button.cpp

《c＋＋大学教程》源码

// Fig. 9.34: button.cpp
// Member function definitions for class Button.
#include <iostream>

using std::cout;
using std::endl;

#include "button.h"  // Button class definition

// constructor
Button::Button( Elevator &elevatorHandle )
   : elevatorRef( elevatorHandle ), pressed( false )
{ 
   cout << "button constructed" << endl; 

} // end Button constructor

// destructor
Button::~Button() 
{ 
   cout << "button destructed" << endl; 

} // end Button destructor

// press button
void Button::pressButton() 
{ 
   pressed = true; 

} // end function pressButton

// reset button
void Button::resetButton() 
{ 
   pressed = false; 

} // end function resetButton

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