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 "winternl.h"
  34 #include "dlgs.h"
  35 #include "shellapi.h"
  36 #include "winuser.h"
  37 #include "wingdi.h"
  38 #include "shlobj.h"
  39 #include "shlguid.h"
  40 #include "shlwapi.h"
  41
  42 #include "undocshell.h"
  43 #include "pidl.h"
  44 #include "shell32_main.h"
  45
  46 #include "wine/debug.h"
  47 #include "wine/unicode.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  50
  51 extern const char * const SHELL_Authors[];
  52
  53 #define MORE_DEBUG 1
  54 /*************************************************************************
  55  * CommandLineToArgvW                   [SHELL32.@]
  56  *
  57  * We must interpret the quotes in the command line to rebuild the argv
  58  * array correctly:
  59  * - arguments are separated by spaces or tabs
  60  * - quotes serve as optional argument delimiters
  61  *   '"a b"'   -> 'a b'
  62  * - escaped quotes must be converted back to '"'
  63  *   '\"'      -> '"'
  64  * - an odd number of '\'s followed by '"' correspond to half that number
  65  *   of '\' followed by a '"' (extension of the above)
  66  *   '\\\"'    -> '\"'
  67  *   '\\\\\"'  -> '\\"'
  68  * - an even number of '\'s followed by a '"' correspond to half that number
  69  *   of '\', plus a regular quote serving as an argument delimiter (which
  70  *   means it does not appear in the result)
  71  *   'a\\"b c"'   -> 'a\b c'
  72  *   'a\\\\"b c"' -> 'a\\b c'
  73  * - '\' that are not followed by a '"' are copied literally
  74  *   'a\b'     -> 'a\b'
  75  *   'a\\b'    -> 'a\\b'
  76  *
  77  * Note:
  78  * '\t' == 0x0009
  79  * ' '  == 0x0020
  80  * '"'  == 0x0022
  81  * '\\' == 0x005c
  82  */
  83 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCmdline, int* numargs)
  84 {
  85     DWORD argc;
  86     HGLOBAL hargv;
  87     LPWSTR  *argv;
  88     LPCWSTR cs;
  89     LPWSTR arg,s,d;
  90     LPWSTR cmdline;
  91     int in_quotes,bcount;
  92
  93     if (*lpCmdline==0) {
  94         /* Return the path to the executable */
  95         DWORD size=16;
  96
  97         hargv=GlobalAlloc(size, 0);
  98         argv=GlobalLock(hargv);
  99         while (GetModuleFileNameW(0, (LPWSTR)(argv+1), size-sizeof(LPWSTR)) == 0) {
 100             size*=2;
 101             hargv=GlobalReAlloc(hargv, size, 0);
 102             argv=GlobalLock(hargv);
 103         }
 104         argv[0]=(LPWSTR)(argv+1);
 105         if (numargs)
 106             *numargs=2;
 107
 108         return argv;
 109     }
 110
 111     /* to get a writeable copy */
 112     argc=0;
 113     bcount=0;
 114     in_quotes=0;
 115     cs=lpCmdline;
 116     while (1) {
 117         if (*cs==0 || ((*cs==0x0009 || *cs==0x0020) && !in_quotes)) {
 118             /* space */
 119             argc++;
 120             /* skip the remaining spaces */
 121             while (*cs==0x0009 || *cs==0x0020) {
 122                 cs++;
 123             }
 124             if (*cs==0)
 125                 break;
 126             bcount=0;
 127             continue;
 128         } else if (*cs==0x005c) {
 129             /* '\', count them */
 130             bcount++;
 131         } else if ((*cs==0x0022) && ((bcount & 1)==0)) {
 132             /* unescaped '"' */
 133             in_quotes=!in_quotes;
 134             bcount=0;
 135         } else {
 136             /* a regular character */
 137             bcount=0;
 138         }
 139         cs++;
 140     }
 141     /* Allocate in a single lump, the string array, and the strings that go with it.
 142      * This way the caller can make a single GlobalFree call to free both, as per MSDN.
 143      */
 144     hargv=GlobalAlloc(0, argc*sizeof(LPWSTR)+(strlenW(lpCmdline)+1)*sizeof(WCHAR));
 145     argv=GlobalLock(hargv);
 146     if (!argv)
 147         return NULL;
 148     cmdline=(LPWSTR)(argv+argc);
 149     strcpyW(cmdline, lpCmdline);
 150
 151     argc=0;
 152     bcount=0;
 153     in_quotes=0;
 154     arg=d=s=cmdline;
 155     while (*s) {
 156         if ((*s==0x0009 || *s==0x0020) && !in_quotes) {
 157             /* Close the argument and copy it */
 158             *d=0;
 159             argv[argc++]=arg;
 160
 161             /* skip the remaining spaces */
 162             do {
 163                 s++;
 164             } while (*s==0x0009 || *s==0x0020);
 165
 166             /* Start with a new argument */
 167             arg=d=s;
 168             bcount=0;
 169         } else if (*s==0x005c) {
 170             /* '\\' */
 171             *d++=*s++;
 172             bcount++;
 173         } else if (*s==0x0022) {
 174             /* '"' */
 175             if ((bcount & 1)==0) {
 176                 /* Preceeded by an even number of '\', this is half that
 177                  * number of '\', plus a quote which we erase.
 178                  */
 179                 d-=bcount/2;
 180                 in_quotes=!in_quotes;
 181                 s++;
 182             } else {
 183                 /* Preceeded by an odd number of '\', this is half that
 184                  * number of '\' followed by a '"'
 185                  */
 186                 d=d-bcount/2-1;
 187                 *d++='"';
 188                 s++;
 189             }
 190             bcount=0;
 191         } else {
 192             /* a regular character */
 193             *d++=*s++;
 194             bcount=0;
 195         }
 196     }
 197     if (*arg) {
 198         *d='\0';
 199         argv[argc++]=arg;
 200     }
 201     if (numargs)
 202         *numargs=argc;
 203
 204     return argv;
 205 }
 206
 207 /*************************************************************************
 208  * SHGetFileInfoA                       [SHELL32.@]
 209  *
 210  */
 211
 212 DWORD WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
 213                               SHFILEINFOA *psfi, UINT sizeofpsfi,
 214                               UINT flags )
 215 {
 216        char szLocation[MAX_PATH], szFullPath[MAX_PATH];
 217         int iIndex;
 218         DWORD ret = TRUE, dwAttributes = 0;
 219         IShellFolder * psfParent = NULL;
 220         IExtractIconA * pei = NULL;
 221         LPITEMIDLIST    pidlLast = NULL, pidl = NULL;
 222         HRESULT hr = S_OK;
 223         BOOL IconNotYetLoaded=TRUE;
 224
 225         TRACE("(%s fattr=0x%lx sfi=%p(attr=0x%08lx) size=0x%x flags=0x%x)\n",
 226           (flags & SHGFI_PIDL)? "pidl" : path, dwFileAttributes, psfi, psfi->dwAttributes, sizeofpsfi, flags);
 227
 228         if ((flags & SHGFI_USEFILEATTRIBUTES) && (flags & (SHGFI_ATTRIBUTES|SHGFI_EXETYPE|SHGFI_PIDL)))
 229           return FALSE;
 230
 231         /* windows initializes this values regardless of the flags */
 232         if (psfi != NULL) {
 233             psfi->szDisplayName[0] = '\0';
 234             psfi->szTypeName[0] = '\0';
 235             psfi->iIcon = 0;
 236         }
 237
 238        if (!(flags & SHGFI_PIDL)){
 239             /* SHGitFileInfo should work with absolute and relative paths */
 240             if (PathIsRelativeA(path)){
 241                 GetCurrentDirectoryA(MAX_PATH, szLocation);
 242                 PathCombineA(szFullPath, szLocation, path);
 243             } else {
 244                 lstrcpynA(szFullPath, path, MAX_PATH);
 245             }
 246         }
 247
 248         if (flags & SHGFI_EXETYPE) {
 249           BOOL status = FALSE;
 250           HANDLE hfile;
 251           DWORD BinaryType;
 252           IMAGE_DOS_HEADER mz_header;
 253           IMAGE_NT_HEADERS nt;
 254           DWORD len;
 255           char magic[4];
 256
 257           if (flags != SHGFI_EXETYPE) return 0;
 258
 259          status = GetBinaryTypeA (szFullPath, &BinaryType);
 260           if (!status) return 0;
 261           if ((BinaryType == SCS_DOS_BINARY)
 262                 || (BinaryType == SCS_PIF_BINARY)) return 0x4d5a;
 263
 264          hfile = CreateFileA( szFullPath, GENERIC_READ, FILE_SHARE_READ,
 265                 NULL, OPEN_EXISTING, 0, 0 );
 266           if ( hfile == INVALID_HANDLE_VALUE ) return 0;
 267
 268         /* The next section is adapted from MODULE_GetBinaryType, as we need
 269          * to examine the image header to get OS and version information. We
 270          * know from calling GetBinaryTypeA that the image is valid and either
 271          * an NE or PE, so much error handling can be omitted.
 272          * Seek to the start of the file and read the header information.
 273          */
 274
 275           SetFilePointer( hfile, 0, NULL, SEEK_SET );
 276           ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
 277
 278          SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 279          ReadFile( hfile, magic, sizeof(magic), &len, NULL );
 280          if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 281          {
 282              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 283              ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
 284               CloseHandle( hfile );
 285               if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
 286                  return IMAGE_NT_SIGNATURE
 287                         | (nt.OptionalHeader.MajorSubsystemVersion << 24)
 288                         | (nt.OptionalHeader.MinorSubsystemVersion << 16);
 289               }
 290               return IMAGE_NT_SIGNATURE;
 291           }
 292          else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 293          {
 294              IMAGE_OS2_HEADER ne;
 295              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 296              ReadFile( hfile, &ne, sizeof(ne), &len, NULL );
 297               CloseHandle( hfile );
 298              if (ne.ne_exetyp == 2) return IMAGE_OS2_SIGNATURE
 299                         | (ne.ne_expver << 16);
 300               return 0;
 301           }
 302           CloseHandle( hfile );
 303           return 0;
 304       }
 305
 306       /* psfi is NULL normally to query EXE type. If it is NULL, none of the
 307        * below makes sense anyway. Windows allows this and just returns FALSE */
 308       if (psfi == NULL) return FALSE;
 309
 310         /* translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES
 311          * is not specified.
 312            The pidl functions fail on not existing file names */
 313
 314         if (flags & SHGFI_PIDL) {
 315             pidl = ILClone((LPCITEMIDLIST)path);
 316         } else if (!(flags & SHGFI_USEFILEATTRIBUTES)) {
 317            hr = SHILCreateFromPathA(szFullPath, &pidl, &dwAttributes);
 318         }
 319
 320         if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
 321         {
 322            /* get the parent shellfolder */
 323            if (pidl) {
 324               hr = SHBindToParent(pidl, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&pidlLast);
 325               ILFree(pidl);
 326            } else {
 327               ERR("pidl is null!\n");
 328               return FALSE;
 329            }
 330         }
 331
 332         /* get the attributes of the child */
 333         if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
 334         {
 335           if (!(flags & SHGFI_ATTR_SPECIFIED))
 336           {
 337             psfi->dwAttributes = 0xffffffff;
 338           }
 339           IShellFolder_GetAttributesOf(psfParent, 1, (LPCITEMIDLIST*)&pidlLast, &(psfi->dwAttributes));
 340         }
 341
 342         /* get the displayname */
 343         if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
 344         {
 345           if (flags & SHGFI_USEFILEATTRIBUTES)
 346           {
 347            strcpy (psfi->szDisplayName, PathFindFileNameA(szFullPath));
 348           }
 349           else
 350           {
 351             STRRET str;
 352             hr = IShellFolder_GetDisplayNameOf(psfParent, pidlLast, SHGDN_INFOLDER, &str);
 353             StrRetToStrNA (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
 354           }
 355         }
 356
 357         /* get the type name */
 358         if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
 359         {
 360             if (!(flags & SHGFI_USEFILEATTRIBUTES))
 361                 _ILGetFileType(pidlLast, psfi->szTypeName, 80);
 362             else
 363             {
 364                 if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 365                    strcat (psfi->szTypeName, "File");
 366                 else
 367                 {
 368                    char sTemp[64];
 369                    strcpy(sTemp,PathFindExtensionA(szFullPath));
 370                    if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
 371                         && HCR_MapTypeToValueA(sTemp, psfi->szTypeName, 80, FALSE )))
 372                    {
 373                        lstrcpynA (psfi->szTypeName, sTemp, 64);
 374                        strcat (psfi->szTypeName, "-file");
 375                    }
 376                 }
 377             }
 378         }
 379
 380         /* ### icons ###*/
 381         if (flags & SHGFI_LINKOVERLAY)
 382           FIXME("set icon to link, stub\n");
 383
 384         if (flags & SHGFI_SELECTED)
 385           FIXME("set icon to selected, stub\n");
 386
 387         if (flags & SHGFI_SHELLICONSIZE)
 388           FIXME("set icon to shell size, stub\n");
 389
 390         /* get the iconlocation */
 391         if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
 392         {
 393           UINT uDummy,uFlags;
 394           hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1, (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconA, &uDummy, (LPVOID*)&pei);
 395
 396           if (SUCCEEDED(hr))
 397           {
 398            hr = IExtractIconA_GetIconLocation(pei, (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,szLocation, MAX_PATH, &iIndex, &uFlags);
 399            psfi->iIcon = iIndex;
 400
 401             if(uFlags != GIL_NOTFILENAME)
 402               strcpy (psfi->szDisplayName, szLocation);
 403             else
 404               ret = FALSE;
 405
 406             IExtractIconA_Release(pei);
 407           }
 408         }
 409
 410         /* get icon index (or load icon)*/
 411         if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
 412         {
 413
 414           if (flags & SHGFI_USEFILEATTRIBUTES)
 415           {
 416             char sTemp [MAX_PATH];
 417             char * szExt;
 418             DWORD dwNr=0;
 419
 420             lstrcpynA(sTemp, szFullPath, MAX_PATH);
 421
 422             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 423                psfi->iIcon = 2;
 424             else
 425             {
 426                psfi->iIcon = 0;
 427                szExt = (LPSTR) PathFindExtensionA(sTemp);
 428                if ( szExt && HCR_MapTypeToValueA(szExt, sTemp, MAX_PATH, TRUE)
 429                    && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 430                {
 431                   if (!strcmp("%1",sTemp))            /* icon is in the file */
 432                      strcpy(sTemp, szFullPath);
 433
 434                   if (flags & SHGFI_SYSICONINDEX)
 435                   {
 436                       psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr);
 437                       if (psfi->iIcon == -1) psfi->iIcon = 0;
 438                   }
 439                   else
 440                   {
 441                       IconNotYetLoaded=FALSE;
 442                       PrivateExtractIconsA(sTemp,dwNr,(flags & SHGFI_SMALLICON) ?
 443                         GetSystemMetrics(SM_CXSMICON) : GetSystemMetrics(SM_CXICON),
 444                         (flags & SHGFI_SMALLICON) ? GetSystemMetrics(SM_CYSMICON) :
 445                         GetSystemMetrics(SM_CYICON), &psfi->hIcon,0,1,0);
 446                       psfi->iIcon = dwNr;
 447                   }
 448                }
 449             }
 450           }
 451           else
 452           {
 453             if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
 454               (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
 455             {
 456               ret = FALSE;
 457             }
 458           }
 459           if (ret)
 460           {
 461             ret = (DWORD) ((flags & SHGFI_SMALLICON) ? ShellSmallIconList : ShellBigIconList);
 462           }
 463         }
 464
 465         /* icon handle */
 466         if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
 467           psfi->hIcon = ImageList_GetIcon((flags & SHGFI_SMALLICON) ? ShellSmallIconList:ShellBigIconList, psfi->iIcon, ILD_NORMAL);
 468
 469         if (flags & (SHGFI_UNKNOWN1 | SHGFI_UNKNOWN2 | SHGFI_UNKNOWN3))
 470           FIXME("unknown attribute!\n");
 471
 472         if (psfParent)
 473           IShellFolder_Release(psfParent);
 474
 475         if (hr != S_OK)
 476           ret = FALSE;
 477
 478         if(pidlLast) SHFree(pidlLast);
 479 #ifdef MORE_DEBUG
 480         TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
 481                 psfi->hIcon, psfi->iIcon, psfi->dwAttributes, psfi->szDisplayName, psfi->szTypeName, ret);
 482 #endif
 483         return ret;
 484 }
 485
 486 /*************************************************************************
 487  * SHGetFileInfoW                       [SHELL32.@]
 488  */
 489
 490 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
 491                               SHFILEINFOW *psfi, UINT sizeofpsfi,
 492                               UINT flags )
 493 {
 494         INT len;
 495         LPSTR temppath;
 496         DWORD ret;
 497         SHFILEINFOA temppsfi;
 498
 499         if (flags & SHGFI_PIDL) {
 500           /* path contains a pidl */
 501           temppath = (LPSTR) path;
 502         } else {
 503           len = WideCharToMultiByte(CP_ACP, 0, path, -1, NULL, 0, NULL, NULL);
 504           temppath = HeapAlloc(GetProcessHeap(), 0, len);
 505           WideCharToMultiByte(CP_ACP, 0, path, -1, temppath, len, NULL, NULL);
 506         }
 507
 508         if(psfi && (flags & SHGFI_ATTR_SPECIFIED))
 509                temppsfi.dwAttributes=psfi->dwAttributes;
 510
 511         ret = SHGetFileInfoA(temppath, dwFileAttributes, (psfi == NULL)? NULL : &temppsfi, sizeof(temppsfi), flags);
 512
 513         if (psfi)
 514         {
 515             if(flags & SHGFI_ICON)
 516                 psfi->hIcon=temppsfi.hIcon;
 517             if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
 518                 psfi->iIcon=temppsfi.iIcon;
 519             if(flags & SHGFI_ATTRIBUTES)
 520                 psfi->dwAttributes=temppsfi.dwAttributes;
 521             if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
 522                 MultiByteToWideChar(CP_ACP, 0, temppsfi.szDisplayName, -1, psfi->szDisplayName, sizeof(psfi->szDisplayName));
 523             if(flags & SHGFI_TYPENAME)
 524                 MultiByteToWideChar(CP_ACP, 0, temppsfi.szTypeName, -1, psfi->szTypeName, sizeof(psfi->szTypeName));
 525         }
 526         if(!(flags & SHGFI_PIDL)) HeapFree(GetProcessHeap(), 0, temppath);
 527         return ret;
 528 }
 529
 530 /*************************************************************************
 531  * SHGetFileInfo                        [SHELL32.@]
 532  */
 533 DWORD WINAPI SHGetFileInfoAW(
 534         LPCVOID path,
 535         DWORD dwFileAttributes,
 536         LPVOID psfi,
 537         UINT sizeofpsfi,
 538         UINT flags)
 539 {
 540         if(SHELL_OsIsUnicode())
 541           return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 542         return SHGetFileInfoA(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 543 }
 544
 545 /*************************************************************************
 546  * DuplicateIcon                        [SHELL32.@]
 547  */
 548 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
 549 {
 550     ICONINFO IconInfo;
 551     HICON hDupIcon = 0;
 552
 553     TRACE("(%p, %p)\n", hInstance, hIcon);
 554
 555     if(GetIconInfo(hIcon, &IconInfo))
 556     {
 557         hDupIcon = CreateIconIndirect(&IconInfo);
 558
 559         /* clean up hbmMask and hbmColor */
 560         DeleteObject(IconInfo.hbmMask);
 561         DeleteObject(IconInfo.hbmColor);
 562     }
 563
 564     return hDupIcon;
 565 }
 566
 567 /*************************************************************************
 568  * ExtractIconA                         [SHELL32.@]
 569  */
 570 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
 571 {
 572   HICON ret;
 573   INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 574   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 575
 576   TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
 577
 578   MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 579   ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
 580   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 581   return ret;
 582 }
 583
 584 /*************************************************************************
 585  * ExtractIconW                         [SHELL32.@]
 586  */
 587 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
 588 {
 589         HICON  hIcon = NULL;
 590         UINT ret;
 591         UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
 592
 593         TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
 594
 595         if (nIconIndex == 0xFFFFFFFF) {
 596           ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
 597           if (ret != 0xFFFFFFFF && ret)
 598             return (HICON)ret;
 599           return NULL;
 600         }
 601         else
 602           ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
 603
 604         if (ret == 0xFFFFFFFF)
 605           return (HICON)1;
 606         else if (ret > 0 && hIcon)
 607           return hIcon;
 608         return NULL;
 609 }
 610
 611 typedef struct
 612 {
 613     LPCWSTR  szApp;
 614     LPCWSTR  szOtherStuff;
 615     HICON hIcon;
 616 } ABOUT_INFO;
 617
 618 #define         IDC_STATIC_TEXT         100
 619 #define         IDC_LISTBOX             99
 620 #define         IDC_WINE_TEXT           98
 621
 622 #define         DROP_FIELD_TOP          (-15)
 623 #define         DROP_FIELD_HEIGHT       15
 624
 625 static HFONT hIconTitleFont;
 626
 627 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
 628 { HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
 629     if( hWndCtl )
 630   { GetWindowRect( hWndCtl, lprect );
 631         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
 632         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
 633         return TRUE;
 634     }
 635     return FALSE;
 636 }
 637
 638 /*************************************************************************
 639  * SHAppBarMessage                      [SHELL32.@]
 640  */
 641 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
 642 {
 643         int width=data->rc.right - data->rc.left;
 644         int height=data->rc.bottom - data->rc.top;
 645         RECT rec=data->rc;
 646         switch (msg)
 647         { case ABM_GETSTATE:
 648                return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
 649           case ABM_GETTASKBARPOS:
 650                GetWindowRect(data->hWnd, &rec);
 651                data->rc=rec;
 652                return TRUE;
 653           case ABM_ACTIVATE:
 654                SetActiveWindow(data->hWnd);
 655                return TRUE;
 656           case ABM_GETAUTOHIDEBAR:
 657                data->hWnd=GetActiveWindow();
 658                return TRUE;
 659           case ABM_NEW:
 660                SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
 661                                         width,height,SWP_SHOWWINDOW);
 662                return TRUE;
 663           case ABM_QUERYPOS:
 664                GetWindowRect(data->hWnd, &(data->rc));
 665                return TRUE;
 666           case ABM_REMOVE:
 667                FIXME("ABM_REMOVE broken\n");
 668                /* FIXME: this is wrong; should it be DestroyWindow instead? */
 669                /*CloseHandle(data->hWnd);*/
 670                return TRUE;
 671           case ABM_SETAUTOHIDEBAR:
 672                SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
 673                                        width,height,SWP_SHOWWINDOW);
 674                return TRUE;
 675           case ABM_SETPOS:
 676                data->uEdge=(ABE_RIGHT | ABE_LEFT);
 677                SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
 678                                   width,height,SWP_SHOWWINDOW);
 679                return TRUE;
 680           case ABM_WINDOWPOSCHANGED:
 681                return TRUE;
 682           }
 683       return FALSE;
 684 }
 685
 686 /*************************************************************************
 687  * SHHelpShortcuts_RunDLL               [SHELL32.@]
 688  *
 689  */
 690 DWORD WINAPI SHHelpShortcuts_RunDLL (DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
 691 { FIXME("(%lx, %lx, %lx, %lx) empty stub!\n",
 692         dwArg1, dwArg2, dwArg3, dwArg4);
 693
 694   return 0;
 695 }
 696
 697 /*************************************************************************
 698  * SHLoadInProc                         [SHELL32.@]
 699  * Create an instance of specified object class from within
 700  * the shell process and release it immediately
 701  */
 702
 703 DWORD WINAPI SHLoadInProc (REFCLSID rclsid)
 704 {
 705     void *ptr = NULL;
 706
 707     TRACE("%s\n", debugstr_guid(rclsid));
 708
 709     CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,&ptr);
 710     if(ptr)
 711     {
 712         IUnknown * pUnk = ptr;
 713         IUnknown_Release(pUnk);
 714         return NOERROR;
 715     }
 716     return DISP_E_MEMBERNOTFOUND;
 717 }
 718
 719 /*************************************************************************
 720  * AboutDlgProc                 (internal)
 721  */
 722 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 723                               LPARAM lParam )
 724 {
 725     HWND hWndCtl;
 726
 727     TRACE("\n");
 728
 729     switch(msg)
 730     {
 731     case WM_INITDIALOG:
 732         {
 733             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 734             WCHAR Template[512], AppTitle[512];
 735
 736             if (info)
 737             {
 738                 const char* const *pstr = SHELL_Authors;
 739                 SendDlgItemMessageW(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
 740                 GetWindowTextW( hWnd, Template, sizeof(Template)/sizeof(WCHAR) );
 741                 sprintfW( AppTitle, Template, info->szApp );
 742                 SetWindowTextW( hWnd, AppTitle );
 743                 SetWindowTextW( GetDlgItem(hWnd, IDC_STATIC_TEXT), info->szOtherStuff );
 744                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 745                 SendMessageW( hWndCtl, WM_SETREDRAW, 0, 0 );
 746                 if (!hIconTitleFont)
 747                 {
 748                     LOGFONTW logFont;
 749                     SystemParametersInfoW( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
 750                     hIconTitleFont = CreateFontIndirectW( &logFont );
 751                 }
 752                 SendMessageW( hWndCtl, WM_SETFONT, (WPARAM)hIconTitleFont, 0 );
 753                 while (*pstr)
 754                 {
 755                     WCHAR name[64];
 756                     /* authors list is in iso-8859-1 format */
 757                     MultiByteToWideChar( 28591, 0, *pstr, -1, name, sizeof(name)/sizeof(WCHAR) );
 758                     SendMessageW( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)name );
 759                     pstr++;
 760                 }
 761                 SendMessageW( hWndCtl, WM_SETREDRAW, 1, 0 );
 762             }
 763         }
 764         return 1;
 765
 766     case WM_PAINT:
 767       { RECT rect;
 768             PAINTSTRUCT ps;
 769             HDC hDC = BeginPaint( hWnd, &ps );
 770
 771             if( __get_dropline( hWnd, &rect ) ) {
 772                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
 773                 MoveToEx( hDC, rect.left, rect.top, NULL );
 774                 LineTo( hDC, rect.right, rect.bottom );
 775             }
 776             EndPaint( hWnd, &ps );
 777         }
 778         break;
 779
 780     case WM_COMMAND:
 781         if (wParam == IDOK || wParam == IDCANCEL)
 782         {
 783             EndDialog(hWnd, TRUE);
 784             return TRUE;
 785         }
 786         break;
 787     case WM_CLOSE:
 788       EndDialog(hWnd, TRUE);
 789       break;
 790     }
 791
 792     return 0;
 793 }
 794
 795
 796 /*************************************************************************
 797  * ShellAboutA                          [SHELL32.288]
 798  */
 799 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON hIcon )
 800 {
 801     UNICODE_STRING appW, otherW;
 802     BOOL ret;
 803
 804     RtlCreateUnicodeStringFromAsciiz( &appW, szApp );
 805     RtlCreateUnicodeStringFromAsciiz( &otherW, szOtherStuff );
 806     ret = ShellAboutW( hWnd, appW.Buffer, otherW.Buffer, hIcon );
 807     RtlFreeUnicodeString( &appW );
 808     RtlFreeUnicodeString( &otherW );
 809     return ret;
 810 }
 811
 812
 813 /*************************************************************************
 814  * ShellAboutW                          [SHELL32.289]
 815  */
 816 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 817                              HICON hIcon )
 818 {
 819     ABOUT_INFO info;
 820     HRSRC hRes;
 821     LPVOID template;
 822
 823     TRACE("\n");
 824
 825     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", (LPSTR)RT_DIALOG)))
 826         return FALSE;
 827     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 828         return FALSE;
 829     info.szApp        = szApp;
 830     info.szOtherStuff = szOtherStuff;
 831     info.hIcon        = hIcon ? hIcon : LoadIconW( 0, (LPWSTR)IDI_WINLOGO );
 832     return DialogBoxIndirectParamW((HINSTANCE)GetWindowLongW( hWnd, GWL_HINSTANCE ),
 833                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
 834 }
 835
 836 /*************************************************************************
 837  * FreeIconList (SHELL32.@)
 838  */
 839 void WINAPI FreeIconList( DWORD dw )
 840 { FIXME("(%lx): stub\n",dw);
 841 }
 842
 843 /***********************************************************************
 844  * DllGetVersion [SHELL32.@]
 845  *
 846  * Retrieves version information of the 'SHELL32.DLL'
 847  *
 848  * PARAMS
 849  *     pdvi [O] pointer to version information structure.
 850  *
 851  * RETURNS
 852  *     Success: S_OK
 853  *     Failure: E_INVALIDARG
 854  *
 855  * NOTES
 856  *     Returns version of a shell32.dll from IE4.01 SP1.
 857  */
 858
 859 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
 860 {
 861         if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
 862         {
 863           WARN("wrong DLLVERSIONINFO size from app\n");
 864           return E_INVALIDARG;
 865         }
 866
 867         pdvi->dwMajorVersion = 4;
 868         pdvi->dwMinorVersion = 72;
 869         pdvi->dwBuildNumber = 3110;
 870         pdvi->dwPlatformID = 1;
 871
 872         TRACE("%lu.%lu.%lu.%lu\n",
 873            pdvi->dwMajorVersion, pdvi->dwMinorVersion,
 874            pdvi->dwBuildNumber, pdvi->dwPlatformID);
 875
 876         return S_OK;
 877 }
 878 /*************************************************************************
 879  * global variables of the shell32.dll
 880  * all are once per process
 881  *
 882  */
 883 void    (WINAPI *pDLLInitComctl)(LPVOID);
 884
 885 static HINSTANCE        hComctl32;
 886
 887 HINSTANCE       shell32_hInstance = 0;
 888 HIMAGELIST      ShellSmallIconList = 0;
 889 HIMAGELIST      ShellBigIconList = 0;
 890
 891
 892 /*************************************************************************
 893  * SHELL32 DllMain
 894  *
 895  * NOTES
 896  *  calling oleinitialize here breaks sone apps.
 897  */
 898
 899 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 900 {
 901         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 902
 903         switch (fdwReason)
 904         {
 905           case DLL_PROCESS_ATTACH:
 906             shell32_hInstance = hinstDLL;
 907
 908            /* get full path to this DLL for IExtractIconW_fnGetIconLocation() */
 909            GetModuleFileNameW(hinstDLL, swShell32Name, MAX_PATH);
 910            WideCharToMultiByte(CP_ACP, 0, swShell32Name, -1, sShell32Name, MAX_PATH, NULL, NULL);
 911
 912             hComctl32 = GetModuleHandleA("COMCTL32.DLL");
 913             DisableThreadLibraryCalls(shell32_hInstance);
 914
 915             if (!hComctl32)
 916             {
 917               ERR("P A N I C SHELL32 loading failed\n");
 918               return FALSE;
 919             }
 920
 921             /* comctl32 */
 922             pDLLInitComctl=(void*)GetProcAddress(hComctl32,"InitCommonControlsEx");
 923             /* initialize the common controls */
 924             if (pDLLInitComctl)
 925             {
 926               pDLLInitComctl(NULL);
 927             }
 928
 929             SIC_Initialize();
 930             SYSTRAY_Init();
 931             InitChangeNotifications();
 932             break;
 933
 934           case DLL_PROCESS_DETACH:
 935               shell32_hInstance = 0;
 936               SIC_Destroy();
 937               FreeChangeNotifications();
 938               break;
 939         }
 940         return TRUE;
 941 }
 942
 943 /*************************************************************************
 944  * DllInstall         [SHELL32.@]
 945  *
 946  * PARAMETERS
 947  *
 948  *    BOOL bInstall - TRUE for install, FALSE for uninstall
 949  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
 950  */
 951
 952 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
 953 {
 954    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
 955
 956    return S_OK;         /* indicate success */
 957 }
 958
 959 /***********************************************************************
 960  *              DllCanUnloadNow (SHELL32.@)
 961  */
 962 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
 963 {
 964     FIXME("(void): stub\n");
 965
 966     return S_FALSE;
 967 }