Struct ChatState 

pub struct ChatState {
    pub messages: Vec<ChatMessage>,
    pub list_state: ListState,
}

Shared chat panel state — messages list + scroll.

This is the core of any agent TUI: a scrollable list of messages with role-based coloring and prefix detection.

Fields

messages: Vec<ChatMessage>

list_state: ListState

Implementations

impl ChatState

pub fn new() -> Self

pub fn push(&mut self, msg: String)

pub fn clear(&mut self)

pub fn scroll_to_bottom(&mut self)

pub fn page_up(&mut self)

Scroll up by one page (10 messages).

pub fn page_down(&mut self)

Scroll down by one page (10 messages).

pub fn toggle_expand(&mut self)

Toggle expanded state of currently selected message.

pub fn replace_or_push(&mut self, prefix: &str, msg: String)

Replace the last message if it starts with prefix, otherwise push new.

pub fn append_stream_chunk(&mut self, prefix: &str, chunk: &str)

Append text to the last message that starts with prefix. If no such message, push a new one with prefix + chunk.

pub fn render(&mut self, area: Rect, buf: &mut Buffer, title: &str)

Render messages as a List widget with role-based styling and timestamps.

Trait Implementations

impl Default for ChatState

fn default() -> Self

Returns the “default value” for a type.