2 text-engraver.cc -- implement Text_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "directional-element-interface.hh"
10 #include "engraver.hh"
11 #include "side-position-interface.hh"
15 #include "rhythmic-head.hh"
16 #include "text-item.hh"
20 typeset directions that are plain text.
22 class Text_engraver : public Engraver
24 Link_array<Music> reqs_;
25 Link_array<Item> texts_;
27 TRANSLATOR_DECLARATIONS(Text_engraver);
29 virtual bool try_music (Music* m);
30 virtual void stop_translation_timestep ();
31 virtual void process_acknowledged_grobs ();
32 virtual void acknowledge_grob (Grob_info);
36 Text_engraver::try_music (Music *m)
38 if (m->is_mus_type ("text-script-event"))
47 Text_engraver::acknowledge_grob (Grob_info inf)
49 if (Rhythmic_head::has_interface (inf.grob_))
51 for (int i=0; i < texts_.size (); i++)
54 Side_position_interface::add_support (t,inf.grob_);
59 if (Side_position_interface::get_axis (t) == X_AXIS
60 && !t->get_parent (Y_AXIS))
61 t->set_parent (inf.grob_, Y_AXIS);
62 else if (Side_position_interface::get_axis (t) == Y_AXIS
63 && !t->get_parent (X_AXIS))
64 t->set_parent (inf.grob_, X_AXIS);
68 if (Stem::has_interface (inf.grob_))
70 for (int i=0; i < texts_.size (); i++)
72 Side_position_interface::add_support (texts_[i],inf.grob_);
78 Text_engraver::process_acknowledged_grobs ()
82 for (int i=0; i < reqs_.size (); i++)
86 // URG: Text vs TextScript
87 String basic = "TextScript";
89 Item *text = new Item (get_property (basic.to_str0 ()));
93 Side_position_interface::set_axis (text, ax);
97 SCM s = text->get_grob_property ("script-priority");
99 priority = gh_scm2int (s);
101 /* see script-engraver.cc */
104 text->set_grob_property ("script-priority", gh_int2scm (priority));
106 Direction dir = to_dir (r->get_mus_property ("direction"));
108 set_grob_direction (text, dir);
111 SCM mark = r->get_mus_property ("text");
113 text->set_grob_property ("text", mark);
114 announce_grob (text, r->self_scm ());
120 Text_engraver::stop_translation_timestep ()
122 for (int i=0; i < texts_.size (); i++)
124 Item *ti = texts_[i];
132 Text_engraver::Text_engraver ()
136 ENTER_DESCRIPTION(Text_engraver,
137 /* descr */ "Create text-scripts",
138 /* creats*/ "TextScript",
139 /* accepts */ "text-script-event",
140 /* acks */ "rhythmic-head-interface stem-interface",