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];
 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_EXETYPE) {
 233           BOOL status = FALSE;
 234           HANDLE hfile;
 235           DWORD BinaryType;
 236           IMAGE_DOS_HEADER mz_header;
 237           IMAGE_NT_HEADERS nt;
 238           DWORD len;
 239           char magic[4];
 240
 241           if (flags != SHGFI_EXETYPE) return 0;
 242
 243           status = GetBinaryTypeA (path, &BinaryType);
 244           if (!status) return 0;
 245           if ((BinaryType == SCS_DOS_BINARY)
 246                 || (BinaryType == SCS_PIF_BINARY)) return 0x4d5a;
 247
 248           hfile = CreateFileA( path, GENERIC_READ, FILE_SHARE_READ,
 249                 NULL, OPEN_EXISTING, 0, 0 );
 250           if ( hfile == INVALID_HANDLE_VALUE ) return 0;
 251
 252         /* The next section is adapted from MODULE_GetBinaryType, as we need
 253          * to examine the image header to get OS and version information. We
 254          * know from calling GetBinaryTypeA that the image is valid and either
 255          * an NE or PE, so much error handling can be omitted.
 256          * Seek to the start of the file and read the header information.
 257          */
 258
 259           SetFilePointer( hfile, 0, NULL, SEEK_SET );
 260           ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL );
 261
 262          SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 263          ReadFile( hfile, magic, sizeof(magic), &len, NULL );
 264          if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 265          {
 266              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 267              ReadFile( hfile, &nt, sizeof(nt), &len, NULL );
 268               CloseHandle( hfile );
 269               if (nt.OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
 270                  return IMAGE_NT_SIGNATURE
 271                         | (nt.OptionalHeader.MajorSubsystemVersion << 24)
 272                         | (nt.OptionalHeader.MinorSubsystemVersion << 16);
 273               }
 274               return IMAGE_NT_SIGNATURE;
 275           }
 276          else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 277          {
 278              IMAGE_OS2_HEADER ne;
 279              SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET );
 280              ReadFile( hfile, &ne, sizeof(ne), &len, NULL );
 281               CloseHandle( hfile );
 282              if (ne.ne_exetyp == 2) return IMAGE_OS2_SIGNATURE
 283                         | (ne.ne_expver << 16);
 284               return 0;
 285           }
 286           CloseHandle( hfile );
 287           return 0;
 288       }
 289
 290
 291         /* translate the path into a pidl only when SHGFI_USEFILEATTRIBUTES in not specified
 292            the pidl functions fail on not existing file names */
 293
 294         if (flags & SHGFI_PIDL) {
 295             pidl = ILClone((LPCITEMIDLIST)path);
 296         } else if (!(flags & SHGFI_USEFILEATTRIBUTES)) {
 297             hr = SHILCreateFromPathA(path, &pidl, &dwAttributes);
 298         }
 299
 300         if ((flags & SHGFI_PIDL) || !(flags & SHGFI_USEFILEATTRIBUTES))
 301         {
 302            /* get the parent shellfolder */
 303            if (pidl) {
 304               hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent, &pidlLast);
 305               ILFree(pidl);
 306            } else {
 307               ERR("pidl is null!\n");
 308               return FALSE;
 309            }
 310         }
 311
 312         /* get the attributes of the child */
 313         if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
 314         {
 315           if (!(flags & SHGFI_ATTR_SPECIFIED))
 316           {
 317             psfi->dwAttributes = 0xffffffff;
 318           }
 319           IShellFolder_GetAttributesOf(psfParent, 1 , &pidlLast, &(psfi->dwAttributes));
 320         }
 321
 322         /* get the displayname */
 323         if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
 324         {
 325           if (flags & SHGFI_USEFILEATTRIBUTES)
 326           {
 327             strcpy (psfi->szDisplayName, PathFindFileNameA(path));
 328           }
 329           else
 330           {
 331             STRRET str;
 332             hr = IShellFolder_GetDisplayNameOf(psfParent, pidlLast, SHGDN_INFOLDER, &str);
 333             StrRetToStrNA (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
 334           }
 335         }
 336
 337         /* get the type name */
 338         if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
 339         {
 340             if (!(flags & SHGFI_USEFILEATTRIBUTES))
 341                 _ILGetFileType(pidlLast, psfi->szTypeName, 80);
 342             else
 343             {
 344                 if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 345                    strcat (psfi->szTypeName, "File");
 346                 else
 347                 {
 348                    char sTemp[64];
 349                    strcpy(sTemp,PathFindExtensionA(path));
 350                    if (!( HCR_MapTypeToValueA(sTemp, sTemp, 64, TRUE)
 351                         && HCR_MapTypeToValueA(sTemp, psfi->szTypeName, 80, FALSE )))
 352                    {
 353                        lstrcpynA (psfi->szTypeName, sTemp, 64);
 354                        strcat (psfi->szTypeName, "-file");
 355                    }
 356                 }
 357             }
 358         }
 359
 360         /* ### icons ###*/
 361         if (flags & SHGFI_LINKOVERLAY)
 362           FIXME("set icon to link, stub\n");
 363
 364         if (flags & SHGFI_SELECTED)
 365           FIXME("set icon to selected, stub\n");
 366
 367         if (flags & SHGFI_SHELLICONSIZE)
 368           FIXME("set icon to shell size, stub\n");
 369
 370         /* get the iconlocation */
 371         if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
 372         {
 373           UINT uDummy,uFlags;
 374           hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1, &pidlLast, &IID_IExtractIconA, &uDummy, (LPVOID*)&pei);
 375
 376           if (SUCCEEDED(hr))
 377           {
 378            hr = IExtractIconA_GetIconLocation(pei, (flags & SHGFI_OPENICON)? GIL_OPENICON : 0,szLocation, MAX_PATH, &iIndex, &uFlags);
 379             /* FIXME what to do with the index? */
 380
 381             if(uFlags != GIL_NOTFILENAME)
 382              strcpy (psfi->szDisplayName, szLocation);
 383             else
 384               ret = FALSE;
 385
 386             IExtractIconA_Release(pei);
 387           }
 388         }
 389
 390         /* get icon index (or load icon)*/
 391         if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
 392         {
 393
 394           if (flags & SHGFI_USEFILEATTRIBUTES)
 395           {
 396             char sTemp [MAX_PATH];
 397             char * szExt;
 398             DWORD dwNr=0;
 399
 400             lstrcpynA(sTemp, path, MAX_PATH);
 401
 402             if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 403                psfi->iIcon = 2;
 404             else
 405             {
 406                psfi->iIcon = 0;
 407                szExt = (LPSTR) PathFindExtensionA(sTemp);
 408                if ( szExt && HCR_MapTypeToValueA(szExt, sTemp, MAX_PATH, TRUE)
 409                    && HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
 410                {
 411                   if (!strcmp("%1",sTemp))            /* icon is in the file */
 412                      strcpy(sTemp, path);
 413
 414                   if (flags & SHGFI_SYSICONINDEX)
 415                   {
 416                       psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr);
 417                       if (psfi->iIcon == -1) psfi->iIcon = 0;
 418                   }
 419                   else
 420                   {
 421                       IconNotYetLoaded=FALSE;
 422                       PrivateExtractIconsA(sTemp,dwNr,(flags&SHGFI_LARGEICON) ?
 423                         GetSystemMetrics(SM_CXICON) : GetSystemMetrics(SM_CXSMICON),
 424                         (flags&SHGFI_LARGEICON) ? GetSystemMetrics(SM_CYICON) :
 425                         GetSystemMetrics(SM_CYSMICON), &psfi->hIcon,0,1,0);
 426                       psfi->iIcon = dwNr;
 427                   }
 428                }
 429             }
 430           }
 431           else
 432           {
 433             if (!(PidlToSicIndex(psfParent, pidlLast, (flags & SHGFI_LARGEICON),
 434               (flags & SHGFI_OPENICON)? GIL_OPENICON : 0, &(psfi->iIcon))))
 435             {
 436               ret = FALSE;
 437             }
 438           }
 439           if (ret)
 440           {
 441             ret = (DWORD) ((flags & SHGFI_LARGEICON) ? ShellBigIconList : ShellSmallIconList);
 442           }
 443         }
 444
 445         /* icon handle */
 446         if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
 447           psfi->hIcon = ImageList_GetIcon((flags & SHGFI_LARGEICON) ? ShellBigIconList:ShellSmallIconList, psfi->iIcon, ILD_NORMAL);
 448
 449         if (flags & (SHGFI_UNKNOWN1 | SHGFI_UNKNOWN2 | SHGFI_UNKNOWN3))
 450           FIXME("unknown attribute!\n");
 451
 452         if (psfParent)
 453           IShellFolder_Release(psfParent);
 454
 455         if (hr != S_OK)
 456           ret = FALSE;
 457
 458         if(pidlLast) SHFree(pidlLast);
 459 #ifdef MORE_DEBUG
 460         TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
 461                 psfi->hIcon, psfi->iIcon, psfi->dwAttributes, psfi->szDisplayName, psfi->szTypeName, ret);
 462 #endif
 463         return ret;
 464 }
 465
 466 /*************************************************************************
 467  * SHGetFileInfoW                       [SHELL32.@]
 468  */
 469
 470 DWORD WINAPI SHGetFileInfoW(LPCWSTR path,DWORD dwFileAttributes,
 471                               SHFILEINFOW *psfi, UINT sizeofpsfi,
 472                               UINT flags )
 473 {
 474         INT len;
 475         LPSTR temppath;
 476         DWORD ret;
 477         SHFILEINFOA temppsfi;
 478
 479         if (flags & SHGFI_PIDL) {
 480           /* path contains a pidl */
 481           temppath = (LPSTR) path;
 482         } else {
 483           len = WideCharToMultiByte(CP_ACP, 0, path, -1, NULL, 0, NULL, NULL);
 484           temppath = HeapAlloc(GetProcessHeap(), 0, len);
 485           WideCharToMultiByte(CP_ACP, 0, path, -1, temppath, len, NULL, NULL);
 486         }
 487
 488        if(flags & SHGFI_ATTR_SPECIFIED)
 489                temppsfi.dwAttributes=psfi->dwAttributes;
 490
 491         ret = SHGetFileInfoA(temppath, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);
 492
 493        if(flags & SHGFI_ICON)
 494                psfi->hIcon=temppsfi.hIcon;
 495        if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
 496                psfi->iIcon=temppsfi.iIcon;
 497        if(flags & SHGFI_ATTRIBUTES)
 498                psfi->dwAttributes=temppsfi.dwAttributes;
 499        if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
 500                MultiByteToWideChar(CP_ACP, 0, temppsfi.szDisplayName, -1, psfi->szDisplayName, sizeof(psfi->szDisplayName));
 501        if(flags & SHGFI_TYPENAME)
 502                MultiByteToWideChar(CP_ACP, 0, temppsfi.szTypeName, -1, psfi->szTypeName, sizeof(psfi->szTypeName));
 503
 504         if(!(flags & SHGFI_PIDL)) HeapFree(GetProcessHeap(), 0, temppath);
 505         return ret;
 506 }
 507
 508 /*************************************************************************
 509  * SHGetFileInfo                        [SHELL32.@]
 510  */
 511 DWORD WINAPI SHGetFileInfoAW(
 512         LPCVOID path,
 513         DWORD dwFileAttributes,
 514         LPVOID psfi,
 515         UINT sizeofpsfi,
 516         UINT flags)
 517 {
 518         if(SHELL_OsIsUnicode())
 519           return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 520         return SHGetFileInfoA(path, dwFileAttributes, psfi, sizeofpsfi, flags );
 521 }
 522
 523 /*************************************************************************
 524  * DuplicateIcon                        [SHELL32.@]
 525  */
 526 HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
 527 {
 528     ICONINFO IconInfo;
 529     HICON hDupIcon = 0;
 530
 531     TRACE("(%p, %p)\n", hInstance, hIcon);
 532
 533     if(GetIconInfo(hIcon, &IconInfo))
 534     {
 535         hDupIcon = CreateIconIndirect(&IconInfo);
 536
 537         /* clean up hbmMask and hbmColor */
 538         DeleteObject(IconInfo.hbmMask);
 539         DeleteObject(IconInfo.hbmColor);
 540     }
 541
 542     return hDupIcon;
 543 }
 544
 545 /*************************************************************************
 546  * ExtractIconA                         [SHELL32.@]
 547  */
 548 HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
 549 {
 550   HICON ret;
 551   INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 552   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 553
 554   TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);
 555
 556   MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 557   ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
 558   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 559   return ret;
 560 }
 561
 562 /*************************************************************************
 563  * ExtractIconW                         [SHELL32.@]
 564  */
 565 HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
 566 {
 567         HICON  hIcon = NULL;
 568         UINT ret;
 569         UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);
 570
 571         TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);
 572
 573         if (nIconIndex == -1) {
 574           ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
 575           if (ret != 0xFFFFFFFF && ret)
 576             return (HICON)ret;
 577           return NULL;
 578         }
 579         else
 580           ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);
 581
 582         if (ret == 0xFFFFFFFF)
 583           return (HICON)1;
 584         else if (ret > 0 && hIcon)
 585           return hIcon;
 586         return NULL;
 587 }
 588
 589 typedef struct
 590 { LPCSTR  szApp;
 591     LPCSTR  szOtherStuff;
 592     HICON hIcon;
 593 } ABOUT_INFO;
 594
 595 #define         IDC_STATIC_TEXT         100
 596 #define         IDC_LISTBOX             99
 597 #define         IDC_WINE_TEXT           98
 598
 599 #define         DROP_FIELD_TOP          (-15)
 600 #define         DROP_FIELD_HEIGHT       15
 601
 602 static HFONT hIconTitleFont;
 603
 604 static BOOL __get_dropline( HWND hWnd, LPRECT lprect )
 605 { HWND hWndCtl = GetDlgItem(hWnd, IDC_WINE_TEXT);
 606     if( hWndCtl )
 607   { GetWindowRect( hWndCtl, lprect );
 608         MapWindowPoints( 0, hWnd, (LPPOINT)lprect, 2 );
 609         lprect->bottom = (lprect->top += DROP_FIELD_TOP);
 610         return TRUE;
 611     }
 612     return FALSE;
 613 }
 614
 615 /*************************************************************************
 616  * SHAppBarMessage                      [SHELL32.@]
 617  */
 618 UINT WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
 619 {
 620         int width=data->rc.right - data->rc.left;
 621         int height=data->rc.bottom - data->rc.top;
 622         RECT rec=data->rc;
 623         switch (msg)
 624         { case ABM_GETSTATE:
 625                return ABS_ALWAYSONTOP | ABS_AUTOHIDE;
 626           case ABM_GETTASKBARPOS:
 627                GetWindowRect(data->hWnd, &rec);
 628                data->rc=rec;
 629                return TRUE;
 630           case ABM_ACTIVATE:
 631                SetActiveWindow(data->hWnd);
 632                return TRUE;
 633           case ABM_GETAUTOHIDEBAR:
 634                data->hWnd=GetActiveWindow();
 635                return TRUE;
 636           case ABM_NEW:
 637                SetWindowPos(data->hWnd,HWND_TOP,rec.left,rec.top,
 638                                         width,height,SWP_SHOWWINDOW);
 639                return TRUE;
 640           case ABM_QUERYPOS:
 641                GetWindowRect(data->hWnd, &(data->rc));
 642                return TRUE;
 643           case ABM_REMOVE:
 644                FIXME("ABM_REMOVE broken\n");
 645                /* FIXME: this is wrong; should it be DestroyWindow instead? */
 646                /*CloseHandle(data->hWnd);*/
 647                return TRUE;
 648           case ABM_SETAUTOHIDEBAR:
 649                SetWindowPos(data->hWnd,HWND_TOP,rec.left+1000,rec.top,
 650                                        width,height,SWP_SHOWWINDOW);
 651                return TRUE;
 652           case ABM_SETPOS:
 653                data->uEdge=(ABE_RIGHT | ABE_LEFT);
 654                SetWindowPos(data->hWnd,HWND_TOP,data->rc.left,data->rc.top,
 655                                   width,height,SWP_SHOWWINDOW);
 656                return TRUE;
 657           case ABM_WINDOWPOSCHANGED:
 658                return TRUE;
 659           }
 660       return FALSE;
 661 }
 662
 663 /*************************************************************************
 664  * SHHelpShortcuts_RunDLL               [SHELL32.@]
 665  *
 666  */
 667 DWORD WINAPI SHHelpShortcuts_RunDLL (DWORD dwArg1, DWORD dwArg2, DWORD dwArg3, DWORD dwArg4)
 668 { FIXME("(%lx, %lx, %lx, %lx) empty stub!\n",
 669         dwArg1, dwArg2, dwArg3, dwArg4);
 670
 671   return 0;
 672 }
 673
 674 /*************************************************************************
 675  * SHLoadInProc                         [SHELL32.@]
 676  * Create an instance of specified object class from within
 677  * the shell process and release it immediately
 678  */
 679
 680 DWORD WINAPI SHLoadInProc (REFCLSID rclsid)
 681 {
 682         IUnknown * pUnk = NULL;
 683         TRACE("%s\n", debugstr_guid(rclsid));
 684
 685         CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, &IID_IUnknown,(LPVOID*)pUnk);
 686         if(pUnk)
 687         {
 688           IUnknown_Release(pUnk);
 689           return NOERROR;
 690         }
 691         return DISP_E_MEMBERNOTFOUND;
 692 }
 693
 694 /*************************************************************************
 695  * AboutDlgProc                 (internal)
 696  */
 697 INT_PTR CALLBACK AboutDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 698                               LPARAM lParam )
 699 {   HWND hWndCtl;
 700     char Template[512], AppTitle[512];
 701
 702     TRACE("\n");
 703
 704     switch(msg)
 705     { case WM_INITDIALOG:
 706       { ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 707             if (info)
 708         { const char* const *pstr = SHELL_People;
 709                 SendDlgItemMessageA(hWnd, stc1, STM_SETICON,(WPARAM)info->hIcon, 0);
 710                 GetWindowTextA( hWnd, Template, sizeof(Template) );
 711                 sprintf( AppTitle, Template, info->szApp );
 712                 SetWindowTextA( hWnd, AppTitle );
 713                 SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT),
 714                                   info->szOtherStuff );
 715                 hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 716                 SendMessageA( hWndCtl, WM_SETREDRAW, 0, 0 );
 717                 if (!hIconTitleFont)
 718                 {
 719                     LOGFONTA logFont;
 720                     SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
 721                     hIconTitleFont = CreateFontIndirectA( &logFont );
 722                 }
 723                 SendMessageA( hWndCtl, WM_SETFONT, HICON_16(hIconTitleFont), 0 );
 724                 while (*pstr)
 725           { SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)*pstr );
 726                     pstr++;
 727                 }
 728                 SendMessageA( hWndCtl, WM_SETREDRAW, 1, 0 );
 729             }
 730         }
 731         return 1;
 732
 733     case WM_PAINT:
 734       { RECT rect;
 735             PAINTSTRUCT ps;
 736             HDC hDC = BeginPaint( hWnd, &ps );
 737
 738             if( __get_dropline( hWnd, &rect ) ) {
 739                 SelectObject( hDC, GetStockObject( BLACK_PEN ) );
 740                 MoveToEx( hDC, rect.left, rect.top, NULL );
 741                 LineTo( hDC, rect.right, rect.bottom );
 742             }
 743             EndPaint( hWnd, &ps );
 744         }
 745         break;
 746
 747 #if 0  /* FIXME: should use DoDragDrop */
 748     case WM_LBTRACKPOINT:
 749         hWndCtl = GetDlgItem(hWnd, IDC_LISTBOX);
 750         if( (INT16)GetKeyState( VK_CONTROL ) < 0 )
 751       { if( DragDetect( hWndCtl, *((LPPOINT)&lParam) ) )
 752         { INT idx = SendMessageA( hWndCtl, LB_GETCURSEL, 0, 0 );
 753                 if( idx != -1 )
 754           { INT length = SendMessageA( hWndCtl, LB_GETTEXTLEN, (WPARAM)idx, 0 );
 755                     HGLOBAL16 hMemObj = GlobalAlloc16( GMEM_MOVEABLE, length + 1 );
 756                     char* pstr = (char*)GlobalLock16( hMemObj );
 757
 758                     if( pstr )
 759             { HCURSOR hCursor = LoadCursorA( 0, MAKEINTRESOURCEA(OCR_DRAGOBJECT) );
 760                         SendMessageA( hWndCtl, LB_GETTEXT, (WPARAM)idx, (LPARAM)pstr );
 761                         SendMessageA( hWndCtl, LB_DELETESTRING, (WPARAM)idx, 0 );
 762                         UpdateWindow( hWndCtl );
 763                         if( !DragObject16((HWND16)hWnd, (HWND16)hWnd, DRAGOBJ_DATA, 0, (WORD)hMemObj, hCursor) )
 764                             SendMessageA( hWndCtl, LB_ADDSTRING, (WPARAM)-1, (LPARAM)pstr );
 765                     }
 766             if( hMemObj )
 767               GlobalFree16( hMemObj );
 768                 }
 769             }
 770         }
 771         break;
 772 #endif
 773
 774     case WM_QUERYDROPOBJECT:
 775         if( wParam == 0 )
 776       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 777             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA )
 778         { RECT rect;
 779                 if( __get_dropline( hWnd, &rect ) )
 780           { POINT pt;
 781             pt.x=lpDragInfo->pt.x;
 782             pt.x=lpDragInfo->pt.y;
 783                     rect.bottom += DROP_FIELD_HEIGHT;
 784                     if( PtInRect( &rect, pt ) )
 785             { SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 786                         return TRUE;
 787                     }
 788                 }
 789             }
 790         }
 791         break;
 792
 793     case WM_DROPOBJECT:
 794         if( wParam == (WPARAM)hWnd )
 795       { LPDRAGINFO16 lpDragInfo = MapSL((SEGPTR)lParam);
 796             if( lpDragInfo && lpDragInfo->wFlags == DRAGOBJ_DATA && lpDragInfo->hList )
 797         { char* pstr = (char*)GlobalLock16( (HGLOBAL16)(lpDragInfo->hList) );
 798                 if( pstr )
 799           { static char __appendix_str[] = " with";
 800
 801                     hWndCtl = GetDlgItem( hWnd, IDC_WINE_TEXT );
 802                     SendMessageA( hWndCtl, WM_GETTEXT, 512, (LPARAM)Template );
 803                     if( !strncmp( Template, "WINE", 4 ) )
 804                         SetWindowTextA( GetDlgItem(hWnd, IDC_STATIC_TEXT), Template );
 805                     else
 806           { char* pch = Template + strlen(Template) - strlen(__appendix_str);
 807                         *pch = '\0';
 808                         SendMessageA( GetDlgItem(hWnd, IDC_LISTBOX), LB_ADDSTRING,
 809                                         (WPARAM)-1, (LPARAM)Template );
 810                     }
 811
 812                     strcpy( Template, pstr );
 813                     strcat( Template, __appendix_str );
 814                     SetWindowTextA( hWndCtl, Template );
 815                     SetWindowLongA( hWnd, DWL_MSGRESULT, 1 );
 816                     return TRUE;
 817                 }
 818             }
 819         }
 820         break;
 821
 822     case WM_COMMAND:
 823         if (wParam == IDOK)
 824     {  EndDialog(hWnd, TRUE);
 825             return TRUE;
 826         }
 827         break;
 828     case WM_CLOSE:
 829       EndDialog(hWnd, TRUE);
 830       break;
 831     }
 832
 833     return 0;
 834 }
 835
 836
 837 /*************************************************************************
 838  * ShellAboutA                          [SHELL32.288]
 839  */
 840 BOOL WINAPI ShellAboutA( HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 841                              HICON hIcon )
 842 {   ABOUT_INFO info;
 843     HRSRC hRes;
 844     LPVOID template;
 845     TRACE("\n");
 846
 847     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 848         return FALSE;
 849     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 850         return FALSE;
 851
 852     info.szApp        = szApp;
 853     info.szOtherStuff = szOtherStuff;
 854     info.hIcon        = hIcon;
 855     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 856     return DialogBoxIndirectParamA( (HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 857                                       template, hWnd, AboutDlgProc, (LPARAM)&info );
 858 }
 859
 860
 861 /*************************************************************************
 862  * ShellAboutW                          [SHELL32.289]
 863  */
 864 BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 865                              HICON hIcon )
 866 {   BOOL ret;
 867     ABOUT_INFO info;
 868     HRSRC hRes;
 869     LPVOID template;
 870
 871     TRACE("\n");
 872
 873     if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_ABOUT_MSGBOX", RT_DIALOGA)))
 874         return FALSE;
 875     if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
 876         return FALSE;
 877
 878     info.szApp        = HEAP_strdupWtoA( GetProcessHeap(), 0, szApp );
 879     info.szOtherStuff = HEAP_strdupWtoA( GetProcessHeap(), 0, szOtherStuff );
 880     info.hIcon        = hIcon;
 881     if (!hIcon) info.hIcon = LoadIconA( 0, IDI_WINLOGOA );
 882     ret = DialogBoxIndirectParamA((HINSTANCE)GetWindowLongA( hWnd, GWL_HINSTANCE ),
 883                                    template, hWnd, AboutDlgProc, (LPARAM)&info );
 884     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szApp );
 885     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szOtherStuff );
 886     return ret;
 887 }
 888
 889 /*************************************************************************
 890  * FreeIconList (SHELL32.@)
 891  */
 892 void WINAPI FreeIconList( DWORD dw )
 893 { FIXME("(%lx): stub\n",dw);
 894 }
 895
 896 /***********************************************************************
 897  * DllGetVersion [SHELL32.@]
 898  *
 899  * Retrieves version information of the 'SHELL32.DLL'
 900  *
 901  * PARAMS
 902  *     pdvi [O] pointer to version information structure.
 903  *
 904  * RETURNS
 905  *     Success: S_OK
 906  *     Failure: E_INVALIDARG
 907  *
 908  * NOTES
 909  *     Returns version of a shell32.dll from IE4.01 SP1.
 910  */
 911
 912 HRESULT WINAPI SHELL32_DllGetVersion (DLLVERSIONINFO *pdvi)
 913 {
 914         if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
 915         {
 916           WARN("wrong DLLVERSIONINFO size from app\n");
 917           return E_INVALIDARG;
 918         }
 919
 920         pdvi->dwMajorVersion = 4;
 921         pdvi->dwMinorVersion = 72;
 922         pdvi->dwBuildNumber = 3110;
 923         pdvi->dwPlatformID = 1;
 924
 925         TRACE("%lu.%lu.%lu.%lu\n",
 926            pdvi->dwMajorVersion, pdvi->dwMinorVersion,
 927            pdvi->dwBuildNumber, pdvi->dwPlatformID);
 928
 929         return S_OK;
 930 }
 931 /*************************************************************************
 932  * global variables of the shell32.dll
 933  * all are once per process
 934  *
 935  */
 936 void    (WINAPI *pDLLInitComctl)(LPVOID);
 937
 938 LPVOID  (WINAPI *pCOMCTL32_Alloc) (INT);
 939 BOOL    (WINAPI *pCOMCTL32_Free) (LPVOID);
 940
 941 HANDLE  (WINAPI *pCreateMRUListA) (LPVOID lpcml);
 942 DWORD   (WINAPI *pFreeMRUListA) (HANDLE hMRUList);
 943 INT     (WINAPI *pAddMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData);
 944 INT     (WINAPI *pFindMRUData) (HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum);
 945 INT     (WINAPI *pEnumMRUListA) (HANDLE hList, INT nItemPos, LPVOID lpBuffer, DWORD nBufferSize);
 946
 947 static HINSTANCE        hComctl32;
 948
 949 HINSTANCE       shell32_hInstance = 0;
 950 HIMAGELIST      ShellSmallIconList = 0;
 951 HIMAGELIST      ShellBigIconList = 0;
 952
 953
 954 /*************************************************************************
 955  * SHELL32 DllMain
 956  *
 957  * NOTES
 958  *  calling oleinitialize here breaks sone apps.
 959  */
 960
 961 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 962 {
 963         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 964
 965         switch (fdwReason)
 966         {
 967           case DLL_PROCESS_ATTACH:
 968             shell32_hInstance = hinstDLL;
 969             hComctl32 = GetModuleHandleA("COMCTL32.DLL");
 970             DisableThreadLibraryCalls(shell32_hInstance);
 971
 972             if (!hComctl32)
 973             {
 974               ERR("P A N I C SHELL32 loading failed\n");
 975               return FALSE;
 976             }
 977
 978             /* comctl32 */
 979             pDLLInitComctl=(void*)GetProcAddress(hComctl32,"InitCommonControlsEx");
 980             /* initialize the common controls */
 981             if (pDLLInitComctl)
 982             {
 983               pDLLInitComctl(NULL);
 984             }
 985
 986             SIC_Initialize();
 987             SYSTRAY_Init();
 988             InitChangeNotifications();
 989             SHInitRestricted(NULL, NULL);
 990             break;
 991
 992           case DLL_THREAD_ATTACH:
 993             break;
 994
 995           case DLL_THREAD_DETACH:
 996             break;
 997
 998           case DLL_PROCESS_DETACH:
 999               shell32_hInstance = 0;
1000               SIC_Destroy();
1001               FreeChangeNotifications();
1002               break;
1003         }
1004         return TRUE;
1005 }
1006
1007 /*************************************************************************
1008  * DllInstall         [SHELL32.@]
1009  *
1010  * PARAMETERS
1011  *
1012  *    BOOL bInstall - TRUE for install, FALSE for uninstall
1013  *    LPCWSTR pszCmdLine - command line (unused by shell32?)
1014  */
1015
1016 HRESULT WINAPI SHELL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
1017 {
1018    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
1019
1020    return S_OK;         /* indicate success */
1021 }
1022
1023 /***********************************************************************
1024  *              DllCanUnloadNow (SHELL32.@)
1025  */
1026 HRESULT WINAPI SHELL32_DllCanUnloadNow(void)
1027 {
1028     FIXME("(void): stub\n");
1029
1030     return S_FALSE;
1031 }