source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "paper-column.hh"
system-start-delims. If we find these, and the top staff is in the
staff-group, add padding to the bar number.
*/
-
class Bar_number_engraver : public Engraver
{
protected:
protected:
void stop_translation_timestep ();
DECLARE_ACKNOWLEDGER (break_aligned);
+ DECLARE_ACKNOWLEDGER (break_alignment);
void process_music ();
void create_items ();
TRANSLATOR_DECLARATIONS (Bar_number_engraver);
void
Bar_number_engraver::process_music ()
{
- // todo include (&&!time->cadenza_b_)
-
SCM wb = get_property ("whichBar");
if (scm_is_string (wb))
text_ = 0;
}
+
+/*
+ see rehearsal mark comments.
+ */
void
Bar_number_engraver::acknowledge_break_aligned (Grob_info inf)
{
Grob *s = inf.grob ();
if (text_
+ && !text_->get_parent (X_AXIS)
&& dynamic_cast<Item *> (s)
- && s->get_property ("break-align-symbol") == ly_symbol2scm ("left-edge"))
+ && (s->get_property_data ("break-align-symbol")
+ == text_->get_property_data ("break-align-symbol")))
{
/*
By default this would land on the Paper_column -- so why
}
}
+
void
-Bar_number_engraver::stop_translation_timestep ()
+Bar_number_engraver::acknowledge_break_alignment (Grob_info inf)
{
- if (text_)
+ Grob *s = inf.grob ();
+ if (text_
+ && dynamic_cast<Item *> (s))
{
- text_->set_object ("side-support-elements",
- grob_list_to_grob_array (get_property ("stavesFound")));
- text_ = 0;
+ text_->set_parent (s, X_AXIS);
}
}
+void
+Bar_number_engraver::stop_translation_timestep ()
+{
+ text_ = 0;
+}
+
void
Bar_number_engraver::create_items ()
{
text_ = make_item ("BarNumber", SCM_EOL);
}
+
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_aligned);
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_alignment);
+
ADD_TRANSLATOR (Bar_number_engraver,
/* doc */ "A bar number is created whenever measurePosition "
- "is zero and there is a bar line. It is \n"
+ "is zero and when there is a bar line (ie. when @code{whichBar} is set. "
+ "It is \n"
"put on top of all staves, and appears only at left side of the staff. "
"The staves are taken from @code{stavesFound}, which is maintained by "
"@code{@ref{Staff_collecting_engraver}}. ",
/* create */ "BarNumber",
- /* accept */ "",
/* read */
"currentBarNumber "
"whichBar "
"stavesFound "
- "barNumberVisibility",
+ "barNumberVisibility ",
/* write */ "");