dlls/shell32/iconcache.c

   1 /*
   2  *      shell icon cache (SIC)
   3  *
   4  * Copyright 1998, 1999 Juergen Schmied
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30
  31 #define COBJMACROS
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wingdi.h"
  36 #include "winuser.h"
  37 #include "winreg.h"
  38 #include "wine/debug.h"
  39
  40 #include "shellapi.h"
  41 #include "objbase.h"
  42 #include "pidl.h"
  43 #include "shell32_main.h"
  44 #include "undocshell.h"
  45 #include "shresdef.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  48
  49 /********************** THE ICON CACHE ********************************/
  50
  51 #define INVALID_INDEX -1
  52
  53 typedef struct
  54 {
  55         LPWSTR sSourceFile;     /* file (not path!) containing the icon */
  56         DWORD dwSourceIndex;    /* index within the file, if it is a resoure ID it will be negated */
  57         DWORD dwListIndex;      /* index within the iconlist */
  58         DWORD dwFlags;          /* GIL_* flags */
  59         DWORD dwAccessTime;
  60 } SIC_ENTRY, * LPSIC_ENTRY;
  61
  62 static HDPA             sic_hdpa = 0;
  63
  64 static CRITICAL_SECTION SHELL32_SicCS;
  65 static CRITICAL_SECTION_DEBUG critsect_debug =
  66 {
  67     0, 0, &SHELL32_SicCS,
  68     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  69       0, 0, { (DWORD_PTR)(__FILE__ ": SHELL32_SicCS") }
  70 };
  71 static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
  72
  73 /*****************************************************************************
  74  * SIC_CompareEntries
  75  *
  76  * NOTES
  77  *  Callback for DPA_Search
  78  */
  79 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
  80 {       LPSIC_ENTRY e1 = (LPSIC_ENTRY)p1, e2 = (LPSIC_ENTRY)p2;
  81
  82         TRACE("%p %p %8lx\n", p1, p2, lparam);
  83
  84         /* Icons in the cache are keyed by the name of the file they are
  85          * loaded from, their resource index and the fact if they have a shortcut
  86          * icon overlay or not.
  87          */
  88         if (e1->dwSourceIndex != e2->dwSourceIndex || /* first the faster one */
  89             (e1->dwFlags & GIL_FORSHORTCUT) != (e2->dwFlags & GIL_FORSHORTCUT))
  90           return 1;
  91
  92         if (strcmpiW(e1->sSourceFile,e2->sSourceFile))
  93           return 1;
  94
  95         return 0;
  96 }
  97
  98 /* declare SIC_LoadOverlayIcon() */
  99 static int SIC_LoadOverlayIcon(int icon_idx);
 100
 101 /*****************************************************************************
 102  * SIC_OverlayShortcutImage                     [internal]
 103  *
 104  * NOTES
 105  *  Creates a new icon as a copy of the passed-in icon, overlayed with a
 106  *  shortcut image.
 107  */
 108 static HICON SIC_OverlayShortcutImage(HICON SourceIcon, BOOL large)
 109 {       ICONINFO SourceIconInfo, ShortcutIconInfo, TargetIconInfo;
 110         HICON ShortcutIcon, TargetIcon;
 111         BITMAP SourceBitmapInfo, ShortcutBitmapInfo;
 112         HDC SourceDC = NULL,
 113           ShortcutDC = NULL,
 114           TargetDC = NULL,
 115           ScreenDC = NULL;
 116         HBITMAP OldSourceBitmap = NULL,
 117           OldShortcutBitmap = NULL,
 118           OldTargetBitmap = NULL;
 119
 120         static int s_imgListIdx = -1;
 121
 122         /* Get information about the source icon and shortcut overlay */
 123         if (! GetIconInfo(SourceIcon, &SourceIconInfo)
 124             || 0 == GetObjectW(SourceIconInfo.hbmColor, sizeof(BITMAP), &SourceBitmapInfo))
 125         {
 126           return NULL;
 127         }
 128
 129         /* search for the shortcut icon only once */
 130         if (s_imgListIdx == -1)
 131             s_imgListIdx = SIC_LoadOverlayIcon(- IDI_SHELL_SHORTCUT);
 132                            /* FIXME should use icon index 29 instead of the
 133                               resource id, but not all icons are present yet
 134                               so we can't use icon indices */
 135
 136         if (s_imgListIdx != -1)
 137         {
 138             if (large)
 139                 ShortcutIcon = ImageList_GetIcon(ShellBigIconList, s_imgListIdx, ILD_TRANSPARENT);
 140             else
 141                 ShortcutIcon = ImageList_GetIcon(ShellSmallIconList, s_imgListIdx, ILD_TRANSPARENT);
 142         } else
 143             ShortcutIcon = NULL;
 144
 145         if (NULL == ShortcutIcon
 146             || ! GetIconInfo(ShortcutIcon, &ShortcutIconInfo)
 147             || 0 == GetObjectW(ShortcutIconInfo.hbmColor, sizeof(BITMAP), &ShortcutBitmapInfo))
 148         {
 149           return NULL;
 150         }
 151
 152         TargetIconInfo = SourceIconInfo;
 153         TargetIconInfo.hbmMask = NULL;
 154         TargetIconInfo.hbmColor = NULL;
 155
 156         /* Setup the source, shortcut and target masks */
 157         SourceDC = CreateCompatibleDC(NULL);
 158         if (NULL == SourceDC) goto fail;
 159         OldSourceBitmap = SelectObject(SourceDC, SourceIconInfo.hbmMask);
 160         if (NULL == OldSourceBitmap) goto fail;
 161
 162         ShortcutDC = CreateCompatibleDC(NULL);
 163         if (NULL == ShortcutDC) goto fail;
 164         OldShortcutBitmap = SelectObject(ShortcutDC, ShortcutIconInfo.hbmMask);
 165         if (NULL == OldShortcutBitmap) goto fail;
 166
 167         TargetDC = CreateCompatibleDC(NULL);
 168         if (NULL == TargetDC) goto fail;
 169         TargetIconInfo.hbmMask = CreateCompatibleBitmap(TargetDC, SourceBitmapInfo.bmWidth,
 170                                                         SourceBitmapInfo.bmHeight);
 171         if (NULL == TargetIconInfo.hbmMask) goto fail;
 172         ScreenDC = GetDC(NULL);
 173         if (NULL == ScreenDC) goto fail;
 174         TargetIconInfo.hbmColor = CreateCompatibleBitmap(ScreenDC, SourceBitmapInfo.bmWidth,
 175                                                          SourceBitmapInfo.bmHeight);
 176         ReleaseDC(NULL, ScreenDC);
 177         if (NULL == TargetIconInfo.hbmColor) goto fail;
 178         OldTargetBitmap = SelectObject(TargetDC, TargetIconInfo.hbmMask);
 179         if (NULL == OldTargetBitmap) goto fail;
 180
 181         /* Create the target mask by ANDing the source and shortcut masks */
 182         if (! BitBlt(TargetDC, 0, 0, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmHeight,
 183                      SourceDC, 0, 0, SRCCOPY) ||
 184             ! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
 185                      ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
 186                      ShortcutDC, 0, 0, SRCAND))
 187         {
 188           goto fail;
 189         }
 190
 191         /* Setup the source and target xor bitmap */
 192         if (NULL == SelectObject(SourceDC, SourceIconInfo.hbmColor) ||
 193             NULL == SelectObject(TargetDC, TargetIconInfo.hbmColor))
 194         {
 195           goto fail;
 196         }
 197
 198         /* Copy the source xor bitmap to the target and clear out part of it by using
 199            the shortcut mask */
 200         if (! BitBlt(TargetDC, 0, 0, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmHeight,
 201                      SourceDC, 0, 0, SRCCOPY) ||
 202             ! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
 203                      ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
 204                      ShortcutDC, 0, 0, SRCAND))
 205         {
 206           goto fail;
 207         }
 208
 209         if (NULL == SelectObject(ShortcutDC, ShortcutIconInfo.hbmColor)) goto fail;
 210
 211         /* Now put in the shortcut xor mask */
 212         if (! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
 213                      ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
 214                      ShortcutDC, 0, 0, SRCINVERT))
 215         {
 216           goto fail;
 217         }
 218
 219         /* Clean up, we're not goto'ing to 'fail' after this so we can be lazy and not set
 220            handles to NULL */
 221         SelectObject(TargetDC, OldTargetBitmap);
 222         DeleteObject(TargetDC);
 223         SelectObject(ShortcutDC, OldShortcutBitmap);
 224         DeleteObject(ShortcutDC);
 225         SelectObject(SourceDC, OldSourceBitmap);
 226         DeleteObject(SourceDC);
 227
 228         /* Create the icon using the bitmaps prepared earlier */
 229         TargetIcon = CreateIconIndirect(&TargetIconInfo);
 230
 231         /* CreateIconIndirect copies the bitmaps, so we can release our bitmaps now */
 232         DeleteObject(TargetIconInfo.hbmColor);
 233         DeleteObject(TargetIconInfo.hbmMask);
 234
 235         return TargetIcon;
 236
 237 fail:
 238         /* Clean up scratch resources we created */
 239         if (NULL != OldTargetBitmap) SelectObject(TargetDC, OldTargetBitmap);
 240         if (NULL != TargetIconInfo.hbmColor) DeleteObject(TargetIconInfo.hbmColor);
 241         if (NULL != TargetIconInfo.hbmMask) DeleteObject(TargetIconInfo.hbmMask);
 242         if (NULL != TargetDC) DeleteObject(TargetDC);
 243         if (NULL != OldShortcutBitmap) SelectObject(ShortcutDC, OldShortcutBitmap);
 244         if (NULL != ShortcutDC) DeleteObject(ShortcutDC);
 245         if (NULL != OldSourceBitmap) SelectObject(SourceDC, OldSourceBitmap);
 246         if (NULL != SourceDC) DeleteObject(SourceDC);
 247
 248         return NULL;
 249 }
 250
 251 /*****************************************************************************
 252  * SIC_IconAppend                       [internal]
 253  *
 254  * NOTES
 255  *  appends an icon pair to the end of the cache
 256  */
 257 static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon, DWORD dwFlags)
 258 {       LPSIC_ENTRY lpsice;
 259         INT ret, index, index1;
 260         WCHAR path[MAX_PATH];
 261         TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
 262
 263         lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
 264
 265         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 266         lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
 267         strcpyW( lpsice->sSourceFile, path );
 268
 269         lpsice->dwSourceIndex = dwSourceIndex;
 270         lpsice->dwFlags = dwFlags;
 271
 272         EnterCriticalSection(&SHELL32_SicCS);
 273
 274         index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
 275         if ( INVALID_INDEX == index )
 276         {
 277           HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
 278           SHFree(lpsice);
 279           ret = INVALID_INDEX;
 280         }
 281         else
 282         {
 283           index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
 284           index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
 285
 286           if (index!=index1)
 287           {
 288             FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
 289           }
 290           lpsice->dwListIndex = index;
 291           ret = lpsice->dwListIndex;
 292         }
 293
 294         LeaveCriticalSection(&SHELL32_SicCS);
 295         return ret;
 296 }
 297 /****************************************************************************
 298  * SIC_LoadIcon                         [internal]
 299  *
 300  * NOTES
 301  *  gets small/big icon by number from a file
 302  */
 303 static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex, DWORD dwFlags)
 304 {       HICON   hiconLarge=0;
 305         HICON   hiconSmall=0;
 306         HICON   hiconLargeShortcut;
 307         HICON   hiconSmallShortcut;
 308
 309         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
 310         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
 311
 312         if ( !hiconLarge ||  !hiconSmall)
 313         {
 314           WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
 315           return -1;
 316         }
 317
 318         if (0 != (dwFlags & GIL_FORSHORTCUT))
 319         {
 320           hiconLargeShortcut = SIC_OverlayShortcutImage(hiconLarge, TRUE);
 321           hiconSmallShortcut = SIC_OverlayShortcutImage(hiconSmall, FALSE);
 322           if (NULL != hiconLargeShortcut && NULL != hiconSmallShortcut)
 323           {
 324             hiconLarge = hiconLargeShortcut;
 325             hiconSmall = hiconSmallShortcut;
 326           }
 327           else
 328           {
 329             WARN("Failed to create shortcut overlayed icons\n");
 330             if (NULL != hiconLargeShortcut) DestroyIcon(hiconLargeShortcut);
 331             if (NULL != hiconSmallShortcut) DestroyIcon(hiconSmallShortcut);
 332             dwFlags &= ~ GIL_FORSHORTCUT;
 333           }
 334         }
 335
 336         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge, dwFlags);
 337 }
 338 /*****************************************************************************
 339  * SIC_GetIconIndex                     [internal]
 340  *
 341  * Parameters
 342  *      sSourceFile     [IN]    filename of file containing the icon
 343  *      index           [IN]    index/resID (negated) in this file
 344  *
 345  * NOTES
 346  *  look in the cache for a proper icon. if not available the icon is taken
 347  *  from the file and cached
 348  */
 349 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex, DWORD dwFlags )
 350 {
 351         SIC_ENTRY sice;
 352         INT ret, index = INVALID_INDEX;
 353         WCHAR path[MAX_PATH];
 354
 355         TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
 356
 357         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 358         sice.sSourceFile = path;
 359         sice.dwSourceIndex = dwSourceIndex;
 360         sice.dwFlags = dwFlags;
 361
 362         EnterCriticalSection(&SHELL32_SicCS);
 363
 364         if (NULL != DPA_GetPtr (sic_hdpa, 0))
 365         {
 366           /* search linear from position 0*/
 367           index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
 368         }
 369
 370         if ( INVALID_INDEX == index )
 371         {
 372           ret = SIC_LoadIcon (sSourceFile, dwSourceIndex, dwFlags);
 373         }
 374         else
 375         {
 376           TRACE("-- found\n");
 377           ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
 378         }
 379
 380         LeaveCriticalSection(&SHELL32_SicCS);
 381         return ret;
 382 }
 383 /*****************************************************************************
 384  * SIC_Initialize                       [internal]
 385  */
 386 BOOL SIC_Initialize(void)
 387 {
 388         HICON           hSm, hLg;
 389         int             cx_small, cy_small;
 390         int             cx_large, cy_large;
 391
 392         cx_small = GetSystemMetrics(SM_CXSMICON);
 393         cy_small = GetSystemMetrics(SM_CYSMICON);
 394         cx_large = GetSystemMetrics(SM_CXICON);
 395         cy_large = GetSystemMetrics(SM_CYICON);
 396
 397         TRACE("\n");
 398
 399         if (sic_hdpa)   /* already initialized?*/
 400           return TRUE;
 401
 402         sic_hdpa = DPA_Create(16);
 403
 404         if (!sic_hdpa)
 405         {
 406           return(FALSE);
 407         }
 408
 409         ShellSmallIconList = ImageList_Create(cx_small,cy_small,ILC_COLOR32|ILC_MASK,0,0x20);
 410         ShellBigIconList = ImageList_Create(cx_large,cy_large,ILC_COLOR32|ILC_MASK,0,0x20);
 411
 412         ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
 413         ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
 414
 415         /* Load the document icon, which is used as the default if an icon isn't found. */
 416         hSm = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(IDI_SHELL_DOCUMENT),
 417                                 IMAGE_ICON, cx_small, cy_small, LR_SHARED);
 418         hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(IDI_SHELL_DOCUMENT),
 419                                 IMAGE_ICON, cx_large, cy_large, LR_SHARED);
 420
 421         if (!hSm || !hLg)
 422         {
 423           FIXME("Failed to load IDI_SHELL_DOCUMENT icon!\n");
 424           return FALSE;
 425         }
 426
 427         SIC_IconAppend (swShell32Name, IDI_SHELL_DOCUMENT-1, hSm, hLg, 0);
 428         SIC_IconAppend (swShell32Name, -IDI_SHELL_DOCUMENT, hSm, hLg, 0);
 429
 430         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 431
 432         return TRUE;
 433 }
 434 /*************************************************************************
 435  * SIC_Destroy
 436  *
 437  * frees the cache
 438  */
 439 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
 440 {
 441         HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
 442         SHFree(ptr);
 443         return TRUE;
 444 }
 445
 446 void SIC_Destroy(void)
 447 {
 448         TRACE("\n");
 449
 450         EnterCriticalSection(&SHELL32_SicCS);
 451
 452         if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
 453
 454         sic_hdpa = NULL;
 455         ImageList_Destroy(ShellSmallIconList);
 456         ShellSmallIconList = 0;
 457         ImageList_Destroy(ShellBigIconList);
 458         ShellBigIconList = 0;
 459
 460         LeaveCriticalSection(&SHELL32_SicCS);
 461         DeleteCriticalSection(&SHELL32_SicCS);
 462 }
 463
 464 /*****************************************************************************
 465  * SIC_LoadOverlayIcon                  [internal]
 466  *
 467  * Load a shell overlay icon and return its icon cache index.
 468  */
 469 static int SIC_LoadOverlayIcon(int icon_idx)
 470 {
 471         WCHAR buffer[1024], wszIdx[8];
 472         HKEY hKeyShellIcons;
 473         LPCWSTR iconPath;
 474         int iconIdx;
 475
 476         static const WCHAR wszShellIcons[] = {
 477             'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 478             'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 479             'E','x','p','l','o','r','e','r','\\','S','h','e','l','l',' ','I','c','o','n','s',0
 480         };
 481         static const WCHAR wszNumFmt[] = {'%','d',0};
 482
 483         iconPath = swShell32Name;       /* default: load icon from shell32.dll */
 484         iconIdx = icon_idx;
 485
 486         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszShellIcons, 0, KEY_READ, &hKeyShellIcons) == ERROR_SUCCESS)
 487         {
 488             DWORD count = sizeof(buffer);
 489
 490             sprintfW(wszIdx, wszNumFmt, icon_idx);
 491
 492             /* read icon path and index */
 493             if (RegQueryValueExW(hKeyShellIcons, wszIdx, NULL, NULL, (LPBYTE)buffer, &count) == ERROR_SUCCESS)
 494             {
 495                 LPWSTR p = strchrW(buffer, ',');
 496
 497                 if (p)
 498                     *p++ = 0;
 499
 500                 iconPath = buffer;
 501                 iconIdx = atoiW(p);
 502             }
 503
 504             RegCloseKey(hKeyShellIcons);
 505         }
 506
 507         return SIC_LoadIcon(iconPath, iconIdx, 0);
 508 }
 509
 510 /*************************************************************************
 511  * Shell_GetImageList                   [SHELL32.71]
 512  *
 513  * PARAMETERS
 514  *  imglist[1|2] [OUT] pointer which receives imagelist handles
 515  *
 516  */
 517 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 518 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 519         if (lpBigList)
 520         { *lpBigList = ShellBigIconList;
 521         }
 522         if (lpSmallList)
 523         { *lpSmallList = ShellSmallIconList;
 524         }
 525
 526         return TRUE;
 527 }
 528 /*************************************************************************
 529  * PidlToSicIndex                       [INTERNAL]
 530  *
 531  * PARAMETERS
 532  *      sh      [IN]    IShellFolder
 533  *      pidl    [IN]
 534  *      bBigIcon [IN]
 535  *      uFlags  [IN]    GIL_*
 536  *      pIndex  [OUT]   index within the SIC
 537  *
 538  */
 539 BOOL PidlToSicIndex (
 540         IShellFolder * sh,
 541         LPCITEMIDLIST pidl,
 542         BOOL bBigIcon,
 543         UINT uFlags,
 544         int * pIndex)
 545 {
 546         IExtractIconW   *ei;
 547         WCHAR           szIconFile[MAX_PATH];   /* file containing the icon */
 548         INT             iSourceIndex;           /* index or resID(negated) in this file */
 549         BOOL            ret = FALSE;
 550         UINT            dwFlags = 0;
 551         int             iShortcutDefaultIndex = INVALID_INDEX;
 552
 553         TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
 554
 555         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
 556         {
 557           if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
 558           {
 559             *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex, uFlags);
 560             ret = TRUE;
 561           }
 562           IExtractIconW_Release(ei);
 563         }
 564
 565         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 566         {
 567           if (0 == (uFlags & GIL_FORSHORTCUT))
 568           {
 569             *pIndex = 0;
 570           }
 571           else
 572           {
 573             if (INVALID_INDEX == iShortcutDefaultIndex)
 574             {
 575               iShortcutDefaultIndex = SIC_LoadIcon(swShell32Name, 0, GIL_FORSHORTCUT);
 576             }
 577             *pIndex = (INVALID_INDEX != iShortcutDefaultIndex ? iShortcutDefaultIndex : 0);
 578           }
 579         }
 580
 581         return ret;
 582
 583 }
 584
 585 /*************************************************************************
 586  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 587  *
 588  * PARAMETERS
 589  *      sh      [IN]            pointer to an instance of IShellFolder
 590  *      pidl    [IN]
 591  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 592  *
 593  */
 594 int WINAPI SHMapPIDLToSystemImageListIndex(
 595         IShellFolder *sh,
 596         LPCITEMIDLIST pidl,
 597         int *pIndex)
 598 {
 599         int Index;
 600         UINT uGilFlags = 0;
 601
 602         TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 603         pdump(pidl);
 604
 605         if (SHELL_IsShortcut(pidl))
 606             uGilFlags |= GIL_FORSHORTCUT;
 607
 608         if (pIndex)
 609             if (!PidlToSicIndex ( sh, pidl, 1, uGilFlags, pIndex))
 610                 *pIndex = -1;
 611
 612         if (!PidlToSicIndex ( sh, pidl, 0, uGilFlags, &Index))
 613             return -1;
 614
 615         return Index;
 616 }
 617
 618 /*************************************************************************
 619  * SHMapIDListToImageListIndexAsync  [SHELL32.148]
 620  */
 621 HRESULT WINAPI SHMapIDListToImageListIndexAsync(IUnknown *pts, IShellFolder *psf,
 622                                                 LPCITEMIDLIST pidl, UINT flags,
 623                                                 void *pfn, void *pvData, void *pvHint,
 624                                                 int *piIndex, int *piIndexSel)
 625 {
 626     FIXME("(%p, %p, %p, 0x%08x, %p, %p, %p, %p, %p)\n",
 627             pts, psf, pidl, flags, pfn, pvData, pvHint, piIndex, piIndexSel);
 628     return E_FAIL;
 629 }
 630
 631 /*************************************************************************
 632  * Shell_GetCachedImageIndex            [SHELL32.72]
 633  *
 634  */
 635 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 636 {
 637         INT ret, len;
 638         LPWSTR szTemp;
 639
 640         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 641
 642         len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
 643         szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 644         MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
 645
 646         ret = SIC_GetIconIndex( szTemp, nIndex, 0 );
 647
 648         HeapFree( GetProcessHeap(), 0, szTemp );
 649
 650         return ret;
 651 }
 652
 653 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 654 {
 655         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 656
 657         return SIC_GetIconIndex(szPath, nIndex, 0);
 658 }
 659
 660 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 661 {       if( SHELL_OsIsUnicode())
 662           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 663         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 664 }
 665
 666 /*************************************************************************
 667  * ExtractIconExW                       [SHELL32.@]
 668  * RETURNS
 669  *  0 no icon found
 670  *  -1 file is not valid
 671  *  or number of icons extracted
 672  */
 673 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 674 {
 675         TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
 676
 677         return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 678 }
 679
 680 /*************************************************************************
 681  * ExtractIconExA                       [SHELL32.@]
 682  */
 683 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 684 {
 685     UINT ret = 0;
 686     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 687     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 688
 689     TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 690
 691     if (lpwstrFile)
 692     {
 693         MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 694         ret = ExtractIconExW(lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 695         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 696     }
 697     return ret;
 698 }
 699
 700 /*************************************************************************
 701  *                              ExtractAssociatedIconA (SHELL32.@)
 702  *
 703  * Return icon for given file (either from file itself or from associated
 704  * executable) and patch parameters if needed.
 705  */
 706 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 707 {
 708     HICON hIcon = NULL;
 709     INT len = MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, NULL, 0);
 710     /* Note that we need to allocate MAX_PATH, since we are supposed to fill
 711      * the correct executable if there is no icon in lpIconPath directly.
 712      * lpIconPath itself is supposed to be large enough, so make sure lpIconPathW
 713      * is large enough too. Yes, I am puking too.
 714      */
 715     LPWSTR lpIconPathW = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
 716
 717     TRACE("%p %s %p\n", hInst, debugstr_a(lpIconPath), lpiIcon);
 718
 719     if (lpIconPathW)
 720     {
 721         MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, lpIconPathW, len);
 722         hIcon = ExtractAssociatedIconW(hInst, lpIconPathW, lpiIcon);
 723         WideCharToMultiByte(CP_ACP, 0, lpIconPathW, -1, lpIconPath, MAX_PATH , NULL, NULL);
 724         HeapFree(GetProcessHeap(), 0, lpIconPathW);
 725     }
 726     return hIcon;
 727 }
 728
 729 /*************************************************************************
 730  *                              ExtractAssociatedIconW (SHELL32.@)
 731  *
 732  * Return icon for given file (either from file itself or from associated
 733  * executable) and patch parameters if needed.
 734  */
 735 HICON WINAPI ExtractAssociatedIconW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIcon)
 736 {
 737     HICON hIcon = NULL;
 738     WORD wDummyIcon = 0;
 739
 740     TRACE("%p %s %p\n", hInst, debugstr_w(lpIconPath), lpiIcon);
 741
 742     if(lpiIcon == NULL)
 743         lpiIcon = &wDummyIcon;
 744
 745     hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 746
 747     if( hIcon < (HICON)2 )
 748     { if( hIcon == (HICON)1 ) /* no icons found in given file */
 749       { WCHAR tempPath[MAX_PATH];
 750         HINSTANCE uRet = FindExecutableW(lpIconPath,NULL,tempPath);
 751
 752         if( uRet > (HINSTANCE)32 && tempPath[0] )
 753         { lstrcpyW(lpIconPath,tempPath);
 754           hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 755           if( hIcon > (HICON)2 )
 756             return hIcon;
 757         }
 758       }
 759
 760       if( hIcon == (HICON)1 )
 761         *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 762       else
 763         *lpiIcon = 6;   /* generic icon - found nothing */
 764
 765       if (GetModuleFileNameW(hInst, lpIconPath, MAX_PATH))
 766         hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(*lpiIcon));
 767     }
 768     return hIcon;
 769 }
 770
 771 /*************************************************************************
 772  *                              ExtractAssociatedIconExW (SHELL32.@)
 773  *
 774  * Return icon for given file (either from file itself or from associated
 775  * executable) and patch parameters if needed.
 776  */
 777 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 778 {
 779   FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
 780   return 0;
 781 }
 782
 783 /*************************************************************************
 784  *                              ExtractAssociatedIconExA (SHELL32.@)
 785  *
 786  * Return icon for given file (either from file itself or from associated
 787  * executable) and patch parameters if needed.
 788  */
 789 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 790 {
 791   HICON ret;
 792   INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
 793   LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 794
 795   TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
 796
 797   MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
 798   ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
 799   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 800   return ret;
 801 }
 802
 803
 804 /****************************************************************************
 805  * SHDefExtractIconW            [SHELL32.@]
 806  */
 807 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
 808                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 809 {
 810         UINT ret;
 811         HICON hIcons[2];
 812         WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 813
 814         ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
 815         /* FIXME: deal with uFlags parameter which contains GIL_ flags */
 816         if (ret == 0xFFFFFFFF)
 817           return E_FAIL;
 818         if (ret > 0) {
 819           *phiconLarge = hIcons[0];
 820           *phiconSmall = hIcons[1];
 821           return S_OK;
 822         }
 823         return S_FALSE;
 824 }
 825
 826 /****************************************************************************
 827  * SHDefExtractIconA            [SHELL32.@]
 828  */
 829 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
 830                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 831 {
 832   HRESULT ret;
 833   INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
 834   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 835
 836   TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 837
 838   MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
 839   ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 840   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 841   return ret;
 842 }