dll/win32/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 #if defined(__CYGWIN__) || defined (__MINGW32__) || defined(_MSC_VER)
 310         static UINT (WINAPI*PrivateExtractIconExW)(LPCWSTR,int,HICON*,HICON*,UINT) = NULL;
 311
 312         if (!PrivateExtractIconExW) {
 313             HMODULE hUser32 = GetModuleHandleA("user32");
 314             PrivateExtractIconExW = (UINT(WINAPI*)(LPCWSTR,int,HICON*,HICON*,UINT)) GetProcAddress(hUser32, "PrivateExtractIconExW");
 315         }
 316
 317         if (PrivateExtractIconExW)
 318             PrivateExtractIconExW(sSourceFile, dwSourceIndex, &hiconLarge, &hiconSmall, 1);
 319         else
 320 #endif
 321         {
 322             PrivateExtractIconsW(sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, NULL, 1, 0);
 323             PrivateExtractIconsW(sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, NULL, 1, 0);
 324         }
 325
 326         if ( !hiconLarge ||  !hiconSmall)
 327         {
 328           WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
 329           return -1;
 330         }
 331
 332         if (0 != (dwFlags & GIL_FORSHORTCUT))
 333         {
 334           hiconLargeShortcut = SIC_OverlayShortcutImage(hiconLarge, TRUE);
 335           hiconSmallShortcut = SIC_OverlayShortcutImage(hiconSmall, FALSE);
 336           if (NULL != hiconLargeShortcut && NULL != hiconSmallShortcut)
 337           {
 338             hiconLarge = hiconLargeShortcut;
 339             hiconSmall = hiconSmallShortcut;
 340           }
 341           else
 342           {
 343             WARN("Failed to create shortcut overlayed icons\n");
 344             if (NULL != hiconLargeShortcut) DestroyIcon(hiconLargeShortcut);
 345             if (NULL != hiconSmallShortcut) DestroyIcon(hiconSmallShortcut);
 346             dwFlags &= ~ GIL_FORSHORTCUT;
 347           }
 348         }
 349
 350         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge, dwFlags);
 351 }
 352 /*****************************************************************************
 353  * SIC_GetIconIndex                     [internal]
 354  *
 355  * Parameters
 356  *      sSourceFile     [IN]    filename of file containing the icon
 357  *      index           [IN]    index/resID (negated) in this file
 358  *
 359  * NOTES
 360  *  look in the cache for a proper icon. if not available the icon is taken
 361  *  from the file and cached
 362  */
 363 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex, DWORD dwFlags )
 364 {
 365         SIC_ENTRY sice;
 366         INT ret, index = INVALID_INDEX;
 367         WCHAR path[MAX_PATH];
 368
 369         TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
 370
 371         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 372         sice.sSourceFile = path;
 373         sice.dwSourceIndex = dwSourceIndex;
 374         sice.dwFlags = dwFlags;
 375
 376         EnterCriticalSection(&SHELL32_SicCS);
 377
 378         if (NULL != DPA_GetPtr (sic_hdpa, 0))
 379         {
 380           /* search linear from position 0*/
 381           index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
 382         }
 383
 384         if ( INVALID_INDEX == index )
 385         {
 386           ret = SIC_LoadIcon (sSourceFile, dwSourceIndex, dwFlags);
 387         }
 388         else
 389         {
 390           TRACE("-- found\n");
 391           ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
 392         }
 393
 394         LeaveCriticalSection(&SHELL32_SicCS);
 395         return ret;
 396 }
 397 /*****************************************************************************
 398  * SIC_Initialize                       [internal]
 399  */
 400 BOOL SIC_Initialize(void)
 401 {
 402         HICON           hSm, hLg;
 403         int             cx_small, cy_small;
 404         int             cx_large, cy_large;
 405
 406         cx_small = GetSystemMetrics(SM_CXSMICON);
 407         cy_small = GetSystemMetrics(SM_CYSMICON);
 408         cx_large = GetSystemMetrics(SM_CXICON);
 409         cy_large = GetSystemMetrics(SM_CYICON);
 410
 411         TRACE("\n");
 412
 413         if (sic_hdpa)   /* already initialized?*/
 414           return TRUE;
 415
 416         sic_hdpa = DPA_Create(16);
 417
 418         if (!sic_hdpa)
 419         {
 420           return(FALSE);
 421         }
 422
 423         ShellSmallIconList = ImageList_Create(cx_small,cy_small,ILC_COLOR32|ILC_MASK,0,0x20);
 424         ShellBigIconList = ImageList_Create(cx_large,cy_large,ILC_COLOR32|ILC_MASK,0,0x20);
 425
 426         ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
 427         ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
 428
 429         /* Load the document icon, which is used as the default if an icon isn't found. */
 430         hSm = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(IDI_SHELL_DOCUMENT),
 431                                 IMAGE_ICON, cx_small, cy_small, LR_SHARED);
 432         hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(IDI_SHELL_DOCUMENT),
 433                                 IMAGE_ICON, cx_large, cy_large, LR_SHARED);
 434
 435         if (!hSm || !hLg)
 436         {
 437           FIXME("Failed to load IDI_SHELL_DOCUMENT icon!\n");
 438           return FALSE;
 439         }
 440
 441         SIC_IconAppend (swShell32Name, IDI_SHELL_DOCUMENT-1, hSm, hLg, 0);
 442         SIC_IconAppend (swShell32Name, -IDI_SHELL_DOCUMENT, hSm, hLg, 0);
 443
 444         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 445
 446         return TRUE;
 447 }
 448 /*************************************************************************
 449  * SIC_Destroy
 450  *
 451  * frees the cache
 452  */
 453 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
 454 {
 455         HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
 456         SHFree(ptr);
 457         return TRUE;
 458 }
 459
 460 void SIC_Destroy(void)
 461 {
 462         TRACE("\n");
 463
 464         EnterCriticalSection(&SHELL32_SicCS);
 465
 466         if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
 467
 468         sic_hdpa = NULL;
 469         ImageList_Destroy(ShellSmallIconList);
 470         ShellSmallIconList = 0;
 471         ImageList_Destroy(ShellBigIconList);
 472         ShellBigIconList = 0;
 473
 474         LeaveCriticalSection(&SHELL32_SicCS);
 475         //DeleteCriticalSection(&SHELL32_SicCS); //static
 476 }
 477
 478 /*****************************************************************************
 479  * SIC_LoadOverlayIcon                  [internal]
 480  *
 481  * Load a shell overlay icon and return its icon cache index.
 482  */
 483 static int SIC_LoadOverlayIcon(int icon_idx)
 484 {
 485         WCHAR buffer[1024], wszIdx[8];
 486         HKEY hKeyShellIcons;
 487         LPCWSTR iconPath;
 488         int iconIdx;
 489
 490         static const WCHAR wszShellIcons[] = {
 491             'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 492             'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 493             'E','x','p','l','o','r','e','r','\\','S','h','e','l','l',' ','I','c','o','n','s',0
 494         };
 495         static const WCHAR wszNumFmt[] = {'%','d',0};
 496
 497         iconPath = swShell32Name;       /* default: load icon from shell32.dll */
 498         iconIdx = icon_idx;
 499
 500         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszShellIcons, 0, KEY_READ, &hKeyShellIcons) == ERROR_SUCCESS)
 501         {
 502             DWORD count = sizeof(buffer);
 503
 504             sprintfW(wszIdx, wszNumFmt, icon_idx);
 505
 506             /* read icon path and index */
 507             if (RegQueryValueExW(hKeyShellIcons, wszIdx, NULL, NULL, (LPBYTE)buffer, &count) == ERROR_SUCCESS)
 508             {
 509                 LPWSTR p = strchrW(buffer, ',');
 510
 511                 if (p)
 512                     *p++ = 0;
 513
 514                 iconPath = buffer;
 515                 iconIdx = atoiW(p);
 516             }
 517
 518             RegCloseKey(hKeyShellIcons);
 519         }
 520
 521         return SIC_LoadIcon(iconPath, iconIdx, 0);
 522 }
 523
 524 /*************************************************************************
 525  * Shell_GetImageList                   [SHELL32.71]
 526  *
 527  * PARAMETERS
 528  *  imglist[1|2] [OUT] pointer which receives imagelist handles
 529  *
 530  */
 531 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 532 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 533         if (lpBigList)
 534         { *lpBigList = ShellBigIconList;
 535         }
 536         if (lpSmallList)
 537         { *lpSmallList = ShellSmallIconList;
 538         }
 539
 540         return TRUE;
 541 }
 542 /*************************************************************************
 543  * PidlToSicIndex                       [INTERNAL]
 544  *
 545  * PARAMETERS
 546  *      sh      [IN]    IShellFolder
 547  *      pidl    [IN]
 548  *      bBigIcon [IN]
 549  *      uFlags  [IN]    GIL_*
 550  *      pIndex  [OUT]   index within the SIC
 551  *
 552  */
 553 BOOL PidlToSicIndex (
 554         IShellFolder * sh,
 555         LPCITEMIDLIST pidl,
 556         BOOL bBigIcon,
 557         UINT uFlags,
 558         int * pIndex)
 559 {
 560         IExtractIconW   *ei;
 561         WCHAR           szIconFile[MAX_PATH];   /* file containing the icon */
 562         INT             iSourceIndex;           /* index or resID(negated) in this file */
 563         BOOL            ret = FALSE;
 564         UINT            dwFlags = 0;
 565         int             iShortcutDefaultIndex = INVALID_INDEX;
 566
 567         TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
 568
 569         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
 570         {
 571           if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
 572           {
 573             *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex, uFlags);
 574             ret = TRUE;
 575           }
 576           IExtractIconW_Release(ei);
 577         }
 578
 579         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 580         {
 581           if (0 == (uFlags & GIL_FORSHORTCUT))
 582           {
 583             *pIndex = 0;
 584           }
 585           else
 586           {
 587             if (INVALID_INDEX == iShortcutDefaultIndex)
 588             {
 589               iShortcutDefaultIndex = SIC_LoadIcon(swShell32Name, 0, GIL_FORSHORTCUT);
 590             }
 591             *pIndex = (INVALID_INDEX != iShortcutDefaultIndex ? iShortcutDefaultIndex : 0);
 592           }
 593         }
 594
 595         return ret;
 596
 597 }
 598
 599 /*************************************************************************
 600  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 601  *
 602  * PARAMETERS
 603  *      sh      [IN]            pointer to an instance of IShellFolder
 604  *      pidl    [IN]
 605  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 606  *
 607  */
 608 int WINAPI SHMapPIDLToSystemImageListIndex(
 609         IShellFolder *sh,
 610         LPCITEMIDLIST pidl,
 611         int *pIndex)
 612 {
 613         int Index;
 614         UINT uGilFlags = 0;
 615
 616         TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 617         pdump(pidl);
 618
 619         if (SHELL_IsShortcut(pidl))
 620             uGilFlags |= GIL_FORSHORTCUT;
 621
 622         if (pIndex)
 623             if (!PidlToSicIndex ( sh, pidl, 1, uGilFlags, pIndex))
 624                 *pIndex = -1;
 625
 626         if (!PidlToSicIndex ( sh, pidl, 0, uGilFlags, &Index))
 627             return -1;
 628
 629         return Index;
 630 }
 631
 632 /*************************************************************************
 633  * SHMapIDListToImageListIndexAsync  [SHELL32.148]
 634  */
 635 HRESULT WINAPI SHMapIDListToImageListIndexAsync(IUnknown *pts, IShellFolder *psf,
 636                                                 LPCITEMIDLIST pidl, UINT flags,
 637                                                 void *pfn, void *pvData, void *pvHint,
 638                                                 int *piIndex, int *piIndexSel)
 639 {
 640     FIXME("(%p, %p, %p, 0x%08x, %p, %p, %p, %p, %p)\n",
 641             pts, psf, pidl, flags, pfn, pvData, pvHint, piIndex, piIndexSel);
 642     return E_FAIL;
 643 }
 644
 645 /*************************************************************************
 646  * Shell_GetCachedImageIndex            [SHELL32.72]
 647  *
 648  */
 649 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 650 {
 651         INT ret, len;
 652         LPWSTR szTemp;
 653
 654         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 655
 656         len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
 657         szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 658         MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
 659
 660         ret = SIC_GetIconIndex( szTemp, nIndex, 0 );
 661
 662         HeapFree( GetProcessHeap(), 0, szTemp );
 663
 664         return ret;
 665 }
 666
 667 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 668 {
 669         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 670
 671         return SIC_GetIconIndex(szPath, nIndex, 0);
 672 }
 673
 674 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 675 {       if( SHELL_OsIsUnicode())
 676           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 677         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 678 }
 679
 680 /*************************************************************************
 681  * ExtractIconExW                       [SHELL32.@]
 682  * RETURNS
 683  *  0 no icon found
 684  *  -1 file is not valid
 685  *  or number of icons extracted
 686  */
 687 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 688 {
 689         /* get entry point of undocumented function PrivateExtractIconExW() in user32 */
 690 #if defined(__CYGWIN__) || defined (__MINGW32__) || defined(_MSC_VER)
 691         static UINT (WINAPI*PrivateExtractIconExW)(LPCWSTR,int,HICON*,HICON*,UINT) = NULL;
 692
 693         if (!PrivateExtractIconExW) {
 694             HMODULE hUser32 = GetModuleHandleA("user32");
 695             PrivateExtractIconExW = (UINT(WINAPI*)(LPCWSTR,int,HICON*,HICON*,UINT)) GetProcAddress(hUser32, "PrivateExtractIconExW");
 696
 697             if (!PrivateExtractIconExW)
 698                 return 0;
 699         }
 700 #endif
 701
 702         TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
 703
 704         return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 705 }
 706
 707 /*************************************************************************
 708  * ExtractIconExA                       [SHELL32.@]
 709  */
 710 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 711 {
 712     UINT ret = 0;
 713     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 714     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 715
 716     TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 717
 718     if (lpwstrFile)
 719     {
 720         MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 721         ret = ExtractIconExW(lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 722         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 723     }
 724     return ret;
 725 }
 726
 727 /*************************************************************************
 728  *                              ExtractAssociatedIconA (SHELL32.@)
 729  *
 730  * Return icon for given file (either from file itself or from associated
 731  * executable) and patch parameters if needed.
 732  */
 733 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 734 {
 735     HICON hIcon = NULL;
 736     INT len = MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, NULL, 0);
 737     /* Note that we need to allocate MAX_PATH, since we are supposed to fill
 738      * the correct executable if there is no icon in lpIconPath directly.
 739      * lpIconPath itself is supposed to be large enough, so make sure lpIconPathW
 740      * is large enough too. Yes, I am puking too.
 741      */
 742     LPWSTR lpIconPathW = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
 743
 744     TRACE("%p %s %p\n", hInst, debugstr_a(lpIconPath), lpiIcon);
 745
 746     if (lpIconPathW)
 747     {
 748         MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, lpIconPathW, len);
 749         hIcon = ExtractAssociatedIconW(hInst, lpIconPathW, lpiIcon);
 750         WideCharToMultiByte(CP_ACP, 0, lpIconPathW, -1, lpIconPath, MAX_PATH , NULL, NULL);
 751         HeapFree(GetProcessHeap(), 0, lpIconPathW);
 752     }
 753     return hIcon;
 754 }
 755
 756 /*************************************************************************
 757  *                              ExtractAssociatedIconW (SHELL32.@)
 758  *
 759  * Return icon for given file (either from file itself or from associated
 760  * executable) and patch parameters if needed.
 761  */
 762 HICON WINAPI ExtractAssociatedIconW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIcon)
 763 {
 764     HICON hIcon = NULL;
 765     WORD wDummyIcon = 0;
 766
 767     TRACE("%p %s %p\n", hInst, debugstr_w(lpIconPath), lpiIcon);
 768
 769     if(lpiIcon == NULL)
 770         lpiIcon = &wDummyIcon;
 771
 772     hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 773
 774     if( hIcon < (HICON)2 )
 775     { if( hIcon == (HICON)1 ) /* no icons found in given file */
 776       { WCHAR tempPath[MAX_PATH];
 777         HINSTANCE uRet = FindExecutableW(lpIconPath,NULL,tempPath);
 778
 779         if( uRet > (HINSTANCE)32 && tempPath[0] )
 780         { lstrcpyW(lpIconPath,tempPath);
 781           hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 782           if( hIcon > (HICON)2 )
 783             return hIcon;
 784         }
 785       }
 786
 787       if( hIcon == (HICON)1 )
 788         *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 789       else
 790         *lpiIcon = 6;   /* generic icon - found nothing */
 791
 792       if (GetModuleFileNameW(hInst, lpIconPath, MAX_PATH))
 793         hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(*lpiIcon));
 794     }
 795     return hIcon;
 796 }
 797
 798 /*************************************************************************
 799  *                              ExtractAssociatedIconExW (SHELL32.@)
 800  *
 801  * Return icon for given file (either from file itself or from associated
 802  * executable) and patch parameters if needed.
 803  */
 804 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 805 {
 806   FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
 807   return 0;
 808 }
 809
 810 /*************************************************************************
 811  *                              ExtractAssociatedIconExA (SHELL32.@)
 812  *
 813  * Return icon for given file (either from file itself or from associated
 814  * executable) and patch parameters if needed.
 815  */
 816 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 817 {
 818   HICON ret;
 819   INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
 820   LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 821
 822   TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
 823
 824   MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
 825   ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
 826   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 827   return ret;
 828 }
 829
 830
 831 /****************************************************************************
 832  * SHDefExtractIconW            [SHELL32.@]
 833  */
 834 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
 835                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 836 {
 837         UINT ret;
 838         HICON hIcons[2];
 839         WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 840
 841         ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
 842         /* FIXME: deal with uFlags parameter which contains GIL_ flags */
 843         if (ret == 0xFFFFFFFF)
 844           return E_FAIL;
 845         if (ret > 0) {
 846           *phiconLarge = hIcons[0];
 847           *phiconSmall = hIcons[1];
 848           return S_OK;
 849         }
 850         return S_FALSE;
 851 }
 852
 853 /****************************************************************************
 854  * SHDefExtractIconA            [SHELL32.@]
 855  */
 856 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
 857                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 858 {
 859   HRESULT ret;
 860   INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
 861   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 862
 863   TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 864
 865   MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
 866   ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 867   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 868   return ret;
 869 }