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/files-dockwidget.h
+++ b/libgui/src/files-dockwidget.h
@@ -57,15 +57,15 @@
   void item_double_clicked (const QModelIndex & index);
 
   /** Slot for handling the up-directory button in the toolbar. */
-  void do_up_directory ();
+  void change_directory_up ();
 
   /** Sets the current directory being displayed. */
-  void set_current_directory (const QString& currentDirectory);
+  void set_current_directory (const QString& dir);
 
   /** Accepts user input a the line edit for the current directory. */
-  void handle_directory_entered ();
+  void accept_directory_line_edit ();
 
-  void display_directory (const QString& directory);
+  void display_directory (const QString& dir);
 
   /** Tells the widget to react on changed settings. */
   void notice_settings (const QSettings *settings);
@@ -75,15 +75,13 @@
   void open_file (const QString& fileName);
 
   /** Emitted, whenever the currently displayed directory changed. */
-  void displayed_directory_changed (const QString& directory);
+  void displayed_directory_changed (const QString& dir);
 
 protected:
 
 private:
   // TODO: Add toolbar with buttons for navigating the path, creating dirs, etc
 
-  QString           _last_current_directory;
-
   /** Toolbar for file and directory manipulation. */
   QToolBar *        _navigation_tool_bar;