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
24 #include <sys/types.h>
33 #include "wine/winuser16.h"
34 #include "wine/winbase16.h"
36 #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 LPSTR 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;
61 static CRITICAL_SECTION SHELL32_SicCS = CRITICAL_SECTION_INIT("SHELL32_SicCS");
63 /*****************************************************************************
67 * Callback for DPA_Search
69 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
70 { TRACE("%p %p %8lx\n", p1, p2, lparam);
72 if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
75 if (strcasecmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
80 /*****************************************************************************
81 * SIC_IconAppend [internal]
84 * appends a icon pair to the end of the cache
86 static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
88 INT ret, index, index1;
90 TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
92 lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
94 path = PathFindFileNameA(sSourceFile);
95 lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, strlen(path)+1 );
96 strcpy( lpsice->sSourceFile, path );
98 lpsice->dwSourceIndex = dwSourceIndex;
100 EnterCriticalSection(&SHELL32_SicCS);
102 index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
103 if ( INVALID_INDEX == index )
110 index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
111 index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
115 FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
117 lpsice->dwListIndex = index;
118 ret = lpsice->dwListIndex;
121 LeaveCriticalSection(&SHELL32_SicCS);
124 /****************************************************************************
125 * SIC_LoadIcon [internal]
128 * gets small/big icon by number from a file
130 static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
131 { HICON hiconLarge=0;
134 PrivateExtractIconsA( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
135 PrivateExtractIconsA( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
137 if ( !hiconLarge || !hiconSmall)
139 WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
142 return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
144 /*****************************************************************************
145 * SIC_GetIconIndex [internal]
148 * sSourceFile [IN] filename of file containing the icon
149 * index [IN] index/resID (negated) in this file
152 * look in the cache for a proper icon. if not available the icon is taken
153 * from the file and cached
155 INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
157 INT ret, index = INVALID_INDEX;
159 TRACE("%s %i\n", sSourceFile, dwSourceIndex);
161 sice.sSourceFile = PathFindFileNameA(sSourceFile);
162 sice.dwSourceIndex = dwSourceIndex;
164 EnterCriticalSection(&SHELL32_SicCS);
166 if (NULL != DPA_GetPtr (sic_hdpa, 0))
168 /* search linear from position 0*/
169 index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
172 if ( INVALID_INDEX == index )
174 ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
179 ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
182 LeaveCriticalSection(&SHELL32_SicCS);
185 /****************************************************************************
186 * SIC_GetIcon [internal]
189 * retrieves the specified icon from the iconcache. if not found tries to load the icon
191 static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
194 TRACE("%s %i\n", sSourceFile, dwSourceIndex);
196 index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
198 if (INVALID_INDEX == index)
200 return INVALID_INDEX;
204 return ImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
205 return ImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
208 /*****************************************************************************
209 * SIC_Initialize [internal]
212 * hack to load the resources from the shell32.dll under a different dll name
213 * will be removed when the resource-compiler is ready
215 BOOL SIC_Initialize(void)
222 if (sic_hdpa) /* already initialized?*/
225 sic_hdpa = DPA_Create(16);
232 ShellSmallIconList = ImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
233 ShellBigIconList = ImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
235 ImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
236 ImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
238 for (index=1; index<39; index++)
240 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
241 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
245 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
246 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
248 SIC_IconAppend ("shell32.dll", index, hSm, hLg);
251 TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
255 /*************************************************************************
260 void SIC_Destroy(void)
267 EnterCriticalSection(&SHELL32_SicCS);
269 if (sic_hdpa && NULL != DPA_GetPtr (sic_hdpa, 0))
271 for (i=0; i < DPA_GetPtrCount(sic_hdpa); ++i)
273 lpsice = DPA_GetPtr(sic_hdpa, i);
276 DPA_Destroy(sic_hdpa);
281 LeaveCriticalSection(&SHELL32_SicCS);
282 DeleteCriticalSection(&SHELL32_SicCS);
284 /*************************************************************************
285 * Shell_GetImageList [SHELL32.71]
288 * imglist[1|2] [OUT] pointer which recive 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 char 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_IExtractIconA, 0, (void **)&ei)))
330 if (SUCCEEDED(IExtractIconA_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
332 *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
335 IExtractIconA_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)
376 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
377 return SIC_GetIconIndex(szPath, nIndex);
380 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
382 LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
384 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
386 ret = SIC_GetIconIndex(sTemp, nIndex);
387 HeapFree(GetProcessHeap(),0,sTemp);
391 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
392 { if( SHELL_OsIsUnicode())
393 return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
394 return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
397 /*************************************************************************
398 * ExtractIconEx [SHELL32.@]
400 HICON WINAPI ExtractIconExAW ( LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
401 { if (SHELL_OsIsUnicode())
402 return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
403 return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
405 /*************************************************************************
406 * ExtractIconExA [SHELL32.@]
409 * 1 file is not valid
410 * HICON handle of a icon (phiconLarge/Small == NULL)
412 HICON WINAPI ExtractIconExA ( LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
415 TRACE("file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
417 if (nIconIndex==-1) /* Number of icons requested */
418 return PrivateExtractIconsA( lpszFile, -1, 0, 0, NULL, 0, 0, 0 );
422 ret = PrivateExtractIconsA( lpszFile, nIconIndex, 32, 32, phiconLarge, 0, nIcons, 0 );
424 { ret = phiconLarge[0];
428 /* if no pointers given and one icon expected, return the handle directly*/
429 if (!phiconLarge && !phiconSmall && nIcons==1 )
434 ret = PrivateExtractIconsA( lpszFile, nIconIndex, 16, 16, phiconSmall, 0, nIcons, 0 );
436 { ret = phiconSmall[0];
442 /*************************************************************************
443 * ExtractIconExW [SHELL32.@]
445 HICON WINAPI ExtractIconExW ( LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
449 TRACE("file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
451 sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
452 ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
453 HeapFree(GetProcessHeap(),0,sFile);
457 /*************************************************************************
458 * ExtractAssociatedIconA (SHELL32.@)
460 * Return icon for given file (either from file itself or from associated
461 * executable) and patch parameters if needed.
463 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
465 return ExtractAssociatedIcon16(hInst,lpIconPath,lpiIcon);
468 /*************************************************************************
469 * ExtractAssociatedIconExA (SHELL32.@)
471 * Return icon for given file (either from file itself or from associated
472 * executable) and patch parameters if needed.
474 HICON WINAPI ExtractAssociatedIconExA(DWORD d1, DWORD d2, DWORD d3, DWORD d4)
476 FIXME("(%lx %lx %lx %lx): stub\n", d1, d2, d3, d4);
480 /*************************************************************************
481 * ExtractAssociatedIconExW (SHELL32.@)
483 * Return icon for given file (either from file itself or from associated
484 * executable) and patch parameters if needed.
486 HICON WINAPI ExtractAssociatedIconExW(DWORD d1, DWORD d2, DWORD d3, DWORD d4)
488 FIXME("(%lx %lx %lx %lx): stub\n", d1, d2, d3, d4);