Sets our main struct and passes it to the parent class.
Creates a new, empty, GSimpleActionGroup
A convenience function for creating multiple GSimpleAction instances and adding them to the action group.
Get the main Gtk struct
the main Gtk struct as a void*
Adds an action to the action group.
Looks up the action with the name action_name in the group.
Removes the named action from the action group.
the main Gtk struct