示例#1
0
def text_window_bar(name=None, key_binding_manager=None):
    def get_tokens(cli):
        text_style = style.Bar.Text
        display_text, read_only = buffers.buffer_display(cli.application, name)
        if not read_only and cli.current_buffer_name == name:
            vi_mode = key_binding_manager.get_vi_state(cli).input_mode
            if vi_mode == vi_state.InputMode.INSERT:
                text_style = style.Bar.Hl_Text
            tokens = [(text_style, display_text), (text_style, u' \u2022 ')]
            if vi_mode == vi_state.InputMode.INSERT:
                tokens.append((text_style, 'INSERT'))
            elif vi_mode == vi_state.InputMode.NAVIGATION:
                tokens.append((text_style, 'NORMAL'))
            else:
                tokens.append((text_style, '[     ]'))
            return tokens
        else:
            return [(text_style, display_text)]

    return toolbars.TokenListToolbar(get_tokens,
                                     default_char=screen.Char(
                                         ' ', style.Bar.Text))
def CreatePromptLayout(config,
                       lexer=None,
                       is_password=False,
                       get_prompt_tokens=None,
                       get_continuation_tokens=None,
                       get_bottom_status_tokens=None,
                       get_bottom_toolbar_tokens=None,
                       extra_input_processors=None,
                       multiline=False,
                       show_help=True,
                       wrap_lines=True):
    """Create a container instance for the prompt."""
    assert get_bottom_status_tokens is None or callable(
        get_bottom_status_tokens)
    assert get_bottom_toolbar_tokens is None or callable(
        get_bottom_toolbar_tokens)
    assert get_prompt_tokens is None or callable(get_prompt_tokens)
    assert not (config.prompt and get_prompt_tokens)

    multi_column_completion_menu = filters.to_cli_filter(
        config.multi_column_completion_menu)
    multiline = filters.to_cli_filter(multiline)

    if get_prompt_tokens is None:
        get_prompt_tokens = lambda _: [(token.Token.Prompt, config.prompt)]

    has_before_tokens, get_prompt_tokens_1, get_prompt_tokens_2 = (
        shortcuts._split_multiline_prompt(get_prompt_tokens))  # pylint: disable=protected-access
    # TODO(b/35347840): reimplement _split_multiline_prompt to remove
    #                   protected-access.

    # Create processors list.
    input_processors = [
        processors.ConditionalProcessor(
            # By default, only highlight search when the search
            # input has the focus. (Note that this doesn't mean
            # there is no search: the Vi 'n' binding for instance
            # still allows to jump to the next match in
            # navigation mode.)
            processors.HighlightSearchProcessor(preview_search=True),
            filters.HasFocus(enums.SEARCH_BUFFER)),
        processors.HighlightSelectionProcessor(),
        processors.ConditionalProcessor(
            processors.AppendAutoSuggestion(),
            filters.HasFocus(enums.DEFAULT_BUFFER)
            & ~filters.IsDone()),
        processors.ConditionalProcessor(processors.PasswordProcessor(),
                                        is_password),
    ]

    if extra_input_processors:
        input_processors.extend(extra_input_processors)

    # Show the prompt before the input using the DefaultPrompt processor.
    # This also replaces it with reverse-i-search and 'arg' when required.
    # (Only for single line mode.)
    # (DefaultPrompt should always be at the end of the processors.)
    input_processors.append(
        processors.ConditionalProcessor(
            prompt.DefaultPrompt(get_prompt_tokens_2), ~multiline))

    # Create toolbars
    toolbars = []
    if config.fixed_prompt_position:
        help_height = dimension.LayoutDimension.exact(config.help_lines)
        help_filter = (show_help & ~filters.IsDone()
                       & filters.RendererHeightIsKnown())
    else:
        help_height = dimension.LayoutDimension(preferred=config.help_lines,
                                                max=config.help_lines)
        help_filter = (show_help & UserTypingFilter & ~filters.IsDone()
                       & filters.RendererHeightIsKnown())
    toolbars.append(
        containers.ConditionalContainer(layout.HSplit([
            layout.Window(
                controls.FillControl(char=screen.Char('_', token.Token.HSep)),
                height=dimension.LayoutDimension.exact(1)),
            layout.Window(help_window.HelpWindowControl(
                default_char=screen.Char(' ', token.Token.Toolbar)),
                          height=help_height),
        ]),
                                        filter=help_filter))
    if (config.bottom_status_line and get_bottom_status_tokens
            or config.bottom_bindings_line and get_bottom_toolbar_tokens):
        windows = []
        windows.append(
            layout.Window(
                controls.FillControl(char=screen.Char('_', token.Token.HSep)),
                height=dimension.LayoutDimension.exact(1)))
        if config.bottom_status_line and get_bottom_status_tokens:
            windows.append(
                layout.Window(controls.TokenListControl(
                    get_bottom_status_tokens,
                    default_char=screen.Char(' ', token.Token.Toolbar)),
                              height=dimension.LayoutDimension.exact(1)))
        if config.bottom_bindings_line and get_bottom_toolbar_tokens:
            windows.append(
                layout.Window(controls.TokenListControl(
                    get_bottom_toolbar_tokens,
                    default_char=screen.Char(' ', token.Token.Toolbar)),
                              height=dimension.LayoutDimension.exact(1)))
        toolbars.append(
            containers.ConditionalContainer(layout.HSplit(windows),
                                            filter=~filters.IsDone()
                                            & filters.RendererHeightIsKnown()))

    def GetHeight(cli):
        """Determine the height for the input buffer."""
        # If there is an autocompletion menu to be shown, make sure that our
        # layout has at least a minimal height in order to display it.
        if cli.config.completion_menu_lines and not cli.is_done:
            # Reserve the space, either when there are completions, or when
            # `complete_while_typing` is true and we expect completions very
            # soon.
            buf = cli.current_buffer
            # if UserTypingFilter(cli) or not buf.text or buf.complete_state:
            if UserTypingFilter(cli) or buf.complete_state:
                return dimension.LayoutDimension(
                    min=cli.config.completion_menu_lines + 1)
        return dimension.LayoutDimension()

    # Create and return Container instance.
    return layout.HSplit([
        # The main input, with completion menus floating on top of it.
        containers.FloatContainer(
            layout.HSplit([
                containers.ConditionalContainer(
                    layout.Window(
                        controls.TokenListControl(get_prompt_tokens_1),
                        dont_extend_height=True,
                        wrap_lines=wrap_lines,
                    ),
                    filters.Condition(has_before_tokens),
                ),
                layout.Window(
                    controls.BufferControl(
                        input_processors=input_processors,
                        lexer=lexer,
                        # Enable preview_search, we want to have immediate
                        # feedback in reverse-i-search mode.
                        preview_search=True,
                    ),
                    get_height=GetHeight,
                    left_margins=[
                        # In multiline mode, use the window margin to display
                        # the prompt and continuation tokens.
                        margins.ConditionalMargin(
                            margins.PromptMargin(get_prompt_tokens_2,
                                                 get_continuation_tokens),
                            filter=multiline,
                        ),
                    ],
                    wrap_lines=wrap_lines,
                ),
            ]),
            [
                # Completion menus.
                layout.Float(
                    xcursor=True,
                    ycursor=True,
                    content=menus.CompletionsMenu(
                        max_height=16,
                        scroll_offset=1,
                        extra_filter=(filters.HasFocus(enums.DEFAULT_BUFFER)
                                      & ~multi_column_completion_menu),
                    ),
                ),
                layout.Float(
                    ycursor=True,
                    content=menus.MultiColumnCompletionsMenu(
                        show_meta=True,
                        extra_filter=(filters.HasFocus(enums.DEFAULT_BUFFER)
                                      & multi_column_completion_menu),
                    ),
                ),
            ],
        ),
        pt_toolbars.ValidationToolbar(),
        pt_toolbars.SystemToolbar(),

        # In multiline mode, we use two toolbars for 'arg' and 'search'.
        containers.ConditionalContainer(pt_toolbars.ArgToolbar(), multiline),
        containers.ConditionalContainer(pt_toolbars.SearchToolbar(),
                                        multiline),
    ] + toolbars)