feat: add text cleared with ctrl+c to the history so it can be recovered with up arrow (#5470)

https://github.com/user-attachments/assets/5eed882e-6a54-4f2c-8f21-14fa0d0ef347

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

@@ -242,8 +242,7 @@ impl ChatComposer {
         let Some(text) = self.history.on_entry_response(log_id, offset, entry) else {
             return false;
         };
-        self.textarea.set_text(&text);
-        self.textarea.set_cursor(0);
+        self.set_text_content(text);
         true
     }
 
@@ -316,9 +315,15 @@ impl ChatComposer {
         self.sync_file_search_popup();
     }
 
-    pub(crate) fn clear_for_ctrl_c(&mut self) {
+    pub(crate) fn clear_for_ctrl_c(&mut self) -> Option<String> {
+        if self.is_empty() {
+            return None;
+        }
+        let previous = self.current_text();
         self.set_text_content(String::new());
         self.history.reset_navigation();
+        self.history.record_local_submission(&previous);
+        Some(previous)
     }
 
     /// Get the current composer text.
@@ -896,8 +901,7 @@ impl ChatComposer {
                         _ => unreachable!(),
                     };
                     if let Some(text) = replace_text {
-                        self.textarea.set_text(&text);
-                        self.textarea.set_cursor(0);
+                        self.set_text_content(text);
                         return (InputResult::None, true);
                     }
                 }
@@ -1828,6 +1832,28 @@ mod tests {
         assert!(!composer.esc_backtrack_hint);
     }
 
+    #[test]
+    fn clear_for_ctrl_c_records_cleared_draft() {
+        let (tx, _rx) = unbounded_channel::<AppEvent>();
+        let sender = AppEventSender::new(tx);
+        let mut composer = ChatComposer::new(
+            true,
+            sender,
+            false,
+            "Ask Codex to do anything".to_string(),
+            false,
+        );
+
+        composer.set_text_content("draft text".to_string());
+        assert_eq!(composer.clear_for_ctrl_c(), Some("draft text".to_string()));
+        assert!(composer.is_empty());
+
+        assert_eq!(
+            composer.history.navigate_up(&composer.app_event_tx),
+            Some("draft text".to_string())
+        );
+    }
+
     #[test]
     fn question_mark_only_toggles_on_first_char() {
         use crossterm::event::KeyCode;

codex-rs/tui/src/chatwidget/tests.rs

@@ -692,6 +692,40 @@ fn ctrl_c_shutdown_ignores_caps_lock() {
     }
 }
 
+#[test]
+fn ctrl_c_cleared_prompt_is_recoverable_via_history() {
+    let (mut chat, _rx, mut op_rx) = make_chatwidget_manual();
+
+    chat.bottom_pane.insert_str("draft message ");
+    chat.bottom_pane
+        .attach_image(PathBuf::from("/tmp/preview.png"), 24, 42, "png");
+    let placeholder = "[preview.png 24x42]";
+    assert!(
+        chat.bottom_pane.composer_text().ends_with(placeholder),
+        "expected placeholder {placeholder:?} in composer text"
+    );
+
+    chat.handle_key_event(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL));
+    assert!(chat.bottom_pane.composer_text().is_empty());
+    assert_matches!(op_rx.try_recv(), Err(TryRecvError::Empty));
+    assert!(chat.bottom_pane.ctrl_c_quit_hint_visible());
+
+    chat.handle_key_event(KeyEvent::new(KeyCode::Up, KeyModifiers::NONE));
+    let restored_text = chat.bottom_pane.composer_text();
+    assert!(
+        restored_text.ends_with(placeholder),
+        "expected placeholder {placeholder:?} after history recall"
+    );
+    assert!(restored_text.starts_with("draft message "));
+    assert!(!chat.bottom_pane.ctrl_c_quit_hint_visible());
+
+    let images = chat.bottom_pane.take_recent_submission_images();
+    assert!(
+        images.is_empty(),
+        "attachments are not preserved in history recall"
+    );
+}
+
 #[test]
 fn exec_history_cell_shows_working_then_completed() {
     let (mut chat, mut rx, _op_rx) = make_chatwidget_manual();