2 a2-engraver.cc -- implement A2_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "note-head.hh"
14 #include "translator-group.hh"
15 #include "side-position-interface.hh"
16 #include "directional-element-interface.hh"
18 class A2_engraver : public Engraver
22 VIRTUAL_COPY_CONS (Translator);
25 virtual void do_process_music ();
26 virtual void acknowledge_element (Score_element_info);
28 virtual void do_pre_move_processing ();
32 enum State { SOLO, SPLIT_INTERVAL, UNIRHYTHM, UNISILENCE, UNISON } state_;
35 ADD_THIS_TRANSLATOR (A2_engraver);
37 A2_engraver::A2_engraver ()
44 A2_engraver::do_process_music ()
46 if (!to_boolean (get_property ("combineParts")))
50 SCM unison = get_property ("unison");
51 SCM solo = get_property ("solo");
52 SCM solo_adue = get_property ("soloADue");
54 if (solo_adue == SCM_BOOL_T
55 && ((solo == SCM_BOOL_T && state_ != SOLO)
56 || (unison == SCM_BOOL_T && state_ != UNISON
57 && daddy_trans_l_->id_str_ == "one")))
59 text_p_ = new Item (get_property ("TextScript"));
60 Side_position::set_axis (text_p_, Y_AXIS);
61 announce_element (text_p_, 0);
65 if (solo == SCM_BOOL_T)
68 if (daddy_trans_l_->id_str_ == "one")
70 text = get_property ("soloText");
74 text = get_property ("soloIIText");
78 else if (unison == SCM_BOOL_T)
81 if (daddy_trans_l_->id_str_ == "one")
82 text = get_property ("aDueText");
85 Side_position::set_direction (text_p_, dir);
86 text_p_->set_elt_property ("text", text);
92 A2_engraver::acknowledge_element (Score_element_info i)
94 if (!to_boolean (get_property ("combineParts")))
99 if (Note_head::has_interface (i.elem_l_))
101 Score_element*t = text_p_;
102 Side_position::add_support (t, i.elem_l_);
103 if (Side_position::get_axis (t) == X_AXIS
104 && !t->parent_l (Y_AXIS))
105 t->set_parent (i.elem_l_, Y_AXIS);
107 if (Stem::has_interface (i.elem_l_))
109 Side_position::add_support (text_p_, i.elem_l_);
113 SCM unisilence = get_property ("unisilence");
114 SCM unison = get_property ("unison");
115 SCM unirhythm = get_property ("unirhythm");
116 SCM solo = get_property ("solo");
117 SCM split_interval = get_property ("split-interval");
118 SCM solo_adue = get_property ("soloADue");
120 State previous_state = state_;
121 if (unisilence == SCM_BOOL_T)
126 else if (solo == SCM_BOOL_T)
128 else if (unison == SCM_BOOL_T)
130 else if (unirhythm == SCM_BOOL_T && split_interval == SCM_BOOL_T)
131 state_ = SPLIT_INTERVAL;
135 if (Stem::has_interface (i.elem_l_)
136 || Slur::has_interface (i.elem_l_)
137 // || Text_item::has_interface (i.elem_l_)
138 //|| Crescendo::has_interface (i.elem_l_)
142 Hmm. We must set dir when solo, in order to get
143 the rests collided to the right position
145 if ((unirhythm != SCM_BOOL_T) || (solo == SCM_BOOL_T)
146 || ((unisilence == SCM_BOOL_T && previous_state != UNISON))
147 || (unirhythm == SCM_BOOL_T && split_interval == SCM_BOOL_T
148 && (unison != SCM_BOOL_T || solo_adue != SCM_BOOL_T)))
150 if (daddy_trans_l_->id_str_ == "one")
152 i.elem_l_->set_elt_property ("direction", gh_int2scm (1));
154 else if (daddy_trans_l_->id_str_ == "two")
156 i.elem_l_->set_elt_property ("direction", gh_int2scm (-1));
163 A2_engraver::do_pre_move_processing ()
167 Side_position::add_staff_support (text_p_);
168 typeset_element (text_p_);