/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2000--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>, Erik Sandberg <mandolaerik@gmail.com>
+ Copyright (C) 2000--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>, Erik Sandberg <mandolaerik@gmail.com>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-
-#include "score-engraver.hh"
-
-#include "bar-line.hh"
+#include "engraver.hh"
#include "global-context.hh"
#include "international.hh"
#include "item.hh"
-#include "misc.hh"
-#include "repeated-music.hh"
#include "side-position-interface.hh"
#include "spanner.hh"
#include "stream-event.hh"
#include "translator.icc"
-/*
-* TODO: Create separate Double_percent_repeat_engraver?
-* Or, at least move double percent handling to Slash_repeat_engraver
-*/
-
class Percent_repeat_engraver : public Engraver
{
void typeset_perc ();
- bool check_count_visibility (SCM count);
+
public:
TRANSLATOR_DECLARATIONS (Percent_repeat_engraver);
-
+
protected:
Stream_event *percent_event_;
- /// moment (global time) where percent started.
- Moment stop_mom_;
+ // moment (global time) where percent started
Moment start_mom_;
-
- enum Repeat_sign_type
- {
- UNKNOWN,
- MEASURE,
- DOUBLE_MEASURE,
- };
- Repeat_sign_type repeat_sign_type_;
+ // moment (global time) where percent should end
+ Moment stop_mom_;
Spanner *percent_;
Spanner *percent_counter_;
-
Grob *first_command_column_;
Moment command_moment_;
-
-protected:
+
virtual void finalize ();
- DECLARE_TRANSLATOR_LISTENER (percent);
+ void listen_percent (Stream_event *);
- void stop_translation_timestep ();
void start_translation_timestep ();
+ void stop_translation_timestep ();
void process_music ();
};
-Percent_repeat_engraver::Percent_repeat_engraver ()
+Percent_repeat_engraver::Percent_repeat_engraver (Context *c)
+ : Engraver (c)
{
percent_ = 0;
percent_counter_ = 0;
{
if (now_mom ().main_part_ != command_moment_.main_part_)
{
- first_command_column_ = unsmob_grob (get_property ("currentCommandColumn"));
+ first_command_column_
+ = unsmob<Grob> (get_property ("currentCommandColumn"));
command_moment_ = now_mom ();
}
if (stop_mom_.main_part_ == now_mom ().main_part_)
{
if (percent_)
- typeset_perc ();
+ typeset_perc ();
percent_event_ = 0;
- repeat_sign_type_ = UNKNOWN;
}
}
-IMPLEMENT_TRANSLATOR_LISTENER (Percent_repeat_engraver, percent);
void
Percent_repeat_engraver::listen_percent (Stream_event *ev)
{
if (!percent_event_)
{
Moment body_length = get_event_length (ev);
- Moment meas_len (robust_scm2moment (get_property ("measureLength"),
- Moment (1)));
- if (meas_len == body_length)
- {
- repeat_sign_type_ = MEASURE;
- start_mom_ = now_mom ();
- stop_mom_ = now_mom () + body_length;
- get_global_context ()->add_moment_to_process (stop_mom_);
- }
- else if (Moment (2) * meas_len == body_length)
- {
- repeat_sign_type_ = DOUBLE_MEASURE;
- start_mom_ = now_mom () + meas_len;
- stop_mom_ = now_mom () + body_length; /* never used */
- get_global_context ()->add_moment_to_process (start_mom_);
- }
- else
- {
- /*
- don't warn about percent repeats: slash repeats are not
- exactly 1 or 2 measures long.
- */
- return;
- }
+ start_mom_ = now_mom ();
+ stop_mom_ = now_mom () + body_length;
+ get_global_context ()->add_moment_to_process (stop_mom_);
percent_event_ = ev;
}
else
- /* print a warning: no assignment happens because
- percent_event_ != 0 */
- ASSIGN_EVENT_ONCE (percent_event_, ev);
+ {
+ /*
+ print a warning: no assignment happens because
+ percent_event_ != 0
+ */
+ ASSIGN_EVENT_ONCE (percent_event_, ev);
+ }
}
void
Percent_repeat_engraver::process_music ()
{
- if (percent_event_ && now_mom ().main_part_ == start_mom_.main_part_)
+ if (percent_event_
+ && now_mom ().main_part_ == start_mom_.main_part_)
{
- if (repeat_sign_type_ == MEASURE)
- {
- if (percent_)
- typeset_perc ();
-
- percent_ = make_spanner ("PercentRepeat", percent_event_->self_scm ());
-
- Grob *col = first_command_column_;
- percent_->set_bound (LEFT, col);
-
- SCM count = percent_event_->get_property ("repeat-count");
- if (count != SCM_EOL && to_boolean (get_property ("countPercentRepeats"))
- && check_count_visibility (count))
- {
- percent_counter_
- = make_spanner ("PercentRepeatCounter", percent_event_->self_scm ());
-
- SCM text = scm_number_to_string (count, scm_from_int (10));
- percent_counter_->set_property ("text", text);
- percent_counter_->set_bound (LEFT, col);
- Side_position_interface::add_support (percent_counter_,
- percent_);
- percent_counter_->set_parent (percent_, Y_AXIS);
- }
- else
- percent_counter_ = 0;
- }
- else if (repeat_sign_type_ == DOUBLE_MEASURE)
- {
- Item *double_percent = make_item ("DoublePercentRepeat", percent_event_->self_scm ());
-
- SCM count = percent_event_->get_property ("repeat-count");
- if (count != SCM_EOL && to_boolean (get_property ("countPercentRepeats"))
- && check_count_visibility (count))
- {
- Item *double_percent_counter = make_item ("DoublePercentRepeatCounter",
- percent_event_->self_scm ());
-
- SCM text = scm_number_to_string (count,
- scm_from_int (10));
- double_percent_counter->set_property ("text", text);
-
- Side_position_interface::add_support (double_percent_counter,
- double_percent);
- double_percent_counter->set_parent (double_percent, Y_AXIS);
- double_percent_counter->set_parent (double_percent, X_AXIS);
- }
-
- /* forbid breaks on a % line. Should forbid all breaks, really. */
- context ()->get_score_context ()->set_property ("forbidBreak", SCM_BOOL_T);
-
- /* No more processing needed. */
- repeat_sign_type_ = UNKNOWN;
- }
+ if (percent_)
+ typeset_perc ();
+
+ percent_ = make_spanner ("PercentRepeat", percent_event_->self_scm ());
+
+ Grob *col = first_command_column_;
+ percent_->set_bound (LEFT, col);
+
+ SCM count = percent_event_->get_property ("repeat-count");
+ if (!scm_is_null (count) && to_boolean (get_property ("countPercentRepeats"))
+ && check_repeat_count_visibility (context (), count))
+ {
+ percent_counter_ = make_spanner ("PercentRepeatCounter",
+ percent_event_->self_scm ());
+
+ SCM text = scm_number_to_string (count, scm_from_int (10));
+ percent_counter_->set_property ("text", text);
+ percent_counter_->set_bound (LEFT, col);
+ Side_position_interface::add_support (percent_counter_, percent_);
+ percent_counter_->set_parent (percent_, Y_AXIS);
+ percent_counter_->set_parent (percent_, X_AXIS);
+ }
+ else
+ percent_counter_ = 0;
}
}
void
Percent_repeat_engraver::typeset_perc ()
{
- if (percent_)
- {
- Grob *col = first_command_column_;
+ Grob *col = first_command_column_;
- percent_->set_bound (RIGHT, col);
- percent_ = 0;
+ percent_->set_bound (RIGHT, col);
+ percent_ = 0;
- if (percent_counter_)
- percent_counter_->set_bound (RIGHT, col);
- percent_counter_ = 0;
- }
+ if (percent_counter_)
+ percent_counter_->set_bound (RIGHT, col);
+ percent_counter_ = 0;
}
-bool
-Percent_repeat_engraver::check_count_visibility (SCM count)
+void
+Percent_repeat_engraver::stop_translation_timestep ()
{
- SCM proc = get_property ("repeatCountVisibility");
- return (ly_is_procedure (proc) && to_boolean (scm_call_2 (proc,
- count,
- context ()->self_scm ())));
}
-
void
-Percent_repeat_engraver::stop_translation_timestep ()
+Percent_repeat_engraver::boot ()
{
+ ADD_LISTENER (Percent_repeat_engraver, percent);
}
ADD_TRANSLATOR (Percent_repeat_engraver,
- /* doc */
- "Make whole bar and double bar repeats.",
-
- /* create */
- "DoublePercentRepeat "
- "DoublePercentRepeatCounter "
- "PercentRepeat "
- "PercentRepeatCounter ",
-
- /* read */
- "countPercentRepeats "
- "currentCommandColumn "
- "measureLength "
- "repeatCountVisibility ",
-
- /* write */
- "forbidBreak "
- );
+ /* doc */
+ "Make whole measure repeats.",
+
+ /* create */
+ "PercentRepeat "
+ "PercentRepeatCounter ",
+
+ /* read */
+ "countPercentRepeats "
+ "currentCommandColumn "
+ "repeatCountVisibility ",
+
+ /* write */
+ ""
+ );