vpKeyboard Class Reference

#include <vpKeyboard.h>

Public Member Functions
	vpKeyboard ()
	~vpKeyboard ()
int	kbhit ()
int	getchar ()

Detailed Description

Keybord management under unix.

Gets a key from the keyboard without waiting for the enter key.

vpKeyboard keyboard; // Turn on keyboard raw mode
int c;
while (...) {
  ...
  if (keyboard.kbhit()) { // Detect if a key was pressed
    c = keyboard.getchar (void); // Get the pressed key
    if (c == 'q' || c == 'Q') {
      break; // Quit the while()
    }
  ...
  }
}

// Keyboard raw mode is turned off by the vpKeyboard destructor

Examples:

keyboard.cpp.

Definition at line 87 of file vpKeyboard.h.

Constructor & Destructor Documentation

vpKeyboard::vpKeyboard

(

)

Activates the raw mode to read keys in an non blocking way.

Definition at line 57 of file vpKeyboard.cpp.

vpKeyboard::~vpKeyboard

(

)

Stops the raw mode.

Definition at line 65 of file vpKeyboard.cpp.

Member Function Documentation

int vpKeyboard::getchar

(

)

Get the hit key. kbhit() indicates if a key was hitten.

Examples:

keyboard.cpp.

Definition at line 75 of file vpKeyboard.cpp.

int vpKeyboard::kbhit

(

)

Returns

1 : if a key was hit.

Examples:

keyboard.cpp.

Definition at line 88 of file vpKeyboard.cpp.