Remote Functionlaity in QT

If you are running Linux, you can take a look at the code which supports the remote in the DVSDK demos and the Ir module in DMAI.  You can create an "IR manager" in your QT application that uses the functionality of the Ir module (probably simpler to just copy Ir.c and Ir.h and remove all references to "Dmai" instead of linking with DMAI libraries in this case, as the Ir module is fairly standalone).  The Ir thread can call the Ir manager class and do something along this line:

/******************************************************************************
 * IrThread::IrThread
 ******************************************************************************/
IrThread::IrThread(IrManager * hIrMan)
{
    m_hIrMan = hIrMan;
    m_quit = FALSE;
}

/******************************************************************************
 * IrThread::~IrThread
 ******************************************************************************/
IrThread::~IrThread()
{
    m_quit = TRUE;
    while (m_quit) {};
}

/******************************************************************************
 * IrThread::run
 ******************************************************************************/   
void IrThread::run()
{
    Qt::Key key;

    while (!m_quit) {
        /* If an IR key had been pressed, service it */
        if (m_hIrMan->getKey(&key)) {
            /* Send QKeyEvent to QApplication */

           // insert your code here to signal the application of this key event

        }
       
        usleep(REMOTECONTROLLATENCY);
    }
    m_quit = FALSE;
}

/******************************************************************************
 * IrManager::getKey
 * Get a key from IR port
 ******************************************************************************/
bool IrManager::getKey(Qt::Key * qtKey)
{
    Ir_Key key;

    if (Ir_getKey(m_hIr, &key) < 0) {
        printf("Failed to get IR value.\n");
    }

    /* If an IR key had been pressed, service it */
    if (key != 0) {
        return convertToQTKey(key, qtKey);
    }   
    else {
        return (FALSE);
    }
}

/******************************************************************************
 * convertToQTKey
 * Convert/map IR key code to QT keyboard key
 ******************************************************************************/
static bool convertToQTKey(Ir_Key key, Qt::Key * qtKey)
{
    printf("key pressed: %x\n", key);

    switch(key) {
        case Ir_Key_POWER:
            *qtKey = Qt::Key_Escape;
            break;
        case Ir_Key_MENUDONE:
            *qtKey = Qt::Key_Backspace;
            break;
        case Ir_Key_OK:
            *qtKey = Qt::Key_Return;
            break;
        default:
            return FALSE;
    }

    return TRUE;
}

Hope this helps,

Vincent