elevatorbutton.cpp

来自「《c＋＋大学教程》源码」· C++ 代码 · 共 50 行

// Fig. 9.36: elevatorButton.cpp: 
// Member-function definitions for class ElevatorButton.
#include <iostream>

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

#include "elevatorButton.h"  // ElevatorButton class definition
#include "elevator.h"        // Elevator class definition

// constructor
ElevatorButton::ElevatorButton( Elevator &elevatorHandle )
   : Button( elevatorHandle )
{ 
   cout << "elevator button constructed" << endl; 

} // end ElevatorButton constructor

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

} // end ~ElevatorButton destructor

// press button and signal elevator to prepare to leave floor
void ElevatorButton::pressButton() 
{
   Button::pressButton();
   cout << "elevator button tells elevator to prepare to leave" 
        << endl;
   elevatorRef.prepareToLeave( true );

} // end function pressButton

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