Preserve whitespace in startup pastes

codex-rs/tui/src/tui/startup.rs

@@ -73,8 +73,19 @@ impl StartupInputBuffer {
     }
 
     pub(super) fn push_text(&mut self, text: &str) {
-        for ch in text.chars().filter(|ch| !ch.is_control()) {
-            self.push_char(ch);
+        let mut chars = text.chars().peekable();
+        while let Some(ch) = chars.next() {
+            match ch {
+                '\r' => {
+                    if chars.peek() == Some(&'\n') {
+                        chars.next();
+                    }
+                    self.push_char('\n');
+                }
+                '\n' | '\t' => self.push_char(ch),
+                ch if !ch.is_control() => self.push_char(ch),
+                _ => {}
+            }
         }
     }
 

codex-rs/tui/src/tui/startup_tests.rs

@@ -16,8 +16,9 @@ fn startup_input_keeps_text_without_replaying_actions() {
         Event::Key(KeyEvent::new(KeyCode::Char('I'), KeyModifiers::SHIFT)),
         Event::Key(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL)),
         Event::Key(KeyEvent::new(KeyCode::Enter, KeyModifiers::NONE)),
+        Event::Key(KeyEvent::new(KeyCode::Tab, KeyModifiers::NONE)),
         Event::Key(KeyEvent::new(KeyCode::Backspace, KeyModifiers::NONE)),
-        Event::Paste("ello\nworld".to_string()),
+        Event::Paste("ello\r\n\tworld".to_string()),
         Event::Key(KeyEvent::new_with_kind(
             KeyCode::Char('!'),
             KeyModifiers::NONE,
@@ -27,7 +28,7 @@ fn startup_input_keeps_text_without_replaying_actions() {
         input.handle_event(event);
     }
 
-    assert_eq!(input.into_text(), Some("helloworld".to_string()));
+    assert_eq!(input.into_text(), Some("hello\n\tworld".to_string()));
 }
 
 #[test]