git.oblomov.eu Git - wine/blob - dlls/shell32/shell.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  *  1998 Marcus Meissner
   5  *  2002 Eric Pouech
   6  */
   7
   8 #include "config.h"
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include <ctype.h>
  14
  15 #include "windef.h"
  16 #include "winerror.h"
  17 #include "winreg.h"
  18 #include "dlgs.h"
  19 #include "shellapi.h"
  20 #include "shlobj.h"
  21 #include "shlwapi.h"
  22 #include "ddeml.h"
  23
  24 #include "wine/winbase16.h"
  25 #include "wine/winuser16.h"
  26 #include "shell32_main.h"
  27
  28 #include "debugtools.h"
  29
  30 DEFAULT_DEBUG_CHANNEL(shell);
  31 DECLARE_DEBUG_CHANNEL(exec);
  32
  33
  34 typedef struct {     /* structure for dropped files */
  35  WORD     wSize;
  36  POINT16  ptMousePos;
  37  BOOL16   fInNonClientArea;
  38  /* memory block with filenames follows */
  39 } DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
  40
  41 static const char*      lpstrMsgWndCreated = "OTHERWINDOWCREATED";
  42 static const char*      lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
  43 static const char*      lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
  44
  45 static HWND16   SHELL_hWnd = 0;
  46 static HHOOK    SHELL_hHook = 0;
  47 static UINT16   uMsgWndCreated = 0;
  48 static UINT16   uMsgWndDestroyed = 0;
  49 static UINT16   uMsgShellActivate = 0;
  50 HINSTANCE16     SHELL_hInstance = 0;
  51 HINSTANCE SHELL_hInstance32;
  52 static int SHELL_Attach = 0;
  53
  54 /***********************************************************************
  55  * DllEntryPoint [SHELL.101]
  56  *
  57  * Initialization code for shell.dll. Automatically loads the
  58  * 32-bit shell32.dll to allow thunking up to 32-bit code.
  59  *
  60  * RETURNS:
  61  */
  62 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
  63                                 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
  64 {
  65     TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n",
  66           Reason, hInst, ds, HeapSize, res1, res2);
  67
  68     switch(Reason)
  69     {
  70     case DLL_PROCESS_ATTACH:
  71         if (SHELL_Attach++) break;
  72         SHELL_hInstance = hInst;
  73         if(!SHELL_hInstance32)
  74         {
  75             if(!(SHELL_hInstance32 = LoadLibraryA("shell32.dll")))
  76             {
  77                 ERR("Could not load sibling shell32.dll\n");
  78                 return FALSE;
  79             }
  80         }
  81         break;
  82
  83     case DLL_PROCESS_DETACH:
  84         if(!--SHELL_Attach)
  85         {
  86             SHELL_hInstance = 0;
  87             if(SHELL_hInstance32)
  88                 FreeLibrary(SHELL_hInstance32);
  89         }
  90         break;
  91     }
  92     return TRUE;
  93 }
  94
  95 /*************************************************************************
  96  *                              DragAcceptFiles         [SHELL.9]
  97  */
  98 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
  99 {
 100   DragAcceptFiles(hWnd, b);
 101 }
 102
 103 /*************************************************************************
 104  *                              DragQueryFile           [SHELL.11]
 105  */
 106 UINT16 WINAPI DragQueryFile16(
 107         HDROP16 hDrop,
 108         WORD wFile,
 109         LPSTR lpszFile,
 110         WORD wLength)
 111 {
 112         LPSTR lpDrop;
 113         UINT i = 0;
 114         LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 115
 116         TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
 117
 118         if(!lpDropFileStruct) goto end;
 119
 120         lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
 121         wFile = (wFile==0xffff) ? 0xffffffff : wFile;
 122
 123         while (i++ < wFile)
 124         {
 125           while (*lpDrop++); /* skip filename */
 126           if (!*lpDrop)
 127           {
 128             i = (wFile == 0xFFFFFFFF) ? i : 0;
 129             goto end;
 130           }
 131         }
 132
 133         i = strlen(lpDrop);
 134         i++;
 135         if (!lpszFile ) goto end;   /* needed buffer size */
 136         i = (wLength > i) ? i : wLength;
 137         lstrcpynA (lpszFile,  lpDrop,  i);
 138 end:
 139         GlobalUnlock16(hDrop);
 140         return i;
 141 }
 142
 143 /*************************************************************************
 144  *                              DragFinish              [SHELL.12]
 145  */
 146 void WINAPI DragFinish16(HDROP16 h)
 147 {
 148     TRACE("\n");
 149     GlobalFree16((HGLOBAL16)h);
 150 }
 151
 152
 153 /*************************************************************************
 154  *                              DragQueryPoint          [SHELL.13]
 155  */
 156 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
 157 {
 158   LPDROPFILESTRUCT16 lpDropFileStruct;
 159   BOOL16           bRet;
 160   TRACE("\n");
 161   lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 162
 163   memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 164   bRet = lpDropFileStruct->fInNonClientArea;
 165
 166   GlobalUnlock16(hDrop);
 167   return bRet;
 168 }
 169
 170 /*************************************************************************
 171  *             FindExecutable   (SHELL.21)
 172  */
 173 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
 174                                      LPSTR lpResult )
 175 { return (HINSTANCE16)FindExecutableA( lpFile, lpDirectory, lpResult );
 176 }
 177
 178
 179 /*************************************************************************
 180  *             AboutDlgProc   (SHELL.33)
 181  */
 182 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 183                                LPARAM lParam )
 184 { return AboutDlgProc( hWnd, msg, wParam, lParam );
 185 }
 186
 187
 188 /*************************************************************************
 189  *             ShellAbout   (SHELL.22)
 190  */
 191 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 192                             HICON16 hIcon )
 193 { return ShellAboutA( hWnd, szApp, szOtherStuff, hIcon );
 194 }
 195
 196 /*************************************************************************
 197  *                      InternalExtractIcon             [SHELL.39]
 198  *
 199  * This abortion is called directly by Progman
 200  */
 201 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
 202                                      LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
 203 {
 204     HGLOBAL16 hRet = 0;
 205     HICON16 *RetPtr = NULL;
 206     OFSTRUCT ofs;
 207     HFILE hFile;
 208
 209         TRACE("(%04x,file %s,start %d,extract %d\n",
 210                        hInstance, lpszExeFileName, nIconIndex, n);
 211
 212         if( !n )
 213           return 0;
 214
 215         hFile = OpenFile( lpszExeFileName, &ofs, OF_READ|OF_EXIST );
 216
 217         hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 218         RetPtr = (HICON16*)GlobalLock16(hRet);
 219
 220         if (hFile == HFILE_ERROR)
 221         { /* not found - load from builtin module if available */
 222           HINSTANCE hInst = (HINSTANCE)LoadLibrary16(lpszExeFileName);
 223
 224           if (hInst < 32) /* hmm, no Win16 module - try Win32 :-) */
 225             hInst = LoadLibraryA(lpszExeFileName);
 226           if (hInst)
 227           {
 228             int i;
 229             for (i=nIconIndex; i < nIconIndex + n; i++)
 230               RetPtr[i-nIconIndex] =
 231                       (HICON16)LoadIconA(hInst, (LPCSTR)(DWORD)i);
 232             FreeLibrary(hInst);
 233             return hRet;
 234           }
 235           GlobalFree16( hRet );
 236           return 0;
 237         }
 238
 239         if (nIconIndex == (UINT16)-1)  /* get number of icons */
 240         {
 241             RetPtr[0] = PrivateExtractIconsA( ofs.szPathName, -1, 0, 0, NULL, 0, 0, 0 );
 242         }
 243         else
 244         {
 245             HRESULT res;
 246             HICON *icons;
 247             icons = HeapAlloc( GetProcessHeap(), 0, n * sizeof(*icons) );
 248             res = PrivateExtractIconsA( ofs.szPathName, nIconIndex,
 249                                         GetSystemMetrics(SM_CXICON),
 250                                         GetSystemMetrics(SM_CYICON),
 251                                         icons, 0, n, 0 );
 252             if (!res)
 253             {
 254                 int i;
 255                 for (i = 0; i < n; i++) RetPtr[i] = (HICON16)icons[i];
 256             }
 257             else
 258             {
 259                 GlobalFree16( hRet );
 260                 hRet = 0;
 261             }
 262             HeapFree( GetProcessHeap(), 0, icons );
 263         }
 264         return hRet;
 265 }
 266
 267 /*************************************************************************
 268  *             ExtractIcon   (SHELL.34)
 269  */
 270 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
 271         UINT16 nIconIndex )
 272 {   TRACE("\n");
 273     return ExtractIconA( hInstance, lpszExeFileName, nIconIndex );
 274 }
 275
 276 /*************************************************************************
 277  *             ExtractIconEx   (SHELL.40)
 278  */
 279 HICON16 WINAPI ExtractIconEx16(
 280         LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
 281         HICON16 *phiconSmall, UINT16 nIcons
 282 ) {
 283     HICON       *ilarge,*ismall;
 284     UINT16      ret;
 285     int         i;
 286
 287     if (phiconLarge)
 288         ilarge = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 289     else
 290         ilarge = NULL;
 291     if (phiconSmall)
 292         ismall = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 293     else
 294         ismall = NULL;
 295     ret = ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons);
 296     if (ilarge) {
 297         for (i=0;i<nIcons;i++)
 298             phiconLarge[i]=ilarge[i];
 299         HeapFree(GetProcessHeap(),0,ilarge);
 300     }
 301     if (ismall) {
 302         for (i=0;i<nIcons;i++)
 303             phiconSmall[i]=ismall[i];
 304         HeapFree(GetProcessHeap(),0,ismall);
 305     }
 306     return ret;
 307 }
 308
 309 /*************************************************************************
 310  *                              ExtractAssociatedIcon   [SHELL.36]
 311  *
 312  * Return icon for given file (either from file itself or from associated
 313  * executable) and patch parameters if needed.
 314  */
 315 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 316 {       HICON16 hIcon;
 317         WORD wDummyIcon = 0;
 318
 319         TRACE("\n");
 320
 321         if(lpiIcon == NULL)
 322             lpiIcon = &wDummyIcon;
 323
 324         hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
 325
 326         if( hIcon < 2 )
 327         { if( hIcon == 1 ) /* no icons found in given file */
 328           { char  tempPath[0x80];
 329             UINT16  uRet = FindExecutable16(lpIconPath,NULL,tempPath);
 330
 331             if( uRet > 32 && tempPath[0] )
 332             { strcpy(lpIconPath,tempPath);
 333               hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
 334               if( hIcon > 2 )
 335                 return hIcon;
 336             }
 337             else hIcon = 0;
 338           }
 339
 340           if( hIcon == 1 )
 341             *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 342           else
 343             *lpiIcon = 6;   /* generic icon - found nothing */
 344
 345           GetModuleFileName16(hInst, lpIconPath, 0x80);
 346           hIcon = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
 347         }
 348         return hIcon;
 349 }
 350
 351 /*************************************************************************
 352  *                              ExtractAssociatedIconA (SHELL32.@)
 353  *
 354  * Return icon for given file (either from file itself or from associated
 355  * executable) and patch parameters if needed.
 356  */
 357 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 358 {       TRACE("\n");
 359         return ExtractAssociatedIcon16(hInst,lpIconPath,lpiIcon);
 360 }
 361
 362 /*************************************************************************
 363  *                              ExtractAssociatedIconExW (SHELL32.@)
 364  *
 365  * Return icon for given file (either from file itself or from associated
 366  * executable) and patch parameters if needed.
 367  */
 368 HICON WINAPI ExtractAssociatedIconExW(DWORD d1, DWORD d2, DWORD d3, DWORD d4)
 369 {
 370   FIXME("(%lx %lx %lx %lx): stub\n", d1, d2, d3, d4);
 371   return 0;
 372 }
 373
 374 /*************************************************************************
 375  *                              FindEnvironmentString   [SHELL.38]
 376  *
 377  * Returns a pointer into the DOS environment... Ugh.
 378  */
 379 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 380 { UINT16 l;
 381
 382   TRACE("\n");
 383
 384   l = strlen(entry);
 385   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 386   { if( strncasecmp(lpEnv, entry, l) )
 387       continue;
 388         if( !*(lpEnv+l) )
 389             return (lpEnv + l);                 /* empty entry */
 390         else if ( *(lpEnv+l)== '=' )
 391             return (lpEnv + l + 1);
 392     }
 393     return NULL;
 394 }
 395
 396 /**********************************************************************/
 397
 398 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
 399 { SEGPTR  spEnv;
 400   LPSTR lpEnv,lpString;
 401   TRACE("\n");
 402
 403   spEnv = GetDOSEnvironment16();
 404
 405   lpEnv = MapSL(spEnv);
 406   lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 407
 408     if( lpString )              /*  offset should be small enough */
 409         return spEnv + (lpString - lpEnv);
 410     return (SEGPTR)NULL;
 411 }
 412
 413 /*************************************************************************
 414  *                              DoEnvironmentSubst      [SHELL.37]
 415  *
 416  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 417  * from "DOS" environment.
 418  */
 419 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
 420 {
 421   LPSTR   lpEnv = MapSL(GetDOSEnvironment16());
 422   LPSTR   lpBuffer = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length);
 423   LPSTR   lpstr = str;
 424   LPSTR   lpbstr = lpBuffer;
 425
 426   CharToOemA(str,str);
 427
 428   TRACE("accept %s\n", str);
 429
 430   while( *lpstr && lpbstr - lpBuffer < length )
 431    {
 432      LPSTR lpend = lpstr;
 433
 434      if( *lpstr == '%' )
 435        {
 436           do { lpend++; } while( *lpend && *lpend != '%' );
 437           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 438             {
 439                LPSTR lpKey;
 440               *lpend = '\0';
 441                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 442                if( lpKey )                              /* found key value */
 443                  {
 444                    int l = strlen(lpKey);
 445
 446                    if( l > length - (lpbstr - lpBuffer) - 1 )
 447                      {
 448            WARN("-- Env subst aborted - string too short\n");
 449                       *lpend = '%';
 450                        break;
 451                      }
 452                    strcpy(lpbstr, lpKey);
 453                    lpbstr += l;
 454                  }
 455                else break;
 456               *lpend = '%';
 457                lpstr = lpend + 1;
 458             }
 459           else break;                                   /* back off and whine */
 460
 461           continue;
 462        }
 463
 464      *lpbstr++ = *lpstr++;
 465    }
 466
 467  *lpbstr = '\0';
 468   if( lpstr - str == strlen(str) )
 469     {
 470       strncpy(str, lpBuffer, length);
 471       length = 1;
 472     }
 473   else
 474       length = 0;
 475
 476   TRACE("-- return %s\n", str);
 477
 478   OemToCharA(str,str);
 479   HeapFree( GetProcessHeap(), 0, lpBuffer);
 480
 481   /*  Return str length in the LOWORD
 482    *  and 1 in HIWORD if subst was successful.
 483    */
 484  return (DWORD)MAKELONG(strlen(str), length);
 485 }
 486
 487 /*************************************************************************
 488  *                              ShellHookProc           [SHELL.103]
 489  * System-wide WH_SHELL hook.
 490  */
 491 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
 492 {
 493     TRACE("%i, %04x, %08x\n", code, wParam,
 494                                                       (unsigned)lParam );
 495     if( SHELL_hHook && SHELL_hWnd )
 496     {
 497         UINT16  uMsg = 0;
 498         switch( code )
 499         {
 500             case HSHELL_WINDOWCREATED:          uMsg = uMsgWndCreated;   break;
 501             case HSHELL_WINDOWDESTROYED:        uMsg = uMsgWndDestroyed; break;
 502             case HSHELL_ACTIVATESHELLWINDOW:    uMsg = uMsgShellActivate;
 503         }
 504         PostMessageA( SHELL_hWnd, uMsg, wParam, 0 );
 505     }
 506     return CallNextHookEx16( WH_SHELL, code, wParam, lParam );
 507 }
 508
 509 /*************************************************************************
 510  *                              RegisterShellHook       [SHELL.102]
 511  */
 512 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
 513 {
 514     TRACE("%04x [%u]\n", hWnd, uAction );
 515
 516     switch( uAction )
 517     {
 518     case 2:  /* register hWnd as a shell window */
 519         if( !SHELL_hHook )
 520         {
 521             HMODULE16 hShell = GetModuleHandle16( "SHELL" );
 522             HOOKPROC16 hookProc = (HOOKPROC16)GetProcAddress16( hShell, (LPCSTR)103 );
 523             SHELL_hHook = SetWindowsHookEx16( WH_SHELL, hookProc, hShell, 0 );
 524             if ( SHELL_hHook )
 525             {
 526                 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
 527                 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
 528                 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
 529             }
 530             else
 531                 WARN("-- unable to install ShellHookProc()!\n");
 532         }
 533
 534         if ( SHELL_hHook )
 535             return ((SHELL_hWnd = hWnd) != 0);
 536         break;
 537
 538     default:
 539         WARN("-- unknown code %i\n", uAction );
 540         SHELL_hWnd = 0; /* just in case */
 541     }
 542     return FALSE;
 543 }
 544
 545
 546 /***********************************************************************
 547  *           DriveType   (SHELL.262)
 548  */
 549 UINT16 WINAPI DriveType16( UINT16 drive )
 550 {
 551     UINT ret;
 552     char path[] = "A:\\";
 553     path[0] += drive;
 554     ret = GetDriveTypeA(path);
 555     switch(ret)  /* some values are not supported in Win16 */
 556     {
 557     case DRIVE_CDROM:
 558         ret = DRIVE_REMOTE;
 559         break;
 560     case DRIVE_NO_ROOT_DIR:
 561         ret = DRIVE_UNKNOWN;
 562         break;
 563     }
 564     return ret;
 565 }