floorbutton.h

《c＋＋大学教程》源码

// Fig. 7.39: floorButton.h
// FloorButton class definition.
#ifndef FLOORBUTTON_H
#define FLOORBUTTON_H

class Elevator;  // forward declaration

class FloorButton {

public:
    FloorButton( int, Elevator & );  // constructor
   ~FloorButton();                   // destructor

   void pressButton();  // press the button
   void resetButton();  // reset the button

private:
   const int floorNumber;  // button's floor number
   bool pressed;           // button state 
   
   // reference to elevator used to summon 
   // elevator to floor
   Elevator &elevatorRef;

}; // end class FloorButton

#endif // FLOORBUTTON_H

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