-/*
- text-engraver.cc -- implement Text_engraver
-
+/*
+ text-engraver.cc -- implement Text_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+#include "directional-element-interface.hh"
#include "engraver.hh"
+#include "rhythmic-head.hh"
#include "side-position-interface.hh"
-#include "item.hh"
-#include "musical-request.hh"
#include "stem.hh"
-#include "rhythmic-head.hh"
+#include "stream-event.hh"
+#include "text-interface.hh"
+#include "item.hh"
+#include "translator.icc"
/**
typeset directions that are plain text.
- */
+*/
class Text_engraver : public Engraver
{
- Link_array<Text_script_req> reqs_;
- Link_array<Item> texts_;
+ vector<Stream_event *> evs_;
+ vector<Grob*> texts_;
public:
- TRANSLATOR_DECLARATIONS(Text_engraver);
+ TRANSLATOR_DECLARATIONS (Text_engraver);
protected:
- virtual bool try_music (Music* m);
- virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
- virtual void create_grobs ();
- virtual void acknowledge_grob (Grob_info);
-};
+ void stop_translation_timestep ();
+ void process_acknowledged ();
-bool
-Text_engraver::try_music (Music *m)
-{
- if (dynamic_cast<Text_script_req*> (m)
- && m->get_mus_property ("text-type") != ly_symbol2scm ("dynamic"))
- {
- reqs_.push (dynamic_cast<Text_script_req*> (m));
- return true;
- }
- return false;
-}
+ DECLARE_TRANSLATOR_LISTENER (text_script);
+};
+IMPLEMENT_TRANSLATOR_LISTENER (Text_engraver, text_script);
void
-Text_engraver::acknowledge_grob (Grob_info inf)
+Text_engraver::listen_text_script (Stream_event *ev)
{
- if (Rhythmic_head::has_interface (inf.grob_l_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Grob*t = texts_[i];
- Side_position_interface::add_support (t,inf.grob_l_);
-
- /*
- ugh.
- */
- if (Side_position_interface::get_axis (t) == X_AXIS
- && !t->get_parent (Y_AXIS))
- t->set_parent (inf.grob_l_, Y_AXIS);
- else if (Side_position_interface::get_axis (t) == Y_AXIS
- && !t->get_parent (X_AXIS))
- t->set_parent (inf.grob_l_, X_AXIS);
- }
- }
-
- if (Stem::has_interface (inf.grob_l_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Side_position_interface::add_support (texts_[i],inf.grob_l_);
- }
- }
+ evs_.push_back (ev);
}
void
-Text_engraver::create_grobs ()
+Text_engraver::process_acknowledged ()
{
if (texts_.size ())
return;
- for (int i=0; i < reqs_.size (); i++)
+ for (vsize i = 0; i < evs_.size (); i++)
{
- Text_script_req * r = reqs_[i];
-
+ Stream_event *r = evs_[i];
+
// URG: Text vs TextScript
- String basic = "TextScript";
-
- if (r->get_mus_property ("text-type") == ly_symbol2scm ("finger"))
- {
- basic = "Fingering";
- }
-
- Item *text = new Item (get_property (basic.ch_C ()));
-
- /*
- FIXME -> need to use basic props.
- */
- SCM axisprop = get_property ("scriptHorizontal");
-
- Axis ax = to_boolean (axisprop) ? X_AXIS : Y_AXIS;
- Side_position_interface::set_axis (text, ax);
-
-#if 0
- if (r->style_str_ == "finger" && ax == Y_AXIS)
- {
- /*
- nicely center the scripts.
- */
- text->add_offset_callback (Side_position_interface::aligned_on_self_proc, X_AXIS);
- text->add_offset_callback (Side_position_interface::centered_on_parent_proc, X_AXIS);
- }
-#endif
-
-
-
- /*
- make sure they're in order by adding i to the priority field.
- */
- text->set_grob_property ("script-priority",
- gh_int2scm (200 + i));
-
- if (r->get_direction ())
- Side_position_interface::set_direction (text, r->get_direction ());
-
- text->set_grob_property ("text", r->get_mus_property ("text"));
-
- SCM nonempty = get_property ("textNonEmpty");
- if (to_boolean (nonempty))
- /*
- empty text: signal that no rods should be applied.
- */
- text->set_grob_property ("no-spacing-rods" , SCM_BOOL_F);
-
- announce_grob (text, r->self_scm ());
- texts_.push (text);
+ Item *text = make_item ("TextScript", r->self_scm ());
+
+ int priority = robust_scm2int (text->get_property ("script-priority"),
+ 200);
+
+ /* see script-engraver.cc */
+ priority += i;
+
+ text->set_property ("script-priority", scm_from_int (priority));
+
+ Direction dir = to_dir (r->get_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
+
+ SCM mark = r->get_property ("text");
+
+ text->set_property ("text", mark);
+ texts_.push_back (text);
}
}
void
Text_engraver::stop_translation_timestep ()
{
- for (int i=0; i < texts_.size (); i++)
- {
- Item *ti = texts_[i];
- if (!to_boolean (get_property ("scriptHorizontal")))
- Side_position_interface::add_staff_support (ti);
- typeset_grob (ti);
- }
texts_.clear ();
+ evs_.clear ();
}
-void
-Text_engraver::start_translation_timestep ()
+Text_engraver::Text_engraver ()
{
- reqs_.clear ();
}
+ADD_TRANSLATOR (Text_engraver,
+ /* doc */
+ "Create text scripts.",
+
+ /* create */
+ "TextScript ",
-Text_engraver::Text_engraver(){}
+ /* read */
+ "",
-ENTER_DESCRIPTION(Text_engraver,
-/* descr */ "Create text-scripts",
-/* creats*/ "TextScript",
-/* acks */ "rhythmic-head-interface stem-interface",
-/* reads */ "scriptHorizontal textNonEmpty",
-/* write */ "");
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff