-/*
+/*
text-item.cc -- implement Text_item
source file of the GNU LilyPond music typesetter
+
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+ */
+#include <math.h>
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-*/
-
-
-#include "musical-request.hh"
-#include "paper-def.hh"
+#include "warn.hh"
+#include "grob.hh"
#include "text-item.hh"
-#include "stem.hh"
-#include "molecule.hh"
-#include "lookup.hh"
+#include "font-interface.hh"
+#include "virtual-font-metric.hh"
+#include "paper-def.hh"
-Text_item::Text_item (General_script_def*tdef_l, Direction d)
+MAKE_SCHEME_CALLBACK(Text_item,interpret_markup,3);
+SCM
+Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
{
- dir_ = d;
- fat_b_ = false;
- tdef_p_ = tdef_l->clone();
-}
+ if (gh_string_p (markup))
+ {
+ Paper_def *pap = unsmob_paper (paper);
+ Font_metric *fm = select_font (pap, props);
+
+ SCM list = scm_list_n (ly_symbol2scm ("text"), markup, SCM_UNDEFINED);
+
+ if (dynamic_cast<Virtual_font_metric*> (fm))
+ {
+ /*
+ ARGH.
+ */
+ programming_error ("Can't use virtual font for text.");
+ }
+ else
+ list = fontify_atom (fm, list);
-Text_item::~Text_item()
-{
- delete tdef_p_;
+ Box b = fm->text_dimension (ly_scm2string (markup));
+ return Molecule (b, list).smobbed_copy();
+ }
+ else if (gh_pair_p (markup))
+ {
+ SCM func = gh_car (markup);
+ SCM args = gh_cdr (markup);
+ if (!markup_p (markup))
+ programming_error ("Markup head has no markup signature.");
+
+ return scm_apply_2 (func, paper, props, args);
+ }
+ else
+ {
+ return SCM_EOL;
+ }
}
-void
-Text_item::do_pre_processing()
+MAKE_SCHEME_CALLBACK(Text_item,brew_molecule,1);
+SCM
+Text_item::brew_molecule (SCM grob)
{
- if (!dir_)
- dir_ = DOWN;
+ Grob * me = unsmob_grob (grob);
+
+ SCM t = me->get_grob_property ("text");
+ SCM chain = Font_interface::font_alist_chain (me);
+ return interpret_markup (me->get_paper ()->self_scm (), chain, t);
}
-Interval
-Text_item::symbol_height() const
+
+/*
+ Ugh. Duplicated from Scheme.
+ */
+bool
+Text_item::markup_p (SCM x)
{
- return tdef_p_->get_atom (paper(), dir_).dim_.y ();
+ return
+ gh_string_p (x) ||
+ (gh_pair_p (x)
+ && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature")));
}
-
-Molecule*
-Text_item::brew_molecule_p() const
-{
- Atom a (tdef_p_->get_atom (paper(), dir_));
- /*
- if (fat_b_)
- a.sym.dim.x = tdef_p_->width (paper());
- */
- Molecule* mol_p = new Molecule (a);
+ADD_INTERFACE (Text_item,"text-interface",
+ "A scheme markup text, see @ref{Markup functions}.",
+ "text baseline-skip word-space");
+
- if (dir_<0) // should do something better anyway.
- mol_p->translate (-mol_p->extent().y ().left , Y_AXIS);
- mol_p->translate (pos_i_ * paper()->internote_f (), Y_AXIS);
-
- return mol_p;
-}
-IMPLEMENT_IS_TYPE_B1(Text_item,Item);