use signals for octave_link::enter_debugger_event and octave_link::exit_debugger_event * main-window.h, main-window.cc (main_window::handle_insert_debugger_pointer_request, main_window::handle_delete_debugger_pointer_request): Delete. (main_window::construct): Delete signal connections from _octave_qt_event_listener::insert_debugger_pointer_signal to main_window::handle_insert_debugger_pointer_request and from _octave_qt_event_listener::delete_debugger_pointer_signal to main_window::handle_delete_debugger_pointer_request. Connect _octave_qt_link::insert_debugger_pointer_signal signal to _file_editor::handle_insert_debugger_pointer_request. Connect _octave_qt_link::delete_debugger_pointer_signal signal to _file_editor::handle_delete_debugger_pointer_request. * octave-qt-event-listener.h, octave-qt-event-listener.cc octave_qt_event_listener::insert_debugger_pointer, octave_qt_event_listener::delete_debugger_pointer): Delete. (octave_qt_event_listener::insert_debugger_pointer_signal octave_qt_event_listener::delete_debugger_pointer_signal): Delete signals. * octave-qt-link.h, octave-qt-link.cc (octave_qt_link::do_insert_debugger_pointer, octave_qt_link::do_delete_debugger_pointer): Now private. Emit signals instead of using event_listener. * octave-event-listener.h (octave_event_listener::insert_debugger_pointer, octave_event_listener::delete_debugger_pointer): Delete. * octave-link.h (octave_link::do_insert_debugger_pointer, octave_link::do_delete_debugger_pointer): Delete.

--- a/libgui/src/main-window.h
+++ b/libgui/src/main-window.h
@@ -108,8 +108,6 @@
 
   void handle_entered_debug_mode ();
   void handle_quit_debug_mode ();
-  void handle_insert_debugger_pointer_request (const QString& file, int line);
-  void handle_delete_debugger_pointer_request (const QString& file, int line);
   void debug_continue ();
   void debug_step_into ();
   void debug_step_over ();