Exemplo n.º 1
0
class AutosaveThread(QThread):
    """Threaded autosave to avoid interruption."""
    def __init__(self, session: SessionManager):
        QThread.__init__(self)
        self.session = session

    def run(self):
        self.autosave_thread_function()
        loop = QEventLoop()
        loop.exec_()

    def autosave_thread_function(self):
        """Thread function, continue until thread is terminated.
        By default, timer is set to every 5 minutes.
        TODO: Implement setting for timer.
        """
        LOG_AUTOSAVE.debug("Autosave thread started")
        self.autosave_timer = QTimer()
        self.autosave_timer.moveToThread(self)
        self.autosave_timer.timeout.connect(self.run_autosave)
        self.autosave_timer.start(1000 * self.session.autosave_interval)

    def run_autosave(self):
        """Run the autosave function in current session upon timer expire."""
        LOG_AUTOSAVE.info(f'Autosaving! {datetime.now().time()}')

        # Do autosave
        self.session.save_mode = SaveMode.AUTOSAVE
        self.session.save_project()
        self.session.save_mode = SaveMode.MANUAL

    def __del__(self):
        self.wait()
Exemplo n.º 2
0
class TimeTriggers(QObject):

    drop_signal = pyqtSignal()

    def __init__(self):
        super().__init__()

        self.is_done = False

        self.thread = QThread()
        self.moveToThread(self.thread)
        self.thread.started.connect(self.__work__)

        self.game_update_timer = QTimer()
        self.game_update_timer.timeout.connect(self.timerEvent)
        self.game_update_timer.moveToThread(self.thread)
        self.game_update_timer.start(500)
        self.thread.start()

    def start(self):
        self.thread.start()

    def timerEvent(self, event):
        self.drop_barrel()

    @pyqtSlot()
    def drop_barrel(self):
        self.drop_signal.emit()

    def __work__(self):
        while not self.is_done:
            time.sleep(0.03)
Exemplo n.º 3
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class TimeWidget(QWidget):
    def __init__(self, parent=None):
        super(TimeWidget, self).__init__(parent)
        self.timeLabel = QLabel('Time', self)
        self.timeLabel.setAlignment(Qt.AlignCenter)
        self.setLayout = QVBoxLayout(self)
        self.layout().addWidget(self.timeLabel)

        self.worker = TimeWorker(self)
        self.timeThread = QThread(self)
        self.timer = QTimer(self)
        self.timer.setInterval(1000)

        self.timer.moveToThread(self.timeThread)
        self.worker.moveToThread(self.timeThread)

        self.timer.timeout.connect(self.worker.displayTimer)
        self.worker.stringForm_Signal.connect(self.updateTime)
        self.timeThread.started.connect(self.timer.start)
        self.timeThread.start()
        QApplication.processEvents()
        self.setGeometry(40, 40, 400, 120)

    def updateTime(self, value):
        self.timeLabel.setText(value)
Exemplo n.º 4
0
class ServiceStatusCheckThread(QThread):

    # Custom signals
    update_status_title = pyqtSignal(str)
    update_status_style = pyqtSignal(str)
    update_service_details = pyqtSignal(dict)
    update_service_control_btns = pyqtSignal(str)

    def update_status(self):
        # Get service details
        try:
            service = psutil.win_service_get(SERVICE_NAME)
        except psutil.NoSuchProcess as e:
            manager_logger.warning(e)
            self.update_status_title.emit(f"Service {SERVICE_NAME} not found")
            self.update_status_style.emit(f"background-color: {self.status_color[None]}; padding: 20px;")
            self.update_service_details.emit(defaultdict(lambda: None))
            self.stop()
            if is_admin():
                self.update_service_control_btns.emit(SERVICE_NOT_FOUND)
            return

        service_info = service.as_dict()
        status = service_info['status']

        self.update_status_title.emit(f"{service_info['display_name']} is {status.upper()}")
        self.update_status_style.emit(f"background-color: {self.status_color[status]}; padding: 20px;")

        self.update_service_details.emit(service_info)

        if is_admin():
            self.update_service_control_btns.emit(status)

    def __init__(self, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.timer = QTimer()
        self.timer.moveToThread(self)
        self.finished.connect(self.timer.stop)              # When thread is finished, stop timer
        self.timer.timeout.connect(self.update_status)

        # region Styles
        self.status_color = defaultdict(lambda: '#ffff00')      # electric yellow
        self.status_color[psutil.STATUS_RUNNING] = '#90ee90'    # medium light shade of green
        self.status_color[psutil.STATUS_STOPPED] = '#add8e6'    # light shade of cyan
        # endregion

    def run(self):
        self.update_status()
        self.timer.start(SERVICE_STATUS_CHECK_INTERVAL)
        loop = QEventLoop()
        loop.exec_()

    def stop(self):
        self.exit()
Exemplo n.º 5
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class DataCaptureThread(QThread):
    my_signal = pyqtSignal(int)

    def set_is_on(self, data):
        self.is_on = data

    def set(self, transform, model, train_model):
        self.transform = transform
        self.model = model
        self.train_model = train_model

    """ 
    Evaluate the train model by matching it with the camera frames.
    If the frames are similar it finds the datasets that matches the frames
    """

    def collectProcessData(self):
        if self.is_on:
            self.cap = camera
            ret, self.frame = self.cap.read()
            self.frame = cv2.cvtColor(self.frame, cv2.COLOR_BGR2RGB)
            self.img = PIL.Image.fromarray(self.frame)
            #  self.img = self.process_image(self.img)
            self.img = self.transform(self.img)
            self.img = self.img.unsqueeze(0)
            output = self.model(self.img)
            output = F.softmax(output, dim=1).detach().numpy().flatten()
            #  output = output.detach().numpy()
            index = output.argmax()
            self.my_signal.emit(index)
            print("index", index)
            in_val = self.train_model.dataset.categories[index]

    #  print("predict val ", in_val)
        else:
            self.loop.exit()

    def __init__(self, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.dataCollectionTimer = QTimer()
        self.dataCollectionTimer.moveToThread(self)
        self.dataCollectionTimer.timeout.connect(self.collectProcessData)

    def run(self):
        self.dataCollectionTimer.start(1000)
        self.loop = QEventLoop()
        self.loop.exec_()


# if __name__ == '__main__':
#   app = QApplication(sys.argv)
#   form = App()
#   form.show()
#   app.exec_()
Exemplo n.º 6
0
class ServiceLogUpdaterThread(QThread):

    # Custom signals
    log_fetched = pyqtSignal(str)
    file_not_found = pyqtSignal()
    enable_or_disable_buttons = pyqtSignal(bool)

    def update_log(self):
        service_log_path = Settings.Service.Logging.log_path
        try:
            last_modified = os.path.getmtime(service_log_path)
        except FileNotFoundError as e:
            manager_logger.error(e)
            self.enable_or_disable_buttons.emit(False)
            self.file_not_found.emit()
            self.last_widget_update = 0
            self.stop()
            return
        # if log file was modified since last log widget update, update widget text
        if last_modified > self.last_widget_update:
            with open(service_log_path) as file:
                text = ''.join(deque(file, self.displayed_lines_no))
                self.log_fetched.emit(text)
                self.last_widget_update = time.time()

    def __init__(self, display_lines_no, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.timer = QTimer()
        self.timer.moveToThread(self)
        self.finished.connect(self.timer.stop)  # When thread is finished, stop timer
        self.timer.timeout.connect(self.update_log)
        self.last_widget_update = 0
        self.displayed_lines_no = display_lines_no

    def set_displayed_lines_no(self, lines_no):
        self.displayed_lines_no = lines_no
        if self.isRunning():
            self.last_widget_update = 0
            self.update_log()

    def run(self):
        self.enable_or_disable_buttons.emit(True)
        self.update_log()
        self.timer.start(SERVICE_LOG_UPDATE_INTERVAL)
        loop = QEventLoop()
        loop.exec_()

    def stop(self):
        self.exit()
class DataCaptureThread(QThread):
    def collectProcessData(self):
        print("Collecting Process Data")

    def __init__(self, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.dataCollectionTimer = QTimer()
        self.dataCollectionTimer.moveToThread(self)
        self.dataCollectionTimer.timeout.connect(self.collectProcessData)
        # self.dataCollectionTimer.timeout.connect(lambda:self.collectProcessData)

    def run(self):
        self.dataCollectionTimer.start(1000)
        loop = QEventLoop()
        loop.exec_()
Exemplo n.º 8
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class LCD(QThread):
    change_time = pyqtSignal(str)

    def __init__(self, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.dataCollectionTimer = QTimer()
        self.dataCollectionTimer.moveToThread(self)
        self.dataCollectionTimer.timeout.connect(self.show_lcd)

    def show_lcd(self):
        time = QtCore.QTime.currentTime()
        text = time.toString('hh:mm:ss')
        self.change_time.emit(text)

    def run(self):
        self.dataCollectionTimer.start(1000)
        loop = QEventLoop()
        loop.exec_()
Exemplo n.º 9
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class GameTimer(QThread):
    def in_process(self):
        self.time = self.time.addMSecs(1)
        if self.time.msecsSinceStartOfDay() >= self.duration:
            self.terminate()

    def __init__(self, *args, **kwargs):
        QThread.__init__(self)
        self.timer = QTimer()
        self.timer.moveToThread(self)
        self.timer.timeout.connect(self.in_process)
        self.time = QTime(0, 0, 0)
        self.duration = 0

    def run(self):
        self.timer.start(1)
        loop = QEventLoop()
        loop.exec_()
Exemplo n.º 10
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class BeatThread(QThread):
    signal = pyqtSignal('PyQt_PyObject')

    def __init__(self, interval=5000, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)

        self.interval = interval

        self.beat_timer = QTimer()
        self.beat_timer.moveToThread(self)
        self.beat_timer.timeout.connect(self.tick)

    def tick(self):
        log.info("beat")
        self.signal.emit(0)

    def run(self):
        log.info("starting beat ..")
        self.beat_timer.start(self.interval)
        loop = QEventLoop()
        loop.exec_()
Exemplo n.º 11
0
class SplashTimer(QThread):
    def in_process(self):
        self.time = self.time.addSecs(1)
        if self.status == Status.SPLASH_END and self.time.msecsSinceStartOfDay(
        ) >= 3000:
            self.terminate()
        if self.status != Status.SPLASH_END:
            if self.count > 0:
                self.label.setText(str(self.count))
            elif self.count == 0:
                self.label.setText("")
            elif self.count == -1:
                self.terminate()
            self.count -= 1

    def __init__(self, status, label):
        QThread.__init__(self)
        self.timer = QTimer()
        self.timer.moveToThread(self)
        self.timer.timeout.connect(self.in_process)
        self.time = QTime(0, 0, 0)
        self.status = status
        self.label = label
        self.count = 5
        self.init_label()

    def run(self):
        self.timer.start(1000)
        loop = QEventLoop()
        loop.exec_()

    def init_label(self):
        if self.status == Status.SPLASH_END:
            self.label.setText("")
        else:
            self.label.setText(str(self.count))
            self.count -= 1
Exemplo n.º 12
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class AutosaveThread(QThread):
    """Threaded autosave to avoid interruption."""
    def __init__(self, session: SessionManager):
        QThread.__init__(self)
        self.thread_log = logging.getLogger("AutosaveThread")
        self.session = session

    def run(self):
        self.autosave_thread_function()
        loop = QEventLoop()
        loop.exec_()

    def autosave_thread_function(self):
        """Thread function, continue until thread is terminated.
        By default, timer is set to every 5 minutes.
        TODO: Implement setting for timer.
        """
        self.thread_log.info("Autosave thread started")
        self.autosave_timer = QTimer()
        self.autosave_timer.moveToThread(self)
        self.autosave_timer.timeout.connect(self.run_autosave)
        self.autosave_timer.start(1000 * self.session.autosave_interval)

    def run_autosave(self):
        """Run the autosave function in current session upon timer expire."""
        self.thread_log.info(f'Autosaving! {datetime.now().time()}')
        # Remember current session details
        current_save = self.session.session_filename
        current_export = self.session.converter.data.export_location

        # Do autosave
        self.session.autosaving = True
        self.make_autosave_file()
        self.thread_log.info(f"Autosave path {self.session.session_filename}")
        self.session.exec_save()
        self.session.autosaving = False

        # Restore session details
        self.session.session_filename = current_save
        self.session.converter.data.export_location = current_export

    def make_autosave_file(self):
        autosave_path = os.path.abspath(
            os.path.join(os.path.dirname(os.path.dirname(__file__)), "..",
                         "autosave"))
        if not os.path.exists(autosave_path):
            os.makedirs(autosave_path)
        self.session.session_filename = os.path.join(autosave_path,
                                                     "autosave.hermes")
        self.setup_autosave_file()

    def setup_autosave_file(self):
        self.session.converter.data.export_location = mkdtemp()
        self.session.converter.data.lmf = create_lmf(
            transcription_language="Transcription",
            translation_language="Translation",
            author="Autosaver")
        self.session.converter.data.lmf['words'] = list()

    def __del__(self):
        self.wait()
Exemplo n.º 13
0
class CardThread(QThread):
    def in_process(self):
        self.time = self.time.addMSecs(30)
        index = self.time.msecsSinceStartOfDay()

        if index < 20: return

        if self.is_finished: self.terminate()

        if len(self.list) == 0:
            for i in range(index):
                self.list.append(
                    self.parser.is_in_range(self.screen_size, self.x, self.y,
                                            self.i, self.j, self.proportion))
        else:
            self.list.pop(0)
            self.list.append(
                self.parser.is_in_range(self.screen_size, self.x, self.y,
                                        self.i, self.j, self.proportion))

        red, green, blue = self.get_rgb()
        if self.list.count(True) / len(self.list) >= 0.4:
            red, green, blue = self.rgb_to_black(red, green, blue)
            self.set_rgb(red, green, blue)
            if self.is_black():
                self.label.setStyleSheet(
                    "background-color: rgb(0, 0, 0); color: black;")
                self.terminate()
        else:
            red, green, blue = self.rgb_to_white(red, green, blue)
            if self.is_initial_color() is False:
                self.set_rgb(red, green, blue)

    def __init__(self, label, parser, screen_size, i, j, proportion):
        QThread.__init__(self)
        self.timer = QTimer()
        self.timer.moveToThread(self)
        self.timer.timeout.connect(self.in_process)
        self.time = QTime(0, 0, 0)
        self.label = label
        self.parser = parser
        self.screen_size = screen_size
        self.x = 0
        self.y = 0
        self.i = i
        self.j = j
        self.proportion = proportion
        self.list = []
        self.is_finished = False
        self.set_rgb(self.parser.get_dwell_rgb(), self.parser.get_dwell_rgb(),
                     self.parser.get_dwell_rgb())

    def run(self):
        self.timer.start(30)
        loop = QEventLoop()
        loop.exec_()

    def get_rgb(self):
        stylesheet = self.label.styleSheet()
        regex = r"[Rr][Gg][Bb][\(](((([\d]{1,3})[\,]{0,1})[\s]*){3})[\)]"
        rgb = re.search(regex, stylesheet).groups()
        return int(rgb[1]), int(rgb[2]), int(rgb[3])

    def rgb_to_black(self, red, green, blue):
        return red - 1, green - 1, blue - 1

    def rgb_to_white(self, red, green, blue):
        return red + 1, green + 1, blue + 1

    def set_rgb(self, red, green, blue):
        if red < 0 or green < 0 or blue < 0: return
        if red > 255 or green > 255 or blue > 255: return
        stylesheet = "background-color: rgb(%d, %d, %d); color: white;" % (
            red, green, blue)
        self.label.setStyleSheet(stylesheet)

    def is_black(self):
        red, green, blue = self.get_rgb()
        return True if red == 0 and green == 0 and blue == 0 else False

    def is_initial_color(self):
        red, green, blue = self.get_rgb()
        color = self.parser.get_dwell_rgb()
        return True if red == color and green == color and blue == color else False
Exemplo n.º 14
0
class ScreenIO(QObject):
    # =========================================================================
    # Settings
    # =========================================================================
    # Update rate of simulation info messages [Hz]
    siminfo_rate = 2

    # Update rate of aircraft update messages [Hz]
    acupdate_rate = 5

    # =========================================================================
    # Slots
    # =========================================================================
    @pyqtSlot()
    def send_siminfo(self):
        t  = time.time()
        dt = t - self.prevtime
        qapp.postEvent(qapp.instance(), SimInfoEvent((self.sim.samplecount - self.prevcount) / dt, self.sim.simdt, self.sim.simt, self.sim.traf.ntraf, self.sim.mode))
        self.prevtime  = t
        self.prevcount = self.sim.samplecount

    @pyqtSlot()
    def send_aircraft_data(self):
        data            = ACDataEvent()
        data.id         = list(self.sim.traf.id)
        data.lat        = np.array(self.sim.traf.lat, dtype=np.float32, copy=True)
        data.lon        = np.array(self.sim.traf.lon, dtype=np.float32, copy=True)
        data.alt        = np.array(self.sim.traf.alt, dtype=np.float32, copy=True)
        data.tas        = np.array(self.sim.traf.tas, dtype=np.float32, copy=True)
        data.iconf      = np.array(self.sim.traf.iconf, copy=True)
        data.confcpalat = np.array(self.sim.traf.dbconf.latowncpa, copy=True)
        data.confcpalon = np.array(self.sim.traf.dbconf.lonowncpa, copy=True)
        data.trk        = np.array(self.sim.traf.trk, dtype=np.float32, copy=True)
        qapp.postEvent(qapp.instance(), data)

    @pyqtSlot()
    def send_aman_data(self):
        data            = AMANEvent()
        data.ids        = list(self.sim.traf.AMAN.AllFlights.CallSign)
        data.iafs       = []
        data.rwys       = []
        for s in self.sim.traf.AMAN.AllFlights.Route_outside_TMA:
            data.iafs.append(s.whichIAF)
            data.rwys.append(s.whichRWY)
        data.eats       = list(self.sim.traf.AMAN.CurrSchTime_at_IAF)
        data.stas       = list(self.sim.traf.AMAN.CurrSchTime_at_RWY)
        data.etas       = list(self.sim.traf.AMAN.CurrEstTime_at_RWY)
        data.delays     = list(self.sim.traf.AMAN.CurrDelToBeAbs)

        data.sw_show     = list(self.sim.traf.AMAN.AMANhor_sw)
        data.STAstatuses = list(self.sim.traf.AMAN.STAstatus)
        data.PopupLabels = list(self.sim.traf.AMAN.AllFlights.PopupLabel)

        qapp.postEvent(qapp.instance(), data)
        pass

    # =========================================================================
    # Functions
    # =========================================================================
    def __init__(self, sim):
        super(ScreenIO, self).__init__()

        # Keep track of the important parameters of the screen state
        # (We receive these through events from the gui)
        self.ctrlat  = 0.0
        self.ctrlon  = 0.0
        self.scrzoom = 1.0

        # Keep reference to parent simulation object for access to simulation data
        self.sim = sim

        # Timing bookkeeping counters
        self.prevtime = 0.0
        self.prevcount = 0

        # Output event timers
        self.siminfo_timer = QTimer()
        self.siminfo_timer.timeout.connect(self.send_siminfo)
        self.siminfo_timer.timeout.connect(self.send_aman_data)
        self.siminfo_timer.start(1000/self.siminfo_rate)

        self.acupdate_timer = QTimer()
        self.acupdate_timer.timeout.connect(self.send_aircraft_data)
        self.acupdate_timer.start(1000/self.acupdate_rate)

    def moveToThread(self, target_thread):
        self.siminfo_timer.moveToThread(target_thread)
        self.acupdate_timer.moveToThread(target_thread)
        super(ScreenIO, self).moveToThread(target_thread)

    def echo(self, text):
        qapp.postEvent(qapp.instance(), StackTextEvent(text))

    def getviewlatlon(self):
        lat0 = self.ctrlat - 1.0 / self.scrzoom
        lat1 = self.ctrlat + 1.0 / self.scrzoom
        lon0 = self.ctrlon - 1.0 / self.scrzoom
        lon1 = self.ctrlon + 1.0 / self.scrzoom
        return lat0, lat1, lon0, lon1

    def zoom(self, zoomfac, absolute=False):
        if absolute:
            self.scrzoom = zoomfac
        else:
            self.scrzoom *= zoomfac
        qapp.postEvent(qapp.instance(), PanZoomEvent(zoom=zoomfac, absolute=absolute))

    def symbol(self):
        qapp.postEvent(qapp.instance(), DisplayFlagEvent('SYM'))
        return

    def pan(self, pan, absolute=False):
        if absolute:
            self.ctrlat = pan[0]
            self.ctrlon = pan[1]
        else:
            self.ctrlat += pan[0]
            self.ctrlon += pan[1]
        qapp.postEvent(qapp.instance(), PanZoomEvent(pan=pan, absolute=absolute))

    def showroute(self, acid):
        data       = RouteDataEvent()
        data.acidx = self.sim.traf.id2idx(acid)
        if data.acidx >= 0:
            route = self.sim.traf.route[data.acidx]
            n_segments     = len(route.wplat) + 1
            data.lat       = np.empty(n_segments, dtype=np.float32)
            data.lat[0]    = self.sim.traf.lat[data.acidx]
            data.lat[1:]   = route.wplat
            data.lon       = np.empty(n_segments, dtype=np.float32)
            data.lon[0]    = self.sim.traf.lon[data.acidx]
            data.lon[1:]   = route.wplon
            wptlabels      = []
            for i in range(1, n_segments):
                wptlabels += '%-8s' % route.wpname[i-1]
            data.wptlabels = np.array(wptlabels)
        qapp.postEvent(qapp.instance(), data)

    def showssd(self, param):
        if param == 'ALL' or param == 'OFF':
            qapp.postEvent(qapp.instance(), DisplayFlagEvent('SSD', param))
        else:
            idx = self.sim.traf.id2idx(param)
            if idx >= 0:
                qapp.postEvent(qapp.instance(), DisplayFlagEvent('SSD', idx))

    def show_file_dialog(self):
        qapp.postEvent(qapp.instance(), ShowDialogEvent())
        return ''

    def postQuit(self):
        qapp.postEvent(qapp.instance(), SimQuitEvent())
        return ''

    def feature(self, switch, argument=''):
        qapp.postEvent(qapp.instance(), DisplayFlagEvent(switch, argument))

    def objappend(self, objtype, objname, data_in):
        if data_in is None:
            # This is an object delete event
            data = None
        elif objtype == 1 or objtype == 4:
            # LINE(1) or POLY(4)
            data = np.array(data_in, dtype=np.float32)
        elif objtype == 2:
            # BOX
            data = np.array([data_in[0], data_in[1],
                             data_in[0], data_in[3],
                             data_in[2], data_in[3],
                             data_in[2], data_in[1]], dtype=np.float32)

        elif objtype == 3:
            # CIRCLE
            pass

        qapp.postEvent(qapp.instance(), DisplayShapeEvent(objname, data))

    def event(self, event):
        if event.type() == StackTextEventType:
            self.sim.stack.stack(event.text)

        elif event.type() == PanZoomEventType:
            self.ctrlat  = event.pan[0]
            self.ctrlon  = event.pan[1]
            self.scrzoom = event.zoom

        return True
Exemplo n.º 15
0
class MessageLabel(FLabel):
    def __init__(self, app, parent=None):
        super().__init__(parent)
        self._app = app

        self.setObjectName('message_label')
        self._interval = 3
        self.timer = QTimer()
        self.queue = []
        self.hide()

        self.timer.timeout.connect(self.access_message_queue)

    @property
    def common_style(self):
        style_str = '''
            #{0} {{
                padding-left: 3px;
                padding-right: 5px;
            }}
        '''.format(self.objectName())
        return style_str

    def _set_error_style(self):
        theme = self._app.theme_manager.current_theme
        style_str = '''
            #{0} {{
                background: {1};
                color: {2};
            }}
        '''.format(self.objectName(),
                   theme.color1_light.name(),
                   theme.color7_light.name())
        self.setStyleSheet(style_str + self.common_style)

    def _set_normal_style(self):
        theme = self._app.theme_manager.current_theme
        style_str = '''
            #{0} {{
                background: {1};
                color: {2};
            }}
        '''.format(self.objectName(),
                   theme.color6_light.name(),
                   theme.color7.name())
        self.setStyleSheet(style_str + self.common_style)

    def show_message(self, text, error=False):
        if self.isVisible():
            self.queue.append({'error': error, 'message': text})
            self._interval = 1.5
            return
        if error:
            self._set_error_style()
        else:
            self._set_normal_style()
        self.setText(str(len(self.queue)) + ': ' + text)
        self.show()
        self.timer.moveToThread(QThread.currentThread())
        self.timer.start(self._interval * 1000)

    def access_message_queue(self):
        self.hide()
        if self.queue:
            m = self.queue.pop(0)
            self.show_message(m['message'], m['error'])
        else:
            self._interval = 3