source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
+
+#include <ctype.h>
+#include "bar-line.hh"
#include "command-request.hh"
-#include "mark-engraver.hh"
+#include "staff-symbol.hh"
#include "engraver-group-engraver.hh"
-#include "text-item.hh"
+#include "engraver.hh"
+#include "lily-guile.hh"
+#include "paper-column.hh"
+#include "paper-def.hh"
+#include "side-position-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "item.hh"
+#include "group-interface.hh"
+
+/**
+ put stuff over or next to bars. Examples: bar numbers, marginal notes,
+ rehearsal marks.
+ */
+class Mark_engraver : public Engraver
+{
+public:
+ TRANSLATOR_DECLARATIONS(Mark_engraver);
+protected:
+ Item* text_p_;
+
+protected:
+ virtual void stop_translation_timestep ();
+ virtual void acknowledge_grob (Grob_info);
+ void create_items (Request*);
+ virtual bool try_music (Music *req_l);
+ virtual void start_translation_timestep ();
+ virtual void process_music ();
+
+private:
+ Mark_req * mark_req_l_;
+};
+
+
-ADD_THIS_TRANSLATOR (Mark_engraver);
Mark_engraver::Mark_engraver ()
{
+ text_p_ =0;
mark_req_l_ = 0;
- axis_ = Y_AXIS;
- type_ = "mark";
- visibility_lambda_ = ly_ch_C_eval_scm ("mark-visibility");
}
void
-Mark_engraver::do_post_move_processing ()
+Mark_engraver::acknowledge_grob (Grob_info inf)
+{
+ Grob * s = inf.grob_l_;
+ if (text_p_ && Bar_line::has_interface (s))
+ {
+ /*
+ Ugh. Figure out how to do this right at beginning of line, (without
+ creating class Bar_script : public Item).
+ */
+ text_p_->set_parent (s, X_AXIS);
+ }
+}
+
+void
+Mark_engraver::stop_translation_timestep ()
+{
+ if (text_p_)
+ {
+ text_p_->set_grob_property ("side-support-elements" , get_property ("stavesFound"));
+ typeset_grob (text_p_);
+ text_p_ =0;
+ }
+}
+
+
+void
+Mark_engraver::create_items (Request *rq)
+{
+ if (text_p_)
+ return;
+
+ SCM s = get_property ("RehearsalMark");
+ text_p_ = new Item (s);
+
+
+ announce_grob(text_p_, rq->self_scm());
+}
+
+
+void
+Mark_engraver::start_translation_timestep ()
{
mark_req_l_ = 0;
}
bool
-Mark_engraver::do_try_music (Music* r_l)
+Mark_engraver::try_music (Music* r_l)
{
if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
{
+ if (mark_req_l_ && mr->equal_b (mark_req_l_))
+ return true;
+ if (mark_req_l_)
+ return false;
mark_req_l_ = mr;
return true;
}
return false;
}
+
+/*
+
+ TODO: make the increment function in Scheme.
+
+*/
void
-Mark_engraver::do_process_requests ()
+Mark_engraver::process_music ()
{
if (mark_req_l_)
{
create_items (mark_req_l_);
- text_p_->text_str_ = mark_req_l_->str_;
- text_p_->style_str_ = text_p_->text_str_.index_any_i ("0123456789") >= 0
- ? "mark" : "Large";
+
+ String t;
+
+ /*
+ automatic marks.
+ */
+
+ SCM m = mark_req_l_->get_mus_property ("label");
+ if (gh_pair_p (m)) // markup text
+ text_p_->set_grob_property ("text",m);
+ else
+ {
+ if (!gh_string_p (m))
+ m = get_property ("rehearsalMark");
+ ;
+
+ if (gh_number_p (m))
+ {
+ int mark_count = gh_scm2int (m);
+ t = to_str (mark_count);
+ mark_count ++;
+ m = gh_int2scm (mark_count);
+ }
+ else if (gh_string_p (m))
+ {
+ t = ly_scm2string (m);
+ String next;
+ if (t.length_i ())
+ {
+ char c = t[0];
+ c++;
+ next = to_str (c);
+ }
+ m = ly_str02scm (next.ch_C ());
+ }
+ else
+ {
+ m = gh_int2scm (1);
+ }
+
+ daddy_trans_l_->set_property ("rehearsalMark", m);
+
+ text_p_->set_grob_property ("text",
+ ly_str02scm (t.ch_C ()));
+
+ String style = "mark-number";
+ for (int i=0; i < t.length_i (); i++)
+ {
+ if (!isdigit (t[i]))
+ {
+ style = "mark-letter";
+ break;
+ }
+ }
+ SCM st = ly_symbol2scm (style.ch_C ());
+ text_p_->set_grob_property ("font-style", st);
+ }
+
}
}
+
+ENTER_DESCRIPTION(Mark_engraver,
+/* descr */ "",
+/* creats*/ "RehearsalMark",
+/* acks */ "bar-line-interface",
+/* reads */ "rehearsalMark stavesFound",
+/* write */ "");