-/*
+/*
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--1998 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 "debug.hh"
-
-Text_item::Text_item (General_script_def* tdef_l, Direction d)
-{
- dir_ = d;
- fat_b_ = false;
- tdef_p_ = tdef_l->clone ();
-}
+#include "font-interface.hh"
+#include "virtual-font-metric.hh"
+#include "paper-def.hh"
-Text_item::~Text_item ()
+MAKE_SCHEME_CALLBACK(Text_item,interpret_markup,3);
+SCM
+Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
{
- delete tdef_p_;
+ 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);
+
+ 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);
}
-Real
-Text_item::get_position_f () const
-{
- // uhuh, tdef/gdef?
- if ( (tdef_p_->name () != Text_def::static_name ())
- || ( ( (Text_def*)tdef_p_)->style_str_ != "finger"))
- return Staff_side::get_position_f ();
-
- if (!dir_)
- {
- warning (_ ("Text_item::get_position_f(): "
- "somebody forgot to set my vertical direction, returning -20"));
- return -20;
- }
-
- Interval v = support_height ();
- // add no extra: fingers should be just above note, no?
- return v[dir_];
-}
-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_));
+ADD_INTERFACE (Text_item,"text-interface",
+ "A scheme markup text, see @ref{Markup functions}.",
+ "text baseline-skip word-space");
- if (fat_b_)
- a.dim_[X_AXIS] = tdef_p_->width (paper ());
- Molecule* mol_p = new Molecule (a);
- if (dir_<0) // should do something better anyway.
- mol_p->translate_axis (-mol_p->extent ().y ().left , Y_AXIS);
- mol_p->translate_axis (y_, Y_AXIS);
-
- return mol_p;
-}
-IMPLEMENT_IS_TYPE_B1 (Text_item,Item);