src/cboard.c

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2002-2006 Ben Kibbey <bjk@luxsci.net>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22 #include <err.h>
  23 #include <sys/types.h>
  24 #include <sys/time.h>
  25 #include <sys/socket.h>
  26 #include <sys/stat.h>
  27 #include <string.h>
  28 #include <panel.h>
  29 #include <errno.h>
  30 #include <ctype.h>
  31 #include <pwd.h>
  32 #include <signal.h>
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #ifdef HAVE_REGEX_H
  39 #include <regex.h>
  40 #endif
  41
  42 #include "common.h"
  43 #include "colors.h"
  44 #include "cboard.h"
  45
  46 char *random_agony(GAME g)
  47 {
  48     static int n;
  49     FILE *fp;
  50     char line[LINE_MAX];
  51
  52     if (n == -1 || !config.agony || !curses_initialized ||
  53             (g.mode == MODE_HISTORY && !config.historyagony))
  54         return NULL;
  55
  56     if (!agony) {
  57         if ((fp = fopen(config.agonyfile, "r")) == NULL) {
  58             n = -1;
  59             cmessage(ERROR, ANYKEY, "%s: %s", config.agonyfile, strerror(errno));
  60             return NULL;
  61         }
  62
  63         while (!feof(fp)) {
  64             if (fscanf(fp, " %[^\n] ", line) == 1) {
  65                 agony = Realloc(agony, (n + 2) * sizeof(char *));
  66                 agony[n++] = strdup(trim(line));
  67             }
  68         }
  69
  70         agony[n] = NULL;
  71         fclose(fp);
  72
  73         if (agony[0] == NULL || !n) {
  74             n = -1;
  75             return NULL;
  76         }
  77     }
  78
  79     return agony[random() % n];
  80 }
  81
  82 void draw_board(GAME g, int crow, int ccol)
  83 {
  84     int row, col;
  85     int bcol = 0, brow = 0;
  86     int maxy = BOARD_HEIGHT, maxx = BOARD_WIDTH;
  87     int ncols = 0, offset = 1;
  88     unsigned coords_y = 8;
  89
  90     for (row = 0; row < maxy; row++) {
  91         bcol = 0;
  92
  93         for (col = 0; col < maxx; col++) {
  94             int attrwhich = -1;
  95             int attrs = 0;
  96             chtype piece, movecount = 0;
  97             int bold = 0;
  98
  99             if (row == 0 || row == maxy - 2) {
 100                 if (col == 0)
 101                     mvwaddch(boardw, row, col,
 102                             LINE_GRAPHIC((row) ?
 103                                 ACS_LLCORNER | CP_BOARD_GRAPHICS :
 104                                 ACS_ULCORNER | CP_BOARD_GRAPHICS));
 105                 else if (col == maxx - 2)
 106                     mvwaddch(boardw, row, col,
 107                             LINE_GRAPHIC((row) ?
 108                                 ACS_LRCORNER | CP_BOARD_GRAPHICS :
 109                                 ACS_URCORNER | CP_BOARD_GRAPHICS));
 110                 else if (!(col % 4))
 111                     mvwaddch(boardw, row, col,
 112                             LINE_GRAPHIC((row) ?
 113                                 ACS_BTEE | CP_BOARD_GRAPHICS :
 114                                 ACS_TTEE | CP_BOARD_GRAPHICS));
 115                 else {
 116                     if (col != maxx - 1)
 117                         mvwaddch(boardw, row, col,
 118                                 LINE_GRAPHIC(ACS_HLINE | CP_BOARD_GRAPHICS));
 119                 }
 120
 121                 continue;
 122             }
 123
 124             if ((row % 2) && col == maxx - 1 && coords_y) {
 125                 wattron(boardw, CP_BOARD_COORDS);
 126                 mvwprintw(boardw, row, col, "%d", coords_y--);
 127                 wattroff(boardw, CP_BOARD_COORDS);
 128                 continue;
 129             }
 130
 131             if ((col == 0 || col == maxx - 2) && row != maxy - 1) {
 132                 if (!(row % 2))
 133                     mvwaddch(boardw, row, col,
 134                             LINE_GRAPHIC((col) ?
 135                                 ACS_RTEE | CP_BOARD_GRAPHICS :
 136                                 ACS_LTEE | CP_BOARD_GRAPHICS));
 137                 else
 138                     mvwaddch(boardw, row, col,
 139                             LINE_GRAPHIC(ACS_VLINE | CP_BOARD_GRAPHICS));
 140
 141                 continue;
 142             }
 143
 144             if ((row % 2) && !(col % 4) && row != maxy - 1) {
 145                 mvwaddch(boardw, row, col,
 146                         LINE_GRAPHIC(ACS_VLINE | CP_BOARD_GRAPHICS));
 147                 continue;
 148             }
 149
 150             if (!(col % 4) && row != maxy - 1) {
 151                 mvwaddch(boardw, row, col,
 152                         LINE_GRAPHIC(ACS_PLUS | CP_BOARD_GRAPHICS));
 153                 continue;
 154             }
 155
 156             if ((row % 2)) {
 157                 if ((col % 4)) {
 158                     if (ncols++ == 8) {
 159                         offset++;
 160                         ncols = 1;
 161                     }
 162
 163                     if (((ncols % 2) && !(offset % 2)) || (!(ncols % 2)
 164                                 && (offset % 2)))
 165                         attrwhich = BLACK;
 166                     else
 167                         attrwhich = WHITE;
 168
 169                     if (config.validmoves && g.b[brow][bcol].valid) {
 170                         attrs = (attrwhich == WHITE) ? CP_BOARD_MOVES_WHITE :
 171                             CP_BOARD_MOVES_BLACK;
 172
 173                         if (g.b[brow][bcol].movecount) {
 174                             if (brow + 1 != crow && bcol + 1 != ccol)
 175                                 movecount = (g.b[brow][bcol].movecount + '0');
 176                         }
 177                     }
 178                     else
 179                         attrs = (attrwhich == WHITE) ? CP_BOARD_WHITE :
 180                             CP_BOARD_BLACK;
 181
 182                     if (row == ROWTOMATRIX(crow) && col == COLTOMATRIX(ccol)) {
 183                         attrs = CP_BOARD_CURSOR;
 184                     }
 185
 186                     if (row == ROWTOMATRIX(g.sp.row) &&
 187                             col == COLTOMATRIX(g.sp.col)) {
 188                         attrs = CP_BOARD_SELECTED;
 189                     }
 190
 191                     if (row == maxy - 1)
 192                         attrs = 0;
 193
 194                     mvwaddch(boardw, row, col, ' ' | attrs);
 195
 196                     if (row == maxy - 1)
 197                         waddch(boardw, x_grid_chars[bcol] | CP_BOARD_COORDS);
 198                     else {
 199                         piece = g.b[row / 2][bcol].icon;
 200
 201                         if (attrs & A_BOLD)
 202                             bold = 1;
 203
 204                         if (g.side == WHITE && isupper(piece))
 205                             attrs |= A_BOLD;
 206                         else if (g.side == BLACK && islower(piece))
 207                             attrs |= A_BOLD;
 208
 209                         waddch(boardw, (piece && piece != int_to_piece(g, OPEN_SQUARE)) ? piece | attrs : ' ' | attrs);
 210
 211                         if (!bold)
 212                             attrs &= ~(A_BOLD);
 213                     }
 214
 215                     if (movecount && row != maxy -1)
 216                         waddch(boardw, movecount | CP_BOARD_COUNT);
 217                     else
 218                         waddch(boardw, ' ' | attrs);
 219
 220                     col += 2;
 221                     bcol++;
 222                 }
 223             }
 224             else {
 225                 if (col != maxx - 1)
 226                     mvwaddch(boardw, row, col,
 227                             LINE_GRAPHIC(ACS_HLINE | CP_BOARD_GRAPHICS));
 228             }
 229         }
 230
 231         brow = row / 2;
 232     }
 233 }
 234
 235 /* Convert the selected piece to SAN format and validate it. */
 236 static char *board_to_san(GAME *g)
 237 {
 238     static char str[MAX_PGN_MOVE_LEN + 1], *p;
 239     int piece;
 240     int promo;
 241     BOARD oldboard;
 242
 243     snprintf(str, sizeof(str), "%c%i%c%i", x_grid_chars[(*g).sp.col - 1],
 244             (*g).sp.row, x_grid_chars[(*g).sp.destcol - 1], (*g).sp.destrow);
 245
 246     p = str;
 247     piece = piece_to_int((*g).b[ROWTOBOARD((*g).sp.row)][COLTOBOARD((*g).sp.col)].icon);
 248
 249     if (piece == PAWN && (((*g).sp.destrow == 8 && (*g).turn == WHITE) ||
 250                     ((*g).sp.destrow == 1 && (*g).turn == BLACK))) {
 251         promo = cmessage(PROMOTION_TITLE, PROMOTION_PROMPT, PROMOTION_TEXT);
 252
 253         if (piece_to_int(promo) == -1)
 254             return NULL;
 255
 256         p = str + strlen(str);
 257         *p++ = toupper(promo);
 258         *p = '\0';
 259     }
 260
 261     memcpy(oldboard, (*g).b, sizeof(BOARD));
 262
 263     if ((p = a2a4tosan(g, str)) == NULL) {
 264         cmessage(p, ANYKEY, "%s", E_A2A4_PARSE);
 265         memcpy((*g).b, oldboard, sizeof(BOARD));
 266         return NULL;
 267     }
 268
 269     if (parse_move_text(g, p)) {
 270         invalid_move((*g).n, p);
 271         memcpy((*g).b, oldboard, sizeof(BOARD));
 272         return NULL;
 273     }
 274
 275     return p;
 276 }
 277
 278 static int move_to_engine(GAME *g)
 279 {
 280     char *p;
 281
 282     if ((p = board_to_san(g)) == NULL)
 283         return 0;
 284
 285     (*g).sp.row = (*g).sp.col = (*g).sp.icon = 0;
 286
 287     if (noengine) {
 288         add_to_history(&(*g).hp, &(*g).hindex, &(*g).htotal, p);
 289         switch_turn(&(*g));
 290         SET_FLAG((*g).flags, GF_MODIFIED);
 291         update_all(*g);
 292         return 1;
 293     }
 294
 295     SEND_TO_ENGINE("%s\n", p);
 296     return 1;
 297 }
 298
 299 char *book_method(int method)
 300 {
 301     char *book;
 302
 303     switch (method) {
 304         case BOOK_BEST:
 305             book = BOOK_BEST_STR;
 306             break;
 307         case BOOK_WORST:
 308             book = BOOK_WORST_STR;
 309             break;
 310         case BOOK_PREFER:
 311             book = BOOK_PREFER_STR;
 312             break;
 313         case BOOK_RANDOM:
 314             book = BOOK_RANDOM_STR;
 315             break;
 316         case BOOK_OFF:
 317             book = BOOK_OFF_STR;
 318             break;
 319         default:
 320             book = UNKNOWN;
 321             break;
 322     }
 323
 324     return book;
 325 }
 326
 327 static void update_clock(int n, int *h, int *m, int *s)
 328 {
 329     *h = n / 3600;
 330     *m = (n % 3600) / 60;
 331     *s = (n % 3600) % 60;
 332
 333     return;
 334 }
 335
 336 void update_status_window(GAME g)
 337 {
 338     int i = 0;
 339     char buf[STATUS_WIDTH - 7];
 340     char tmp[15], *engine, *mode;
 341     int w = STATUS_WIDTH - 10;
 342     int h, m, s;
 343     char *p;
 344
 345     *tmp = '\0';
 346     p = tmp;
 347
 348     if (TEST_FLAG(g.flags, GF_DELETE)) {
 349         *p++ = '(';
 350         *p++ = 'x';
 351         i++;
 352     }
 353
 354     if (TEST_FLAG(g.flags, GF_PERROR)) {
 355         if (!i)
 356             *p++ = '(';
 357         else
 358             *p++ = '/';
 359
 360         *p++ = '!';
 361         i++;
 362     }
 363
 364     if (TEST_FLAG(g.flags, GF_MODIFIED)) {
 365         if (!i)
 366             *p++ = '(';
 367         else
 368             *p++ = '/';
 369
 370         *p++ = '*';
 371         i++;
 372     }
 373
 374     if (*tmp != '\0')
 375         *p++ = ')';
 376
 377     *p = '\0';
 378
 379     mvwprintw(statusw, 2, 1, "%*s %-*s", 7, STATUS_FILE_STR, w,
 380             (loadfile[0]) ? str_etc(loadfile, w, 1) : UNAVAILABLE);
 381     snprintf(buf, sizeof(buf), "%i %s %i %s", gindex + 1, N_OF_N_STR, gtotal,
 382             (*tmp) ? tmp : "");
 383     mvwprintw(statusw, 3, 1, "%*s %-*s", 7, STATUS_GAME_STR, w, buf);
 384
 385     switch (g.mode) {
 386         case MODE_HISTORY:
 387             mode = MODE_HISTORY_STR;
 388             break;
 389         case MODE_EDIT:
 390             mode = MODE_EDIT_STR;
 391             break;
 392         case MODE_PLAY:
 393             mode = MODE_PLAY_STR;
 394             break;
 395         default:
 396             mode = UNKNOWN;
 397             break;
 398     }
 399
 400     mvwprintw(statusw, 4, 1, "%*s %-*s", 7, STATUS_MODE_STR, w, mode);
 401
 402     switch (status.engine) {
 403         case ENGINE_THINKING:
 404             engine = ENGINE_THINKING_STR;
 405             break;
 406         case ENGINE_READY:
 407             engine = ENGINE_READY_STR;
 408             break;
 409         case ENGINE_INITIALIZING:
 410             engine = ENGINE_INITIALIZING_STR;
 411             break;
 412         case ENGINE_OFFLINE:
 413             engine = ENGINE_OFFLINE_STR;
 414             break;
 415         default:
 416             engine = UNKNOWN;
 417             break;
 418     }
 419
 420     mvwprintw(statusw, 5, 1, "%*s %-*s", 7, STATUS_ENGINE_STR, w, " ");
 421     wattron(statusw, CP_STATUS_ENGINE);
 422     mvwaddstr(statusw, 5, 9, engine);
 423     wattroff(statusw, CP_STATUS_ENGINE);
 424
 425     mvwprintw(statusw, 6, 1, "%*s %-*i", 7, STATUS_DEPTH_STR, w,
 426             config.engine_depth);
 427
 428     mvwprintw(statusw, 7, 1, "%*s %-*s", 7, STATUS_BOOK_STR, w,
 429             book_method(config.book_method));
 430
 431     mvwprintw(statusw, 8, 1, "%*s %-*s", 7, STATUS_TURN_STR, w,
 432             (g.turn == WHITE) ? WHITE_STR : BLACK_STR);
 433
 434     strncpy(tmp, WHITE_STR, sizeof(tmp));
 435     tmp[0] = toupper(tmp[0]);
 436     update_clock(g.moveclock, &h, &m, &s);
 437     snprintf(buf, sizeof(buf), "c/%-2i %.2i:%.2i:%.2i", g.wcaptures, h, m, s);
 438     mvwprintw(statusw, 9, 1, "%*s: %-*s", 6, tmp, w, buf);
 439
 440     strncpy(tmp, BLACK_STR, sizeof(tmp));
 441     tmp[0] = toupper(tmp[0]);
 442     update_clock(g.moveclock, &h, &m, &s);
 443     snprintf(buf, sizeof(buf), "c/%-2i %.2i:%.2i:%.2i", g.bcaptures, h, m, s);
 444     mvwprintw(statusw, 10, 1, "%*s: %-*s", 6, tmp, w, buf);
 445
 446     for (i = 1; i < STATUS_WIDTH - 4; i++)
 447         mvwprintw(statusw, STATUS_HEIGHT - 2, i, " ");
 448
 449     if (!status.notify)
 450         status.notify = strdup(GAME_HELP_PROMPT);
 451
 452     wattron(statusw, CP_STATUS_NOTIFY);
 453     mvwprintw(statusw, STATUS_HEIGHT - 2,
 454             CENTERX(STATUS_WIDTH, status.notify), "%s", status.notify);
 455     wattroff(statusw, CP_STATUS_NOTIFY);
 456 }
 457
 458 void update_history_window(GAME g)
 459 {
 460     char buf[HISTORY_WIDTH];
 461     HISTORY h;
 462     int n, total;
 463
 464     memset(&h, 0, sizeof(HISTORY));
 465     n = (g.hindex + 1) / 2;
 466
 467     if ((g.htotal % 2))
 468         total = (g.htotal + 1) / 2;
 469     else
 470         total = g.htotal / 2;
 471
 472     if (g.htotal)
 473         snprintf(buf, sizeof(buf), "%u %s %u%s",n, N_OF_N_STR, total,
 474                 (movestep == 1) ? HISTORY_MOVE_STEP : "");
 475     else
 476         strncpy(buf, UNAVAILABLE, sizeof(buf));
 477
 478     mvwprintw(historyw, 2, 1, "%*s %-*s", 10, HISTORY_MOVE_STR,
 479             HISTORY_WIDTH - 13, buf);
 480
 481     if (history_by_index(g, g.hindex, &h))
 482         memset(&h, 0, sizeof(HISTORY));
 483
 484     snprintf(buf, sizeof(buf), "%s %s", (h.move[0]) ? h.move : UNAVAILABLE,
 485             ((h.comment && h.comment[0]) || h.nag[0]) ? HISTORY_ANNO_NEXT : "");
 486     mvwprintw(historyw, 3, 1, "%s %-*s", HISTORY_MOVE_NEXT_STR,
 487             HISTORY_WIDTH - 13, buf);
 488
 489     if (history_by_index(g, game[gindex].hindex - 1, &h))
 490         memset(&h, 0, sizeof(HISTORY));
 491
 492     snprintf(buf, sizeof(buf), "%s %s", (h.move[0]) ? h.move : UNAVAILABLE,
 493             ((h.comment && h.comment[0]) || h.nag[0]) ? HISTORY_ANNO_PREV : "");
 494     mvwprintw(historyw, 4, 1, "%s %-*s", HISTORY_MOVE_PREV_STR,
 495             HISTORY_WIDTH - 13, buf);
 496 }
 497
 498 void update_tag_window(TAG *t)
 499 {
 500     int i;
 501     int w = TAG_WIDTH - 10;
 502
 503     for (i = 0; i < 7; i++) {
 504         char *value = t[i].value;
 505         int n;
 506
 507         if ((*value == '?' || *value == '-') && value[1] == '\0')
 508             value = UNAVAILABLE;
 509         else if (strcmp(t[i].name, "Result") == 0) {
 510             for (n = 0; n < NARRAY(fancy_results); n++) {
 511                 if (strcmp(value, fancy_results[n].pgn) == 0) {
 512                     value = fancy_results[n].fancy;
 513                     break;
 514                 }
 515             }
 516         }
 517
 518         value = str_etc(value, w, 0);
 519         mvwprintw(tagw, (i + 2), 1, "%*s: %-*s", 6, t[i].name, w, value);
 520     }
 521 }
 522
 523 void draw_prompt(WINDOW *win, int y, int width, const char *str, chtype attr)
 524 {
 525     int i;
 526
 527     wattron(win, attr);
 528
 529     for (i = 1; i < width - 1; i++)
 530         mvwaddch(win, y, i, ' ');
 531
 532     mvwprintw(win, y, CENTERX(width, str), "%s", str);
 533     wattroff(win, attr);
 534 }
 535
 536 void draw_window_title(WINDOW *win, const char *title, int width, chtype attr,
 537         chtype battr)
 538 {
 539     int i;
 540
 541     if (title) {
 542         wattron(win, attr);
 543
 544         for (i = 1; i < width - 1; i++)
 545             mvwaddch(win, 1, i, ' ');
 546
 547         mvwprintw(win, 1, CENTERX(width, title), "%s", title);
 548         wattroff(win, attr);
 549     }
 550
 551     wattron(win, battr);
 552     box(win, ACS_VLINE, ACS_HLINE);
 553     wattroff(win, battr);
 554 }
 555
 556 void update_all(GAME g)
 557 {
 558     update_status_window(g);
 559     update_history_window(g);
 560 }
 561
 562 static void game_next_prev(GAME g, int n, int count)
 563 {
 564     if (gtotal < 2)
 565         return;
 566
 567     if (n == 1) {
 568         if (gindex + count > gtotal - 1) {
 569             if (count != 1)
 570                 gindex = gtotal - 1;
 571             else
 572                 gindex = 0;
 573         }
 574         else
 575             gindex += count;
 576     }
 577     else {
 578         if (gindex - count < 0) {
 579             if (count != 1)
 580                 gindex = 0;
 581             else
 582                 gindex = gtotal - 1;
 583         }
 584         else
 585             gindex -= count;
 586     }
 587
 588     init_history(&g);
 589     update_all(g);
 590     update_tag_window(g.tag);
 591 }
 592
 593 void free_game_data(GAME g)
 594 {
 595     free_history_data(g.history, 0);
 596     free_tag_data(g.tag, g.tindex);
 597     memset(&g, 0, sizeof(GAME));
 598 }
 599
 600 void free_all_games()
 601 {
 602     int i;
 603
 604     for (i = 0; i < gtotal; i++)
 605         free_game_data(game[i]);
 606
 607     if (game)
 608         free(game);
 609     game = NULL;
 610 }
 611
 612 static void delete_game(int which)
 613 {
 614     GAME *g = NULL;
 615     int gi = 0;
 616     int i;
 617
 618     for (i = 0; i < gtotal; i++) {
 619         if (i == which || TEST_FLAG(game[i].flags, GF_DELETE)) {
 620             free_game_data(game[i]);
 621             continue;
 622         }
 623
 624         g = Realloc(g, (gi + 1) * sizeof(GAME));
 625         memcpy(&g[gi], &game[i], sizeof(GAME));
 626         g[gi].tag = game[i].tag;
 627         g[gi].history = game[i].history;
 628         g[gi].hp = game[i].hp;
 629         gi++;
 630     }
 631
 632     game = g;
 633     gtotal = gi;
 634
 635     if (which != -1) {
 636         if (which + 1 >= gtotal)
 637             gindex = gtotal - 1;
 638         else
 639             gindex = which;
 640     }
 641     else
 642         gindex = gtotal - 1;
 643
 644     game[gindex].hp = game[gindex].history;
 645 }
 646
 647 /* FIXME dont show out of reach counts. Diagonals. */
 648 /*
 649 static void number_valid_moves(BOARD b, int srow, int scol)
 650 {
 651     int row, col;
 652     int count;
 653
 654     for (row = srow + 1, col = scol, count = 1; VALIDFILE(row); row++) {
 655         if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 656             continue;
 657
 658         b[ROWTOBOARD(row)][COLTOBOARD(col)].movecount = count++;
 659     }
 660
 661     for (row = srow - 1, col = scol, count = 1; VALIDFILE(row); row--) {
 662         if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 663             continue;
 664
 665         b[ROWTOBOARD(row)][COLTOBOARD(col)].movecount = count++;
 666     }
 667
 668     for (col = scol + 1, row = srow, count = 1; VALIDFILE(col); col++) {
 669         if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 670             continue;
 671
 672         b[ROWTOBOARD(row)][COLTOBOARD(col)].movecount = count++;
 673     }
 674
 675     for (col = scol - 1, row = srow, count = 1; VALIDFILE(col); col--) {
 676         if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 677             continue;
 678
 679         b[ROWTOBOARD(row)][COLTOBOARD(col)].movecount = count++;
 680     }
 681
 682     return;
 683 }
 684 */
 685
 686 /*
 687 static void get_valid_cursor(BOARD b, int which, int count, int *crow,
 688         int *ccol, int minr, int maxr, int minc, int maxc)
 689 {
 690     int row, col;
 691     int incr, cincr;
 692
 693     if (which == UP || which == RIGHT)
 694         incr = 1;
 695     else
 696         incr = -(1);
 697
 698     switch (which) {
 699         case UP:
 700         case DOWN:
 701             if (count > 1) {
 702                 row = *crow;
 703
 704                 if (which == UP)
 705                     *crow += count;
 706                 else
 707                     *crow -= count;
 708
 709                 if (!VALIDFILE(*crow))
 710                     *crow = row;
 711             }
 712
 713             for (row = *crow + incr, col = *ccol; VALIDFILE(row); row += incr) {
 714                 if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 715                     continue;
 716
 717                 *crow = row;
 718                 goto done;
 719             }
 720
 721             break;
 722         case RIGHT:
 723         case LEFT:
 724             if (count > 1) {
 725                 col = *ccol;
 726
 727                 if (which == RIGHT)
 728                     *ccol += count;
 729                 else
 730                     *ccol -= count;
 731
 732                 if (!VALIDFILE(*ccol))
 733                     *ccol = col;
 734             }
 735
 736             for (col = *ccol + incr, row = *crow; VALIDFILE(col); col += incr) {
 737                 if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 738                     continue;
 739
 740                 *ccol = col;
 741                 goto done;
 742             }
 743
 744             break;
 745         default:
 746             break;
 747     }
 748
 749     if (*ccol < sp.col || (which == DOWN || which == LEFT))
 750         cincr = -(1);
 751     else
 752         cincr = 1;
 753
 754     if (*ccol < sp.col && (which == DOWN || which == LEFT))
 755         cincr = 1;
 756
 757     for (row = *crow + incr; VALIDFILE(row); row += incr) {
 758         for (col = *ccol + cincr; VALIDFILE(col); col += cincr) {
 759             if (!b[ROWTOBOARD(row)][COLTOBOARD(col)].valid)
 760                 continue;
 761
 762             *crow = row;
 763             *ccol = col;
 764             goto done;
 765         }
 766     }
 767
 768 done:
 769     number_valid_moves(board, *crow, *ccol);
 770     return;
 771 }
 772 */
 773
 774 static int find_move_exp(GAME g, const char *str, int init, int which,
 775         int count)
 776 {
 777     int i;
 778     int ret;
 779     static regex_t r;
 780     static int firstrun = 1;
 781     char errbuf[255];
 782     int incr;
 783     int found;
 784
 785     if (init) {
 786         if (!firstrun)
 787             regfree(&r);
 788
 789         if ((ret = regcomp(&r, str, REG_EXTENDED|REG_NOSUB)) != 0) {
 790             regerror(ret, &r, errbuf, sizeof(errbuf));
 791             cmessage(E_REGCOMP_TITLE, ANYKEY, "%s", errbuf);
 792             return -1;
 793         }
 794
 795         firstrun = 1;
 796     }
 797
 798     incr = (which == 0) ? -(1) : 1;
 799
 800     for (i = g.hindex + incr - 1, found = 0; ; i += incr) {
 801         if (i == g.hindex - 1)
 802             break;
 803
 804         if (i > g.htotal)
 805             i = 0;
 806         else if (i < 0)
 807             i = g.htotal;
 808
 809         // FIXME RAV
 810         ret = regexec(&r, g.hp[i].move, 0, 0, 0);
 811
 812         if (ret == 0) {
 813             if (count == ++found) {
 814                 return i + 1;
 815             }
 816         }
 817         else {
 818             if (ret != REG_NOMATCH) {
 819                 regerror(ret, &r, errbuf, sizeof(errbuf));
 820                 cmessage(E_REGEXEC_TITLE, ANYKEY, "%s", errbuf);
 821                 return -1;
 822             }
 823         }
 824     }
 825
 826     return -1;
 827 }
 828
 829 static int toggle_delete_flag(int n)
 830 {
 831     int i, x;
 832
 833     TOGGLE_FLAG(game[n].flags, GF_DELETE);
 834
 835     for (i = x = 0; i < gtotal; i++) {
 836         if (TEST_FLAG(game[i].flags, GF_DELETE))
 837             x++;
 838     }
 839
 840     if (x == gtotal) {
 841         cmessage(NULL, ANYKEY, "%s", E_DELETE_GAME);
 842         CLEAR_FLAG(game[n].flags, GF_DELETE);
 843         return 1;
 844     }
 845
 846     return 0;
 847 }
 848
 849 static void edit_save_tags(GAME *g)
 850 {
 851     int i;
 852     TAG *t;
 853
 854     if ((t = edit_tags(*g, 1)) == NULL)
 855         return;
 856
 857     (*g).tindex = 0;
 858
 859     for (i = 0; t[i].name; i++)
 860         add_tag(&(*g).tag, &(*g).tindex, t[i].name, t[i].value);
 861
 862     free_tag_data(t, i);
 863     SET_FLAG((*g).flags, GF_MODIFIED);
 864 }
 865
 866 static int find_game_exp(char *str, int which, int count)
 867 {
 868     char *nstr = NULL, *exp = NULL;
 869     regex_t nexp, vexp;
 870     int ret = -1;
 871     int g = 0;
 872     char buf[255], *tmp;
 873     char errbuf[255];
 874     int found = 0;
 875     int incr = (which == 0) ? -(1) : 1;
 876
 877     strncpy(buf, str, sizeof(buf));
 878     tmp = buf;
 879
 880     if (strstr(tmp, ":") != NULL) {
 881         nstr = strsep(&tmp, ":");
 882
 883         if ((ret = regcomp(&nexp, nstr,
 884                         REG_ICASE|REG_EXTENDED|REG_NOSUB)) != 0) {
 885             regerror(ret, &nexp, errbuf, sizeof(errbuf));
 886             cmessage(E_REGCOMP_TITLE, ANYKEY, "%s", errbuf);
 887             ret = g = -1;
 888             goto cleanup;
 889         }
 890     }
 891
 892     exp = tmp;
 893
 894     if (exp == NULL)
 895         goto cleanup;
 896
 897     if ((ret = regcomp(&vexp, exp, REG_EXTENDED|REG_NOSUB)) != 0) {
 898         regerror(ret, &vexp, errbuf, sizeof(errbuf));
 899         cmessage(E_REGCOMP_TITLE, ANYKEY, "%s", errbuf);
 900         ret = -1;
 901         goto cleanup;
 902     }
 903
 904     ret = -1;
 905
 906     for (g = gindex + incr, found = 0; ; g += incr) {
 907         int t;
 908
 909         if (g == gindex)
 910             break;
 911
 912         if (g == gtotal)
 913             g = 0;
 914         else if (g < 0)
 915             g = gtotal - 1;
 916
 917         for (t = 0; t < game[g].tindex; t++) {
 918             if (nstr) {
 919                 if (regexec(&nexp, game[g].tag[t].name, 0, 0, 0) == 0) {
 920                     if (regexec(&vexp, game[g].tag[t].value, 0, 0, 0) == 0) {
 921                         if (count == ++found) {
 922                             ret = g;
 923                             goto cleanup;
 924                         }
 925                     }
 926                 }
 927             }
 928             else {
 929                 if (regexec(&vexp, game[g].tag[t].value, 0, 0, 0) == 0) {
 930                     if (count == ++found) {
 931                         ret = g;
 932                         goto cleanup;
 933                     }
 934                 }
 935             }
 936         }
 937
 938         ret = -1;
 939     }
 940
 941 cleanup:
 942     if (nstr)
 943         regfree(&nexp);
 944
 945     if (g != -1)
 946         regfree(&vexp);
 947
 948     return ret;
 949 }
 950
 951 void edit_board(GAME *g)
 952 {
 953     chtype p;
 954
 955     p = (*g).b[ROWTOBOARD((*g).sp.row)][COLTOBOARD((*g).sp.col)].icon;
 956     (*g).b[ROWTOBOARD((*g).sp.destrow)][COLTOBOARD((*g).sp.destcol)].icon = p;
 957     (*g).b[ROWTOBOARD((*g).sp.row)][COLTOBOARD((*g).sp.col)].icon =
 958         int_to_piece(*g, OPEN_SQUARE);
 959 }
 960
 961 // Updates the notification line in the status window then refreshes the
 962 // status window.
 963 void update_status_notify(GAME g, char *fmt, ...)
 964 {
 965     va_list ap;
 966 #ifdef HAVE_VASPRINTF
 967     char *line;
 968 #else
 969     char line[COLS];
 970 #endif
 971
 972     if (!fmt) {
 973         if (status.notify) {
 974             free(status.notify);
 975             status.notify = NULL;
 976
 977             if (curses_initialized)
 978                 update_status_window(g);
 979         }
 980
 981         return;
 982     }
 983
 984     va_start(ap, fmt);
 985 #ifdef HAVE_VASPRINTF
 986     vasprintf(&line, fmt, ap);
 987 #else
 988     vsnprintf(line, sizeof(line), fmt, ap);
 989 #endif
 990     va_end(ap);
 991
 992     if (status.notify)
 993         free(status.notify);
 994
 995     status.notify = strdup(line);
 996
 997 #ifdef HAVE_VASPRINTF
 998     free(line);
 999 #endif
1000     if (curses_initialized)
1001         update_status_window(g);
1002 }
1003
1004 static void switch_side(GAME *g)
1005 {
1006     if ((*g).side == WHITE)
1007         (*g).side = BLACK;
1008     else
1009         (*g).side = WHITE;
1010 }
1011
1012 static struct annotation_edit_s *init_annotation_edit(int g, int n, HISTORY h)
1013 {
1014     struct annotation_edit_s *a;
1015
1016     a = Malloc(sizeof(struct annotation_edit_s));
1017     a->game = g;
1018     a->n = n;
1019     memcpy(&a->h, &h, sizeof(HISTORY));
1020     a->h.comment = h.comment;
1021     return a;
1022 }
1023
1024 void game_loop()
1025 {
1026     int error_recover = 0;
1027     int pushkey = 0;
1028     int count = 0;
1029     int crow = 2, ccol = 5;
1030     char moveexp[255] = {0};
1031     char gameexp[255] = {0};
1032     int delete_count = 0;
1033     int markstart = -1, markend = -1;
1034     int editmode = 0;
1035
1036     gindex = gtotal - 1;
1037     markstart = -1, markend = -1;
1038
1039     if (loadfile[0])
1040         init_history(&game[gindex]);
1041
1042     update_status_notify(game[gindex], "%s", GAME_HELP_PROMPT);
1043     movestep = 2;
1044     paused = 1; //FIXME clock
1045     flushinp();
1046     update_all(game[gindex]);
1047     update_tag_window(game[gindex].tag);
1048
1049     while (!quit) {
1050         int c = 0;
1051         fd_set fds;
1052         int i, x, n = 0, len = 0;
1053         char fdbuf[8192] = {0};
1054         struct timeval tv;
1055         char *tmp = NULL;
1056         char buf[78];
1057         char tfile[FILENAME_MAX];
1058         int minr, maxr, minc, maxc;
1059         struct annotation_edit_s *anno = NULL;
1060
1061         // FIXME game.fds
1062 #if 0
1063         if (engine_initialized) {
1064             tv.tv_sec = 0;
1065             tv.tv_usec = 0;
1066
1067             FD_ZERO(&fds);
1068             FD_SET(enginefd[0], &fds);
1069
1070             for (i = 0; i < gtotal; i++) {
1071                 if (game[i].sockfd > 0) {
1072                     if (game[i].sockfd > n)
1073                         n = game[i].sockfd;
1074
1075                     FD_SET(game[i].sockfd, &fds);
1076                 }
1077             }
1078
1079             n = (n > enginefd[0]) ? n : enginefd[0];
1080
1081             if ((n = select(n + 1, &fds, NULL, NULL, &tv)) > 0) {
1082                 if (FD_ISSET(enginefd[0], &fds)) {
1083                     len = read(enginefd[0], fdbuf, sizeof(fdbuf));
1084
1085                     if (len == -1) {
1086                         if (errno != EAGAIN) {
1087                             cmessage(ERROR, ANYKEY, "Attempt #%i. read(): %s",
1088                                     ++error_recover, strerror(errno));
1089                             continue;
1090                         }
1091                     }
1092                     else {
1093                         if (len) {
1094                             // FIXME engine may be associated with another
1095                             // selected game.
1096                             parse_engine_output(&game[gindex], fdbuf);
1097                             update_all(game[gindex]);
1098                         }
1099                     }
1100                 }
1101
1102                 for (i = 0; i < gtotal; i++) {
1103                     if (game[i].sockfd <= 0)
1104                         continue;
1105
1106                     if (FD_ISSET(game[i].sockfd, &fds)) {
1107                         len = recv(game[i].sockfd, fdbuf, sizeof(fdbuf), 0);
1108
1109                         if (len == -1) {
1110                             if (errno != EAGAIN) {
1111                                 cmessage(ERROR, ANYKEY,
1112                                         "Attempt #%i. recv(): %s",
1113                                         ++error_recover, strerror(errno));
1114                                 continue;
1115                             }
1116                         }
1117                         else {
1118                             if (len)
1119                                 parse_ics_output(fdbuf);
1120
1121                             update_all(game[gindex]);
1122                         }
1123                     }
1124                 }
1125             }
1126             else {
1127                 if (n == -1)
1128                     cmessage(ERROR, ANYKEY, "select(): %s", strerror(errno));
1129                 else {
1130                     /* timeout */
1131                 }
1132             }
1133         }
1134 #endif
1135
1136         error_recover = 0;
1137         draw_board(game[gindex], crow, ccol);
1138         wmove(boardw, ROWTOMATRIX(crow), COLTOMATRIX(ccol));
1139
1140         if (!paused) {
1141         }
1142
1143         update_panels();
1144         doupdate();
1145
1146         if (pushkey)
1147             c = pushkey;
1148         else {
1149             if ((c = wgetch(boardw)) == ERR)
1150                 continue;
1151         }
1152
1153         if (!count && status.notify)
1154             update_status_notify(game[gindex], NULL);
1155
1156         switch (c) {
1157             int annotate;
1158
1159             case 'p':
1160                 if (paused)
1161                     paused = 0;
1162                 else
1163                     paused = 1;
1164
1165                 break;
1166             case 'e':
1167                 if (game[gindex].htotal)
1168                     break;
1169
1170                 if (editmode) {
1171                     editmode = 0;
1172                     add_tag(&game[gindex].tag, &game[gindex].tindex,
1173                             "FEN", board_to_fen(game[gindex]));
1174                     add_tag(&game[gindex].tag, &game[gindex].tindex,
1175                             "SetUp", "1");
1176                     game[gindex].mode = MODE_PLAY;
1177                     game[gindex].fentag = find_tag(game[gindex].tag,
1178                             game[gindex].tindex, "FEN");
1179                 }
1180                 else {
1181                     game[gindex].mode = MODE_EDIT;
1182                     editmode = 1;
1183                 }
1184
1185                 update_all(game[gindex]);
1186                 break;
1187             case '}':
1188             case '{':
1189             case '?':
1190                 if (gtotal < 2)
1191                     break;
1192
1193                 if (!*gameexp || c == '?') {
1194                     if ((tmp = get_input(GAME_FIND_EXPRESSION_TITLE, gameexp,
1195                                     1, 1, GAME_FIND_EXPRESSION_PROMPT, NULL,
1196                                     NULL, 0, -1)) == NULL)
1197                         break;
1198
1199                     strncpy(gameexp, tmp, sizeof(gameexp));
1200                 }
1201
1202                 if ((n = find_game_exp(gameexp, (c == '{') ? 0 : 1,
1203                                 (count) ? count : 1)) == -1)
1204                     break;
1205
1206                 gindex = n;
1207                 init_history(&game[gindex]);
1208                 update_all(game[gindex]);
1209                 update_tag_window(game[gindex].tag);
1210                 break;
1211             case '!':
1212                 crow = 1;
1213                 break;
1214             case '@':
1215                 crow = 2;
1216                 break;
1217             case '#':
1218                 crow = 3;
1219                 break;
1220             case '$':
1221                 crow = 4;
1222                 break;
1223             case '%':
1224                 crow = 5;
1225                 break;
1226             case '^':
1227                 crow = 6;
1228                 break;
1229             case '&':
1230                 crow = 7;
1231                 break;
1232             case '*':
1233                 crow = 8;
1234                 break;
1235             case 'A':
1236                 ccol = 1;
1237                 break;
1238             case 'B':
1239                 ccol = 2;
1240                 break;
1241             case 'C':
1242                 ccol = 3;
1243                 break;
1244             case 'D':
1245                 ccol = 4;
1246                 break;
1247             case 'E':
1248                 ccol = 5;
1249                 break;
1250             case 'F':
1251                 ccol = 6;
1252                 break;
1253             case 'G':
1254                 ccol = 7;
1255                 break;
1256             case 'H':
1257                 ccol = 8;
1258                 break;
1259             case '_':
1260             case '+':
1261                 if (status.engine != ENGINE_READY)
1262                     break;
1263
1264                 n = (count) ? count : 1;
1265
1266                 if (c == '_') {
1267                     if (config.engine_depth - n < 0)
1268                         n = 0;
1269                     else
1270                         n -= config.engine_depth;
1271                 }
1272                 else
1273                     n += config.engine_depth;
1274
1275                 SEND_TO_ENGINE("depth %i\n", abs(n));
1276                 break;
1277             case ']':
1278             case '[':
1279             case '/':
1280                 if (game[gindex].htotal < 2)
1281                     break;
1282
1283                 n = 0;
1284
1285                 if (!*moveexp || c == '/') {
1286                     if ((tmp = get_input(FIND_REGEXP, moveexp, 1, 1, NULL,
1287                                     NULL, NULL, 0, -1)) == NULL)
1288                         break;
1289
1290                     strncpy(moveexp, tmp, sizeof(moveexp));
1291                     n = 1;
1292                 }
1293
1294                 if ((n = find_move_exp(game[gindex], moveexp, n,
1295                                 (c == '[') ? 0 : 1, (count) ? count : 1)) == -1)
1296                     break;
1297
1298                 game[gindex].hindex = n;
1299                 parse_history_move(game[gindex], game[gindex].hindex);
1300                 update_all(game[gindex]);
1301                 break;
1302             case 'v':
1303                 view_annotation(game[gindex].hp[game[gindex].hindex]);
1304                 break;
1305             case 'V':
1306                 if (game[gindex].hindex - 1 >= 0)
1307                     view_annotation(game[gindex].hp[game[gindex].hindex - 1]);
1308                 break;
1309             case '>':
1310                 game_next_prev(game[gindex], 1, (count) ? count : 1);
1311
1312                 if (delete_count) {
1313                     markend = gindex;
1314                     pushkey = 'x';
1315                     delete_count = 0;
1316                 }
1317
1318                 game[gindex].mode = MODE_HISTORY;
1319                 editmode = 0;
1320                 break;
1321             case '<':
1322                 game_next_prev(game[gindex], 0, (count) ? count : 1);
1323
1324                 if (delete_count) {
1325                     markend = gindex;
1326                     pushkey = 'x';
1327                     delete_count = 0;
1328                 }
1329
1330                 game[gindex].mode = MODE_HISTORY;
1331                 editmode = 0;
1332                 break;
1333             case 'j':
1334                 if (game[gindex].mode != MODE_HISTORY ||
1335                         game[gindex].htotal < 2)
1336                     break;
1337
1338                 /*
1339                 if ((tmp = get_input(GAME_HISTORY_JUMP_TITLE, NULL, 1, 1,
1340                                 NULL, NULL, NULL, 0, FIELD_TYPE_INTEGER, 1, 0,
1341                                 game[gindex].htotal)) == NULL)
1342                     break;
1343                 */
1344
1345                 if (!count) {
1346                     if ((tmp = get_input(GAME_HISTORY_JUMP_TITLE, NULL, 1, 1,
1347                                     NULL, NULL, NULL, 0, -1)) == NULL)
1348                         break;
1349
1350                     if (!isinteger(tmp))
1351                         break;
1352
1353                     i = atoi(tmp);
1354                 }
1355                 else
1356                     i = count;
1357
1358                 if (i > (game[gindex].htotal / 2) || i < 0)
1359                     break;
1360
1361                 game[gindex].hindex = i * 2;
1362                 init_history(&game[gindex]);
1363                 update_all(game[gindex]);
1364                 break;
1365             case 'J':
1366                 if (gtotal < 2)
1367                     break;
1368
1369                 /*
1370                 if ((tmp = get_input(GAME_JUMP_TITLE, NULL, 1, 1, NULL, NULL,
1371                                 NULL, 0, FIELD_TYPE_INTEGER, 1, 1, gtotal))
1372                         == NULL)
1373                     break;
1374                 */
1375
1376                 if (!count) {
1377                     if ((tmp = get_input(GAME_JUMP_TITLE, NULL, 1, 1, NULL,
1378                                     NULL, NULL, 0, -1)) == NULL)
1379                         break;
1380
1381                     if (!isinteger(tmp))
1382                         break;
1383
1384                     i = atoi(tmp);
1385                 }
1386                 else
1387                     i = count;
1388
1389                 if (--i > gtotal - 1 || i < 0)
1390                     break;
1391
1392                 gindex = i;
1393                 init_history(&game[gindex]);
1394                 update_all(game[gindex]);
1395                 update_tag_window(game[gindex].tag);
1396                 break;
1397             case 'x':
1398                 pushkey = 0;
1399
1400                 if (editmode) {
1401                     if (game[gindex].sp.icon)
1402                         game[gindex].b[ROWTOBOARD(game[gindex].sp.row)][COLTOBOARD(game[gindex].sp.col)].icon = int_to_piece(game[gindex], OPEN_SQUARE);
1403                     else
1404                         game[gindex].b[ROWTOBOARD(crow)][COLTOBOARD(ccol)].icon = int_to_piece(game[gindex], OPEN_SQUARE);
1405
1406                     game[gindex].sp.icon = game[gindex].sp.row = game[gindex].sp.col = 0;
1407                     break;
1408                 }
1409
1410                 if (gtotal < 2)
1411                     break;
1412
1413                 if (count && !delete_count) {
1414                     markstart = gindex;
1415                     delete_count = 1;
1416                     update_status_notify(game[gindex], "%s (delete)",
1417                             status.notify);
1418                     continue;
1419                 }
1420
1421                 if (markstart >= 0 && markend >= 0) {
1422                     if (markstart > markend) {
1423                         i = markstart;
1424                         markstart = markend;
1425                         markend = i;
1426                     }
1427
1428                     for (i = markstart; i <= markend; i++) {
1429                         if (toggle_delete_flag(i))
1430                             break;
1431                     }
1432                 }
1433                 else {
1434                     if (toggle_delete_flag(gindex))
1435                         break;
1436                 }
1437
1438                 markstart = markend = -1;
1439                 update_status_window(game[gindex]);
1440                 break;
1441             case 'X':
1442                 if (gtotal < 2) {
1443                     cmessage(NULL, ANYKEY, "%s", E_DELETE_GAME);
1444                     break;
1445                 }
1446
1447                 tmp = NULL;
1448
1449                 for (i = n = 0; i < gtotal; i++) {
1450                     if (TEST_FLAG(game[i].flags, GF_DELETE))
1451                         n++;
1452                 }
1453
1454                 if (!n)
1455                     tmp = GAME_DELETE_GAME_TEXT;
1456                 else {
1457                     if (n == gtotal) {
1458                         cmessage(NULL, ANYKEY, "%s", E_DELETE_GAME);
1459                         break;
1460                     }
1461
1462                     tmp = GAME_DELETE_ALL_TEXT;
1463                 }
1464
1465                 if (config.deleteprompt) {
1466                     if ((c = cmessage(NULL, YESNO, "%s", tmp)) != 'y')
1467                         break;
1468                 }
1469
1470                 delete_game((!n) ? gindex : -1);
1471                 init_history(&game[gindex]);
1472                 update_all(game[gindex]);
1473                 update_tag_window(game[gindex].tag);
1474                 break;
1475             case 'a':
1476                 annotate = game[gindex].hindex;
1477
1478                 if (annotate && game[gindex].hp[annotate - 1].move[0])
1479                     annotate--;
1480                 else
1481                     break;
1482
1483                 snprintf(buf, sizeof(buf), "%s \"%s\"", ANNOTATION_EDIT_TITLE,
1484                         game[gindex].hp[annotate].move);
1485
1486                 anno = init_annotation_edit(gindex, annotate,
1487                         game[gindex].hp[annotate]);
1488                 tmp = get_input(buf, game[gindex].hp[annotate].comment,
1489                         0, 0, NAG_PROMPT, history_edit_nag, (void *)anno,
1490                         CTRL('T'), -1);
1491
1492                 if (!tmp && (!game[gindex].hp[annotate].comment ||
1493                             !*game[gindex].hp[annotate].comment))
1494                     break;
1495                 else if (tmp && game[gindex].hp[annotate].comment) {
1496                     if (strcmp(tmp, game[gindex].hp[annotate].comment) == 0)
1497                         break;
1498                 }
1499
1500                 len = (tmp) ? strlen(tmp) + 1 : 1;
1501
1502                 game[gindex].hp[annotate].comment =
1503                     Realloc(game[gindex].hp[annotate].comment, len);
1504
1505                 strncpy(game[gindex].hp[annotate].comment,
1506                         (tmp) ? tmp : "", len);
1507
1508                 SET_FLAG(game[gindex].flags, GF_MODIFIED);
1509                 update_all(game[gindex]);
1510                 break;
1511             case 't':
1512                 edit_save_tags(&game[gindex]);
1513                 update_all(game[gindex]);
1514                 update_tag_window(game[gindex].tag);
1515                 break;
1516             case 'I':
1517                 if (!editmode)
1518                     break;
1519
1520                 c = message(GAME_EDIT_TITLE, GAME_EDIT_PROMPT, "%s",
1521                         GAME_EDIT_TEXT);
1522
1523                 if (piece_to_int(c) == -1 && tolower(c) != 'x')
1524                     break;
1525
1526                 if (tolower(c) == 'x')
1527                     c = tolower(c);
1528
1529                 if (c == 'x' && (crow != 6 && crow != 3))
1530                     break;
1531
1532                 if (c == 'x') {
1533                     for (i = 0; i < 8; i++) {
1534                         if (game[gindex].b[ROWTOBOARD(3)][COLTOBOARD(i)].icon == 'x')
1535                             game[gindex].b[ROWTOBOARD(3)][COLTOBOARD(i)].icon = OPEN_SQUARE;
1536                         if (game[gindex].b[ROWTOBOARD(6)][COLTOBOARD(i)].icon == 'x')
1537                             game[gindex].b[ROWTOBOARD(6)][COLTOBOARD(i)].icon = OPEN_SQUARE;
1538                     }
1539                 }
1540
1541                 game[gindex].b[ROWTOBOARD(crow)][COLTOBOARD(ccol)].icon = c;
1542                 break;
1543             case 'i':
1544                 edit_tags(game[gindex], 0);
1545                 break;
1546             case 'g':
1547                 if (game[gindex].mode == MODE_HISTORY ||
1548                         status.engine == ENGINE_THINKING)
1549                     break;
1550
1551                 status.engine = ENGINE_THINKING;
1552                 update_status_window(game[gindex]);
1553                 SEND_TO_ENGINE("go\n");
1554                 break;
1555             case 'b':
1556                 if (config.book_method == -1 || status.engine ==
1557                         ENGINE_THINKING || config.engine != GNUCHESS)
1558                     break;
1559
1560                 if (config.book_method + 1 >= BOOK_MAX)
1561                     n = 0;
1562                 else
1563                     n = config.book_method + 1;
1564
1565                 SEND_TO_ENGINE("book %s\n", book_methods[n]);
1566                 break;
1567             case 'h':
1568                 if (game[gindex].mode == MODE_HISTORY) {
1569                     if (game[gindex].openingside == BLACK) {
1570                         cmessage(NULL, ANYKEY, "%s", E_RESUME_BLACK);
1571                         break;
1572                     }
1573
1574                     if (game[gindex].hindex != game[gindex].htotal) {
1575                         if (!pushkey) {
1576                             if ((c = message(NULL, YESNO, "%s",
1577                                             GAME_RESUME_HISTORY_TEXT)) != 'y')
1578                                 break;
1579                         }
1580                     }
1581                     else {
1582                         if (TEST_FLAG(game[gindex].flags, GF_GAMEOVER))
1583                             break;
1584                     }
1585
1586                     if (!noengine)
1587                         wtimeout(boardw, 70);
1588
1589                     if (!noengine && !engine_initialized) {
1590                         if (start_chess_engine() < 0)
1591                             break;
1592
1593                         pushkey = 'h';
1594                         break;
1595                     }
1596
1597                     pushkey = 0;
1598                     oldhistorytotal = game[gindex].htotal;
1599                     game[gindex].htotal = game[gindex].hindex;
1600                     game[gindex].mode = MODE_PLAY;
1601                     status.engine = ENGINE_READY;
1602
1603                     /* FIXME crafty */
1604                     if (config.engine != GNUCHESS)
1605                         SEND_TO_ENGINE("read %s\n", config.fifo);
1606                     else
1607                         SEND_TO_ENGINE("\npgnload %s\n", config.fifo);
1608
1609                     update_all(game[gindex]);
1610                     break;
1611                 }
1612
1613                 if (!game[gindex].htotal || status.engine == ENGINE_THINKING)
1614                     break;
1615
1616                 wtimeout(boardw, -1);
1617                 init_history(&game[gindex]);
1618                 break;
1619             case 'u':
1620                 /* FIXME dies reading FIFO sometimes. */
1621                 if (game[gindex].mode != MODE_PLAY || !game[gindex].htotal)
1622                     break;
1623
1624                 history_previous(&game[gindex], (count) ? count * 2 : 2, &crow, &ccol);
1625                 oldhistorytotal = game[gindex].htotal;
1626                 game[gindex].htotal = game[gindex].hindex;
1627
1628                 if (status.engine == CRAFTY)
1629                     SEND_TO_ENGINE("read %s\n", config.fifo);
1630                 else
1631                     SEND_TO_ENGINE("\npgnload %s\n", config.fifo);
1632
1633                 update_history_window(game[gindex]);
1634                 break;
1635             case 'r':
1636                 if ((tmp = get_input(GAME_LOAD_TITLE, NULL, 1, 1,
1637                                 BROWSER_PROMPT, browse_directory, NULL,
1638                                 '\t', -1)) == NULL)
1639                     break;
1640
1641                 tmp = tilde_expand(tmp);
1642
1643                 if (parse_pgn_file(tmp))
1644                     break;
1645
1646                 gindex = gtotal - 1;
1647                 strncpy(loadfile, tmp, sizeof(loadfile));
1648                 init_history(&game[gindex]);
1649                 update_all(game[gindex]);
1650                 update_tag_window(game[gindex].tag);
1651                 break;
1652             case 'S':
1653             case 's':
1654                 x = -1;
1655
1656                 if (gtotal > 1) {
1657                     n = message(NULL, GAME_SAVE_MULTI_PROMPT, "%s",
1658                             GAME_SAVE_MULTI_TEXT);
1659
1660                     if (n == 'c')
1661                         x = gindex;
1662                     else if (n == 'a')
1663                         x = -1;
1664                     else {
1665                         update_status_notify(game[gindex], "%s", NOTIFY_SAVE_ABORTED);
1666                         break;
1667                     }
1668                 }
1669
1670                 if ((tmp = get_input(GAME_SAVE_TITLE, loadfile, 1, 1,
1671                                 BROWSER_PROMPT, browse_directory, NULL,
1672                                 '\t', -1)) == NULL) {
1673                     update_status_notify(game[gindex], "%s", NOTIFY_SAVE_ABORTED);
1674                     break;
1675                 }
1676
1677                 tmp = tilde_expand(tmp);
1678
1679                 if (strstr(tmp, ".") == NULL && compression_cmd(tmp, 0)
1680                         == NULL) {
1681                     snprintf(tfile, sizeof(tfile), "%s.pgn", tmp);
1682                     tmp = tfile;
1683                 }
1684
1685                 if (save_pgn(tmp, 0, x)) {
1686                     update_status_notify(game[gindex], "%s", NOTIFY_SAVE_FAILED);
1687                     break;
1688                 }
1689
1690                 update_status_notify(game[gindex], "%s", NOTIFY_SAVED);
1691                 update_all(game[gindex]);
1692                 break;
1693             case CTRL('G'):
1694                 n = 0;
1695
1696                 while (n != 'q') {
1697                     n = help(GAME_HELP_INDEX_TITLE,
1698                             GAME_HELP_INDEX_PROMPT, mainhelp);
1699
1700                     switch (n) {
1701                         case 'h':
1702                             help(GAME_HELP_HISTORY_TITLE, ANYKEY, historyhelp);
1703                             break;
1704                         case 'p':
1705                             help(GAME_HELP_PLAY_TITLE, ANYKEY, playhelp);
1706                             break;
1707                         case 'e':
1708                             help(GAME_HELP_EDIT_TITLE, ANYKEY, edithelp);
1709                             break;
1710                         case 'g':
1711                             help(GAME_HELP_GAME_TITLE, ANYKEY, gamehelp);
1712                             break;
1713                         default:
1714                             n = 'q';
1715                             break;
1716                     }
1717                 }
1718
1719                 break;
1720             case 'n':
1721             case 'N':
1722                 if (c == 'N') {
1723                     if (cmessage(NULL, YESNO, "%s", GAME_NEW_PROMPT) != 'y')
1724                         break;
1725                 }
1726
1727                 game[gindex].mode = MODE_PLAY;
1728                 editmode = 0;
1729                 game[gindex].sp.icon = 0;
1730
1731                 if (c == 'n') {
1732                     newgameinit = 1;
1733                     new_game();
1734                 }
1735                 else {
1736                     reset_history(game[gindex]);
1737                     parse_pgn_file(NULL);
1738                 }
1739
1740                 game[gindex].wcaptures = game[gindex].bcaptures = 0;
1741                 crow = (game[gindex].side == WHITE) ? 2 : 7;
1742                 ccol = 4;
1743
1744                 if (!noengine && (status.engine == ENGINE_OFFLINE ||
1745                         engine_initialized == 0)) {
1746                     if (start_chess_engine() < 0)
1747                         break;
1748                 }
1749
1750                 SEND_TO_ENGINE("\nnew\n");
1751                 set_engine_defaults();
1752                 status.engine = ENGINE_READY;
1753                 update_status_notify(game[gindex], NULL);
1754                 update_all(game[gindex]);
1755                 update_tag_window(game[gindex].tag);
1756                 break;
1757             case CTRL('L'):
1758             case 'R':
1759                 endwin();
1760                 keypad(boardw, TRUE);
1761                 update_panels();
1762                 doupdate();
1763                 break;
1764             case 'c':
1765                 if (status.engine == ENGINE_THINKING)
1766                     break;
1767
1768                 if (status.engine == ENGINE_OFFLINE)
1769                     break;
1770
1771                 if ((tmp = get_input_str_clear(ENGINE_CMD_TITLE, NULL))
1772                         != NULL) {
1773                     SEND_TO_ENGINE("%s\n", tmp);
1774                 }
1775                 break;
1776             case KEY_ESCAPE:
1777                 game[gindex].sp.icon = game[gindex].sp.row = game[gindex].sp.col = 0;
1778                 markend = markstart = 0;
1779
1780                 if (count) {
1781                     count = 0;
1782                     update_status_notify(game[gindex], NULL);
1783                 }
1784
1785                 if (config.validmoves)
1786                     reset_valid_moves(game[gindex].b);
1787
1788                 break;
1789             case '0' ... '9':
1790                 n = c - '0';
1791
1792                 if (count)
1793                     count = count * 10 + n;
1794                 else
1795                     count = n;
1796
1797                 update_status_notify(game[gindex], "Repeat %i", count);
1798                 continue;
1799             case KEY_UP:
1800                 if (game[gindex].mode == MODE_HISTORY) {
1801                     history_next(&game[gindex], (count > 0) ?
1802                             config.jumpcount * count * movestep :
1803                             config.jumpcount * movestep, &crow, &ccol);
1804                     update_all(game[gindex]);
1805                     break;
1806                 }
1807
1808                 /*
1809                 if (sp.icon && config.validmoves) {
1810                     get_valid_cursor(board, UP, (count) ? count : 1,
1811                             &crow, &ccol, minr, maxr, minc, maxc);
1812                     break;
1813                 }
1814                 */
1815
1816                 if (count) {
1817                     crow += count;
1818                     pushkey = '\n';
1819                 }
1820                 else
1821                     crow++;
1822
1823                 if (crow > 8)
1824                     crow = 1;
1825
1826                 break;
1827             case KEY_DOWN:
1828                 if (game[gindex].mode == MODE_HISTORY) {
1829                     history_previous(&game[gindex], (count) ?
1830                             config.jumpcount * count * movestep :
1831                             config.jumpcount * movestep, &crow, &ccol);
1832                     update_all(game[gindex]);
1833                     break;
1834                 }
1835
1836                 /*
1837                 if (sp.icon && config.validmoves) {
1838                     get_valid_cursor(board, DOWN, (count) ? count : 1,
1839                             &crow, &ccol, minr, maxr, minc, maxc);
1840                     break;
1841                 }
1842                 */
1843
1844                 if (count) {
1845                     crow -= count;
1846                     pushkey = '\n';
1847                     update_status_notify(game[gindex], NULL);
1848                 }
1849                 else
1850                     crow--;
1851
1852                 if (crow < 1)
1853                     crow = 8;
1854
1855                 break;
1856             case KEY_LEFT:
1857                 if (game[gindex].mode == MODE_HISTORY) {
1858                     history_previous(&game[gindex], (count) ?
1859                             count * movestep : movestep, &crow, &ccol);
1860                     update_all(game[gindex]);
1861                     break;
1862                 }
1863
1864                 /*
1865                 if (sp.icon && config.validmoves) {
1866                     get_valid_cursor(board, LEFT, (count) ? count : 1,
1867                             &crow, &ccol, minr, maxr, minc, maxc);
1868                     break;
1869                 }
1870                 */
1871
1872                 if (count) {
1873                     ccol -= count;
1874                     pushkey = '\n';
1875                 }
1876                 else
1877                     ccol--;
1878
1879                 if (ccol < 1)
1880                     ccol = 8;
1881
1882                 break;
1883             case KEY_RIGHT:
1884                 if (game[gindex].mode == MODE_HISTORY) {
1885                     history_next(&game[gindex], (count) ? count * movestep
1886                             : movestep, &crow, &ccol);
1887                     update_all(game[gindex]);
1888                     break;
1889                 }
1890
1891                 /*
1892                 if (sp.icon && config.validmoves) {
1893                     get_valid_cursor(board, RIGHT, (count) ? count : 1,
1894                             &crow, &ccol, minr, maxr, minc, maxc);
1895                     break;
1896                 }
1897                 */
1898
1899                 if (count) {
1900                     ccol += count;
1901                     pushkey = '\n';
1902                 }
1903                 else
1904                     ccol++;
1905
1906                 if (ccol > 8)
1907                     ccol = 1;
1908
1909                 break;
1910             case 'w':
1911                 if (game[gindex].mode == MODE_HISTORY)
1912                     break;
1913
1914                 if (game[gindex].mode == MODE_EDIT)
1915                     switch_turn(&game[gindex]);
1916
1917                 /* FIXME crafty. */
1918                 SEND_TO_ENGINE("\nswitch\n");
1919                 switch_side(&game[gindex]);
1920                 update_status_window(game[gindex]);
1921                 break;
1922             case ' ':
1923                 if (!editmode && game[gindex].mode == MODE_HISTORY) {
1924                     if (movestep == 1)
1925                         movestep = 2;
1926                     else
1927                         movestep = 1;
1928
1929                     update_history_window(game[gindex]);
1930                     break;
1931                 }
1932
1933                 if (!noengine && (status.engine == ENGINE_OFFLINE ||
1934                             !engine_initialized) && !editmode) {
1935                     if (start_chess_engine() < 0) {
1936                         game[gindex].sp.icon = 0;
1937                         break;
1938                     }
1939
1940                 }
1941
1942                 if (!editmode)
1943                     wtimeout(boardw, 70);
1944
1945                 if (game[gindex].sp.icon || (!editmode && status.engine == ENGINE_THINKING)) {
1946                     beep();
1947                     break;
1948                 }
1949
1950                 game[gindex].sp.icon = mvwinch(boardw, ROWTOMATRIX(crow),
1951                         COLTOMATRIX(ccol)+1) & A_CHARTEXT;
1952
1953                 if (game[gindex].sp.icon == ' ') {
1954                     game[gindex].sp.icon = 0;
1955                     break;
1956                 }
1957
1958                 if (!editmode && ((islower(game[gindex].sp.icon) &&
1959                                 game[gindex].turn != BLACK) ||
1960                             (isupper(game[gindex].sp.icon) &&
1961                              game[gindex].turn != WHITE))) {
1962                     message(NULL, ANYKEY, "%s", E_SELECT_TURN);
1963                     game[gindex].sp.icon = 0;
1964                     break;
1965                 }
1966
1967                 game[gindex].sp.row = crow;
1968                 game[gindex].sp.col = ccol;
1969
1970                 if (!editmode && config.validmoves) {
1971                     get_valid_moves(&game[gindex],
1972                             piece_to_int(game[gindex].sp.icon),
1973                             game[gindex].sp.row, game[gindex].sp.col, &minr,
1974                             &maxr, &minc, &maxc);
1975                     /*
1976                     number_valid_moves(board, sp.row, sp.col);
1977                     */
1978                 }
1979
1980                 if (game[gindex].mode == MODE_PLAY)
1981                     paused = 0;
1982                 break;
1983             case '\015':
1984             case '\n':
1985                 pushkey = count = 0;
1986                 update_status_notify(game[gindex], NULL);
1987
1988                 if (!editmode && game[gindex].mode == MODE_HISTORY)
1989                     break;
1990
1991                 if (status.engine == ENGINE_THINKING) {
1992                     beep();
1993                     break;
1994                 }
1995
1996                 if (!game[gindex].sp.icon)
1997                     break;
1998
1999                 game[gindex].sp.destrow = crow;
2000                 game[gindex].sp.destcol = ccol;
2001
2002                 if (editmode) {
2003                     edit_board(&game[gindex]);
2004                     game[gindex].sp.icon = game[gindex].sp.row = game[gindex].sp.col = 0;
2005                     break;
2006                 }
2007
2008                 if (move_to_engine(&game[gindex])) {
2009                     if (config.validmoves)
2010                         reset_valid_moves(game[gindex].b);
2011
2012                     if (TEST_FLAG(game[gindex].flags, GF_GAMEOVER)) {
2013                         CLEAR_FLAG(game[gindex].flags, GF_GAMEOVER);
2014                         SET_FLAG(game[gindex].flags, GF_MODIFIED);
2015                     }
2016                 }
2017
2018                 break;
2019             case 'q':
2020                 quit = 1;
2021                 break;
2022             case 0:
2023                 break;
2024             default:
2025                 beep();
2026                 break;
2027         }
2028
2029         count = 0;
2030     }
2031 }
2032
2033 void usage(const char *pn, int ret)
2034 {
2035     int i;
2036
2037     for (i = 0; cmdlinehelp[i]; i++)
2038         fputs(cmdlinehelp[i], stderr);
2039
2040     exit(ret);
2041 }
2042
2043 void catch_signal(int which)
2044 {
2045     switch (which) {
2046         case SIGINT:
2047             stop_engine();
2048             endwin();
2049             exit(EXIT_FAILURE);
2050             break;
2051         case SIGPIPE:
2052             if (quit)
2053                 break;
2054
2055             cmessage(NULL, ANYKEY, "%s", E_BROKEN_PIPE);
2056             endwin();
2057             exit(EXIT_FAILURE);
2058             break;
2059         case SIGSTOP:
2060             savetty();
2061             break;
2062         case SIGCONT:
2063             resetty();
2064             keypad(boardw, TRUE);
2065             break;
2066         default:
2067             break;
2068     }
2069 }
2070
2071 int main(int argc, char *argv[])
2072 {
2073     int opt;
2074     struct stat st;
2075     char buf[FILENAME_MAX];
2076     char datadir[FILENAME_MAX];
2077     int ret = EXIT_SUCCESS;
2078     int validate = 0, validate_and_save = 0;
2079
2080     if ((config.pwd = getpwuid(getuid())) == NULL)
2081         err(EXIT_FAILURE, "getpwuid()");
2082
2083     snprintf(datadir, sizeof(datadir), "%s/.cboard", config.pwd->pw_dir);
2084     snprintf(buf, sizeof(buf), "%s/cc.data", datadir);
2085     config.ccfile = strdup(buf);
2086     snprintf(buf, sizeof(buf), "%s/nag.data", datadir);
2087     config.nagfile = strdup(buf);
2088     snprintf(buf, sizeof(buf), "%s/agony.data", datadir);
2089     config.agonyfile = strdup(buf);
2090     snprintf(buf, sizeof(buf), "%s/config", datadir);
2091     config.configfile = strdup(buf);
2092     snprintf(buf, sizeof(buf), "%s/fifo", datadir);
2093     config.fifo = strdup(buf);
2094     snprintf(buf, sizeof(buf), "%s/tmpfile", datadir);
2095     config.tmpfile = strdup(buf);
2096
2097     if (stat(datadir, &st) == -1) {
2098         if (errno == ENOENT) {
2099             if (mkdir(datadir, 0755) == -1)
2100                 err(EXIT_FAILURE, "%s", datadir);
2101         }
2102         else
2103             err(EXIT_FAILURE, "%s", datadir);
2104
2105         stat(datadir, &st);
2106     }
2107
2108     if (!S_ISDIR(st.st_mode))
2109         errx(EXIT_FAILURE, "%s: %s", datadir, E_NOTADIR);
2110
2111     if (access(config.fifo, R_OK) == -1 && errno == ENOENT) {
2112         if (mkfifo(config.fifo, 0600) == -1)
2113             err(EXIT_FAILURE, "%s", config.fifo);
2114     }
2115
2116     set_defaults();
2117
2118 #ifdef DEBUG
2119     while ((opt = getopt(argc, argv, "EDNVtShp:vu:e:f:i:")) != -1) {
2120 #else
2121     while ((opt = getopt(argc, argv, "ENVtShp:vu:e:f:i:")) != -1) {
2122 #endif
2123         char *tmp;
2124         int i;
2125
2126         switch (opt) {
2127             case 't':
2128                 save_custom_tags = 1;
2129                 break;
2130             case 'E':
2131                 config.stoponerror = 1;
2132                 break;
2133             case 'N':
2134                 noengine = 1;
2135                 break;
2136             case 'S':
2137                 validate_and_save = 1;
2138             case 'V':
2139                 validate = 1;
2140                 break;
2141 #ifdef DEBUG
2142             case 'D':
2143                 debug = 1;
2144                 break;
2145 #endif
2146             case 'u':
2147                 i = 0;
2148
2149                 while ((tmp = strsep(&optarg, ":")) != NULL) {
2150                     switch (i++) {
2151                         case 0:
2152                             config.ics_user = optarg;
2153                             break;
2154                         case 1:
2155                             config.ics_passwd = optarg;
2156                             break;
2157                         default:
2158                             usage(argv[0], EXIT_FAILURE);
2159                     }
2160                 }
2161                 break;
2162             case 'i':
2163                 i = 0;
2164
2165                 while ((tmp = strsep(&optarg, ":")) != NULL) {
2166                     switch (i++) {
2167                         case 0:
2168                             strncpy(config.ics_server, tmp,
2169                                     sizeof(config.ics_server));
2170                             break;
2171                         case 1:
2172                             if (!isinteger(tmp))
2173                                 usage(argv[0], EXIT_FAILURE);
2174
2175                             config.ics_port = atoi(tmp);
2176                             break;
2177                         default:
2178                             usage(argv[0], EXIT_FAILURE);
2179                     }
2180                 }
2181                 break;
2182             case 'v':
2183                 printf("%s (%s)\n%s\n", PACKAGE_STRING, curses_version(),
2184                         COPYRIGHT);
2185                 exit(EXIT_SUCCESS);
2186             case 'p':
2187                 filetype = PGN_FILE;
2188                 strncpy(loadfile, optarg, sizeof(loadfile));
2189                 break;
2190             case 'f':
2191                 filetype = FEN_FILE;
2192                 strncpy(loadfile, optarg, sizeof(loadfile));
2193                 break;
2194             case 'e':
2195                 filetype = EPD_FILE;
2196                 strncpy(loadfile, optarg, sizeof(loadfile));
2197                 break;
2198             case 'h':
2199             default:
2200                 usage(argv[0], EXIT_SUCCESS);
2201         }
2202     }
2203
2204     if ((validate || validate_and_save) && !*loadfile)
2205         usage(argv[0], EXIT_FAILURE);
2206
2207     if (access(config.configfile, R_OK) == 0)
2208         parse_rcfile(config.configfile);
2209
2210     signal(SIGPIPE, catch_signal);
2211     signal(SIGCONT, catch_signal);
2212     signal(SIGSTOP, catch_signal);
2213     signal(SIGINT, catch_signal);
2214
2215     srandom(getpid());
2216
2217     switch (filetype) {
2218         case PGN_FILE:
2219             ret = parse_pgn_file(loadfile);
2220             break;
2221         case FEN_FILE:
2222             //ret = parse_fen_file(loadfile);
2223             break;
2224         case EPD_FILE: // Not implemented.
2225         case NO_FILE:
2226         default:
2227             // No file specified. Empty game.
2228             ret = parse_pgn_file(NULL);
2229             break;
2230     }
2231
2232     if (validate || validate_and_save) {
2233         if (validate_and_save) {
2234             int i;
2235
2236             for (i = 0; i < gtotal; i++)
2237                 pgn_dumpgame(stdout, &game[i], i, 0);
2238         }
2239
2240         free_all_games();
2241         exit(ret);
2242     }
2243     else if (ret)
2244         exit(ret);
2245
2246     if (initscr() == NULL)
2247         errx(EXIT_FAILURE, "%s", E_INITCURSES);
2248     else
2249         curses_initialized = 1;
2250
2251     if (has_colors() == TRUE && start_color() == OK)
2252         init_color_pairs();
2253
2254     boardw = newwin(BOARD_HEIGHT, BOARD_WIDTH, 0, COLS - BOARD_WIDTH);
2255     boardp = new_panel(boardw);
2256     historyw = newwin(HISTORY_HEIGHT, HISTORY_WIDTH, LINES - HISTORY_HEIGHT,
2257             COLS - HISTORY_WIDTH);
2258     historyp = new_panel(historyw);
2259     statusw = newwin(STATUS_HEIGHT, STATUS_WIDTH, LINES - STATUS_HEIGHT, 0);
2260     statusp = new_panel(statusw);
2261     tagw = newwin(TAG_HEIGHT, TAG_WIDTH, 0, 0);
2262     tagp = new_panel(tagw);
2263     keypad(boardw, TRUE);
2264 //  leaveok(boardw, TRUE);
2265     leaveok(tagw, TRUE);
2266     leaveok(statusw, TRUE);
2267     leaveok(historyw, TRUE);
2268     curs_set(0);
2269     cbreak();
2270     noecho();
2271
2272     wbkgd(boardw, CP_BOARD_WINDOW);
2273     wbkgd(statusw, CP_STATUS_WINDOW);
2274     draw_window_title(statusw, STATUS_WINDOW_TITLE, STATUS_WIDTH,
2275             CP_STATUS_TITLE, CP_STATUS_BORDER);
2276     wbkgd(tagw, CP_TAG_WINDOW);
2277     draw_window_title(tagw, TAG_WINDOW_TITLE, TAG_WIDTH, CP_TAG_TITLE,
2278             CP_TAG_BORDER);
2279     wbkgd(historyw, CP_HISTORY_WINDOW);
2280     draw_window_title(historyw, HISTORY_WINDOW_TITLE, HISTORY_WIDTH,
2281             CP_HISTORY_TITLE, CP_HISTORY_BORDER);
2282
2283     game_loop();
2284     stop_engine();
2285
2286     endwin();
2287     free_all_games();
2288     del_panel(boardp);
2289     del_panel(historyp);
2290     del_panel(statusp);
2291     del_panel(tagp);
2292     delwin(boardw);
2293     delwin(historyw);
2294     delwin(statusw);
2295     delwin(tagw);
2296     exit(EXIT_SUCCESS);
2297 }