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>
38 #include "wine/debug.h"
44 #include "shell32_main.h"
45 #include "undocshell.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(shell);
50 /********************** THE ICON CACHE ********************************/
52 #define INVALID_INDEX -1
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 */
61 } SIC_ENTRY, * LPSIC_ENTRY;
63 static HDPA sic_hdpa = 0;
65 static CRITICAL_SECTION SHELL32_SicCS;
66 static CRITICAL_SECTION_DEBUG critsect_debug =
69 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
70 0, 0, { 0, (DWORD)(__FILE__ ": SHELL32_SicCS") }
72 static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
74 /*****************************************************************************
78 * Callback for DPA_Search
80 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
81 { TRACE("%p %p %8lx\n", p1, p2, lparam);
83 if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
86 if (strcmpiW(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
91 /*****************************************************************************
92 * SIC_IconAppend [internal]
95 * appends an icon pair to the end of the cache
97 static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
99 INT ret, index, index1;
100 WCHAR path[MAX_PATH];
101 TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
103 lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
105 GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
106 lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
107 strcpyW( lpsice->sSourceFile, path );
109 lpsice->dwSourceIndex = dwSourceIndex;
111 EnterCriticalSection(&SHELL32_SicCS);
113 index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
114 if ( INVALID_INDEX == index )
116 HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
122 index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
123 index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
127 FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
129 lpsice->dwListIndex = index;
130 ret = lpsice->dwListIndex;
133 LeaveCriticalSection(&SHELL32_SicCS);
136 /****************************************************************************
137 * SIC_LoadIcon [internal]
140 * gets small/big icon by number from a file
142 static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex)
143 { HICON hiconLarge=0;
146 PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
147 PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
149 if ( !hiconLarge || !hiconSmall)
151 WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
154 return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
156 /*****************************************************************************
157 * SIC_GetIconIndex [internal]
160 * sSourceFile [IN] filename of file containing the icon
161 * index [IN] index/resID (negated) in this file
164 * look in the cache for a proper icon. if not available the icon is taken
165 * from the file and cached
167 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex )
170 INT ret, index = INVALID_INDEX;
171 WCHAR path[MAX_PATH];
173 TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
175 GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
176 sice.sSourceFile = path;
177 sice.dwSourceIndex = dwSourceIndex;
179 EnterCriticalSection(&SHELL32_SicCS);
181 if (NULL != DPA_GetPtr (sic_hdpa, 0))
183 /* search linear from position 0*/
184 index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
187 if ( INVALID_INDEX == index )
189 ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
194 ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
197 LeaveCriticalSection(&SHELL32_SicCS);
200 /*****************************************************************************
201 * SIC_Initialize [internal]
204 * hack to load the resources from the shell32.dll under a different dll name
205 * will be removed when the resource-compiler is ready
207 BOOL SIC_Initialize(void)
211 int cx_small, cy_small;
212 int cx_large, cy_large;
214 cx_small = GetSystemMetrics(SM_CXSMICON);
215 cy_small = GetSystemMetrics(SM_CYSMICON);
216 cx_large = GetSystemMetrics(SM_CXICON);
217 cy_large = GetSystemMetrics(SM_CYICON);
221 if (sic_hdpa) /* already initialized?*/
224 sic_hdpa = DPA_Create(16);
231 ShellSmallIconList = ImageList_Create(16,16,ILC_COLOR32|ILC_MASK,0,0x20);
232 ShellBigIconList = ImageList_Create(32,32,ILC_COLOR32|ILC_MASK,0,0x20);
234 ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
235 ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
237 for (index=1; index<39; index++)
239 hSm = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
240 hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
244 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
245 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
247 SIC_IconAppend (swShell32Name, index, hSm, hLg);
250 TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
254 /*************************************************************************
259 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
261 HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
266 void SIC_Destroy(void)
270 EnterCriticalSection(&SHELL32_SicCS);
272 if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
275 ImageList_Destroy(ShellSmallIconList);
276 ShellSmallIconList = 0;
277 ImageList_Destroy(ShellBigIconList);
278 ShellBigIconList = 0;
280 LeaveCriticalSection(&SHELL32_SicCS);
281 DeleteCriticalSection(&SHELL32_SicCS);
284 /*************************************************************************
285 * Shell_GetImageList [SHELL32.71]
288 * imglist[1|2] [OUT] pointer which receives imagelist handles
291 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
292 { TRACE("(%p,%p)\n",lpBigList,lpSmallList);
294 { *lpBigList = ShellBigIconList;
297 { *lpSmallList = ShellSmallIconList;
302 /*************************************************************************
303 * PidlToSicIndex [INTERNAL]
306 * sh [IN] IShellFolder
310 * pIndex [OUT] index within the SIC
313 BOOL PidlToSicIndex (
321 WCHAR szIconFile[MAX_PATH]; /* file containing the icon */
322 INT iSourceIndex; /* index or resID(negated) in this file */
326 TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
328 if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
330 if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
332 *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
335 IExtractIconW_Release(ei);
338 if (INVALID_INDEX == *pIndex) /* default icon when failed */
345 /*************************************************************************
346 * SHMapPIDLToSystemImageListIndex [SHELL32.77]
349 * sh [IN] pointer to an instance of IShellFolder
351 * pIndex [OUT][OPTIONAL] SIC index for big icon
354 int WINAPI SHMapPIDLToSystemImageListIndex(
361 TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
365 PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
366 PidlToSicIndex ( sh, pidl, 0, 0, &Index);
370 /*************************************************************************
371 * Shell_GetCachedImageIndex [SHELL32.72]
374 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
379 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
381 len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
382 szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
383 MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
385 ret = SIC_GetIconIndex( szTemp, nIndex );
387 HeapFree( GetProcessHeap(), 0, szTemp );
392 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
394 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
396 return SIC_GetIconIndex(szPath, nIndex);
399 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
400 { if( SHELL_OsIsUnicode())
401 return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
402 return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
405 /*************************************************************************
406 * ExtractIconEx [SHELL32.@]
408 UINT WINAPI ExtractIconExAW(LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
409 { if (SHELL_OsIsUnicode())
410 return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
411 return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
414 /*************************************************************************
415 * ExtractIconExW [SHELL32.@]
418 * -1 file is not valid
419 * or number of icons extracted
421 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
423 TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
425 return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
428 /*************************************************************************
429 * ExtractIconExA [SHELL32.@]
431 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
434 INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
435 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
437 TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
439 MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
440 ret = ExtractIconExW (lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
441 HeapFree(GetProcessHeap(), 0, lpwstrFile);
445 /*************************************************************************
446 * ExtractAssociatedIconA (SHELL32.@)
448 * Return icon for given file (either from file itself or from associated
449 * executable) and patch parameters if needed.
451 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
459 lpiIcon = &wDummyIcon;
461 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
463 if( hIcon < (HICON)2 )
464 { if( hIcon == (HICON)1 ) /* no icons found in given file */
465 { char tempPath[0x80];
466 HINSTANCE uRet = FindExecutableA(lpIconPath,NULL,tempPath);
468 if( uRet > (HINSTANCE)32 && tempPath[0] )
469 { strcpy(lpIconPath,tempPath);
470 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
471 if( hIcon > (HICON)2 )
477 if( hIcon == (HICON)1 )
478 *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
480 *lpiIcon = 6; /* generic icon - found nothing */
482 if (GetModuleFileNameA(hInst, lpIconPath, 0x80))
484 /* terminate string (GetModuleFileName doesn't do if buffer is too small) */
485 lpIconPath[0x80 - 1] = '\0';
486 hIcon = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
492 /*************************************************************************
493 * ExtractAssociatedIconExW (SHELL32.@)
495 * Return icon for given file (either from file itself or from associated
496 * executable) and patch parameters if needed.
498 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
500 FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
504 /*************************************************************************
505 * ExtractAssociatedIconExA (SHELL32.@)
507 * Return icon for given file (either from file itself or from associated
508 * executable) and patch parameters if needed.
510 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
513 INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
514 LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
516 TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
518 MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
519 ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
520 HeapFree(GetProcessHeap(), 0, lpwstrFile);
525 /****************************************************************************
526 * SHDefExtractIconW [SHELL32.@]
528 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
529 HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
533 WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
535 ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
536 /* FIXME: deal with uFlags parameter which contains GIL_ flags */
537 if (ret == 0xFFFFFFFF)
540 *phiconLarge = hIcons[0];
541 *phiconSmall = hIcons[1];
547 /****************************************************************************
548 * SHDefExtractIconA [SHELL32.@]
550 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
551 HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
554 INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
555 LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
557 TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
559 MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
560 ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
561 HeapFree(GetProcessHeap(), 0, lpwstrFile);