Class UserMessage

libs/code/deepagents_code/widgets/messages.py:208–316

Widget displaying a user message.

class UserMessage(Static):
    """Widget displaying a user message."""

    DEFAULT_CSS = """
    UserMessage {
        height: auto;
        padding: 0 1;
        margin: 0 0 1 0;
        background: transparent;
        border-left: wide $primary;
        pointer: text;
    }

    UserMessage.-cancelled {
        opacity: 0.6;
    }
    """
    """`-cancelled` dims a prompt whose turn was interrupted by the user."""

    def __init__(self, content: str, **kwargs: Any) -> None:
        """Initialize a user message.

        Args:
            content: The message content
            **kwargs: Additional arguments passed to parent
        """
        super().__init__(**kwargs)
        self._content = content

    def set_cancelled(self) -> None:
        """Dim the message to mark its turn as interrupted by the user."""
        self.add_class("-cancelled")

    def get_selection(self, selection: Selection) -> tuple[str, str] | None:
        """Exclude the prompt prefix glyph from copied text.

        Args:
            selection: The active selection geometry.

        Returns:
            The `(text, ending)` selection with the prefix removed, or `None`.
        """
        return _strip_prompt_prefix(super().get_selection(selection), selection)

    def text_select_all(self) -> None:
        """Select the message body without the prompt prefix glyph."""
        _select_prompt_body(self)

    def on_mount(self) -> None:
        """Add CSS classes for mode-specific border and ASCII border type."""
        mode_match = detect_mode_prefix(self._content)
        if mode_match:
            _prefix, mode = mode_match
            self.add_class(f"-mode-{mode.replace('_', '-')}")
        if is_ascii_mode():
            self.add_class("-ascii")

    def render(self) -> Content: