add functions of loaded packages to auto-completion list (bug #56207) * file-editor-tab.cc (update_lexer_settings): add boolean argument for updating apis but no other settings, clear current apis entries before adding all current functions and keywords * file-editor-tab.h: (update_lexer_settings): add boolean argument for updating apis but no other settings and define as slot * file-editor.cc (make_file_editor_tab): connect new main window signal for updating auto completion word lists with the slot in file_editor_tab * main-window.cc (construct_octave_qt_link): connect new qt-link signal for updating auto completion word lists with the related new main window signal * main-window.h: new signal for word list update * qt-interpreter-events.cc (update_gui_lexer): new method emitting signal for updateing the auto completion word list * qt-interpreter-events.h: new method update_gui_lexer and new signal update_gui_lexer_signal * event-manager.cc (__event_manager_update_gui_lexer__): new function for requesting an update of the auto completion worf lists * event-manager.h (void update_gui_lexer): new method calling the virtual methos which is re-implemented in qt event manager * load_packages_and_dependencies.m: call __event_manager_update_gui_lexer__ after laoding a package if gui is running * unload_packages.m: call __event_manager_update_gui_lexer__ after unloading a packages if gui is running

--- a/libgui/src/m-editor/file-editor-tab.h	Wed Sep 23 21:23:32 2020 +0200
+++ b/libgui/src/m-editor/file-editor-tab.h	Thu Sep 24 20:49:43 2020 +0200
@@ -204,6 +204,8 @@
 
     void update_breakpoints_handler (const octave_value_list& argout);
 
+    void update_lexer_settings (bool update_apis_only = false);
+
   private slots:
 
     // When user closes message box for decoding problems
@@ -281,7 +283,6 @@
     bool unchanged_or_saved (void);
 
     void update_lexer (void);
-    void update_lexer_settings (void);
 
     void show_dialog (QDialog *dlg, bool modal);
   public: