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proto_xboard.h

/* $Id: proto_xboard.h,v 1.15 2003/07/02 23:50:24 bergo Exp $ */

/*

    eboard - chess client
    http://eboard.sourceforge.net
    Copyright (C) 2000-2001 Felipe Paulo Guazzi Bergo
    bergo@seul.org

    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
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    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

*/

#ifndef EBOARD_XBOARD_H
#define EBOARD_XBOARD_H

#include "stl.h"
#include <gtk/gtk.h>
#include "widgetproxy.h"
#include "clock.h"

class ChessGame;
class EngineBookmark;

#define XBOARD_GAME 7777

// a generic xboard protocol (version 2) parser
// http://www.tim-mann.org/xboard/engine-intf.html

/*
                     Protocol
                        |
                  EngineProtocol (in protocol.cc)
                        |
                  XBoardProtocol (proto_xboard.cc)
                        |
       +----------------+-----------------+
       |                |                 |
  CraftyProtocol   SjengProtocol  GnuChess4Protocol

*/

void xboard_eng_ok(GtkWidget *w,gpointer data);
void xboard_eng_cancel(GtkWidget *w,gpointer data);
void xboard_edit_time(GtkWidget *w,gpointer data);
gboolean xboard_eng_delete(GtkWidget *w,GdkEvent *e,gpointer data);

class XBoardProtocol : public EngineProtocol,
                       public UpdateInterface
{

 public:
  XBoardProtocol();
  virtual ~XBoardProtocol() {}

  virtual void receiveString(char *netstring);
  virtual void sendMove(int x1,int y1,int x2,int y2,int prom);
  virtual void finalize();

  virtual void resign();
  virtual void draw();
  virtual void adjourn();
  virtual void abort();
  virtual void retractMove();
  
  virtual int run();
  virtual int run(EngineBookmark *bm);
  virtual int loadEngine();
  virtual void initEngine();
  virtual void readDialog();

  virtual void setInitialPosition(Position *p);

  virtual void update(); // for time control editing

 protected:
  // initEngine work after variant settings and "new" command,
  // common to most classes
  virtual void lateInit();

  // set status bar after all is done
  virtual void endInit();
  
  virtual void loadBookmark(EngineBookmark *bm);
  virtual void createDialog();
  virtual void createGame();
  virtual void parseFeatures();
  virtual char *getDialogName();
  virtual char *getComputerName();

  virtual char *xlateDialect(char *s);

  void makeBookmarkCaption();

  void backMove();
  void advanceMove();
  void gameOver(ExtPatternMatcher &pm,GameResult gr,int hasreason=1);
  ChessGame *getGame();

  virtual void setupPosition();

  GtkWidget *eng_dlg, *eng_book, *engctl_engcmd, *engctl_engdir;

  int         EngineWhite;
  int         MoveNumber;
  int         MoveBlack;
  TimeControl timecontrol;
  int         MaxDepth;
  bool        ThinkAlways;
  variant     Variant;
  char        EngineCommandLine[512];
  char        EngineRunDir[256];
  char        ComputerName[64];  

  bool supports_setboard;

  int  want_path_pane;
  bool need_handshake;
  int  timeout_id;

  ExtPatternMatcher WhiteWin[2];
  ExtPatternMatcher BlackWin[2];
  ExtPatternMatcher Drawn[2];

  ExtPatternMatcher Features;
  ExtPatternMatcher Moved[3];
  ExtPatternMatcher IllegalMove;

  ExtPatternMatcher Dialect[10];

  Position CurrentPosition;
  Position LegalityBackup; 

  EngineBookmark *ebm;

  Position initpos;
  bool     got_init_pos;
  bool     just_sent_fen;

 private:
  int runDialog();
  void destroyDialog();

  void dumpGame();

  char FullCommand[1024];
  GtkWidget *engctl_lbl, *engctl_ewhite, *engctl_ply,*think,*bookmark;
  int GotResult;

  friend void xboard_eng_ok(GtkWidget *w,gpointer data);
  friend void xboard_eng_cancel(GtkWidget *w,gpointer data);
  friend void xboard_edit_time(GtkWidget *w,gpointer data);
  friend gboolean xboard_eng_delete(GtkWidget *w,GdkEvent *e,gpointer data);

};

class CraftyProtocol : public XBoardProtocol {
 public:
  CraftyProtocol();
  virtual ~CraftyProtocol() {}

  virtual void initEngine();
  virtual void readDialog();

 protected:
  virtual char *getDialogName();

 private:
  char BookPath[256];
  char LogPath[256];
  void resolvePaths();

};

class SjengProtocol : public XBoardProtocol {
 public:
  SjengProtocol();
  virtual ~SjengProtocol() {}

  virtual void sendDrop(piece p,int x,int y);
  virtual void initEngine();
  virtual void readDialog();

 protected:
  virtual void createDialog();
  virtual char *getDialogName();

 private:
  GtkWidget *varbutton[5];
};

class GnuChess4Protocol : public XBoardProtocol {
 public:
  GnuChess4Protocol();
  virtual ~GnuChess4Protocol() {}

  virtual void initEngine();
  virtual void readDialog();

 protected:
  virtual char *getDialogName();
};

#endif

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