Visual Servoing Platform  version 3.0.1
keyboard.cpp
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3  * This file is part of the ViSP software.
4  * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
5  *
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9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See http://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
21  * 35042 Rennes Cedex
22  * France
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24  * If you have questions regarding the use of this file, please contact
25  * Inria at visp@inria.fr
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27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * Example of keyboard management.
32  *
33  * Author:
34  * Fabien Spindler
35  *
36  *****************************************************************************/
37 
44 #include <visp3/core/vpConfig.h>
45 #include <visp3/core/vpDebug.h>
46 
47 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))
48 #include <stdio.h>
49 #include <iostream>
50 #include <signal.h>
51 
52 #include <visp3/io/vpKeyboard.h>
53 
54 
55 int
56 main()
57 {
58  std::cout << "Push some characters on the keyboard..." << std::endl;
59  printf("Hit 'q' or 'Q' to stop the loop ...\n");
60  vpKeyboard keyboard;
61 
62  std::cout << "Start the keyboard scrutation..." << std::endl;
63  for ( ; ; ) {
64 
65  if (keyboard.kbhit()) {
66  int c = keyboard.getchar () ;
67  printf("You hit key: %d '%c'\n", c, c);
68  if (c == 'q' || c == 'Q') {
69  printf("You hit key: %d %c we stop the loop\n", c, c);
70  break ;
71  }
72  }
73 
74  // My job is here
75 
76  }
77 
78  std::cout << "Enter an integer: ";
79  int myvalue;
80  std::cin >> myvalue;
81 
82  return 0;
83 }
84 #else
85 int
86 main()
87 {
88  vpTRACE("Sorry, for the moment, vpKeyboard class works only on unix...");
89  return 0;
90 }
91 #endif
Keybord management under unix (Linux or OSX). This class is not available under windows.
Definition: vpKeyboard.h:84
int getchar()
Definition: vpKeyboard.cpp:71
#define vpTRACE
Definition: vpDebug.h:414
int kbhit()
Definition: vpKeyboard.cpp:84