#include "xcbEventFilter.h"
#include <QApplication>
#include <QDebug>

#include <xcb/xcb.h>
#define explicit dont_use_cxx_explicit
#include <xcb/xkb.h>
#undef explicit

XcbEventFilter::XcbEventFilter(QObject *favicon)
{
    m_favicon = favicon;
}

XcbEventFilter::~XcbEventFilter()
{
}

bool XcbEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long *)
{
    if (eventType == "xcb_generic_event_t") {
        /* We are only interested in XCB_XKB_STATE_NOTIFY */
        xcb_xkb_state_notify_event_t *xkb_event = static_cast<xcb_xkb_state_notify_event_t *>(message);
        //qDebug() << "XCB Event: " << xkb_event->any.response_type;
        if (xkb_event->xkbType == XCB_XKB_STATE_NOTIFY) {
            /* We get the event twice here. Not critical, but to investigate */
            //qDebug() << "XCB Mapping Event - group: " << xkb_event->group << " - eventType: " << xkb_event->eventType;
            //qDebug() << "current icon: " << m_favicon->property("lang");
            switch (xkb_event->group)
            {
            case 1:
                m_favicon->setProperty("lang", "fr");
                break;
            case 0:
            default:
                m_favicon->setProperty("lang", "ru");
                break;
            }
        }
    }
    return false;
}