Add popdown toolbutton to files-dock-window toolbar. * libgui/src/files-dock-widget.cc (files_dock_widget::files_dock_widget): added popdown button to toolbar and merged set current dir, show current dir into it as well as adding new dir and new file option. (files_dock_widget::display_directory): change to call process_set_current_dir instead of emit. (files_dock_widget::contextmenu_newfile): change to call process_new_file. (files_dock_widget::contextmenu_newdir): Change to call process_new_dir. (files_dock_widget::contextmenu_setcurrentdir): Change to call process_set_current_dir. (files_dock_widget::popdownmenu_newdir): New function. (files_dock_widget::popdownmenu_newfile): New function. (files_dock_widget::process_new_file): New function. (files_dock_widget::process_new_dir): New function. (iles_dock_widget::process_set_current_dir): New function. * libgui/src/resource.qrc: Added icons/gear.png. * libgui/src/module.mk: Added icons/gear.png. * libgui/src/icons.png: New file.

--- a/libgui/src/files-dock-widget.h
+++ b/libgui/src/files-dock-widget.h
@@ -93,6 +93,10 @@
   void contextmenu_newdir (bool);
   void contextmenu_setcurrentdir (bool);
 
+  /* popdown menu options */
+  void popdownmenu_newfile(bool);
+  void popdownmenu_newdir(bool);
+
 signals:
 
   /** Emitted, whenever the user requested to open a file. */
@@ -108,8 +112,9 @@
   void run_file_signal (const QString& fileName);
 
 private:
-
-  // TODO: Add toolbar with buttons for navigating the path, creating dirs, etc
+  void process_new_file(const QString &parent_name);
+  void process_new_dir(const QString &parent_name);
+  void process_set_current_dir(const QString &parent_name);
 
   /** set a new directory or open a file **/
   void display_directory (const QString& dir, bool set_octave_dir = true);