accelgroup - Robuta Search

https://lazka.github.io/pgi-docs/Gtk-3.0/classes/AccelGroup.html Gtk.AccelGroup - Classes - Gtk 3.0 gtk classes https://lists.gnome.org/archives/gtkmm-list/2007-March/msg00031.html libglademm, menus, accelgroup, Bug#412037 menus bug