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ANSI C fixes.
[wine/testsucceed.git] / misc / shell.c
bloba0c24c08c23b3812abac73c913eb8ccba14062b6
1 /*
2 * Shell Library Functions
3 *
4 * 1998 Marcus Meissner
5 */
6 #include <assert.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <unistd.h>
10 #include <ctype.h>
11 #include "wine/winuser16.h"
12 #include "wine/winbase16.h"
13 #include "wine/shell16.h"
14 #include "winerror.h"
15 #include "file.h"
16 #include "heap.h"
17 #include "ldt.h"
18 #include "module.h"
19 #include "neexe.h"
20 #include "dlgs.h"
21 #include "cursoricon.h"
22 #include "sysmetrics.h"
23 #include "shellapi.h"
24 #include "shlobj.h"
25 #include "debugtools.h"
26 #include "winreg.h"
27 #include "imagelist.h"
28
29 DECLARE_DEBUG_CHANNEL(exec)
30 DECLARE_DEBUG_CHANNEL(shell)
31
32 /* .ICO file ICONDIR definitions */
33
34 #include "pshpack1.h"
35
36 typedef struct
37 {
38 BYTE bWidth; /* Width, in pixels, of the image */
39 BYTE bHeight; /* Height, in pixels, of the image */
40 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
41 BYTE bReserved; /* Reserved ( must be 0) */
42 WORD wPlanes; /* Color Planes */
43 WORD wBitCount; /* Bits per pixel */
44 DWORD dwBytesInRes; /* How many bytes in this resource? */
45 DWORD dwImageOffset; /* Where in the file is this image? */
46 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
47
48 typedef struct
49 {
50 WORD idReserved; /* Reserved (must be 0) */
51 WORD idType; /* Resource Type (1 for icons) */
52 WORD idCount; /* How many images? */
53 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
54 } icoICONDIR, *LPicoICONDIR;
55
56 #include "poppack.h"
57
58 static const char* lpstrMsgWndCreated = "OTHERWINDOWCREATED";
59 static const char* lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
60 static const char* lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
61
62 static HWND16 SHELL_hWnd = 0;
63 static HHOOK SHELL_hHook = 0;
64 static UINT16 uMsgWndCreated = 0;
65 static UINT16 uMsgWndDestroyed = 0;
66 static UINT16 uMsgShellActivate = 0;
67
68 /*************************************************************************
69 * DragAcceptFiles32 [SHELL32.54]
70 */
71 void WINAPI DragAcceptFiles(HWND hWnd, BOOL b)
72 {
73 LONG exstyle;
74
75
76 if( !IsWindow(hWnd) )
77 return;
78 exstyle = GetWindowLongA(hWnd,GWL_EXSTYLE);
79 if (b)exstyle |= WS_EX_ACCEPTFILES;
80 else exstyle &= ~WS_EX_ACCEPTFILES;
81 SetWindowLongA(hWnd,GWL_EXSTYLE,exstyle);
82 }
83
84 /*************************************************************************
85 * DragAcceptFiles16 [SHELL.9]
86 */
87 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
88 {
89 DragAcceptFiles(hWnd, b);
90 }
91
92 /*************************************************************************
93 * SHELL_DragQueryFile [internal]
94 *
95 */
96 static UINT SHELL_DragQueryFile(LPSTR lpDrop, LPWSTR lpwDrop, UINT lFile,
97 LPSTR lpszFile, LPWSTR lpszwFile, UINT lLength)
98 {
99 UINT i;
100
101 i = 0;
102 if (lpDrop) {
103 while (i++ < lFile) {
104 while (*lpDrop++); /* skip filename */
105 if (!*lpDrop)
106 return (lFile == 0xFFFFFFFF) ? i : 0;
107 }
108 }
109 if (lpwDrop) {
110 while (i++ < lFile) {
111 while (*lpwDrop++); /* skip filename */
112 if (!*lpwDrop)
113 return (lFile == 0xFFFFFFFF) ? i : 0;
114 }
115 }
116
117 if (lpDrop) i = lstrlenA(lpDrop);
118 if (lpwDrop) i = lstrlenW(lpwDrop);
119 i++;
120 if (!lpszFile && !lpszwFile) {
121 return i; /* needed buffer size */
122 }
123 i = (lLength > i) ? i : lLength;
124 if (lpszFile) {
125 if (lpDrop) lstrcpynA (lpszFile, lpDrop, i);
126 else lstrcpynWtoA(lpszFile, lpwDrop, i);
127 } else {
128 if (lpDrop) lstrcpynAtoW(lpszwFile, lpDrop, i);
129 else lstrcpynW (lpszwFile, lpwDrop, i);
130 }
131 return i;
132 }
133
134 /*************************************************************************
135 * DragQueryFile32A [SHELL32.81] [shell32.82]
136 */
137 UINT WINAPI DragQueryFileA(HDROP hDrop, UINT lFile, LPSTR lpszFile,
138 UINT lLength)
139 { /* hDrop is a global memory block allocated with GMEM_SHARE
140 * with DROPFILESTRUCT as a header and filenames following
141 * it, zero length filename is in the end */
142
143 LPDROPFILESTRUCT lpDropFileStruct;
144 LPSTR lpCurrent;
145 UINT i;
146
147 TRACE_(shell)("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszFile,lLength);
148
149 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
150 if(!lpDropFileStruct)
151 return 0;
152
153 lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->lSize;
154 i = SHELL_DragQueryFile(lpCurrent, NULL, lFile, lpszFile, NULL, lLength);
155 GlobalUnlock(hDrop);
156 return i;
157 }
158
159 /*************************************************************************
160 * DragQueryFile32W [shell32.133]
161 */
162 UINT WINAPI DragQueryFileW(HDROP hDrop, UINT lFile, LPWSTR lpszwFile,
163 UINT lLength)
164 {
165 LPDROPFILESTRUCT lpDropFileStruct;
166 LPWSTR lpwCurrent;
167 UINT i;
168
169 TRACE_(shell)("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszwFile,lLength);
170
171 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
172 if(!lpDropFileStruct)
173 return 0;
174
175 lpwCurrent = (LPWSTR) lpDropFileStruct + lpDropFileStruct->lSize;
176 i = SHELL_DragQueryFile(NULL, lpwCurrent, lFile, NULL, lpszwFile,lLength);
177 GlobalUnlock(hDrop);
178 return i;
179 }
180 /*************************************************************************
181 * DragQueryFile16 [SHELL.11]
182 */
183 UINT16 WINAPI DragQueryFile16(HDROP16 hDrop, WORD wFile, LPSTR lpszFile,
184 WORD wLength)
185 { /* hDrop is a global memory block allocated with GMEM_SHARE
186 * with DROPFILESTRUCT as a header and filenames following
187 * it, zero length filename is in the end */
188
189 LPDROPFILESTRUCT16 lpDropFileStruct;
190 LPSTR lpCurrent;
191 WORD i;
192
193 TRACE_(shell)("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
194
195 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
196 if(!lpDropFileStruct)
197 return 0;
198
199 lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
200
201 i = (WORD)SHELL_DragQueryFile(lpCurrent, NULL, wFile==0xffff?0xffffffff:wFile,
202 lpszFile, NULL, wLength);
203 GlobalUnlock16(hDrop);
204 return i;
205 }
206
207
208
209 /*************************************************************************
210 * DragFinish32 [SHELL32.80]
211 */
212 void WINAPI DragFinish(HDROP h)
213 { TRACE_(shell)("\n");
214 GlobalFree((HGLOBAL)h);
215 }
216
217 /*************************************************************************
218 * DragFinish16 [SHELL.12]
219 */
220 void WINAPI DragFinish16(HDROP16 h)
221 { TRACE_(shell)("\n");
222 GlobalFree16((HGLOBAL16)h);
223 }
224
225
226 /*************************************************************************
227 * DragQueryPoint32 [SHELL32.135]
228 */
229 BOOL WINAPI DragQueryPoint(HDROP hDrop, POINT *p)
230 {
231 LPDROPFILESTRUCT lpDropFileStruct;
232 BOOL bRet;
233 TRACE_(shell)("\n");
234 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
235
236 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT));
237 bRet = lpDropFileStruct->fInNonClientArea;
238
239 GlobalUnlock(hDrop);
240 return bRet;
241 }
242
243 /*************************************************************************
244 * DragQueryPoint16 [SHELL.13]
245 */
246 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
247 {
248 LPDROPFILESTRUCT16 lpDropFileStruct;
249 BOOL16 bRet;
250 TRACE_(shell)("\n");
251 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
252
253 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
254 bRet = lpDropFileStruct->fInNonClientArea;
255
256 GlobalUnlock16(hDrop);
257 return bRet;
258 }
259
260 /*************************************************************************
261 * SHELL_FindExecutable [Internal]
262 *
263 * Utility for code sharing between FindExecutable and ShellExecute
264 */
265 HINSTANCE SHELL_FindExecutable( LPCSTR lpFile,
266 LPCSTR lpOperation,
267 LPSTR lpResult)
268 { char *extension = NULL; /* pointer to file extension */
269 char tmpext[5]; /* local copy to mung as we please */
270 char filetype[256]; /* registry name for this filetype */
271 LONG filetypelen=256; /* length of above */
272 char command[256]; /* command from registry */
273 LONG commandlen=256; /* This is the most DOS can handle :) */
274 char buffer[256]; /* Used to GetProfileString */
275 HINSTANCE retval=31; /* default - 'No association was found' */
276 char *tok; /* token pointer */
277 int i; /* random counter */
278 char xlpFile[256]; /* result of SearchPath */
279
280 TRACE_(shell)("%s\n", (lpFile != NULL?lpFile:"-") );
281
282 lpResult[0]='\0'; /* Start off with an empty return string */
283
284 /* trap NULL parameters on entry */
285 if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
286 { WARN_(exec)("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
287 lpFile, lpOperation, lpResult);
288 return 2; /* File not found. Close enough, I guess. */
289 }
290
291 if (SearchPathA( NULL, lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
292 { TRACE_(shell)("SearchPath32A returned non-zero\n");
293 lpFile = xlpFile;
294 }
295
296 /* First thing we need is the file's extension */
297 extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
298 /* File->Run in progman uses */
299 /* .\FILE.EXE :( */
300 TRACE_(shell)("xlpFile=%s,extension=%s\n", xlpFile, extension);
301
302 if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
303 { WARN_(shell)("Returning 31 - No association\n");
304 return 31; /* no association */
305 }
306
307 /* Make local copy & lowercase it for reg & 'programs=' lookup */
308 lstrcpynA( tmpext, extension, 5 );
309 CharLowerA( tmpext );
310 TRACE_(shell)("%s file\n", tmpext);
311
312 /* Three places to check: */
313 /* 1. win.ini, [windows], programs (NB no leading '.') */
314 /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
315 /* 3. win.ini, [extensions], extension (NB no leading '.' */
316 /* All I know of the order is that registry is checked before */
317 /* extensions; however, it'd make sense to check the programs */
318 /* section first, so that's what happens here. */
319
320 /* See if it's a program - if GetProfileString fails, we skip this
321 * section. Actually, if GetProfileString fails, we've probably
322 * got a lot more to worry about than running a program... */
323 if ( GetProfileStringA("windows", "programs", "exe pif bat com",
324 buffer, sizeof(buffer)) > 0 )
325 { for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
326
327 tok = strtok(buffer, " \t"); /* ? */
328 while( tok!= NULL)
329 {
330 if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
331 {
332 strcpy(lpResult, xlpFile);
333 /* Need to perhaps check that the file has a path
334 * attached */
335 TRACE_(shell)("found %s\n", lpResult);
336 return 33;
337
338 /* Greater than 32 to indicate success FIXME According to the
339 * docs, I should be returning a handle for the
340 * executable. Does this mean I'm supposed to open the
341 * executable file or something? More RTFM, I guess... */
342 }
343 tok=strtok(NULL, " \t");
344 }
345 }
346
347 /* Check registry */
348 if (RegQueryValue16( HKEY_CLASSES_ROOT, tmpext, filetype,
349 &filetypelen ) == ERROR_SUCCESS )
350 {
351 filetype[filetypelen]='\0';
352 TRACE_(shell)("File type: %s\n", filetype);
353
354 /* Looking for ...buffer\shell\lpOperation\command */
355 strcat( filetype, "\\shell\\" );
356 strcat( filetype, lpOperation );
357 strcat( filetype, "\\command" );
358
359 if (RegQueryValue16( HKEY_CLASSES_ROOT, filetype, command,
360 &commandlen ) == ERROR_SUCCESS )
361 {
362 /* Is there a replace() function anywhere? */
363 command[commandlen]='\0';
364 strcpy( lpResult, command );
365 tok=strstr( lpResult, "%1" );
366 if (tok != NULL)
367 {
368 tok[0]='\0'; /* truncate string at the percent */
369 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
370 tok=strstr( command, "%1" );
371 if ((tok!=NULL) && (strlen(tok)>2))
372 {
373 strcat( lpResult, &tok[2] );
374 }
375 }
376 retval=33; /* FIXME see above */
377 }
378 }
379 else /* Check win.ini */
380 {
381 /* Toss the leading dot */
382 extension++;
383 if ( GetProfileStringA( "extensions", extension, "", command,
384 sizeof(command)) > 0)
385 {
386 if (strlen(command)!=0)
387 {
388 strcpy( lpResult, command );
389 tok=strstr( lpResult, "^" ); /* should be ^.extension? */
390 if (tok != NULL)
391 {
392 tok[0]='\0';
393 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
394 tok=strstr( command, "^" ); /* see above */
395 if ((tok != NULL) && (strlen(tok)>5))
396 {
397 strcat( lpResult, &tok[5]);
398 }
399 }
400 retval=33; /* FIXME - see above */
401 }
402 }
403 }
404
405 TRACE_(shell)("returning %s\n", lpResult);
406 return retval;
407 }
408
409 /*************************************************************************
410 * ShellExecute16 [SHELL.20]
411 */
412 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
413 LPCSTR lpFile, LPCSTR lpParameters,
414 LPCSTR lpDirectory, INT16 iShowCmd )
415 { HINSTANCE16 retval=31;
416 char old_dir[1024];
417 char cmd[256];
418
419 TRACE_(shell)("(%04x,'%s','%s','%s','%s',%x)\n",
420 hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
421 lpParameters ? lpParameters : "<null>",
422 lpDirectory ? lpDirectory : "<null>", iShowCmd);
423
424 if (lpFile==NULL) return 0; /* should not happen */
425 if (lpOperation==NULL) /* default is open */
426 lpOperation="open";
427
428 if (lpDirectory)
429 { GetCurrentDirectoryA( sizeof(old_dir), old_dir );
430 SetCurrentDirectoryA( lpDirectory );
431 }
432
433 retval = SHELL_FindExecutable( lpFile, lpOperation, cmd );
434
435 if (retval > 32) /* Found */
436 { if (lpParameters)
437 { strcat(cmd," ");
438 strcat(cmd,lpParameters);
439 }
440
441 TRACE_(shell)("starting %s\n",cmd);
442 retval = WinExec( cmd, iShowCmd );
443 }
444 if (lpDirectory)
445 SetCurrentDirectoryA( old_dir );
446 return retval;
447 }
448
449 /*************************************************************************
450 * FindExecutable16 (SHELL.21)
451 */
452 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
453 LPSTR lpResult )
454 { return (HINSTANCE16)FindExecutableA( lpFile, lpDirectory, lpResult );
455 }
456
457
458 /*************************************************************************
459 * AboutDlgProc16 (SHELL.33)
460 */
461 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
462 LPARAM lParam )
463 { return AboutDlgProc( hWnd, msg, wParam, lParam );
464 }
465
466
467 /*************************************************************************
468 * ShellAbout16 (SHELL.22)
469 */
470 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
471 HICON16 hIcon )
472 { return ShellAboutA( hWnd, szApp, szOtherStuff, hIcon );
473 }
474
475 /*************************************************************************
476 * SHELL_GetResourceTable
477 */
478 static DWORD SHELL_GetResourceTable(HFILE hFile,LPBYTE *retptr)
479 { IMAGE_DOS_HEADER mz_header;
480 char magic[4];
481 int size;
482
483 TRACE_(shell)("\n");
484
485 *retptr = NULL;
486 _llseek( hFile, 0, SEEK_SET );
487 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
488 { /* .ICO file ? */
489 if (mz_header.e_cblp == 1)
490 { /* ICONHEADER.idType, must be 1 */
491 *retptr = (LPBYTE)-1;
492 return 1;
493 }
494 else
495 return 0; /* failed */
496 }
497 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
498
499 if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
500 return 0;
501
502 _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
503
504 if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
505 return IMAGE_NT_SIGNATURE;
506
507 if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
508 { IMAGE_OS2_HEADER ne_header;
509 LPBYTE pTypeInfo = (LPBYTE)-1;
510
511 if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
512 return 0;
513
514 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
515 return 0;
516
517 size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
518
519 if( size > sizeof(NE_TYPEINFO) )
520 { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
521 if( pTypeInfo )
522 { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
523 if( _lread( hFile, (char*)pTypeInfo, size) != size )
524 { HeapFree( GetProcessHeap(), 0, pTypeInfo);
525 pTypeInfo = NULL;
526 }
527 }
528 }
529 *retptr = pTypeInfo;
530 return IMAGE_OS2_SIGNATURE;
531 }
532 return 0; /* failed */
533 }
534
535 /*************************************************************************
536 * SHELL_LoadResource
537 */
538 static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
539 { BYTE* ptr;
540 HGLOBAL16 handle = DirectResAlloc16( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
541
542 TRACE_(shell)("\n");
543
544 if( (ptr = (BYTE*)GlobalLock16( handle )) )
545 { _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
546 _lread( hFile, (char*)ptr, pNInfo->length << sizeShift);
547 return handle;
548 }
549 return 0;
550 }
551
552 /*************************************************************************
553 * ICO_LoadIcon
554 */
555 static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIRENTRY lpiIDE)
556 { BYTE* ptr;
557 HGLOBAL16 handle = DirectResAlloc16( hInst, 0x10, lpiIDE->dwBytesInRes);
558 TRACE_(shell)("\n");
559 if( (ptr = (BYTE*)GlobalLock16( handle )) )
560 { _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
561 _lread( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
562 return handle;
563 }
564 return 0;
565 }
566
567 /*************************************************************************
568 * ICO_GetIconDirectory
569 *
570 * Read .ico file and build phony ICONDIR struct for GetIconID
571 */
572 static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIR* lplpiID )
573 { WORD id[3]; /* idReserved, idType, idCount */
574 LPicoICONDIR lpiID;
575 int i;
576
577 TRACE_(shell)("\n");
578 _llseek( hFile, 0, SEEK_SET );
579 if( _lread(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0;
580
581 /* check .ICO header
582 *
583 * - see http://www.microsoft.com/win32dev/ui/icons.htm
584 */
585
586 if( id[0] || id[1] != 1 || !id[2] ) return 0;
587
588 i = id[2]*sizeof(icoICONDIRENTRY) ;
589
590 lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, i + sizeof(id));
591
592 if( _lread(hFile,(char*)lpiID->idEntries,i) == i )
593 { HGLOBAL16 handle = DirectResAlloc16( hInst, 0x10,
594 id[2]*sizeof(CURSORICONDIRENTRY) + sizeof(id) );
595 if( handle )
596 { CURSORICONDIR* lpID = (CURSORICONDIR*)GlobalLock16( handle );
597 lpID->idReserved = lpiID->idReserved = id[0];
598 lpID->idType = lpiID->idType = id[1];
599 lpID->idCount = lpiID->idCount = id[2];
600 for( i=0; i < lpiID->idCount; i++ )
601 { memcpy((void*)(lpID->idEntries + i),
602 (void*)(lpiID->idEntries + i), sizeof(CURSORICONDIRENTRY) - 2);
603 lpID->idEntries[i].wResId = i;
604 }
605 *lplpiID = lpiID;
606 return handle;
607 }
608 }
609 /* fail */
610
611 HeapFree( GetProcessHeap(), 0, lpiID);
612 return 0;
613 }
614
615 /*************************************************************************
616 * InternalExtractIcon [SHELL.39]
617 *
618 * This abortion is called directly by Progman
619 */
620 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
621 LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
622 { HGLOBAL16 hRet = 0;
623 HGLOBAL16* RetPtr = NULL;
624 LPBYTE pData;
625 OFSTRUCT ofs;
626 DWORD sig;
627 HFILE hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
628 UINT16 iconDirCount = 0,iconCount = 0;
629 LPBYTE peimage;
630 HANDLE fmapping;
631
632 TRACE_(shell)("(%04x,file %s,start %d,extract %d\n",
633 hInstance, lpszExeFileName, nIconIndex, n);
634
635 if( hFile == HFILE_ERROR || !n )
636 return 0;
637
638 hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
639 RetPtr = (HICON16*)GlobalLock16(hRet);
640
641 *RetPtr = (n == 0xFFFF)? 0: 1; /* error return values */
642
643 sig = SHELL_GetResourceTable(hFile,&pData);
644
645 if( sig==IMAGE_OS2_SIGNATURE || sig==1 ) /* .ICO file */
646 { HICON16 hIcon = 0;
647 NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
648 NE_NAMEINFO* pIconStorage = NULL;
649 NE_NAMEINFO* pIconDir = NULL;
650 LPicoICONDIR lpiID = NULL;
651
652 if( pData == (BYTE*)-1 )
653 { hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID); /* check for .ICO file */
654 if( hIcon )
655 { iconDirCount = 1; iconCount = lpiID->idCount;
656 }
657 }
658 else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
659 { if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON ) /* find icon directory and icon repository */
660 { iconDirCount = pTInfo->count;
661 pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
662 TRACE_(shell)("\tfound directory - %i icon families\n", iconDirCount);
663 }
664 if( pTInfo->type_id == NE_RSCTYPE_ICON )
665 { iconCount = pTInfo->count;
666 pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
667 TRACE_(shell)("\ttotal icons - %i\n", iconCount);
668 }
669 pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
670 }
671
672 /* load resources and create icons */
673
674 if( (pIconStorage && pIconDir) || lpiID )
675 { if( nIconIndex == (UINT16)-1 )
676 { RetPtr[0] = iconDirCount;
677 }
678 else if( nIconIndex < iconDirCount )
679 { UINT16 i, icon;
680 if( n > iconDirCount - nIconIndex )
681 n = iconDirCount - nIconIndex;
682
683 for( i = nIconIndex; i < nIconIndex + n; i++ )
684 { /* .ICO files have only one icon directory */
685
686 if( lpiID == NULL )
687 hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i, *(WORD*)pData );
688 RetPtr[i-nIconIndex] = GetIconID16( hIcon, 3 );
689 GlobalFree16(hIcon);
690 }
691
692 for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
693 { hIcon = 0;
694 if( lpiID )
695 { hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
696 }
697 else
698 { for( i = 0; i < iconCount; i++ )
699 { if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
700 { hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i,*(WORD*)pData );
701 }
702 }
703 }
704 if( hIcon )
705 { RetPtr[icon-nIconIndex] = LoadIconHandler16( hIcon, TRUE );
706 FarSetOwner16( RetPtr[icon-nIconIndex], GetExePtr(hInstance) );
707 }
708 else
709 { RetPtr[icon-nIconIndex] = 0;
710 }
711 }
712 }
713 }
714 if( lpiID )
715 HeapFree( GetProcessHeap(), 0, lpiID);
716 else
717 HeapFree( GetProcessHeap(), 0, pData);
718 }
719
720 if( sig == IMAGE_NT_SIGNATURE)
721 { LPBYTE idata,igdata;
722 PIMAGE_DOS_HEADER dheader;
723 PIMAGE_NT_HEADERS pe_header;
724 PIMAGE_SECTION_HEADER pe_sections;
725 PIMAGE_RESOURCE_DIRECTORY rootresdir,iconresdir,icongroupresdir;
726 PIMAGE_RESOURCE_DATA_ENTRY idataent,igdataent;
727 int i,j;
728 PIMAGE_RESOURCE_DIRECTORY_ENTRY xresent;
729 CURSORICONDIR **cids;
730
731 fmapping = CreateFileMappingA(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL);
732 if (fmapping == 0)
733 { /* FIXME, INVALID_HANDLE_VALUE? */
734 WARN_(shell)("failed to create filemap.\n");
735 hRet = 0;
736 goto end_2; /* failure */
737 }
738 peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0);
739 if (!peimage)
740 { WARN_(shell)("failed to mmap filemap.\n");
741 hRet = 0;
742 goto end_2; /* failure */
743 }
744 dheader = (PIMAGE_DOS_HEADER)peimage;
745
746 /* it is a pe header, SHELL_GetResourceTable checked that */
747 pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew);
748
749 /* probably makes problems with short PE headers... but I haven't seen
750 * one yet...
751 */
752 pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header));
753 rootresdir = NULL;
754
755 for (i=0;i<pe_header->FileHeader.NumberOfSections;i++)
756 { if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
757 continue;
758 /* FIXME: doesn't work when the resources are not in a seperate section */
759 if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
760 { rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData);
761 break;
762 }
763 }
764
765 if (!rootresdir)
766 { WARN_(shell)("haven't found section for resource directory.\n");
767 goto end_4; /* failure */
768 }
769
770 icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICONW, (DWORD)rootresdir,FALSE);
771
772 if (!icongroupresdir)
773 { WARN_(shell)("No Icongroupresourcedirectory!\n");
774 goto end_4; /* failure */
775 }
776
777 iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries;
778
779 if( nIconIndex == (UINT16)-1 )
780 { RetPtr[0] = iconDirCount;
781 goto end_3; /* success */
782 }
783
784 if (nIconIndex >= iconDirCount)
785 { WARN_(shell)("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
786 GlobalFree16(hRet);
787 goto end_4; /* failure */
788 }
789
790 cids = (CURSORICONDIR**)HeapAlloc(GetProcessHeap(),0,n*sizeof(CURSORICONDIR*));
791
792 /* caller just wanted the number of entries */
793 xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1);
794
795 /* assure we don't get too much ... */
796 if( n > iconDirCount - nIconIndex )
797 { n = iconDirCount - nIconIndex;
798 }
799
800 /* starting from specified index ... */
801 xresent = xresent+nIconIndex;
802
803 for (i=0;i<n;i++,xresent++)
804 { CURSORICONDIR *cid;
805 PIMAGE_RESOURCE_DIRECTORY resdir;
806
807 /* go down this resource entry, name */
808 resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
809
810 /* default language (0) */
811 resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
812 igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
813
814 /* lookup address in mapped image for virtual address */
815 igdata = NULL;
816
817 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
818 { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress)
819 continue;
820 if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
821 continue;
822 igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
823 }
824
825 if (!igdata)
826 { WARN_(shell)("no matching real address for icongroup!\n");
827 goto end_4; /* failure */
828 }
829 /* found */
830 cid = (CURSORICONDIR*)igdata;
831 cids[i] = cid;
832 RetPtr[i] = LookupIconIdFromDirectoryEx(igdata,TRUE,SYSMETRICS_CXICON,SYSMETRICS_CYICON,0);
833 }
834
835 iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,(DWORD)rootresdir,FALSE);
836
837 if (!iconresdir)
838 { WARN_(shell)("No Iconresourcedirectory!\n");
839 goto end_4; /* failure */
840 }
841
842 for (i=0;i<n;i++)
843 { PIMAGE_RESOURCE_DIRECTORY xresdir;
844 xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],(DWORD)rootresdir,FALSE);
845 xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
846 idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
847 idata = NULL;
848
849 /* map virtual to address in image */
850 for (j=0;j<pe_header->FileHeader.NumberOfSections;j++)
851 { if (idataent->OffsetToData < pe_sections[j].VirtualAddress)
852 continue;
853 if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData)
854 continue;
855 idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData);
856 }
857 if (!idata)
858 { WARN_(shell)("no matching real address found for icondata!\n");
859 RetPtr[i]=0;
860 continue;
861 }
862 RetPtr[i] = CreateIconFromResourceEx(idata,idataent->Size,TRUE,0x00030000,SYSMETRICS_CXICON,SYSMETRICS_CYICON,0);
863 }
864 goto end_3; /* sucess */
865 }
866 goto end_1; /* return array with icon handles */
867
868 /* cleaning up (try & catch would be nicer) */
869 end_4: hRet = 0; /* failure */
870 end_3: UnmapViewOfFile(peimage); /* success */
871 end_2: CloseHandle(fmapping);
872 end_1: _lclose( hFile);
873 return hRet;
874 }
875
876 /*************************************************************************
877 * ExtractIcon16 (SHELL.34)
878 */
879 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
880 UINT16 nIconIndex )
881 { TRACE_(shell)("\n");
882 return ExtractIconA( hInstance, lpszExeFileName, nIconIndex );
883 }
884
885 /*************************************************************************
886 * ExtractIconEx16 (SHELL.40)
887 */
888 HICON16 WINAPI ExtractIconEx16(
889 LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
890 HICON16 *phiconSmall, UINT16 nIcons
891 ) {
892 HICON *ilarge,*ismall;
893 UINT16 ret;
894 int i;
895
896 if (phiconLarge)
897 ilarge = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
898 else
899 ilarge = NULL;
900 if (phiconSmall)
901 ismall = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
902 else
903 ismall = NULL;
904 ret = ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons);
905 if (ilarge) {
906 for (i=0;i<nIcons;i++)
907 phiconLarge[i]=ilarge[i];
908 HeapFree(GetProcessHeap(),0,ilarge);
909 }
910 if (ismall) {
911 for (i=0;i<nIcons;i++)
912 phiconSmall[i]=ismall[i];
913 HeapFree(GetProcessHeap(),0,ismall);
914 }
915 return ret;
916 }
917
918 /*************************************************************************
919 * ExtractAssociatedIcon [SHELL.36]
920 *
921 * Return icon for given file (either from file itself or from associated
922 * executable) and patch parameters if needed.
923 */
924 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
925 { TRACE_(shell)("\n");
926 return ExtractAssociatedIcon16(hInst,lpIconPath,lpiIcon);
927 }
928
929 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
930 { HICON16 hIcon;
931
932 TRACE_(shell)("\n");
933
934 hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
935
936 if( hIcon < 2 )
937 { if( hIcon == 1 ) /* no icons found in given file */
938 { char tempPath[0x80];
939 UINT16 uRet = FindExecutable16(lpIconPath,NULL,tempPath);
940
941 if( uRet > 32 && tempPath[0] )
942 { strcpy(lpIconPath,tempPath);
943 hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
944 if( hIcon > 2 )
945 return hIcon;
946 }
947 else hIcon = 0;
948 }
949
950 if( hIcon == 1 )
951 *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
952 else
953 *lpiIcon = 6; /* generic icon - found nothing */
954
955 GetModuleFileName16(hInst, lpIconPath, 0x80);
956 hIcon = LoadIcon16( hInst, MAKEINTRESOURCE16(*lpiIcon));
957 }
958 return hIcon;
959 }
960
961 /*************************************************************************
962 * FindEnvironmentString [SHELL.38]
963 *
964 * Returns a pointer into the DOS environment... Ugh.
965 */
966 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
967 { UINT16 l;
968
969 TRACE_(shell)("\n");
970
971 l = strlen(entry);
972 for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
973 { if( lstrncmpiA(lpEnv, entry, l) )
974 continue;
975 if( !*(lpEnv+l) )
976 return (lpEnv + l); /* empty entry */
977 else if ( *(lpEnv+l)== '=' )
978 return (lpEnv + l + 1);
979 }
980 return NULL;
981 }
982
983 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
984 { SEGPTR spEnv;
985 LPSTR lpEnv,lpString;
986 TRACE_(shell)("\n");
987
988 spEnv = GetDOSEnvironment16();
989
990 lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv);
991 lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
992
993 if( lpString ) /* offset should be small enough */
994 return spEnv + (lpString - lpEnv);
995 return (SEGPTR)NULL;
996 }
997
998 /*************************************************************************
999 * DoEnvironmentSubst [SHELL.37]
1000 *
1001 * Replace %KEYWORD% in the str with the value of variable KEYWORD
1002 * from "DOS" environment.
1003 */
1004 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
1005 {
1006 LPSTR lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment16());
1007 LPSTR lpBuffer = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length);
1008 LPSTR lpstr = str;
1009 LPSTR lpbstr = lpBuffer;
1010
1011 CharToOemA(str,str);
1012
1013 TRACE_(shell)("accept %s\n", str);
1014
1015 while( *lpstr && lpbstr - lpBuffer < length )
1016 {
1017 LPSTR lpend = lpstr;
1018
1019 if( *lpstr == '%' )
1020 {
1021 do { lpend++; } while( *lpend && *lpend != '%' );
1022 if( *lpend == '%' && lpend - lpstr > 1 ) /* found key */
1023 {
1024 LPSTR lpKey;
1025 *lpend = '\0';
1026 lpKey = SHELL_FindString(lpEnv, lpstr+1);
1027 if( lpKey ) /* found key value */
1028 {
1029 int l = strlen(lpKey);
1030
1031 if( l > length - (lpbstr - lpBuffer) - 1 )
1032 {
1033 WARN_(shell)("-- Env subst aborted - string too short\n");
1034 *lpend = '%';
1035 break;
1036 }
1037 strcpy(lpbstr, lpKey);
1038 lpbstr += l;
1039 }
1040 else break;
1041 *lpend = '%';
1042 lpstr = lpend + 1;
1043 }
1044 else break; /* back off and whine */
1045
1046 continue;
1047 }
1048
1049 *lpbstr++ = *lpstr++;
1050 }
1051
1052 *lpbstr = '\0';
1053 if( lpstr - str == strlen(str) )
1054 {
1055 strncpy(str, lpBuffer, length);
1056 length = 1;
1057 }
1058 else
1059 length = 0;
1060
1061 TRACE_(shell)("-- return %s\n", str);
1062
1063 OemToCharA(str,str);
1064 HeapFree( GetProcessHeap(), 0, lpBuffer);
1065
1066 /* Return str length in the LOWORD
1067 * and 1 in HIWORD if subst was successful.
1068 */
1069 return (DWORD)MAKELONG(strlen(str), length);
1070 }
1071
1072 /*************************************************************************
1073 * ShellHookProc [SHELL.103]
1074 * System-wide WH_SHELL hook.
1075 */
1076 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
1077 {
1078 TRACE_(shell)("%i, %04x, %08x\n", code, wParam,
1079 (unsigned)lParam );
1080 if( SHELL_hHook && SHELL_hWnd )
1081 {
1082 UINT16 uMsg = 0;
1083 switch( code )
1084 {
1085 case HSHELL_WINDOWCREATED: uMsg = uMsgWndCreated; break;
1086 case HSHELL_WINDOWDESTROYED: uMsg = uMsgWndDestroyed; break;
1087 case HSHELL_ACTIVATESHELLWINDOW: uMsg = uMsgShellActivate;
1088 }
1089 PostMessage16( SHELL_hWnd, uMsg, wParam, 0 );
1090 }
1091 return CallNextHookEx16( WH_SHELL, code, wParam, lParam );
1092 }
1093
1094 /*************************************************************************
1095 * RegisterShellHook [SHELL.102]
1096 */
1097 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
1098 { TRACE_(shell)("%04x [%u]\n", hWnd, uAction );
1099
1100 switch( uAction )
1101 { case 2: /* register hWnd as a shell window */
1102 if( !SHELL_hHook )
1103 { HMODULE16 hShell = GetModuleHandle16( "SHELL" );
1104 SHELL_hHook = SetWindowsHookEx16( WH_SHELL, ShellHookProc16, hShell, 0 );
1105 if( SHELL_hHook )
1106 { uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
1107 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
1108 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
1109 }
1110 else
1111 WARN_(shell)("-- unable to install ShellHookProc()!\n");
1112 }
1113
1114 if( SHELL_hHook )
1115 return ((SHELL_hWnd = hWnd) != 0);
1116 break;
1117
1118 default:
1119 WARN_(shell)("-- unknown code %i\n", uAction );
1120 /* just in case */
1121 SHELL_hWnd = 0;
1122 }
1123 return FALSE;
1124 }
Quick hack tree for wine patches julliard doesn't want to commit