Python prompt_toolkit.layout.containers.HSplit() Examples

def __init__(self, pymux, client_state):
        self.pymux = pymux
        self.client_state = client_state

        # Popup dialog for displaying keys, etc...
        search_textarea = SearchToolbar()
        self._popup_textarea = TextArea(scrollbar=True, read_only=True, search_field=search_textarea)
        self.popup_dialog = Dialog(
            title='Keys',
            body=HSplit([
                Window(FormattedTextControl(text=''), height=1),  # 1 line margin.
                self._popup_textarea,
                search_textarea,
                Window(
                    FormattedTextControl(
                        text=HTML('Press [<b>q</b>] to quit or [<b>/</b>] for searching.')),
                    align=WindowAlign.CENTER,
                    height=1)
                ])
            )

        self.layout = self._create_layout()

        # Keep track of render information.
        self.pane_write_positions = {} 

def _build_layout(self):
        " Rebuild a new Container object and return that. "
        logger.info('Rebuilding layout.')

        if not self.pymux.arrangement.windows:
            # No Pymux windows in the arrangement.
            return Window()

        active_window = self.pymux.arrangement.get_active_window()

        # When zoomed, only show the current pane, otherwise show all of them.
        if active_window.zoom:
            return to_container(_create_container_for_process(
                self.pymux, active_window, active_window.active_pane, zoom=True))
        else:
            window = self.pymux.arrangement.get_active_window()
            return HSplit([
                # Some spacing for the top status bar.
                ConditionalContainer(
                    content=Window(height=1),
                    filter=Condition(lambda: self.pymux.enable_pane_status)),
                # The actual content.
                _create_split(self.pymux, window, window.root)
            ]) 

def input_dialog(
    title: AnyFormattedText = "",
    text: AnyFormattedText = "",
    ok_text: str = "OK",
    cancel_text: str = "Cancel",
    completer: Optional[Completer] = None,
    password: FilterOrBool = False,
    style: Optional[BaseStyle] = None,
) -> Application[str]:
    """
    Display a text input box.
    Return the given text, or None when cancelled.
    """

    def accept(buf: Buffer) -> bool:
        get_app().layout.focus(ok_button)
        return True  # Keep text.

    def ok_handler() -> None:
        get_app().exit(result=textfield.text)

    ok_button = Button(text=ok_text, handler=ok_handler)
    cancel_button = Button(text=cancel_text, handler=_return_none)

    textfield = TextArea(
        multiline=False, password=password, completer=completer, accept_handler=accept
    )

    dialog = Dialog(
        title=title,
        body=HSplit(
            [Label(text=text, dont_extend_height=True), textfield,],
            padding=D(preferred=1, max=1),
        ),
        buttons=[ok_button, cancel_button],
        with_background=True,
    )

    return _create_app(dialog, style) 

def radiolist_dialog(
    title: AnyFormattedText = "",
    text: AnyFormattedText = "",
    ok_text: str = "Ok",
    cancel_text: str = "Cancel",
    values: Optional[List[Tuple[_T, AnyFormattedText]]] = None,
    style: Optional[BaseStyle] = None,
) -> Application[_T]:
    """
    Display a simple list of element the user can choose amongst.

    Only one element can be selected at a time using Arrow keys and Enter.
    The focus can be moved between the list and the Ok/Cancel button with tab.
    """
    if values is None:
        values = []

    def ok_handler() -> None:
        get_app().exit(result=radio_list.current_value)

    radio_list = RadioList(values)

    dialog = Dialog(
        title=title,
        body=HSplit(
            [Label(text=text, dont_extend_height=True), radio_list,], padding=1
        ),
        buttons=[
            Button(text=ok_text, handler=ok_handler),
            Button(text=cancel_text, handler=_return_none),
        ],
        with_background=True,
    )

    return _create_app(dialog, style) 

def checkboxlist_dialog(
    title: AnyFormattedText = "",
    text: AnyFormattedText = "",
    ok_text: str = "Ok",
    cancel_text: str = "Cancel",
    values: Optional[List[Tuple[_T, AnyFormattedText]]] = None,
    style: Optional[BaseStyle] = None,
) -> Application[List[_T]]:
    """
    Display a simple list of element the user can choose multiple values amongst.

    Several elements can be selected at a time using Arrow keys and Enter.
    The focus can be moved between the list and the Ok/Cancel button with tab.
    """
    if values is None:
        values = []

    def ok_handler() -> None:
        get_app().exit(result=cb_list.current_values)

    cb_list = CheckboxList(values)

    dialog = Dialog(
        title=title,
        body=HSplit([Label(text=text, dont_extend_height=True), cb_list,], padding=1),
        buttons=[
            Button(text=ok_text, handler=ok_handler),
            Button(text=cancel_text, handler=_return_none),
        ],
        with_background=True,
    )

    return _create_app(dialog, style) 

def test_layout_class():
    c1 = BufferControl()
    c2 = BufferControl()
    c3 = BufferControl()
    win1 = Window(content=c1)
    win2 = Window(content=c2)
    win3 = Window(content=c3)

    layout = Layout(container=VSplit([HSplit([win1, win2]), win3]))

    # Listing of windows/controls.
    assert list(layout.find_all_windows()) == [win1, win2, win3]
    assert list(layout.find_all_controls()) == [c1, c2, c3]

    # Focusing something.
    layout.focus(c1)
    assert layout.has_focus(c1)
    assert layout.has_focus(win1)
    assert layout.current_control == c1
    assert layout.previous_control == c1

    layout.focus(c2)
    assert layout.has_focus(c2)
    assert layout.has_focus(win2)
    assert layout.current_control == c2
    assert layout.previous_control == c1

    layout.focus(win3)
    assert layout.has_focus(c3)
    assert layout.has_focus(win3)
    assert layout.current_control == c3
    assert layout.previous_control == c2

    # Pop focus. This should focus the previous control again.
    layout.focus_last()
    assert layout.has_focus(c2)
    assert layout.has_focus(win2)
    assert layout.current_control == c2
    assert layout.previous_control == c1 

def __init__(self, *args, **kwargs):
        console = kwargs.get('console')
        if console is None:
            raise Exception("No root console passed to the application")
        #console.__class__ = type("ConsoleTextArea",
        #                         (TextArea, console.__class__), {})
        #console.scrollbar = True
        root_container = HSplit([
            console,
        ])
        kwargs['layout'] = Layout(root_container, focused_element=console)
        super(FrameworkApp, self).__init__(*args, **kwargs) 

def progress_dialog(
    title: AnyFormattedText = "",
    text: AnyFormattedText = "",
    run_callback: Callable[[Callable[[int], None], Callable[[str], None]], None] = (
        lambda *a: None
    ),
    style: Optional[BaseStyle] = None,
) -> Application[None]:
    """
    :param run_callback: A function that receives as input a `set_percentage`
        function and it does the work.
    """
    loop = get_event_loop()
    progressbar = ProgressBar()
    text_area = TextArea(
        focusable=False,
        # Prefer this text area as big as possible, to avoid having a window
        # that keeps resizing when we add text to it.
        height=D(preferred=10 ** 10),
    )

    dialog = Dialog(
        body=HSplit(
            [Box(Label(text=text)), Box(text_area, padding=D.exact(1)), progressbar,]
        ),
        title=title,
        with_background=True,
    )
    app = _create_app(dialog, style)

    def set_percentage(value: int) -> None:
        progressbar.percentage = int(value)
        app.invalidate()

    def log_text(text: str) -> None:
        loop.call_soon_threadsafe(text_area.buffer.insert_text, text)
        app.invalidate()

    # Run the callback in the executor. When done, set a return value for the
    # UI, so that it quits.
    def start() -> None:
        try:
            run_callback(set_percentage, log_text)
        finally:
            app.exit()

    def pre_run() -> None:
        run_in_executor_with_context(start)

    app.pre_run_callables.append(pre_run)

    return app