source file of the GNU LilyPond music typesetter
- (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "mark-engraver.hh"
-#include "text-def.hh"
-#include "script.hh"
-#include "paper-def.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"
-
-ADD_THIS_TRANSLATOR (Mark_engraver);
+#include <ctype.h>
-Mark_engraver::Mark_engraver ()
-{
- mark_req_l_ = 0;
- staff_side_p_ = 0;
- text_p_ = 0;
-}
+#include "bar-line.hh"
-bool
-Mark_engraver::do_try_music (Music* r_l)
+#include "engraver-group-engraver.hh"
+#include "engraver.hh"
+#include "item.hh"
+#include "warn.hh"
+#include "text-item.hh"
+
+/**
+ put stuff over or next to bars. Examples: bar numbers, marginal notes,
+ rehearsal marks.
+ */
+class Mark_engraver : public Engraver
{
- if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
- {
- mark_req_l_ = mr;
- return true;
- }
- return false;
-}
+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 *ev);
+ virtual void process_music ();
+
+private:
+ Music * mark_ev_;
+};
-void
-Mark_engraver::do_process_requests ()
-{
- if (!mark_req_l_ || staff_side_p_)
- return;
- staff_side_p_ = new G_staff_side_item;
- text_p_ = new G_text_item;
- text_p_->text_str_ = mark_req_l_->str_;
- // text_p_->align_dir_ = CENTER;
- text_p_->style_str_ = text_p_->text_str_.index_any_i ("0123456789") >= 0
- ? "mark" : "Large";
+Mark_engraver::Mark_engraver ()
+{
+ text_ =0;
+ mark_ev_ = 0;
+}
- Scalar prop = get_property ("markdir", 0);
- if (prop.isnum_b ())
+void
+Mark_engraver::acknowledge_grob (Grob_info inf)
+{
+ Grob * s = inf.grob_;
+ if (text_ && Bar_line::has_interface (s))
{
- staff_side_p_->dir_ = (Direction) (int) prop;
+ /*
+ TODO: make this configurable. RehearsalMark cannot be
+ break-aligned, since the width of the object should not be taken
+ into alignment considerations.
+ */
+ text_->set_parent (s, X_AXIS);
}
- else
+}
+
+void
+Mark_engraver::stop_translation_timestep ()
+{
+ if (text_)
{
- staff_side_p_->dir_ = UP;
+ text_->set_grob_property ("side-support-elements" , get_property ("stavesFound"));
+ typeset_grob (text_);
+ text_ =0;
}
+ mark_ev_ = 0;
+}
- 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::create_items (Music *ev)
+{
+ if (text_)
+ return;
+
+ text_ = make_item ("RehearsalMark");
+ announce_grob(text_, ev->self_scm());
}
-void
-Mark_engraver::do_pre_move_processing ()
+
+bool
+Mark_engraver::try_music (Music* r)
{
- if (staff_side_p_)
- {
- 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;
- }
+ mark_ev_ = r;
+ return true;
}
+
+/*
+
+ TODO: make the increment function in Scheme.
+
+
+ TODO: junk the number type for rehearsalMark
+*/
void
-Mark_engraver::acknowledge_element (Score_element_info i)
+Mark_engraver::process_music ()
{
- if (staff_side_p_)
+ if (mark_ev_)
{
- if (dynamic_cast<Stem *> (i.elem_l_) ||
- dynamic_cast<Rhythmic_head *> (i.elem_l_))
+ create_items (mark_ev_);
+
+ /*
+ automatic marks.
+ */
+
+
+ SCM m = mark_ev_->get_mus_property ("label");
+ SCM proc = get_property ("markFormatter");
+ if (!Text_item::markup_p (m) &&
+ gh_procedure_p (proc))
{
- staff_side_p_->add_support (i.elem_l_);
+ if (!gh_number_p (m))
+ m = get_property ("rehearsalMark");
+
+ if (scm_integer_p (m) == SCM_BOOL_T
+ && scm_exact_p (m) == SCM_BOOL_T)
+ {
+ int mark_count = gh_scm2int (m);
+ mark_count ++;
+ daddy_trans_->set_property ("rehearsalMark",
+ gh_int2scm (mark_count));
+ }
+
+ if (gh_number_p (m))
+ m = scm_call_2 (proc, m, daddy_trans_->self_scm ());
+ else
+ warning ("rehearsalMark does not have integer value.");
}
+
+ if (Text_item::markup_p (m))
+ text_->set_grob_property ("text", m);
+ else
+ warning ("Mark label should be markup object.");
}
}
+
+ENTER_DESCRIPTION(Mark_engraver,
+/* descr */ "",
+/* creats*/ "RehearsalMark",
+/* accepts */ "mark-event",
+/* acks */ "bar-line-interface",
+/* reads */ "rehearsalMark markFormatter stavesFound",
+/* write */ "");
projects / lilypond.git / blobdiff