apps/plugins/chessbox/chessbox_pgn.h

   1 /***************************************************************************
   2 *             __________               __   ___.
   3 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7 *                     \/            \/     \/    \/            \/
   8 * $Id$
   9 *
  10 * Copyright (C) 2007 Mauricio Peccorini
  11 *
  12 * This program is free software; you can redistribute it and/or
  13 * modify it under the terms of the GNU General Public License
  14 * as published by the Free Software Foundation; either version 2
  15 * of the License, or (at your option) any later version.
  16 *
  17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18 * KIND, either express or implied.
  19 *
  20 ****************************************************************************/
  21
  22 #include "plugin.h"
  23 #include "gnuchess.h"
  24
  25 /* button definitions */
  26 #if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  27     (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  28 #define CB_SELECT  BUTTON_SELECT
  29 #define CB_UP      BUTTON_MENU
  30 #define CB_DOWN    BUTTON_PLAY
  31 #define CB_LEFT    BUTTON_LEFT
  32 #define CB_RIGHT   BUTTON_RIGHT
  33 #define CB_PLAY    (BUTTON_SELECT | BUTTON_PLAY)
  34 #define CB_LEVEL   (BUTTON_SELECT | BUTTON_RIGHT)
  35 #define CB_RESTART (BUTTON_SELECT | BUTTON_LEFT)
  36 #define CB_MENU    (BUTTON_SELECT | BUTTON_MENU)
  37
  38 #define CB_SCROLL_UP     (BUTTON_SCROLL_FWD|BUTTON_REPEAT)
  39 #define CB_SCROLL_DOWN   (BUTTON_SCROLL_BACK|BUTTON_REPEAT)
  40 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
  41 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
  42
  43 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
  44 #define CB_SELECT  BUTTON_SELECT
  45 #define CB_UP      BUTTON_UP
  46 #define CB_DOWN    BUTTON_DOWN
  47 #define CB_LEFT    BUTTON_LEFT
  48 #define CB_RIGHT   BUTTON_RIGHT
  49 #define CB_PLAY    BUTTON_PLAY
  50 #define CB_LEVEL   BUTTON_REC
  51 #define CB_RESTART (BUTTON_SELECT | BUTTON_PLAY)
  52 #define CB_MENU    BUTTON_POWER
  53
  54 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
  55 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
  56 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
  57 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
  58
  59 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  60 #define CB_SELECT  BUTTON_SELECT
  61 #define CB_UP      BUTTON_UP
  62 #define CB_DOWN    BUTTON_DOWN
  63 #define CB_LEFT    BUTTON_LEFT
  64 #define CB_RIGHT   BUTTON_RIGHT
  65 #define CB_PLAY    BUTTON_ON
  66 #define CB_LEVEL   BUTTON_MODE
  67 #define CB_RESTART BUTTON_REC
  68 #define CB_MENU    BUTTON_OFF
  69
  70 #define CB_RC_QUIT BUTTON_RC_STOP
  71
  72 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
  73 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
  74 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
  75 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
  76
  77 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
  78 #define CB_SELECT  BUTTON_SELECT
  79 #define CB_UP      BUTTON_UP
  80 #define CB_DOWN    BUTTON_DOWN
  81 #define CB_LEFT    BUTTON_LEFT
  82 #define CB_RIGHT   BUTTON_RIGHT
  83 #define CB_PLAY    BUTTON_PLAY
  84 #define CB_LEVEL   BUTTON_EQ
  85 #define CB_MENU    BUTTON_MODE
  86
  87 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
  88 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
  89 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
  90 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
  91
  92 #elif CONFIG_KEYPAD == RECORDER_PAD
  93 #define CB_SELECT  BUTTON_PLAY
  94 #define CB_UP      BUTTON_UP
  95 #define CB_DOWN    BUTTON_DOWN
  96 #define CB_LEFT    BUTTON_LEFT
  97 #define CB_RIGHT   BUTTON_RIGHT
  98 #define CB_PLAY    BUTTON_ON
  99 #define CB_LEVEL   BUTTON_F1
 100 #define CB_RESTART BUTTON_F3
 101 #define CB_MENU    BUTTON_OFF
 102
 103 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 104 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 105 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 106 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 107
 108 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
 109 #define CB_SELECT  BUTTON_SELECT
 110 #define CB_UP      BUTTON_UP
 111 #define CB_DOWN    BUTTON_DOWN
 112 #define CB_LEFT    BUTTON_LEFT
 113 #define CB_RIGHT   BUTTON_RIGHT
 114 #define CB_PLAY    BUTTON_ON
 115 #define CB_LEVEL   BUTTON_F1
 116 #define CB_RESTART BUTTON_F3
 117 #define CB_MENU    BUTTON_OFF
 118
 119 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 120 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 121 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 122 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 123
 124 #elif CONFIG_KEYPAD == ONDIO_PAD
 125 #define CB_SELECT_PRE BUTTON_MENU
 126 #define CB_SELECT  (BUTTON_MENU|BUTTON_REL)
 127 #define CB_UP      BUTTON_UP
 128 #define CB_DOWN    BUTTON_DOWN
 129 #define CB_LEFT    BUTTON_LEFT
 130 #define CB_RIGHT   BUTTON_RIGHT
 131 #define CB_PLAY_PRE BUTTON_MENU
 132 #define CB_PLAY    (BUTTON_MENU|BUTTON_REPEAT)
 133 #define CB_LEVEL   (BUTTON_MENU|BUTTON_OFF)
 134 #define CB_RESTART (BUTTON_MENU|BUTTON_LEFT)
 135 #define CB_MENU    BUTTON_OFF
 136
 137 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 138 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 139 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 140 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 141
 142 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
 143 #define CB_SELECT  BUTTON_SELECT
 144 #define CB_UP      BUTTON_UP
 145 #define CB_DOWN    BUTTON_DOWN
 146 #define CB_LEFT    BUTTON_LEFT
 147 #define CB_RIGHT   BUTTON_RIGHT
 148 #define CB_PLAY    BUTTON_A
 149 #define CB_LEVEL   BUTTON_MENU
 150 #define CB_MENU    BUTTON_POWER
 151
 152 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 153 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 154 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 155 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 156
 157 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
 158 #define CB_SELECT  BUTTON_SELECT
 159 #define CB_UP      BUTTON_UP
 160 #define CB_DOWN    BUTTON_DOWN
 161 #define CB_LEFT    BUTTON_LEFT
 162 #define CB_RIGHT   BUTTON_RIGHT
 163 #define CB_PLAY    BUTTON_PLAY
 164 #define CB_LEVEL   BUTTON_MENU
 165 #define CB_MENU    BUTTON_POWER
 166
 167 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 168 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 169 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 170 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 171
 172 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 173 #define CB_SELECT  BUTTON_REW
 174 #define CB_UP      BUTTON_SCROLL_UP
 175 #define CB_DOWN    BUTTON_SCROLL_DOWN
 176 #define CB_LEFT    BUTTON_LEFT
 177 #define CB_RIGHT   BUTTON_RIGHT
 178 #define CB_PLAY    BUTTON_PLAY
 179 #define CB_LEVEL   BUTTON_FF
 180 #define CB_RESTART (BUTTON_REW | BUTTON_PLAY)
 181 #define CB_MENU    BUTTON_POWER
 182
 183 #define CB_SCROLL_UP     (BUTTON_SCROLL_BACK|BUTTON_REPEAT)
 184 #define CB_SCROLL_DOWN   (BUTTON_SCROLL_FWD|BUTTON_REPEAT)
 185 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 186 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 187
 188 #elif CONFIG_KEYPAD == SANSA_E200_PAD
 189 #define CB_SELECT  BUTTON_SELECT
 190 #define CB_UP      BUTTON_UP
 191 #define CB_DOWN    BUTTON_DOWN
 192 #define CB_LEFT    BUTTON_LEFT
 193 #define CB_RIGHT   BUTTON_RIGHT
 194 #define CB_PLAY    (BUTTON_SELECT | BUTTON_RIGHT)
 195 #define CB_LEVEL   BUTTON_REC
 196 #define CB_RESTART (BUTTON_SELECT | BUTTON_REPEAT)
 197 #define CB_MENU    BUTTON_POWER
 198
 199 #define CB_SCROLL_UP     (BUTTON_SCROLL_UP|BUTTON_REPEAT)
 200 #define CB_SCROLL_DOWN   (BUTTON_SCROLL_DOWN|BUTTON_REPEAT)
 201 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 202 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 203
 204 #elif CONFIG_KEYPAD == SANSA_FUZE_PAD
 205 #define CB_SELECT  BUTTON_SELECT
 206 #define CB_UP      BUTTON_UP
 207 #define CB_DOWN    BUTTON_DOWN
 208 #define CB_LEFT    BUTTON_LEFT
 209 #define CB_RIGHT   BUTTON_RIGHT
 210 #define CB_PLAY    (BUTTON_SELECT | BUTTON_RIGHT)
 211 #define CB_LEVEL   (BUTTON_SELECT|BUTTON_LEFT)
 212 #define CB_RESTART (BUTTON_SELECT | BUTTON_REPEAT)
 213 #define CB_MENU    (BUTTON_HOME|BUTTON_REPEAT)
 214
 215 #define CB_SCROLL_UP     (BUTTON_SCROLL_UP|BUTTON_REPEAT)
 216 #define CB_SCROLL_DOWN   (BUTTON_SCROLL_DOWN|BUTTON_REPEAT)
 217 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 218 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 219
 220 #elif CONFIG_KEYPAD == SANSA_CLIP_PAD
 221 #define CB_SELECT  BUTTON_SELECT
 222 #define CB_UP      BUTTON_UP
 223 #define CB_DOWN    BUTTON_DOWN
 224 #define CB_LEFT    BUTTON_LEFT
 225 #define CB_RIGHT   BUTTON_RIGHT
 226 #define CB_PLAY    BUTTON_VOL_UP
 227 #define CB_LEVEL   BUTTON_HOME
 228 #define CB_MENU    BUTTON_POWER
 229
 230 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 231 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 232 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 233 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 234
 235 #elif CONFIG_KEYPAD == SANSA_M200_PAD
 236 #define CB_SELECT  (BUTTON_SELECT | BUTTON_REPEAT)
 237 #define CB_UP      BUTTON_UP
 238 #define CB_DOWN    BUTTON_DOWN
 239 #define CB_LEFT    BUTTON_LEFT
 240 #define CB_RIGHT   BUTTON_RIGHT
 241 #define CB_PLAY    BUTTON_VOL_UP
 242 #define CB_LEVEL   (BUTTON_SELECT | BUTTON_UP)
 243 #define CB_MENU    BUTTON_POWER
 244
 245 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 246 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 247 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 248 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 249
 250 #elif CONFIG_KEYPAD == SANSA_C200_PAD
 251 #define CB_SELECT  BUTTON_SELECT
 252 #define CB_UP      BUTTON_UP
 253 #define CB_DOWN    BUTTON_DOWN
 254 #define CB_LEFT    BUTTON_LEFT
 255 #define CB_RIGHT   BUTTON_RIGHT
 256 #define CB_PLAY    BUTTON_VOL_UP
 257 #define CB_LEVEL   BUTTON_REC
 258 #define CB_MENU    BUTTON_POWER
 259
 260 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 261 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 262 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 263 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 264
 265 #elif CONFIG_KEYPAD == MROBE500_PAD
 266
 267 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 268 #define CB_SELECT  BUTTON_SELECT
 269 #define CB_UP      BUTTON_UP
 270 #define CB_DOWN    BUTTON_DOWN
 271 #define CB_LEFT    BUTTON_LEFT
 272 #define CB_RIGHT   BUTTON_RIGHT
 273 #define CB_PLAY    BUTTON_PLAY
 274 #define CB_LEVEL   BUTTON_DISPLAY
 275 #define CB_MENU    BUTTON_POWER
 276
 277 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 278 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 279 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 280 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 281
 282 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 283 #define CB_SELECT  BUTTON_RC_PLAY
 284 #define CB_UP      BUTTON_RC_VOL_UP
 285 #define CB_DOWN    BUTTON_RC_VOL_DOWN
 286 #define CB_LEFT    BUTTON_RC_REW
 287 #define CB_RIGHT   BUTTON_RC_FF
 288 #define CB_PLAY    BUTTON_RC_MODE
 289 #define CB_LEVEL   BUTTON_RC_MENU
 290 #define CB_RESTART (BUTTON_RC_PLAY|BUTTON_REPEAT)
 291 #define CB_MENU    BUTTON_RC_REC
 292
 293 #define CB_SCROLL_UP     (BUTTON_RC_VOL_UP|BUTTON_REPEAT)
 294 #define CB_SCROLL_DOWN   (BUTTON_RC_VOL_DOWN|BUTTON_REPEAT)
 295 #define CB_SCROLL_LEFT   (BUTTON_RC_REW|BUTTON_REPEAT)
 296 #define CB_SCROLL_RIGHT  (BUTTON_RC_FF|BUTTON_REPEAT)
 297
 298 #define CB_RC_QUIT BUTTON_REC
 299
 300 #elif CONFIG_KEYPAD == COWOND2_PAD
 301 #define CB_LEVEL   BUTTON_PLUS
 302 #define CB_RESTART BUTTON_MINUS
 303 #define CB_MENU    (BUTTON_MENU|BUTTON_REL)
 304
 305 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 306
 307 #define CB_SELECT  BUTTON_PLAY
 308 #define CB_UP      BUTTON_UP
 309 #define CB_DOWN    BUTTON_DOWN
 310 #define CB_LEFT    BUTTON_LEFT
 311 #define CB_RIGHT   BUTTON_RIGHT
 312 #define CB_PLAY    BUTTON_SELECT
 313 #define CB_LEVEL   BUTTON_CUSTOM
 314 #define CB_MENU    BUTTON_MENU
 315
 316 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 317 #define CB_SELECT  BUTTON_SELECT
 318 #define CB_UP      BUTTON_UP
 319 #define CB_DOWN    BUTTON_DOWN
 320 #define CB_LEFT    BUTTON_LEFT
 321 #define CB_RIGHT   BUTTON_RIGHT
 322 #define CB_PLAY    BUTTON_VIEW
 323 #define CB_LEVEL   BUTTON_PLAYLIST
 324 #define CB_MENU    BUTTON_MENU
 325
 326 #define CB_SCROLL_UP     (BUTTON_UP|BUTTON_REPEAT)
 327 #define CB_SCROLL_DOWN   (BUTTON_DOWN|BUTTON_REPEAT)
 328 #define CB_SCROLL_LEFT   (BUTTON_LEFT|BUTTON_REPEAT)
 329 #define CB_SCROLL_RIGHT  (BUTTON_RIGHT|BUTTON_REPEAT)
 330
 331 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 332 #define CB_LEVEL   BUTTON_VOL_UP
 333 #define CB_RESTART BUTTON_VOL_DOWN
 334 #define CB_MENU    (BUTTON_MENU|BUTTON_REL)
 335
 336 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 337 #define CB_SELECT  (BUTTON_FFWD|BUTTON_RIGHT)
 338 #define CB_UP      BUTTON_UP
 339 #define CB_DOWN    BUTTON_DOWN
 340 #define CB_LEFT    BUTTON_LEFT
 341 #define CB_RIGHT   BUTTON_RIGHT
 342 #define CB_PLAY    BUTTON_PLAY
 343 #define CB_LEVEL   (BUTTON_FFWD|BUTTON_UP)
 344 #define CB_MENU    (BUTTON_FFWD|BUTTON_LEFT)
 345
 346 #else
 347 #error No keymap defined!
 348 #endif
 349
 350 #ifdef HAVE_TOUCHSCREEN
 351 #ifndef CB_LEVEL
 352 #define CB_LEVEL          BUTTON_TOPLEFT
 353 #endif
 354 #ifndef CB_RESTART
 355 #define CB_RESTART        BUTTON_TOPRIGHT
 356 #endif
 357 #ifndef CB_MENU
 358 #define CB_MENU           (BUTTON_BOTTOMLEFT|BUTTON_REL)
 359 #endif
 360 #ifndef CB_PLAY
 361 #define CB_PLAY          (BUTTON_CENTER|BUTTON_REPEAT)
 362 #endif
 363 #ifndef CB_SELECT
 364 #define CB_SELECT         BUTTON_CENTER
 365 #endif
 366 #ifndef CB_UP
 367 #define CB_UP             BUTTON_TOPMIDDLE
 368 #endif
 369 #ifndef CB_DOWN
 370 #define CB_DOWN           BUTTON_BOTTOMMIDDLE
 371 #endif
 372 #ifndef CB_LEFT
 373 #define CB_LEFT           BUTTON_MIDLEFT
 374 #endif
 375 #ifndef CB_RIGHT
 376 #define CB_RIGHT          BUTTON_MIDRIGHT
 377 #endif
 378 #ifndef CB_SCROLL_UP
 379 #define CB_SCROLL_UP     (BUTTON_TOPMIDDLE|BUTTON_REPEAT)
 380 #endif
 381 #ifndef CB_SCROLL_DOWN
 382 #define CB_SCROLL_DOWN   (BUTTON_BOTTOMMIDDLE|BUTTON_REPEAT)
 383 #endif
 384 #ifndef CB_SCROLL_LEFT
 385 #define CB_SCROLL_LEFT   (BUTTON_MIDLEFT|BUTTON_REPEAT)
 386 #endif
 387 #ifndef CB_SCROLL_RIGHT
 388 #define CB_SCROLL_RIGHT  (BUTTON_MIDRIGHT|BUTTON_REPEAT)
 389 #endif
 390 #endif
 391
 392 /* structure to represent the plies */
 393 struct pgn_ply_node {
 394     unsigned short player;
 395     char pgn_text[9];
 396     unsigned short row_from;
 397     unsigned short column_from;
 398     unsigned short row_to;
 399     unsigned short column_to;
 400     unsigned short taken_piece;
 401     unsigned short promotion_piece;
 402     bool enpassant;
 403     bool castle;
 404     bool promotion;
 405     bool checkmate;
 406     bool draw;
 407     struct pgn_ply_node* prev_node;
 408     struct pgn_ply_node* next_node;
 409 };
 410
 411 /* structure to list the games */
 412 struct pgn_game_node {
 413     unsigned short game_number;
 414     char white_player[20];
 415     char black_player[20];
 416     char game_date[11];
 417     char result[8];
 418     int pgn_line;
 419     struct pgn_ply_node* first_ply;
 420     struct pgn_game_node* next_node;
 421 };
 422
 423 /* Return the list of games in a PGN file.
 424  * Parsing of the games themselves is postponed until
 425  * the user selects a game, that obviously saves processing
 426  * and speeds up response when the user selects the file
 427  */
 428 struct pgn_game_node* pgn_list_games(const char* filename);
 429
 430 /* Show the list of games found in a file and allow the user
 431  * to select a game to be parsed and showed
 432  */
 433 struct pgn_game_node* pgn_show_game_list(struct pgn_game_node* first_game);
 434
 435 /* Parse the pgn string of a game and assign it to the move
 436  * list in the structure
 437  */
 438 void pgn_parse_game(const char* filename,
 439                     struct pgn_game_node* selected_game);
 440
 441 /* Initialize a new game structure with default values and make
 442  * it ready to store the history of a newly played match
 443  */
 444 struct pgn_game_node* pgn_init_game(void);
 445
 446 /* Add a new ply to the game structure based on the positions */
 447 void pgn_append_ply(struct pgn_game_node* game,
 448                     unsigned short ply_player, char *move_buffer, bool is_mate);
 449
 450 /* Set the result of the game if it was reached during the opponent's ply
 451  */
 452 void pgn_set_result(struct pgn_game_node* game,
 453                     bool is_mate);
 454
 455 /* Store a complete game in the PGN history file
 456  */
 457 void pgn_store_game(struct pgn_game_node* game);