feat: make shortcut works even with capslock (#5049)

Shortcut where not working in caps-lock. Fixing this

codex-rs/core/tests/suite/shell_serialization.rs

@@ -213,7 +213,7 @@ async fn shell_output_reserializes_truncated_content() -> Result<()> {
     let call_id = "shell-truncated";
     let args = json!({
         "command": ["/bin/sh", "-c", "seq 1 400"],
-        "timeout_ms": 1_000,
+        "timeout_ms": 5_000,
     });
     let responses = vec![
         sse(vec![

codex-rs/tui/src/chatwidget.rs

@@ -1034,20 +1034,20 @@ impl ChatWidget {
     pub(crate) fn handle_key_event(&mut self, key_event: KeyEvent) {
         match key_event {
             KeyEvent {
-                code: KeyCode::Char('c'),
+                code: KeyCode::Char(c),
-                modifiers: crossterm::event::KeyModifiers::CONTROL,
+                modifiers,
                 kind: KeyEventKind::Press,
                 ..
-            } => {
+            } if modifiers.contains(KeyModifiers::CONTROL) && c.eq_ignore_ascii_case(&'c') => {
                 self.on_ctrl_c();
                 return;
             }
             KeyEvent {
-                code: KeyCode::Char('v'),
+                code: KeyCode::Char(c),
-                modifiers: KeyModifiers::CONTROL,
+                modifiers,
                 kind: KeyEventKind::Press,
                 ..
-            } => {
+            } if modifiers.contains(KeyModifiers::CONTROL) && c.eq_ignore_ascii_case(&'v') => {
                 if let Ok((path, info)) = paste_image_to_temp_png() {
                     self.attach_image(path, info.width, info.height, info.encoded_format.label());
                 }

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

@@ -676,6 +676,18 @@ fn streaming_final_answer_keeps_task_running_state() {
     assert!(chat.bottom_pane.ctrl_c_quit_hint_visible());
 }
 
+#[test]
+fn ctrl_c_shutdown_ignores_caps_lock() {
+    let (mut chat, _rx, mut op_rx) = make_chatwidget_manual();
+
+    chat.handle_key_event(KeyEvent::new(KeyCode::Char('C'), KeyModifiers::CONTROL));
+
+    match op_rx.try_recv() {
+        Ok(Op::Shutdown) => {}
+        other => panic!("expected Op::Shutdown, got {other:?}"),
+    }
+}
+
 #[test]
 fn exec_history_cell_shows_working_then_completed() {
     let (mut chat, mut rx, _op_rx) = make_chatwidget_manual();