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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define WIN32_LEAN_AND_MEAN
  23
  24 #include "windows.h"
  25 #include "wine/winuser16.h"
  26 #include "progman.h"
  27 #include "mmsystem.h"
  28
  29 #define MALLOCHUNK 1000
  30
  31 #define GET_USHORT(buffer, i)\
  32   (((BYTE)((buffer)[(i)]) + 0x100 * (BYTE)((buffer)[(i)+1])))
  33 #define GET_SHORT(buffer, i)\
  34   (((BYTE)((buffer)[(i)]) + 0x100 * (signed char)((buffer)[(i)+1])))
  35 #define PUT_SHORT(buffer, i, s)\
  36   (((buffer)[(i)] = (s) & 0xff, (buffer)[(i)+1] = ((s) >> 8) & 0xff))
  37
  38 static BOOL   GRPFILE_ReadFileToBuffer(LPCSTR, HLOCAL*, INT*);
  39 static HLOCAL GRPFILE_ScanGroup(LPCSTR, INT, LPCSTR, BOOL);
  40 static HLOCAL GRPFILE_ScanProgram(LPCSTR, INT, LPCSTR, INT,
  41                                   LPCSTR, HLOCAL,LPCSTR);
  42 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group);
  43
  44 /***********************************************************************
  45  *
  46  *           GRPFILE_ModifyFileName
  47  *
  48  *  Change extension `.grp' to `.gr'
  49  */
  50
  51 static VOID GRPFILE_ModifyFileName(LPSTR lpszNewName, LPCSTR lpszOrigName,
  52                                    INT nSize, BOOL bModify)
  53 {
  54   lstrcpyn(lpszNewName, lpszOrigName, nSize);
  55   lpszNewName[nSize-1] = '\0';
  56   if (!bModify) return;
  57   if (!lstrcmpi(lpszNewName + strlen(lpszNewName) - 4, ".grp"))
  58     lpszNewName[strlen(lpszNewName) - 1] = '\0';
  59 }
  60
  61 /***********************************************************************
  62  *
  63  *           GRPFILE_ReadGroupFile
  64  */
  65
  66 HLOCAL GRPFILE_ReadGroupFile(LPCSTR lpszPath)
  67 {
  68   CHAR   szPath_gr[MAX_PATHNAME_LEN];
  69   BOOL   bFileNameModified = FALSE;
  70   OFSTRUCT dummy;
  71   HLOCAL hBuffer, hGroup;
  72   INT    size;
  73
  74   /* if `.gr' file exists use that */
  75   GRPFILE_ModifyFileName(szPath_gr, lpszPath, MAX_PATHNAME_LEN, TRUE);
  76   if (OpenFile(szPath_gr, &dummy, OF_EXIST) != HFILE_ERROR)
  77     {
  78       lpszPath = szPath_gr;
  79       bFileNameModified = TRUE;
  80     }
  81
  82   /* Read the whole file into a buffer */
  83   if (!GRPFILE_ReadFileToBuffer(lpszPath, &hBuffer, &size))
  84     {
  85       MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
  86       return(0);
  87     }
  88
  89   /* Interpret buffer */
  90   hGroup = GRPFILE_ScanGroup(LocalLock(hBuffer), size,
  91                              lpszPath, bFileNameModified);
  92   if (!hGroup)
  93     MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
  94
  95   LocalFree(hBuffer);
  96
  97   return(hGroup);
  98 }
  99
 100 /***********************************************************************
 101  *
 102  *           GRPFILE_ReadFileToBuffer
 103  */
 104
 105 static BOOL GRPFILE_ReadFileToBuffer(LPCSTR path, HLOCAL *phBuffer,
 106                                      INT *piSize)
 107 {
 108   UINT    len, size;
 109   LPSTR  buffer;
 110   HLOCAL hBuffer, hNewBuffer;
 111   HFILE  file;
 112
 113   file=_lopen(path, OF_READ);
 114   if (file == HFILE_ERROR) return FALSE;
 115
 116   size = 0;
 117   hBuffer = LocalAlloc(LMEM_FIXED, size + MALLOCHUNK + 1);
 118   if (!hBuffer) return FALSE;
 119   buffer = LocalLock(hBuffer);
 120
 121   while ((len = _lread(file, buffer + size, MALLOCHUNK))
 122          == MALLOCHUNK)
 123     {
 124       size += len;
 125       hNewBuffer = LocalReAlloc(hBuffer, size + MALLOCHUNK + 1,
 126                                 LMEM_FIXED);
 127       if (!hNewBuffer)
 128         {
 129           LocalFree(hBuffer);
 130           return FALSE;
 131         }
 132       hBuffer = hNewBuffer;
 133       buffer = LocalLock(hBuffer);
 134     }
 135
 136   _lclose(file);
 137
 138   if (len == (UINT)HFILE_ERROR)
 139     {
 140       LocalFree(hBuffer);
 141       return FALSE;
 142     }
 143
 144   size += len;
 145   buffer[size] = 0;
 146
 147   *phBuffer = hBuffer;
 148   *piSize   = size;
 149   return TRUE;
 150 }
 151
 152 /***********************************************************************
 153  *           GRPFILE_ScanGroup
 154  */
 155
 156 static HLOCAL GRPFILE_ScanGroup(LPCSTR buffer, INT size,
 157                                 LPCSTR lpszGrpFile,
 158                                 BOOL bModifiedFileName)
 159 {
 160   HLOCAL  hGroup;
 161   INT     i, seqnum;
 162   LPCSTR  extension;
 163   LPCSTR  lpszName;
 164   INT     x, y, width, height, iconx, icony, nCmdShow;
 165   INT     number_of_programs;
 166   BOOL    bOverwriteFileOk;
 167
 168   if (buffer[0] != 'P' || buffer[1] != 'M') return(0);
 169   if (buffer[2] == 'C' && buffer[3] == 'C')
 170     /* original with checksum */
 171     bOverwriteFileOk = FALSE;
 172   else if (buffer[2] == 'X' && buffer[3] == 'X')
 173     /* modified without checksum */
 174     bOverwriteFileOk = TRUE;
 175   else return(0);
 176
 177   /* checksum = GET_USHORT(buffer, 4)   (ignored) */
 178
 179   extension = buffer + GET_USHORT(buffer, 6);
 180   if (extension == buffer + size) extension = 0;
 181   else if (extension + 6 > buffer + size) return(0);
 182
 183   nCmdShow = GET_USHORT(buffer,  8);
 184   x        = GET_SHORT(buffer,  10);
 185   y        = GET_SHORT(buffer,  12);
 186   width    = GET_USHORT(buffer, 14);
 187   height   = GET_USHORT(buffer, 16);
 188   iconx    = GET_SHORT(buffer,  18);
 189   icony    = GET_SHORT(buffer,  20);
 190   lpszName = buffer + GET_USHORT(buffer, 22);
 191   if (lpszName >= buffer + size) return(0);
 192
 193   /* unknown bytes 24 - 31 ignored */
 194   /*
 195     Unknown bytes should be:
 196     wLogPixelsX = GET_SHORT(buffer, 24);
 197     wLogPixelsY = GET_SHORT(buffer, 26);
 198     byBitsPerPixel = byte at 28;
 199     byPlanes     = byte at 29;
 200     wReserved   = GET_SHORT(buffer, 30);
 201     */
 202
 203   hGroup = GROUP_AddGroup(lpszName, lpszGrpFile, nCmdShow, x, y,
 204                           width, height, iconx, icony,
 205                           bModifiedFileName, bOverwriteFileOk,
 206                           TRUE);
 207   if (!hGroup) return(0);
 208
 209   number_of_programs = GET_USHORT(buffer, 32);
 210   if (2 * number_of_programs + 34 > size) return(0);
 211   for (i=0, seqnum=0; i < number_of_programs; i++, seqnum++)
 212     {
 213       LPCSTR program_ptr = buffer + GET_USHORT(buffer, 34 + 2*i);
 214       if (program_ptr + 24 > buffer + size) return(0);
 215       if (!GET_USHORT(buffer, 34 + 2*i)) continue;
 216       if (!GRPFILE_ScanProgram(buffer, size, program_ptr, seqnum,
 217                                extension, hGroup, lpszGrpFile))
 218         {
 219           GROUP_DeleteGroup(hGroup);
 220           return(0);
 221         }
 222     }
 223
 224   /* FIXME shouldn't be necessary */
 225   GROUP_ShowGroupWindow(hGroup);
 226
 227   return hGroup;
 228 }
 229
 230 /***********************************************************************
 231  *           GRPFILE_ScanProgram
 232  */
 233
 234 static HLOCAL GRPFILE_ScanProgram(LPCSTR buffer, INT size,
 235                                   LPCSTR program_ptr, INT seqnum,
 236                                   LPCSTR extension, HLOCAL hGroup,
 237                                   LPCSTR lpszGrpFile)
 238 {
 239   INT    icontype;
 240   HICON  hIcon;
 241   LPCSTR lpszName, lpszCmdLine, lpszIconFile, lpszWorkDir;
 242   LPCSTR iconinfo_ptr, iconANDbits_ptr, iconXORbits_ptr;
 243   INT    x, y, nIconIndex, iconANDsize, iconXORsize;
 244   INT    nHotKey, nCmdShow;
 245   CURSORICONINFO iconinfo;
 246
 247   x               = GET_SHORT(program_ptr, 0);
 248   y               = GET_SHORT(program_ptr, 2);
 249   nIconIndex      = GET_USHORT(program_ptr, 4);
 250
 251   /* FIXME is this correct ?? */
 252   icontype = GET_USHORT(program_ptr,  6);
 253   switch (icontype)
 254     {
 255     default:
 256       MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s, lpszGrpFile,
 257                            IDS_WARNING, MB_OK);
 258     case 0x048c:
 259       iconXORsize     = GET_USHORT(program_ptr,  8);
 260       iconANDsize     = GET_USHORT(program_ptr, 10) / 8;
 261       iconinfo_ptr    = buffer + GET_USHORT(program_ptr, 12);
 262       iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 14);
 263       iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 16);
 264       iconinfo.ptHotSpot.x   = GET_USHORT(iconinfo_ptr, 0);
 265       iconinfo.ptHotSpot.y   = GET_USHORT(iconinfo_ptr, 2);
 266       iconinfo.nWidth        = GET_USHORT(iconinfo_ptr, 4);
 267       iconinfo.nHeight       = GET_USHORT(iconinfo_ptr, 6);
 268       iconinfo.nWidthBytes   = GET_USHORT(iconinfo_ptr, 8);
 269       iconinfo.bPlanes       = GET_USHORT(iconinfo_ptr, 10);
 270       iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
 271       break;
 272     case 0x000c:
 273       iconANDsize     = GET_USHORT(program_ptr,  8);
 274       iconXORsize     = GET_USHORT(program_ptr, 10);
 275       iconinfo_ptr    = buffer + GET_USHORT(program_ptr, 12);
 276       iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 14);
 277       iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 16);
 278       iconinfo.ptHotSpot.x   = GET_USHORT(iconinfo_ptr, 0);
 279       iconinfo.ptHotSpot.y   = GET_USHORT(iconinfo_ptr, 2);
 280       iconinfo.nWidth        = GET_USHORT(iconinfo_ptr, 4);
 281       iconinfo.nHeight       = GET_USHORT(iconinfo_ptr, 6);
 282       iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8) * 8;
 283       iconinfo.bPlanes       = GET_USHORT(iconinfo_ptr, 10);
 284       iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
 285     }
 286
 287   if (iconANDbits_ptr + iconANDsize > buffer + size ||
 288       iconXORbits_ptr + iconXORsize > buffer + size) return(0);
 289
 290   hIcon = CreateIcon( Globals.hInstance, iconinfo.nWidth, iconinfo.nHeight,
 291                       iconinfo.bPlanes, iconinfo.bBitsPerPixel,
 292                       iconANDbits_ptr, iconXORbits_ptr );
 293
 294   lpszName        = buffer + GET_USHORT(program_ptr, 18);
 295   lpszCmdLine     = buffer + GET_USHORT(program_ptr, 20);
 296   lpszIconFile    = buffer + GET_USHORT(program_ptr, 22);
 297   if (iconinfo_ptr + 6 > buffer + size ||
 298       lpszName         > buffer + size ||
 299       lpszCmdLine      > buffer + size ||
 300       lpszIconFile     > buffer + size) return(0);
 301
 302   /* Scan Extensions */
 303   lpszWorkDir = "";
 304   nHotKey     = 0;
 305   nCmdShow    = SW_SHOWNORMAL;
 306   if (extension)
 307     {
 308       LPCSTR ptr = extension;
 309       while (ptr + 6 <= buffer + size)
 310         {
 311           UINT type   = GET_USHORT(ptr, 0);
 312           UINT number = GET_USHORT(ptr, 2);
 313           UINT skip   = GET_USHORT(ptr, 4);
 314
 315           if (number == seqnum)
 316             {
 317               switch (type)
 318                 {
 319                 case 0x8000:
 320                   if (ptr + 10 > buffer + size) return(0);
 321                   if (ptr[6] != 'P' || ptr[7] != 'M' ||
 322                       ptr[8] != 'C' || ptr[9] != 'C') return(0);
 323                   break;
 324                 case 0x8101:
 325                   lpszWorkDir = ptr + 6;
 326                   break;
 327                 case 0x8102:
 328                   if (ptr + 8 > buffer + size) return(0);
 329                   nHotKey = GET_USHORT(ptr, 6);
 330                   break;
 331                 case 0x8103:
 332                   if (ptr + 8 > buffer + size) return(0);
 333                   nCmdShow = GET_USHORT(ptr, 6);
 334                   break;
 335                 default:
 336                   MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s,
 337                                        lpszGrpFile, IDS_WARNING, MB_OK);
 338                 }
 339             }
 340           if (!skip) break;
 341           ptr += skip;
 342         }
 343     }
 344
 345   return (PROGRAM_AddProgram(hGroup, hIcon, lpszName, x, y,
 346                              lpszCmdLine, lpszIconFile,
 347                              nIconIndex, lpszWorkDir,
 348                              nHotKey, nCmdShow));
 349 }
 350
 351 /***********************************************************************
 352  *
 353  *           GRPFILE_WriteGroupFile
 354  */
 355
 356 BOOL GRPFILE_WriteGroupFile(HLOCAL hGroup)
 357 {
 358   CHAR szPath[MAX_PATHNAME_LEN];
 359   PROGGROUP *group = LocalLock(hGroup);
 360   OFSTRUCT dummy;
 361   HFILE file;
 362   BOOL ret;
 363
 364   GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
 365                          MAX_PATHNAME_LEN,
 366                          group->bFileNameModified);
 367
 368   /* Try not to overwrite original files */
 369
 370   /* group->bOverwriteFileOk == TRUE only if a file has the modified format */
 371   if (!group->bOverwriteFileOk &&
 372       OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
 373     {
 374       /* Original file exists, try `.gr' extension */
 375       GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
 376                              MAX_PATHNAME_LEN, TRUE);
 377       if (OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
 378         {
 379           /* File exists. Do not overwrite */
 380           MAIN_MessageBoxIDS_s(IDS_FILE_NOT_OVERWRITTEN_s, szPath,
 381                                IDS_INFO, MB_OK);
 382           return FALSE;
 383         }
 384       /* Inform about the modified file name */
 385       if (IDCANCEL ==
 386           MAIN_MessageBoxIDS_s(IDS_SAVE_GROUP_AS_s, szPath, IDS_INFO,
 387                                MB_OKCANCEL | MB_ICONINFORMATION))
 388         return FALSE;
 389     }
 390
 391   {
 392     /* Warn about the (possible) incompatibility */
 393     CHAR msg[MAX_PATHNAME_LEN + 200];
 394     wsprintf(msg,
 395              "Group files written by this DRAFT Program Manager "
 396              "possibly cannot be read by the Microsoft Program Manager!!\n"
 397              "Are you sure to write %s?", szPath);
 398     if (IDOK != MessageBox(Globals.hMainWnd, msg, "WARNING",
 399                            MB_OKCANCEL | MB_DEFBUTTON2)) return FALSE;
 400   }
 401
 402   /* Open file */
 403   file = _lcreat(szPath, 0);
 404   if (file != HFILE_ERROR)
 405     {
 406       ret = GRPFILE_DoWriteGroupFile(file, group);
 407       _lclose(file);
 408     }
 409   else ret = FALSE;
 410
 411   if (!ret)
 412     MAIN_MessageBoxIDS_s(IDS_FILE_WRITE_ERROR_s, szPath, IDS_ERROR, MB_OK);
 413
 414   return(ret);
 415 }
 416
 417 /***********************************************************************
 418  *
 419  *           GRPFILE_CalculateSizes
 420  */
 421
 422 static VOID GRPFILE_CalculateSizes(PROGRAM *program,
 423                                    INT *Progs, INT *Icons)
 424 {
 425   CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 426   INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 427   INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 428
 429   *Progs += 24;
 430   *Progs += lstrlen(LocalLock(program->hName)) + 1;
 431   *Progs += lstrlen(LocalLock(program->hCmdLine)) + 1;
 432   *Progs += lstrlen(LocalLock(program->hIconFile)) + 1;
 433
 434   *Icons += 12; /* IconInfo */
 435   *Icons += sizeAnd;
 436   *Icons += sizeXor;
 437 }
 438
 439 /***********************************************************************/
 440 UINT16 GRPFILE_checksum;
 441 BOOL GRPFILE_checksum_half_word;
 442 BYTE GRPFILE_checksum_last_byte;
 443 /***********************************************************************
 444  *
 445  *           GRPFILE_InitChecksum
 446  */
 447
 448 static void GRPFILE_InitChecksum(void)
 449 {
 450         GRPFILE_checksum = 0;
 451         GRPFILE_checksum_half_word = 0;
 452 }
 453
 454 /***********************************************************************
 455  *
 456  *           GRPFILE_GetChecksum
 457  */
 458
 459 static UINT16 GRPFILE_GetChecksum(void)
 460 {
 461         return GRPFILE_checksum;
 462 }
 463
 464 /***********************************************************************
 465  *
 466  *           GRPFILE_WriteWithChecksum
 467  *
 468  * Looks crazier than it is:
 469  *
 470  * chksum = 0;
 471  * chksum = cksum - 1. word;
 472  * chksum = cksum - 2. word;
 473  * ...
 474  *
 475  * if (filelen is even)
 476  *      great I'm finished
 477  * else
 478  *      ignore last byte
 479  */
 480
 481 static UINT GRPFILE_WriteWithChecksum(HFILE file, LPCSTR str, UINT size)
 482 {
 483         UINT i;
 484         if (GRPFILE_checksum_half_word) {
 485                 GRPFILE_checksum -= GRPFILE_checksum_last_byte;
 486         }
 487         for (i=0; i < size; i++) {
 488                 if (GRPFILE_checksum_half_word) {
 489                         GRPFILE_checksum -= str[i] << 8;
 490                 } else {
 491                         GRPFILE_checksum -= str[i];
 492                 }
 493                 GRPFILE_checksum_half_word ^= 1;
 494         }
 495
 496         if (GRPFILE_checksum_half_word) {
 497                 GRPFILE_checksum_last_byte = str[size-1];
 498                 GRPFILE_checksum += GRPFILE_checksum_last_byte;
 499         }
 500
 501         return _lwrite(file, str, size);
 502 }
 503
 504
 505 /***********************************************************************
 506  *
 507  *           GRPFILE_DoWriteGroupFile
 508  */
 509
 510 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group)
 511 {
 512   CHAR buffer[34];
 513   HLOCAL hProgram;
 514   INT    NumProg, Title, Progs, Icons, Extension;
 515   INT    CurrProg, CurrIcon, nCmdShow, ptr, seqnum;
 516   BOOL   need_extension;
 517   LPCSTR lpszTitle = LocalLock(group->hName);
 518
 519   UINT16 checksum;
 520
 521   GRPFILE_InitChecksum();
 522
 523   /* Calculate offsets */
 524   NumProg = 0;
 525   Icons   = 0;
 526   Extension = 0;
 527   need_extension = FALSE;
 528   hProgram = group->hPrograms;
 529   while(hProgram)
 530     {
 531       PROGRAM *program = LocalLock(hProgram);
 532       LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
 533
 534       NumProg++;
 535       GRPFILE_CalculateSizes(program, &Icons, &Extension);
 536
 537       /* Set a flag if an extension is needed */
 538       if (lpszWorkDir[0] || program->nHotKey ||
 539           program->nCmdShow != SW_SHOWNORMAL) need_extension = TRUE;
 540
 541       hProgram = program->hNext;
 542     }
 543   Title      = 34 + NumProg * 2;
 544   Progs      = Title + lstrlen(lpszTitle) + 1;
 545   Icons     += Progs;
 546   Extension += Icons;
 547
 548   /* Header */
 549   buffer[0] = 'P';
 550   buffer[1] = 'M';
 551   buffer[2] = 'C';
 552   buffer[3] = 'C';
 553
 554   PUT_SHORT(buffer,  4, 0); /* Checksum zero for now, written later */
 555   PUT_SHORT(buffer,  6, Extension);
 556   /* Update group->nCmdShow */
 557   if (IsIconic(group->hWnd))      nCmdShow = SW_SHOWMINIMIZED;
 558   else if (IsZoomed(group->hWnd)) nCmdShow = SW_SHOWMAXIMIZED;
 559   else                            nCmdShow = SW_SHOWNORMAL;
 560   PUT_SHORT(buffer,  8, nCmdShow);
 561   PUT_SHORT(buffer, 10, group->x);
 562   PUT_SHORT(buffer, 12, group->y);
 563   PUT_SHORT(buffer, 14, group->width);
 564   PUT_SHORT(buffer, 16, group->height);
 565   PUT_SHORT(buffer, 18, group->iconx);
 566   PUT_SHORT(buffer, 20, group->icony);
 567   PUT_SHORT(buffer, 22, Title);
 568   PUT_SHORT(buffer, 24, 0x0020); /* unknown */
 569   PUT_SHORT(buffer, 26, 0x0020); /* unknown */
 570   PUT_SHORT(buffer, 28, 0x0108); /* unknown */
 571   PUT_SHORT(buffer, 30, 0x0000); /* unknown */
 572   PUT_SHORT(buffer, 32, NumProg);
 573
 574   if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 34)) return FALSE;
 575
 576   /* Program table */
 577   CurrProg = Progs;
 578   CurrIcon = Icons;
 579   hProgram = group->hPrograms;
 580   while(hProgram)
 581     {
 582       PROGRAM *program = LocalLock(hProgram);
 583
 584       PUT_SHORT(buffer, 0, CurrProg);
 585       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 2))
 586               return FALSE;
 587
 588       GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
 589       hProgram = program->hNext;
 590     }
 591
 592   /* Title */
 593   if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszTitle,
 594                                                lstrlen(lpszTitle) + 1))
 595     return FALSE;
 596
 597   /* Program entries */
 598   CurrProg = Progs;
 599   CurrIcon = Icons;
 600   hProgram = group->hPrograms;
 601   while(hProgram)
 602     {
 603       PROGRAM *program = LocalLock(hProgram);
 604       CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 605       LPCSTR Name     = LocalLock(program->hName);
 606       LPCSTR CmdLine  = LocalLock(program->hCmdLine);
 607       LPCSTR IconFile = LocalLock(program->hIconFile);
 608       INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 609       INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 610
 611       PUT_SHORT(buffer,  0, program->x);
 612       PUT_SHORT(buffer,  2, program->y);
 613       PUT_SHORT(buffer,  4, program->nIconIndex);
 614       PUT_SHORT(buffer,  6, 0x048c);            /* unknown */
 615       PUT_SHORT(buffer,  8, sizeXor);
 616       PUT_SHORT(buffer, 10, sizeAnd * 8);
 617       PUT_SHORT(buffer, 12, CurrIcon);
 618       PUT_SHORT(buffer, 14, CurrIcon + 12 + sizeAnd);
 619       PUT_SHORT(buffer, 16, CurrIcon + 12);
 620       ptr = CurrProg + 24;
 621       PUT_SHORT(buffer, 18, ptr);
 622       ptr += lstrlen(Name) + 1;
 623       PUT_SHORT(buffer, 20, ptr);
 624       ptr += lstrlen(CmdLine) + 1;
 625       PUT_SHORT(buffer, 22, ptr);
 626
 627       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 24) ||
 628           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, Name, lstrlen(Name) + 1) ||
 629           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, CmdLine, lstrlen(CmdLine) + 1) ||
 630           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, IconFile, lstrlen(IconFile) + 1))
 631         return FALSE;
 632
 633       GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
 634       hProgram = program->hNext;
 635     }
 636
 637   /* Icons */
 638 #if 0  /* FIXME: this is broken anyway */
 639   hProgram = group->hPrograms;
 640   while(hProgram)
 641     {
 642       PROGRAM *program = LocalLock(hProgram);
 643       CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
 644       LPVOID XorBits, AndBits;
 645       INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
 646       INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
 647       /* DumpIcon16(LocalLock(program->hIcon), 0, &XorBits, &AndBits);*/
 648
 649       PUT_SHORT(buffer, 0, iconinfo->ptHotSpot.x);
 650       PUT_SHORT(buffer, 2, iconinfo->ptHotSpot.y);
 651       PUT_SHORT(buffer, 4, iconinfo->nWidth);
 652       PUT_SHORT(buffer, 6, iconinfo->nHeight);
 653       PUT_SHORT(buffer, 8, iconinfo->nWidthBytes);
 654       buffer[10] = iconinfo->bPlanes;
 655       buffer[11] = iconinfo->bBitsPerPixel;
 656
 657       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 12) ||
 658           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, AndBits, sizeAnd) ||
 659           (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, XorBits, sizeXor)) return FALSE;
 660
 661       hProgram = program->hNext;
 662     }
 663 #endif
 664
 665   if (need_extension)
 666     {
 667       /* write `PMCC' extension */
 668       PUT_SHORT(buffer, 0, 0x8000);
 669       PUT_SHORT(buffer, 2, 0xffff);
 670       PUT_SHORT(buffer, 4, 0x000a);
 671       buffer[6] = 'P', buffer[7] = 'M';
 672       buffer[8] = 'C', buffer[9] = 'C';
 673       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 10))
 674               return FALSE;
 675
 676       seqnum = 0;
 677       hProgram = group->hPrograms;
 678       while(hProgram)
 679         {
 680           PROGRAM *program = LocalLock(hProgram);
 681           LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
 682
 683           /* Working directory */
 684           if (lpszWorkDir[0])
 685             {
 686               PUT_SHORT(buffer, 0, 0x8101);
 687               PUT_SHORT(buffer, 2, seqnum);
 688               PUT_SHORT(buffer, 4, 7 + lstrlen(lpszWorkDir));
 689               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6) ||
 690                   (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszWorkDir, lstrlen(lpszWorkDir) + 1))
 691                 return FALSE;
 692             }
 693
 694           /* Hot key */
 695           if (program->nHotKey)
 696             {
 697               PUT_SHORT(buffer, 0, 0x8102);
 698               PUT_SHORT(buffer, 2, seqnum);
 699               PUT_SHORT(buffer, 4, 8);
 700               PUT_SHORT(buffer, 6, program->nHotKey);
 701               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
 702             }
 703
 704           /* Show command */
 705           if (program->nCmdShow)
 706             {
 707               PUT_SHORT(buffer, 0, 0x8103);
 708               PUT_SHORT(buffer, 2, seqnum);
 709               PUT_SHORT(buffer, 4, 8);
 710               PUT_SHORT(buffer, 6, program->nCmdShow);
 711               if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
 712             }
 713
 714           seqnum++;
 715           hProgram = program->hNext;
 716         }
 717
 718       /* Write `End' extension */
 719       PUT_SHORT(buffer, 0, 0xffff);
 720       PUT_SHORT(buffer, 2, 0xffff);
 721       PUT_SHORT(buffer, 4, 0x0000);
 722       if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6)) return FALSE;
 723     }
 724
 725   checksum = GRPFILE_GetChecksum();
 726   _llseek(file, 4, SEEK_SET);
 727   PUT_SHORT(buffer, 0, checksum);
 728   _lwrite(file, buffer, 2);
 729
 730   return TRUE;
 731 }
 732
 733 /* Local Variables:    */
 734 /* c-file-style: "GNU" */
 735 /* End:                */