This fixes a bug where if you ran /diff while at turn was running, transcript lines would be added to the end of the diff view. Also, refactor to make this kind of issue less likely in future.
337 lines
13 KiB
Rust
337 lines
13 KiB
Rust
use crate::app_backtrack::BacktrackState;
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use crate::app_event::AppEvent;
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use crate::app_event_sender::AppEventSender;
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use crate::chatwidget::ChatWidget;
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use crate::file_search::FileSearchManager;
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use crate::pager_overlay::Overlay;
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use crate::tui;
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use crate::tui::TuiEvent;
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use codex_ansi_escape::ansi_escape_line;
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use codex_core::ConversationManager;
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use codex_core::config::Config;
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use codex_core::protocol::TokenUsage;
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use codex_login::AuthManager;
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use color_eyre::eyre::Result;
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use crossterm::event::KeyCode;
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use crossterm::event::KeyEvent;
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use crossterm::event::KeyEventKind;
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use crossterm::terminal::supports_keyboard_enhancement;
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use ratatui::style::Stylize;
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use ratatui::text::Line;
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use std::path::PathBuf;
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use std::sync::Arc;
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use std::sync::atomic::AtomicBool;
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use std::sync::atomic::Ordering;
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use std::thread;
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use std::time::Duration;
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use tokio::select;
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use tokio::sync::mpsc::unbounded_channel;
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// use uuid::Uuid;
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pub(crate) struct App {
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pub(crate) server: Arc<ConversationManager>,
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pub(crate) app_event_tx: AppEventSender,
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pub(crate) chat_widget: ChatWidget,
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/// Config is stored here so we can recreate ChatWidgets as needed.
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pub(crate) config: Config,
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pub(crate) file_search: FileSearchManager,
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pub(crate) transcript_lines: Vec<Line<'static>>,
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// Pager overlay state (Transcript or Static like Diff)
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pub(crate) overlay: Option<Overlay>,
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pub(crate) deferred_history_lines: Vec<Line<'static>>,
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pub(crate) enhanced_keys_supported: bool,
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/// Controls the animation thread that sends CommitTick events.
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pub(crate) commit_anim_running: Arc<AtomicBool>,
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// Esc-backtracking state grouped
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pub(crate) backtrack: crate::app_backtrack::BacktrackState,
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}
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impl App {
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pub async fn run(
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tui: &mut tui::Tui,
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auth_manager: Arc<AuthManager>,
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config: Config,
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initial_prompt: Option<String>,
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initial_images: Vec<PathBuf>,
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) -> Result<TokenUsage> {
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use tokio_stream::StreamExt;
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let (app_event_tx, mut app_event_rx) = unbounded_channel();
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let app_event_tx = AppEventSender::new(app_event_tx);
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let conversation_manager = Arc::new(ConversationManager::new(auth_manager.clone()));
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let enhanced_keys_supported = supports_keyboard_enhancement().unwrap_or(false);
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let chat_widget = ChatWidget::new(
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config.clone(),
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conversation_manager.clone(),
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tui.frame_requester(),
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app_event_tx.clone(),
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initial_prompt,
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initial_images,
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enhanced_keys_supported,
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);
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let file_search = FileSearchManager::new(config.cwd.clone(), app_event_tx.clone());
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let mut app = Self {
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server: conversation_manager,
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app_event_tx,
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chat_widget,
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config,
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file_search,
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enhanced_keys_supported,
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transcript_lines: Vec::new(),
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overlay: None,
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deferred_history_lines: Vec::new(),
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commit_anim_running: Arc::new(AtomicBool::new(false)),
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backtrack: BacktrackState::default(),
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};
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let tui_events = tui.event_stream();
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tokio::pin!(tui_events);
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tui.frame_requester().schedule_frame();
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while select! {
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Some(event) = app_event_rx.recv() => {
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app.handle_event(tui, event).await?
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}
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Some(event) = tui_events.next() => {
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app.handle_tui_event(tui, event).await?
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}
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} {}
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tui.terminal.clear()?;
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Ok(app.token_usage())
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}
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pub(crate) async fn handle_tui_event(
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&mut self,
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tui: &mut tui::Tui,
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event: TuiEvent,
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) -> Result<bool> {
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if self.overlay.is_some() {
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let _ = self.handle_backtrack_overlay_event(tui, event).await?;
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} else {
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match event {
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TuiEvent::Key(key_event) => {
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self.handle_key_event(tui, key_event).await;
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}
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TuiEvent::Paste(pasted) => {
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// Many terminals convert newlines to \r when pasting (e.g., iTerm2),
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// but tui-textarea expects \n. Normalize CR to LF.
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// [tui-textarea]: https://github.com/rhysd/tui-textarea/blob/4d18622eeac13b309e0ff6a55a46ac6706da68cf/src/textarea.rs#L782-L783
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// [iTerm2]: https://github.com/gnachman/iTerm2/blob/5d0c0d9f68523cbd0494dad5422998964a2ecd8d/sources/iTermPasteHelper.m#L206-L216
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let pasted = pasted.replace("\r", "\n");
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self.chat_widget.handle_paste(pasted);
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}
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TuiEvent::Draw => {
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tui.draw(
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self.chat_widget.desired_height(tui.terminal.size()?.width),
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|frame| {
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frame.render_widget_ref(&self.chat_widget, frame.area());
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if let Some((x, y)) = self.chat_widget.cursor_pos(frame.area()) {
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frame.set_cursor_position((x, y));
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}
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},
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)?;
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}
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TuiEvent::AttachImage {
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path,
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width,
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height,
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format_label,
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} => {
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self.chat_widget
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.attach_image(path, width, height, format_label);
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}
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}
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}
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Ok(true)
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}
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async fn handle_event(&mut self, tui: &mut tui::Tui, event: AppEvent) -> Result<bool> {
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match event {
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AppEvent::NewSession => {
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self.chat_widget = ChatWidget::new(
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self.config.clone(),
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self.server.clone(),
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tui.frame_requester(),
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self.app_event_tx.clone(),
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None,
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Vec::new(),
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self.enhanced_keys_supported,
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);
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tui.frame_requester().schedule_frame();
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}
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AppEvent::InsertHistoryLines(lines) => {
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if let Some(Overlay::Transcript(t)) = &mut self.overlay {
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t.insert_lines(lines.clone());
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tui.frame_requester().schedule_frame();
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}
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self.transcript_lines.extend(lines.clone());
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if self.overlay.is_some() {
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self.deferred_history_lines.extend(lines);
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} else {
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tui.insert_history_lines(lines);
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}
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}
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AppEvent::InsertHistoryCell(cell) => {
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let cell_transcript = cell.transcript_lines();
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if let Some(Overlay::Transcript(t)) = &mut self.overlay {
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t.insert_lines(cell_transcript.clone());
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tui.frame_requester().schedule_frame();
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}
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self.transcript_lines.extend(cell_transcript.clone());
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let display = cell.display_lines();
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if !display.is_empty() {
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if self.overlay.is_some() {
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self.deferred_history_lines.extend(display);
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} else {
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tui.insert_history_lines(display);
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}
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}
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}
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AppEvent::StartCommitAnimation => {
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if self
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.commit_anim_running
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.compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
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.is_ok()
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{
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let tx = self.app_event_tx.clone();
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let running = self.commit_anim_running.clone();
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thread::spawn(move || {
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while running.load(Ordering::Relaxed) {
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thread::sleep(Duration::from_millis(50));
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tx.send(AppEvent::CommitTick);
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}
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});
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}
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}
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AppEvent::StopCommitAnimation => {
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self.commit_anim_running.store(false, Ordering::Release);
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}
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AppEvent::CommitTick => {
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self.chat_widget.on_commit_tick();
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}
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AppEvent::CodexEvent(event) => {
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self.chat_widget.handle_codex_event(event);
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}
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AppEvent::ConversationHistory(ev) => {
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self.on_conversation_history_for_backtrack(tui, ev).await?;
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}
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AppEvent::ExitRequest => {
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return Ok(false);
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}
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AppEvent::CodexOp(op) => self.chat_widget.submit_op(op),
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AppEvent::DiffResult(text) => {
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// Clear the in-progress state in the bottom pane
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self.chat_widget.on_diff_complete();
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// Enter alternate screen using TUI helper and build pager lines
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let _ = tui.enter_alt_screen();
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let pager_lines: Vec<ratatui::text::Line<'static>> = if text.trim().is_empty() {
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vec!["No changes detected.".italic().into()]
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} else {
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text.lines().map(ansi_escape_line).collect()
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};
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self.overlay = Some(Overlay::new_static_with_title(
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pager_lines,
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"D I F F".to_string(),
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));
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tui.frame_requester().schedule_frame();
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}
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AppEvent::StartFileSearch(query) => {
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if !query.is_empty() {
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self.file_search.on_user_query(query);
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}
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}
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AppEvent::FileSearchResult { query, matches } => {
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self.chat_widget.apply_file_search_result(query, matches);
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}
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AppEvent::UpdateReasoningEffort(effort) => {
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self.chat_widget.set_reasoning_effort(effort);
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}
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AppEvent::UpdateModel(model) => {
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self.chat_widget.set_model(model);
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}
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AppEvent::UpdateAskForApprovalPolicy(policy) => {
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self.chat_widget.set_approval_policy(policy);
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}
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AppEvent::UpdateSandboxPolicy(policy) => {
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self.chat_widget.set_sandbox_policy(policy);
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}
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}
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Ok(true)
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}
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pub(crate) fn token_usage(&self) -> codex_core::protocol::TokenUsage {
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self.chat_widget.token_usage().clone()
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}
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async fn handle_key_event(&mut self, tui: &mut tui::Tui, key_event: KeyEvent) {
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match key_event {
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KeyEvent {
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code: KeyCode::Char('t'),
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modifiers: crossterm::event::KeyModifiers::CONTROL,
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kind: KeyEventKind::Press,
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..
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} => {
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// Enter alternate screen and set viewport to full size.
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let _ = tui.enter_alt_screen();
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self.overlay = Some(Overlay::new_transcript(self.transcript_lines.clone()));
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tui.frame_requester().schedule_frame();
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}
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// Esc primes/advances backtracking only in normal (not working) mode
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// with an empty composer. In any other state, forward Esc so the
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// active UI (e.g. status indicator, modals, popups) handles it.
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KeyEvent {
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code: KeyCode::Esc,
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kind: KeyEventKind::Press | KeyEventKind::Repeat,
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..
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} => {
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if self.chat_widget.is_normal_backtrack_mode()
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&& self.chat_widget.composer_is_empty()
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{
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self.handle_backtrack_esc_key(tui);
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} else {
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self.chat_widget.handle_key_event(key_event);
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}
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}
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// Enter confirms backtrack when primed + count > 0. Otherwise pass to widget.
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KeyEvent {
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code: KeyCode::Enter,
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kind: KeyEventKind::Press,
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..
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} if self.backtrack.primed
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&& self.backtrack.count > 0
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&& self.chat_widget.composer_is_empty() =>
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{
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// Delegate to helper for clarity; preserves behavior.
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self.confirm_backtrack_from_main();
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}
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KeyEvent {
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kind: KeyEventKind::Press | KeyEventKind::Repeat,
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..
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} => {
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// Any non-Esc key press should cancel a primed backtrack.
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// This avoids stale "Esc-primed" state after the user starts typing
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// (even if they later backspace to empty).
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if key_event.code != KeyCode::Esc && self.backtrack.primed {
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self.reset_backtrack_state();
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}
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self.chat_widget.handle_key_event(key_event);
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}
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_ => {
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// Ignore Release key events.
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}
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};
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}
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}
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