL16 hMemObj = GlobalAlloc16( GMEM_MOVEABLE, length + 1 );
 767                     char* pstr = (char*)GlobalLock16( hMemObj );
 768
 769                     if( pstr )
 770             { HCURSOR hCursor = LoadCursorA( 0, MAKEINTRESOURCEA(OCR_DRAGOBJECT) );
 771                         SendMessageA( hWndCtl, LB_GETTEXT, (WPARAM)idx, (LPARAM)pstr );
 772                         SendMessageA( hWndCtl, LB_DELETESTRING, (WPARAM)idx, 0 );
 773                         UpdateWindow( hWndCtl );
 774                         if( !DragObject16((HWND16)hWnd, (HWND16)hWnd, DRAGOBJ_DATA, 0, (WORD)hMemObj, hCursor) )
 775                             SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)pstr );
 776                     }
 777             if( hMemObj )
 778               GlobalFree16( hMemObj );
 779                 }
 780             }
 781         }
 782         break;
 783 #endif
 784
 785     case WM_QUERYDROPOBJECT:
 786         if( wParam == 0 )
 787       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 788             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA )
 789         { RECT rect;
 790                 if( __get_dropline( hWnd, &rect ) )
 791           { POINT pt;
 792             pt.x=lpDragInfo->pt.x;
 793             pt.x=lpDragInfo->pt.y;
 794                     rect.bottom += DROP_FIELD_HEIGHT;
 795                     if( PtInRect( &rect, pt ) )
 796             { SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 797                         return TRUE;
 798                     }
 799                 }
 800             }
 801         }
 802         break;
 803
 804     case WM_DROPOBJECT:
 805         if( wParam == (WPARAM)hWnd )
 806       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 807             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA && lpDragInfo->hList )
 808         { char* pstr = (char*)GlobalLock16( (HGLOBAL16)(lpDragInfo->hList) );
 809                 if( pstr )
 810           { static char __appendix_str[] = " with";
 811
 812                     hWndCtl = GetDlgItem( hWnd, IDC_WINE_TEXT );
 813                     SendMessageA( hWndCtl, WM_GETTEXT, 512, (LPARAM)Template );
 814                     if( !strncmp( Template, "WINE", 4 ) )
 815                         SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT), Template );
 816                     else
 817           { char* pch = Template + strlen(Template) - strlen(__appendix_str);
 818                         *pch = '\0';
 819                         SendMessageA( GetDlgItem(hWnd, IDC_LISTBOX), LB_ADDSTRING,
 820                                         (WPARAM)-1, (LPARAM)Template );
 821                     }
 822
 823                     strcpy( Template, pstr );
 824                     strcat( Template, __appendix_str );
 825                     SetWindowTextA( hWndCtl, Template );
 826                     SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 827                     return TRUE;
 828                 }
 829             }
 830         }
 831         break;
 832
 833     case WM_COMMAND:
 834         if (wParam == IDOK)
 835     {  EndDialog(hWnd, TRUE);
 836             return TRUE;
 837         }
 838         break;
 839     case WM_CLOSE:
 840       EndDialog(hWnd, TRUE);
 841       break;
 842     }
 843
 844     return 0;
 845 }
 846
 847
 848 /*************************************************************************
 849  * ShellAboutA                          [SHELL32.288]
 850  */
 851 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 852                              HICON hIcon )
 853 {   ABOUT_INFO info;
 854     HRSRC hRes;
 855     LPVOID template;
 856     TRACE("\n");
 857
 858     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 859         return FALSE;
 860     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 861         return FALSE;
 862
 863     info.szApp        = szApp;
 864     info.szOtherStuff = szOtherStuff;
 865     info.hIcon        = hIcon;
 866     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 867     return DialogBoxIndirectParamA( (HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 868                                       template, hWnd, AboutDlgProc, (LPARAM)&info );
 869 }
 870
 871
 872 /*************************************************************************
 873  * ShellAboutW                          [SHELL32.289]
 874  */
 875 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 876                              HICON hIcon )
 877 {   BOOL ret;
 878     ABOUT_INFO info;
 879     HRSRC hRes;
 880     LPVOID template;
 881
 882     TRACE("\n");
 883
 884     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 885         return FALSE;
 886     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 887         return FALSE;
 888
 889     info.szApp        = HEAP_strdupWtoA( GetProcessHeap(), 0, szApp );
 890     info.szOtherStuff = HEAP_strdupWtoA( GetProcessHeap(), 0, szOtherStuff );
 891     info.hIcon        = hIcon;
 892     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 893     ret = DialogBoxIndirectParamA((HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 894                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
 895     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szApp );
 896     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szOtherStuff );
 897     return ret;
 898 }
 899
 900 /*************************************************************************
 901  * FreeIconList (SHELL32.@)
 902  */
 903 void WINAPI FreeIconList( DWORD dw )
 904 { FIXME("(%lx): stub\n",dw);
 905 }
 906
 907 /***********************************************************************
 908  * DllGetVersion [SHELL32.@]
 909  *
 910  * Retrieves version information of the 'SHELL32.DLL'
 911  *
 912  * PARAMS
 913  *     pdvi [O] pointer to version information structure.
 914  *
 915  * RETURNS
 916  *     Success: S_OK
 917  *     Failure: E_INVALIDARG
 918  *
 919  * NOTES
 920  *     Returns version of a shell32.dll from IE4.01 SP1.
 921  */
 922
 923 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
 924 {
 925         if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
 926         {
 927           WARN("wrong DLLVERSIONINFO size from app\n");
 928           return E_INVALIDARG;
 929         }
 930
 931         pdvi->dwMajorVersion = 4;
 932         pdvi->dwMinorVersion = 72;
 933         pdvi->dwBuildNumber = 3110;
 934         pdvi->dwPlatformID = 1;
 935
 936         TRACE("%lu.%lu.%lu.%lu\n",
 937            pdvi->dwMajorVersion, pdvi->dwMinorVersion,
 938            pdvi->dwBuildNumber, pdvi->dwPlatformID);
 939
 940         return S_OK;
 941 }
 942 /*************************************************************************
 943  * global variables of the shell32.dll
 944  * all are once per process
 945  *
 946  */
 947 void    (WINAPI *pDLLInitComctl)(LPVOID);
 948
 949 LPVOID  (WINAPI *pCOMCTL32_Alloc) (INT);
 950 BOOL    (WINAPI *pCOMCTL32_Free) (LPVOID);
 951
 952 HANDLE  (WINAPI *pCreateMRUListA) (LPVOID lpcml);
 953 DWORD   (WINAPI *pFreeMRUListA) (HANDLE hMRUList);
 954 INT     (WINAPI *pAddMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData);
 955 INT     (WINAPI *pFindMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum);
 956 INT     (WINAPI *pEnumMRUListA) (HANDLE hList, INT nItemPos, LPVOID lpBuffer, DWORD nBufferSize);
 957
 958 static HINSTANCE        hComctl32;
 959
 960 HINSTANCE       shell32_hInstance = 0;
 961 HIMAGELIST      ShellSmallIconList = 0;
 962 HIMAGELIST      ShellBigIconList = 0;
 963
 964
 965 /*************************************************************************
 966  * SHELL32 DllMain
 967  *
 968  * NOTES
 969  *  calling oleinitialize here breaks sone apps.
 970  */
 971
 972 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 973 {
 974         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 975
 976         switch (fdwReason)
 977         {
 978           case DLL_PROCESS_ATTACH:
 979             shell32_hInstance = hinstDLL;
 980             hComctl32 = GetModuleHandleA("COMCTL32.DLL");
 981             DisableThreadLibraryCalls(shell32_hInstance);
 982
 983             if (!hComctl32)
 984             {
 985               ERR("P A N I C SHELL32 loading failed\n");
 986               return FALSE;
 987             }
 988
 989             /* comctl32 */
 990             pDLLInitComctl=(void*)GetProcAddress(hComctl32,"InitCommonControlsEx");
 991             /* initialize the common controls */
 992             if (pDLLInitComctl)
 993             {
 994               pDLLInitComctl(NULL);
 995             }
 996
 997             SIC_Initialize();
 998             SYSTRAY_Init();
 999             InitChangeNotifications();
1000             SHInitRestricted(NULL, NULL);
1001             break;
1002
1003           case DLL_THREAD_ATTACH:
1004             break;
1005
1006           case DLL_THREAD_DETACH:
1007             break;
1008
1009           case DLL_PROCESS_DETACH:
1010               shell32_hInstance = 0;
1011               SIC_Destroy();
1012               FreeChangeNotifications();
1013               break;
1014         }
1015         return TRUE;
1016 }
1017
1018 /*************************************************************************
1019  * DllInstall         [SHELL32.@]
1020  *
1021  * PARAMETERS
1022  *
1023  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1024  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1025  */
1026
1027 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
1028 {
1029    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1030
1031    return S_OK;         /* indicate success */
1032 }
1033
1034 /***********************************************************************
1035  *              DllCanUnloadNow (SHELL32.@)
1036  */
1037 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
1038 {
1039     FIXME("(void): stub\n");
1040
1041     return S_FALSE;
1042 }