git.oblomov.eu Git - wine/blob - dlls/shell32/iconcache.c

   1 /*
   2  *      shell icon cache (SIC)
   3  *
   4  */
   5 #include <string.h>
   6 #include "winbase.h"
   7 #include "winuser.h"
   8 #include "wingdi.h"
   9 #include "wine/winuser16.h"
  10 #include "wine/winbase16.h"
  11 #include "neexe.h"
  12 #include "cursoricon.h"
  13 #include "module.h"
  14 #include "heap.h"
  15 #include "debugtools.h"
  16 #include "winversion.h"
  17
  18 #include "shellapi.h"
  19 #include "pidl.h"
  20 #include "shell32_main.h"
  21
  22 DEFAULT_DEBUG_CHANNEL(shell)
  23
  24 #include "pshpack1.h"
  25
  26 typedef struct
  27 {
  28     BYTE        bWidth;          /* Width, in pixels, of the image      */
  29     BYTE        bHeight;         /* Height, in pixels, of the image     */
  30     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  31     BYTE        bReserved;       /* Reserved ( must be 0)               */
  32     WORD        wPlanes;         /* Color Planes                        */
  33     WORD        wBitCount;       /* Bits per pixel                      */
  34     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  35     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  36 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  37
  38 typedef struct
  39 {
  40     WORD            idReserved;   /* Reserved (must be 0) */
  41     WORD            idType;       /* Resource Type (RES_ICON or RES_CURSOR) */
  42     WORD            idCount;      /* How many images */
  43     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  44 } icoICONDIR, *LPicoICONDIR;
  45
  46 #include "poppack.h"
  47
  48 #if 0
  49 static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
  50 {
  51         TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
  52         TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
  53         TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
  54         entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
  55 }
  56 static void dumpIcoDir ( LPicoICONDIR entry )
  57 {
  58         TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
  59 }
  60 #endif
  61 /*************************************************************************
  62  *                              SHELL_GetResourceTable
  63  */
  64 static DWORD SHELL_GetResourceTable(HFILE hFile, LPBYTE *retptr)
  65 {       IMAGE_DOS_HEADER        mz_header;
  66         char                    magic[4];
  67         int                     size;
  68
  69         TRACE("0x%08x %p\n", hFile, retptr);
  70
  71         *retptr = NULL;
  72         _llseek( hFile, 0, SEEK_SET );
  73         if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
  74         { if (mz_header.e_cblp == 1)    /* .ICO file ? */
  75           { *retptr = (LPBYTE)-1;       /* ICONHEADER.idType, must be 1 */
  76             return 1;
  77           }
  78           else
  79             return 0; /* failed */
  80         }
  81         _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
  82
  83         if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
  84           return 0;
  85
  86         _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
  87
  88         if (*(DWORD*)magic  == IMAGE_NT_SIGNATURE)
  89           return IMAGE_NT_SIGNATURE;
  90
  91         if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
  92         { IMAGE_OS2_HEADER      ne_header;
  93           LPBYTE                pTypeInfo = (LPBYTE)-1;
  94
  95           if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
  96             return 0;
  97
  98           if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
  99             return 0;
 100
 101           size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
 102
 103           if( size > sizeof(NE_TYPEINFO) )
 104           { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
 105             if( pTypeInfo )
 106             { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
 107               if( _lread( hFile, (char*)pTypeInfo, size) != size )
 108               { HeapFree( GetProcessHeap(), 0, pTypeInfo);
 109                 pTypeInfo = NULL;
 110               }
 111             }
 112           }
 113           *retptr = pTypeInfo;
 114           return IMAGE_OS2_SIGNATURE;
 115         }
 116         return 0; /* failed */
 117 }
 118 /*************************************************************************
 119  *                      SHELL_LoadResource
 120  */
 121 static BYTE * SHELL_LoadResource( HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
 122 {       BYTE*  ptr;
 123
 124         TRACE("0x%08x %p 0x%08x\n", hFile, pNInfo, sizeShift);
 125
 126         *uSize = (DWORD)pNInfo->length << sizeShift;
 127         if( (ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
 128         { _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
 129           _lread( hFile, (char*)ptr, pNInfo->length << sizeShift);
 130           return ptr;
 131         }
 132         return 0;
 133 }
 134
 135 /*************************************************************************
 136  *                      ICO_LoadIcon
 137  */
 138 static BYTE * ICO_LoadIcon( HFILE hFile, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
 139 {       BYTE*  ptr;
 140
 141         TRACE("0x%08x %p\n", hFile, lpiIDE);
 142
 143         *uSize = lpiIDE->dwBytesInRes;
 144         if( (ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize)) )
 145         { _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
 146           _lread( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
 147           return ptr;
 148         }
 149
 150         return 0;
 151 }
 152
 153 /*************************************************************************
 154  *                      ICO_GetIconDirectory
 155  *
 156  * Reads .ico file and build phony ICONDIR struct
 157  * see http://www.microsoft.com/win32dev/ui/icons.htm
 158  */
 159 #define HEADER_SIZE             (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
 160 #define HEADER_SIZE_FILE        (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
 161
 162 static BYTE * ICO_GetIconDirectory( HFILE hFile, LPicoICONDIR* lplpiID, ULONG *uSize )
 163 {       CURSORICONDIR   lpcid;  /* icon resource in resource-dir format */
 164         LPicoICONDIR    lpiID;  /* icon resource in file format */
 165         int             i;
 166
 167         TRACE("0x%08x %p\n", hFile, lplpiID);
 168
 169         _llseek( hFile, 0, SEEK_SET );
 170         if( _lread(hFile,(char*)&lpcid, HEADER_SIZE_FILE) != HEADER_SIZE_FILE )
 171           return 0;
 172
 173         if( lpcid.idReserved || (lpcid.idType != 1) || (!lpcid.idCount) )
 174           return 0;
 175
 176         i = lpcid.idCount * sizeof(icoICONDIRENTRY);
 177         lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, HEADER_SIZE_FILE + i);
 178
 179         if( _lread(hFile,(char*)lpiID->idEntries,i) == i )
 180         { CURSORICONDIR * lpID;                 /* icon resource in resource format */
 181           *uSize = lpcid.idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
 182           if( (lpID = (CURSORICONDIR*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
 183           {
 184             /* copy the header */
 185             lpID->idReserved    = lpiID->idReserved = 0;
 186             lpID->idType        = lpiID->idType = 1;
 187             lpID->idCount       = lpiID->idCount = lpcid.idCount;
 188
 189             /* copy the entrys */
 190             for( i=0; i < lpiID->idCount; i++ )
 191             { memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpiID->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
 192               lpID->idEntries[i].wResId = i;
 193             }
 194
 195             *lplpiID = lpiID;
 196             return (BYTE *)lpID;
 197           }
 198         }
 199         /* fail */
 200
 201         HeapFree( GetProcessHeap(), 0, lpiID);
 202         return 0;
 203 }
 204
 205 /*************************************************************************
 206  *
 207  * returns
 208  *  failure:0; success: icon handle or nr of icons (nIconIndex-1)
 209  */
 210 HICON WINAPI ICO_ExtractIconEx(LPCSTR lpszExeFileName, HICON * RetPtr, UINT nIconIndex, UINT n, UINT cxDesired, UINT cyDesired )
 211 {       HGLOBAL         hRet = 0;
 212         LPBYTE          pData;
 213         OFSTRUCT        ofs;
 214         DWORD           sig;
 215         HFILE           hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
 216         UINT16          iconDirCount = 0,iconCount = 0;
 217         LPBYTE          peimage;
 218         HANDLE          fmapping;
 219         ULONG           uSize;
 220
 221         TRACE("(file %s,start %d,extract %d\n", lpszExeFileName, nIconIndex, n);
 222
 223         if( hFile == HFILE_ERROR || (nIconIndex!=-1 && !n) )
 224           return hRet;
 225
 226         sig = SHELL_GetResourceTable(hFile,&pData);
 227
 228 /* ico file */
 229         if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
 230         { BYTE          *pCIDir = 0;
 231           NE_TYPEINFO   *pTInfo = (NE_TYPEINFO*)(pData + 2);
 232           NE_NAMEINFO   *pIconStorage = NULL;
 233           NE_NAMEINFO   *pIconDir = NULL;
 234           LPicoICONDIR  lpiID = NULL;
 235
 236           TRACE("-- OS2/icon Signature (0x%08lx)\n", sig);
 237
 238           if( pData == (BYTE*)-1 )
 239           { pCIDir = ICO_GetIconDirectory(hFile, &lpiID, &uSize);       /* check for .ICO file */
 240             if( pCIDir )
 241             { iconDirCount = 1; iconCount = lpiID->idCount;
 242               TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
 243             }
 244           }
 245           else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 246           { if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )      /* find icon directory and icon repository */
 247             { iconDirCount = pTInfo->count;
 248               pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 249               TRACE("\tfound directory - %i icon families\n", iconDirCount);
 250             }
 251             if( pTInfo->type_id == NE_RSCTYPE_ICON )
 252             { iconCount = pTInfo->count;
 253               pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 254               TRACE("\ttotal icons - %i\n", iconCount);
 255             }
 256             pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 257           }
 258
 259           if( (pIconStorage && pIconDir) || lpiID )       /* load resources and create icons */
 260           { if( nIconIndex == (UINT16)-1 )
 261             { RetPtr[0] = iconDirCount;
 262             }
 263             else if( nIconIndex < iconDirCount )
 264             { UINT16   i, icon;
 265               if( n > iconDirCount - nIconIndex )
 266                 n = iconDirCount - nIconIndex;
 267
 268               for( i = nIconIndex; i < nIconIndex + n; i++ )
 269               { /* .ICO files have only one icon directory */
 270
 271                 if( lpiID == NULL )     /* *.ico */
 272                   pCIDir = SHELL_LoadResource( hFile, pIconDir + i, *(WORD*)pData, &uSize );
 273                 RetPtr[i-nIconIndex] = pLookupIconIdFromDirectoryEx( pCIDir, TRUE,  GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0);
 274                 HeapFree(GetProcessHeap(), 0, pCIDir);
 275               }
 276
 277               for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 278               { pCIDir = NULL;
 279                 if( lpiID )
 280                 { pCIDir = ICO_LoadIcon( hFile, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
 281                 }
 282                 else
 283                 { for( i = 0; i < iconCount; i++ )
 284                   { if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 285                     { pCIDir = SHELL_LoadResource( hFile, pIconStorage + i,*(WORD*)pData, &uSize );
 286                     }
 287                   }
 288                 }
 289                 if( pCIDir )
 290                 { RetPtr[icon-nIconIndex] = (HICON) pCreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 291                 }
 292                 else
 293                 { RetPtr[icon-nIconIndex] = 0;
 294                 }
 295               }
 296             }
 297           }
 298           if( lpiID )
 299             HeapFree( GetProcessHeap(), 0, lpiID);
 300           else
 301             HeapFree( GetProcessHeap(), 0, pData);
 302         }
 303 /* end ico file */
 304
 305 /* exe/dll */
 306         if( sig == IMAGE_NT_SIGNATURE)
 307         { LPBYTE                idata,igdata;
 308           PIMAGE_DOS_HEADER     dheader;
 309           PIMAGE_NT_HEADERS     pe_header;
 310           PIMAGE_SECTION_HEADER pe_sections;
 311           PIMAGE_RESOURCE_DIRECTORY     rootresdir,iconresdir,icongroupresdir;
 312           PIMAGE_RESOURCE_DATA_ENTRY    idataent,igdataent;
 313           PIMAGE_RESOURCE_DIRECTORY_ENTRY       xresent;
 314           int                   i,j;
 315
 316           if ( !(fmapping = CreateFileMappingA(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL)))
 317           { WARN("failed to create filemap.\n");        /* FIXME, INVALID_HANDLE_VALUE? */
 318             goto end_2;         /* failure */
 319           }
 320
 321           if ( !(peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
 322           { WARN("failed to mmap filemap.\n");
 323             goto end_2;         /* failure */
 324           }
 325
 326           dheader = (PIMAGE_DOS_HEADER)peimage;
 327           pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew);     /* it is a pe header, SHELL_GetResourceTable checked that */
 328           pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
 329           rootresdir = NULL;
 330
 331           for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
 332           { if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
 333               continue;
 334             /* FIXME: doesn't work when the resources are not in a seperate section */
 335             if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
 336             { rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData);
 337               break;
 338             }
 339           }
 340
 341           if (!rootresdir)
 342           { WARN("haven't found section for resource directory.\n");
 343             goto end_3;         /* failure */
 344           }
 345   /* search the group icon dir*/
 346           if (!(icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICONW, (DWORD)rootresdir,FALSE)))
 347           { WARN("No Icongroupresourcedirectory!\n");
 348             goto end_3;         /* failure */
 349           }
 350           iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries;
 351
 352   /* number of icons requested */
 353           if( nIconIndex == -1 )
 354           { hRet = iconDirCount;
 355             goto end_3;         /* success */
 356           }
 357
 358           if (nIconIndex >= iconDirCount)
 359           { WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
 360             goto end_3;         /* failure */
 361           }
 362
 363           xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);       /* caller just wanted the number of entries */
 364
 365           if( n > iconDirCount - nIconIndex )   /* assure we don't get too much ... */
 366           { n = iconDirCount - nIconIndex;
 367           }
 368
 369           xresent = xresent+nIconIndex;         /* starting from specified index ... */
 370
 371           for (i=0;i<n;i++,xresent++)
 372           { PIMAGE_RESOURCE_DIRECTORY   resdir;
 373
 374             /* go down this resource entry, name */
 375             resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
 376
 377             /* default language (0) */
 378             resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
 379             igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
 380
 381             /* lookup address in mapped image for virtual address */
 382             igdata = NULL;
 383
 384             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 385             { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
 386                 continue;
 387               if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 388                 continue;
 389               igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 390             }
 391
 392             if (!igdata)
 393             { WARN("no matching real address for icongroup!\n");
 394               goto end_3;       /* failure */
 395             }
 396             RetPtr[i] = (HICON)pLookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 397           }
 398
 399           if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,(DWORD)rootresdir,FALSE)))
 400           { WARN("No Iconresourcedirectory!\n");
 401             goto end_3;         /* failure */
 402           }
 403
 404           for (i=0;i<n;i++)
 405           { PIMAGE_RESOURCE_DIRECTORY   xresdir;
 406             xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
 407             xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
 408             idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
 409             idata = NULL;
 410
 411             /* map virtual to address in image */
 412             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 413             { if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
 414                 continue;
 415               if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 416                 continue;
 417               idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 418             }
 419             if (!idata)
 420             { WARN("no matching real address found for icondata!\n");
 421               RetPtr[i]=0;
 422               continue;
 423             }
 424             RetPtr[i] = (HICON) pCreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 425           }
 426           hRet = RetPtr[0];     /* return first icon */
 427           goto end_3;           /* sucess */
 428         }
 429         goto end_1;             /* unknown filetype */
 430
 431 /* cleaning up (try & catch would be nicer:-) ) */
 432 end_3:  UnmapViewOfFile(peimage);       /* success */
 433 end_2:  CloseHandle(fmapping);
 434 end_1:  _lclose( hFile);
 435         return hRet;
 436 }
 437
 438 /********************** THE ICON CACHE ********************************/
 439
 440 #define INVALID_INDEX -1
 441
 442 typedef struct
 443 {       LPCSTR sSourceFile;     /* file (not path!) containing the icon */
 444         DWORD dwSourceIndex;    /* index within the file, if it is a resoure ID it will be negated */
 445         DWORD dwListIndex;      /* index within the iconlist */
 446         DWORD dwFlags;          /* GIL_* flags */
 447         DWORD dwAccessTime;
 448 } SIC_ENTRY, * LPSIC_ENTRY;
 449
 450 static HDPA             sic_hdpa = 0;
 451 static CRITICAL_SECTION SHELL32_SicCS;
 452
 453 /*****************************************************************************
 454  * SIC_CompareEntrys                    [called by comctl32.dll]
 455  *
 456  * NOTES
 457  *  Callback for DPA_Search
 458  */
 459 INT CALLBACK SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
 460 {       TRACE("%p %p\n", p1, p2);
 461
 462         if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
 463           return 1;
 464
 465         if (strcasecmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
 466           return 1;
 467
 468         return 0;
 469 }
 470 /*****************************************************************************
 471  * SIC_IconAppend                       [internal]
 472  *
 473  * NOTES
 474  *  appends a icon pair to the end of the cache
 475  */
 476 static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
 477 {       LPSIC_ENTRY lpsice;
 478         INT ret, index, index1;
 479
 480         TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
 481
 482         lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
 483
 484         lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(), 0, PathFindFilenameA(sSourceFile));
 485         lpsice->dwSourceIndex = dwSourceIndex;
 486
 487         EnterCriticalSection(&SHELL32_SicCS);
 488
 489         index = pDPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
 490         if ( INVALID_INDEX == index )
 491         {
 492           SHFree(lpsice);
 493           ret = INVALID_INDEX;
 494         }
 495         else
 496         {
 497           index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
 498           index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
 499
 500           if (index!=index1)
 501           {
 502             FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
 503           }
 504           lpsice->dwListIndex = index;
 505           ret = lpsice->dwListIndex;
 506         }
 507
 508         LeaveCriticalSection(&SHELL32_SicCS);
 509         return ret;
 510 }
 511 /****************************************************************************
 512  * SIC_LoadIcon                         [internal]
 513  *
 514  * NOTES
 515  *  gets small/big icon by number from a file
 516  */
 517 static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
 518 {       HICON   hiconLarge=0;
 519         HICON   hiconSmall=0;
 520
 521         ICO_ExtractIconEx(sSourceFile, &hiconLarge, dwSourceIndex, 1, 32, 32  );
 522         ICO_ExtractIconEx(sSourceFile, &hiconSmall, dwSourceIndex, 1, 16, 16  );
 523
 524
 525         if ( !hiconLarge ||  !hiconSmall)
 526         {
 527           WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
 528           return -1;
 529         }
 530         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
 531 }
 532 /*****************************************************************************
 533  * SIC_GetIconIndex                     [internal]
 534  *
 535  * Parameters
 536  *      sSourceFile     [IN]    filename of file containing the icon
 537  *      index           [IN]    index/resID (negated) in this file
 538  *
 539  * NOTES
 540  *  look in the cache for a proper icon. if not available the icon is taken
 541  *  from the file and cached
 542  */
 543 INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
 544 {       SIC_ENTRY sice;
 545         INT ret, index = INVALID_INDEX;
 546
 547         TRACE("%s %i\n", sSourceFile, dwSourceIndex);
 548
 549         sice.sSourceFile = PathFindFilenameA(sSourceFile);
 550         sice.dwSourceIndex = dwSourceIndex;
 551
 552         EnterCriticalSection(&SHELL32_SicCS);
 553
 554         if (NULL != pDPA_GetPtr (sic_hdpa, 0))
 555         {
 556           index = pDPA_Search (sic_hdpa, &sice, -1L, SIC_CompareEntrys, 0, 0);
 557         }
 558
 559         if ( INVALID_INDEX == index )
 560         {
 561           ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
 562         }
 563         else
 564         {
 565           TRACE("-- found\n");
 566           ret = ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
 567         }
 568
 569         LeaveCriticalSection(&SHELL32_SicCS);
 570         return ret;
 571 }
 572 /****************************************************************************
 573  * SIC_LoadIcon                         [internal]
 574  *
 575  * NOTES
 576  *  retrives the specified icon from the iconcache. if not found try's to load the icon
 577  */
 578 static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
 579 {       INT index;
 580
 581         TRACE("%s %i\n", sSourceFile, dwSourceIndex);
 582
 583         index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
 584
 585         if (INVALID_INDEX == index)
 586         {
 587           return INVALID_INDEX;
 588         }
 589
 590         if (bSmallIcon)
 591           return pImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
 592         return pImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
 593
 594 }
 595 /*****************************************************************************
 596  * SIC_Initialize                       [internal]
 597  *
 598  * NOTES
 599  *  hack to load the resources from the shell32.dll under a different dll name
 600  *  will be removed when the resource-compiler is ready
 601  */
 602 BOOL SIC_Initialize(void)
 603 {
 604         HICON           hSm, hLg;
 605         UINT            index;
 606
 607         TRACE("\n");
 608
 609         if (sic_hdpa)   /* already initialized?*/
 610           return TRUE;
 611
 612         InitializeCriticalSection(&SHELL32_SicCS);
 613
 614         sic_hdpa = pDPA_Create(16);
 615
 616         if (!sic_hdpa)
 617         {
 618           return(FALSE);
 619         }
 620
 621         ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
 622         ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
 623
 624         pImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
 625         pImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
 626
 627         for (index=1; index<39; index++)
 628         {
 629           hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
 630           hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
 631
 632           if(!hSm)
 633           {
 634             hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
 635             hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
 636           }
 637           SIC_IconAppend ("shell32.dll", index, hSm, hLg);
 638         }
 639
 640         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 641
 642         return TRUE;
 643 }
 644 /*************************************************************************
 645  * SIC_Destroy
 646  *
 647  * frees the cache
 648  */
 649 void SIC_Destroy(void)
 650 {
 651         LPSIC_ENTRY lpsice;
 652         int i;
 653
 654         TRACE("\n");
 655
 656         EnterCriticalSection(&SHELL32_SicCS);
 657
 658         if (sic_hdpa && NULL != pDPA_GetPtr (sic_hdpa, 0))
 659         {
 660           for (i=0; i < pDPA_GetPtrCount(sic_hdpa); ++i)
 661           {
 662             lpsice = pDPA_GetPtr(sic_hdpa, i);
 663             SHFree(lpsice);
 664           }
 665           pDPA_Destroy(sic_hdpa);
 666         }
 667
 668         sic_hdpa = NULL;
 669
 670         LeaveCriticalSection(&SHELL32_SicCS);
 671 }
 672 /*************************************************************************
 673  * Shell_GetImageList                   [SHELL32.71]
 674  *
 675  * PARAMETERS
 676  *  imglist[1|2] [OUT] pointer which recive imagelist handles
 677  *
 678  */
 679 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 680 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 681         if (lpBigList)
 682         { *lpBigList = ShellBigIconList;
 683         }
 684         if (lpSmallList)
 685         { *lpSmallList = ShellSmallIconList;
 686         }
 687
 688         return TRUE;
 689 }
 690 /*************************************************************************
 691  * PidlToSicIndex                       [INTERNAL]
 692  *
 693  * PARAMETERS
 694  *      sh      [IN]    IShellFolder
 695  *      pidl    [IN]
 696  *      bBigIcon [IN]
 697  *      pIndex  [OUT]   index within the SIC
 698  *
 699  */
 700 BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT * pIndex)
 701 {
 702         IExtractIcon    *ei;
 703         char            szIconFile[MAX_PATH];   /* file containing the icon */
 704         INT             iSourceIndex;           /* index or resID(negated) in this file */
 705         BOOL            ret = FALSE;
 706         UINT            dwFlags = 0;
 707
 708         TRACE("sf=%p pidl=%p\n", sh, pidl);
 709
 710         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconA, 0, (void **)&ei)))
 711         {
 712           if (NOERROR==IExtractIconA_GetIconLocation(ei, 0, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags))
 713           { *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
 714             ret = TRUE;
 715           }
 716           IExtractIconA_Release(ei);
 717         }
 718
 719         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 720           *pIndex = 1;
 721
 722         return ret;
 723
 724 }
 725
 726 /*************************************************************************
 727  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 728  *
 729  * PARAMETERS
 730  *      sh      [IN]            pointer to an instance of IShellFolder
 731  *      pidl    [IN]
 732  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 733  *
 734  */
 735 UINT WINAPI SHMapPIDLToSystemImageListIndex(LPSHELLFOLDER sh, LPITEMIDLIST pidl, UINT * pIndex)
 736 {
 737         UINT    Index;
 738
 739         TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 740         pdump(pidl);
 741
 742         if (pIndex)
 743           PidlToSicIndex ( sh, pidl, 1, pIndex);
 744         PidlToSicIndex ( sh, pidl, 0, &Index);
 745         return Index;
 746 }
 747
 748 /*************************************************************************
 749  * Shell_GetCachedImageIndex            [SHELL32.72]
 750  *
 751  */
 752 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 753 {
 754         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 755         return SIC_GetIconIndex(szPath, nIndex);
 756 }
 757
 758 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 759 {       INT ret;
 760         LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
 761
 762         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 763
 764         ret = SIC_GetIconIndex(sTemp, nIndex);
 765         HeapFree(GetProcessHeap(),0,sTemp);
 766         return ret;
 767 }
 768
 769 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 770 {       if( VERSION_OsIsUnicode())
 771           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 772         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 773 }
 774
 775 /*************************************************************************
 776  * ExtracticonExAW                      [shell32.189]
 777  */
 778 HICON WINAPI ExtractIconExAW ( LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 779 {       if (VERSION_OsIsUnicode())
 780           return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 781         return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 782 }
 783 /*************************************************************************
 784  * ExtracticonExA                       [shell32.190]
 785  * RETURNS
 786  *  0 no icon found
 787  *  1 file is not valid
 788  *  HICON handle of a icon (phiconLarge/Small == NULL)
 789  */
 790 HICON WINAPI ExtractIconExA ( LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 791 {       HICON ret=0;
 792
 793         TRACE("file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
 794
 795         if (nIconIndex==-1)     /* Number of icons requested */
 796           return ICO_ExtractIconEx(lpszFile, NULL, -1, 0, 0, 0  );
 797
 798
 799         if (phiconLarge)
 800         { ret = ICO_ExtractIconEx(lpszFile, phiconLarge, nIconIndex, nIcons, 32, 32  );
 801           if ( nIcons==1)
 802           { ret = phiconLarge[0];
 803           }
 804         }
 805
 806         /* if no pointers given and one icon expected, return the handle directly*/
 807         if (!phiconLarge && ! phiconSmall && nIcons==1 )
 808           phiconSmall = &ret;
 809
 810         if (phiconSmall)
 811         { ret = ICO_ExtractIconEx(lpszFile, phiconSmall, nIconIndex, nIcons, 16, 16  );
 812           if ( nIcons==1 )
 813           { ret = phiconSmall[0];
 814           }
 815         }
 816
 817         return ret;
 818 }
 819 /*************************************************************************
 820  * ExtracticonExW                       [shell32.191]
 821  */
 822 HICON WINAPI ExtractIconExW ( LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 823 {       LPSTR sFile;
 824         DWORD ret;
 825
 826         TRACE("file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
 827
 828         sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
 829         ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 830         HeapFree(GetProcessHeap(),0,sFile);
 831         return ret;
 832 }