JKeypress.cc

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#include <string>
#include <iostream>
#include <iomanip>
 
#include "JSystem/JKeypress.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
/**
 * \file
 *
 * Example program to test key board pressings (class JSYSTEM::JKeypress).
 * \author mdejong
 */
int main(int argc, char* argv[])
{
  using namespace std;
 
  bool   echo;
  int    timeout_us;
 
  try {
 
    JParser<> zap("Example program to test key board pressings.");
 
    zap['c'] = make_field(echo);
    zap['t'] = make_field(timeout_us) = 1000;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  using namespace JPP;
 
  if (true) {
 
    cout << "> " << flush;
 
    int c = JKeypress(echo).get();
 
    cout << endl << "return <" << (char) c << ">" << endl;
  }
    
  if (true) {
 
    JKeypress keypress(false);
 
    int c = (int) '?';
 
    for (int i = 0; i != 10000; ++i) {
      
      cout << setw(5) << i << flush << '\r';
 
      if (keypress.timeout(timeout_us)) {
        c = keypress.get();
        break;
      }
    }
 
    cout << endl << "return <" << (char) c << ">" << endl;
  }
}