terminal.app

codex-rs/tui/src/app.rs

@@ -480,6 +480,41 @@ impl App {
                         },
                     )?;
                 }
+                TuiEvent::Resized(size) => {
+                    use std::io::Write;
+                    write!(
+                        tui.terminal.backend_mut(),
+                        "\x1b]1337;ClearScrollback=yes\x07\x1b[2J\x1b[H\x1b[3J"
+                    )?;
+                    tui.terminal.clear()?;
+                    self.has_emitted_history_lines = false;
+                    for cell in &self.transcript_cells {
+                        let mut display = cell.display_lines(size.width);
+                        if !display.is_empty() {
+                            // Only insert a separating blank line for new cells that are not
+                            // part of an ongoing stream. Streaming continuations should not
+                            // accrue extra blank lines between chunks.
+                            if !cell.is_stream_continuation() {
+                                if self.has_emitted_history_lines {
+                                    display.insert(0, Line::from(""));
+                                } else {
+                                    self.has_emitted_history_lines = true;
+                                }
+                            }
+                            if self.overlay.is_some() {
+                                self.deferred_history_lines.extend(display);
+                            } else {
+                                tui.insert_history_lines(display);
+                            }
+                        }
+                    }
+                    tui.draw(self.chat_widget.desired_height(size.width), |frame| {
+                        self.chat_widget.render(frame.area(), frame.buffer);
+                        if let Some((x, y)) = self.chat_widget.cursor_pos(frame.area()) {
+                            frame.set_cursor_position((x, y));
+                        }
+                    })?;
+                }
             }
         }
         Ok(true)

codex-rs/tui/src/model_migration.rs

@@ -103,7 +103,7 @@ pub(crate) async fn run_model_migration_prompt(
             match event {
                 TuiEvent::Key(key_event) => screen.handle_key(key_event),
                 TuiEvent::Paste(_) => {}
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resized(_) => {
                     let _ = alt.tui.draw(u16::MAX, |frame| {
                         frame.render_widget_ref(&screen, frame.area());
                     });

codex-rs/tui/src/onboarding/onboarding_screen.rs

@@ -385,7 +385,7 @@ pub(crate) async fn run_onboarding_app(
                 TuiEvent::Paste(text) => {
                     onboarding_screen.handle_paste(text);
                 }
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resized(_) => {
                     if !did_full_clear_after_success
                         && onboarding_screen.steps.iter().any(|step| {
                             if let Step::Auth(w) = step {

codex-rs/tui/src/skill_error_prompt.rs

@@ -59,7 +59,7 @@ pub(crate) async fn run_skill_error_prompt(
             match event {
                 TuiEvent::Key(key_event) => screen.handle_key(key_event),
                 TuiEvent::Paste(_) => {}
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resized(_) => {
                     let _ = alt.tui.draw(u16::MAX, |frame| {
                         frame.render_widget_ref(&screen, frame.area());
                     });

codex-rs/tui/src/tui.rs

@@ -31,6 +31,7 @@ use ratatui::crossterm::terminal::disable_raw_mode;
 use ratatui::crossterm::terminal::enable_raw_mode;
 use ratatui::layout::Offset;
 use ratatui::layout::Rect;
+use ratatui::layout::Size;
 use ratatui::text::Line;
 use tokio::select;
 use tokio::sync::broadcast;
@@ -158,6 +159,7 @@ pub enum TuiEvent {
     Key(KeyEvent),
     Paste(String),
     Draw,
+    Resized(Size),
 }
 
 pub struct Tui {
@@ -248,8 +250,8 @@ impl Tui {
                                 }
                                 yield TuiEvent::Key(key_event);
                             }
-                            Event::Resize(_, _) => {
-                                yield TuiEvent::Draw;
+                            Event::Resize(columns, rows) => {
+                                yield TuiEvent::Resized(Size::new(columns, rows));
                             }
                             Event::Paste(pasted) => {
                                 yield TuiEvent::Paste(pasted);