lily/clef-item.cc

   1 /*
   2   clef-item.cc -- implement Clef_item
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <ctype.h>
  10 #include "clef-item.hh"
  11 #include "string.hh"
  12 #include "molecule.hh"
  13 #include "paper-def.hh"
  14 #include "lookup.hh"
  15 #include "text-item.hh"
  16 #include "paper-score.hh"
  17 #include "dimension-cache.hh"
  18 #include "side-position-interface.hh"
  19 #include "warn.hh"
  20
  21 void
  22 Clef_item::do_pre_processing()
  23 {
  24   SCM style_sym =get_elt_property ("style");
  25   String style;
  26   if (gh_string_p (style_sym))
  27     style = ly_scm2string (style_sym);
  28
  29   SCM glyph = get_elt_property ("glyph");
  30   if (gh_string_p (glyph))
  31     {
  32       String s = ly_scm2string (glyph);
  33
  34       if (break_status_dir() != RIGHT && style != "fullSizeChanges")
  35         {
  36           s += "_change";
  37         }
  38       s = "clefs-" +  s;
  39       set_elt_property ("glyph", ly_str02scm (s.ch_C()));
  40     }
  41   else
  42     {
  43       set_elt_property ("transparent", SCM_BOOL_T);
  44     }
  45
  46   if (style == "transparent")   // UGH. JUNKME
  47     {
  48       set_elt_property ("transparent", SCM_BOOL_T);
  49       set_empty (X_AXIS);
  50     }
  51 }
  52
  53
  54 void
  55 Clef_item::do_add_processing ()
  56 {
  57   if (!break_status_dir ())     // broken stuff takes care of their own texts
  58     {
  59       Text_item *g =0;
  60
  61       SCM octave_dir = remove_elt_property ("octave-dir");
  62       if (isdir_b (octave_dir))
  63         {
  64           g = new Text_item;
  65           Side_position_interface spi (g);
  66           spi.set_axis (Y_AXIS);
  67
  68           pscore_l_->typeset_element (g);
  69
  70           spi.add_support (this);
  71           g->set_elt_property ("text", ly_str02scm ( "8"));
  72           g->set_elt_property ("style", gh_str02scm ("italic"));
  73           g->set_parent (this, Y_AXIS);
  74           g->set_parent (this, X_AXIS);
  75
  76           g->set_elt_property ("self-alignment-X", gh_int2scm (0));
  77           g->dim_cache_[X_AXIS]->off_callbacks_.push (Side_position_interface::aligned_on_self);
  78           g->dim_cache_[X_AXIS]->off_callbacks_.push (Side_position_interface::centered_on_parent);
  79
  80           g->set_elt_property ("direction", octave_dir);
  81
  82           add_dependency (g);   // just to be sure.
  83           SCM my_vis = get_elt_property ("visibility-lambda");
  84           if (gh_procedure_p (my_vis))
  85             g->set_elt_property ("visibility-lambda", my_vis);
  86
  87         }
  88
  89     }
  90 }
  91
  92