Esempio n. 1
0
def run_gui(app, opts, args, internal_book_data, listener=None):
    acc = EventAccumulator(app)
    app.file_event_hook = acc
    app.load_builtin_fonts()
    app.setWindowIcon(QIcon(I('viewer.png')))
    migrate_previous_viewer_prefs()
    main = EbookViewer(open_at=opts.open_at,
                       continue_reading=opts.continue_reading,
                       force_reload=opts.force_reload,
                       calibre_book_data=internal_book_data)
    main.set_exception_handler()
    if len(args) > 1:
        acc.events.append(os.path.abspath(args[-1]))
    acc.got_file.connect(main.handle_commandline_arg)
    main.show()
    if listener is not None:
        listener.message_received.connect(main.message_from_other_instance,
                                          type=Qt.QueuedConnection)
    QTimer.singleShot(0, acc.flush)
    if opts.raise_window:
        main.raise_()
    if opts.full_screen:
        main.set_full_screen(True)

    app.exec_()
Esempio n. 2
0
def main(args=sys.argv):
    # Ensure viewer can continue to function if GUI is closed
    os.environ.pop('CALIBRE_WORKER_TEMP_DIR', None)
    reset_base_dir()
    scheme = QWebEngineUrlScheme(FAKE_PROTOCOL.encode('ascii'))
    scheme.setSyntax(QWebEngineUrlScheme.Syntax.Host)
    scheme.setFlags(QWebEngineUrlScheme.SecureScheme)
    QWebEngineUrlScheme.registerScheme(scheme)
    override = 'calibre-ebook-viewer' if islinux else None
    app = Application(args, override_program_name=override, windows_app_uid=VIEWER_APP_UID)

    parser = option_parser()
    opts, args = parser.parse_args(args)
    oat = opts.open_at
    if oat and not (
            oat.startswith('toc:') or oat.startswith('toc-href:') or oat.startswith('toc-href-contains:') or
            oat.startswith('epubcfi(/') or is_float(oat)):
        raise SystemExit('Not a valid --open-at value: {}'.format(opts.open_at))

    listener = None
    if get_session_pref('singleinstance', False):
        try:
            listener = ensure_single_instance(args, opts.open_at)
        except Exception as e:
            import traceback
            error_dialog(None, _('Failed to start viewer'), as_unicode(e), det_msg=traceback.format_exc(), show=True)
            raise SystemExit(1)

    acc = EventAccumulator(app)
    app.file_event_hook = acc
    app.load_builtin_fonts()
    app.setWindowIcon(QIcon(I('viewer.png')))
    migrate_previous_viewer_prefs()
    main = EbookViewer(open_at=opts.open_at, continue_reading=opts.continue_reading, force_reload=opts.force_reload)
    main.set_exception_handler()
    if len(args) > 1:
        acc.events.append(os.path.abspath(args[-1]))
    acc.got_file.connect(main.handle_commandline_arg)
    main.show()
    main.msg_from_anotherinstance.connect(main.another_instance_wants_to_talk, type=Qt.QueuedConnection)
    if listener is not None:
        t = Thread(name='ConnListener', target=listen, args=(listener, main.msg_from_anotherinstance))
        t.daemon = True
        t.start()
    QTimer.singleShot(0, acc.flush)
    if opts.raise_window:
        main.raise_()
    if opts.full_screen:
        main.set_full_screen(True)

    app.exec_()
    if listener is not None:
        listener.close()