2 text-engraver.cc -- implement Text_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "engraver.hh"
12 #include "side-position-interface.hh"
16 #include "rhythmic-head.hh"
17 #include "text-item.hh"
21 typeset directions that are plain text.
23 class Text_engraver : public Engraver
25 Link_array<Music> reqs_;
26 Link_array<Item> texts_;
28 TRANSLATOR_DECLARATIONS(Text_engraver);
30 virtual bool try_music (Music* m);
31 virtual void stop_translation_timestep ();
32 virtual void process_acknowledged_grobs ();
33 virtual void acknowledge_grob (Grob_info);
37 Text_engraver::try_music (Music *m)
39 if (m->is_mus_type ("text-script-event"))
48 Text_engraver::acknowledge_grob (Grob_info inf)
50 if (Rhythmic_head::has_interface (inf.grob_))
52 for (int i=0; i < texts_.size (); i++)
55 Side_position_interface::add_support (t,inf.grob_);
60 if (Side_position_interface::get_axis (t) == X_AXIS
61 && !t->get_parent (Y_AXIS))
62 t->set_parent (inf.grob_, Y_AXIS);
63 else if (Side_position_interface::get_axis (t) == Y_AXIS
64 && !t->get_parent (X_AXIS))
65 t->set_parent (inf.grob_, X_AXIS);
69 if (Stem::has_interface (inf.grob_))
71 for (int i=0; i < texts_.size (); i++)
73 Side_position_interface::add_support (texts_[i],inf.grob_);
79 Text_engraver::process_acknowledged_grobs ()
83 for (int i=0; i < reqs_.size (); i++)
87 // URG: Text vs TextScript
88 String basic = "TextScript";
90 Item *text = new Item (get_property (basic.to_str0 ()));
94 Side_position_interface::set_axis (text, ax);
98 SCM s = text->get_grob_property ("script-priority");
100 priority = gh_scm2int (s);
102 /* see script-engraver.cc */
105 text->set_grob_property ("script-priority", gh_int2scm (priority));
107 Direction dir = to_dir (r->get_mus_property ("direction"));
109 set_grob_direction (text, dir);
112 SCM mark = r->get_mus_property ("text");
114 text->set_grob_property ("text", mark);
115 announce_grob (text, r->self_scm ());
121 Text_engraver::stop_translation_timestep ()
123 for (int i=0; i < texts_.size (); i++)
125 Item *ti = texts_[i];
133 Text_engraver::Text_engraver ()
137 ENTER_DESCRIPTION(Text_engraver,
138 /* descr */ "Create text-scripts",
139 /* creats*/ "TextScript",
140 /* accepts */ "text-script-event",
141 /* acks */ "rhythmic-head-interface stem-interface",