2 script-engraver.cc -- implement Script_engraver
4 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 #include "script-engraver.hh"
9 #include "staff-side.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);
56 p->set_elt_property ("molecule",
60 bool follow_staff = gh_scm2bool (SCM_CAR(list));
62 int relative_stem_dir = gh_scm2int (SCM_CAR(list));
64 int force_dir =gh_scm2int (SCM_CAR(list));
66 SCM priority = SCM_CAR(list);
69 if (relative_stem_dir)
70 p->set_elt_property ("side-relative-direction", gh_int2scm (relative_stem_dir));
72 stafy.set_direction ((Direction)force_dir);
74 if (l->get_direction ())
75 stafy.set_direction (l->get_direction ());
77 SCM axisprop = get_property ("scriptHorizontal",0);
78 bool xaxis = gh_boolean_p (axisprop) && gh_scm2bool (axisprop);
80 stafy.set_axis (X_AXIS);
82 stafy.set_axis (Y_AXIS);
84 if (!follow_staff && ! xaxis)
85 p->set_elt_property ("staff-support", SCM_BOOL_T);
87 p->set_elt_property ("script-priority", priority);
89 script_p_arr_.push (p);
91 announce_element (Score_element_info (p, l));
96 Script_engraver::acknowledge_element (Score_element_info inf)
98 if (Stem *s = dynamic_cast<Stem*>(inf.elem_l_))
100 for (int i=0; i < script_p_arr_.size(); i++)
102 Side_position_interface stafy (script_p_arr_[i]);
103 stafy.elt_l_->set_elt_property ("direction-source", s->self_scm_);
104 stafy.add_support (s);
107 else if (Rhythmic_head * rh = dynamic_cast<Rhythmic_head*>(inf.elem_l_))
109 for (int i=0; i < script_p_arr_.size(); i++)
111 Side_position_interface stafy(script_p_arr_[i]);
113 if (!stafy.elt_l_->parent_l (X_AXIS))
115 stafy.elt_l_->set_parent (inf.elem_l_, X_AXIS);
117 if (stafy.get_axis () == X_AXIS
118 && !stafy.elt_l_->parent_l (Y_AXIS))
119 stafy.elt_l_->set_parent (rh, Y_AXIS);
121 stafy.add_support (rh);
127 Script_engraver::do_pre_move_processing()
129 for (int i=0; i < script_p_arr_.size(); i++)
131 typeset_element (script_p_arr_[i]);
133 script_p_arr_.clear();
137 Script_engraver::do_post_move_processing()
139 script_req_l_arr_.clear();
142 ADD_THIS_TRANSLATOR(Script_engraver);