2 * shell icon cache (SIC)
4 * Copyright 1998, 1999 Juergen Schmied
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.
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.
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
22 #include "wine/port.h"
26 #include <sys/types.h>
35 #include "wine/debug.h"
41 #include "shell32_main.h"
42 #include "undocshell.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(shell);
47 /********************** THE ICON CACHE ********************************/
49 #define INVALID_INDEX -1
53 LPWSTR sSourceFile; /* file (not path!) containing the icon */
54 DWORD dwSourceIndex; /* index within the file, if it is a resoure ID it will be negated */
55 DWORD dwListIndex; /* index within the iconlist */
56 DWORD dwFlags; /* GIL_* flags */
58 } SIC_ENTRY, * LPSIC_ENTRY;
60 static HDPA sic_hdpa = 0;
62 static CRITICAL_SECTION SHELL32_SicCS;
63 static CRITICAL_SECTION_DEBUG critsect_debug =
66 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
67 0, 0, { 0, (DWORD)(__FILE__ ": SHELL32_SicCS") }
69 static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
71 /*****************************************************************************
75 * Callback for DPA_Search
77 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
78 { TRACE("%p %p %8lx\n", p1, p2, lparam);
80 if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
83 if (strcmpiW(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
88 /*****************************************************************************
89 * SIC_IconAppend [internal]
92 * appends an icon pair to the end of the cache
94 static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
96 INT ret, index, index1;
98 TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
100 lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
102 GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
103 lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
104 strcpyW( lpsice->sSourceFile, path );
106 lpsice->dwSourceIndex = dwSourceIndex;
108 EnterCriticalSection(&SHELL32_SicCS);
110 index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
111 if ( INVALID_INDEX == index )
113 HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
119 index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
120 index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
124 FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
126 lpsice->dwListIndex = index;
127 ret = lpsice->dwListIndex;
130 LeaveCriticalSection(&SHELL32_SicCS);
133 /****************************************************************************
134 * SIC_LoadIcon [internal]
137 * gets small/big icon by number from a file
139 static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex)
140 { HICON hiconLarge=0;
143 PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
144 PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
146 if ( !hiconLarge || !hiconSmall)
148 WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
151 return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
153 /*****************************************************************************
154 * SIC_GetIconIndex [internal]
157 * sSourceFile [IN] filename of file containing the icon
158 * index [IN] index/resID (negated) in this file
161 * look in the cache for a proper icon. if not available the icon is taken
162 * from the file and cached
164 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex )
167 INT ret, index = INVALID_INDEX;
168 WCHAR path[MAX_PATH];
170 TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
172 GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
173 sice.sSourceFile = path;
174 sice.dwSourceIndex = dwSourceIndex;
176 EnterCriticalSection(&SHELL32_SicCS);
178 if (NULL != DPA_GetPtr (sic_hdpa, 0))
180 /* search linear from position 0*/
181 index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
184 if ( INVALID_INDEX == index )
186 ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
191 ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
194 LeaveCriticalSection(&SHELL32_SicCS);
197 /*****************************************************************************
198 * SIC_Initialize [internal]
201 * hack to load the resources from the shell32.dll under a different dll name
202 * will be removed when the resource-compiler is ready
204 BOOL SIC_Initialize(void)
208 int cx_small, cy_small;
209 int cx_large, cy_large;
211 cx_small = GetSystemMetrics(SM_CXSMICON);
212 cy_small = GetSystemMetrics(SM_CYSMICON);
213 cx_large = GetSystemMetrics(SM_CXICON);
214 cy_large = GetSystemMetrics(SM_CYICON);
218 if (sic_hdpa) /* already initialized?*/
221 sic_hdpa = DPA_Create(16);
228 ShellSmallIconList = ImageList_Create(16,16,ILC_COLOR32|ILC_MASK,0,0x20);
229 ShellBigIconList = ImageList_Create(32,32,ILC_COLOR32|ILC_MASK,0,0x20);
231 ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
232 ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
234 for (index=1; index<39; index++)
236 hSm = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
237 hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
241 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
242 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
244 SIC_IconAppend (swShell32Name, index, hSm, hLg);
247 TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
251 /*************************************************************************
256 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
258 HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
263 void SIC_Destroy(void)
267 EnterCriticalSection(&SHELL32_SicCS);
269 if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
272 ImageList_Destroy(ShellSmallIconList);
273 ShellSmallIconList = 0;
274 ImageList_Destroy(ShellBigIconList);
275 ShellBigIconList = 0;
277 LeaveCriticalSection(&SHELL32_SicCS);
278 DeleteCriticalSection(&SHELL32_SicCS);
281 /*************************************************************************
282 * Shell_GetImageList [SHELL32.71]
285 * imglist[1|2] [OUT] pointer which receives imagelist handles
288 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
289 { TRACE("(%p,%p)\n",lpBigList,lpSmallList);
291 { *lpBigList = ShellBigIconList;
294 { *lpSmallList = ShellSmallIconList;
299 /*************************************************************************
300 * PidlToSicIndex [INTERNAL]
303 * sh [IN] IShellFolder
307 * pIndex [OUT] index within the SIC
310 BOOL PidlToSicIndex (
318 WCHAR szIconFile[MAX_PATH]; /* file containing the icon */
319 INT iSourceIndex; /* index or resID(negated) in this file */
323 TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
325 if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
327 if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
329 *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
332 IExtractIconW_Release(ei);
335 if (INVALID_INDEX == *pIndex) /* default icon when failed */
342 /*************************************************************************
343 * SHMapPIDLToSystemImageListIndex [SHELL32.77]
346 * sh [IN] pointer to an instance of IShellFolder
348 * pIndex [OUT][OPTIONAL] SIC index for big icon
351 int WINAPI SHMapPIDLToSystemImageListIndex(
358 TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
362 PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
363 PidlToSicIndex ( sh, pidl, 0, 0, &Index);
367 /*************************************************************************
368 * Shell_GetCachedImageIndex [SHELL32.72]
371 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
376 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
378 len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
379 szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
380 MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
382 ret = SIC_GetIconIndex( szTemp, nIndex );
384 HeapFree( GetProcessHeap(), 0, szTemp );
389 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
391 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
393 return SIC_GetIconIndex(szPath, nIndex);
396 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
397 { if( SHELL_OsIsUnicode())
398 return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
399 return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
402 /*************************************************************************
403 * ExtractIconEx [SHELL32.@]
405 UINT WINAPI ExtractIconExAW(LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
406 { if (SHELL_OsIsUnicode())
407 return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
408 return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
411 /*************************************************************************
412 * ExtractIconExW [SHELL32.@]
415 * -1 file is not valid
416 * or number of icons extracted
418 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
420 TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
422 return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
425 /*************************************************************************
426 * ExtractIconExA [SHELL32.@]
428 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
431 INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
432 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
434 TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
436 MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
437 ret = ExtractIconExW (lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
438 HeapFree(GetProcessHeap(), 0, lpwstrFile);
442 /*************************************************************************
443 * ExtractAssociatedIconA (SHELL32.@)
445 * Return icon for given file (either from file itself or from associated
446 * executable) and patch parameters if needed.
448 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
456 lpiIcon = &wDummyIcon;
458 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
460 if( hIcon < (HICON)2 )
461 { if( hIcon == (HICON)1 ) /* no icons found in given file */
462 { char tempPath[0x80];
463 HINSTANCE uRet = FindExecutableA(lpIconPath,NULL,tempPath);
465 if( uRet > (HINSTANCE)32 && tempPath[0] )
466 { strcpy(lpIconPath,tempPath);
467 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
468 if( hIcon > (HICON)2 )
474 if( hIcon == (HICON)1 )
475 *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
477 *lpiIcon = 6; /* generic icon - found nothing */
479 if (GetModuleFileNameA(hInst, lpIconPath, 0x80))
481 /* terminate string (GetModuleFileName doesn't do if buffer is too small) */
482 lpIconPath[0x80 - 1] = '\0';
483 hIcon = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
489 /*************************************************************************
490 * ExtractAssociatedIconExW (SHELL32.@)
492 * Return icon for given file (either from file itself or from associated
493 * executable) and patch parameters if needed.
495 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
497 FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
501 /*************************************************************************
502 * ExtractAssociatedIconExA (SHELL32.@)
504 * Return icon for given file (either from file itself or from associated
505 * executable) and patch parameters if needed.
507 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
510 INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
511 LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
513 TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
515 MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
516 ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
517 HeapFree(GetProcessHeap(), 0, lpwstrFile);
522 /****************************************************************************
523 * SHDefExtractIconW [SHELL32.@]
525 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
526 HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
530 WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
532 ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
533 /* FIXME: deal with uFlags parameter which contains GIL_ flags */
534 if (ret == 0xFFFFFFFF)
537 *phiconLarge = hIcons[0];
538 *phiconSmall = hIcons[1];
544 /****************************************************************************
545 * SHDefExtractIconA [SHELL32.@]
547 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
548 HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
551 INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
552 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
554 TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
556 MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
557 ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
558 HeapFree(GetProcessHeap(), 0, lpwstrFile);