source: trunk/src/shell32/shell.cpp@ 2534

Last change on this file since 2534 was 2534, checked in by sandervl, 26 years ago

fixed fs corruption in dragacceptfiles
File size: 16.5 KB
Line 
1/* $Id: shell.cpp,v 1.4 2000-01-27 21:50:45 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 Library Functions
10 *
11 * 1998 Marcus Meissner
12 */
13
14
15/*****************************************************************************
16 * Includes *
17 *****************************************************************************/
18
19#include <odin.h>
20#include <odinwrap.h>
21#include <os2sel.h>
22
23#include <assert.h>
24#include <stdlib.h>
25#include <string.h>
26//#include <unistd.h>
27#include <ctype.h>
28
29#define ICOM_CINTERFACE 1
30#define CINTERFACE 1
31
32#include <winbase.h>
33#include <winuser.h>
34//#include "wine/shell16.h"
35#include "winerror.h"
36//#include "file.h"
37#include "heap.h"
38#include "ldt.h"
39#include "module.h"
40#include "neexe.h"
41#include "dlgs.h"
42#include "cursoricon.h"
43#include "shellapi.h"
44#include "shlobj.h"
45#include "debugtools.h"
46#include "winreg.h"
47//#include "syslevel.h"
48#include "imagelist.h"
49#include "shell32_main.h"
50
51#include <heapstring.h>
52#include <misc.h>
53
54
55/*****************************************************************************
56 * Implementation *
57 *****************************************************************************/
58
59ODINDEBUGCHANNEL(SHELL32-SHELL)
60
61
62/* .ICO file ICONDIR definitions */
63
64#include "pshpack1.h"
65
66typedef struct
67{
68 BYTE bWidth; /* Width, in pixels, of the image */
69 BYTE bHeight; /* Height, in pixels, of the image */
70 BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
71 BYTE bReserved; /* Reserved ( must be 0) */
72 WORD wPlanes; /* Color Planes */
73 WORD wBitCount; /* Bits per pixel */
74 DWORD dwBytesInRes; /* How many bytes in this resource? */
75 DWORD dwImageOffset; /* Where in the file is this image? */
76} icoICONDIRENTRY, *LPicoICONDIRENTRY;
77
78typedef struct
79{
80 WORD idReserved; /* Reserved (must be 0) */
81 WORD idType; /* Resource Type (1 for icons) */
82 WORD idCount; /* How many images? */
83 icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
84} icoICONDIR, *LPicoICONDIR;
85
86#include "poppack.h"
87
88static const char* lpstrMsgWndCreated = "OTHERWINDOWCREATED";
89static const char* lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
90static const char* lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
91
92static HWND16 SHELL_hWnd = 0;
93static HHOOK SHELL_hHook = 0;
94static UINT16 uMsgWndCreated = 0;
95static UINT16 uMsgWndDestroyed = 0;
96static UINT16 uMsgShellActivate = 0;
97HINSTANCE16 SHELL_hInstance = 0;
98HINSTANCE SHELL_hInstance32;
99static int SHELL_Attach = 0;
100
101
102/*************************************************************************
103 * DragAcceptFiles32 [SHELL32.54]
104 */
105
106//SvL: DON'T USE ODINFUNCTION MACRO'S HERE; SetWindowLong (style) sends messages
107// to the win32 app!!!! (FS messed up)
108void WINAPI DragAcceptFiles(HWND hWnd, BOOL b)
109{
110 LONG exstyle;
111
112 dprintf(("DragAcceptFiles %x %d", hWnd, b));
113 if( !IsWindow(hWnd) )
114 return;
115 exstyle = GetWindowLongA(hWnd,GWL_EXSTYLE);
116 if (b)exstyle |= WS_EX_ACCEPTFILES;
117 else exstyle &= ~WS_EX_ACCEPTFILES;
118 SetWindowLongA(hWnd,GWL_EXSTYLE,exstyle);
119}
120
121/*************************************************************************
122 * SHELL_DragQueryFile [internal]
123 *
124 */
125static UINT SHELL_DragQueryFile(LPSTR lpDrop, LPWSTR lpwDrop, UINT lFile,
126 LPSTR lpszFile, LPWSTR lpszwFile, UINT lLength)
127{
128 UINT i;
129
130 i = 0;
131 if (lpDrop) {
132 while (i++ < lFile) {
133 while (*lpDrop++); /* skip filename */
134 if (!*lpDrop)
135 return (lFile == 0xFFFFFFFF) ? i : 0;
136 }
137 }
138 if (lpwDrop) {
139 while (i++ < lFile) {
140 while (*lpwDrop++); /* skip filename */
141 if (!*lpwDrop)
142 return (lFile == 0xFFFFFFFF) ? i : 0;
143 }
144 }
145
146 if (lpDrop) i = lstrlenA(lpDrop);
147 if (lpwDrop) i = lstrlenW(lpwDrop);
148 i++;
149 if (!lpszFile && !lpszwFile) {
150 return i; /* needed buffer size */
151 }
152 i = (lLength > i) ? i : lLength;
153 if (lpszFile) {
154 if (lpDrop) lstrcpynA (lpszFile, lpDrop, i);
155 else lstrcpynWtoA(lpszFile, lpwDrop, i);
156 } else {
157 if (lpDrop) lstrcpynAtoW(lpszwFile, lpDrop, i);
158 else lstrcpynW (lpszwFile, lpwDrop, i);
159 }
160 return i;
161}
162
163/*************************************************************************
164 * DragQueryFile32A [SHELL32.81] [shell32.82]
165 */
166
167ODINFUNCTION4(UINT, DragQueryFileA, HDROP, hDrop,
168 UINT, lFile,
169 LPSTR, lpszFile,
170 UINT, lLength)
171{ /* hDrop is a global memory block allocated with GMEM_SHARE
172 * with DROPFILESTRUCT as a header and filenames following
173 * it, zero length filename is in the end */
174
175 LPDROPFILESTRUCT lpDropFileStruct;
176 LPSTR lpCurrent;
177 UINT i;
178
179 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
180 if(!lpDropFileStruct)
181 return 0;
182
183 lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->lSize;
184 i = SHELL_DragQueryFile(lpCurrent, NULL, lFile, lpszFile, NULL, lLength);
185 GlobalUnlock(hDrop);
186 return i;
187}
188
189/*************************************************************************
190 * DragQueryFile32W [shell32.133]
191 */
192ODINFUNCTION4(UINT, DragQueryFileW, HDROP, hDrop,
193 UINT, lFile,
194 LPWSTR, lpszwFile,
195 UINT, lLength)
196{
197 LPDROPFILESTRUCT lpDropFileStruct;
198 LPWSTR lpwCurrent;
199 UINT i;
200
201 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
202 if(!lpDropFileStruct)
203 return 0;
204
205 lpwCurrent = (LPWSTR) lpDropFileStruct + lpDropFileStruct->lSize;
206 i = SHELL_DragQueryFile(NULL, lpwCurrent, lFile, NULL, lpszwFile,lLength);
207 GlobalUnlock(hDrop);
208 return i;
209}
210
211
212/*****************************************************************************
213 * Name : UINT DragQueryFileAorW
214 * Purpose :
215 * Parameters: HDROP hDrop - drop structure handle
216 * UINT iFile - index of file to query
217 * LPTSTR lpszFile - target buffer
218 * UINT cch - target buffer size
219 * Variables :
220 * Result :
221 * Remark :
222 * Status : UNTESTED STUB
223 *
224 * Author : Patrick Haller [Tue, 1999/06/09 20:00]
225 *****************************************************************************/
226
227ODINFUNCTION4(UINT, DragQueryFileAorW,
228 HDROP, hDrop,
229 UINT, iFile,
230 LPTSTR, lpszFile,
231 UINT, cch)
232{
233 // @@@PH maybe they want automatic determination here
234 if (VERSION_OsIsUnicode())
235 return DragQueryFileW(hDrop, iFile, (LPWSTR)lpszFile, cch);
236 else
237 return DragQueryFileA(hDrop, iFile, lpszFile, cch);
238}
239
240
241/*************************************************************************
242 * DragFinish32 [SHELL32.80]
243 */
244ODINPROCEDURE1(DragFinish, HDROP, h)
245{
246 GlobalFree((HGLOBAL)h);
247}
248
249
250/*************************************************************************
251 * DragQueryPoint32 [SHELL32.135]
252 */
253ODINFUNCTION2(BOOL, DragQueryPoint,
254 HDROP, hDrop,
255 POINT*, p)
256{
257 LPDROPFILESTRUCT lpDropFileStruct;
258 BOOL bRet;
259
260 lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock(hDrop);
261
262 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT));
263 bRet = lpDropFileStruct->fInNonClientArea;
264
265 GlobalUnlock(hDrop);
266 return bRet;
267}
268
269/*************************************************************************
270 * SHELL_FindExecutable [Internal]
271 *
272 * Utility for code sharing between FindExecutable and ShellExecute
273 */
274HINSTANCE SHELL_FindExecutable( LPCSTR lpFile,
275 LPCSTR lpOperation,
276 LPSTR lpResult)
277{ char *extension = NULL; /* pointer to file extension */
278 char tmpext[5]; /* local copy to mung as we please */
279 char filetype[256]; /* registry name for this filetype */
280 LONG filetypelen=256; /* length of above */
281 char command[256]; /* command from registry */
282 LONG commandlen=256; /* This is the most DOS can handle :) */
283 char buffer[256]; /* Used to GetProfileString */
284 HINSTANCE retval=31; /* default - 'No association was found' */
285 char *tok; /* token pointer */
286 int i; /* random counter */
287 char xlpFile[256]; /* result of SearchPath */
288
289 dprintf(("SHELL32:SHELL:SHELL_FindExecutable(%s,%s,%08xh)\n",
290 lpFile,
291 lpOperation,
292 lpResult));
293
294 lpResult[0]='\0'; /* Start off with an empty return string */
295
296 /* trap NULL parameters on entry */
297 if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
298 { dprintf(("SHELL32:SHELL:SHELL_FindExecutable(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
299 lpFile, lpOperation, lpResult));
300 return 2; /* File not found. Close enough, I guess. */
301 }
302
303 if (SearchPathA( NULL, lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
304 { dprintf(("SHELL32:SHELL:SHELL_FindExecutable(SearchPath32A returned non-zero\n"));
305 lpFile = xlpFile;
306 }
307
308 /* First thing we need is the file's extension */
309 extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
310 /* File->Run in progman uses */
311 /* .\FILE.EXE :( */
312 dprintf(("SHELL32:SHELL:SHELL_FindExecutable(xlpFile=%s,extension=%s)\n",
313 xlpFile, extension));
314
315 if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
316 { dprintf(("SHELL32:SHELL:SHELL_FindExecutable Returning 31 - No association\n"));
317 return 31; /* no association */
318 }
319
320 /* Make local copy & lowercase it for reg & 'programs=' lookup */
321 lstrcpynA( tmpext, extension, 5 );
322 CharLowerA( tmpext );
323
324
325 dprintf(("SHELL32:SHELL:SHELL_FindExecutable(%s file)\n", tmpext));
326
327 /* Three places to check: */
328 /* 1. win.ini, [windows], programs (NB no leading '.') */
329 /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
330 /* 3. win.ini, [extensions], extension (NB no leading '.' */
331 /* All I know of the order is that registry is checked before */
332 /* extensions; however, it'd make sense to check the programs */
333 /* section first, so that's what happens here. */
334
335 /* See if it's a program - if GetProfileString fails, we skip this
336 * section. Actually, if GetProfileString fails, we've probably
337 * got a lot more to worry about than running a program... */
338 if ( GetProfileStringA("windows", "programs", "exe pif bat com",
339 buffer, sizeof(buffer)) > 0 )
340 { for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
341
342 tok = strtok(buffer, " \t"); /* ? */
343 while( tok!= NULL)
344 {
345 if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
346 {
347 strcpy(lpResult, xlpFile);
348 /* Need to perhaps check that the file has a path
349 * attached */
350 dprintf(("SHELL32:SHELL:SHELL_FindExecutable found %s\n",
351 lpResult));
352 return 33;
353
354 /* Greater than 32 to indicate success FIXME According to the
355 * docs, I should be returning a handle for the
356 * executable. Does this mean I'm supposed to open the
357 * executable file or something? More RTFM, I guess... */
358 }
359 tok=strtok(NULL, " \t");
360 }
361 }
362
363 /* Check registry */
364 if (RegQueryValueA( HKEY_CLASSES_ROOT, tmpext, filetype,
365 &filetypelen ) == ERROR_SUCCESS )
366 {
367 filetype[filetypelen]='\0';
368 dprintf(("SHELL32:SHELL:SHELL_FindExecutable(File type: %s)\n",
369 filetype));
370
371 /* Looking for ...buffer\shell\lpOperation\command */
372 strcat( filetype, "\\shell\\" );
373 strcat( filetype, lpOperation );
374 strcat( filetype, "\\command" );
375
376 if (RegQueryValueA( HKEY_CLASSES_ROOT, filetype, command,
377 &commandlen ) == ERROR_SUCCESS )
378 {
379 /* Is there a replace() function anywhere? */
380 command[commandlen]='\0';
381 strcpy( lpResult, command );
382 tok=strstr( lpResult, "%1" );
383 if (tok != NULL)
384 {
385 tok[0]='\0'; /* truncate string at the percent */
386 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
387 tok=strstr( command, "%1" );
388 if ((tok!=NULL) && (strlen(tok)>2))
389 {
390 strcat( lpResult, &tok[2] );
391 }
392 }
393 retval=33; /* FIXME see above */
394 }
395 }
396 else /* Check win.ini */
397 {
398 /* Toss the leading dot */
399 extension++;
400 if ( GetProfileStringA( "extensions", extension, "", command,
401 sizeof(command)) > 0)
402 {
403 if (strlen(command)!=0)
404 {
405 strcpy( lpResult, command );
406 tok=strstr( lpResult, "^" ); /* should be ^.extension? */
407 if (tok != NULL)
408 {
409 tok[0]='\0';
410 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
411 tok=strstr( command, "^" ); /* see above */
412 if ((tok != NULL) && (strlen(tok)>5))
413 {
414 strcat( lpResult, &tok[5]);
415 }
416 }
417 retval=33; /* FIXME - see above */
418 }
419 }
420 }
421
422 dprintf(("SHELL32:SHELL:SHELL_FindExecutable (returning %s)\n", lpResult));
423 return retval;
424}
425
426
427/*************************************************************************
428 * SHELL_GetResourceTable
429 */
430static DWORD SHELL_GetResourceTable(HFILE hFile,LPBYTE *retptr)
431{ IMAGE_DOS_HEADER mz_header;
432 char magic[4];
433 int size;
434
435 dprintf(("SHELL32:Shell:SHELL_GetResourceTable(%08xh,%08xh)\n",
436 hFile,
437 retptr));
438
439 *retptr = NULL;
440 _llseek( hFile, 0, SEEK_SET );
441 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
442 { /* .ICO file ? */
443 if (mz_header.e_cblp == 1)
444 { /* ICONHEADER.idType, must be 1 */
445 *retptr = (LPBYTE)-1;
446 return 1;
447 }
448 else
449 return 0; /* failed */
450 }
451 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
452
453 if (_lread( hFile, magic, sizeof(magic) ) != sizeof(magic))
454 return 0;
455
456 _llseek( hFile, mz_header.e_lfanew, SEEK_SET);
457
458 if (*(DWORD*)magic == IMAGE_NT_SIGNATURE)
459 return IMAGE_NT_SIGNATURE;
460
461 if (*(WORD*)magic == IMAGE_OS2_SIGNATURE)
462 { IMAGE_OS2_HEADER ne_header;
463 LPBYTE pTypeInfo = (LPBYTE)-1;
464
465 if (_lread(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header))
466 return 0;
467
468 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE)
469 return 0;
470
471 size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
472
473//@@@PH no NE support
474#if 0
475 if( size > sizeof(NE_TYPEINFO) )
476 { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size);
477 if( pTypeInfo )
478 { _llseek(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET);
479 if( _lread( hFile, (char*)pTypeInfo, size) != size )
480 { HeapFree( GetProcessHeap(), 0, pTypeInfo);
481 pTypeInfo = NULL;
482 }
483 }
484 }
485#endif
486
487 *retptr = pTypeInfo;
488 return IMAGE_OS2_SIGNATURE;
489 }
490 return 0; /* failed */
491}
492
493
494/*************************************************************************
495 * ExtractAssociatedIcon [SHELL.36]
496 *
497 * Return icon for given file (either from file itself or from associated
498 * executable) and patch parameters if needed.
499 */
500ODINFUNCTION3(HICON, ExtractAssociatedIconA,
501 HINSTANCE, hInst,
502 LPSTR, lpIconPath,
503 LPWORD, lpiIcon)
504{
505 HICON hIcon;
506
507 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
508
509 if( hIcon < 2 )
510 { if( hIcon == 1 ) /* no icons found in given file */
511 { char tempPath[0x104];
512 UINT16 uRet = FindExecutableA(lpIconPath,NULL,tempPath);
513
514 if( uRet > 32 && tempPath[0] )
515 { strcpy(lpIconPath,tempPath);
516 hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
517 if( hIcon > 2 )
518 return hIcon;
519 }
520 else hIcon = 0;
521 }
522
523 if( hIcon == 1 )
524 *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
525 else
526 *lpiIcon = 6; /* generic icon - found nothing */
527
528 GetModuleFileNameA(hInst, lpIconPath, 0x80);
529 hIcon = LoadIconA( hInst, (LPCSTR)*lpiIcon);
530 }
531 return hIcon;
532}
533
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