예제 #1
0
 def _prepare(self):
     if self.share_dir is None:
         raise Exception("Cant locate share directory")
     theme_name = self.settings.value("theme", "default")
     self.theme = Theme(join(self.share_dir, "themes", theme_name), None)
     self.theme.enable_sound = self.settings.value("enable_sound",
                                                   type=bool)
     self.game = Game(self.server_url)
     self.poll_timer = self.startTimer(500)
     self.setup_fields_on_poll = False
예제 #2
0
 def _start_server(self):
     server_running = Game.check_server(self.server_url)
     use_local_server = self.settings.value("use_local_server", type=bool)
     self.local_server_used = False
     if server_running:
         if use_local_server:
             logging.info(
                 _("Server appears to be already running, do not start a local server"
                   ))
     else:
         if use_local_server:
             self.splashscreen.showMessage(_("Starting local server..."))
             QApplication.processEvents()
             server_path = self.settings.value("local_server_path")
             logging.info(_("Running local server: {}").format(server_path))
             server = subprocess.Popen(server_path,
                                       shell=True,
                                       stdout=subprocess.PIPE,
                                       stderr=subprocess.STDOUT)
             time.sleep(1)
             server.poll()
             if server.returncode is not None and server.returncode != 0:
                 output = server.stdout.read()
                 message = _(
                     "Could not start local server; exit code: {}; message:\n{}"
                 ).format(server.returncode, output.decode('utf-8'))
                 logging.error(message)
                 QMessageBox.critical(self, _("Exception"), message)
             else:
                 self.local_server_used = True
예제 #3
0
 def process_message(self, message):
     if "move" in message:
         move = Move.fromJson(message["move"])
         self.message.emit(OtherSideMove(self, move))
         self._new_board = Game.parse_board(message["board"])
         src_field = self.index_by_label[move.from_field]
         dst_field = self.get_move_end_field(move)
         start_position = self.get_field_center(src_field)
         piece = self.fields[src_field].piece
         if piece is None:
             raise Exception("No piece at {}!".format(src_field))
         if self.invert_colors:
             piece = piece.inverted()
         self.move_animation.start(src_field,
                                   dst_field,
                                   move,
                                   start_position,
                                   piece,
                                   process_result=False)
         my_side = 'First' if self.game.user_side == FIRST else 'Second'
         self.my_turn = True
         #self.my_turn = message["to_side"] == my_side
     elif "undo" in message:
         self.message.emit(UndoMessage())
         self._board = Game.parse_board(message["board"])
     elif "hint" in message:
         moves = [Move.fromJson(m) for m in message["hint"]]
         self.message.emit(AiHintMessage(moves))
     elif "result" in message:
         result = message["result"]
         self.message.emit(GameResultMessage(result))
     elif "draw" in message:
         self.message.emit(DrawRequestedMessage())
     elif "draw_accepted" in message:
         result = message["draw_accepted"]
         self.message.emit(DrawResponseMessage(result))
     elif "message" in message:
         text = message["message"]
         level = message["level"]
         self.server_log.emit(level, text)
예제 #4
0
class Checkers(QMainWindow):
    def __init__(self, share_dir):
        QMainWindow.__init__(self)
        self.share_dir = share_dir
        self.setWindowTitle(_("HCheckers client"))
        self.settings = QSettings("hcheckers", "hcheckers")
        self._board_setup_mode = False
        self._game_active = False
        self._connection_failed = False
        self._poll_try_number = 0
        self.splashscreen = None
        self._show_splashcreen(_("Starting HCheckers..."))
        self.server_url = self.settings.value("server_url", DEFAULT_SERVER_URL)
        self._start_server()
        self._prepare()
        self._gui_setup()
        self._setup_actions()
        self._default_new_game()

    def get_board_setup_mode(self):
        return self._board_setup_mode

    def set_board_setup_mode(self, mode):
        self._board_setup_mode = mode
        self.run_action.setEnabled(mode)
        self.put_first_action.setEnabled(mode)
        self.put_second_action.setEnabled(mode)
        self.erase_action.setEnabled(mode)

    board_setup_mode = property(get_board_setup_mode, set_board_setup_mode)

    def get_my_turn(self):
        return self.board.my_turn

    def set_my_turn(self, value):
        self.board.my_turn = value
        if value:
            self.statusBar().showMessage(_("Your turn."))
            self.board.text_message = None
            #self.board.repaint()
        else:
            self.statusBar().showMessage(
                _("Awaiting a turn from another side."))
            #self.board.text_message = _("Waiting for another side turn")

    my_turn = property(get_my_turn, set_my_turn)

    def get_game_active(self):
        return self._game_active

    def set_game_active(self, value):
        self._game_active = value
        self.board.locked = not value

    game_active = property(get_game_active, set_game_active)

    def _start_server(self):
        server_running = Game.check_server(self.server_url)
        use_local_server = self.settings.value("use_local_server", type=bool)
        self.local_server_used = False
        if server_running:
            if use_local_server:
                logging.info(
                    _("Server appears to be already running, do not start a local server"
                      ))
        else:
            if use_local_server:
                self.splashscreen.showMessage(_("Starting local server..."))
                QApplication.processEvents()
                server_path = self.settings.value("local_server_path")
                logging.info(_("Running local server: {}").format(server_path))
                server = subprocess.Popen(server_path,
                                          shell=True,
                                          stdout=subprocess.PIPE,
                                          stderr=subprocess.STDOUT)
                time.sleep(1)
                server.poll()
                if server.returncode is not None and server.returncode != 0:
                    output = server.stdout.read()
                    message = _(
                        "Could not start local server; exit code: {}; message:\n{}"
                    ).format(server.returncode, output.decode('utf-8'))
                    logging.error(message)
                    QMessageBox.critical(self, _("Exception"), message)
                else:
                    self.local_server_used = True

    def _prepare(self):
        if self.share_dir is None:
            raise Exception("Cant locate share directory")
        theme_name = self.settings.value("theme", "default")
        self.theme = Theme(join(self.share_dir, "themes", theme_name), None)
        self.theme.enable_sound = self.settings.value("enable_sound",
                                                      type=bool)
        self.game = Game(self.server_url)
        self.poll_timer = self.startTimer(500)
        self.setup_fields_on_poll = False

    def _icon(self, name):
        return QIcon(join(self.share_dir, "icons", name))

    @handling_error
    def _gui_setup(self):
        widget = QWidget(self)
        layout = QVBoxLayout()
        self.board = Board(self.theme, self.settings, self.game, self)
        self.board.message.connect(self._on_board_message)
        self.board.field_clicked.connect(self._on_field_clicked)
        #self.board.show()
        self.toolbar = QToolBar(self)
        self.message = QLabel(self)
        layout.addWidget(self.toolbar)
        layout.addWidget(self.message)
        layout.addWidget(self.board, stretch=1)
        widget.setLayout(layout)
        self.setCentralWidget(widget)

        self.status_info = QLabel(self)
        self.statusBar().addPermanentWidget(self.status_info)
        self.rules_info = QLabel(self)
        self.rules_info.setFrameStyle(QFrame.Sunken | QFrame.Panel)
        #self.rules_info.setLineWidth(3)
        self.statusBar().addPermanentWidget(self.rules_info)
        self.opponent_info = QLabel(self)
        self.opponent_info.setFrameStyle(QFrame.Sunken | QFrame.Panel)
        #self.opponent_info.setLineWidth(3)
        self.statusBar().addPermanentWidget(self.opponent_info)

        self.history = HistoryWidget(self.game, self.board, self)
        self.history_dock = QDockWidget(_("History"), self)
        self.history_dock.setAllowedAreas(Qt.AllDockWidgetAreas)
        self.history_dock.setWidget(self.history)
        self.history_dock.setObjectName("history")
        self.addDockWidget(Qt.RightDockWidgetArea, self.history_dock)

        self.log = QListWidget(self)
        self.log.setContextMenuPolicy(Qt.CustomContextMenu)
        self.log.customContextMenuRequested.connect(self._on_log_context_menu)
        self.log_dock = QDockWidget(_("Log"), self)
        self.log_dock.setAllowedAreas(Qt.AllDockWidgetAreas)
        self.log_dock.setWidget(self.log)
        self.log_dock.setObjectName("log")
        self.addDockWidget(Qt.BottomDockWidgetArea, self.log_dock)

        console_handler = logging.getLogger().handlers[0]
        logging.getLogger().removeHandler(console_handler)
        log_handler = UiLogHandler(self.log)
        level = self.settings.value("log_level", logging.INFO, type=int)
        logging.getLogger().setLevel(level)
        logging.getLogger().addHandler(log_handler)
        for logger in lowered_loggers:
            logging.getLogger(logger).addFilter(
                LogFilter(lowered_regexps=lowered_regexps))

        self.board.server_log.connect(self._on_server_log)

        geometry = self.settings.value("UI/geometry")
        if geometry is not None:
            self.restoreGeometry(geometry)
        state = self.settings.value("UI/windowState")
        if state is not None:
            self.restoreState(state)

    def _create_action(self,
                       icon,
                       title,
                       menu,
                       handler=None,
                       group=None,
                       toggle=False,
                       toolbar=True,
                       key=None):
        if group is None:
            parent = self
        else:
            parent = group
        action = QAction(title, parent)
        if icon is not None:
            action.setIcon(icon)
        if key is not None:
            action.setShortcut(key)
        if toggle:
            action.setCheckable(True)
        if toolbar:
            self.toolbar.addAction(action)
        menu.addAction(action)
        if handler:
            action.triggered.connect(handler)
        return action

    def _setup_actions(self):
        menu = self.menuBar().addMenu(_("&Game"))
        self._create_action(QIcon.fromTheme("document-new"),
                            _("&New Game"),
                            menu,
                            self._on_new_game,
                            key="Ctrl+N")
        self._create_action(QIcon.fromTheme("document-open"),
                            _("&Open Game..."),
                            menu,
                            self._on_open_game,
                            key="Ctrl+O")
        self._create_action(QIcon.fromTheme("document-save"),
                            _("&Save Position"),
                            menu,
                            self._on_save_game,
                            key="Ctrl+S")
        self._create_action(QIcon.fromTheme("edit-undo"),
                            _("&Undo"),
                            menu,
                            self._on_undo,
                            key="Ctrl+Z")
        self.request_draw_action = self._create_action(
            self._icon("draw_offer.svg"), _("Offer a &draw"), menu,
            self._on_draw_rq)
        self.capitulate_action = self._create_action(self._icon("handsup.svg"),
                                                     _("Capitulate"), menu,
                                                     self._on_capitulate)

        menu.addSeparator()

        self.clear_log_action = self._create_action(
            QIcon.fromTheme("edit-clear"),
            _("&Clear log"),
            menu,
            self._on_clear_log,
            toolbar=False)
        self.copy_log_action = self._create_action(
            QIcon.fromTheme("edit-copy"),
            _("Copy selected log record"),
            menu,
            self._on_copy_log,
            toolbar=False)
        self.save_log_action = self._create_action(
            QIcon.fromTheme("document-save"),
            _("Save &log..."),
            menu,
            self._on_save_log,
            toolbar=False)

        menu.addSeparator()
        self.toolbar.addSeparator()

        self.run_action = self._create_action(
            QIcon.fromTheme("media-playback-start"),
            _("Start &Game"),
            menu,
            self._on_run_game,
            key="Ctrl+R")
        menu.addSeparator()
        self._create_action(QIcon.fromTheme("preferences-system"),
                            _("Se&ttings"),
                            menu,
                            self._on_settings,
                            toolbar=False)
        menu.addSeparator()
        self._create_action(QIcon.fromTheme("application-exit"),
                            _("E&xit"),
                            menu,
                            self._on_exit,
                            toolbar=False,
                            key="Ctrl+Q")

        menu = self.menuBar().addMenu(_("&Position"))
        setup = QActionGroup(self)
        setup.setExclusive(True)
        self.put_first_action = self._create_action(self._icon("manwhite.svg"),
                                                    _("Put &white piece"),
                                                    menu,
                                                    group=setup,
                                                    toggle=True)
        self.put_second_action = self._create_action(
            self._icon("manblack.svg"),
            _("Put &black piece"),
            menu,
            group=setup,
            toggle=True)
        self.erase_action = self._create_action(QIcon.fromTheme("list-remove"),
                                                _("&Remove piece"),
                                                menu,
                                                group=setup,
                                                toggle=True)
        self.board_setup_mode = False
        menu.addSeparator()
        self.toolbar.addSeparator()

        menu = self.menuBar().addMenu(_("&View"))
        self.flip_action = self._create_action(
            QIcon.fromTheme("object-flip-vertical"),
            _("&Flip board"),
            menu,
            self._on_flip_board,
            toggle=True,
            key="Ctrl+T")
        flip = self.settings.value("flip_board", False, type=bool)
        self.flip_action.setChecked(flip)
        self._set_flip_board(flip)
        menu.addAction(self.history_dock.toggleViewAction())
        menu.addAction(self.log_dock.toggleViewAction())

    @handling_error
    def _on_run_game(self, checked=None):
        self.board_setup_mode = False
        board = self.board.json()
        self.game.start_new_game(
            self.game_settings.user_name,
            rules=self.game_settings.rules,
            user_turn_first=self.game_settings.user_turn_first,
            ai=self.game_settings.ai,
            board=board)
        self.board.text_message = None
        self.board.fields_setup()

    @handling_error
    def _on_field_clicked(self, row, col):
        if not self.board_setup_mode:
            return

        field = self.board.fields[(row, col)]
        if not field.usable:
            logging.debug("You cant put piece at this field")
            return

        first = self.put_first_action.isChecked()
        second = self.put_second_action.isChecked()
        erase = self.erase_action.isChecked()

        if not first and not second and not erase:
            return
        if first:
            side = FIRST
        elif second:
            side = SECOND

        piece = field.piece
        if not erase:
            if piece and piece.side == side:
                if piece.kind == MAN:
                    piece.kind = KING
                else:
                    piece.kind = MAN
            else:
                piece = Piece(MAN, side)
        else:
            piece = None
        self.board.fields[(row, col)].piece = piece

    @handling_error
    def _default_new_game(self):
        self.splashscreen.finish(self)
        if len(sys.argv) == 2:
            path = sys.argv[1]
            if path.endswith(".pdn"):
                mask = PDN_MASK
            elif path.endswith(".fen"):
                mask = FEN_MASK
            else:
                mask = None
        else:
            path, mask = None, None
        self._on_new_game(show_exit=True, open_file=(path, mask))

    @handling_error
    def _on_exit(self, *args):
        self.close()

    def _screen_size(self):
        rect = QApplication.desktop().availableGeometry(self)
        return min(rect.width(), rect.height())

    def _splashscreen_size(self):
        screen_size = self._screen_size()
        return screen_size / 2

    def _show_splashcreen(self, message=None):
        splash_size = self._splashscreen_size()
        splash_pix = self._icon("splashscreen.svg").pixmap(
            QSize(splash_size, splash_size))
        self.splashscreen = QSplashScreen(splash_pix, Qt.WindowStaysOnTopHint)
        self.splashscreen.show()
        QApplication.processEvents()
        if message is not None:
            self.splashscreen.showMessage(message)
            QApplication.processEvents()

    def _new_game(self, dialog):
        # Show splashcreen after user pressed Ok in the "new game" dialog
        self._show_splashcreen(_("Starting new game..."))

        if self.game.is_active():
            self.game.capitulate()
        self.board.text_message = None
        self.game_active = True
        self.game.game_id = None

        self.request_draw_action.setEnabled(True)
        self.capitulate_action.setEnabled(True)

        self.game_settings = game = dialog.get_settings()
        if game.action == START_AI_GAME:
            if game.board_setup:
                self.board.empty()
                self.board_setup_mode = True
                self.game.rules = game.rules
            else:
                self.game.start_new_game(
                    game.user_name,
                    rules=game.rules,
                    user_turn_first=game.user_turn_first,
                    ai=game.ai,
                    fen_path=game.fen_path,
                    pdn_path=game.pdn_path,
                    previous_board_game=game.previous_board_game)
                state = self.game.get_state()
                my_side = 'First' if self.game.user_side == FIRST else 'Second'
                self.my_turn = state["side"] == my_side
                self.rules_info.setText(
                    _("Rules: {}").format(rules_dict[game.rules]))
                self.opponent_info.setText(_("AI: {}").format(game.ai.title))
                self.status_info.setText("")
        elif game.action == START_HUMAN_GAME:
            game_id = self.game.new_game(game.rules)
            logging.info(_("New game ID: {}").format(game_id))
            if game.user_turn_first:
                self.game.register_user(game.user_name, FIRST)
            else:
                self.game.register_user(game.user_name, SECOND)
            self.setup_fields_on_poll = True
            self.rules_info.setText(_("Rules: {}").format(game.rules))
            self.opponent_info.setText("")
            self.status_info.setText("")
            self.game_active = False
            message = _("Waiting for another side to join the game.")
            self.statusBar().showMessage(message)
            self.board.text_message = message
        elif game.action == JOIN_HUMAN_GAME:
            self.game.game_id = dialog.lobby.get_game_id()
            self.game.user_side = side = dialog.lobby.get_free_side()
            self.game.rules = dialog.lobby.get_rules()
            #used_name = dialog.lobby.get_used_name()
            self.game.register_user(game.user_name, side)
            self.game.run_game()
            self.setup_fields_on_poll = True
            self.my_turn = side == FIRST
            self.rules_info.setText(_("Rules: {}").format(game.rules))
            self.opponent_info.setText("")
            self.status_info.setText("")

        size, invert, notation = self.game.get_notation(game.rules)
        self.board.invert_colors = invert
        self.board.topology = self.game.get_topology(game.rules)
        self.board.set_notation(size, notation)

        self.board.theme = self.board.theme
        #self.board.repaint()
        self.history.fill()

    @handling_error
    def _on_new_game(self,
                     checked=None,
                     show_exit=False,
                     open_file=(None, None)):
        dialog = NewGameDialog(self.settings,
                               self.game,
                               self.share_dir,
                               show_exit,
                               open_file=open_file,
                               parent=self)
        result = dialog.exec_()

        if result == QDialog.Accepted:
            self._new_game(dialog)

        if self.splashscreen:
            self.splashscreen.finish(self)

        if result == EXIT:
            print("Exit!")
            #QApplication.quit()
            QTimer.singleShot(0, lambda: self.close())

    @handling_error
    def _on_open_game(self, checked=None):
        path, mask = select_game_file(self)
        if path:
            dialog = NewGameDialog(self.settings,
                                   self.game,
                                   self.share_dir,
                                   show_exit=False,
                                   open_file=(path, mask),
                                   parent=self)
            result = dialog.exec_()

            if result == QDialog.Accepted:
                self._new_game(dialog)

            if self.splashscreen:
                self.splashscreen.finish(self)

    @handling_error
    def _on_save_game(self, checked=None):
        (path, mask) = QFileDialog.getSaveFileName(self.board, _("Save file"),
                                                   ".",
                                                   FEN_MASK + ";;" + PDN_MASK)
        if path:
            if mask == FEN_MASK:
                fen = self.game.get_fen()
                with open(path, 'w') as f:
                    f.write(fen)
            elif mask == PDN_MASK:
                pdn = self.game.get_pdn()
                with open(path, 'w') as f:
                    f.write(pdn)

    @handling_error
    def _on_undo(self, checked=None):
        try:
            prev_board = self.game.undo()
            self.board.fields_setup(prev_board)
            self.board.repaint()
            self.history.fill()
        except RequestError as e:
            error = e.rs.json().get("error", None)
            if error == "NothingToUndo":
                logging.warning(_("Nothing to undo."))
            else:
                raise e

    @handling_error
    def _on_draw_rq(self, checked=None):
        messages = self.game.request_draw()
        for message in messages:
            self.board.process_message(message)
        self.request_draw_action.setEnabled(False)
        self.capitulate_action.setEnabled(False)

    @handling_error
    def _on_accept_draw(self, checked=None):
        messages = self.game.accept_draw(True)
        for message in messages:
            self.board.process_message(message)

    @handling_error
    def _on_decline_draw(self, checked=None):
        messages = self.game.accept_draw(False)
        for message in messages:
            self.board.process_message(message)

    @handling_error
    def _on_capitulate(self, checked=None):
        messages = self.game.capitulate()
        for message in messages:
            self.board.process_message(message)
        #self.my_turn = False

    @handling_error
    def get_result_str(self, result):
        first, second = self.game.get_colors(self.game.rules)
        if result == 'FirstWin':
            return _("{} win").format(first)
        elif result == 'SecondWin':
            return _("{} win").format(second)
        else:
            return _("Draw")

    def _on_board_message(self, message):
        if isinstance(message, GameResultMessage):
            self.game_active = False
            result = self.get_result_str(message.result)
            result_text = _("Game result: {}").format(result)
            self.status_info.setText(result_text)
            self.board.setCursor(Qt.ArrowCursor)
            game_over = _("Game over.")
            self.statusBar().showMessage(game_over)
            self.board.text_message = game_over + " " + result_text
            self.history.fill()
            self.request_draw_action.setEnabled(False)
            self.capitulate_action.setEnabled(False)
        elif isinstance(message, OtherSideMove):
            self.message.setText(str(message))
            self.history.fill()
            self.my_turn = True
            self.board.text_message = None
            self.board.repaint()
        elif isinstance(message, WaitingMove):
            text = str(message)
            self.statusBar().showMessage(text)
            self.board.text_message = text
        elif isinstance(message, DrawRequestedMessage):
            ok = QMessageBox.question(
                self, _("Accept the draw?"),
                _("Another side have offered you a draw. Do you wish to accept it?"
                  ))
            if ok == QMessageBox.Yes:
                self._on_accept_draw()
            else:
                self._on_decline_draw()
        elif isinstance(message, DrawResponseMessage):
            text = str(message)
            self.message.setText(text)
            self.board.text_message = text
            self.board.repaint()
            if not message.result:
                self.request_draw_action.setEnabled(True)
                self.capitulate_action.setEnabled(True)

    def _on_server_log(self, level, message):
        if level == "DEBUG":
            logging.debug(message)
        elif level == "INFO":
            logging.info(message)
        elif level == "WARNING":
            logging.warning(message)
        elif level == "ERROR":
            logging.error(message)
#        item = QListWidgetItem(self.log)
#        item.setText(message)
#        icon = None
#        if level == "DEBUG":
#            icon = QIcon.fromTheme("document-properties")
#        elif level == "INFO":
#            icon = QIcon.fromTheme("dialog-information")
#        elif level == "ERROR":
#            icon = QIcon.fromTheme("dialog-error")
#        elif level == "WARNING":
#            icon = QIcon.fromTheme("dialog-warning")
#        if icon is not None:
#            item.setIcon(icon)
#        self.log.update()
#        self.log.scrollToBottom()

    def _log_context_menu(self):
        menu = QMenu(self)
        menu.addAction(self.clear_log_action)
        menu.addAction(self.copy_log_action)
        menu.addAction(self.save_log_action)
        return menu

    def _on_log_context_menu(self, pos):
        menu = self._log_context_menu()
        menu.exec_(self.log.mapToGlobal(pos))

    def _on_clear_log(self, checked):
        self.log.clear()
        logging.info(_("Log has been cleared."))

    def _on_save_log(self, checked):
        text = ""
        for row in range(self.log.count()):
            text = text + self.log.item(row).text() + "\n"
        (path, mask) = QFileDialog.getSaveFileName(self, _("Save file"), ".",
                                                   LOG_MASK)
        if path:
            with open(path, 'w') as f:
                f.write(text)  #.encode("utf-8"))

    def _on_copy_log(self, checked):
        items = self.log.selectedItems()
        if not items:
            return
        text = items[0].text()
        QApplication.clipboard().setText(text)

    def _set_flip_board(self, value):
        self.board.flip = value
        self.settings.setValue("flip_board", self.board.flip)

    def _on_flip_board(self):
        self._set_flip_board(self.flip_action.isChecked())

    def _on_settings(self):
        dialog = SettingsDialog(self.settings, self.share_dir, self)
        result = dialog.exec_()
        if result == QDialog.Accepted:
            self.board.show_possible_moves = dialog.get_show_possible_moves()
            self.board.show_notation = dialog.get_show_notation()
            self.board.theme = dialog.get_theme()
            self.board.theme.enable_sound = dialog.get_enable_sound()
            level = self.settings.value("log_level", logging.INFO, type=int)
            logging.getLogger().setLevel(level)
            self.settings.sync()
            logging.info(_("Settings have been updated."))

    def _handle_game_error(self, rs):
        try:
            json = rs.json()
        except:
            json = None

        message_format = _(
            "Unexpected response received from the server.\nRequest URL: {}\nResponse code: {}\nResponse message: {}"
        )
        if json is None:
            message = message_format.format(rs.url, rs.status_code, rs.text)
        else:
            err_msg = json.get("error", "Unspecified")
            if err_msg == "no such move":
                move = json.get("move", "?")
                #board = Game.parse_board(json["board"])
                #board = self.board
                #possible = json.get("possible", [])
                #possible = [board.show_move(Move.fromJson(m)) for m in possible]
                message = _("No such move: {}").format(move)
            elif err_msg == "invalid game status":
                expected = json.get("expected", "?")
                actual = json.get("actual", "?")
                message = _(
                    "Status of current game is unsuitable for this operation. Game status is {}; required status is {}"
                ).format(expected, actual)
            else:
                message = message_format.format(rs.url, rs.status_code,
                                                err_msg)

        QMessageBox.critical(self, _("Exception"), message)
        logging.exception(message)

    def _handle_connection_error(self, url, e):
        message = _(
            "An exception occured while connecting to the server.\nRequest URL: {}\nException text: {}"
        ).format(url, e)
        QMessageBox.critical(self, _("Exception"), message)
        logging.exception(message)
        self._connection_failed = True

    def closeEvent(self, ev):

        if self.game.is_active():
            try:
                self.game.capitulate()
            except Exception as e:
                logging.exception(e)
                print(e)

        use_local_server = self.settings.value("use_local_server", type=bool)
        if use_local_server and self.local_server_used:
            try:
                self.game.shutdown()
            except RequestError as e:
                self._handle_game_error(e.rs)
            except Exception as e:
                logging.exception(e)
                print(e)

        self.settings.setValue("UI/geometry", self.saveGeometry())
        self.settings.setValue("UI/windowState", self.saveState())
        QMainWindow.closeEvent(self, ev)

    @handling_error
    def timerEvent(self, e):
        if e.timerId() != self.poll_timer:
            return

        if self._connection_failed:
            self._poll_try_number = self._poll_try_number + 1
            if self._poll_try_number < 10:
                return

        if self.setup_fields_on_poll and not self.game_active:
            state = self.game.get_state()
            if state["status"] == 'Running':
                self.game_active = True
                my_side = 'First' if self.game.user_side == FIRST else 'Second'
                self.my_turn = state['side'] == my_side
                #self.statusBar().clearMessage()

        if not self.game.is_active():
            return

        self._poll_try_number = 0

        board, messages = self.game.poll()
        for message in messages:
            self.board.process_message(message)
            if "move" in message:
                self.my_turn = True
        if self.setup_fields_on_poll:
            self.board.fields_setup(board)