Ejemplos de grub_keyboard_getkey en C++ (Cpp)

Ejemplo n.º 1

Archivo: at_keyboard.c Proyecto: Spacy/grub-fuse

    return -1;

  if (grub_keyboard_isr (key, is_break))
    return -1;
  if (is_break)
    return -1;
  return key;
}

/* If there is a character pending, return it;
   otherwise return GRUB_TERM_NO_KEY.  */
static int
grub_at_keyboard_getkey (struct grub_term_input *term __attribute__ ((unused)))
{
  int code;
  code = grub_keyboard_getkey ();
  if (code == -1)
    return GRUB_TERM_NO_KEY;
#ifdef DEBUG_AT_KEYBOARD
  grub_dprintf ("atkeyb", "Detected key 0x%x\n", key);
#endif
  switch (code)
    {
      case GRUB_KEYBOARD_KEY_CAPS_LOCK:
	at_keyboard_status ^= GRUB_TERM_STATUS_CAPS;
	led_status ^= KEYBOARD_LED_CAPS;
	keyboard_controller_led (led_status);

#ifdef DEBUG_AT_KEYBOARD
	grub_dprintf ("atkeyb", "caps_lock = %d\n", !!(at_keyboard_status & KEYBOARD_STATUS_CAPS_LOCK));
#endif

Ejemplo n.º 2

Archivo: at_keyboard.c Proyecto: remfalc/vyt-vyatta-grub

/* If there is a character pending, return it; otherwise return -1.  */
static int
grub_at_keyboard_getkey_noblock (void)
{
  int code, key;
  code = grub_keyboard_getkey ();
  if (code == -1)
    return -1;
#ifdef DEBUG_AT_KEYBOARD
  grub_dprintf ("atkeyb", "Detected key 0x%x\n", key);
#endif
  switch (code)
    {
      case CAPS_LOCK:
	/* Caps lock sends scan code twice.  Get the second one and discard it.  */
	while (grub_keyboard_getkey () == -1);

	at_keyboard_status ^= KEYBOARD_STATUS_CAPS_LOCK;
	led_status ^= KEYBOARD_LED_CAPS;
	keyboard_controller_led (led_status);

#ifdef DEBUG_AT_KEYBOARD
	grub_dprintf ("atkeyb", "caps_lock = %d\n", !!(at_keyboard_status & KEYBOARD_STATUS_CAPS_LOCK));
#endif
	key = -1;
	break;
      case NUM_LOCK:
	/* Num lock sends scan code twice.  Get the second one and discard it.  */
	while (grub_keyboard_getkey () == -1);

	at_keyboard_status ^= KEYBOARD_STATUS_NUM_LOCK;
	led_status ^= KEYBOARD_LED_NUM;
	keyboard_controller_led (led_status);

#ifdef DEBUG_AT_KEYBOARD
	grub_dprintf ("atkeyb", "num_lock = %d\n", !!(at_keyboard_status & KEYBOARD_STATUS_NUM_LOCK));
#endif
	key = -1;
	break;
      case SCROLL_LOCK:
	/* For scroll lock we don't keep track of status.  Only update its led.  */
	led_status ^= KEYBOARD_LED_SCROLL;
	keyboard_controller_led (led_status);
	key = -1;
	break;
      default:
	if (at_keyboard_status & (KEYBOARD_STATUS_CTRL_L | KEYBOARD_STATUS_CTRL_R))
	  key = keyboard_map[code] - 'a' + 1;
	else if ((at_keyboard_status & (KEYBOARD_STATUS_SHIFT_L | KEYBOARD_STATUS_SHIFT_R))
	    && keyboard_map_shift[code])
	  key = keyboard_map_shift[code];
	else
	  key = keyboard_map[code];

	if (key == 0)
	  grub_dprintf ("atkeyb", "Unknown key 0x%x detected\n", code);

	if (at_keyboard_status & KEYBOARD_STATUS_CAPS_LOCK)
	  {
	    if ((key >= 'a') && (key <= 'z'))
	      key += 'A' - 'a';
	    else if ((key >= 'A') && (key <= 'Z'))
	      key += 'a' - 'A';
	  }
    }
  return key;
}