2 engravergroup.hh -- declare Engraver_group_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
10 #ifndef ENGRAVERGROUP_HH
11 #define ENGRAVERGROUP_HH
13 #include "lily-proto.hh"
16 #include "score-elem-info.hh"
17 #include "engraver.hh"
18 #include "translator.hh"
22 Group a number of engravers. Usually delegates everything to its contents.
25 class Engraver_group_engraver : public Engraver, public virtual Translator {
28 Pointer_list<Engraver*> grav_list_;
29 Link_array<Engraver_group_engraver> group_l_arr_;
30 Link_array<Engraver> nongroup_l_arr_;
32 Array<Score_elem_info> announce_info_arr_;
34 virtual void do_print()const;
36 virtual bool removable_b()const;
39 virtual void print() const { Engraver::print(); }
41 Input_translator * itrans_l_;
43 Engraver_group_engraver();
44 ~Engraver_group_engraver();
46 bool is_bottom_engraver_b() const;
52 #grav_l# is in #grav_list_#
54 virtual void terminate_engraver(Engraver * grav_l);
59 Remove #grav_l# from the list, and return it.
61 virtual Engraver * remove_engraver_p(Engraver*grav_l);
62 virtual void set_feature(Feature i);
63 virtual void sync_features();
65 virtual void do_pre_move_processing();
66 virtual void do_post_move_processing();
67 virtual void do_removal_processing();
68 virtual bool do_try_request(Request*);
69 virtual bool try_request(Request*);
70 virtual void do_process_requests();
72 virtual Staff_info get_staff_info()const;
74 virtual Engraver_group_engraver * find_engraver_l(String name,String id);
75 virtual void do_announces();
76 virtual void announce_element(Score_elem_info);
77 virtual void add(Engraver* grav_p);
78 virtual bool contains_b(Engraver*)const;
80 virtual Translator* find_get_translator_l(String name, String id);
81 virtual Translator * get_default_interpreter();
83 Go up in the tree. default: choose next parent
85 Translator * ancestor_l(int l=1);
90 #endif // ENGRAVERGROUP_HH