source file of the GNU LilyPond music typesetter
- (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "mark-engraver.hh"
-#include "text-def.hh"
-#include "script.hh"
-#include "paper-def.hh"
+#include <ctype.h>
+#include "bar.hh"
#include "command-request.hh"
-#include "time-description.hh"
-#include "engraver-group.hh"
-#include "staff-sym.hh"
-#include "g-text-item.hh"
-#include "g-staff-side.hh"
-#include "stem.hh"
-#include "rhythmic-head.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 "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:
+ VIRTUAL_COPY_CONS (Translator);
+ 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 initialize ();
+ 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;
- staff_side_p_ = 0;
- text_p_ = 0;
}
-bool
-Mark_engraver::do_try_music (Music* r_l)
+void
+Mark_engraver::initialize ()
{
- if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
+ daddy_trans_l_->set_property ("stavesFound", SCM_EOL); // ugh: sharing with barnumber grav.
+}
+
+
+void
+Mark_engraver::acknowledge_grob (Grob_info inf)
+{
+ Grob * s = inf.elem_l_;
+ if (Staff_symbol::has_interface (s)
+ || to_boolean (s->get_grob_property ("invisible-staff")))
{
- mark_req_l_ = mr;
- return true;
+ SCM sts = get_property ("stavesFound");
+ SCM thisstaff = inf.elem_l_->self_scm ();
+ if (scm_memq (thisstaff, sts) == SCM_BOOL_F)
+ daddy_trans_l_->set_property ("stavesFound", gh_cons (thisstaff, sts));
+ }
+ else if (text_p_ && Bar::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;
}
- return false;
}
+
void
-Mark_engraver::do_process_requests ()
-{
- if (!mark_req_l_ || staff_side_p_)
+Mark_engraver::create_items (Request *rq)
+{
+ if (text_p_)
return;
- staff_side_p_ = new G_staff_side_item;
+ SCM s = get_property ("RehearsalMark");
+ text_p_ = new Item (s);
- text_p_ = new G_text_item;
- text_p_->text_str_ = mark_req_l_->str_;
- // text_p_->align_dir_ = CENTER;
+ Side_position_interface::set_axis (text_p_, Y_AXIS);
- text_p_->style_str_ = text_p_->text_str_.index_any_i ("0123456789") >= 0
- ? "mark" : "Large";
-
- Scalar prop = get_property ("markdir", 0);
- if (prop.isnum_b ())
- {
- staff_side_p_->dir_ = (Direction) (int) prop;
- }
- else
- {
- staff_side_p_->dir_ = UP;
- }
+ announce_grob (text_p_, rq);
+}
- staff_side_p_->set_victim(text_p_);
-
- // Scalar padding = get_property ("markScriptPadding", 0);
- // if (padding.length_i() && padding.isnum_b ())
- // {
- // script_p_->padding_f_ = Real(padding);
- // }
- // Scalar break_priority = get_property ("markBreakPriority", 0);
- // if (break_priority.length_i() && break_priority.isnum_b ())
- // {
- // staff_side_p_->break_priority_i_ = int(break_priority);
- // }
-
- announce_element (Score_element_info (text_p_, mark_req_l_));
- announce_element (Score_element_info (staff_side_p_, mark_req_l_));
+void
+Mark_engraver::start_translation_timestep ()
+{
+ mark_req_l_ = 0;
}
-void
-Mark_engraver::do_pre_move_processing ()
+
+bool
+Mark_engraver::try_music (Music* r_l)
{
- if (staff_side_p_)
+ if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
{
- Staff_symbol* s_l = get_staff_info().staff_sym_l_;
- staff_side_p_->add_support (s_l);
- typeset_element (text_p_);
- typeset_element (staff_side_p_);
- text_p_ = 0;
- staff_side_p_ = 0;
- mark_req_l_ = 0;
+ 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::acknowledge_element (Score_element_info i)
+Mark_engraver::process_music ()
{
- if (staff_side_p_)
+ if (mark_req_l_)
{
- if (dynamic_cast<Stem *> (i.elem_l_) ||
- dynamic_cast<Rhythmic_head *> (i.elem_l_))
+ create_items (mark_req_l_);
+
+ 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
{
- staff_side_p_->add_support (i.elem_l_);
+ 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";
+ for (int i=0; i < t.length_i (); i++)
+ {
+ if (!isdigit (t[i]))
+ {
+ style = "large";
+ break;
+ }
+ }
+ SCM st = ly_symbol2scm (style.ch_C ());
+ text_p_->set_grob_property ("font-style", st);
}
+
}
}
+
projects / lilypond.git / blobdiff