fix conflict between main and editor menus when using alt keys (bug #42659) * file-editor.cc (enable_menu_shortcuts): new function enabling/disabling the alt-key accelerators; (m_add_menu): new function adding a menu and storing menu title with and without the char & indicating the accelerator in a hash; (construct): use m_add_menu for adding a new menu to the menu bar * file-editor-interface.h: new virtual function enable_menu_shortcuts * file-editor.h: new functions enable_menu_shortcuts amd m_add_menu, new hash for storing the menu titles * main-window.cc (connect_visibility_changed): disable editors menu shortcuts; (enable_menu_shortcuts): new function enabling/disabling the alt-key accelerators; (m_add_menu): new function adding a menu and storing menu title with and without the char & indicating the accelerator in a hash; (construct_file_menu, construct_edit_menu, construct_debug_menu, construct_window_menu, construct_help_menu, construct_news_menu): use m_add_menu for adding a new menu to the menu bar; (set_global_edit_shortcuts): enable/disable the main and the editors menu shortcuts

--- a/libgui/src/m-editor/file-editor.h
+++ b/libgui/src/m-editor/file-editor.h
@@ -64,6 +64,7 @@
 
   void check_actions (void);
   void empty_script (bool startup, bool visible);
+  void enable_menu_shortcuts (bool enable);
 
 signals:
 
@@ -238,7 +239,10 @@
   QAction *add_action (QMenu *menu, const QIcon &icon, const QString &text,
                        const char *member);
 
+  QMenu* m_add_menu (QMenuBar *p, QString text);
+
   std::map<QString, QWidget *> editor_tab_map;
+  QHash<QMenu*, QStringList> _hash_menu_text;
 
   QString ced;
 
@@ -322,7 +326,6 @@
   QMenu *_mru_file_menu;
   QAction *_mru_file_actions[MaxMRUFiles];
   QStringList _mru_files;
-
 };
 
 #endif // FILEEDITORMDISUBWINDOW_H