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;
  }
}