Better implementation of interrupt on Esc (#2111)

Use existing abstractions

codex-rs/tui/src/app.rs

@@ -235,20 +235,6 @@ impl App<'_> {
                                 self.app_event_tx.send(AppEvent::ExitRequest);
                             }
                         },
-                        KeyEvent {
-                            code: KeyCode::Esc,
-                            kind: KeyEventKind::Press,
-                            ..
-                        } => match &mut self.app_state {
-                            AppState::Chat { widget } => {
-                                if !widget.on_esc() {
-                                    self.dispatch_key_event(key_event);
-                                }
-                            }
-                            AppState::Onboarding { .. } => {
-                                self.dispatch_key_event(key_event);
-                            }
-                        },
                         KeyEvent {
                             code: KeyCode::Char('z'),
                             modifiers: crossterm::event::KeyModifiers::CONTROL,

codex-rs/tui/src/bottom_pane/status_indicator_view.rs

@@ -1,7 +1,10 @@
+use crossterm::event::KeyCode;
+use crossterm::event::KeyEvent;
 use ratatui::buffer::Buffer;
 use ratatui::widgets::WidgetRef;
 
 use crate::app_event_sender::AppEventSender;
+use crate::bottom_pane::BottomPane;
 use crate::status_indicator_widget::StatusIndicatorWidget;
 
 use super::BottomPaneView;
@@ -40,4 +43,10 @@ impl BottomPaneView<'_> for StatusIndicatorView {
     fn render(&self, area: ratatui::layout::Rect, buf: &mut Buffer) {
         self.view.render_ref(area, buf);
     }
+
+    fn handle_key_event(&mut self, _pane: &mut BottomPane<'_>, key_event: KeyEvent) {
+        if key_event.code == KeyCode::Esc {
+            self.view.interrupt();
+        }
+    }
 }

codex-rs/tui/src/chatwidget.rs

@@ -624,14 +624,6 @@ impl ChatWidget<'_> {
         self.bottom_pane.on_file_search_result(query, matches);
     }
 
-    pub(crate) fn on_esc(&mut self) -> bool {
-        if self.bottom_pane.is_task_running() {
-            self.interrupt_running_task();
-            return true;
-        }
-        false
-    }
-
     /// Handle Ctrl-C key press.
     /// Returns CancellationEvent::Handled if the event was consumed by the UI, or
     /// CancellationEvent::Ignored if the caller should handle it (e.g. exit).

codex-rs/tui/src/status_indicator_widget.rs

@@ -9,6 +9,7 @@ use std::thread;
 use std::time::Duration;
 use std::time::Instant;
 
+use codex_core::protocol::Op;
 use ratatui::buffer::Buffer;
 use ratatui::layout::Rect;
 use ratatui::style::Color;
@@ -44,11 +45,7 @@ pub(crate) struct StatusIndicatorWidget {
     frame_idx: Arc<AtomicUsize>,
     running: Arc<AtomicBool>,
     start_time: Instant,
-    // Keep one sender alive to prevent the channel from closing while the
-    // animation thread is still running. The field itself is currently not
-    // accessed anywhere, therefore the leading underscore silences the
-    // `dead_code` warning without affecting behavior.
-    _app_event_tx: AppEventSender,
+    app_event_tx: AppEventSender,
 }
 
 impl StatusIndicatorWidget {
@@ -82,7 +79,7 @@ impl StatusIndicatorWidget {
             running,
             start_time: Instant::now(),
 
-            _app_event_tx: app_event_tx,
+            app_event_tx,
         }
     }
 
@@ -120,6 +117,10 @@ impl StatusIndicatorWidget {
         self.reveal_len_at_base = shown_now.min(new_len);
     }
 
+    pub(crate) fn interrupt(&self) {
+        self.app_event_tx.send(AppEvent::CodexOp(Op::Interrupt));
+    }
+
     /// Reset the animation and start revealing `text` from the beginning.
     #[cfg(test)]
     pub(crate) fn restart_with_text(&mut self, text: String) {