source: trunk/src/shell32/new/shell.cpp@ 855

Last change on this file since 855 was 855, checked in by phaller, 26 years ago

Fix: can compile now
File size: 15.3 KB
Line 
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
12#include <odin.h>
13
14#define ICOM_CINTERFACE 1
15#define CINTERFACE 1
16
17//#include "wine/winuser16.h"
18//#include "wine/winbase16.h"
19//#include "wine/shell16.h"
20#include "winerror.h"
21//#include "file.h"
22#include "heap.h"
23#include "ldt.h"
24#include "module.h"
25#include "neexe.h"
26#include "dlgs.h"
27#include "cursoricon.h"
28#include "shellapi.h"
29#include "shlobj.h"
30#include "debugtools.h"
31#include "winreg.h"
32//#include "syslevel.h"
33#include "imagelist.h"
34
35#include <heapstring.h>
36#include <misc.h>
37
38DECLARE_DEBUG_CHANNEL(exec)
39DECLARE_DEBUG_CHANNEL(shell)
40
41/* .ICO file ICONDIR definitions */
42
43#include "pshpack1.h"
44
45typedef struct
46{
47 BYTE bWidth; /* Width, in pixels, of the image */
48 BYTE bHeight; /* Height, in pixels, of the image */
49 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
50 BYTE bReserved; /* Reserved ( must be 0) */
51 WORD wPlanes; /* Color Planes */
52 WORD wBitCount; /* Bits per pixel */
53 DWORD dwBytesInRes; /* How many bytes in this resource? */
54 DWORD dwImageOffset; /* Where in the file is this image? */
55} icoICONDIRENTRY, *LPicoICONDIRENTRY;
56
57typedef struct
58{
59 WORD idReserved; /* Reserved (must be 0) */
60 WORD idType; /* Resource Type (1 for icons) */
61 WORD idCount; /* How many images? */
62 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
63} icoICONDIR, *LPicoICONDIR;
64
65#include "poppack.h"
66
67static const char* lpstrMsgWndCreated = "OTHERWINDOWCREATED";
68static const char* lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
69static const char* lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
70
71static HWND16 SHELL_hWnd = 0;
72static HHOOK SHELL_hHook = 0;
73static UINT16 uMsgWndCreated = 0;
74static UINT16 uMsgWndDestroyed = 0;
75static UINT16 uMsgShellActivate = 0;
76HINSTANCE16 SHELL_hInstance = 0;
77HINSTANCE SHELL_hInstance32;
78static int SHELL_Attach = 0;
79
80/***********************************************************************
81 * SHELL_DllEntryPoint [SHELL.entry]
82 *
83 * Initialization code for shell.dll. Automatically loads the
84 * 32-bit shell32.dll to allow thunking up to 32-bit code.
85 *
86 * RETURNS:
87 */
88BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
89 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
90{
91 TRACE_(shell)("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n",
92 Reason, hInst, ds, HeapSize, res1, res2);
93
94 switch(Reason)
95 {
96 case DLL_PROCESS_ATTACH:
97 SHELL_Attach++;
98 if (SHELL_hInstance)
99 {
100 ERR_(shell)("shell.dll instantiated twice!\n");
101 /*
102 * We should return FALSE here, but that will break
103 * most apps that use CreateProcess because we do
104 * not yet support seperate address-spaces.
105 */
106 return TRUE;
107 }
108
109 SHELL_hInstance = hInst;
110 if(!SHELL_hInstance32)
111 {
112 if(!(SHELL_hInstance32 = LoadLibraryA("shell32.dll")))
113 {
114 ERR_(shell)("Could not load sibling shell32.dll\n");
115 return FALSE;
116 }
117 }
118 break;
119
120 case DLL_PROCESS_DETACH:
121 if(!--SHELL_Attach)
122 {
123 SHELL_hInstance = 0;
124 if(SHELL_hInstance32)
125 FreeLibrary(SHELL_hInstance32);
126 }
127 break;
128 }
129 return TRUE;
130}
131
132/*************************************************************************
133 * DragAcceptFiles32 [SHELL32.54]
134 */
135void WINAPI DragAcceptFiles(HWND hWnd, BOOL b)
136{
137 LONG exstyle;
138
139
140 if( !IsWindow(hWnd) )
141 return;
142 exstyle = GetWindowLongA(hWnd,GWL_EXSTYLE);
143 if (b)exstyle |= WS_EX_ACCEPTFILES;
144 else exstyle &= ~WS_EX_ACCEPTFILES;
145 SetWindowLongA(hWnd,GWL_EXSTYLE,exstyle);
146}
147
148/*************************************************************************
149 * SHELL_DragQueryFile [internal]
150 *
151 */
152static UINT SHELL_DragQueryFile(LPSTR lpDrop, LPWSTR lpwDrop, UINT lFile,
153 LPSTR lpszFile, LPWSTR lpszwFile, UINT lLength)
154{
155 UINT i;
156
157 i = 0;
158 if (lpDrop) {
159 while (i++ < lFile) {
160 while (*lpDrop++); /* skip filename */
161 if (!*lpDrop)
162 return (lFile == 0xFFFFFFFF) ? i : 0;
163 }
164 }
165 if (lpwDrop) {
166 while (i++ < lFile) {
167 while (*lpwDrop++); /* skip filename */
168 if (!*lpwDrop)
169 return (lFile == 0xFFFFFFFF) ? i : 0;
170 }
171 }
172
173 if (lpDrop) i = lstrlenA(lpDrop);
174 if (lpwDrop) i = lstrlenW(lpwDrop);
175 i++;
176 if (!lpszFile && !lpszwFile) {
177 return i; /* needed buffer size */
178 }
179 i = (lLength > i) ? i : lLength;
180 if (lpszFile) {
181 if (lpDrop) lstrcpynA (lpszFile, lpDrop, i);
182 else lstrcpynWtoA(lpszFile, lpwDrop, i);
183 } else {
184 if (lpDrop) lstrcpynAtoW(lpszwFile, lpDrop, i);
185 else lstrcpynW (lpszwFile, lpwDrop, i);
186 }
187 return i;
188}
189
190/*************************************************************************
191 * DragQueryFile32A [SHELL32.81] [shell32.82]
192 */
193UINT WINAPI DragQueryFileA(HDROP hDrop, UINT lFile, LPSTR lpszFile,
194 UINT lLength)
195{ /* hDrop is a global memory block allocated with GMEM_SHARE
196 * with DROPFILESTRUCT as a header and filenames following
197 * it, zero length filename is in the end */
198
199 LPDROPFILESTRUCT lpDropFileStruct;
200 LPSTR lpCurrent;
201 UINT i;
202
203 TRACE_(shell)("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszFile,lLength);
204
205 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
206 if(!lpDropFileStruct)
207 return 0;
208
209 lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->lSize;
210 i = SHELL_DragQueryFile(lpCurrent, NULL, lFile, lpszFile, NULL, lLength);
211 GlobalUnlock(hDrop);
212 return i;
213}
214
215/*************************************************************************
216 * DragQueryFile32W [shell32.133]
217 */
218UINT WINAPI DragQueryFileW(HDROP hDrop, UINT lFile, LPWSTR lpszwFile,
219 UINT lLength)
220{
221 LPDROPFILESTRUCT lpDropFileStruct;
222 LPWSTR lpwCurrent;
223 UINT i;
224
225 TRACE_(shell)("(%08x, %x, %p, %u)\n", hDrop,lFile,lpszwFile,lLength);
226
227 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
228 if(!lpDropFileStruct)
229 return 0;
230
231 lpwCurrent = (LPWSTR) lpDropFileStruct + lpDropFileStruct->lSize;
232 i = SHELL_DragQueryFile(NULL, lpwCurrent, lFile, NULL, lpszwFile,lLength);
233 GlobalUnlock(hDrop);
234 return i;
235}
236
237
238/*************************************************************************
239 * DragFinish32 [SHELL32.80]
240 */
241void WINAPI DragFinish(HDROP h)
242{ TRACE_(shell)("\n");
243 GlobalFree((HGLOBAL)h);
244}
245
246/*************************************************************************
247 * DragFinish16 [SHELL.12]
248 */
249void WINAPI DragFinish16(HDROP16 h)
250{ TRACE_(shell)("\n");
251 GlobalFree16((HGLOBAL16)h);
252}
253
254
255/*************************************************************************
256 * DragQueryPoint32 [SHELL32.135]
257 */
258BOOL WINAPI DragQueryPoint(HDROP hDrop, POINT *p)
259{
260 LPDROPFILESTRUCT lpDropFileStruct;
261 BOOL bRet;
262 TRACE_(shell)("\n");
263 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
264
265 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT));
266 bRet = lpDropFileStruct->fInNonClientArea;
267
268 GlobalUnlock(hDrop);
269 return bRet;
270}
271
272/*************************************************************************
273 * DragQueryPoint16 [SHELL.13]
274 */
275BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
276{
277 LPDROPFILESTRUCT16 lpDropFileStruct;
278 BOOL16 bRet;
279 TRACE_(shell)("\n");
280 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
281
282 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
283 bRet = lpDropFileStruct->fInNonClientArea;
284
285 GlobalUnlock16(hDrop);
286 return bRet;
287}
288
289/*************************************************************************
290 * SHELL_FindExecutable [Internal]
291 *
292 * Utility for code sharing between FindExecutable and ShellExecute
293 */
294HINSTANCE SHELL_FindExecutable( LPCSTR lpFile,
295 LPCSTR lpOperation,
296 LPSTR lpResult)
297{ char *extension = NULL; /* pointer to file extension */
298 char tmpext[5]; /* local copy to mung as we please */
299 char filetype[256]; /* registry name for this filetype */
300 LONG filetypelen=256; /* length of above */
301 char command[256]; /* command from registry */
302 LONG commandlen=256; /* This is the most DOS can handle :) */
303 char buffer[256]; /* Used to GetProfileString */
304 HINSTANCE retval=31; /* default - 'No association was found' */
305 char *tok; /* token pointer */
306 int i; /* random counter */
307 char xlpFile[256]; /* result of SearchPath */
308
309 TRACE_(shell)("%s\n", (lpFile != NULL?lpFile:"-") );
310
311 lpResult[0]='\0'; /* Start off with an empty return string */
312
313 /* trap NULL parameters on entry */
314 if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
315 { WARN_(exec)("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
316 lpFile, lpOperation, lpResult);
317 return 2; /* File not found. Close enough, I guess. */
318 }
319
320 if (SearchPathA( NULL, lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
321 { TRACE_(shell)("SearchPath32A returned non-zero\n");
322 lpFile = xlpFile;
323 }
324
325 /* First thing we need is the file's extension */
326 extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
327 /* File->Run in progman uses */
328 /* .\FILE.EXE :( */
329 TRACE_(shell)("xlpFile=%s,extension=%s\n", xlpFile, extension);
330
331 if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
332 { WARN_(shell)("Returning 31 - No association\n");
333 return 31; /* no association */
334 }
335
336 /* Make local copy & lowercase it for reg & 'programs=' lookup */
337 lstrcpynA( tmpext, extension, 5 );
338 CharLowerA( tmpext );
339 TRACE_(shell)("%s file\n", tmpext);
340
341 /* Three places to check: */
342 /* 1. win.ini, [windows], programs (NB no leading '.') */
343 /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
344 /* 3. win.ini, [extensions], extension (NB no leading '.' */
345 /* All I know of the order is that registry is checked before */
346 /* extensions; however, it'd make sense to check the programs */
347 /* section first, so that's what happens here. */
348
349 /* See if it's a program - if GetProfileString fails, we skip this
350 * section. Actually, if GetProfileString fails, we've probably
351 * got a lot more to worry about than running a program... */
352 if ( GetProfileStringA("windows", "programs", "exe pif bat com",
353 buffer, sizeof(buffer)) > 0 )
354 { for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
355
356 tok = strtok(buffer, " \t"); /* ? */
357 while( tok!= NULL)
358 {
359 if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
360 {
361 strcpy(lpResult, xlpFile);
362 /* Need to perhaps check that the file has a path
363 * attached */
364 TRACE_(shell)("found %s\n", lpResult);
365 return 33;
366
367 /* Greater than 32 to indicate success FIXME According to the
368 * docs, I should be returning a handle for the
369 * executable. Does this mean I'm supposed to open the
370 * executable file or something? More RTFM, I guess... */
371 }
372 tok=strtok(NULL, " \t");
373 }
374 }
375
376 /* Check registry */
377 if (RegQueryValueA( HKEY_CLASSES_ROOT, tmpext, filetype,
378 &filetypelen ) == ERROR_SUCCESS )
379 {
380 filetype[filetypelen]='\0';
381 TRACE_(shell)("File type: %s\n", filetype);
382
383 /* Looking for ...buffer\shell\lpOperation\command */
384 strcat( filetype, "\\shell\\" );
385 strcat( filetype, lpOperation );
386 strcat( filetype, "\\command" );
387
388 if (RegQueryValueA( HKEY_CLASSES_ROOT, filetype, command,
389 &commandlen ) == ERROR_SUCCESS )
390 {
391 /* Is there a replace() function anywhere? */
392 command[commandlen]='\0';
393 strcpy( lpResult, command );
394 tok=strstr( lpResult, "%1" );
395 if (tok != NULL)
396 {
397 tok[0]='\0'; /* truncate string at the percent */
398 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
399 tok=strstr( command, "%1" );
400 if ((tok!=NULL) && (strlen(tok)>2))
401 {
402 strcat( lpResult, &tok[2] );
403 }
404 }
405 retval=33; /* FIXME see above */
406 }
407 }
408 else /* Check win.ini */
409 {
410 /* Toss the leading dot */
411 extension++;
412 if ( GetProfileStringA( "extensions", extension, "", command,
413 sizeof(command)) > 0)
414 {
415 if (strlen(command)!=0)
416 {
417 strcpy( lpResult, command );
418 tok=strstr( lpResult, "^" ); /* should be ^.extension? */
419 if (tok != NULL)
420 {
421 tok[0]='\0';
422 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
423 tok=strstr( command, "^" ); /* see above */
424 if ((tok != NULL) && (strlen(tok)>5))
425 {
426 strcat( lpResult, &tok[5]);
427 }
428 }
429 retval=33; /* FIXME - see above */
430 }
431 }
432 }
433
434 TRACE_(shell)("returning %s\n", lpResult);
435 return retval;
436}
437
438
439/*************************************************************************
440 * SHELL_GetResourceTable
441 */
442static DWORD SHELL_GetResourceTable(HFILE hFile,LPBYTE *retptr)
443{ IMAGE_DOS_HEADER mz_header;
444 char magic[4];
445 int size;
446
447 TRACE_(shell)("\n");
448
449 *retptr = NULL;
450 _llseek( hFile, 0, SEEK_SET );
451 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
452 { /* .ICO file ? */
453 if (mz_header.e_cblp == 1)
454 { /* ICONHEADER.idType, must be 1 */
455 *retptr = (LPBYTE)-1;
456 return 1;
457 }
458 else
459 return 0; /* failed */
460 }
461 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
462
463 if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
464 return 0;
465
466 _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
467
468 if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
469 return IMAGE_NT_SIGNATURE;
470
471 if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
472 { IMAGE_OS2_HEADER ne_header;
473 LPBYTE pTypeInfo = (LPBYTE)-1;
474
475 if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
476 return 0;
477
478 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
479 return 0;
480
481 size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
482
483//@@@PH no NE support
484#if 0
485 if( size > sizeof(NE_TYPEINFO) )
486 { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
487 if( pTypeInfo )
488 { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
489 if( _lread( hFile, (char*)pTypeInfo, size) != size )
490 { HeapFree( GetProcessHeap(), 0, pTypeInfo);
491 pTypeInfo = NULL;
492 }
493 }
494 }
495#endif
496
497 *retptr = pTypeInfo;
498 return IMAGE_OS2_SIGNATURE;
499 }
500 return 0; /* failed */
501}
502
503
504/*************************************************************************
505 * ExtractAssociatedIcon [SHELL.36]
506 *
507 * Return icon for given file (either from file itself or from associated
508 * executable) and patch parameters if needed.
509 */
510HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
511{ TRACE_(shell)("\n");
512 HICON hIcon;
513
514 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
515
516 if( hIcon < 2 )
517 { if( hIcon == 1 ) /* no icons found in given file */
518 { char tempPath[0x104];
519 UINT16 uRet = FindExecutableA(lpIconPath,NULL,tempPath);
520
521 if( uRet > 32 && tempPath[0] )
522 { strcpy(lpIconPath,tempPath);
523 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
524 if( hIcon > 2 )
525 return hIcon;
526 }
527 else hIcon = 0;
528 }
529
530 if( hIcon == 1 )
531 *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
532 else
533 *lpiIcon = 6; /* generic icon - found nothing */
534
535 GetModuleFileNameA(hInst, lpIconPath, 0x80);
536 hIcon = LoadIconA( hInst, (LPCSTR)*lpiIcon);
537 }
538 return hIcon;
539}
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