CSCI 131 Techniques of Programming--Spring 2014

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Solution to Lab 3 menu.cc

//***********************************************************************
// menu.cc
//     Author:  King/Royden
//     Date:    February 10, 2014
//     Class:   CSCI 131
//     Purpose: This program allows a user to select a picture from the
//              menu to display
//     Input:   (from standard input) a character
//     Output:  (to standard output) a picture 
//***********************************************************************

#include <iostream>
#include <cstdlib>

void DisplayLion( void );
void DisplayTiger( void );
void DisplayHorse( void );

using namespace std;

int main( void )
{
   char animalChoice;  // Choice of animal -- Horse, Lion, or Tiger

   // Display menu and get input
   cout << endl << "     MENU" << endl;
   cout << "H - Display a horse" << endl;
   cout << "L - Display a lion" << endl;
   cout << "T - Display a tiger" << endl;
   cout << "Enter a menu option: ";
   cin >> animalChoice;
   cout << animalChoice << endl;
   
   // Decide which animal to display
   switch (animalChoice) {
      case 'H':  
      case 'h':
              DisplayHorse();
              break;
      case 'L':
      case 'l':
              DisplayLion();
              break;
      case 'T':
      case 't':
              DisplayTiger();
              break;
      default:
             cout << "ERROR: Bad input character:  " << animalChoice << endl;
             break;
   } // choose which animal to display

    return 0;	
} // main


//***********************************************************************
// void DisplayLion( void )
//     Purpose: To display a picture of a lion
//***********************************************************************
void DisplayLion( void )
{
    system("/usr/bin/eog  /home/fac/csci131/labs/pictures/lion.jpg");
} // DisplayLion


//***********************************************************************
// void DisplayTiger( void )
//     Purpose: To display a picture of a tiger
//***********************************************************************
void DisplayTiger( void )
{
   //the Eye of Gnome viewer
    system("/usr/bin/eog   /home/fac/csci131/labs/pictures/tiger.jpg");
} // DisplayTiger


//***********************************************************************
// void DisplayHorse( void )
//     Purpose: To display a picture of a horse
//***********************************************************************
void DisplayHorse( void )
{
    system("/usr/bin/eog   /home/fac/csci131/labs/pictures/horse.jpg");
    //under solaris
    //system("/usr/apps/bin/xv -quit /home/fac/csci131/labs/pictures/horse.jpg");
} // DisplayHorse

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CSCI 131: Techniques of Programming
Last Modified: February 10, 2014
Page Expires: February 10, 2015