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  *                      InternalExtractIcon             [SHELL.39]
 207  *
 208  * This abortion is called directly by Progman
 209  *  fixme: the icon section is broken (don't have a handle for
 210  *    ICO_GetIconDirectory....)
 211  *
 212  */
 213 #define ICO_INVALID_FILE        1
 214 #define ICO_NO_ICONS            0
 215
 216 HGLOBAL WINAPI ICO_ExtractIconEx(LPCSTR lpszExeFileName, HICON * RetPtr, UINT nIconIndex, UINT n, UINT cxDesired, UINT cyDesired )
 217 {       HGLOBAL hRet = ICO_NO_ICONS;
 218         LPBYTE          pData;
 219         OFSTRUCT        ofs;
 220         DWORD           sig;
 221         HFILE           hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
 222         UINT16          iconDirCount = 0,iconCount = 0;
 223         LPBYTE          peimage;
 224         HANDLE          fmapping;
 225         ULONG           uSize;
 226
 227         TRACE("(file %s,start %d,extract %d\n", lpszExeFileName, nIconIndex, n);
 228
 229         if( hFile == HFILE_ERROR || !n )
 230           return ICO_INVALID_FILE;
 231
 232         sig = SHELL_GetResourceTable(hFile,&pData);
 233
 234 /* ico file */
 235         if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
 236         { BYTE          *pCIDir = 0;
 237           NE_TYPEINFO   *pTInfo = (NE_TYPEINFO*)(pData + 2);
 238           NE_NAMEINFO   *pIconStorage = NULL;
 239           NE_NAMEINFO   *pIconDir = NULL;
 240           LPicoICONDIR  lpiID = NULL;
 241
 242           TRACE("-- OS2/icon Signature (0x%08lx)\n", sig);
 243
 244           if( pData == (BYTE*)-1 )
 245           { pCIDir = ICO_GetIconDirectory(hFile, &lpiID, &uSize);       /* check for .ICO file */
 246             if( pCIDir )
 247             { iconDirCount = 1; iconCount = lpiID->idCount;
 248               TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
 249             }
 250           }
 251           else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 252           { if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )      /* find icon directory and icon repository */
 253             { iconDirCount = pTInfo->count;
 254               pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 255               TRACE("\tfound directory - %i icon families\n", iconDirCount);
 256             }
 257             if( pTInfo->type_id == NE_RSCTYPE_ICON )
 258             { iconCount = pTInfo->count;
 259               pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 260               TRACE("\ttotal icons - %i\n", iconCount);
 261             }
 262             pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 263           }
 264
 265           if( (pIconStorage && pIconDir) || lpiID )       /* load resources and create icons */
 266           { if( nIconIndex == (UINT16)-1 )
 267             { RetPtr[0] = iconDirCount;
 268             }
 269             else if( nIconIndex < iconDirCount )
 270             { UINT16   i, icon;
 271               if( n > iconDirCount - nIconIndex )
 272                 n = iconDirCount - nIconIndex;
 273
 274               for( i = nIconIndex; i < nIconIndex + n; i++ )
 275               { /* .ICO files have only one icon directory */
 276
 277                 if( lpiID == NULL )     /* *.ico */
 278                   pCIDir = SHELL_LoadResource( hFile, pIconDir + i, *(WORD*)pData, &uSize );
 279                 RetPtr[i-nIconIndex] = pLookupIconIdFromDirectoryEx( pCIDir, TRUE,  GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0);
 280                 HeapFree(GetProcessHeap(), 0, pCIDir);
 281               }
 282
 283               for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 284               { pCIDir = NULL;
 285                 if( lpiID )
 286                 { pCIDir = ICO_LoadIcon( hFile, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
 287                 }
 288                 else
 289                 { for( i = 0; i < iconCount; i++ )
 290                   { if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 291                     { pCIDir = SHELL_LoadResource( hFile, pIconStorage + i,*(WORD*)pData, &uSize );
 292                     }
 293                   }
 294                 }
 295                 if( pCIDir )
 296                 { RetPtr[icon-nIconIndex] = (HICON) pCreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 297                 }
 298                 else
 299                 { RetPtr[icon-nIconIndex] = 0;
 300                 }
 301               }
 302             }
 303           }
 304           if( lpiID )
 305             HeapFree( GetProcessHeap(), 0, lpiID);
 306           else
 307             HeapFree( GetProcessHeap(), 0, pData);
 308         }
 309 /* end ico file */
 310
 311 /* exe/dll */
 312         if( sig == IMAGE_NT_SIGNATURE)
 313         { LPBYTE                idata,igdata;
 314           PIMAGE_DOS_HEADER     dheader;
 315           PIMAGE_NT_HEADERS     pe_header;
 316           PIMAGE_SECTION_HEADER pe_sections;
 317           PIMAGE_RESOURCE_DIRECTORY     rootresdir,iconresdir,icongroupresdir;
 318           PIMAGE_RESOURCE_DATA_ENTRY    idataent,igdataent;
 319           PIMAGE_RESOURCE_DIRECTORY_ENTRY       xresent;
 320           int                   i,j;
 321
 322           if ( !(fmapping = CreateFileMappingA(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL)))
 323           { WARN("failed to create filemap.\n");        /* FIXME, INVALID_HANDLE_VALUE? */
 324             hRet = ICO_INVALID_FILE;
 325             goto end_2;         /* failure */
 326           }
 327
 328           if ( !(peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
 329           { WARN("failed to mmap filemap.\n");
 330             hRet = ICO_INVALID_FILE;
 331             goto end_2;         /* failure */
 332           }
 333
 334           dheader = (PIMAGE_DOS_HEADER)peimage;
 335           pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew);     /* it is a pe header, SHELL_GetResourceTable checked that */
 336           pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
 337           rootresdir = NULL;
 338
 339           for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
 340           { if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
 341               continue;
 342             /* FIXME: doesn't work when the resources are not in a seperate section */
 343             if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
 344             { rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData);
 345               break;
 346             }
 347           }
 348
 349           if (!rootresdir)
 350           { WARN("haven't found section for resource directory.\n");
 351             goto end_4;         /* failure */
 352           }
 353   /* search the group icon dir*/
 354           if (!(icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICONW, (DWORD)rootresdir,FALSE)))
 355           { WARN("No Icongroupresourcedirectory!\n");
 356             goto end_4;         /* failure */
 357           }
 358           iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries;
 359
 360   /* number of icons requested */
 361           if( nIconIndex == -1 )
 362           { hRet = iconDirCount;
 363             goto end_3;         /* success */
 364           }
 365
 366           if (nIconIndex >= iconDirCount)
 367           { WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
 368             goto end_4;         /* failure */
 369           }
 370
 371           xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);       /* caller just wanted the number of entries */
 372
 373           if( n > iconDirCount - nIconIndex )   /* assure we don't get too much ... */
 374           { n = iconDirCount - nIconIndex;
 375           }
 376
 377           xresent = xresent+nIconIndex;         /* starting from specified index ... */
 378
 379           for (i=0;i<n;i++,xresent++)
 380           { PIMAGE_RESOURCE_DIRECTORY   resdir;
 381
 382             /* go down this resource entry, name */
 383             resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
 384
 385             /* default language (0) */
 386             resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
 387             igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
 388
 389             /* lookup address in mapped image for virtual address */
 390             igdata = NULL;
 391
 392             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 393             { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
 394                 continue;
 395               if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 396                 continue;
 397               igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 398             }
 399
 400             if (!igdata)
 401             { WARN("no matching real address for icongroup!\n");
 402               goto end_4;       /* failure */
 403             }
 404             RetPtr[i] = (HICON)pLookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 405           }
 406
 407           if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,(DWORD)rootresdir,FALSE)))
 408           { WARN("No Iconresourcedirectory!\n");
 409             goto end_4;         /* failure */
 410           }
 411
 412           for (i=0;i<n;i++)
 413           { PIMAGE_RESOURCE_DIRECTORY   xresdir;
 414             xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
 415             xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
 416             idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
 417             idata = NULL;
 418
 419             /* map virtual to address in image */
 420             for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
 421             { if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
 422                 continue;
 423               if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
 424                 continue;
 425               idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
 426             }
 427             if (!idata)
 428             { WARN("no matching real address found for icondata!\n");
 429               RetPtr[i]=0;
 430               continue;
 431             }
 432             RetPtr[i] = (HICON) pCreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
 433           }
 434           hRet = RetPtr[0];     /* return first icon */
 435           goto end_3;           /* sucess */
 436         }
 437         hRet = ICO_INVALID_FILE;
 438         goto end_1;             /* unknown filetype */
 439
 440 /* cleaning up (try & catch would be nicer:-) ) */
 441 end_4:  hRet = 0;       /* failure */
 442 end_3:  UnmapViewOfFile(peimage);       /* success */
 443 end_2:  CloseHandle(fmapping);
 444 end_1:  _lclose( hFile);
 445         return hRet;
 446 }
 447
 448 /********************** THE ICON CACHE ********************************/
 449 HIMAGELIST ShellSmallIconList = 0;
 450 HIMAGELIST ShellBigIconList = 0;
 451 HDPA    hdpa=0;
 452
 453 #define INVALID_INDEX -1
 454
 455 typedef struct
 456 {       LPCSTR sSourceFile;     /* file (not path!) containing the icon */
 457         DWORD dwSourceIndex;    /* index within the file, if it is a resoure ID it will be negated */
 458         DWORD dwListIndex;      /* index within the iconlist */
 459         DWORD dwFlags;          /* GIL_* flags */
 460         DWORD dwAccessTime;
 461 } SIC_ENTRY, * LPSIC_ENTRY;
 462
 463 /*****************************************************************************
 464  * SIC_CompareEntrys                    [called by comctl32.dll]
 465  *
 466  * NOTES
 467  *  Callback for DPA_Search
 468  */
 469 INT CALLBACK SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
 470 {       TRACE("%p %p\n", p1, p2);
 471
 472         if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
 473           return 1;
 474
 475         if (strcasecmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
 476           return 1;
 477
 478         return 0;
 479 }
 480 /*****************************************************************************
 481  * SIC_IconAppend                       [internal]
 482  *
 483  * NOTES
 484  *  appends a icon pair to the end of the cache
 485  */
 486 static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
 487 {       LPSIC_ENTRY lpsice;
 488         INT index, index1;
 489
 490         TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
 491
 492         lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
 493
 494         lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(), 0, PathFindFilenameA(sSourceFile));
 495         lpsice->dwSourceIndex = dwSourceIndex;
 496
 497         index = pDPA_InsertPtr(hdpa, 0x7fff, lpsice);
 498         if ( INVALID_INDEX == index )
 499         { SHFree(lpsice);
 500           return INVALID_INDEX;
 501         }
 502
 503         index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
 504         index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
 505
 506         if (index!=index1)
 507         { FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
 508         }
 509         lpsice->dwListIndex = index;
 510
 511         return lpsice->dwListIndex;
 512
 513 }
 514 /****************************************************************************
 515  * SIC_LoadIcon                         [internal]
 516  *
 517  * NOTES
 518  *  gets small/big icon by number from a file
 519  */
 520 static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
 521 {       HICON   hiconLarge=0;
 522         HICON   hiconSmall=0;
 523
 524         ICO_ExtractIconEx(sSourceFile, &hiconLarge, dwSourceIndex, 1, 32, 32  );
 525         ICO_ExtractIconEx(sSourceFile, &hiconSmall, dwSourceIndex, 1, 16, 16  );
 526
 527
 528         if ( !hiconLarge ||  !hiconSmall)
 529         { WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
 530           return -1;
 531         }
 532         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
 533 }
 534 /*****************************************************************************
 535  * SIC_GetIconIndex                     [internal]
 536  *
 537  * Parameters
 538  *      sSourceFile     [IN]    filename of file containing the icon
 539  *      index           [IN]    index/resID (negated) in this file
 540  *
 541  * NOTES
 542  *  look in the cache for a proper icon. if not available the icon is taken
 543  *  from the file and cached
 544  */
 545 INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
 546 {       SIC_ENTRY sice;
 547         INT index = INVALID_INDEX;
 548
 549         TRACE("%s %i\n", sSourceFile, dwSourceIndex);
 550
 551         sice.sSourceFile = PathFindFilenameA(sSourceFile);
 552         sice.dwSourceIndex = dwSourceIndex;
 553
 554         if (NULL != pDPA_GetPtr (hdpa, 0))
 555         { index = pDPA_Search (hdpa, &sice, -1L, SIC_CompareEntrys, 0, 0);
 556         }
 557
 558         if ( INVALID_INDEX == index )
 559         {  return SIC_LoadIcon (sSourceFile, dwSourceIndex);
 560         }
 561
 562         TRACE("-- found\n");
 563         return ((LPSIC_ENTRY)pDPA_GetPtr(hdpa, index))->dwListIndex;
 564 }
 565 /****************************************************************************
 566  * SIC_LoadIcon                         [internal]
 567  *
 568  * NOTES
 569  *  retrives the specified icon from the iconcache. if not found try's to load the icon
 570  */
 571 static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
 572 {       INT index;
 573
 574         TRACE("%s %i\n", sSourceFile, dwSourceIndex);
 575
 576         index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
 577         if (INVALID_INDEX == index)
 578         { return INVALID_INDEX;
 579         }
 580
 581         if (bSmallIcon)
 582           return pImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
 583         return pImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
 584
 585 }
 586 /*****************************************************************************
 587  * SIC_Initialize                       [internal]
 588  *
 589  * NOTES
 590  *  hack to load the resources from the shell32.dll under a different dll name
 591  *  will be removed when the resource-compiler is ready
 592  */
 593 BOOL SIC_Initialize(void)
 594 {       CHAR            szShellPath[MAX_PATH];
 595         HGLOBAL hSmRet, hLgRet;
 596         HICON           *pSmRet, *pLgRet;
 597         UINT            index;
 598
 599         TRACE("\n");
 600
 601         if (hdpa)       /* already initialized?*/
 602           return TRUE;
 603
 604         hdpa = pDPA_Create(16);
 605
 606         if (!hdpa)
 607         { return(FALSE);
 608         }
 609
 610         GetSystemDirectoryA(szShellPath,MAX_PATH);
 611         PathAddBackslashA(szShellPath);
 612         strcat(szShellPath,"shell32.dll");
 613
 614         hSmRet = GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON)*40);
 615         hLgRet = GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON)*40);
 616
 617         pSmRet = (HICON*)GlobalLock(hSmRet);
 618         pLgRet = (HICON*)GlobalLock(hLgRet);
 619
 620         ExtractIconExA ( szShellPath, 0, pLgRet, pSmRet, 40 );
 621
 622         ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
 623         ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
 624
 625         for (index=0; index<40; index++)
 626         { if (! pSmRet[index] )
 627           { MESSAGE("*** failure loading resources from %s\n", szShellPath );
 628             MESSAGE("*** this is a hack for loading the internal and external dll at the same time\n");
 629             MESSAGE("*** you can ignore it but you will miss some icons in win95 dialogs\n\n");
 630             break;
 631           }
 632           SIC_IconAppend (szShellPath, index, pSmRet[index], pLgRet[index]);
 633         }
 634
 635         GlobalUnlock(hLgRet);
 636         GlobalFree(hLgRet);
 637
 638         GlobalUnlock(hSmRet);
 639         GlobalFree(hSmRet);
 640
 641         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 642
 643         return TRUE;
 644 }
 645 /*************************************************************************
 646  * SIC_Destroy
 647  *
 648  * frees the cache
 649  */
 650 void SIC_Destroy(void)
 651 {
 652         LPSIC_ENTRY lpsice;
 653         int i;
 654
 655         if (hdpa && NULL != pDPA_GetPtr (hdpa, 0))
 656         { for (i=0; i < pDPA_GetPtrCount(hdpa); ++i)
 657           { lpsice = pDPA_GetPtr(hdpa, i);
 658             SHFree(lpsice);
 659           }
 660           pDPA_Destroy(hdpa);
 661         }
 662 }
 663 /*************************************************************************
 664  * Shell_GetImageList                   [SHELL32.71]
 665  *
 666  * PARAMETERS
 667  *  imglist[1|2] [OUT] pointer which recive imagelist handles
 668  *
 669  */
 670 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 671 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 672         if (lpBigList)
 673         { *lpBigList = ShellBigIconList;
 674         }
 675         if (lpSmallList)
 676         { *lpSmallList = ShellSmallIconList;
 677         }
 678
 679         return TRUE;
 680 }
 681 /*************************************************************************
 682  * PidlToSicIndex                       [INTERNAL]
 683  *
 684  * PARAMETERS
 685  *      sh      [IN]    IShellFolder
 686  *      pidl    [IN]
 687  *      bBigIcon [IN]
 688  *      pIndex  [OUT]   index within the SIC
 689  *
 690  */
 691 BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT * pIndex)
 692 {
 693         IExtractIcon    *ei;
 694         char            szIconFile[MAX_PATH];   /* file containing the icon */
 695         INT             iSourceIndex;           /* index or resID(negated) in this file */
 696         BOOL            ret = FALSE;
 697         UINT            dwFlags = 0;
 698
 699         TRACE("sf=%p pidl=%p\n", sh, pidl);
 700
 701         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconA, 0, (void **)&ei)))
 702         {
 703           if (NOERROR==IExtractIconA_GetIconLocation(ei, 0, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags))
 704           { *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
 705             ret = TRUE;
 706           }
 707           IExtractIconA_Release(ei);
 708         }
 709
 710         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 711           *pIndex = 1;
 712
 713         return ret;
 714
 715 }
 716
 717 /*************************************************************************
 718  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 719  *
 720  * PARAMETERS
 721  *      sh      [IN]            pointer to an instance of IShellFolder
 722  *      pidl    [IN]
 723  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 724  *
 725  */
 726 UINT WINAPI SHMapPIDLToSystemImageListIndex(LPSHELLFOLDER sh, LPITEMIDLIST pidl, UINT * pIndex)
 727 {
 728         UINT    Index;
 729
 730         WARN("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 731         pdump(pidl);
 732
 733         if (pIndex)
 734           PidlToSicIndex ( sh, pidl, 1, pIndex);
 735         PidlToSicIndex ( sh, pidl, 0, &Index);
 736         return Index;
 737 }
 738
 739 /*************************************************************************
 740  * Shell_GetCachedImageIndex            [SHELL32.72]
 741  *
 742  */
 743 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 744 {
 745         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 746         return SIC_GetIconIndex(szPath, nIndex);
 747 }
 748
 749 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 750 {       INT ret;
 751         LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
 752
 753         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 754
 755         ret = SIC_GetIconIndex(sTemp, nIndex);
 756         HeapFree(GetProcessHeap(),0,sTemp);
 757         return ret;
 758 }
 759
 760 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 761 {       if( VERSION_OsIsUnicode())
 762           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 763         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 764 }
 765
 766 /*************************************************************************
 767  * ExtracticonExAW                      [shell32.189]
 768  */
 769 HICON WINAPI ExtractIconExAW ( LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 770 {       if (VERSION_OsIsUnicode())
 771           return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 772         return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 773 }
 774 /*************************************************************************
 775  * ExtracticonExA                       [shell32.190]
 776  * RETURNS
 777  *  0 no icon found
 778  *  1 file is not valid
 779  *  HICON handle of a icon (phiconLarge/Small == NULL)
 780  */
 781 HICON WINAPI ExtractIconExA ( LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 782 {       HICON ret=0;
 783
 784         TRACE("file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
 785
 786         if (nIconIndex==-1)     /* Number of icons requested */
 787           return ICO_ExtractIconEx(lpszFile, NULL, -1, 0, 0, 0  );
 788
 789
 790         if (phiconLarge)
 791         { ret = ICO_ExtractIconEx(lpszFile, phiconLarge, nIconIndex, nIcons, 32, 32  );
 792           if ( nIcons==1)
 793           { ret = phiconLarge[0];
 794           }
 795         }
 796
 797         /* if no pointers given and one icon expected, return the handle directly*/
 798         if (!phiconLarge && ! phiconSmall && nIcons==1 )
 799           phiconSmall = &ret;
 800
 801         if (phiconSmall)
 802         { ret = ICO_ExtractIconEx(lpszFile, phiconSmall, nIconIndex, nIcons, 16, 16  );
 803           if ( nIcons==1 )
 804           { ret = phiconSmall[0];
 805           }
 806         }
 807
 808         return ret;
 809 }
 810 /*************************************************************************
 811  * ExtracticonExW                       [shell32.191]
 812  */
 813 HICON WINAPI ExtractIconExW ( LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
 814 {       LPSTR sFile;
 815         DWORD ret;
 816
 817         TRACE("file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
 818
 819         sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
 820         ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 821         HeapFree(GetProcessHeap(),0,sFile);
 822         return ret;
 823 }