source file of the GNU LilyPond music typesetter
- (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "mark-engraver.hh"
-#include "text-def.hh"
-#include "script.hh"
+#include <ctype.h>
+#include "bar-line.hh"
+
+#include "staff-symbol.hh"
+#include "engraver-group-engraver.hh"
+#include "engraver.hh"
+#include "lily-guile.hh"
+#include "paper-column.hh"
#include "paper-def.hh"
-#include "command-request.hh"
-#include "time-description.hh"
-#include "engraver-group.hh"
+#include "side-position-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "item.hh"
+#include "group-interface.hh"
+#include "text-item.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_;
+
+protected:
+ virtual void stop_translation_timestep ();
+ virtual void acknowledge_grob (Grob_info);
+ void create_items (Music*);
+ virtual bool try_music (Music *req);
+ virtual void start_translation_timestep ();
+ virtual void process_music ();
+
+private:
+ Music * mark_req_;
+};
+
+
+
-IMPLEMENT_IS_TYPE_B1 (Mark_engraver, Engraver);
-ADD_THIS_TRANSLATOR (Mark_engraver);
Mark_engraver::Mark_engraver ()
{
- mark_req_l_ = 0;
- script_p_ = 0;
+ text_ =0;
+ mark_req_ = 0;
}
-bool
-Mark_engraver::do_try_request (Request* r_l)
+void
+Mark_engraver::acknowledge_grob (Grob_info inf)
{
- Command_req* c_l = r_l->access_Command_req ();
- if (!c_l || !c_l->access_Mark_req () || mark_req_l_)
- return false;
-
- mark_req_l_ = c_l->access_Mark_req ();
+ Grob * s = inf.grob_;
+ if (text_ && 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_->set_parent (s, X_AXIS);
+ }
+}
- return true;
+void
+Mark_engraver::stop_translation_timestep ()
+{
+ if (text_)
+ {
+ text_->set_grob_property ("side-support-elements" , get_property ("stavesFound"));
+ typeset_grob (text_);
+ text_ =0;
+ }
}
+
void
-Mark_engraver::do_process_requests ()
-{
- if (!mark_req_l_ || script_p_)
+Mark_engraver::create_items (Music *rq)
+{
+ if (text_)
return;
- script_p_ = new Script;
- script_p_->breakable_b_ = true;
+ SCM s = get_property ("RehearsalMark");
+ text_ = new Item (s);
- Text_def *td_p = new Text_def;
- td_p->text_str_ = mark_req_l_->str_;
- td_p->align_dir_ = CENTER;
+ announce_grob(text_, rq->self_scm());
+}
- td_p->style_str_ = td_p->text_str_.index_any_i ("0123456789") >= 0
- ? "mark" : "Large";
- script_p_->dir_ = UP;
- script_p_->specs_p_ = td_p->clone ();
- script_p_->postbreak_only_b_ = true;
-
- Scalar padding = get_property ("markScriptPadding");
- if (padding.length_i() && padding.isnum_b ())
- {
- script_p_->padding_f_ = Real(padding);
- }
- Scalar break_priority = get_property ("markBreakPriority");
- if (break_priority.length_i() && break_priority.isnum_b ())
- {
- script_p_->break_priority_i_ = int(break_priority);
- }
-
- announce_element (Score_element_info (script_p_, mark_req_l_));
+void
+Mark_engraver::start_translation_timestep ()
+{
+ mark_req_ = 0;
}
-void
-Mark_engraver::do_pre_move_processing ()
+
+bool
+Mark_engraver::try_music (Music* r)
{
- if (script_p_)
+ mark_req_ = r;
+ return true;
+}
+
+
+/*
+
+ TODO: make the increment function in Scheme.
+
+*/
+void
+Mark_engraver::process_music ()
+{
+ if (mark_req_)
{
- typeset_element (script_p_);
- script_p_ = 0;
- mark_req_l_ = 0;
+ create_items (mark_req_);
+
+ String t;
+
+ /*
+ automatic marks.
+ */
+
+ SCM m = mark_req_->get_mus_property ("label");
+ if (new_markup_p (m))
+ {
+ text_->set_grob_property ("text",m);
+ text_->set_grob_property ("molecule-callback", new_markup_brewer ());
+ }
+ if (gh_pair_p (m)) // markup text
+ text_->set_grob_property ("text",m);
+ else
+ {
+ if (!gh_string_p (m) && !gh_number_p (m))
+ m = get_property ("rehearsalMark");
+
+ if (gh_number_p (m))
+ {
+ int mark_count = gh_scm2int (m);
+ t = to_string (mark_count);
+ mark_count ++;
+ m = gh_int2scm (mark_count);
+ }
+ else if (gh_string_p (m))
+ {
+ t = ly_scm2string (m);
+ String next;
+ if (t.length ())
+ {
+ char c = t[0];
+ c++;
+ next = to_string (c);
+ }
+ m = scm_makfrom0str (next.to_str0 ());
+ }
+ else
+ {
+ m = gh_int2scm (1);
+ }
+
+ daddy_trans_->set_property ("rehearsalMark", m);
+
+ text_->set_grob_property ("text",
+ scm_makfrom0str (t.to_str0 ()));
+
+ String style = "mark-number";
+ for (int i=0; i < t.length (); i++)
+ {
+ if (!isdigit (t[i]))
+ {
+ style = "mark-letter";
+ break;
+ }
+ }
+ SCM st = ly_symbol2scm (style.to_str0 ());
+ text_->set_grob_property ("font-style", st);
+ }
+
}
}
+ENTER_DESCRIPTION(Mark_engraver,
+/* descr */ "",
+/* creats*/ "RehearsalMark",
+/* accepts */ "mark-event",
+/* acks */ "bar-line-interface",
+/* reads */ "rehearsalMark stavesFound",
+/* write */ "");