misc/shell.c

   1 /*
   2  *                              Shell Library Functions
   3  */
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <ctype.h>
   9 #include "windows.h"
  10 #include "file.h"
  11 #include "shell.h"
  12 #include "heap.h"
  13 #include "module.h"
  14 #include "neexe.h"
  15 #include "resource.h"
  16 #include "dlgs.h"
  17 #include "win.h"
  18 #include "cursoricon.h"
  19 #include "stddebug.h"
  20 #include "debug.h"
  21 #include "xmalloc.h"
  22 #include "winreg.h"
  23
  24 /* .ICO file ICONDIR definitions */
  25
  26 #pragma pack(1)
  27
  28 typedef struct
  29 {
  30     BYTE        bWidth;          /* Width, in pixels, of the image      */
  31     BYTE        bHeight;         /* Height, in pixels, of the image     */
  32     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  33     BYTE        bReserved;       /* Reserved ( must be 0)               */
  34     WORD        wPlanes;         /* Color Planes                        */
  35     WORD        wBitCount;       /* Bits per pixel                      */
  36     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  37     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  38 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  39
  40 typedef struct
  41 {
  42     WORD            idReserved;   /* Reserved (must be 0)               */
  43     WORD            idType;       /* Resource Type (1 for icons)        */
  44     WORD            idCount;      /* How many images?                   */
  45     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  46 } icoICONDIR, *LPicoICONDIR;
  47
  48 #pragma pack(4)
  49
  50 extern HGLOBAL16 CURSORICON_LoadHandler( HGLOBAL16, HINSTANCE16, BOOL32);
  51 extern WORD     GetIconID( HGLOBAL16 hResource, DWORD resType );
  52
  53 /*************************************************************************
  54  *                              DragAcceptFiles         [SHELL.9]
  55  */
  56 void DragAcceptFiles(HWND16 hWnd, BOOL16 b)
  57 {
  58     WND* wnd = WIN_FindWndPtr(hWnd);
  59
  60     if( wnd )
  61         wnd->dwExStyle = b? wnd->dwExStyle | WS_EX_ACCEPTFILES
  62                           : wnd->dwExStyle & ~WS_EX_ACCEPTFILES;
  63 }
  64
  65
  66 /*************************************************************************
  67  *                              DragQueryFile           [SHELL.11]
  68  */
  69 UINT16 DragQueryFile(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength)
  70 {
  71     /* hDrop is a global memory block allocated with GMEM_SHARE
  72      * with DROPFILESTRUCT as a header and filenames following
  73      * it, zero length filename is in the end */
  74
  75     LPDROPFILESTRUCT lpDropFileStruct;
  76     LPSTR lpCurrent;
  77     WORD  i;
  78
  79     dprintf_reg(stddeb,"DragQueryFile(%04x, %i, %p, %u)\n",
  80                 hDrop,wFile,lpszFile,wLength);
  81
  82     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
  83     if(!lpDropFileStruct) return 0;
  84
  85     lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
  86
  87     i = 0;
  88     while (i++ < wFile)
  89     {
  90         while (*lpCurrent++);  /* skip filename */
  91         if (!*lpCurrent)
  92             return (wFile == 0xFFFF) ? i : 0;
  93     }
  94
  95     i = strlen(lpCurrent);
  96     if (!lpszFile) return i+1;   /* needed buffer size */
  97
  98     i = (wLength > i) ? i : wLength-1;
  99     strncpy(lpszFile, lpCurrent, i);
 100     lpszFile[i] = '\0';
 101
 102     GlobalUnlock16(hDrop);
 103     return i;
 104 }
 105
 106
 107 /*************************************************************************
 108  *                              DragFinish              [SHELL.12]
 109  */
 110 void DragFinish(HDROP16 h)
 111 {
 112     GlobalFree16((HGLOBAL16)h);
 113 }
 114
 115
 116 /*************************************************************************
 117  *                              DragQueryPoint          [SHELL.13]
 118  */
 119 BOOL16 DragQueryPoint(HDROP16 hDrop, POINT16 *p)
 120 {
 121     LPDROPFILESTRUCT lpDropFileStruct;
 122     BOOL16           bRet;
 123
 124     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
 125
 126     memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 127     bRet = lpDropFileStruct->fInNonClientArea;
 128
 129     GlobalUnlock16(hDrop);
 130     return bRet;
 131 }
 132
 133 /*************************************************************************
 134  *                              SHELL_FindExecutable
 135  * Utility for code sharing between FindExecutable and ShellExecute
 136  */
 137 static HINSTANCE16 SHELL_FindExecutable( LPCSTR lpFile,
 138                                          LPCSTR lpDirectory,
 139                                          LPCSTR lpOperation,
 140                                          LPSTR lpResult)
 141 {
 142     char *extension = NULL; /* pointer to file extension */
 143     char tmpext[5];         /* local copy to mung as we please */
 144     char filetype[256];     /* registry name for this filetype */
 145     LONG filetypelen=256;   /* length of above */
 146     char command[256];      /* command from registry */
 147     LONG commandlen=256;    /* This is the most DOS can handle :) */
 148     char buffer[256];       /* Used to GetProfileString */
 149     HINSTANCE16 retval=31;  /* default - 'No association was found' */
 150     char *tok;              /* token pointer */
 151     int i;                  /* random counter */
 152     char xlpFile[256];      /* result of SearchPath */
 153
 154     dprintf_exec(stddeb, "SHELL_FindExecutable: File %s, Dir %s\n",
 155                  (lpFile != NULL?lpFile:"-"),
 156                  (lpDirectory != NULL?lpDirectory:"-"));
 157
 158     lpResult[0]='\0'; /* Start off with an empty return string */
 159
 160     /* trap NULL parameters on entry */
 161     if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
 162     {
 163         /* FIXME - should throw a warning, perhaps! */
 164         return 2; /* File not found. Close enough, I guess. */
 165     }
 166     if (SearchPath32A(lpDirectory,lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
 167         lpFile = xlpFile;
 168
 169     /* First thing we need is the file's extension */
 170     extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
 171                                         /* File->Run in progman uses */
 172                                         /* .\FILE.EXE :( */
 173     if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
 174     {
 175         return 31; /* no association */
 176     }
 177
 178     /* Make local copy & lowercase it for reg & 'programs=' lookup */
 179     lstrcpyn32A( tmpext, extension, 5 );
 180     CharLower32A( tmpext );
 181     dprintf_exec(stddeb, "SHELL_FindExecutable: %s file\n", tmpext);
 182
 183     /* Three places to check: */
 184     /* 1. win.ini, [windows], programs (NB no leading '.') */
 185     /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 186     /* 3. win.ini, [extensions], extension (NB no leading '.' */
 187     /* All I know of the order is that registry is checked before */
 188     /* extensions; however, it'd make sense to check the programs */
 189     /* section first, so that's what happens here. */
 190
 191     /* See if it's a program - if GetProfileString fails, we skip this
 192      * section. Actually, if GetProfileString fails, we've probably
 193      * got a lot more to worry about than running a program... */
 194     if ( GetProfileString32A("windows", "programs", "exe pif bat com",
 195                                                   buffer, sizeof(buffer)) > 0 )
 196           {
 197                 for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
 198
 199                 tok = strtok(buffer, " \t"); /* ? */
 200                 while( tok!= NULL)
 201                   {
 202                         if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
 203                           {
 204                                 strcpy(lpResult, xlpFile);
 205                                 /* Need to perhaps check that the file has a path
 206                                  * attached */
 207                                 dprintf_exec(stddeb, "SHELL_FindExecutable: found %s\n",
 208                                                          lpResult);
 209             return 33;
 210
 211                 /* Greater than 32 to indicate success FIXME According to the
 212                  * docs, I should be returning a handle for the
 213                  * executable. Does this mean I'm supposed to open the
 214                  * executable file or something? More RTFM, I guess... */
 215                           }
 216                         tok=strtok(NULL, " \t");
 217                   }
 218           }
 219
 220     /* Check registry */
 221     if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, tmpext, filetype,
 222                          &filetypelen ) == SHELL_ERROR_SUCCESS )
 223     {
 224         filetype[filetypelen]='\0';
 225         dprintf_exec(stddeb, "SHELL_FindExecutable: File type: %s\n",
 226                      filetype);
 227
 228         /* Looking for ...buffer\shell\lpOperation\command */
 229         strcat( filetype, "\\shell\\" );
 230         strcat( filetype, lpOperation );
 231         strcat( filetype, "\\command" );
 232
 233         if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, filetype, command,
 234                              &commandlen ) == SHELL_ERROR_SUCCESS )
 235         {
 236             /* Is there a replace() function anywhere? */
 237             command[commandlen]='\0';
 238             strcpy( lpResult, command );
 239             tok=strstr( lpResult, "%1" );
 240             if (tok != NULL)
 241             {
 242                 tok[0]='\0'; /* truncate string at the percent */
 243                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 244                 tok=strstr( command, "%1" );
 245                 if ((tok!=NULL) && (strlen(tok)>2))
 246                 {
 247                     strcat( lpResult, &tok[2] );
 248                 }
 249             }
 250             retval=33; /* FIXME see above */
 251         }
 252     }
 253     else /* Check win.ini */
 254     {
 255         /* Toss the leading dot */
 256         extension++;
 257         if ( GetProfileString32A( "extensions", extension, "", command,
 258                                   sizeof(command)) > 0)
 259           {
 260                 if (strlen(command)!=0)
 261                   {
 262                         strcpy( lpResult, command );
 263                         tok=strstr( lpResult, "^" ); /* should be ^.extension? */
 264                         if (tok != NULL)
 265                           {
 266                                 tok[0]='\0';
 267                                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 268                                 tok=strstr( command, "^" ); /* see above */
 269                                 if ((tok != NULL) && (strlen(tok)>5))
 270                                   {
 271                                         strcat( lpResult, &tok[5]);
 272                                   }
 273                           }
 274                         retval=33; /* FIXME - see above */
 275                   }
 276           }
 277         }
 278
 279     dprintf_exec(stddeb, "SHELL_FindExecutable: returning %s\n", lpResult);
 280     return retval;
 281 }
 282
 283 /*************************************************************************
 284  *                              ShellExecute16          [SHELL.20]
 285  */
 286 HINSTANCE16 ShellExecute16( HWND16 hWnd, LPCSTR lpOperation, LPCSTR lpFile,
 287                             LPCSTR lpParameters, LPCSTR lpDirectory,
 288                             INT16 iShowCmd )
 289 {
 290     HINSTANCE16 retval=31;
 291     char cmd[256];
 292
 293     dprintf_exec(stddeb, "ShellExecute(%04x,'%s','%s','%s','%s',%x)\n",
 294                 hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
 295                 lpParameters ? lpParameters : "<null>",
 296                 lpDirectory ? lpDirectory : "<null>", iShowCmd);
 297
 298     if (lpFile==NULL) return 0; /* should not happen */
 299     if (lpOperation==NULL) /* default is open */
 300       lpOperation="open";
 301
 302     retval = SHELL_FindExecutable( lpFile, lpDirectory, lpOperation, cmd );
 303
 304     if ( retval <= 32 )
 305     {
 306         return retval;
 307     }
 308
 309     if (lpParameters)
 310     {
 311         strcat(cmd," ");
 312         strcat(cmd,lpParameters);
 313     }
 314
 315     dprintf_exec(stddeb,"ShellExecute:starting %s\n",cmd);
 316     return WinExec32(cmd,iShowCmd);
 317 }
 318
 319
 320 /*************************************************************************
 321  *             ShellExecute32A   (SHELL32.84)
 322  */
 323 HINSTANCE32 ShellExecute32A( HWND32 hWnd, LPCSTR lpOperation, LPCSTR lpFile,
 324                              LPCSTR lpParameters, LPCSTR lpDirectory,
 325                              INT32 iShowCmd )
 326 {
 327     return ShellExecute16( hWnd, lpOperation, lpFile, lpParameters,
 328                            lpDirectory, iShowCmd );
 329 }
 330
 331
 332 /*************************************************************************
 333  *             FindExecutable16   (SHELL.21)
 334  */
 335 HINSTANCE16 FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
 336                               LPSTR lpResult )
 337 {
 338     HINSTANCE16 retval=31;    /* default - 'No association was found' */
 339
 340     dprintf_exec(stddeb, "FindExecutable: File %s, Dir %s\n",
 341                  (lpFile != NULL?lpFile:"-"),
 342                  (lpDirectory != NULL?lpDirectory:"-"));
 343
 344     lpResult[0]='\0'; /* Start off with an empty return string */
 345
 346     /* trap NULL parameters on entry */
 347     if (( lpFile == NULL ) || ( lpResult == NULL ))
 348     {
 349         /* FIXME - should throw a warning, perhaps! */
 350         return 2; /* File not found. Close enough, I guess. */
 351     }
 352
 353     retval = SHELL_FindExecutable( lpFile, lpDirectory, "open",
 354                                   lpResult );
 355
 356     dprintf_exec(stddeb, "FindExecutable: returning %s\n", lpResult);
 357     return retval;
 358 }
 359
 360 typedef struct
 361 {
 362     LPCSTR  szApp;
 363     LPCSTR  szOtherStuff;
 364     HICON32 hIcon;
 365 } ABOUT_INFO;
 366
 367
 368 /*************************************************************************
 369  *             AboutDlgProc32  (not an exported API function)
 370  */
 371 LRESULT AboutDlgProc32( HWND32 hWnd, UINT32 msg, WPARAM32 wParam,
 372                         LPARAM lParam )
 373 {
 374     char Template[512], AppTitle[512];
 375
 376     switch(msg)
 377     {
 378     case WM_INITDIALOG:
 379         {
 380             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 381             if (info)
 382             {
 383                 SendDlgItemMessage32A(hWnd, stc1, STM_SETICON, info->hIcon, 0);
 384                 GetWindowText32A( hWnd, Template, sizeof(Template) );
 385                 sprintf( AppTitle, Template, info->szApp );
 386                 SetWindowText32A( hWnd, AppTitle );
 387                 SetWindowText32A( GetDlgItem32(hWnd,100), info->szOtherStuff );
 388             }
 389         }
 390         return 1;
 391
 392     case WM_COMMAND:
 393         if (wParam == IDOK)
 394         {
 395             EndDialog32(hWnd, TRUE);
 396             return TRUE;
 397         }
 398         break;
 399     }
 400     return 0;
 401 }
 402
 403
 404 /*************************************************************************
 405  *             AboutDlgProc16   (SHELL.33)
 406  */
 407 LRESULT AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 408                         LPARAM lParam )
 409 {
 410     return AboutDlgProc32( hWnd, msg, wParam, lParam );
 411 }
 412
 413
 414 /*************************************************************************
 415  *             ShellAbout16   (SHELL.22)
 416  */
 417 BOOL16 ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 418                      HICON16 hIcon )
 419 {
 420     return ShellAbout32A( hWnd, szApp, szOtherStuff, hIcon );
 421 }
 422
 423 /*************************************************************************
 424  *             ShellAbout32A   (SHELL32.82)
 425  */
 426 BOOL32 ShellAbout32A( HWND32 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 427                       HICON32 hIcon )
 428 {
 429     ABOUT_INFO info;
 430     info.szApp        = szApp;
 431     info.szOtherStuff = szOtherStuff;
 432     info.hIcon        = hIcon;
 433     if (!hIcon) info.hIcon = LoadIcon16( 0, MAKEINTRESOURCE(OIC_WINEICON) );
 434     return DialogBoxIndirectParam32A( WIN_GetWindowInstance( hWnd ),
 435                          SYSRES_GetResPtr( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX ),
 436                                       hWnd, AboutDlgProc32, (LPARAM)&info );
 437 }
 438
 439
 440 /*************************************************************************
 441  *             ShellAbout32W   (SHELL32.83)
 442  */
 443 BOOL32 ShellAbout32W( HWND32 hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 444                       HICON32 hIcon )
 445 {
 446     BOOL32 ret;
 447     ABOUT_INFO info;
 448
 449     info.szApp        = HEAP_strdupWtoA( GetProcessHeap(), 0, szApp );
 450     info.szOtherStuff = HEAP_strdupWtoA( GetProcessHeap(), 0, szOtherStuff );
 451     info.hIcon        = hIcon;
 452     if (!hIcon) info.hIcon = LoadIcon16( 0, MAKEINTRESOURCE(OIC_WINEICON) );
 453     ret = DialogBoxIndirectParam32A( WIN_GetWindowInstance( hWnd ),
 454                          SYSRES_GetResPtr( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX ),
 455                                       hWnd, AboutDlgProc32, (LPARAM)&info );
 456     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szApp );
 457     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szOtherStuff );
 458     return ret;
 459 }
 460
 461
 462 /*************************************************************************
 463  *                              SHELL_GetResourceTable
 464  *
 465  * FIXME: Implement GetPEResourceTable in w32sys.c and call it here.
 466  */
 467 static BYTE* SHELL_GetResourceTable(HFILE32 hFile)
 468 {
 469   struct mz_header_s mz_header;
 470   struct ne_header_s ne_header;
 471   int           size;
 472
 473   _llseek32( hFile, 0, SEEK_SET );
 474   if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
 475       (mz_header.mz_magic != MZ_SIGNATURE)) return (BYTE*)-1;
 476
 477   _llseek32( hFile, mz_header.ne_offset, SEEK_SET );
 478   if (_lread32( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
 479       return NULL;
 480
 481   if (ne_header.ne_magic == PE_SIGNATURE)
 482      { fprintf(stdnimp,"Win32s FIXME: file %s line %i\n", __FILE__, __LINE__ );
 483        return NULL; }
 484
 485   if (ne_header.ne_magic != NE_SIGNATURE) return NULL;
 486
 487   size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
 488
 489   if( size > sizeof(NE_TYPEINFO) )
 490     {
 491       BYTE* pTypeInfo = (BYTE*)xmalloc(size);
 492
 493       if( !pTypeInfo ) return NULL;
 494
 495       _llseek32(hFile, mz_header.ne_offset+ne_header.resource_tab_offset, SEEK_SET);
 496       if( _lread32( hFile, (char*)pTypeInfo, size) != size )
 497         { free(pTypeInfo); return NULL; }
 498       return pTypeInfo;
 499     }
 500   /* no resources */
 501
 502   return NULL;
 503 }
 504
 505 /*************************************************************************
 506  *                      SHELL_LoadResource
 507  */
 508 static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE32 hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
 509 {
 510  BYTE*  ptr;
 511  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
 512
 513  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 514    {
 515     _llseek32( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
 516      _lread32( hFile, (char*)ptr, pNInfo->length << sizeShift);
 517      return handle;
 518    }
 519  return 0;
 520 }
 521
 522 /*************************************************************************
 523  *                      ICO_LoadIcon
 524  */
 525 static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIRENTRY lpiIDE)
 526 {
 527  BYTE*  ptr;
 528  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes);
 529
 530  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 531    {
 532     _llseek32( hFile, lpiIDE->dwImageOffset, SEEK_SET);
 533      _lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
 534      return handle;
 535    }
 536  return 0;
 537 }
 538
 539 /*************************************************************************
 540  *                      ICO_GetIconDirectory
 541  *
 542  *  Read .ico file and build phony ICONDIR struct for GetIconID
 543  */
 544 static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIR* lplpiID )
 545 {
 546   WORD          id[3];  /* idReserved, idType, idCount */
 547   LPicoICONDIR  lpiID;
 548   int           i;
 549
 550   _llseek32( hFile, 0, SEEK_SET );
 551   if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0;
 552
 553   /* check .ICO header
 554    *
 555    * - see http://www.microsoft.com/win32dev/ui/icons.htm
 556    */
 557
 558   if( id[0] || id[1] != 1 || !id[2] ) return 0;
 559
 560   i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id);
 561
 562   lpiID = (LPicoICONDIR)xmalloc(i);
 563
 564   if( _lread32(hFile,(char*)lpiID->idEntries,i) == i )
 565   {
 566      HGLOBAL16 handle = DirectResAlloc( hInst, 0x10,
 567                                      id[2]*sizeof(ICONDIRENTRY) + sizeof(id) );
 568      if( handle )
 569      {
 570        CURSORICONDIR*     lpID = (CURSORICONDIR*)GlobalLock16( handle );
 571        lpID->idReserved = lpiID->idReserved = id[0];
 572        lpID->idType = lpiID->idType = id[1];
 573        lpID->idCount = lpiID->idCount = id[2];
 574        for( i=0; i < lpiID->idCount; i++ )
 575          {
 576             memcpy((void*)(lpID->idEntries + i),
 577                    (void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2);
 578             lpID->idEntries[i].icon.wResId = i;
 579          }
 580       *lplpiID = lpiID;
 581        return handle;
 582      }
 583   }
 584   /* fail */
 585
 586   free(lpiID);
 587   return 0;
 588 }
 589
 590 /*************************************************************************
 591  *                      InternalExtractIcon             [SHELL.39]
 592  *
 593  * This abortion is called directly by Progman
 594  */
 595 HGLOBAL16 InternalExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
 596 {
 597   HGLOBAL16     hRet = 0;
 598   HGLOBAL16*    RetPtr = NULL;
 599   BYTE*         pData;
 600   OFSTRUCT      ofs;
 601   HFILE32       hFile = OpenFile32( lpszExeFileName, &ofs, OF_READ );
 602
 603   dprintf_reg(stddeb, "InternalExtractIcon(%04x, file '%s', start from %d, extract %d\n",
 604                        hInstance, lpszExeFileName, nIconIndex, n);
 605
 606   if( hFile == HFILE_ERROR32 || !n ) return 0;
 607
 608   hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 609   RetPtr = (HICON16*)GlobalLock16(hRet);
 610
 611  *RetPtr = (n == 0xFFFF)? 0: 1;                         /* error return values */
 612
 613   pData = SHELL_GetResourceTable(hFile);
 614   if( pData )
 615   {
 616     HICON16      hIcon = 0;
 617     BOOL32       icoFile = FALSE;
 618     UINT16         iconDirCount = 0;
 619     UINT16         iconCount = 0;
 620     NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
 621     NE_NAMEINFO* pIconStorage = NULL;
 622     NE_NAMEINFO* pIconDir = NULL;
 623     LPicoICONDIR lpiID = NULL;
 624
 625     if( pData == (BYTE*)-1 )
 626       {
 627         /* check for .ICO file */
 628
 629         hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID);
 630         if( hIcon )
 631           { icoFile = TRUE; iconDirCount = 1; iconCount = lpiID->idCount; }
 632       }
 633     else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 634       {
 635         /* find icon directory and icon repository */
 636
 637         if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )
 638           {
 639              iconDirCount = pTInfo->count;
 640              pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 641              dprintf_reg(stddeb,"\tfound directory - %i icon families\n", iconDirCount);
 642           }
 643         if( pTInfo->type_id == NE_RSCTYPE_ICON )
 644           {
 645              iconCount = pTInfo->count;
 646              pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 647              dprintf_reg(stddeb,"\ttotal icons - %i\n", iconCount);
 648           }
 649         pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 650       }
 651
 652     /* load resources and create icons */
 653
 654     if( (pIconStorage && pIconDir) || icoFile )
 655       if( nIconIndex == (UINT16)-1 ) RetPtr[0] = iconDirCount;
 656       else if( nIconIndex < iconDirCount )
 657         {
 658            UINT16   i, icon;
 659
 660            if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex;
 661
 662            for( i = nIconIndex; i < nIconIndex + n; i++ )
 663              {
 664                /* .ICO files have only one icon directory */
 665
 666                if( !icoFile )
 667                  hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i,
 668                                                             *(WORD*)pData );
 669                RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 );
 670                GlobalFree16(hIcon);
 671              }
 672
 673            for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 674              {
 675                hIcon = 0;
 676                if( icoFile )
 677                  hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
 678                else
 679                  for( i = 0; i < iconCount; i++ )
 680                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 681                       hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i,
 682                                                                      *(WORD*)pData );
 683                RetPtr[icon-nIconIndex] = (hIcon)?CURSORICON_LoadHandler( hIcon, hInstance, FALSE ):0;
 684              }
 685         }
 686     if( icoFile ) free(lpiID);
 687     else free(pData);
 688  }
 689  _lclose32( hFile );
 690
 691   /* return array with icon handles */
 692
 693   return hRet;
 694 }
 695
 696 /*************************************************************************
 697  *             ExtractIcon16   (SHELL.34)
 698  */
 699 HICON16 ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
 700                        UINT16 nIconIndex )
 701 {
 702   HGLOBAL16 handle = InternalExtractIcon(hInstance,lpszExeFileName,nIconIndex, 1);
 703
 704   if( handle )
 705     {
 706       HICON16* ptr = (HICON16*)GlobalLock16(handle);
 707       HICON16  hIcon = *ptr;
 708
 709       GlobalFree16(handle);
 710       return hIcon;
 711     }
 712   return 0;
 713 }
 714
 715
 716 /*************************************************************************
 717  *             ExtractIcon32A   (SHELL32.20)
 718  */
 719 HICON32 ExtractIcon32A( HINSTANCE32 hInstance, LPCSTR lpszExeFileName,
 720                         UINT32 nIconIndex )
 721 {
 722     /* FIXME */
 723     return ExtractIcon16( hInstance, lpszExeFileName, nIconIndex );
 724 }
 725
 726
 727 /*************************************************************************
 728  *                              ExtractAssociatedIcon   [SHELL.36]
 729  *
 730  * Return icon for given file (either from file itself or from associated
 731  * executable) and patch parameters if needed.
 732  */
 733 HICON16 ExtractAssociatedIcon(HINSTANCE16 hInst,LPSTR lpIconPath,LPWORD lpiIcon)
 734 {
 735     HICON16 hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
 736
 737     if( hIcon < 2 )
 738       {
 739
 740         if( hIcon == 1 ) /* no icons found in given file */
 741           {
 742             char  tempPath[0x80];
 743             UINT16  uRet = FindExecutable16(lpIconPath,NULL,tempPath);
 744
 745             if( uRet > 32 && tempPath[0] )
 746               {
 747                 strcpy(lpIconPath,tempPath);
 748                 hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon);
 749
 750                 if( hIcon > 2 ) return hIcon;
 751               }
 752             else hIcon = 0;
 753           }
 754
 755         if( hIcon == 1 )
 756           *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 757         else
 758           *lpiIcon = 6;   /* generic icon - found nothing */
 759
 760         GetModuleFileName16(hInst, lpIconPath, 0x80);
 761         hIcon = LoadIcon16( hInst, MAKEINTRESOURCE(*lpiIcon));
 762       }
 763
 764     return hIcon;
 765 }
 766
 767 /*************************************************************************
 768  *                              FindEnvironmentString   [SHELL.38]
 769  *
 770  * Returns a pointer into the DOS environment... Ugh.
 771  */
 772 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 773 {
 774   UINT16        l = strlen(entry);
 775   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 776      {
 777        if( lstrncmpi32A(lpEnv, entry, l) ) continue;
 778
 779        if( !*(lpEnv+l) )
 780          return (lpEnv + l);            /* empty entry */
 781        else if ( *(lpEnv+l)== '=' )
 782          return (lpEnv + l + 1);
 783      }
 784   return NULL;
 785 }
 786
 787 SEGPTR FindEnvironmentString(LPSTR str)
 788 {
 789  SEGPTR  spEnv = GetDOSEnvironment();
 790  LPSTR  lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv);
 791
 792  LPSTR  lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 793
 794  if( lpString )         /*  offset should be small enough */
 795      return spEnv + (lpString - lpEnv);
 796
 797  return (SEGPTR)NULL;
 798 }
 799
 800 /*************************************************************************
 801  *                              DoEnvironmentSubst      [SHELL.37]
 802  *
 803  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 804  * from "DOS" environment.
 805  */
 806 DWORD DoEnvironmentSubst(LPSTR str,WORD length)
 807 {
 808   LPSTR   lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment());
 809   LPSTR   lpBuffer = (LPSTR)xmalloc(length);
 810   LPSTR   lpstr = str;
 811   LPSTR   lpbstr = lpBuffer;
 812
 813   CharToOem32A(str,str);
 814
 815   dprintf_reg(stddeb,"DoEnvSubst: accept %s", str);
 816
 817   while( *lpstr && lpbstr - lpBuffer < length )
 818    {
 819      LPSTR lpend = lpstr;
 820
 821      if( *lpstr == '%' )
 822        {
 823           do { lpend++; } while( *lpend && *lpend != '%' );
 824           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 825             {
 826                LPSTR lpKey;
 827               *lpend = '\0';
 828                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 829                if( lpKey )                              /* found key value */
 830                  {
 831                    int l = strlen(lpKey);
 832
 833                    if( l > length - (lpbstr - lpBuffer) - 1 )
 834                      {
 835                        fprintf(stdnimp,"File %s, line %i: Env subst aborted - string too short\n",
 836                                         __FILE__, __LINE__);
 837                       *lpend = '%';
 838                        break;
 839                      }
 840                    strcpy(lpbstr, lpKey);
 841                    lpbstr += l;
 842                  }
 843                else break;
 844               *lpend = '%';
 845                lpstr = lpend + 1;
 846             }
 847           else break;                                   /* back off and whine */
 848
 849           continue;
 850        }
 851
 852      *lpbstr++ = *lpstr++;
 853    }
 854
 855  *lpbstr = '\0';
 856   if( lpstr - str == strlen(str) )
 857     {
 858       strncpy(str, lpBuffer, length);
 859       length = 1;
 860     }
 861   else
 862       length = 0;
 863
 864   dprintf_reg(stddeb," return %s\n", str);
 865
 866   OemToChar32A(str,str);
 867   free(lpBuffer);
 868
 869   /*  Return str length in the LOWORD
 870    *  and 1 in HIWORD if subst was successful.
 871    */
 872  return (DWORD)MAKELONG(strlen(str), length);
 873 }
 874
 875 /*************************************************************************
 876  *                              RegisterShellHook       [SHELL.102]
 877  */
 878 int RegisterShellHook(void *ptr)
 879 {
 880         fprintf(stdnimp, "RegisterShellHook( %p ) : Empty Stub !!!\n", ptr);
 881         return 0;
 882 }
 883
 884
 885 /*************************************************************************
 886  *                              ShellHookProc           [SHELL.103]
 887  */
 888 int ShellHookProc(void)
 889 {
 890         fprintf(stdnimp, "ShellHookProc : Empty Stub !!!\n");
 891         return 0;
 892 }
 893
 894 /*************************************************************************
 895  *                              SHGetFileInfoA          [SHELL32.54]
 896  */
 897 DWORD
 898 SHGetFileInfo32A(LPCSTR path,DWORD dwFileAttributes,SHFILEINFO32A *psfi,
 899         UINT32 sizeofpsfi,UINT32 flags
 900 ) {
 901         fprintf(stdnimp,"SHGetFileInfo32A(%s,0x%08lx,%p,%d,0x%08x)\n",
 902                 path,dwFileAttributes,psfi,sizeofpsfi,flags
 903         );
 904         return TRUE;
 905 }
 906
 907 /*************************************************************************
 908  *                              CommandLineToArgvW      [SHELL32.2]
 909  */
 910 LPWSTR*
 911 CommandLineToArgvW(LPWSTR cmdline,LPDWORD numargs) {
 912         LPWSTR  *argv,s,t;
 913         int     i;
 914
 915         /* to get writeable copy */
 916         cmdline = HEAP_strdupW( GetProcessHeap(), 0, cmdline);
 917         s=cmdline;i=0;
 918         while (*s) {
 919                 /* space */
 920                 if (*s==0x0020) {
 921                         i++;
 922                         s++;
 923                         while (*s && *s==0x0020)
 924                                 s++;
 925                         continue;
 926                 }
 927                 s++;
 928         }
 929         argv=(LPWSTR*)HeapAlloc( GetProcessHeap(), 0, sizeof(LPWSTR)*(i+1) );
 930         s=t=cmdline;
 931         i=0;
 932         while (*s) {
 933                 if (*s==0x0020) {
 934                         *s=0;
 935                         argv[i++]=HEAP_strdupW( GetProcessHeap(), 0, t );
 936                         *s=0x0020;
 937                         while (*s && *s==0x0020)
 938                                 s++;
 939                         if (*s)
 940                                 t=s+1;
 941                         else
 942                                 t=s;
 943                         continue;
 944                 }
 945                 s++;
 946         }
 947         if (*t)
 948                 argv[i++]=(LPWSTR)HEAP_strdupW( GetProcessHeap(), 0, t );
 949         HeapFree( GetProcessHeap(), 0, cmdline );
 950         argv[i]=NULL;
 951         *numargs=i;
 952         return argv;
 953 }