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/* $Id: chess.h,v 1.44 2003/02/05 19:57:06 bergo Exp $ */


    eboard - chess client
    Copyright (C) 2000-2003 Felipe Paulo Guazzi Bergo

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


#define EBOARD_CHESS_H 1

#include "eboard.h"
#include "widgetproxy.h"
#include "position.h"
#include "board.h"
#include "movelist.h"
#include <stdio.h>
#include "stl.h"

// foreign classes
class Board;

class PGNpair {
  PGNpair(const char *n, char *v);
  PGNpair(const char *n, string &v);

  string name;
  string value;

class PGNheader {
  void set(const char *n,char *v);
  void set(const char *n,string &v);
  void setIfAbsent(const char *n,char *v);
  void remove(const char *n);
  int  empty();
  int  size();
  PGNpair *get(int index);
  const char *get(const char *n);

  vector<PGNpair *> header;

  friend ostream &operator<<(ostream &s, PGNheader h);

class ChessGame : public MoveListListener {
  ChessGame(int _number,int _tyme,int _inc, int _rated,variant _variant,
          char *p1,char *p2);
  ChessGame(ChessGame *src);
  virtual ~ChessGame();

  int operator==(int gnum);

  void updatePosition(Position &p,int movenum,int blacktomove,
                  int wclock,int bclock,char *infoline,
                  bool sndflag=false);
  void updateStock();
  void updateGame(list<Position> &gamedata);
  void flipHint(int flip);
  void setBoard(Board *b);
  Board * getBoard();
  void sendMove(int x1,int y1,int x2,int y2);
  void sendDrop(piece p, int x, int y);
  void acknowledgeInfo();
  void endGame(char *reason,GameResult _result);
  void fireWhiteClock(int wval,int bval);
  void enableMoving(bool flag);
  int  isOver();

  void incrementActiveClock(int secs);

  char *getPlayerString(int index);
  char *getEndReason();
  GameResult getResult();

  void dump();

  Position & getLastPosition();
  Position & getCurrentPosition();
  Position & getPreviousPosition();

  void goBack1();
  void goBackAll();
  void goForward1();
  void goForwardAll();
  void openMoveList();
  void closeMoveList();

  void setFree();

  virtual void moveListClosed();

  void retreat(int nmoves);
  static void LoadPGN(char *filename);
  static bool ParsePgnGame(zifstream &f,
                     char * filename,
                     bool indexonly, 
                     int gameid,
                     variant v = REGULAR,
                     ChessGame *updatee = NULL);
  bool savePGN(char *filename, bool append=false);

  bool loadMoves();

  bool isFresh();

  void guessInfoFromPGN();
  void guessPGNFromInfo();

  void editEmpty();
  void editStartPos();

  bool getSideHint(); // true=white to move, used in scratch boards
  void setSideHint(bool white);

  static const char *variantName(variant v);
  static variant variantFromName(char *p);

  int     GameNumber;
  int     STime;
  int     Inc;
  int     Rated;
  variant Variant;
  char    PlayerName[2][64];
  char    Rating[2][32];
  piece   MyColor;
  int     StopClock; // for examined games

  bool    LocalEdit;

  bool    Loaded;
  char    PGNSource[256];
  long    SourceOffset;

  PGNheader pgn;

  GameSource source;
  string     source_data;
  bool       AmPlaying;

  char info0[64];
  int  clock_regressive;

  int  protodata[8];

  void showResult();
  void fixExamineZigZag(Position &suspect);
  void updateClockAndInfo(int wclock, int bclock,int blacktomove, 
                    char *infoline, 
                    bool sndflag);

  list<Position> moves;
  list<Position>::iterator cursor;

  char PrivateString[96];

  Board *myboard;
  MoveListWindow *mymovelist;

  Position startpos;
  int last_half_move;
  int over;
  GameResult result;
  char ereason[128];

  static bool             GlyphsInited;
  static vector<string *> Glyphs;
  static void initGlyphs();
  static void failGlyphs();


class PGNEditInfoDialog : public ModalDialog {
  PGNEditInfoDialog(ChessGame *src);  
  ChessGame *obj;
  GtkWidget *clist,*del;
  GtkWidget *en[2];
  int Selection;  

  void populate();

  friend void pgnedit_set(GtkWidget *w, gpointer data);
  friend void pgnedit_del(GtkWidget *w, gpointer data);
  friend void pgnedit_rowsel(GtkCList *w, gint row, gint col,
                       GdkEventButton *eb,gpointer data);
  friend void pgnedit_rowunsel(GtkCList *w, gint row, gint col,
                         GdkEventButton *eb,gpointer data);


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