source: trunk/src/shell32/iconcache.cpp@ 1330

Last change on this file since 1330 was 1215, checked in by sandervl, 26 years ago

Added $Id$
File size: 26.1 KB
Line 
1/* $Id: iconcache.cpp,v 1.2 1999-10-09 11:17:00 sandervl Exp $ */
2/*
3 * shell icon cache (SIC)
4 *
5 */
6#include <string.h>
7#include <odin.h>
8
9#define ICOM_CINTERFACE 1
10#define CINTERFACE 1
11
12#include "winbase.h"
13#include "winuser.h"
14#include "wingdi.h"
15//#include "wine/winuser16.h"
16//#include "wine/winbase16.h"
17//#include "neexe.h"
18#include "cursoricon.h"
19#include "module.h"
20#include "heap.h"
21#include "debugtools.h"
22#include "winversion.h"
23
24#include "shellapi.h"
25#include "pidl.h"
26#include "shell32_main.h"
27
28#include <heapstring.h>
29#include <misc.h>
30
31DEFAULT_DEBUG_CHANNEL(shell)
32
33#include "pshpack1.h"
34
35typedef struct
36{
37 BYTE bWidth; /* Width, in pixels, of the image */
38 BYTE bHeight; /* Height, in pixels, of the image */
39 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
40 BYTE bReserved; /* Reserved ( must be 0) */
41 WORD wPlanes; /* Color Planes */
42 WORD wBitCount; /* Bits per pixel */
43 DWORD dwBytesInRes; /* How many bytes in this resource? */
44 DWORD dwImageOffset; /* Where in the file is this image? */
45} icoICONDIRENTRY, *LPicoICONDIRENTRY;
46
47typedef struct
48{
49 WORD idReserved; /* Reserved (must be 0) */
50 WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */
51 WORD idCount; /* How many images */
52 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
53} icoICONDIR, *LPicoICONDIR;
54
55#include "poppack.h"
56
57#if 0
58static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
59{
60 TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
61 TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
62 TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
63 entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
64}
65static void dumpIcoDir ( LPicoICONDIR entry )
66{
67 TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
68}
69#endif
70
71
72HDPA sic_hdpa = 0;
73static CRITICAL_SECTION SHELL32_SicCS;
74
75
76
77/*************************************************************************
78 * SHELL_GetResourceTable
79 */
80static DWORD SHELL_GetResourceTable(HFILE hFile, LPBYTE *retptr)
81{ IMAGE_DOS_HEADER mz_header;
82 char magic[4];
83 int size;
84
85 TRACE("0x%08x %p\n", hFile, retptr);
86
87 *retptr = NULL;
88 _llseek( hFile, 0, SEEK_SET );
89 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
90 { if (mz_header.e_cblp == 1) /* .ICO file ? */
91 { *retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */
92 return 1;
93 }
94 else
95 return 0; /* failed */
96 }
97 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
98
99 if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
100 return 0;
101
102 _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
103
104 if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
105 return IMAGE_NT_SIGNATURE;
106
107 if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
108 { IMAGE_OS2_HEADER ne_header;
109 LPBYTE pTypeInfo = (LPBYTE)-1;
110
111 if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
112 return 0;
113
114 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
115 return 0;
116
117 size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
118
119//@@@PH no NE support
120#if 0
121 if( size > sizeof(NE_TYPEINFO) )
122 { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
123 if( pTypeInfo )
124 { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
125 if( _lread( hFile, (char*)pTypeInfo, size) != size )
126 { HeapFree( GetProcessHeap(), 0, pTypeInfo);
127 pTypeInfo = NULL;
128 }
129 }
130 }
131#endif
132
133 *retptr = pTypeInfo;
134 return IMAGE_OS2_SIGNATURE;
135 }
136 return 0; /* failed */
137}
138/*************************************************************************
139 * SHELL_LoadResource
140 */
141//@@@PH no NE support
142#if 0
143static BYTE * SHELL_LoadResource( HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
144{ BYTE* ptr;
145
146 TRACE("0x%08x %p 0x%08x\n", hFile, pNInfo, sizeShift);
147
148 *uSize = (DWORD)pNInfo->length << sizeShift;
149 if( (ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
150 { _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
151 _lread( hFile, (char*)ptr, pNInfo->length << sizeShift);
152 return ptr;
153 }
154 return 0;
155}
156#endif
157
158/*************************************************************************
159 * ICO_LoadIcon
160 */
161static BYTE * ICO_LoadIcon( HFILE hFile, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
162{ BYTE* ptr;
163
164 TRACE("0x%08x %p\n", hFile, lpiIDE);
165
166 *uSize = lpiIDE->dwBytesInRes;
167 if( (ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize)) )
168 { _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
169 _lread( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
170 return ptr;
171 }
172
173 return 0;
174}
175
176/*************************************************************************
177 * ICO_GetIconDirectory
178 *
179 * Reads .ico file and build phony ICONDIR struct
180 * see http://www.microsoft.com/win32dev/ui/icons.htm
181 */
182#define HEADER_SIZE (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
183#define HEADER_SIZE_FILE (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
184
185static BYTE * ICO_GetIconDirectory( HFILE hFile, LPicoICONDIR* lplpiID, ULONG *uSize )
186{ CURSORICONDIR lpcid; /* icon resource in resource-dir format */
187 LPicoICONDIR lpiID; /* icon resource in file format */
188 int i;
189
190 TRACE("0x%08x %p\n", hFile, lplpiID);
191
192 _llseek( hFile, 0, SEEK_SET );
193 if( _lread(hFile,(char*)&lpcid, HEADER_SIZE_FILE) != HEADER_SIZE_FILE )
194 return 0;
195
196 if( lpcid.idReserved || (lpcid.idType != 1) || (!lpcid.idCount) )
197 return 0;
198
199 i = lpcid.idCount * sizeof(icoICONDIRENTRY);
200 lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, HEADER_SIZE_FILE + i);
201
202 if( _lread(hFile,(char*)lpiID->idEntries,i) == i )
203 { CURSORICONDIR * lpID; /* icon resource in resource format */
204 *uSize = lpcid.idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
205 if( (lpID = (CURSORICONDIR*)HeapAlloc(GetProcessHeap(),0, *uSize) ))
206 {
207 /* copy the header */
208 lpID->idReserved = lpiID->idReserved = 0;
209 lpID->idType = lpiID->idType = 1;
210 lpID->idCount = lpiID->idCount = lpcid.idCount;
211
212 /* copy the entrys */
213 for( i=0; i < lpiID->idCount; i++ )
214 { memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpiID->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
215 lpID->idEntries[i].wResId = i;
216 }
217
218 *lplpiID = lpiID;
219 return (BYTE *)lpID;
220 }
221 }
222 /* fail */
223
224 HeapFree( GetProcessHeap(), 0, lpiID);
225 return 0;
226}
227
228/*************************************************************************
229 * InternalExtractIcon [SHELL.39]
230 *
231 * This abortion is called directly by Progman
232 * fixme: the icon section is broken (don't have a handle for
233 * ICO_GetIconDirectory....)
234 *
235 */
236#define ICO_INVALID_FILE 1
237#define ICO_NO_ICONS 0
238
239HGLOBAL WINAPI ICO_ExtractIconEx(LPCSTR lpszExeFileName, HICON * RetPtr, UINT nIconIndex, UINT n, UINT cxDesired, UINT cyDesired )
240{
241 dprintf (("SHELL32: ICO_ExtractIconEx not implemented.\n"));
242 return 0;
243}
244
245// @@@PH turned off
246#if 0
247{ HGLOBAL hRet = ICO_NO_ICONS;
248 LPBYTE pData;
249 OFSTRUCT ofs;
250 DWORD sig;
251 HFILE hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
252 UINT16 iconDirCount = 0,iconCount = 0;
253 LPBYTE peimage;
254 HANDLE fmapping;
255 ULONG uSize;
256
257 TRACE("(file %s,start %d,extract %d\n", lpszExeFileName, nIconIndex, n);
258
259 if( hFile == HFILE_ERROR || !n )
260 return ICO_INVALID_FILE;
261
262 sig = SHELL_GetResourceTable(hFile,&pData);
263
264//@@@PH no NE support
265#if 0
266/* ico file */
267 if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
268 { BYTE *pCIDir = 0;
269 NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2);
270 NE_NAMEINFO *pIconStorage = NULL;
271 NE_NAMEINFO *pIconDir = NULL;
272 LPicoICONDIR lpiID = NULL;
273
274 TRACE("-- OS2/icon Signature (0x%08lx)\n", sig);
275
276 if( pData == (BYTE*)-1 )
277 { pCIDir = ICO_GetIconDirectory(hFile, &lpiID, &uSize); /* check for .ICO file */
278 if( pCIDir )
279 { iconDirCount = 1; iconCount = lpiID->idCount;
280 TRACE("-- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
281 }
282 }
283 else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
284 { if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON ) /* find icon directory and icon repository */
285 { iconDirCount = pTInfo->count;
286 pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
287 TRACE("\tfound directory - %i icon families\n", iconDirCount);
288 }
289 if( pTInfo->type_id == NE_RSCTYPE_ICON )
290 { iconCount = pTInfo->count;
291 pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
292 TRACE("\ttotal icons - %i\n", iconCount);
293 }
294 pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
295 }
296
297 if( (pIconStorage && pIconDir) || lpiID ) /* load resources and create icons */
298 { if( nIconIndex == (UINT16)-1 )
299 { RetPtr[0] = iconDirCount;
300 }
301 else if( nIconIndex < iconDirCount )
302 { UINT16 i, icon;
303 if( n > iconDirCount - nIconIndex )
304 n = iconDirCount - nIconIndex;
305
306 for( i = nIconIndex; i < nIconIndex + n; i++ )
307 { /* .ICO files have only one icon directory */
308
309 if( lpiID == NULL ) /* *.ico */
310 pCIDir = SHELL_LoadResource( hFile, pIconDir + i, *(WORD*)pData, &uSize );
311 RetPtr[i-nIconIndex] = pLookupIconIdFromDirectoryEx( pCIDir, TRUE, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0);
312 HeapFree(GetProcessHeap(), 0, pCIDir);
313 }
314
315 for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
316 { pCIDir = NULL;
317 if( lpiID )
318 { pCIDir = ICO_LoadIcon( hFile, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
319 }
320 else
321 { for( i = 0; i < iconCount; i++ )
322 { if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
323 { pCIDir = SHELL_LoadResource( hFile, pIconStorage + i,*(WORD*)pData, &uSize );
324 }
325 }
326 }
327 if( pCIDir )
328 { RetPtr[icon-nIconIndex] = (HICON) pCreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
329 }
330 else
331 { RetPtr[icon-nIconIndex] = 0;
332 }
333 }
334 }
335 }
336 if( lpiID )
337 HeapFree( GetProcessHeap(), 0, lpiID);
338 else
339 HeapFree( GetProcessHeap(), 0, pData);
340 }
341/* end ico file */
342#endif
343
344/* exe/dll */
345 if( sig == IMAGE_NT_SIGNATURE)
346 { LPBYTE idata,igdata;
347 PIMAGE_DOS_HEADER dheader;
348 PIMAGE_NT_HEADERS pe_header;
349 PIMAGE_SECTION_HEADER pe_sections;
350 PIMAGE_RESOURCE_DIRECTORY rootresdir,iconresdir,icongroupresdir;
351 PIMAGE_RESOURCE_DATA_ENTRY idataent,igdataent;
352 PIMAGE_RESOURCE_DIRECTORY_ENTRY xresent;
353 int i,j;
354
355 if ( !(fmapping = CreateFileMappingA(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL)))
356 { WARN("failed to create filemap.\n"); /* FIXME, INVALID_HANDLE_VALUE? */
357 hRet = ICO_INVALID_FILE;
358 goto end_2; /* failure */
359 }
360
361 if ( !(peimage = (BYTE*)MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
362 { WARN("failed to mmap filemap.\n");
363 hRet = ICO_INVALID_FILE;
364 goto end_2; /* failure */
365 }
366
367 dheader = (PIMAGE_DOS_HEADER)peimage;
368 pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew); /* it is a pe header, SHELL_GetResourceTable checked that */
369 pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); /* probably makes problems with short PE headers...*/
370 rootresdir = NULL;
371
372 for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
373 { if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
374 continue;
375 /* FIXME: doesn't work when the resources are not in a seperate section */
376 if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
377 { rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData);
378 break;
379 }
380 }
381
382 if (!rootresdir)
383 { WARN("haven't found section for resource directory.\n");
384 goto end_4; /* failure */
385 }
386 /* search the group icon dir*/
387 if (!(icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICONW, (DWORD)rootresdir,FALSE)))
388 { WARN("No Icongroupresourcedirectory!\n");
389 goto end_4; /* failure */
390 }
391 iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries;
392
393 /* number of icons requested */
394 if( nIconIndex == -1 )
395 { hRet = iconDirCount;
396 goto end_3; /* success */
397 }
398
399 if (nIconIndex >= iconDirCount)
400 { WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
401 goto end_4; /* failure */
402 }
403
404 xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1); /* caller just wanted the number of entries */
405
406 if( n > iconDirCount - nIconIndex ) /* assure we don't get too much ... */
407 { n = iconDirCount - nIconIndex;
408 }
409
410 xresent = xresent+nIconIndex; /* starting from specified index ... */
411
412 for (i=0;i<n;i++,xresent++)
413 { PIMAGE_RESOURCE_DIRECTORY resdir;
414
415 /* go down this resource entry, name */
416 resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
417
418 /* default language (0) */
419 resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
420 igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
421
422 /* lookup address in mapped image for virtual address */
423 igdata = NULL;
424
425 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
426 { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
427 continue;
428 if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
429 continue;
430 igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
431 }
432
433 if (!igdata)
434 { WARN("no matching real address for icongroup!\n");
435 goto end_4; /* failure */
436 }
437 RetPtr[i] = (HICON)pLookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
438 }
439
440 if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,(DWORD)rootresdir,FALSE)))
441 { WARN("No Iconresourcedirectory!\n");
442 goto end_4; /* failure */
443 }
444
445 for (i=0;i<n;i++)
446 { PIMAGE_RESOURCE_DIRECTORY xresdir;
447 xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
448 xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
449 idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
450 idata = NULL;
451
452 /* map virtual to address in image */
453 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
454 { if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
455 continue;
456 if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
457 continue;
458 idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
459 }
460 if (!idata)
461 { WARN("no matching real address found for icondata!\n");
462 RetPtr[i]=0;
463 continue;
464 }
465 RetPtr[i] = (HICON) pCreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
466 }
467 hRet = RetPtr[0]; /* return first icon */
468 goto end_3; /* sucess */
469 }
470 hRet = ICO_INVALID_FILE;
471 goto end_1; /* unknown filetype */
472
473/* cleaning up (try & catch would be nicer:-) ) */
474end_4: hRet = 0; /* failure */
475end_3: UnmapViewOfFile(peimage); /* success */
476end_2: CloseHandle(fmapping);
477end_1: _lclose( hFile);
478 return hRet;
479}
480#endif
481
482/********************** THE ICON CACHE ********************************/
483
484#define INVALID_INDEX -1
485
486typedef struct
487{ LPCSTR sSourceFile; /* file (not path!) containing the icon */
488 DWORD dwSourceIndex; /* index within the file, if it is a resoure ID it will be negated */
489 DWORD dwListIndex; /* index within the iconlist */
490 DWORD dwFlags; /* GIL_* flags */
491 DWORD dwAccessTime;
492} SIC_ENTRY, * LPSIC_ENTRY;
493
494/*****************************************************************************
495 * SIC_CompareEntrys [called by comctl32.dll]
496 *
497 * NOTES
498 * Callback for DPA_Search
499 */
500INT CALLBACK SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
501{ TRACE("%p %p\n", p1, p2);
502
503 if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
504 return 1;
505
506 if (strcmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
507 return 1;
508
509 return 0;
510}
511/*****************************************************************************
512 * SIC_IconAppend [internal]
513 *
514 * NOTES
515 * appends a icon pair to the end of the cache
516 */
517static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
518{ LPSIC_ENTRY lpsice;
519 INT ret, index, index1;
520
521 TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
522
523 lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
524
525 lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(), 0, PathFindFilenameA(sSourceFile));
526 lpsice->dwSourceIndex = dwSourceIndex;
527
528 EnterCriticalSection(&SHELL32_SicCS);
529
530 index = pDPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
531 if ( INVALID_INDEX == index )
532 {
533 SHFree(lpsice);
534 ret = INVALID_INDEX;
535 }
536 else
537 {
538 index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
539 index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
540
541 if (index!=index1)
542 {
543 FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
544 }
545 lpsice->dwListIndex = index;
546 ret = lpsice->dwListIndex;
547 }
548
549 LeaveCriticalSection(&SHELL32_SicCS);
550 return ret;
551}
552/****************************************************************************
553 * SIC_LoadIcon [internal]
554 *
555 * NOTES
556 * gets small/big icon by number from a file
557 */
558static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
559{ HICON hiconLarge=0;
560 HICON hiconSmall=0;
561
562 ICO_ExtractIconEx(sSourceFile, &hiconLarge, dwSourceIndex, 1, 32, 32 );
563 ICO_ExtractIconEx(sSourceFile, &hiconSmall, dwSourceIndex, 1, 16, 16 );
564
565
566 if ( !hiconLarge || !hiconSmall)
567 {
568 WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
569 return -1;
570 }
571 return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
572}
573/*****************************************************************************
574 * SIC_GetIconIndex [internal]
575 *
576 * Parameters
577 * sSourceFile [IN] filename of file containing the icon
578 * index [IN] index/resID (negated) in this file
579 *
580 * NOTES
581 * look in the cache for a proper icon. if not available the icon is taken
582 * from the file and cached
583 */
584INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
585{ SIC_ENTRY sice;
586 INT ret, index = INVALID_INDEX;
587
588 TRACE("%s %i\n", sSourceFile, dwSourceIndex);
589
590 sice.sSourceFile = PathFindFilenameA(sSourceFile);
591 sice.dwSourceIndex = dwSourceIndex;
592
593 EnterCriticalSection(&SHELL32_SicCS);
594
595 if (NULL != pDPA_GetPtr (sic_hdpa, 0))
596 {
597 index = pDPA_Search (sic_hdpa, &sice, -1L, (PFNDPACOMPARE)SIC_CompareEntrys, 0, 0);
598 }
599
600 if ( INVALID_INDEX == index )
601 {
602 ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
603 }
604 else
605 {
606 TRACE("-- found\n");
607 ret = ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
608 }
609
610 LeaveCriticalSection(&SHELL32_SicCS);
611 return ret;
612}
613/****************************************************************************
614 * SIC_LoadIcon [internal]
615 *
616 * NOTES
617 * retrives the specified icon from the iconcache. if not found try's to load the icon
618 */
619static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
620{ INT index;
621
622 TRACE("%s %i\n", sSourceFile, dwSourceIndex);
623
624 index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
625
626 if (INVALID_INDEX == index)
627 {
628 return INVALID_INDEX;
629 }
630
631 if (bSmallIcon)
632 return pImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
633 return pImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
634
635}
636/*****************************************************************************
637 * SIC_Initialize [internal]
638 *
639 * NOTES
640 * hack to load the resources from the shell32.dll under a different dll name
641 * will be removed when the resource-compiler is ready
642 */
643BOOL SIC_Initialize(void)
644{
645 HICON hSm, hLg;
646 UINT index;
647
648 TRACE("\n");
649
650 if (sic_hdpa) /* already initialized?*/
651 return TRUE;
652
653 InitializeCriticalSection(&SHELL32_SicCS);
654
655 sic_hdpa = pDPA_Create(16);
656
657 if (!sic_hdpa)
658 {
659 return(FALSE);
660 }
661
662 ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
663 ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
664
665 pImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
666 pImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
667
668 for (index=1; index<39; index++)
669 {
670 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
671 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
672
673 if(!hSm)
674 {
675 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
676 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
677 }
678 SIC_IconAppend ("shell32.dll", index, hSm, hLg);
679 }
680
681 TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
682
683 return TRUE;
684}
685/*************************************************************************
686 * SIC_Destroy
687 *
688 * frees the cache
689 */
690void SIC_Destroy(void)
691{
692 LPSIC_ENTRY lpsice;
693 int i;
694
695 TRACE("\n");
696
697 EnterCriticalSection(&SHELL32_SicCS);
698
699 if (sic_hdpa && NULL != pDPA_GetPtr (sic_hdpa, 0))
700 {
701 for (i=0; i < pDPA_GetPtrCount(sic_hdpa); ++i)
702 {
703 lpsice = (LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, i);
704 SHFree(lpsice);
705 }
706 pDPA_Destroy(sic_hdpa);
707 }
708
709 sic_hdpa = NULL;
710
711 LeaveCriticalSection(&SHELL32_SicCS);
712}
713/*************************************************************************
714 * Shell_GetImageList [SHELL32.71]
715 *
716 * PARAMETERS
717 * imglist[1|2] [OUT] pointer which recive imagelist handles
718 *
719 */
720BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
721{ TRACE("(%p,%p)\n",lpBigList,lpSmallList);
722 if (lpBigList)
723 { *lpBigList = ShellBigIconList;
724 }
725 if (lpSmallList)
726 { *lpSmallList = ShellSmallIconList;
727 }
728
729 return TRUE;
730}
731/*************************************************************************
732 * PidlToSicIndex [INTERNAL]
733 *
734 * PARAMETERS
735 * sh [IN] IShellFolder
736 * pidl [IN]
737 * bBigIcon [IN]
738 * pIndex [OUT] index within the SIC
739 *
740 */
741BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT * pIndex)
742{
743 IExtractIcon *ei;
744 char szIconFile[MAX_PATH]; /* file containing the icon */
745 INT iSourceIndex; /* index or resID(negated) in this file */
746 BOOL ret = FALSE;
747 UINT dwFlags = 0;
748
749 TRACE("sf=%p pidl=%p\n", sh, pidl);
750
751 if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconA, 0, (void **)&ei)))
752 {
753 if (NOERROR==IExtractIconA_GetIconLocation(ei, 0, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags))
754 { *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
755 ret = TRUE;
756 }
757 IExtractIconA_Release(ei);
758 }
759
760 if (INVALID_INDEX == *pIndex) /* default icon when failed */
761 *pIndex = 1;
762
763 return ret;
764
765}
766
767/*************************************************************************
768 * SHMapPIDLToSystemImageListIndex [SHELL32.77]
769 *
770 * PARAMETERS
771 * sh [IN] pointer to an instance of IShellFolder
772 * pidl [IN]
773 * pIndex [OUT][OPTIONAL] SIC index for big icon
774 *
775 */
776UINT WINAPI SHMapPIDLToSystemImageListIndex(LPSHELLFOLDER sh, LPITEMIDLIST pidl, UINT * pIndex)
777{
778 UINT Index;
779
780 TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
781 pdump(pidl);
782
783 if (pIndex)
784 PidlToSicIndex ( sh, pidl, 1, pIndex);
785 PidlToSicIndex ( sh, pidl, 0, &Index);
786 return Index;
787}
788
789/*************************************************************************
790 * Shell_GetCachedImageIndex [SHELL32.72]
791 *
792 */
793INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
794{
795 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
796 return SIC_GetIconIndex(szPath, nIndex);
797}
798
799INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
800{ INT ret;
801 LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
802
803 WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
804
805 ret = SIC_GetIconIndex(sTemp, nIndex);
806 HeapFree(GetProcessHeap(),0,sTemp);
807 return ret;
808}
809
810INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
811{ if( VERSION_OsIsUnicode())
812 return Shell_GetCachedImageIndexW((LPWSTR)szPath, nIndex, bSimulateDoc);
813 return Shell_GetCachedImageIndexA((LPSTR)szPath, nIndex, bSimulateDoc);
814}
815
816/*************************************************************************
817 * ExtracticonExAW [shell32.189]
818 */
819HICON WINAPI ExtractIconExAW ( LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
820{ if (VERSION_OsIsUnicode())
821 return ExtractIconExW ( (LPWSTR)lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
822 return ExtractIconExA ( (LPSTR)lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
823}
824/*************************************************************************
825 * ExtracticonExA [shell32.190]
826 * RETURNS
827 * 0 no icon found
828 * 1 file is not valid
829 * HICON handle of a icon (phiconLarge/Small == NULL)
830 */
831HICON WINAPI ExtractIconExA ( LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
832{ HICON ret=0;
833
834 TRACE("file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
835
836 if (nIconIndex==-1) /* Number of icons requested */
837 return ICO_ExtractIconEx(lpszFile, NULL, -1, 0, 0, 0 );
838
839
840 if (phiconLarge)
841 { ret = ICO_ExtractIconEx(lpszFile, phiconLarge, nIconIndex, nIcons, 32, 32 );
842 if ( nIcons==1)
843 { ret = phiconLarge[0];
844 }
845 }
846
847 /* if no pointers given and one icon expected, return the handle directly*/
848 if (!phiconLarge && ! phiconSmall && nIcons==1 )
849 phiconSmall = &ret;
850
851 if (phiconSmall)
852 { ret = ICO_ExtractIconEx(lpszFile, phiconSmall, nIconIndex, nIcons, 16, 16 );
853 if ( nIcons==1 )
854 { ret = phiconSmall[0];
855 }
856 }
857
858 return ret;
859}
860/*************************************************************************
861 * ExtracticonExW [shell32.191]
862 */
863HICON WINAPI ExtractIconExW ( LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
864{ LPSTR sFile;
865 DWORD ret;
866
867 TRACE("file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
868
869 sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
870 ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
871 HeapFree(GetProcessHeap(),0,sFile);
872 return ret;
873}
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