tdegames/kreversi/board.h

/* Yo Emacs, this -*- C++ -*-
 *******************************************************************
 *******************************************************************
 *
 *
 * KREVERSI
 *
 *
 *******************************************************************
 *
 * A Reversi (or sometimes called Othello) game
 *
 *******************************************************************
 *
 * created 1997 by Mario Weilguni <mweilguni@sime.com>
 *
 *******************************************************************
 *
 * This file is part of the KDE project "KREVERSI"
 *
 * KREVERSI 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, or (at your option)
 * any later version.
 *
 * KREVERSI 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 KREVERSI; see the file COPYING.  If not, write to
 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 *******************************************************************
 */

#ifndef __BOARD__H__
#define __BOARD__H__

#include <tqwidget.h>
#include <tqpixmap.h>

#include "Position.h"
//#include "Game.h"
#include "Move.h"


class KConfig;

class QReversiGame;

// The class Board is the visible Reversi Board widget.
//

class QReversiBoardView : public TQWidget {
  Q_OBJECT
  TQ_OBJECT

public:

  QReversiBoardView(TQWidget *parent, QReversiGame *game);
  ~QReversiBoardView();

  // starts all: emits some signal, so it can't be called from
  // constructor
  void  start();

  // Used by the outer KZoomMainWindow class.
  void adjustSize();

  // Show a hint to the user.
  void    showHint(Move move);
  void    quitHint();

  // Turn on or off some special features.
  void    setShowLegalMoves(bool show);
  void    setShowMarks(bool show);
  void    setShowLastMove(bool show);

  // View methods called from the outside.
  void    updateBoard(bool force = FALSE);
  void    animateChanged(Move move);
  void    setAnimationSpeed(uint);

  void    loadSettings();

  // To get the pixmap for the status view
  TQPixmap   chipPixmap(Color color, uint size)  const;


signals:
  void  signalSquareClicked(int, int);


protected:

  // event stuff
  void  paintEvent(TQPaintEvent *);
  void  mousePressEvent(TQMouseEvent *);


private:
  uint  zoomedSize() const;
  void  drawPiece(uint row, uint col, Color);
  void  drawOnePiece(uint row, uint col, int i);
  void  animateChangedRow(int row, int col, int dy, int dx);
  void  rotateChip(uint row, uint col);
  bool  isField(int row, int col) const;

  void    setColor(const TQColor &);
  TQColor  color()                          const { return bgColor;        }
  void    setPixmap(TQPixmap &);

  // Methods for handling images of pieces.
  enum      ChipType { Unloaded, Colored, Grayscale };
  void      loadChips(ChipType);
  ChipType  chipType()                          const { return chiptype; }
  TQPixmap   chipPixmap(uint i, uint size)       const;

  // Private drawing methods.
  void  showLegalMoves();
  void  drawSmallCircle(int x, int y, TQPainter &p);


private:
  QReversiGame    *m_krgame; // Pointer to the game object (not owner).

  // The background of the board - a color and a pixmap.
  TQColor    bgColor;
  TQPixmap   bg;

  // the pieces
  ChipType  chiptype;
  TQPixmap   allchips;
  uint      anim_speed;

  // Special stuff used only in smaller areas.
  bool      m_hintShowing;
  MoveList  m_legalMoves;
  bool      m_legalMovesShowing;
  bool      m_marksShowing;

  bool        m_showLastMove;
  SimpleMove  m_lastMoveShown;
};


#endif