// File: GUILifeBoard.h

// Adapted from "Programming with GTKmm":
// <http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/index.html>
//

#ifndef _GUILIFEBOARD_H_
#define _GUILIFEBOARD_H_

#include <iostream>
#include <gtkmm.h>
#include <vector>

#include "LifeBoard.h"    // Game of Life classes

using namespace std ;


class GUILifeBoard : public Gtk::Window
{
public:
  GUILifeBoard();
  GUILifeBoard(unsigned int r, unsigned int c, bool *b = NULL) ;

  virtual ~GUILifeBoard();

protected:

  // Signal handlers: these are the functiosn that get called
  // when the corresponding button is clicked.

  virtual void on_button_start();
  virtual void on_button_stop();
  virtual void on_button_step1();
  virtual void on_button_step10();
  virtual void on_button_step100();
  virtual void on_button_quit();
  
  //
  // Child widgets: GUI elements to placed in the window
  //

  // Stacks widgets in a column
  //
  Gtk::VBox m_VBox;

  // A sub-window with scrollbars
  //
  Gtk::ScrolledWindow m_ScrolledWindow;

  // Someplace to write some text
  //
  Gtk::TextView m_TextView;
  Glib::RefPtr<Gtk::TextBuffer> m_refTextBuffer ;


  // Something to hold the buttons
  //
  Gtk::HButtonBox m_ButtonBox;

  // The actual buttons
  //
  Gtk::Button m_ButtonStart, m_ButtonStop ;
  Gtk::Button m_ButtonStep1, m_ButtonStep10, m_ButtonStep100 ;
  Gtk::Button m_ButtonQuit ;


  // Plain text Game of Life board
  //
  LifeBoard B ;


  // Data members involved in running the simulation
  //
  bool keepRunning ;          // are we on?
  unsigned int runSteps ;     // how many more steps to run?
  unsigned int stepsTaken ;   // # of steps we have simulated


private:

  // This is what we do every 0.1 secconds (e.g., update
  // the board and display new board, if we are running).
  //
  bool on_timeout() ;

};

#endif