Fix #5469

kittens/tui/handler.py

@@ -45,6 +45,7 @@ class Handler:
     mouse_tracking = MouseTracking.none
     terminal_io_ended = False
     overlay_ready_report_needed = False
+    perform_default_key_actions = True  # ctrl-c/ctrl-d will call on_interrupt and on_eot
 
     def _initialize(
         self,

kittens/tui/loop.py

@@ -330,6 +330,7 @@ class Loop:
             except Exception:
                 pass
             else:
+                if self.handler.perform_default_key_actions:
                     if k.matches('ctrl+c'):
                         self.handler.on_interrupt()
                         return