/**
* Sends a list of scancodes to the keyboard.
*
* @returns COM status code
* @param scancodes Safe array of scancodes
* @param codesStored Address of variable to store the number
* of scancodes that were sent to the keyboard.
This value can be NULL.
*/
STDMETHODIMP Keyboard::PutScancodes(ComSafeArrayIn (LONG, scancodes),
ULONG *codesStored)
{
if (ComSafeArrayInIsNull(scancodes))
return E_INVALIDARG;
if (!mpDrv)
return S_OK;
com::SafeArray <LONG> keys(ComSafeArrayInArg(scancodes));
int rcVBox = VINF_SUCCESS;
for (uint32_t i = 0; (i < keys.size()) && RT_SUCCESS(rcVBox); i++)
{
rcVBox = mpDrv->pUpPort->pfnPutEvent(mpDrv->pUpPort, (uint8_t)keys[i]);
}
if (RT_FAILURE (rcVBox))
return E_FAIL;
/// @todo is it actually possible that not all scancodes can be transmitted?
if (codesStored)
*codesStored = keys.size();
return S_OK;
}
/**
* Sends a list of scancodes to the keyboard.
*
* @returns COM status code
* @param scancodes Pointer to the first scancode
* @param count Number of scancodes
* @param codesStored Address of variable to store the number
* of scancodes that were sent to the keyboard.
This value can be NULL.
*/
STDMETHODIMP Keyboard::PutScancodes(ComSafeArrayIn(LONG, scancodes),
ULONG *codesStored)
{
if (ComSafeArrayInIsNull(scancodes))
return E_INVALIDARG;
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
com::SafeArray<LONG> keys(ComSafeArrayInArg(scancodes));
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV(mpDrv[0]);
/* Send input to the last enabled device. Relies on the fact that
* the USB keyboard is always initialized after the PS/2 keyboard.
*/
PPDMIKEYBOARDPORT pUpPort = NULL;
for (int i = KEYBOARD_MAX_DEVICES - 1; i >= 0 ; --i)
{
if (mpDrv[i] && (mpDrv[i]->u32DevCaps & KEYBOARD_DEVCAP_ENABLED))
{
pUpPort = mpDrv[i]->pUpPort;
break;
}
}
/* No enabled keyboard - throw the input away. */
if (!pUpPort)
{
if (codesStored)
*codesStored = (uint32_t)keys.size();
return S_OK;
}
int vrc = VINF_SUCCESS;
uint32_t sent;
for (sent = 0; (sent < keys.size()) && RT_SUCCESS(vrc); sent++)
vrc = pUpPort->pfnPutEvent(pUpPort, (uint8_t)keys[sent]);
if (codesStored)
*codesStored = sent;
/* Only signal the keys in the event which have been actually sent. */
com::SafeArray<LONG> keysSent(sent);
memcpy(keysSent.raw(), keys.raw(), sent*sizeof(LONG));
VBoxEventDesc evDesc;
evDesc.init(mEventSource, VBoxEventType_OnGuestKeyboard, ComSafeArrayAsInParam(keys));
evDesc.fire(0);
if (RT_FAILURE(vrc))
return setError(VBOX_E_IPRT_ERROR,
tr("Could not send all scan codes to the virtual keyboard (%Rrc)"),
vrc);
return S_OK;
}