use signal for changing directory * files-dockwidget.cc (files_dock_widget::files_dock_widget): Set title to "File Browser", not "Current Directory". * files-dockwidget.h, files-dockwidget.cc (files_dock_widget::change_directory_up): Rename from files_dock_widget::do_up_directory. Change all uses. (files_dock_widget::_last_current_directory): Delete variable and all uses. (files_dock_widget::accept_directory_line_edit): Rename from handle_directory_entered. Change all uses. (files_dock_widget::item_double_clicked): Call set_current_directory instead of display_directory. (files_dock_widget::set_current_directory): Also emit displayed_directory_changed signal. (files_dock_widget::display_directory): Sort list. Don't emit displayed_directory_changed. private: * file-editor-tab.cc (file_editor_tab::run_file): Delete unused local variable current_path. * main-window.h, main-window.cc (main_window::current_working_directory_has_changed): Delete function and all uses. (main_window::browse_for_directory): Rename from main_window::change_current_working_directory. Change all uses. (main_window::change_directory): Rename from main_window::set_current_working_directory. Change all uses. Update display. (main_window::change_directory_up): Rename from main_window::current_working_directory_up. Change all uses. Use absolute path for ".." directory. (main_window::accept_directory_line_edit): Rename from main_window::current_working_directory_entered. Change all uses. (main_window::construct): Set initial working directory to current directory at startup. * octave-qt-link.h, octave-qt-link.cc (octave_qt_link::do_change_directory): New function. (octave_qt_link::change_directory_signal): New signal. * octave-event-listener.h (octave_event_listener::current_directory_has_changed): Delete. * dirfns.cc (octave_change_to_directory): Also call octave_link::change_directory. * octave-link.h, octave-link.cc (octave_link::last_cwd): Delete variable and all uses. (octave_link::do_generate_events): Don't track current directory or post directory changed event. (octave_link::last_working_directory, octave_link::do_last_working_directory): Delete. (octave_link::do_change_directory): Rename from octave_link::do_last_working_directory.

--- a/libgui/src/octave-qt-link.cc	Thu Apr 04 17:18:16 2013 -0400
+++ b/libgui/src/octave-qt-link.cc	Fri Apr 05 00:40:12 2013 -0400
@@ -44,6 +44,12 @@
 }
 
 void
+octave_qt_link::do_change_directory (const std::string& dir)
+{
+  emit change_directory_signal (QString::fromStdString (dir));
+}
+
+void
 octave_qt_link::do_update_workspace (void)
 {
   if (event_listener)