source: trunk/src/shell32/new/iconcache.cpp@ 1036

Last change on this file since 1036 was 897, checked in by phaller, 26 years ago

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