source: trunk/src/shell32/iconcache.cpp@ 3670

Last change on this file since 3670 was 3551, checked in by sandervl, 25 years ago

removed path functions, added forwarders to shlwapi
File size: 33.7 KB
Line 
1/* $Id: iconcache.cpp,v 1.8 2000-05-18 14:16:02 sandervl Exp $ */
2
3/*
4 * Win32 SHELL32 for OS/2
5 *
6 * Copyright 1999 Patrick Haller (haller@zebra.fh-weingarten.de)
7 * Project Odin Software License can be found in LICENSE.TXT
8 *
9 * shell icon cache (SIC)
10 *
11 * Corel WINE 20000324 level
12 */
13
14
15/*****************************************************************************
16 * Includes *
17 *****************************************************************************/
18
19#include <string.h>
20#include <odin.h>
21#include <odinwrap.h>
22#include <os2sel.h>
23
24#define ICOM_CINTERFACE 1
25#define CINTERFACE 1
26
27#include "winbase.h"
28#include "winuser.h"
29#include "wingdi.h"
30//#include "neexe.h"
31#include "cursoricon.h"
32#include "module.h"
33#include "heap.h"
34#include "debugtools.h"
35#include "winversion.h"
36
37#include "shellapi.h"
38#include "pidl.h"
39#include "shell32_main.h"
40
41#include <heapstring.h>
42#include <misc.h>
43
44
45ODINDEBUGCHANNEL(SHELL32-ICONCACHE)
46
47#include "pshpack1.h"
48#include "poppack.h"
49
50
51/*****************************************************************************
52 * Structures *
53 *****************************************************************************/
54
55typedef struct
56{
57 BYTE bWidth; /* Width, in pixels, of the image */
58 BYTE bHeight; /* Height, in pixels, of the image */
59 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
60 BYTE bReserved; /* Reserved ( must be 0) */
61 WORD wPlanes; /* Color Planes */
62 WORD wBitCount; /* Bits per pixel */
63 DWORD dwBytesInRes; /* How many bytes in this resource? */
64 DWORD dwImageOffset; /* Where in the file is this image? */
65} icoICONDIRENTRY, *LPicoICONDIRENTRY;
66
67typedef struct
68{
69 WORD idReserved; /* Reserved (must be 0) */
70 WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */
71 WORD idCount; /* How many images */
72 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
73} icoICONDIR, *LPicoICONDIR;
74
75#if 0
76static void dumpIcoDirEnty ( LPICONDIRENTRY entry )
77{
78 dprintf(("SHELL32:Iconcache width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight));
79 dprintf(("SHELL32:Iconcache colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes));
80 dprintf(("SHELL32:Iconcache bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
81 entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset));
82}
83static void dumpIcoDir ( LPICONDIR entry )
84{
85 dprintf(("SHELL32:Iconcache type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount));
86}
87#endif
88
89
90HDPA sic_hdpa = 0;
91static CRITICAL_SECTION SHELL32_SicCS;
92
93
94
95/*************************************************************************
96 * SHELL_GetResourceTable
97 */
98static DWORD SHELL_GetResourceTable(HFILE hFile, LPBYTE *retptr)
99{ IMAGE_DOS_HEADER mz_header;
100 char magic[4];
101 int size;
102
103 dprintf(("SHELL32:Iconcache 0x%08x SHELL_GetResourceTable %p\n", hFile, retptr));
104
105 *retptr = NULL;
106 _llseek( hFile, 0, SEEK_SET );
107 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
108 { if (mz_header.e_cblp == 1) /* .ICO file ? */
109 { *retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */
110 return 1;
111 }
112 else
113 return 0; /* failed */
114 }
115 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
116
117 if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
118 return 0;
119
120 _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
121
122 if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
123 return IMAGE_NT_SIGNATURE;
124
125 if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
126 { IMAGE_OS2_HEADER ne_header;
127 LPBYTE pTypeInfo = (LPBYTE)-1;
128
129 if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
130 return 0;
131
132 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
133 return 0;
134
135 size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
136
137 if( size > sizeof(NE_TYPEINFO) )
138 { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
139 if( pTypeInfo )
140 { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
141 if( _lread( hFile, (char*)pTypeInfo, size) != size )
142 { HeapFree( GetProcessHeap(), 0, pTypeInfo);
143 pTypeInfo = NULL;
144 }
145 }
146 }
147
148 *retptr = pTypeInfo;
149 return IMAGE_OS2_SIGNATURE;
150 }
151 return 0; /* failed */
152}
153/*************************************************************************
154 * SHELL_LoadResource
155 */
156static BYTE * SHELL_LoadResource( HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
157{ BYTE* ptr;
158
159 dprintf(("SHELL32:Iconcache SHELL_LoadResource 0x%08x %p 0x%08x\n", hFile, pNInfo, sizeShift));
160
161 *uSize = (DWORD)pNInfo->length << sizeShift;
162 ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize);
163 if(ptr)
164 { _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
165 _lread( hFile, (char*)ptr, pNInfo->length << sizeShift);
166 return ptr;
167 }
168 return 0;
169}
170
171/*************************************************************************
172 * ICO_LoadIcon
173 */
174static BYTE * ICO_LoadIcon( HFILE hFile, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
175{ BYTE* ptr;
176
177 dprintf(("SHELL32:Iconcache ICO_LoadIcon 0x%08x %p\n", hFile, lpiIDE));
178
179 *uSize = lpiIDE->dwBytesInRes;
180 ptr = (BYTE*)HeapAlloc(GetProcessHeap(),0, *uSize);
181 if(ptr)
182 { _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
183 _lread( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
184 return ptr;
185 }
186
187 return 0;
188}
189
190/*************************************************************************
191 * ICO_GetIconDirectory
192 *
193 * Reads .ico file and build phony ICONDIR struct
194 * see http://www.microsoft.com/win32dev/ui/icons.htm
195 */
196#define HEADER_SIZE (sizeof(CURSORICONDIR) - sizeof (CURSORICONDIRENTRY))
197#define HEADER_SIZE_FILE (sizeof(icoICONDIR) - sizeof (icoICONDIRENTRY))
198
199static BYTE * ICO_GetIconDirectory( HFILE hFile, LPicoICONDIR* lplpiID, ULONG *uSize )
200{ CURSORICONDIR lpcid; /* icon resource in resource-dir format */
201 LPicoICONDIR lpiID; /* icon resource in file format */
202 int i;
203
204 dprintf(("SHELL32:Iconcache ICO_GetIconDirectory 0x%08x %p\n", hFile, lplpiID));
205
206 _llseek( hFile, 0, SEEK_SET );
207 if( _lread(hFile,(char*)&lpcid, HEADER_SIZE_FILE) != HEADER_SIZE_FILE )
208 return 0;
209
210 if( lpcid.idReserved || (lpcid.idType != 1) || (!lpcid.idCount) )
211 return 0;
212
213 i = lpcid.idCount * sizeof(icoICONDIRENTRY);
214 lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, HEADER_SIZE_FILE + i);
215
216 if( _lread(hFile,(char*)lpiID->idEntries,i) == i )
217 { CURSORICONDIR * lpID; /* icon resource in resource format */
218 *uSize = lpcid.idCount * sizeof(CURSORICONDIRENTRY) + HEADER_SIZE;
219 lpID = (CURSORICONDIR*)HeapAlloc(GetProcessHeap(),0, *uSize);
220 if(lpID)
221 {
222 /* copy the header */
223 lpID->idReserved = lpiID->idReserved = 0;
224 lpID->idType = lpiID->idType = 1;
225 lpID->idCount = lpiID->idCount = lpcid.idCount;
226
227 /* copy the entrys */
228 for( i=0; i < lpiID->idCount; i++ )
229 { memcpy((void*)&(lpID->idEntries[i]),(void*)&(lpiID->idEntries[i]), sizeof(CURSORICONDIRENTRY) - 2);
230 lpID->idEntries[i].wResId = i;
231 }
232
233 *lplpiID = lpiID;
234 return (BYTE *)lpID;
235 }
236 }
237 /* fail */
238
239 HeapFree( GetProcessHeap(), 0, lpiID);
240 return 0;
241}
242
243/*************************************************************************
244 * InternalExtractIcon [SHELL.39]
245 *
246 * This abortion is called directly by Progman
247 * fixme: the icon section is broken (don't have a handle for
248 * ICO_GetIconDirectory....)
249 *
250 */
251HGLOBAL WINAPI ICO_ExtractIconEx(LPCSTR lpszExeFileName, HICON * RetPtr, UINT nIconIndex, UINT n, UINT cxDesired, UINT cyDesired )
252{ HGLOBAL hRet = 0;
253 LPBYTE pData;
254 OFSTRUCT ofs;
255 DWORD sig;
256 HFILE hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
257 UINT iconDirCount = 0,iconCount = 0;
258 LPBYTE peimage;
259 HANDLE fmapping;
260 ULONG uSize;
261
262 dprintf(("SHELL32:Iconcache ICO_ExtractIconEx (file %s,start %d,extract %d\n", lpszExeFileName, nIconIndex, n));
263
264 if( hFile == HFILE_ERROR || !n )
265 return hRet;
266
267 sig = SHELL_GetResourceTable(hFile,&pData);
268
269 /* ico file */
270 if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
271 { BYTE *pCIDir = 0;
272 NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2);
273 NE_NAMEINFO *pIconStorage = NULL;
274 NE_NAMEINFO *pIconDir = NULL;
275 LPicoICONDIR lpiID = NULL;
276
277 dprintf(("SHELL32:Iconcache -- OS2/icon Signature (0x%08lx)\n", sig));
278
279 if( pData == (BYTE*)-1 )
280 { pCIDir = ICO_GetIconDirectory(hFile, &lpiID, &uSize); /* check for .ICO file */
281 if( pCIDir )
282 { iconDirCount = 1; iconCount = lpiID->idCount;
283 dprintf(("SHELL32:Iconcache -- icon found %p 0x%08lx 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount));
284 }
285 }
286 else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
287 { if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON ) /* find icon directory and icon repository */
288 { iconDirCount = pTInfo->count;
289 pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
290 dprintf(("SHELL32:Iconcache \tfound directory - %i icon families\n", iconDirCount));
291 }
292 if( pTInfo->type_id == NE_RSCTYPE_ICON )
293 { iconCount = pTInfo->count;
294 pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
295 dprintf(("SHELL32:Iconcache \ttotal icons - %i\n", iconCount));
296 }
297 pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
298 }
299
300 if( (pIconStorage && pIconDir) || lpiID ) /* load resources and create icons */
301 { if( nIconIndex == (UINT16)-1 )
302 { RetPtr[0] = iconDirCount;
303 }
304 else if( nIconIndex < iconDirCount )
305 { UINT i, icon;
306 if( n > iconDirCount - nIconIndex )
307 n = iconDirCount - nIconIndex;
308
309 for( i = nIconIndex; i < nIconIndex + n; i++ )
310 { /* .ICO files have only one icon directory */
311
312 if( lpiID == NULL ) /* *.ico */
313 pCIDir = SHELL_LoadResource( hFile, pIconDir + i, *(WORD*)pData, &uSize );
314 RetPtr[i-nIconIndex] = pLookupIconIdFromDirectoryEx( pCIDir, TRUE, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0);
315 HeapFree(GetProcessHeap(), 0, pCIDir);
316 }
317
318 for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
319 { pCIDir = NULL;
320 if( lpiID )
321 { pCIDir = ICO_LoadIcon( hFile, lpiID->idEntries + RetPtr[icon-nIconIndex], &uSize);
322 }
323 else
324 { for( i = 0; i < iconCount; i++ )
325 { if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
326 { pCIDir = SHELL_LoadResource( hFile, pIconStorage + i,*(WORD*)pData, &uSize );
327 }
328 }
329 }
330 if( pCIDir )
331 { RetPtr[icon-nIconIndex] = (HICON) pCreateIconFromResourceEx(pCIDir,uSize,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
332 }
333 else
334 { RetPtr[icon-nIconIndex] = 0;
335 }
336 }
337 }
338 }
339 if( lpiID )
340 HeapFree( GetProcessHeap(), 0, lpiID);
341 else
342 HeapFree( GetProcessHeap(), 0, pData);
343 }
344 /* end ico file */
345
346 /* exe/dll */
347 if( sig == IMAGE_NT_SIGNATURE)
348 { LPBYTE idata,igdata;
349 PIMAGE_DOS_HEADER dheader;
350 PIMAGE_NT_HEADERS pe_header;
351 PIMAGE_SECTION_HEADER pe_sections;
352 PIMAGE_RESOURCE_DIRECTORY rootresdir,iconresdir,icongroupresdir;
353 PIMAGE_RESOURCE_DATA_ENTRY idataent,igdataent;
354 PIMAGE_RESOURCE_DIRECTORY_ENTRY xresent;
355 int i,j;
356
357 if ( !(fmapping = CreateFileMappingA(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL)))
358 { WARN("failed to create filemap.\n"); /* FIXME, INVALID_HANDLE_VALUE? */
359 goto end_2; /* failure */
360 }
361
362 if ( !(peimage = (BYTE*)MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0)))
363 { WARN("failed to mmap filemap.\n");
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_3; /* 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_3; /* 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 is negative we have to extract the icon whose resource
400 id is equal to the absolute value of nIconIndex */
401 if( nIconIndex < 0 )
402 {
403 int n = 0;
404 int iId = abs(nIconIndex);
405 PIMAGE_RESOURCE_DIRECTORY_ENTRY xprdeTmp = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);
406 nIconIndex = iconDirCount + 1; /* Initialise to get an error at
407 the condition nIconIndex >= iconDirCount
408 below if nothing is found */
409 while(i<iconDirCount && xprdeTmp)
410 {
411 if(xprdeTmp->u1.Id == iId)
412 {
413 nIconIndex = n;
414 break;
415 }
416 n++;
417 xprdeTmp++;
418 }
419 }
420
421 if (nIconIndex >= iconDirCount)
422 { WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
423 goto end_3; /* failure */
424 }
425
426 xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1); /* caller just wanted the number of entries */
427
428 if( n > iconDirCount - nIconIndex ) /* assure we don't get too much ... */
429 { n = iconDirCount - nIconIndex;
430 }
431
432 xresent = xresent+nIconIndex; /* starting from specified index ... */
433
434 for (i=0;i<n;i++,xresent++)
435 { PIMAGE_RESOURCE_DIRECTORY resdir;
436
437 /* go down this resource entry, name */
438 resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
439
440 /* default language (0) */
441 resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
442 igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
443
444 /* lookup address in mapped image for virtual address */
445 igdata = NULL;
446
447 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
448 { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
449 continue;
450 if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
451 continue;
452 igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
453 }
454
455 if (!igdata)
456 { WARN("no matching real address for icongroup!\n");
457 goto end_3; /* failure */
458 }
459 RetPtr[i] = (HICON)pLookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
460 }
461
462 if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,(DWORD)rootresdir,FALSE)))
463 { WARN("No Iconresourcedirectory!\n");
464 goto end_3; /* failure */
465 }
466
467 for (i=0;i<n;i++)
468 { PIMAGE_RESOURCE_DIRECTORY xresdir;
469 xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
470 xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
471 idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
472 idata = NULL;
473
474 /* map virtual to address in image */
475 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
476 { if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
477 continue;
478 if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
479 continue;
480 idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
481 }
482 if (!idata)
483 { WARN("no matching real address found for icondata!\n");
484 RetPtr[i]=0;
485 continue;
486 }
487//CB: bug in Open32 USER32.CreateIconFromResourceEx: returns 0
488// anyway, the Odin (Open32) icon handling is too far away from Win32
489 RetPtr[i] = (HICON) pCreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000, cxDesired, cyDesired, LR_DEFAULTCOLOR);
490 }
491 hRet = RetPtr[0]; /* return first icon */
492 goto end_3; /* sucess */
493 }
494 goto end_1; /* unknown filetype */
495
496/* cleaning up (try & catch would be nicer:-) ) */
497end_3: UnmapViewOfFile(peimage); /* success */
498end_2: CloseHandle(fmapping);
499end_1: _lclose( hFile);
500 return hRet;
501}
502
503/********************** THE ICON CACHE ********************************/
504
505#define INVALID_INDEX -1
506
507typedef struct
508{ LPCSTR sSourceFile; /* file (not path!) containing the icon */
509 DWORD dwSourceIndex; /* index within the file, if it is a resoure ID it will be negated */
510 DWORD dwListIndex; /* index within the iconlist */
511 DWORD dwFlags; /* GIL_* flags */
512 DWORD dwAccessTime;
513} SIC_ENTRY, * LPSIC_ENTRY;
514
515/*****************************************************************************
516 * SIC_CompareEntrys [called by comctl32.dll]
517 *
518 * NOTES
519 * Callback for DPA_Search
520 */
521INT CALLBACK SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
522{ dprintf(("SHELL32:Iconcache SIC_CompareEntrys %p %p\n", p1, p2));
523
524 if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
525 return 1;
526
527 if (strcmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
528 return 1;
529
530 return 0;
531}
532/*****************************************************************************
533 * SIC_IconAppend [internal]
534 *
535 * NOTES
536 * appends a icon pair to the end of the cache
537 */
538static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
539{ LPSIC_ENTRY lpsice;
540 INT ret, index, index1;
541
542 dprintf(("SHELL32:Iconcache SIC_IconAppend %s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon));
543
544 lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
545
546 lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(), 0, PathFindFileNameA(sSourceFile));
547 lpsice->dwSourceIndex = dwSourceIndex;
548
549 EnterCriticalSection(&SHELL32_SicCS);
550
551 index = pDPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
552 if ( INVALID_INDEX == index )
553 {
554 SHFree(lpsice);
555 ret = INVALID_INDEX;
556 }
557 else
558 {
559 index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
560 index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
561
562 if (index!=index1)
563 {
564 dprintf(("iconlists out of sync 0x%x 0x%x\n", index, index1));
565 }
566 lpsice->dwListIndex = index;
567 ret = lpsice->dwListIndex;
568 }
569
570 LeaveCriticalSection(&SHELL32_SicCS);
571 return ret;
572}
573/****************************************************************************
574 * SIC_LoadIcon [internal]
575 *
576 * NOTES
577 * gets small/big icon by number from a file
578 */
579static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
580{ HICON hiconLarge=0;
581 HICON hiconSmall=0;
582
583 ICO_ExtractIconEx(sSourceFile, &hiconLarge, dwSourceIndex, 1, 32, 32 );
584 ICO_ExtractIconEx(sSourceFile, &hiconSmall, dwSourceIndex, 1, 16, 16 );
585
586
587 if ( !hiconLarge || !hiconSmall)
588 {
589 dprintf(("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall));
590 return -1;
591 }
592 return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
593}
594/*****************************************************************************
595 * SIC_GetIconIndex [internal]
596 *
597 * Parameters
598 * sSourceFile [IN] filename of file containing the icon
599 * index [IN] index/resID (negated) in this file
600 *
601 * NOTES
602 * look in the cache for a proper icon. if not available the icon is taken
603 * from the file and cached
604 */
605INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
606{ SIC_ENTRY sice;
607 INT ret, index = INVALID_INDEX;
608
609 dprintf(("SHELL32:Iconcache SIC_GetIconIndex %s %i\n", sSourceFile, dwSourceIndex));
610
611 sice.sSourceFile = PathFindFileNameA(sSourceFile);
612 sice.dwSourceIndex = dwSourceIndex;
613
614 EnterCriticalSection(&SHELL32_SicCS);
615
616 if (NULL != pDPA_GetPtr (sic_hdpa, 0))
617 {
618 index = pDPA_Search (sic_hdpa, &sice, -1L, (PFNDPACOMPARE)SIC_CompareEntrys, 0, 0);
619 }
620
621 if ( INVALID_INDEX == index )
622 {
623 if (strcmp(sSourceFile,"shell32.dll") == 0)
624 ret = -1; //icon not in cache -> set to default
625 else
626 ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
627 }
628 else
629 {
630 dprintf(("SHELL32:Iconcache -- found\n"));
631 ret = ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
632 }
633
634 LeaveCriticalSection(&SHELL32_SicCS);
635 return ret;
636}
637/****************************************************************************
638 * SIC_LoadIcon [internal]
639 *
640 * NOTES
641 * retrives the specified icon from the iconcache. if not found try's to load the icon
642 */
643static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
644{ INT index;
645
646 dprintf(("SHELL32:Iconcache SIC_GetIcon %s %i\n", sSourceFile, dwSourceIndex));
647
648 index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
649
650 if (INVALID_INDEX == index)
651 {
652 return INVALID_INDEX;
653 }
654
655 if (bSmallIcon)
656 return pImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
657 return pImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
658
659}
660/*****************************************************************************
661 * SIC_Initialize [internal]
662 *
663 * NOTES
664 * hack to load the resources from the shell32.dll under a different dll name
665 * will be removed when the resource-compiler is ready
666 */
667BOOL SIC_Initialize(void)
668{
669 HICON hSm, hLg;
670 UINT index;
671
672 dprintf(("SHELL32:Iconcache SIC_Initialize\n"));
673
674 if (sic_hdpa) /* already initialized?*/
675 return TRUE;
676
677 InitializeCriticalSection(&SHELL32_SicCS);
678
679 sic_hdpa = pDPA_Create(16);
680
681 if (!sic_hdpa)
682 {
683 return(FALSE);
684 }
685
686 ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
687 ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
688
689 pImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
690 pImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
691
692 for (index=1; index<39; index++)
693 {
694 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
695 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
696
697 if(!hSm)
698 {
699 hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
700 hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
701 }
702 SIC_IconAppend ("shell32.dll", index, hSm, hLg);
703 }
704
705 dprintf(("SHELL32:Iconcache hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList));
706
707 return TRUE;
708}
709/*************************************************************************
710 * SIC_Destroy
711 *
712 * frees the cache
713 */
714void SIC_Destroy(void)
715{
716 LPSIC_ENTRY lpsice;
717 int i;
718
719 dprintf(("SHELL32:Iconcache SIC_Destroy\n"));
720
721 EnterCriticalSection(&SHELL32_SicCS);
722
723 if (sic_hdpa && NULL != pDPA_GetPtr (sic_hdpa, 0))
724 {
725 for (i=0; i < pDPA_GetPtrCount(sic_hdpa); ++i)
726 {
727 lpsice = (LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, i);
728 SHFree(lpsice);
729 }
730 pDPA_Destroy(sic_hdpa);
731 }
732
733 sic_hdpa = NULL;
734
735 LeaveCriticalSection(&SHELL32_SicCS);
736}
737/*************************************************************************
738 * Shell_GetImageList [SHELL32.71]
739 *
740 * PARAMETERS
741 * imglist[1|2] [OUT] pointer which recive imagelist handles
742 *
743 */
744
745ODINFUNCTION2(BOOL,Shell_GetImageList,HIMAGELIST*, lpBigList,
746 HIMAGELIST*, lpSmallList)
747{
748 if (lpBigList)
749 { *lpBigList = ShellBigIconList;
750 }
751 if (lpSmallList)
752 { *lpSmallList = ShellSmallIconList;
753 }
754
755 return TRUE;
756}
757/*************************************************************************
758 * PidlToSicIndex [INTERNAL]
759 *
760 * PARAMETERS
761 * sh [IN] IShellFolder
762 * pidl [IN]
763 * bBigIcon [IN]
764 * pIndex [OUT] index within the SIC
765 *
766 */
767BOOL PidlToSicIndex (IShellFolder * sh, LPITEMIDLIST pidl, BOOL bBigIcon, UINT * pIndex)
768{
769 IExtractIcon *ei;
770 char szIconFile[MAX_PATH]; /* file containing the icon */
771 INT iSourceIndex; /* index or resID(negated) in this file */
772 BOOL ret = FALSE;
773 UINT dwFlags = 0;
774
775 dprintf(("SHELL32:Iconcache PidlToSicIndex sf=%p pidl=%p\n", sh, pidl));
776
777 if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconA, 0, (void **)&ei)))
778 {
779 if (NOERROR==IExtractIconA_GetIconLocation(ei, 0, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags))
780 { *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
781 ret = TRUE;
782 }
783 IExtractIconA_Release(ei);
784 }
785
786 if (INVALID_INDEX == *pIndex) /* default icon when failed */
787 *pIndex = 1;
788
789 return ret;
790
791}
792
793/*************************************************************************
794 * SHMapPIDLToSystemImageListIndex [SHELL32.77]
795 *
796 * PARAMETERS
797 * sh [IN] pointer to an instance of IShellFolder
798 * pidl [IN]
799 * pIndex [OUT][OPTIONAL] SIC index for big icon
800 *
801 */
802
803ODINFUNCTION3(UINT,SHMapPIDLToSystemImageListIndex,LPSHELLFOLDER, sh,
804 LPITEMIDLIST, pidl,
805 UINT*, pIndex)
806{
807 UINT Index;
808
809 pdump(pidl);
810
811 if (pIndex)
812 PidlToSicIndex ( sh, pidl, 1, pIndex);
813 PidlToSicIndex ( sh, pidl, 0, &Index);
814 return Index;
815}
816
817/*************************************************************************
818 * Shell_GetCachedImageIndex [SHELL32.72]
819 *
820 */
821ODINFUNCTION3(INT,Shell_GetCachedImageIndexA,LPCSTR,szPath,
822 INT, nIndex,
823 BOOL, bSimulateDoc)
824{
825 dprintf(("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc));
826 return SIC_GetIconIndex(szPath, nIndex);
827}
828
829ODINFUNCTION3(INT,Shell_GetCachedImageIndexW,LPCWSTR, szPath,
830 INT, nIndex,
831 BOOL, bSimulateDoc)
832{ INT ret;
833 LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
834
835 dprintf(("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc));
836
837 ret = SIC_GetIconIndex(sTemp, nIndex);
838 HeapFree(GetProcessHeap(),0,sTemp);
839 return ret;
840}
841
842ODINFUNCTION3(INT,Shell_GetCachedImageIndexAW,LPCVOID, szPath,
843 INT, nIndex,
844 BOOL, bSimulateDoc)
845{ if( VERSION_OsIsUnicode())
846 return Shell_GetCachedImageIndexW((LPWSTR)szPath, nIndex, bSimulateDoc);
847 return Shell_GetCachedImageIndexA((LPSTR)szPath, nIndex, bSimulateDoc);
848}
849
850/*************************************************************************
851 * ExtracticonExAW [shell32.189]
852 */
853
854ODINFUNCTION5(HICON,ExtractIconExAW,LPCVOID, lpszFile,
855 INT, nIconIndex,
856 HICON*, phiconLarge,
857 HICON*, phiconSmall,
858 UINT, nIcons)
859{ if (VERSION_OsIsUnicode())
860 return ExtractIconExW ( (LPWSTR)lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
861 return ExtractIconExA ( (LPSTR)lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
862}
863/*************************************************************************
864 * ExtracticonExA [shell32.190]
865 * RETURNS
866 * 0 no icon found
867 * 1 file is not valid
868 * HICON handle of a icon (phiconLarge/Small == NULL)
869 */
870
871ODINFUNCTION5(HICON,ExtractIconExA, LPCSTR, lpszFile,
872 INT, nIconIndex,
873 HICON*, phiconLarge,
874 HICON*, phiconSmall,
875 UINT, nIcons)
876{ HICON ret=0;
877
878 dprintf(("SHELL32:Iconcache file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons ));
879
880 if (nIconIndex==-1) /* Number of icons requested */
881 return ICO_ExtractIconEx(lpszFile, NULL, -1, 0, 0, 0 );
882
883
884 if (phiconLarge)
885 { ret = ICO_ExtractIconEx(lpszFile, phiconLarge, nIconIndex, nIcons, 32, 32 );
886 if ( nIcons==1)
887 { ret = phiconLarge[0];
888 }
889 }
890
891 /* if no pointers given and one icon expected, return the handle directly*/
892 if (!phiconLarge && ! phiconSmall && nIcons==1 )
893 phiconSmall = &ret;
894
895 if (phiconSmall)
896 { ret = ICO_ExtractIconEx(lpszFile, phiconSmall, nIconIndex, nIcons, 16, 16 );
897 if ( nIcons==1 )
898 { ret = phiconSmall[0];
899 }
900 }
901
902 return ret;
903}
904/*************************************************************************
905 * ExtracticonExW [shell32.191]
906 */
907ODINFUNCTION5(HICON,ExtractIconExW,LPCWSTR, lpszFile,
908 INT, nIconIndex,
909 HICON*, phiconLarge,
910 HICON*, phiconSmall,
911 UINT, nIcons)
912{ LPSTR sFile;
913 DWORD ret;
914
915 dprintf(("SHELL32:Iconcache file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons ));
916
917 sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
918 ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
919 HeapFree(GetProcessHeap(),0,sFile);
920 return ret;
921}
922
923/*
924 * PE (Portable Execute) File Resources
925 *
926 * Copyright 1995 Thomas Sandford
927 * Copyright 1996 Martin von Loewis
928 *
929 * Based on the Win16 resource handling code in loader/resource.c
930 * Copyright 1993 Robert J. Amstadt
931 * Copyright 1995 Alexandre Julliard
932 * Copyright 1997 Marcus Meissner
933 */
934
935//CB: from loader/pe_resource.c
936
937/**********************************************************************
938 * GetResDirEntryW
939 *
940 * Helper function - goes down one level of PE resource tree
941 *
942 */
943PIMAGE_RESOURCE_DIRECTORY GetResDirEntryW(PIMAGE_RESOURCE_DIRECTORY resdirptr,
944 LPCWSTR name,DWORD root,
945 BOOL allowdefault)
946{
947 int entrynum;
948 PIMAGE_RESOURCE_DIRECTORY_ENTRY entryTable;
949 int namelen;
950
951 if (HIWORD(name)) {
952 if (name[0]=='#') {
953 char buf[10];
954
955 lstrcpynWtoA(buf,name+1,10);
956 return GetResDirEntryW(resdirptr,(LPCWSTR)atoi(buf),root,allowdefault);
957 }
958 entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
959 (BYTE *) resdirptr +
960 sizeof(IMAGE_RESOURCE_DIRECTORY));
961 namelen = lstrlenW(name);
962 for (entrynum = 0; entrynum < resdirptr->NumberOfNamedEntries; entrynum++)
963 {
964 PIMAGE_RESOURCE_DIR_STRING_U str =
965 (PIMAGE_RESOURCE_DIR_STRING_U) (root +
966 entryTable[entrynum].u1.s.NameOffset);
967 if(namelen != str->Length)
968 continue;
969 if(lstrncmpiW(name,str->NameString,str->Length)==0)
970 return (PIMAGE_RESOURCE_DIRECTORY) (
971 root +
972 entryTable[entrynum].u2.s.OffsetToDirectory);
973 }
974 return NULL;
975 } else {
976 entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
977 (BYTE *) resdirptr +
978 sizeof(IMAGE_RESOURCE_DIRECTORY) +
979 resdirptr->NumberOfNamedEntries * sizeof(IMAGE_RESOURCE_DIRECTORY_ENTRY));
980 for (entrynum = 0; entrynum < resdirptr->NumberOfIdEntries; entrynum++)
981 if ((DWORD)entryTable[entrynum].u1.Name == (DWORD)name)
982 return (PIMAGE_RESOURCE_DIRECTORY) (
983 root +
984 entryTable[entrynum].u2.s.OffsetToDirectory);
985 /* just use first entry if no default can be found */
986 if (allowdefault && !name && resdirptr->NumberOfIdEntries)
987 return (PIMAGE_RESOURCE_DIRECTORY) (
988 root +
989 entryTable[0].u2.s.OffsetToDirectory);
990 return NULL;
991 }
992}
993
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