-/*
+/*
system-start-delimiter-engraver.cc -- implement System_start_delimiter_engraver
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
#include "system-start-delimiter.hh"
#include "engraver.hh"
#include "staff-symbol.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
#include "paper-column.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
#include "spanner.hh"
class System_start_delimiter_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS (Translator);
- System_start_delimiter_engraver ();
+ TRANSLATOR_DECLARATIONS (System_start_delimiter_engraver);
protected:
- Spanner * delim_;
- virtual void acknowledge_grob (Grob_info);
- virtual void initialize ();
+ Spanner *delim_;
+ DECLARE_ACKNOWLEDGER (system_start_delimiter);
+ DECLARE_ACKNOWLEDGER (staff_symbol);
+
+ void process_music ();
virtual void finalize ();
};
-ADD_THIS_TRANSLATOR (System_start_delimiter_engraver);
+void
+System_start_delimiter_engraver::acknowledge_staff_symbol (Grob_info inf)
+{
+ /*
+ don't add as Axis_group_interface::add_element (delim_, ),
+ because that would set the parent as well */
+ Pointer_group_interface::add_grob (delim_, ly_symbol2scm ("elements"), inf.grob ());
+}
void
-System_start_delimiter_engraver::acknowledge_grob (Grob_info inf)
+System_start_delimiter_engraver::acknowledge_system_start_delimiter (Grob_info inf)
{
- if (Staff_symbol::has_interface (inf.elem_l_))
- {
- /*
- don't add as Axis_group_interface::add_element (delim_,),
- because that would set the parent as well */
-
- Pointer_group_interface::add_element (delim_, "elements", inf.elem_l_);
- }
- else if (System_start_delimiter::has_interface (inf.elem_l_))
- {
- SCM gl = inf.elem_l_->get_grob_property ("glyph");
- SCM my_gl = delim_->get_grob_property ("glyph");
+ SCM gl = inf.grob ()->get_property ("glyph");
+ SCM my_gl = delim_->get_property ("glyph");
- /*
- UGH UGH
- */
- if (gh_symbol_p (gl) && gl == ly_symbol2scm ("brace")
- && gh_symbol_p (my_gl) && my_gl == ly_symbol2scm ("bracket"))
- inf.elem_l_->translate_axis (-1.0, X_AXIS); // ugh
+ /*
+ UGH UGH
+ */
+ if (scm_is_string (gl) && ly_is_equal (gl, scm_makfrom0str ("brace"))
+ && scm_is_string (my_gl) && ly_is_equal (my_gl, scm_makfrom0str ("bracket")))
+ inf.grob ()->translate_axis (-0.8, X_AXIS); // ugh
+ else if (scm_is_string (gl) && ly_is_equal (gl, scm_makfrom0str ("bracket"))
+ && scm_is_string (my_gl) && ly_is_equal (my_gl, scm_makfrom0str ("bracket")))
+ {
+ inf.grob ()->translate_axis (-0.8, X_AXIS); // ugh
}
-
}
System_start_delimiter_engraver::System_start_delimiter_engraver ()
}
void
-System_start_delimiter_engraver::initialize ()
+System_start_delimiter_engraver::process_music ()
{
- delim_ = new Spanner (get_property ("SystemStartDelimiter"));
-
- delim_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
-
+ if (!delim_)
+ {
+ SCM delim_name = get_property ("systemStartDelimiter");
+ delim_ = make_spanner_from_properties (this, delim_name, SCM_EOL,
+ ly_symbol2string (delim_name).to_str0 ());
- announce_grob (delim_,0);
+ delim_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
+ }
}
-
void
System_start_delimiter_engraver::finalize ()
{
- delim_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
- typeset_grob (delim_);
+ if (delim_)
+ {
+ delim_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
+ }
}
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (System_start_delimiter_engraver, system_start_delimiter);
+ADD_ACKNOWLEDGER (System_start_delimiter_engraver, staff_symbol);
+
+ADD_TRANSLATOR (System_start_delimiter_engraver,
+ /* descr */ "Creates a system start delimiter (ie. SystemStart@{Bar, Brace, Bracket@} spanner",
+ /* creats*/ "SystemStartBar SystemStartBrace SystemStartBracket",
+ /* accepts */ "",
+ /* reads */ "systemStartDelimiter",
+ /* write */ "");