2 script-engraver.cc -- implement Script_engraver
4 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 #include "script-engraver.hh"
9 #include "side-position-interface.hh"
10 #include "musical-request.hh"
12 #include "staff-symbol.hh"
13 #include "rhythmic-head.hh"
14 #include "dimension-cache.hh"
16 Script_engraver::Script_engraver()
18 do_post_move_processing();
22 Script_engraver::do_try_music (Music *r_l)
24 if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r_l))
26 for (int i=0; i < script_req_l_arr_.size(); i++)
28 if (script_req_l_arr_[i]->equal_b (mr))
31 script_req_l_arr_.push (mr);
38 Script_engraver::do_process_requests()
40 for (int i=0; i < script_req_l_arr_.size(); i++)
42 Articulation_req* l=script_req_l_arr_[i];
44 SCM list = ly_eval_str (("(articulation-to-scriptdef \"" + l->articulation_str_ + "\")").ch_C());
46 if (list == SCM_BOOL_F)
48 l->warning (_f ("Don't know how to interpret articulation `%s'",
49 l->articulation_str_.ch_C ()));
52 Script *p =new Script;
53 Side_position_interface stafy (p);
57 p->set_elt_property ("molecule",
61 bool follow_staff = gh_scm2bool (gh_car (list));
63 int relative_stem_dir = gh_scm2int (gh_car (list));
65 int force_dir =gh_scm2int (gh_car (list));
67 SCM priority = gh_car (list);
70 if (relative_stem_dir)
71 p->set_elt_property ("side-relative-direction", gh_int2scm (relative_stem_dir));
73 stafy.set_direction ((Direction)force_dir);
75 if (l->get_direction ())
76 stafy.set_direction (l->get_direction ());
78 SCM axisprop = get_property ("scriptHorizontal",0);
79 bool xaxis = to_boolean (axisprop);
81 stafy.set_axis (X_AXIS);
83 stafy.set_axis (Y_AXIS);
85 if (!follow_staff && ! xaxis)
86 p->set_elt_property ("staff-support", SCM_BOOL_T);
88 if (!xaxis && follow_staff)
89 stafy.set_quantised (Y_AXIS);
91 p->set_elt_property ("script-priority", priority);
93 script_p_arr_.push (p);
95 announce_element (Score_element_info (p, l));
100 Script_engraver::acknowledge_element (Score_element_info inf)
102 bool them_grace = to_boolean (inf.elem_l_->get_elt_property ("grace"));
103 bool us_grace = to_boolean (get_property ("weAreGraceContext",0));
105 if (us_grace != them_grace)
108 if (Stem *s = dynamic_cast<Stem*>(inf.elem_l_))
110 for (int i=0; i < script_p_arr_.size(); i++)
112 Side_position_interface stafy (script_p_arr_[i]);
113 stafy.elt_l_->set_elt_property ("direction-source", s->self_scm_);
114 stafy.add_support (s);
117 else if (Rhythmic_head * rh = dynamic_cast<Rhythmic_head*>(inf.elem_l_))
119 for (int i=0; i < script_p_arr_.size(); i++)
121 Side_position_interface stafy(script_p_arr_[i]);
123 if (!stafy.elt_l_->parent_l (X_AXIS))
125 stafy.elt_l_->set_parent (inf.elem_l_, X_AXIS);
127 if (stafy.get_axis () == X_AXIS
128 && !stafy.elt_l_->parent_l (Y_AXIS))
129 stafy.elt_l_->set_parent (rh, Y_AXIS);
131 stafy.add_support (rh);
137 Script_engraver::do_pre_move_processing()
139 for (int i=0; i < script_p_arr_.size(); i++)
141 typeset_element (script_p_arr_[i]);
143 script_p_arr_.clear();
147 Script_engraver::do_post_move_processing()
149 script_req_l_arr_.clear();
152 ADD_THIS_TRANSLATOR(Script_engraver);