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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "shlguid.h"
  43 #include "pidl.h"
  44 #include "shell32_main.h"
  45 #include "undocshell.h"
  46 #include "shresdef.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  49
  50 /********************** THE ICON CACHE ********************************/
  51
  52 #define INVALID_INDEX -1
  53
  54 typedef struct
  55 {
  56         LPWSTR sSourceFile;     /* file (not path!) containing the icon */
  57         DWORD dwSourceIndex;    /* index within the file, if it is a resoure ID it will be negated */
  58         DWORD dwListIndex;      /* index within the iconlist */
  59         DWORD dwFlags;          /* GIL_* flags */
  60         DWORD dwAccessTime;
  61 } SIC_ENTRY, * LPSIC_ENTRY;
  62
  63 static HDPA             sic_hdpa = 0;
  64
  65 static CRITICAL_SECTION SHELL32_SicCS;
  66 static CRITICAL_SECTION_DEBUG critsect_debug =
  67 {
  68     0, 0, &SHELL32_SicCS,
  69     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  70       0, 0, { 0, (DWORD)(__FILE__ ": SHELL32_SicCS") }
  71 };
  72 static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
  73
  74 /*****************************************************************************
  75  * SIC_CompareEntries
  76  *
  77  * NOTES
  78  *  Callback for DPA_Search
  79  */
  80 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
  81 {       LPSIC_ENTRY e1 = (LPSIC_ENTRY)p1, e2 = (LPSIC_ENTRY)p2;
  82
  83         TRACE("%p %p %8lx\n", p1, p2, lparam);
  84
  85         /* Icons in the cache are keyed by the name of the file they are
  86          * loaded from, their resource index and the fact if they have a shortcut
  87          * icon overlay or not.
  88          */
  89         if (e1->dwSourceIndex != e2->dwSourceIndex || /* first the faster one */
  90             (e1->dwFlags & GIL_FORSHORTCUT) != (e2->dwFlags & GIL_FORSHORTCUT))
  91           return 1;
  92
  93         if (strcmpiW(e1->sSourceFile,e2->sSourceFile))
  94           return 1;
  95
  96         return 0;
  97 }
  98
  99 /*****************************************************************************
 100  * SIC_OverlayShortcutImage                     [internal]
 101  *
 102  * NOTES
 103  *  Creates a new icon as a copy of the passed-in icon, overlayed with a
 104  *  shortcut image.
 105  */
 106 static HICON SIC_OverlayShortcutImage(HICON SourceIcon)
 107 {       ICONINFO SourceIconInfo, ShortcutIconInfo, TargetIconInfo;
 108         HICON ShortcutIcon, TargetIcon;
 109         BITMAP SourceBitmapInfo, ShortcutBitmapInfo;
 110         HDC SourceDC = NULL,
 111           ShortcutDC = NULL,
 112           TargetDC = NULL,
 113           ScreenDC = NULL;
 114         HBITMAP OldSourceBitmap = NULL,
 115           OldShortcutBitmap = NULL,
 116           OldTargetBitmap = NULL;
 117
 118         /* Get information about the source icon and shortcut overlay */
 119         if (! GetIconInfo(SourceIcon, &SourceIconInfo)
 120             || 0 == GetObjectW(SourceIconInfo.hbmColor, sizeof(BITMAP), &SourceBitmapInfo))
 121         {
 122           return NULL;
 123         }
 124         ShortcutIcon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_SHORTCUT),
 125                                   IMAGE_ICON, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmWidth,
 126                                   LR_SHARED);
 127         if (NULL == ShortcutIcon
 128             || ! GetIconInfo(ShortcutIcon, &ShortcutIconInfo)
 129             || 0 == GetObjectW(ShortcutIconInfo.hbmColor, sizeof(BITMAP), &ShortcutBitmapInfo))
 130         {
 131           return NULL;
 132         }
 133
 134         TargetIconInfo = SourceIconInfo;
 135         TargetIconInfo.hbmMask = NULL;
 136         TargetIconInfo.hbmColor = NULL;
 137
 138         /* Setup the source, shortcut and target masks */
 139         SourceDC = CreateCompatibleDC(NULL);
 140         if (NULL == SourceDC) goto fail;
 141         OldSourceBitmap = SelectObject(SourceDC, SourceIconInfo.hbmMask);
 142         if (NULL == OldSourceBitmap) goto fail;
 143
 144         ShortcutDC = CreateCompatibleDC(NULL);
 145         if (NULL == ShortcutDC) goto fail;
 146         OldShortcutBitmap = SelectObject(ShortcutDC, ShortcutIconInfo.hbmMask);
 147         if (NULL == OldShortcutBitmap) goto fail;
 148
 149         TargetDC = CreateCompatibleDC(NULL);
 150         if (NULL == TargetDC) goto fail;
 151         TargetIconInfo.hbmMask = CreateCompatibleBitmap(TargetDC, SourceBitmapInfo.bmWidth,
 152                                                         SourceBitmapInfo.bmHeight);
 153         if (NULL == TargetIconInfo.hbmMask) goto fail;
 154         ScreenDC = GetDC(NULL);
 155         if (NULL == ScreenDC) goto fail;
 156         TargetIconInfo.hbmColor = CreateCompatibleBitmap(ScreenDC, SourceBitmapInfo.bmWidth,
 157                                                          SourceBitmapInfo.bmHeight);
 158         ReleaseDC(NULL, ScreenDC);
 159         if (NULL == TargetIconInfo.hbmColor) goto fail;
 160         OldTargetBitmap = SelectObject(TargetDC, TargetIconInfo.hbmMask);
 161         if (NULL == OldTargetBitmap) goto fail;
 162
 163         /* Create the target mask by ANDing the source and shortcut masks */
 164         if (! BitBlt(TargetDC, 0, 0, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmHeight,
 165                      SourceDC, 0, 0, SRCCOPY) ||
 166             ! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
 167                      ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
 168                      ShortcutDC, 0, 0, SRCAND))
 169         {
 170           goto fail;
 171         }
 172
 173         /* Setup the source and target xor bitmap */
 174         if (NULL == SelectObject(SourceDC, SourceIconInfo.hbmColor) ||
 175             NULL == SelectObject(TargetDC, TargetIconInfo.hbmColor))
 176         {
 177           goto fail;
 178         }
 179
 180         /* Copy the source xor bitmap to the target and clear out part of it by using
 181            the shortcut mask */
 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         if (NULL == SelectObject(ShortcutDC, ShortcutIconInfo.hbmColor)) goto fail;
 192
 193         /* Now put in the shortcut xor mask */
 194         if (! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
 195                      ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
 196                      ShortcutDC, 0, 0, SRCINVERT))
 197         {
 198           goto fail;
 199         }
 200
 201         /* Clean up, we're not goto'ing to 'fail' after this so we can be lazy and not set
 202            handles to NULL */
 203         SelectObject(TargetDC, OldTargetBitmap);
 204         DeleteObject(TargetDC);
 205         SelectObject(ShortcutDC, OldShortcutBitmap);
 206         DeleteObject(ShortcutDC);
 207         SelectObject(SourceDC, OldSourceBitmap);
 208         DeleteObject(SourceDC);
 209
 210         /* Create the icon using the bitmaps prepared earlier */
 211         TargetIcon = CreateIconIndirect(&TargetIconInfo);
 212
 213         /* CreateIconIndirect copies the bitmaps, so we can release our bitmaps now */
 214         DeleteObject(TargetIconInfo.hbmColor);
 215         DeleteObject(TargetIconInfo.hbmMask);
 216
 217         return TargetIcon;
 218
 219 fail:
 220         /* Clean up scratch resources we created */
 221         if (NULL != OldTargetBitmap) SelectObject(TargetDC, OldTargetBitmap);
 222         if (NULL != TargetIconInfo.hbmColor) DeleteObject(TargetIconInfo.hbmColor);
 223         if (NULL != TargetIconInfo.hbmMask) DeleteObject(TargetIconInfo.hbmMask);
 224         if (NULL != TargetDC) DeleteObject(TargetDC);
 225         if (NULL != OldShortcutBitmap) SelectObject(ShortcutDC, OldShortcutBitmap);
 226         if (NULL != ShortcutDC) DeleteObject(ShortcutDC);
 227         if (NULL != OldSourceBitmap) SelectObject(SourceDC, OldSourceBitmap);
 228         if (NULL != SourceDC) DeleteObject(SourceDC);
 229
 230         return NULL;
 231 }
 232
 233 /*****************************************************************************
 234  * SIC_IconAppend                       [internal]
 235  *
 236  * NOTES
 237  *  appends an icon pair to the end of the cache
 238  */
 239 static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon, DWORD dwFlags)
 240 {       LPSIC_ENTRY lpsice;
 241         INT ret, index, index1;
 242         WCHAR path[MAX_PATH];
 243         TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
 244
 245         lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
 246
 247         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 248         lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
 249         strcpyW( lpsice->sSourceFile, path );
 250
 251         lpsice->dwSourceIndex = dwSourceIndex;
 252         lpsice->dwFlags = dwFlags;
 253
 254         EnterCriticalSection(&SHELL32_SicCS);
 255
 256         index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
 257         if ( INVALID_INDEX == index )
 258         {
 259           HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
 260           SHFree(lpsice);
 261           ret = INVALID_INDEX;
 262         }
 263         else
 264         {
 265           index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
 266           index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
 267
 268           if (index!=index1)
 269           {
 270             FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
 271           }
 272           lpsice->dwListIndex = index;
 273           ret = lpsice->dwListIndex;
 274         }
 275
 276         LeaveCriticalSection(&SHELL32_SicCS);
 277         return ret;
 278 }
 279 /****************************************************************************
 280  * SIC_LoadIcon                         [internal]
 281  *
 282  * NOTES
 283  *  gets small/big icon by number from a file
 284  */
 285 static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex, DWORD dwFlags)
 286 {       HICON   hiconLarge=0;
 287         HICON   hiconSmall=0;
 288         HICON   hiconLargeShortcut;
 289         HICON   hiconSmallShortcut;
 290
 291         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
 292         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
 293
 294         if ( !hiconLarge ||  !hiconSmall)
 295         {
 296           WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
 297           return -1;
 298         }
 299
 300         if (0 != (dwFlags & GIL_FORSHORTCUT))
 301         {
 302           hiconLargeShortcut = SIC_OverlayShortcutImage(hiconLarge);
 303           hiconSmallShortcut = SIC_OverlayShortcutImage(hiconSmall);
 304           if (NULL != hiconLargeShortcut && NULL != hiconSmallShortcut)
 305           {
 306             hiconLarge = hiconLargeShortcut;
 307             hiconSmall = hiconSmallShortcut;
 308           }
 309           else
 310           {
 311             WARN("Failed to create shortcut overlayed icons\n");
 312             if (NULL != hiconLargeShortcut) DestroyIcon(hiconLargeShortcut);
 313             if (NULL != hiconSmallShortcut) DestroyIcon(hiconSmallShortcut);
 314             dwFlags &= ~ GIL_FORSHORTCUT;
 315           }
 316         }
 317
 318         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge, dwFlags);
 319 }
 320 /*****************************************************************************
 321  * SIC_GetIconIndex                     [internal]
 322  *
 323  * Parameters
 324  *      sSourceFile     [IN]    filename of file containing the icon
 325  *      index           [IN]    index/resID (negated) in this file
 326  *
 327  * NOTES
 328  *  look in the cache for a proper icon. if not available the icon is taken
 329  *  from the file and cached
 330  */
 331 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex, DWORD dwFlags )
 332 {
 333         SIC_ENTRY sice;
 334         INT ret, index = INVALID_INDEX;
 335         WCHAR path[MAX_PATH];
 336
 337         TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
 338
 339         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 340         sice.sSourceFile = path;
 341         sice.dwSourceIndex = dwSourceIndex;
 342         sice.dwFlags = dwFlags;
 343
 344         EnterCriticalSection(&SHELL32_SicCS);
 345
 346         if (NULL != DPA_GetPtr (sic_hdpa, 0))
 347         {
 348           /* search linear from position 0*/
 349           index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
 350         }
 351
 352         if ( INVALID_INDEX == index )
 353         {
 354           ret = SIC_LoadIcon (sSourceFile, dwSourceIndex, dwFlags);
 355         }
 356         else
 357         {
 358           TRACE("-- found\n");
 359           ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
 360         }
 361
 362         LeaveCriticalSection(&SHELL32_SicCS);
 363         return ret;
 364 }
 365 /*****************************************************************************
 366  * SIC_Initialize                       [internal]
 367  *
 368  * NOTES
 369  *  hack to load the resources from the shell32.dll under a different dll name
 370  *  will be removed when the resource-compiler is ready
 371  */
 372 BOOL SIC_Initialize(void)
 373 {
 374         HICON           hSm, hLg;
 375         UINT            index;
 376         int             cx_small, cy_small;
 377         int             cx_large, cy_large;
 378
 379         cx_small = GetSystemMetrics(SM_CXSMICON);
 380         cy_small = GetSystemMetrics(SM_CYSMICON);
 381         cx_large = GetSystemMetrics(SM_CXICON);
 382         cy_large = GetSystemMetrics(SM_CYICON);
 383
 384         TRACE("\n");
 385
 386         if (sic_hdpa)   /* already initialized?*/
 387           return TRUE;
 388
 389         sic_hdpa = DPA_Create(16);
 390
 391         if (!sic_hdpa)
 392         {
 393           return(FALSE);
 394         }
 395
 396        ShellSmallIconList = ImageList_Create(16,16,ILC_COLOR32|ILC_MASK,0,0x20);
 397        ShellBigIconList = ImageList_Create(32,32,ILC_COLOR32|ILC_MASK,0,0x20);
 398
 399        ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
 400        ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
 401
 402         for (index=1; index<39; index++)
 403         {
 404           hSm = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
 405           hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
 406
 407           if(!hSm)
 408           {
 409             hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
 410             hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
 411           }
 412          SIC_IconAppend (swShell32Name, index - 1, hSm, hLg, 0);
 413          SIC_IconAppend (swShell32Name, -index, hSm, hLg, 0);
 414         }
 415
 416         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 417
 418         return TRUE;
 419 }
 420 /*************************************************************************
 421  * SIC_Destroy
 422  *
 423  * frees the cache
 424  */
 425 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
 426 {
 427         HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
 428         SHFree(ptr);
 429         return TRUE;
 430 }
 431
 432 void SIC_Destroy(void)
 433 {
 434         TRACE("\n");
 435
 436         EnterCriticalSection(&SHELL32_SicCS);
 437
 438         if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
 439
 440         sic_hdpa = NULL;
 441         ImageList_Destroy(ShellSmallIconList);
 442         ShellSmallIconList = 0;
 443         ImageList_Destroy(ShellBigIconList);
 444         ShellBigIconList = 0;
 445
 446         LeaveCriticalSection(&SHELL32_SicCS);
 447         DeleteCriticalSection(&SHELL32_SicCS);
 448 }
 449
 450 /*************************************************************************
 451  * Shell_GetImageList                   [SHELL32.71]
 452  *
 453  * PARAMETERS
 454  *  imglist[1|2] [OUT] pointer which receives imagelist handles
 455  *
 456  */
 457 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 458 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 459         if (lpBigList)
 460         { *lpBigList = ShellBigIconList;
 461         }
 462         if (lpSmallList)
 463         { *lpSmallList = ShellSmallIconList;
 464         }
 465
 466         return TRUE;
 467 }
 468 /*************************************************************************
 469  * PidlToSicIndex                       [INTERNAL]
 470  *
 471  * PARAMETERS
 472  *      sh      [IN]    IShellFolder
 473  *      pidl    [IN]
 474  *      bBigIcon [IN]
 475  *      uFlags  [IN]    GIL_*
 476  *      pIndex  [OUT]   index within the SIC
 477  *
 478  */
 479 BOOL PidlToSicIndex (
 480         IShellFolder * sh,
 481         LPCITEMIDLIST pidl,
 482         BOOL bBigIcon,
 483         UINT uFlags,
 484         int * pIndex)
 485 {
 486         IExtractIconW   *ei;
 487         WCHAR           szIconFile[MAX_PATH];   /* file containing the icon */
 488         char            szTemp[MAX_PATH];
 489         INT             iSourceIndex;           /* index or resID(negated) in this file */
 490         BOOL            ret = FALSE;
 491         UINT            dwFlags = 0;
 492         HKEY            keyCls;
 493         int             iShortcutDefaultIndex = INVALID_INDEX;
 494
 495         TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
 496
 497         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
 498         {
 499           if (_ILGetExtension(pidl, szTemp, MAX_PATH) &&
 500               HCR_MapTypeToValueA(szTemp, szTemp, MAX_PATH, TRUE))
 501           {
 502             if (ERROR_SUCCESS == RegOpenKeyExA(HKEY_CLASSES_ROOT, szTemp, 0, KEY_QUERY_VALUE, &keyCls))
 503             {
 504               if (ERROR_SUCCESS == RegQueryValueExA(keyCls, "IsShortcut", NULL, NULL, NULL, NULL))
 505               {
 506                 uFlags |= GIL_FORSHORTCUT;
 507               }
 508               RegCloseKey(keyCls);
 509             }
 510           }
 511           if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
 512           {
 513             *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex, uFlags);
 514             ret = TRUE;
 515           }
 516           IExtractIconW_Release(ei);
 517         }
 518
 519         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 520         {
 521           if (0 == (uFlags & GIL_FORSHORTCUT))
 522           {
 523             *pIndex = 0;
 524           }
 525           else
 526           {
 527             if (INVALID_INDEX == iShortcutDefaultIndex)
 528             {
 529               iShortcutDefaultIndex = SIC_LoadIcon(swShell32Name, 0, GIL_FORSHORTCUT);
 530             }
 531             *pIndex = (INVALID_INDEX != iShortcutDefaultIndex ? iShortcutDefaultIndex : 0);
 532           }
 533         }
 534
 535         return ret;
 536
 537 }
 538
 539 /*************************************************************************
 540  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 541  *
 542  * PARAMETERS
 543  *      sh      [IN]            pointer to an instance of IShellFolder
 544  *      pidl    [IN]
 545  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 546  *
 547  */
 548 int WINAPI SHMapPIDLToSystemImageListIndex(
 549         IShellFolder *sh,
 550         LPCITEMIDLIST pidl,
 551         int *pIndex)
 552 {
 553         int Index;
 554
 555         TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 556         pdump(pidl);
 557
 558         if (pIndex)
 559           PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
 560         PidlToSicIndex ( sh, pidl, 0, 0, &Index);
 561         return Index;
 562 }
 563
 564 /*************************************************************************
 565  * Shell_GetCachedImageIndex            [SHELL32.72]
 566  *
 567  */
 568 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 569 {
 570         INT ret, len;
 571         LPWSTR szTemp;
 572
 573         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 574
 575         len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
 576         szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 577         MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
 578
 579         ret = SIC_GetIconIndex( szTemp, nIndex, 0 );
 580
 581         HeapFree( GetProcessHeap(), 0, szTemp );
 582
 583         return ret;
 584 }
 585
 586 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 587 {
 588         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 589
 590         return SIC_GetIconIndex(szPath, nIndex, 0);
 591 }
 592
 593 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 594 {       if( SHELL_OsIsUnicode())
 595           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 596         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 597 }
 598
 599 /*************************************************************************
 600  * ExtractIconExW                       [SHELL32.@]
 601  * RETURNS
 602  *  0 no icon found
 603  *  -1 file is not valid
 604  *  or number of icons extracted
 605  */
 606 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 607 {
 608         TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
 609
 610         return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 611 }
 612
 613 /*************************************************************************
 614  * ExtractIconExA                       [SHELL32.@]
 615  */
 616 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 617 {
 618     UINT ret = 0;
 619     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 620     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 621
 622     TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 623
 624     if (lpwstrFile)
 625     {
 626         MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 627         ret = ExtractIconExW(lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 628         HeapFree(GetProcessHeap(), 0, lpwstrFile);
 629     }
 630     return ret;
 631 }
 632
 633 /*************************************************************************
 634  *                              ExtractAssociatedIconA (SHELL32.@)
 635  *
 636  * Return icon for given file (either from file itself or from associated
 637  * executable) and patch parameters if needed.
 638  */
 639 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 640 {
 641     HICON hIcon = NULL;
 642     INT len = MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, NULL, 0);
 643     LPWSTR lpIconPathW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 644
 645     TRACE("%p %s %p\n", hInst, debugstr_a(lpIconPath), lpiIcon);
 646
 647     if (lpIconPathW)
 648     {
 649         MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, lpIconPathW, len);
 650         hIcon = ExtractAssociatedIconW(hInst, lpIconPathW, lpiIcon);
 651         HeapFree(GetProcessHeap(), 0, lpIconPathW);
 652     }
 653     return hIcon;
 654 }
 655
 656 HICON WINAPI ExtractAssociatedIconW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIcon)
 657 {
 658     HICON hIcon = NULL;
 659     WORD wDummyIcon = 0;
 660
 661     TRACE("%p %s %p\n", hInst, debugstr_w(lpIconPath), lpiIcon);
 662
 663     if(lpiIcon == NULL)
 664         lpiIcon = &wDummyIcon;
 665
 666     hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 667
 668     if( hIcon < (HICON)2 )
 669     { if( hIcon == (HICON)1 ) /* no icons found in given file */
 670       { WCHAR tempPath[MAX_PATH];
 671         HINSTANCE uRet = FindExecutableW(lpIconPath,NULL,tempPath);
 672
 673         if( uRet > (HINSTANCE)32 && tempPath[0] )
 674         { lstrcpyW(lpIconPath,tempPath);
 675           hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
 676           if( hIcon > (HICON)2 )
 677             return hIcon;
 678         }
 679       }
 680
 681       if( hIcon == (HICON)1 )
 682         *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 683       else
 684         *lpiIcon = 6;   /* generic icon - found nothing */
 685
 686       if (GetModuleFileNameW(hInst, lpIconPath, MAX_PATH))
 687         hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(*lpiIcon));
 688     }
 689     return hIcon;
 690 }
 691
 692 /*************************************************************************
 693  *                              ExtractAssociatedIconExW (SHELL32.@)
 694  *
 695  * Return icon for given file (either from file itself or from associated
 696  * executable) and patch parameters if needed.
 697  */
 698 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 699 {
 700   FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
 701   return 0;
 702 }
 703
 704 /*************************************************************************
 705  *                              ExtractAssociatedIconExA (SHELL32.@)
 706  *
 707  * Return icon for given file (either from file itself or from associated
 708  * executable) and patch parameters if needed.
 709  */
 710 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 711 {
 712   HICON ret;
 713   INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
 714   LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 715
 716   TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
 717
 718   MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
 719   ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
 720   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 721   return ret;
 722 }
 723
 724
 725 /****************************************************************************
 726  * SHDefExtractIconW            [SHELL32.@]
 727  */
 728 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
 729                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 730 {
 731         UINT ret;
 732         HICON hIcons[2];
 733         WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 734
 735         ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
 736         /* FIXME: deal with uFlags parameter which contains GIL_ flags */
 737         if (ret == 0xFFFFFFFF)
 738           return E_FAIL;
 739         if (ret > 0) {
 740           *phiconLarge = hIcons[0];
 741           *phiconSmall = hIcons[1];
 742           return S_OK;
 743         }
 744         return S_FALSE;
 745 }
 746
 747 /****************************************************************************
 748  * SHDefExtractIconA            [SHELL32.@]
 749  */
 750 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
 751                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 752 {
 753   HRESULT ret;
 754   INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
 755   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 756
 757   TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 758
 759   MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
 760   ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 761   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 762   return ret;
 763 }