programs/progman/grpfile.c

   1 /*
   2  * Program Manager
   3  *
   4  * Copyright 1996 Ulrich Schmid
   5  *           1997 Peter Schlaile
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "windows.h"
  23 #include "wine/winuser16.h"
  24 #include "progman.h"
  25 #include "mmsystem.h"
  26
  27 #define MALLOCHUNK 1000
  28
  29 #define GET_USHORT(buffer, i)\
  30   (((BYTE)((buffer)[(i)]) + 0x100 * (BYTE)((buffer)[(i)+1])))
  31 #define GET_SHORT(buffer, i)\
  32   (((BYTE)((buffer)[(i)]) + 0x100 * (signed char)((buffer)[(i)+1])))
  33 #define PUT_SHORT(buffer, i, s)\
  34   (((buffer)[(i)] = (s) & 0xff, (buffer)[(i)+1] = ((s) >> 8) & 0xff))
  35
  36 static BOOL   GRPFILE_ReadFileToBuffer(LPCSTR, HLOCAL*, INT*);
  37 static HLOCAL GRPFILE_ScanGroup(LPCSTR, INT, LPCSTR, BOOL);
  38 static HLOCAL GRPFILE_ScanProgram(LPCSTR, INT, LPCSTR, INT,
  39                                   LPCSTR, HLOCAL,LPCSTR);
  40 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group);
  41
  42 /***********************************************************************
  43  *
  44  *           GRPFILE_ModifyFileName
  45  *
  46  *  Change extension `.grp' to `.gr'
  47  */
  48
  49 static VOID GRPFILE_ModifyFileName(LPSTR lpszNewName, LPCSTR lpszOrigName,
  50                                    INT nSize, BOOL bModify)
  51 {
  52   lstrcpyn(lpszNewName, lpszOrigName, nSize);
  53   lpszNewName[nSize-1] = '\0';
  54   if (!bModify) return;
  55   if (!lstrcmpi(lpszNewName + strlen(lpszNewName) - 4, ".grp"))
  56     lpszNewName[strlen(lpszNewName) - 1] = '\0';
  57 }
  58
  59 /***********************************************************************
  60  *
  61  *           GRPFILE_ReadGroupFile
  62  */
  63
  64 HLOCAL GRPFILE_ReadGroupFile(LPCSTR lpszPath)
  65 {
  66   CHAR   szPath_gr[MAX_PATHNAME_LEN];
  67   BOOL   bFileNameModified = FALSE;
  68   OFSTRUCT dummy;
  69   HLOCAL hBuffer, hGroup;
  70   INT    size;
  71
  72   /* if `.gr' file exists use that */
  73   GRPFILE_ModifyFileName(szPath_gr, lpszPath, MAX_PATHNAME_LEN, TRUE);
  74   if (OpenFile(szPath_gr, &dummy, OF_EXIST) != HFILE_ERROR)
  75     {
  76       lpszPath = szPath_gr;
  77       bFileNameModified = TRUE;
  78     }
  79
  80   /* Read the whole file into a buffer */
  81   if (!GRPFILE_ReadFileToBuffer(lpszPath, &hBuffer, &size))
  82     {
  83       MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
  84       return(0);
  85     }
  86
  87   /* Interpret buffer */
  88   hGroup = GRPFILE_ScanGroup(LocalLock(hBuffer), size,
  89                              lpszPath, bFileNameModified);
  90   if (!hGroup)
  91     MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
  92
  93   LocalFree(hBuffer);
  94
  95   return(hGroup);
  96 }
  97
  98 /***********************************************************************
  99  *
 100  *           GRPFILE_ReadFileToBuffer
 101  */
 102
 103 static BOOL GRPFILE_ReadFileToBuffer(LPCSTR path, HLOCAL *phBuffer,
 104                                      INT *piSize)
 105 {
 106   UINT    len, size;
 107   LPSTR  buffer;
 108   HLOCAL hBuffer, hNewBuffer;
 109   HFILE  file;
 110
 111   file=_lopen(path, OF_READ);
 112   if (file == HFILE_ERROR) return FALSE;
 113
 114   size = 0;
 115   hBuffer = LocalAlloc(LMEM_FIXED, size + MALLOCHUNK + 1);
 116   if (!hBuffer) return FALSE;
 117   buffer = LocalLock(hBuffer);
 118
 119   while ((len = _lread(file, buffer + size, MALLOCHUNK))
 120          == MALLOCHUNK)
 121     {
 122       size += len;
 123       hNewBuffer = LocalReAlloc(hBuffer, size + MALLOCHUNK + 1,
 124                                 LMEM_FIXED);
 125       if (!hNewBuffer)
 126         {
 127           LocalFree(hBuffer);
 128           return FALSE;
 129         }
 130       hBuffer = hNewBuffer;
 131       buffer = LocalLock(hBuffer);
 132     }
 133
 134   _lclose(file);
 135
 136   if (len == (UINT)HFILE_ERROR)
 137     {
 138       LocalFree(hBuffer);
 139       return FALSE;
 140     }
 141
 142   size += len;
 143   buffer[size] = 0;
 144
 145   *phBuffer = hBuffer;
 146   *piSize   = size;
 147   return TRUE;
 148 }
 149
 150 /***********************************************************************
 151  *           GRPFILE_ScanGroup
 152  */
 153
 154 static HLOCAL GRPFILE_ScanGroup(LPCSTR buffer, INT size,
 155                                 LPCSTR lpszGrpFile,
 156                                 BOOL bModifiedFileName)
 157 {
 158   HLOCAL  hGroup;
 159   INT     i, seqnum;
 160   LPCSTR  extension;
 161   LPCSTR  lpszName;
 162   INT     x, y, width, height, iconx, icony, nCmdShow;
 163   INT     number_of_programs;
 164   BOOL    bOverwriteFileOk;
 165
 166   if (buffer[0] != 'P' || buffer[1] != 'M') return(0);
 167   if (buffer[2] == 'C' && buffer[3] == 'C')
 168     /* original with checksum */
 169     bOverwriteFileOk = FALSE;
 170   else if (buffer[2] == 'X' && buffer[3] == 'X')
 171     /* modified without checksum */
 172     bOverwriteFileOk = TRUE;
 173   else return(0);
 174
 175   /* checksum = GET_USHORT(buffer, 4)   (ignored) */
 176
 177   extension = buffer + GET_USHORT(buffer, 6);
 178   if (extension == buffer + size) extension = 0;
 179   else if (extension + 6 > buffer + size) return(0);
 180
 181   nCmdShow = GET_USHORT(buffer,  8);
 182   x        = GET_SHORT(buffer,  10);
 183   y        = GET_SHORT(buffer,  12);
 184   width    = GET_USHORT(buffer, 14);
 185   height   = GET_USHORT(buffer, 16);
 186   iconx    = GET_SHORT(buffer,  18);
 187   icony    = GET_SHORT(buffer,  20);
 188   lpszName = buffer + GET_USHORT(buffer, 22);
 189   if (lpszName >= buffer + size) return(0);
 190
 191   /* unknown bytes 24 - 31 ignored */
 192   /*
 193     Unknown bytes should be:
 194     wLogPixelsX = GET_SHORT(buffer, 24);
 195     wLogPixelsY = GET_SHORT(buffer, 26);
 196     byBitsPerPixel = byte at 28;
 197     byPlanes     = byte at 29;
 198     wReserved   = GET_SHORT(buffer, 30);
 199     */
 200
 201   hGroup = GROUP_AddGroup(lpszName, lpszGrpFile, nCmdShow, x, y,
 202                           width, height, iconx, icony,
 203                           bModifiedFileName, bOverwriteFileOk,
 204                           TRUE);
 205   if (!hGroup) return(0);
 206
 207   number_of_programs = GET_USHORT(buffer, 32);
 208   if (2 * number_of_programs + 34 > size) return(0);
 209   for (i=0, seqnum=0; i < number_of_programs; i++, seqnum++)
 210     {
 211       LPCSTR program_ptr = buffer + GET_USHORT(buffer, 34 + 2*i);
 212       if (program_ptr + 24 > buffer + size) return(0);
 213       if (!GET_USHORT(buffer, 34 + 2*i)) continue;
 214       if (!GRPFILE_ScanProgram(buffer, size, program_ptr, seqnum,
 215                                extension, hGroup, lpszGrpFile))
 216         {
 217           GROUP_DeleteGroup(hGroup);
 218           return(0);
 219         }
 220     }
 221
 222   /* FIXME shouldn't be necessary */
 223   GROUP_ShowGroupWindow(hGroup);
 224
 225   return hGroup;
 226 }
 227
 228 /***********************************************************************
 229  *           GRPFILE_ScanProgram
 230  */
 231
 232 static HLOCAL GRPFILE_ScanProgram(LPCSTR buffer, INT size,
 233                                   LPCSTR program_ptr, INT seqnum,
 234                                   LPCSTR extension, HLOCAL hGroup,
 235                                   LPCSTR lpszGrpFile)
 236 {
 237   INT    icontype;
 238   HICON  hIcon;
 239   LPCSTR lpszName, lpszCmdLine, lpszIconFile, lpszWorkDir;
 240   LPCSTR iconinfo_ptr, iconANDbits_ptr, iconXORbits_ptr;
 241   INT    x, y, nIconIndex, iconANDsize, iconXORsize;
 242   INT    nHotKey, nCmdShow;
 243   CURSORICONINFO iconinfo;
 244
 245   x               = GET_SHORT(program_ptr, 0);
 246   y               = GET_SHORT(program_ptr, 2);
 247   nIconIndex      = GET_USHORT(program_ptr, 4);
 248
 249   /* FIXME is this correct ?? */
 250   icontype = GET_USHORT(program_ptr,  6);
 251   switch (icontype)
 252     {
 253     default:
 254       MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s, lpszGrpFile,
 255                            IDS_WARNING, MB_OK);
 256     case 0x048c:
 257       iconXORsize     = GET_USHORT(program_ptr,  8);
 258       iconANDsize     = GET_USHORT(program_ptr, 10) / 8;
 259       iconinfo_ptr    = buffer + GET_USHORT(program_ptr, 12);
 260       iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 14);
 261       iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 16);
 262       iconinfo.ptHotSpot.x   = GET_USHORT(iconinfo_ptr, 0);
 263       iconinfo.ptHotSpot.y   = GET_USHORT(iconinfo_ptr, 2);
 264       iconinfo.nWidth        = GET_USHORT(iconinfo_ptr, 4);
 265       iconinfo.nHeight       = GET_USHORT(iconinfo_ptr, 6);
 266       iconinfo.nWidthBytes   = GET_USHORT(iconinfo_ptr, 8);
 267       iconinfo.bPlanes       = GET_USHORT(iconinfo_ptr, 10);
 268       iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
 269       break;
 270     case 0x000c:
 271       iconANDsize     = GET_USHORT(program_ptr,  8);
 272       iconXORsize     = GET_USHORT(program_ptr, 10);
 273       iconinfo_ptr    = buffer + GET_USHORT(program_ptr, 12);
 274       iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 14);
 275       iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 16);
 276       iconinfo.ptHotSpot.x   = GET_USHORT(iconinfo_ptr, 0);
 277       iconinfo.ptHotSpot.y   = GET_USHORT(iconinfo_ptr, 2);
 278       iconinfo.nWidth        = GET_USHORT(iconinfo_ptr, 4);
 279       iconinfo.nHeight       = GET_USHORT(iconinfo_ptr, 6);
 280       iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8) * 8;
 281       iconinfo.bPlanes       = GET_USHORT(iconinfo_ptr, 10);
 282       iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
 283     }
 284
 285   if (iconANDbits_ptr + iconANDsize > buffer + size ||
 286       iconXORbits_ptr + iconXORsize > buffer + size) return(0);
 287
 288   hIcon = CreateIcon( Globals.hInstance, iconinfo.nWidth, iconinfo.nHeight,
 289                       iconinfo.bPlanes, iconinfo.bBitsPerPixel,
 290                       iconANDbits_ptr, iconXORbits_ptr );
 291
 292   lpszName        = buffer + GET_USHORT(program_ptr, 18);
 293   lpszCmdLine     = buffer + GET_USHORT(program_ptr, 20);
 294   lpszIconFile    = buffer + GET_USHORT(program_ptr, 22);
 295   if (iconinfo_ptr + 6 > buffer + size ||
 296       lpszName         > buffer + size ||
 297       lpszCmdLine      > buffer + size ||
 298       lpszIconFile     > buffer + size) return(0);
 299
 300   /* Scan Extensions */
 301   lpszWorkDir = "";
 302   nHotKey     = 0;
 303   nCmdShow    = SW_SHOWNORMAL;
 304   if (extension)
 305     {
 306       LPCSTR ptr = extension;
 307       while (ptr + 6 <= buffer + size)
 308         {
 309           UINT type   = GET_USHORT(ptr, 0);
 310           UINT number = GET_USHORT(ptr, 2);
 311           UINT skip   = GET_USHORT(ptr, 4);
 312
 313           if (number == seqnum)
 314             {
 315               switch (type)
 316                 {
 317                 case 0x8000:
 318                   if (ptr + 10 > buffer + size) return(0);
 319                   if (ptr[6] != 'P' || ptr[7] != 'M' ||
 320                       ptr[8] != 'C' || ptr[9] != 'C') return(0);
 321                   break;
 322                 case 0x8101:
 323                   lpszWorkDir = ptr + 6;
 324                   break;
 325                 case 0x8102:
 326                   if (ptr + 8 > buffer + size) return(0);
 327                   nHotKey = GET_USHORT(ptr, 6);
 328                   break;
 329                 case 0x8103:
 330                   if (ptr + 8 > buffer + size) return(0);
 331                   nCmdShow = GET_USHORT(ptr, 6);
 332                   break;
 333                 default:
 334                   MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s,
 335                                        lpszGrpFile, IDS_WARNING, MB_OK);
 336                 }
 337             }
 338           if (!skip) break;
 339           ptr += skip;
 340         }
 341     }
 342
 343   return (PROGRAM_AddProgram(hGroup, hIcon, lpszName, x, y,
 344                              lpszCmdLine, lpszIconFile,
 345                              nIconIndex, lpszWorkDir,
 346                              nHotKey, nCmdShow));
 347 }
 348
 349 /***********************************************************************
 350  *
 351  *           GRPFILE_WriteGroupFile
 352  */
 353
 354 BOOL GRPFILE_WriteGroupFile(HLOCAL hGroup)
 355 {
 356   CHAR szPath[MAX_PATHNAME_LEN];
 357   PROGGROUP *group = LocalLock(hGroup);
 358   OFSTRUCT dummy;
 359   HFILE file;
 360   BOOL ret;
 361
 362   GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
 363                          MAX_PATHNAME_LEN,
 364                          group->bFileNameModified);
 365
 366   /* Try not to overwrite original files */
 367
 368   /* group->bOverwriteFileOk == TRUE only if a file has the modified format */
 369   if (!group->bOverwriteFileOk &&
 370       OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
 371     {
 372       /* Original file exists, try `.gr' extension */
 373       GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
 374                              MAX_PATHNAME_LEN, TRUE);
 375       if (OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
 376         {
 377           /* File exists. Do not overwrite */
 378           MAIN_MessageBoxIDS_s(IDS_FILE_NOT_OVERWRITTEN_s, szPath,
 379                                IDS_INFO, MB_OK);
 380           return FALSE;
 381         }
 382       /* Inform about the modified file name */
 383       if (IDCANCEL ==
 384           MAIN_MessageBoxIDS_s(IDS_SAVE_GROUP_AS_s, szPath, IDS_INFO,
 385                                MB_OKCANCEL | MB_ICONINFORMATION))
 386         return FALSE;
 387     }
 388
 389   {
 390     /* Warn about the (possible) incompatibility */
 391     CHAR msg[MAX_PATHNAME_LEN + 200];
 392     wsprintf(msg,
 393              "Group files written by this DRAFT Program Manager "
 394              "possibly cannot be read by the Microsoft Program Manager!!\n"
 395              "Are you sure to write %s?", szPath);
 396     if (IDOK != MessageBox(Globals.hMainWnd, msg, "WARNING",
 397                            MB_OKCANCEL | MB_DEFBUTTON2)) return FALSE;
 398   }
 399
 400   /* FIXME */
 401   if (OpenFile(szPath, &dummy, OF_EXIST) == HFILE_ERROR)
 402     {
 403       CHAR msg[MAX_PATHNAME_LEN + 200];
 404       wsprintf(msg, "Cause of a bug you must now touch the file %s\n", szPath);
 405       MessageBox(Globals.hMainWnd, msg, "", MB_OK);
 406     }
 407
 408   /* Open file */
 409   file = _lopen(szPath, OF_WRITE);
 410   if (file != HFILE_ERROR)
 411     {
 412       ret = GRPFILE_DoWriteGroupFile(file, group);
 413       _lclose(file);
 414     }
 415   else ret = FALSE;
 416
 417   if (!ret)
 418     MAIN_MessageBoxIDS_s(IDS_FILE_WRITE_ERROR_s, szPath, IDS_ERROR, MB_OK);
 419
 420   return(ret);
 421 }
 422
 423 /***********************************************************************
 424  *
 425  *           GRPFILE_CalculateSizes
 426  */
 427
 428 static VOID GRPFILE_CalculateSizes(PROGRAM *program,
 429                                    INT *Progs, INT *Icons)
 430 {
 431   CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 432   INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 433   INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 434
 435   *Progs += 24;
 436   *Progs += lstrlen(LocalLock(program->hName)) + 1;
 437   *Progs += lstrlen(LocalLock(program->hCmdLine)) + 1;
 438   *Progs += lstrlen(LocalLock(program->hIconFile)) + 1;
 439
 440   *Icons += 12; /* IconInfo */
 441   *Icons += sizeAnd;
 442   *Icons += sizeXor;
 443 }
 444
 445 /***********************************************************************/
 446 UINT16 GRPFILE_checksum;
 447 BOOL GRPFILE_checksum_half_word;
 448 BYTE GRPFILE_checksum_last_byte;
 449 /***********************************************************************
 450  *
 451  *           GRPFILE_InitChecksum
 452  */
 453
 454 static void GRPFILE_InitChecksum()
 455 {
 456         GRPFILE_checksum = 0;
 457         GRPFILE_checksum_half_word = 0;
 458 }
 459
 460 /***********************************************************************
 461  *
 462  *           GRPFILE_GetChecksum
 463  */
 464
 465 static UINT16 GRPFILE_GetChecksum()
 466 {
 467         return GRPFILE_checksum;
 468 }
 469
 470 /***********************************************************************
 471  *
 472  *           GRPFILE_WriteWithChecksum
 473  *
 474  * Looks crazier than it is:
 475  *
 476  * chksum = 0;
 477  * chksum = cksum - 1. word;
 478  * chksum = cksum - 2. word;
 479  * ...
 480  *
 481  * if (filelen is even)
 482  *      great I'm finished
 483  * else
 484  *      ignore last byte
 485  */
 486
 487 static UINT GRPFILE_WriteWithChecksum(HFILE file, LPCSTR str, UINT size)
 488 {
 489         UINT i;
 490         if (GRPFILE_checksum_half_word) {
 491                 GRPFILE_checksum -= GRPFILE_checksum_last_byte;
 492         }
 493         for (i=0; i < size; i++) {
 494                 if (GRPFILE_checksum_half_word) {
 495                         GRPFILE_checksum -= str[i] << 8;
 496                 } else {
 497                         GRPFILE_checksum -= str[i];
 498                 }
 499                 GRPFILE_checksum_half_word ^= 1;
 500         }
 501
 502         if (GRPFILE_checksum_half_word) {
 503                 GRPFILE_checksum_last_byte = str[size-1];
 504                 GRPFILE_checksum += GRPFILE_checksum_last_byte;
 505         }
 506
 507         return _lwrite(file, str, size);
 508 }
 509
 510
 511 /***********************************************************************
 512  *
 513  *           GRPFILE_DoWriteGroupFile
 514  */
 515
 516 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group)
 517 {
 518   BYTE buffer[34];
 519   HLOCAL hProgram;
 520   INT    NumProg, Title, Progs, Icons, Extension;
 521   INT    CurrProg, CurrIcon, nCmdShow, ptr, seqnum;
 522   BOOL   need_extension;
 523   LPCSTR lpszTitle = LocalLock(group->hName);
 524
 525   UINT16 checksum;
 526
 527   GRPFILE_InitChecksum();
 528
 529   /* Calculate offsets */
 530   NumProg = 0;
 531   Icons   = 0;
 532   Extension = 0;
 533   need_extension = FALSE;
 534   hProgram = group->hPrograms;
 535   while(hProgram)
 536     {
 537       PROGRAM *program = LocalLock(hProgram);
 538       LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
 539
 540       NumProg++;
 541       GRPFILE_CalculateSizes(program, &Icons, &Extension);
 542
 543       /* Set a flag if an extension is needed */
 544       if (lpszWorkDir[0] || program->nHotKey ||
 545           program->nCmdShow != SW_SHOWNORMAL) need_extension = TRUE;
 546
 547       hProgram = program->hNext;
 548     }
 549   Title      = 34 + NumProg * 2;
 550   Progs      = Title + lstrlen(lpszTitle) + 1;
 551   Icons     += Progs;
 552   Extension += Icons;
 553
 554   /* Header */
 555   buffer[0] = 'P';
 556   buffer[1] = 'M';
 557   buffer[2] = 'C';
 558   buffer[3] = 'C';
 559
 560   PUT_SHORT(buffer,  4, 0); /* Checksum zero for now, written later */
 561   PUT_SHORT(buffer,  6, Extension);
 562   /* Update group->nCmdShow */
 563   if (IsIconic(group->hWnd))      nCmdShow = SW_SHOWMINIMIZED;
 564   else if (IsZoomed(group->hWnd)) nCmdShow = SW_SHOWMAXIMIZED;
 565   else                            nCmdShow = SW_SHOWNORMAL;
 566   PUT_SHORT(buffer,  8, nCmdShow);
 567   PUT_SHORT(buffer, 10, group->x);
 568   PUT_SHORT(buffer, 12, group->y);
 569   PUT_SHORT(buffer, 14, group->width);
 570   PUT_SHORT(buffer, 16, group->height);
 571   PUT_SHORT(buffer, 18, group->iconx);
 572   PUT_SHORT(buffer, 20, group->icony);
 573   PUT_SHORT(buffer, 22, Title);
 574   PUT_SHORT(buffer, 24, 0x0020); /* unknown */
 575   PUT_SHORT(buffer, 26, 0x0020); /* unknown */
 576   PUT_SHORT(buffer, 28, 0x0108); /* unknown */
 577   PUT_SHORT(buffer, 30, 0x0000); /* unknown */
 578   PUT_SHORT(buffer, 32, NumProg);
 579
 580   if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 34)) return FALSE;
 581
 582   /* Program table */
 583   CurrProg = Progs;
 584   CurrIcon = Icons;
 585   hProgram = group->hPrograms;
 586   while(hProgram)
 587     {
 588       PROGRAM *program = LocalLock(hProgram);
 589
 590       PUT_SHORT(buffer, 0, CurrProg);
 591       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 2))
 592               return FALSE;
 593
 594       GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
 595       hProgram = program->hNext;
 596     }
 597
 598   /* Title */
 599   if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszTitle,
 600                                                lstrlen(lpszTitle) + 1))
 601     return FALSE;
 602
 603   /* Program entries */
 604   CurrProg = Progs;
 605   CurrIcon = Icons;
 606   hProgram = group->hPrograms;
 607   while(hProgram)
 608     {
 609       PROGRAM *program = LocalLock(hProgram);
 610       CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 611       LPCSTR Name     = LocalLock(program->hName);
 612       LPCSTR CmdLine  = LocalLock(program->hCmdLine);
 613       LPCSTR IconFile = LocalLock(program->hIconFile);
 614       INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 615       INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 616
 617       PUT_SHORT(buffer,  0, program->x);
 618       PUT_SHORT(buffer,  2, program->y);
 619       PUT_SHORT(buffer,  4, program->nIconIndex);
 620       PUT_SHORT(buffer,  6, 0x048c);            /* unknown */
 621       PUT_SHORT(buffer,  8, sizeXor);
 622       PUT_SHORT(buffer, 10, sizeAnd * 8);
 623       PUT_SHORT(buffer, 12, CurrIcon);
 624       PUT_SHORT(buffer, 14, CurrIcon + 12 + sizeAnd);
 625       PUT_SHORT(buffer, 16, CurrIcon + 12);
 626       ptr = CurrProg + 24;
 627       PUT_SHORT(buffer, 18, ptr);
 628       ptr += lstrlen(Name) + 1;
 629       PUT_SHORT(buffer, 20, ptr);
 630       ptr += lstrlen(CmdLine) + 1;
 631       PUT_SHORT(buffer, 22, ptr);
 632
 633       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 24) ||
 634           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, Name, lstrlen(Name) + 1) ||
 635           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, CmdLine, lstrlen(CmdLine) + 1) ||
 636           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, IconFile, lstrlen(IconFile) + 1))
 637         return FALSE;
 638
 639       GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
 640       hProgram = program->hNext;
 641     }
 642
 643   /* Icons */
 644   hProgram = group->hPrograms;
 645   while(hProgram)
 646     {
 647       PROGRAM *program = LocalLock(hProgram);
 648       CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 649       LPVOID XorBits, AndBits;
 650       INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 651       INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 652       /* FIXME: this is broken anyway */
 653       /* DumpIcon16(LocalLock(program->hIcon), 0, &XorBits, &AndBits);*/
 654
 655       PUT_SHORT(buffer, 0, iconinfo->ptHotSpot.x);
 656       PUT_SHORT(buffer, 2, iconinfo->ptHotSpot.y);
 657       PUT_SHORT(buffer, 4, iconinfo->nWidth);
 658       PUT_SHORT(buffer, 6, iconinfo->nHeight);
 659       PUT_SHORT(buffer, 8, iconinfo->nWidthBytes);
 660       buffer[10] = iconinfo->bPlanes;
 661       buffer[11] = iconinfo->bBitsPerPixel;
 662
 663       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 12) ||
 664           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, AndBits, sizeAnd) ||
 665           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, XorBits, sizeXor)) return FALSE;
 666
 667       hProgram = program->hNext;
 668     }
 669
 670   if (need_extension)
 671     {
 672       /* write `PMCC' extension */
 673       PUT_SHORT(buffer, 0, 0x8000);
 674       PUT_SHORT(buffer, 2, 0xffff);
 675       PUT_SHORT(buffer, 4, 0x000a);
 676       buffer[6] = 'P', buffer[7] = 'M';
 677       buffer[8] = 'C', buffer[9] = 'C';
 678       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 10))
 679               return FALSE;
 680
 681       seqnum = 0;
 682       hProgram = group->hPrograms;
 683       while(hProgram)
 684         {
 685           PROGRAM *program = LocalLock(hProgram);
 686           LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
 687
 688           /* Working directory */
 689           if (lpszWorkDir[0])
 690             {
 691               PUT_SHORT(buffer, 0, 0x8101);
 692               PUT_SHORT(buffer, 2, seqnum);
 693               PUT_SHORT(buffer, 4, 7 + lstrlen(lpszWorkDir));
 694               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6) ||
 695                   (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszWorkDir, lstrlen(lpszWorkDir) + 1))
 696                 return FALSE;
 697             }
 698
 699           /* Hot key */
 700           if (program->nHotKey)
 701             {
 702               PUT_SHORT(buffer, 0, 0x8102);
 703               PUT_SHORT(buffer, 2, seqnum);
 704               PUT_SHORT(buffer, 4, 8);
 705               PUT_SHORT(buffer, 6, program->nHotKey);
 706               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
 707             }
 708
 709           /* Show command */
 710           if (program->nCmdShow)
 711             {
 712               PUT_SHORT(buffer, 0, 0x8103);
 713               PUT_SHORT(buffer, 2, seqnum);
 714               PUT_SHORT(buffer, 4, 8);
 715               PUT_SHORT(buffer, 6, program->nCmdShow);
 716               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
 717             }
 718
 719           seqnum++;
 720           hProgram = program->hNext;
 721         }
 722
 723       /* Write `End' extension */
 724       PUT_SHORT(buffer, 0, 0xffff);
 725       PUT_SHORT(buffer, 2, 0xffff);
 726       PUT_SHORT(buffer, 4, 0x0000);
 727       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6)) return FALSE;
 728     }
 729
 730   checksum = GRPFILE_GetChecksum();
 731   _llseek(file, 4, SEEK_SET);
 732   PUT_SHORT(buffer, 0, checksum);
 733   _lwrite(file, buffer, 2);
 734
 735   return TRUE;
 736 }
 737
 738 /* Local Variables:    */
 739 /* c-file-style: "GNU" */
 740 /* End:                */