-/*
+/*
text-item.cc -- implement Text_item
- source file of the LilyPond music typesetter
-
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-*/
+ 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>
-
-#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(Text_def *tdef_l, int d)
- : Staff_side(this)
+MAKE_SCHEME_CALLBACK (Text_item, interpret_markup, 3)
+SCM
+Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
{
- dir_i_ = d;
- fat_b_ = false;
- tdef_p_ = new Text_def(*tdef_l);
- pos_i_ =0;
-}
+ if (gh_string_p (markup))
+ {
+ String str = ly_scm2string (markup);
+ if (str.index_any (" \t\n\r") != -1)
+ {
+ /* Multi word string to line markup. */
+ static SCM proc;
+ if (!proc)
+ proc = scm_c_eval_string ("make-simple-markup");
+ return interpret_markup (paper, props, scm_call_1 (proc, markup));
+ }
-Text_def*
-Text_item::tdef_l()
-{
- return tdef_p_;
-}
+ /* Simple word. */
+ Paper_def *pap = unsmob_paper (paper);
+ Font_metric *fm = select_font (pap, props);
+ SCM lst = 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
+ lst = fontify_atom (fm, lst);
-Text_item::~Text_item()
-{
- delete tdef_p_;
+ Box b = fm->text_dimension (str);
+ return Stencil (b, lst).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);
+ }
+ return SCM_EOL;
}
-void
-Text_item::set_default_index()
+MAKE_SCHEME_CALLBACK(Text_item,print,1);
+SCM
+Text_item::print (SCM grob)
{
- pos_i_ = get_position_i(tdef_p_->create_atom().extent().y );
+ Grob * me = unsmob_grob (grob);
+
+ SCM t = me->get_property ("text");
+ SCM chain = Font_interface::font_alist_chain (me);
+ return interpret_markup (me->get_paper ()->self_scm (), chain, t);
}
-void
-Text_item::do_pre_processing()
-{
- if (!dir_i_)
- dir_i_ = -1;
- tdef_p_->pdef_l_ = paper();
-}
-void
-Text_item::do_post_processing()
+/*
+ Ugh. Duplicated from Scheme.
+ */
+bool
+Text_item::markup_p (SCM x)
{
- set_default_index();
+ 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_->create_atom());
+ADD_INTERFACE (Text_item,"text-interface",
+ "A scheme markup text, see @usermanref{Text-markup}.",
+ "text baseline-skip word-space");
- if ( fat_b_)
- a.sym.dim.x = tdef_p_->width();
- Molecule* mol_p = new Molecule(a);
- if(dir_i_<0 ) // should do something better anyway.
- mol_p->translate(Offset(0, -mol_p->extent().y.left ));
- mol_p->translate(Offset(0, pos_i_ * paper()->internote()));
-
- return mol_p;
-}
-IMPLEMENT_STATIC_NAME(Text_item);